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qemu / qemu / fd62bff901b6c25df4971066b74049548caadc83 / . / target / mips / tcg / translate.c
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/*
* MIPS emulation for QEMU - main translation routines
*
* Copyright (c) 2004-2005 Jocelyn Mayer
* Copyright (c) 2006 Marius Groeger (FPU operations)
* Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
* Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
* Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support)
* Copyright (c) 2020 Philippe Mathieu-Daudé
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "translate.h"
#include "internal.h"
#include "exec/helper-proto.h"
#include "exec/translation-block.h"
#include "semihosting/semihost.h"
#include "trace.h"
#include "disas/disas.h"
#include "fpu_helper.h"
#define HELPER_H "helper.h"
#include "exec/helper-info.c.inc"
#undef HELPER_H
/*
* Many sysemu-only helpers are not reachable for user-only.
* Define stub generators here, so that we need not either sprinkle
* ifdefs through the translator, nor provide the helper function.
*/
#define STUB_HELPER(NAME, ...) \
static inline void gen_helper_##NAME(__VA_ARGS__) \
{ g_assert_not_reached(); }
#ifdef CONFIG_USER_ONLY
STUB_HELPER(cache, TCGv_env env, TCGv val, TCGv_i32 reg)
#endif
enum {
/* indirect opcode tables */
OPC_SPECIAL = (0x00 << 26),
OPC_REGIMM = (0x01 << 26),
OPC_CP0 = (0x10 << 26),
OPC_CP2 = (0x12 << 26),
OPC_CP3 = (0x13 << 26),
OPC_SPECIAL2 = (0x1C << 26),
OPC_SPECIAL3 = (0x1F << 26),
/* arithmetic with immediate */
OPC_ADDI = (0x08 << 26),
OPC_ADDIU = (0x09 << 26),
OPC_SLTI = (0x0A << 26),
OPC_SLTIU = (0x0B << 26),
/* logic with immediate */
OPC_ANDI = (0x0C << 26),
OPC_ORI = (0x0D << 26),
OPC_XORI = (0x0E << 26),
OPC_LUI = (0x0F << 26),
/* arithmetic with immediate */
OPC_DADDI = (0x18 << 26),
OPC_DADDIU = (0x19 << 26),
/* Jump and branches */
OPC_J = (0x02 << 26),
OPC_JAL = (0x03 << 26),
OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
OPC_BEQL = (0x14 << 26),
OPC_BNE = (0x05 << 26),
OPC_BNEL = (0x15 << 26),
OPC_BLEZ = (0x06 << 26),
OPC_BLEZL = (0x16 << 26),
OPC_BGTZ = (0x07 << 26),
OPC_BGTZL = (0x17 << 26),
OPC_JALX = (0x1D << 26),
OPC_DAUI = (0x1D << 26),
/* Load and stores */
OPC_LDL = (0x1A << 26),
OPC_LDR = (0x1B << 26),
OPC_LB = (0x20 << 26),
OPC_LH = (0x21 << 26),
OPC_LWL = (0x22 << 26),
OPC_LW = (0x23 << 26),
OPC_LWPC = OPC_LW | 0x5,
OPC_LBU = (0x24 << 26),
OPC_LHU = (0x25 << 26),
OPC_LWR = (0x26 << 26),
OPC_LWU = (0x27 << 26),
OPC_SB = (0x28 << 26),
OPC_SH = (0x29 << 26),
OPC_SWL = (0x2A << 26),
OPC_SW = (0x2B << 26),
OPC_SDL = (0x2C << 26),
OPC_SDR = (0x2D << 26),
OPC_SWR = (0x2E << 26),
OPC_LL = (0x30 << 26),
OPC_LLD = (0x34 << 26),
OPC_LD = (0x37 << 26),
OPC_LDPC = OPC_LD | 0x5,
OPC_SC = (0x38 << 26),
OPC_SCD = (0x3C << 26),
OPC_SD = (0x3F << 26),
/* Floating point load/store */
OPC_LWC1 = (0x31 << 26),
OPC_LWC2 = (0x32 << 26),
OPC_LDC1 = (0x35 << 26),
OPC_LDC2 = (0x36 << 26),
OPC_SWC1 = (0x39 << 26),
OPC_SWC2 = (0x3A << 26),
OPC_SDC1 = (0x3D << 26),
OPC_SDC2 = (0x3E << 26),
/* Compact Branches */
OPC_BLEZALC = (0x06 << 26),
OPC_BGEZALC = (0x06 << 26),
OPC_BGEUC = (0x06 << 26),
OPC_BGTZALC = (0x07 << 26),
OPC_BLTZALC = (0x07 << 26),
OPC_BLTUC = (0x07 << 26),
OPC_BOVC = (0x08 << 26),
OPC_BEQZALC = (0x08 << 26),
OPC_BEQC = (0x08 << 26),
OPC_BLEZC = (0x16 << 26),
OPC_BGEZC = (0x16 << 26),
OPC_BGEC = (0x16 << 26),
OPC_BGTZC = (0x17 << 26),
OPC_BLTZC = (0x17 << 26),
OPC_BLTC = (0x17 << 26),
OPC_BNVC = (0x18 << 26),
OPC_BNEZALC = (0x18 << 26),
OPC_BNEC = (0x18 << 26),
OPC_BC = (0x32 << 26),
OPC_BEQZC = (0x36 << 26),
OPC_JIC = (0x36 << 26),
OPC_BALC = (0x3A << 26),
OPC_BNEZC = (0x3E << 26),
OPC_JIALC = (0x3E << 26),
/* MDMX ASE specific */
OPC_MDMX = (0x1E << 26),
/* Cache and prefetch */
OPC_CACHE = (0x2F << 26),
OPC_PREF = (0x33 << 26),
/* PC-relative address computation / loads */
OPC_PCREL = (0x3B << 26),
};
/* PC-relative address computation / loads */
#define MASK_OPC_PCREL_TOP2BITS(op) (MASK_OP_MAJOR(op) | (op & (3 << 19)))
#define MASK_OPC_PCREL_TOP5BITS(op) (MASK_OP_MAJOR(op) | (op & (0x1f << 16)))
enum {
/* Instructions determined by bits 19 and 20 */
OPC_ADDIUPC = OPC_PCREL | (0 << 19),
R6_OPC_LWPC = OPC_PCREL | (1 << 19),
OPC_LWUPC = OPC_PCREL | (2 << 19),
/* Instructions determined by bits 16 ... 20 */
OPC_AUIPC = OPC_PCREL | (0x1e << 16),
OPC_ALUIPC = OPC_PCREL | (0x1f << 16),
/* Other */
R6_OPC_LDPC = OPC_PCREL | (6 << 18),
};
/* MIPS special opcodes */
#define MASK_SPECIAL(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
enum {
/* Shifts */
OPC_SLL = 0x00 | OPC_SPECIAL,
/* NOP is SLL r0, r0, 0 */
/* SSNOP is SLL r0, r0, 1 */
/* EHB is SLL r0, r0, 3 */
OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
OPC_ROTR = OPC_SRL | (1 << 21),
OPC_SRA = 0x03 | OPC_SPECIAL,
OPC_SLLV = 0x04 | OPC_SPECIAL,
OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
OPC_ROTRV = OPC_SRLV | (1 << 6),
OPC_SRAV = 0x07 | OPC_SPECIAL,
OPC_DSLLV = 0x14 | OPC_SPECIAL,
OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
OPC_DROTRV = OPC_DSRLV | (1 << 6),
OPC_DSRAV = 0x17 | OPC_SPECIAL,
OPC_DSLL = 0x38 | OPC_SPECIAL,
OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
OPC_DROTR = OPC_DSRL | (1 << 21),
OPC_DSRA = 0x3B | OPC_SPECIAL,
OPC_DSLL32 = 0x3C | OPC_SPECIAL,
OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
OPC_DROTR32 = OPC_DSRL32 | (1 << 21),
OPC_DSRA32 = 0x3F | OPC_SPECIAL,
/* Multiplication / division */
OPC_MULT = 0x18 | OPC_SPECIAL,
OPC_MULTU = 0x19 | OPC_SPECIAL,
OPC_DIV = 0x1A | OPC_SPECIAL,
OPC_DIVU = 0x1B | OPC_SPECIAL,
OPC_DMULT = 0x1C | OPC_SPECIAL,
OPC_DMULTU = 0x1D | OPC_SPECIAL,
OPC_DDIV = 0x1E | OPC_SPECIAL,
OPC_DDIVU = 0x1F | OPC_SPECIAL,
/* 2 registers arithmetic / logic */
OPC_ADD = 0x20 | OPC_SPECIAL,
OPC_ADDU = 0x21 | OPC_SPECIAL,
OPC_SUB = 0x22 | OPC_SPECIAL,
OPC_SUBU = 0x23 | OPC_SPECIAL,
OPC_AND = 0x24 | OPC_SPECIAL,
OPC_OR = 0x25 | OPC_SPECIAL,
OPC_XOR = 0x26 | OPC_SPECIAL,
OPC_NOR = 0x27 | OPC_SPECIAL,
OPC_SLT = 0x2A | OPC_SPECIAL,
OPC_SLTU = 0x2B | OPC_SPECIAL,
OPC_DADD = 0x2C | OPC_SPECIAL,
OPC_DADDU = 0x2D | OPC_SPECIAL,
OPC_DSUB = 0x2E | OPC_SPECIAL,
OPC_DSUBU = 0x2F | OPC_SPECIAL,
/* Jumps */
OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
/* Traps */
OPC_TGE = 0x30 | OPC_SPECIAL,
OPC_TGEU = 0x31 | OPC_SPECIAL,
OPC_TLT = 0x32 | OPC_SPECIAL,
OPC_TLTU = 0x33 | OPC_SPECIAL,
OPC_TEQ = 0x34 | OPC_SPECIAL,
OPC_TNE = 0x36 | OPC_SPECIAL,
/* HI / LO registers load & stores */
OPC_MFHI = 0x10 | OPC_SPECIAL,
OPC_MTHI = 0x11 | OPC_SPECIAL,
OPC_MFLO = 0x12 | OPC_SPECIAL,
OPC_MTLO = 0x13 | OPC_SPECIAL,
/* Conditional moves */
OPC_MOVZ = 0x0A | OPC_SPECIAL,
OPC_MOVN = 0x0B | OPC_SPECIAL,
OPC_SELEQZ = 0x35 | OPC_SPECIAL,
OPC_SELNEZ = 0x37 | OPC_SPECIAL,
OPC_MOVCI = 0x01 | OPC_SPECIAL,
/* Special */
OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */
OPC_SYSCALL = 0x0C | OPC_SPECIAL,
OPC_BREAK = 0x0D | OPC_SPECIAL,
OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */
OPC_SYNC = 0x0F | OPC_SPECIAL,
OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
};
/*
* R6 Multiply and Divide instructions have the same opcode
* and function field as legacy OPC_MULT[U]/OPC_DIV[U]
*/
#define MASK_R6_MULDIV(op) (MASK_SPECIAL(op) | (op & (0x7ff)))
enum {
R6_OPC_MUL = OPC_MULT | (2 << 6),
R6_OPC_MUH = OPC_MULT | (3 << 6),
R6_OPC_MULU = OPC_MULTU | (2 << 6),
R6_OPC_MUHU = OPC_MULTU | (3 << 6),
R6_OPC_DIV = OPC_DIV | (2 << 6),
R6_OPC_MOD = OPC_DIV | (3 << 6),
R6_OPC_DIVU = OPC_DIVU | (2 << 6),
R6_OPC_MODU = OPC_DIVU | (3 << 6),
R6_OPC_DMUL = OPC_DMULT | (2 << 6),
R6_OPC_DMUH = OPC_DMULT | (3 << 6),
R6_OPC_DMULU = OPC_DMULTU | (2 << 6),
R6_OPC_DMUHU = OPC_DMULTU | (3 << 6),
R6_OPC_DDIV = OPC_DDIV | (2 << 6),
R6_OPC_DMOD = OPC_DDIV | (3 << 6),
R6_OPC_DDIVU = OPC_DDIVU | (2 << 6),
R6_OPC_DMODU = OPC_DDIVU | (3 << 6),
R6_OPC_CLZ = 0x10 | OPC_SPECIAL,
R6_OPC_CLO = 0x11 | OPC_SPECIAL,
R6_OPC_DCLZ = 0x12 | OPC_SPECIAL,
R6_OPC_DCLO = 0x13 | OPC_SPECIAL,
R6_OPC_SDBBP = 0x0e | OPC_SPECIAL,
};
/* REGIMM (rt field) opcodes */
#define MASK_REGIMM(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 16)))
enum {
OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
OPC_SIGRIE = (0x17 << 16) | OPC_REGIMM,
OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
OPC_DAHI = (0x06 << 16) | OPC_REGIMM,
OPC_DATI = (0x1e << 16) | OPC_REGIMM,
};
/* Special2 opcodes */
#define MASK_SPECIAL2(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
enum {
/* Multiply & xxx operations */
OPC_MADD = 0x00 | OPC_SPECIAL2,
OPC_MADDU = 0x01 | OPC_SPECIAL2,
OPC_MUL = 0x02 | OPC_SPECIAL2,
OPC_MSUB = 0x04 | OPC_SPECIAL2,
OPC_MSUBU = 0x05 | OPC_SPECIAL2,
/* Loongson 2F */
OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2,
OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2,
OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2,
OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2,
OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2,
OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2,
OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2,
OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2,
OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2,
OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2,
OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2,
OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2,
/* Misc */
OPC_CLZ = 0x20 | OPC_SPECIAL2,
OPC_CLO = 0x21 | OPC_SPECIAL2,
OPC_DCLZ = 0x24 | OPC_SPECIAL2,
OPC_DCLO = 0x25 | OPC_SPECIAL2,
/* Special */
OPC_SDBBP = 0x3F | OPC_SPECIAL2,
};
/* Special3 opcodes */
#define MASK_SPECIAL3(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
enum {
OPC_EXT = 0x00 | OPC_SPECIAL3,
OPC_DEXTM = 0x01 | OPC_SPECIAL3,
OPC_DEXTU = 0x02 | OPC_SPECIAL3,
OPC_DEXT = 0x03 | OPC_SPECIAL3,
OPC_INS = 0x04 | OPC_SPECIAL3,
OPC_DINSM = 0x05 | OPC_SPECIAL3,
OPC_DINSU = 0x06 | OPC_SPECIAL3,
OPC_DINS = 0x07 | OPC_SPECIAL3,
OPC_FORK = 0x08 | OPC_SPECIAL3,
OPC_YIELD = 0x09 | OPC_SPECIAL3,
OPC_BSHFL = 0x20 | OPC_SPECIAL3,
OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
OPC_RDHWR = 0x3B | OPC_SPECIAL3,
OPC_GINV = 0x3D | OPC_SPECIAL3,
/* Loongson 2E */
OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3,
OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3,
OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3,
OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3,
OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3,
OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3,
OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3,
OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3,
OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3,
OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3,
OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3,
OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3,
/* MIPS DSP Load */
OPC_LX_DSP = 0x0A | OPC_SPECIAL3,
/* MIPS DSP Arithmetic */
OPC_ADDU_QB_DSP = 0x10 | OPC_SPECIAL3,
OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3,
OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3,
OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3,
/* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */
/* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */
OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3,
OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3,
/* MIPS DSP GPR-Based Shift Sub-class */
OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3,
OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3,
/* MIPS DSP Multiply Sub-class insns */
/* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */
/* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */
OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3,
OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3,
/* DSP Bit/Manipulation Sub-class */
OPC_INSV_DSP = 0x0C | OPC_SPECIAL3,
OPC_DINSV_DSP = 0x0D | OPC_SPECIAL3,
/* MIPS DSP Append Sub-class */
OPC_APPEND_DSP = 0x31 | OPC_SPECIAL3,
OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3,
/* MIPS DSP Accumulator and DSPControl Access Sub-class */
OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3,
OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3,
/* EVA */
OPC_LWLE = 0x19 | OPC_SPECIAL3,
OPC_LWRE = 0x1A | OPC_SPECIAL3,
OPC_CACHEE = 0x1B | OPC_SPECIAL3,
OPC_SBE = 0x1C | OPC_SPECIAL3,
OPC_SHE = 0x1D | OPC_SPECIAL3,
OPC_SCE = 0x1E | OPC_SPECIAL3,
OPC_SWE = 0x1F | OPC_SPECIAL3,
OPC_SWLE = 0x21 | OPC_SPECIAL3,
OPC_SWRE = 0x22 | OPC_SPECIAL3,
OPC_PREFE = 0x23 | OPC_SPECIAL3,
OPC_LBUE = 0x28 | OPC_SPECIAL3,
OPC_LHUE = 0x29 | OPC_SPECIAL3,
OPC_LBE = 0x2C | OPC_SPECIAL3,
OPC_LHE = 0x2D | OPC_SPECIAL3,
OPC_LLE = 0x2E | OPC_SPECIAL3,
OPC_LWE = 0x2F | OPC_SPECIAL3,
/* R6 */
R6_OPC_PREF = 0x35 | OPC_SPECIAL3,
R6_OPC_CACHE = 0x25 | OPC_SPECIAL3,
R6_OPC_LL = 0x36 | OPC_SPECIAL3,
R6_OPC_SC = 0x26 | OPC_SPECIAL3,
R6_OPC_LLD = 0x37 | OPC_SPECIAL3,
R6_OPC_SCD = 0x27 | OPC_SPECIAL3,
};
/* Loongson EXT load/store quad word opcodes */
#define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x8020))
enum {
OPC_GSLQ = 0x0020 | OPC_LWC2,
OPC_GSLQC1 = 0x8020 | OPC_LWC2,
OPC_GSSHFL = OPC_LWC2,
OPC_GSSQ = 0x0020 | OPC_SWC2,
OPC_GSSQC1 = 0x8020 | OPC_SWC2,
OPC_GSSHFS = OPC_SWC2,
};
/* Loongson EXT shifted load/store opcodes */
#define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03f))
enum {
OPC_GSLWLC1 = 0x4 | OPC_GSSHFL,
OPC_GSLWRC1 = 0x5 | OPC_GSSHFL,
OPC_GSLDLC1 = 0x6 | OPC_GSSHFL,
OPC_GSLDRC1 = 0x7 | OPC_GSSHFL,
OPC_GSSWLC1 = 0x4 | OPC_GSSHFS,
OPC_GSSWRC1 = 0x5 | OPC_GSSHFS,
OPC_GSSDLC1 = 0x6 | OPC_GSSHFS,
OPC_GSSDRC1 = 0x7 | OPC_GSSHFS,
};
/* Loongson EXT LDC2/SDC2 opcodes */
#define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7))
enum {
OPC_GSLBX = 0x0 | OPC_LDC2,
OPC_GSLHX = 0x1 | OPC_LDC2,
OPC_GSLWX = 0x2 | OPC_LDC2,
OPC_GSLDX = 0x3 | OPC_LDC2,
OPC_GSLWXC1 = 0x6 | OPC_LDC2,
OPC_GSLDXC1 = 0x7 | OPC_LDC2,
OPC_GSSBX = 0x0 | OPC_SDC2,
OPC_GSSHX = 0x1 | OPC_SDC2,
OPC_GSSWX = 0x2 | OPC_SDC2,
OPC_GSSDX = 0x3 | OPC_SDC2,
OPC_GSSWXC1 = 0x6 | OPC_SDC2,
OPC_GSSDXC1 = 0x7 | OPC_SDC2,
};
/* BSHFL opcodes */
#define MASK_BSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
OPC_SEB = (0x10 << 6) | OPC_BSHFL,
OPC_SEH = (0x18 << 6) | OPC_BSHFL,
OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp (010.00 to 010.11) */
OPC_ALIGN_1 = (0x09 << 6) | OPC_BSHFL,
OPC_ALIGN_2 = (0x0A << 6) | OPC_BSHFL,
OPC_ALIGN_3 = (0x0B << 6) | OPC_BSHFL,
OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */
};
/* DBSHFL opcodes */
#define MASK_DBSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp (01.000 to 01.111) */
OPC_DALIGN_1 = (0x09 << 6) | OPC_DBSHFL,
OPC_DALIGN_2 = (0x0A << 6) | OPC_DBSHFL,
OPC_DALIGN_3 = (0x0B << 6) | OPC_DBSHFL,
OPC_DALIGN_4 = (0x0C << 6) | OPC_DBSHFL,
OPC_DALIGN_5 = (0x0D << 6) | OPC_DBSHFL,
OPC_DALIGN_6 = (0x0E << 6) | OPC_DBSHFL,
OPC_DALIGN_7 = (0x0F << 6) | OPC_DBSHFL,
OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */
};
/* MIPS DSP REGIMM opcodes */
enum {
OPC_BPOSGE32 = (0x1C << 16) | OPC_REGIMM,
OPC_BPOSGE64 = (0x1D << 16) | OPC_REGIMM,
};
#define MASK_LX(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
/* MIPS DSP Load */
enum {
OPC_LBUX = (0x06 << 6) | OPC_LX_DSP,
OPC_LHX = (0x04 << 6) | OPC_LX_DSP,
OPC_LWX = (0x00 << 6) | OPC_LX_DSP,
OPC_LDX = (0x08 << 6) | OPC_LX_DSP,
};
#define MASK_ADDU_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Arithmetic Sub-class */
OPC_ADDQ_PH = (0x0A << 6) | OPC_ADDU_QB_DSP,
OPC_ADDQ_S_PH = (0x0E << 6) | OPC_ADDU_QB_DSP,
OPC_ADDQ_S_W = (0x16 << 6) | OPC_ADDU_QB_DSP,
OPC_ADDU_QB = (0x00 << 6) | OPC_ADDU_QB_DSP,
OPC_ADDU_S_QB = (0x04 << 6) | OPC_ADDU_QB_DSP,
OPC_ADDU_PH = (0x08 << 6) | OPC_ADDU_QB_DSP,
OPC_ADDU_S_PH = (0x0C << 6) | OPC_ADDU_QB_DSP,
OPC_SUBQ_PH = (0x0B << 6) | OPC_ADDU_QB_DSP,
OPC_SUBQ_S_PH = (0x0F << 6) | OPC_ADDU_QB_DSP,
OPC_SUBQ_S_W = (0x17 << 6) | OPC_ADDU_QB_DSP,
OPC_SUBU_QB = (0x01 << 6) | OPC_ADDU_QB_DSP,
OPC_SUBU_S_QB = (0x05 << 6) | OPC_ADDU_QB_DSP,
OPC_SUBU_PH = (0x09 << 6) | OPC_ADDU_QB_DSP,
OPC_SUBU_S_PH = (0x0D << 6) | OPC_ADDU_QB_DSP,
OPC_ADDSC = (0x10 << 6) | OPC_ADDU_QB_DSP,
OPC_ADDWC = (0x11 << 6) | OPC_ADDU_QB_DSP,
OPC_MODSUB = (0x12 << 6) | OPC_ADDU_QB_DSP,
OPC_RADDU_W_QB = (0x14 << 6) | OPC_ADDU_QB_DSP,
/* MIPS DSP Multiply Sub-class insns */
OPC_MULEU_S_PH_QBL = (0x06 << 6) | OPC_ADDU_QB_DSP,
OPC_MULEU_S_PH_QBR = (0x07 << 6) | OPC_ADDU_QB_DSP,
OPC_MULQ_RS_PH = (0x1F << 6) | OPC_ADDU_QB_DSP,
OPC_MULEQ_S_W_PHL = (0x1C << 6) | OPC_ADDU_QB_DSP,
OPC_MULEQ_S_W_PHR = (0x1D << 6) | OPC_ADDU_QB_DSP,
OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP,
};
#define OPC_ADDUH_QB_DSP OPC_MULT_G_2E
#define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Arithmetic Sub-class */
OPC_ADDUH_QB = (0x00 << 6) | OPC_ADDUH_QB_DSP,
OPC_ADDUH_R_QB = (0x02 << 6) | OPC_ADDUH_QB_DSP,
OPC_ADDQH_PH = (0x08 << 6) | OPC_ADDUH_QB_DSP,
OPC_ADDQH_R_PH = (0x0A << 6) | OPC_ADDUH_QB_DSP,
OPC_ADDQH_W = (0x10 << 6) | OPC_ADDUH_QB_DSP,
OPC_ADDQH_R_W = (0x12 << 6) | OPC_ADDUH_QB_DSP,
OPC_SUBUH_QB = (0x01 << 6) | OPC_ADDUH_QB_DSP,
OPC_SUBUH_R_QB = (0x03 << 6) | OPC_ADDUH_QB_DSP,
OPC_SUBQH_PH = (0x09 << 6) | OPC_ADDUH_QB_DSP,
OPC_SUBQH_R_PH = (0x0B << 6) | OPC_ADDUH_QB_DSP,
OPC_SUBQH_W = (0x11 << 6) | OPC_ADDUH_QB_DSP,
OPC_SUBQH_R_W = (0x13 << 6) | OPC_ADDUH_QB_DSP,
/* MIPS DSP Multiply Sub-class insns */
OPC_MUL_PH = (0x0C << 6) | OPC_ADDUH_QB_DSP,
OPC_MUL_S_PH = (0x0E << 6) | OPC_ADDUH_QB_DSP,
OPC_MULQ_S_W = (0x16 << 6) | OPC_ADDUH_QB_DSP,
OPC_MULQ_RS_W = (0x17 << 6) | OPC_ADDUH_QB_DSP,
};
#define MASK_ABSQ_S_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Arithmetic Sub-class */
OPC_ABSQ_S_QB = (0x01 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_ABSQ_S_PH = (0x09 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_ABSQ_S_W = (0x11 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEQ_W_PHL = (0x0C << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEQ_W_PHR = (0x0D << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEQU_PH_QBL = (0x04 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEQU_PH_QBR = (0x05 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEQU_PH_QBLA = (0x06 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEQU_PH_QBRA = (0x07 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEU_PH_QBL = (0x1C << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEU_PH_QBR = (0x1D << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEU_PH_QBLA = (0x1E << 6) | OPC_ABSQ_S_PH_DSP,
OPC_PRECEU_PH_QBRA = (0x1F << 6) | OPC_ABSQ_S_PH_DSP,
/* DSP Bit/Manipulation Sub-class */
OPC_BITREV = (0x1B << 6) | OPC_ABSQ_S_PH_DSP,
OPC_REPL_QB = (0x02 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_REPLV_QB = (0x03 << 6) | OPC_ABSQ_S_PH_DSP,
OPC_REPL_PH = (0x0A << 6) | OPC_ABSQ_S_PH_DSP,
OPC_REPLV_PH = (0x0B << 6) | OPC_ABSQ_S_PH_DSP,
};
#define MASK_CMPU_EQ_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Arithmetic Sub-class */
OPC_PRECR_QB_PH = (0x0D << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PRECRQ_QB_PH = (0x0C << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PRECR_SRA_PH_W = (0x1E << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PRECR_SRA_R_PH_W = (0x1F << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PRECRQ_PH_W = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PRECRQ_RS_PH_W = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PRECRQU_S_QB_PH = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP,
/* DSP Compare-Pick Sub-class */
OPC_CMPU_EQ_QB = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPU_LT_QB = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPU_LE_QB = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPGU_EQ_QB = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPGU_LT_QB = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPGU_LE_QB = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPGDU_EQ_QB = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPGDU_LT_QB = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMPGDU_LE_QB = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMP_EQ_PH = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMP_LT_PH = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_CMP_LE_PH = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PICK_QB = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PICK_PH = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP,
OPC_PACKRL_PH = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP,
};
#define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP GPR-Based Shift Sub-class */
OPC_SHLL_QB = (0x00 << 6) | OPC_SHLL_QB_DSP,
OPC_SHLLV_QB = (0x02 << 6) | OPC_SHLL_QB_DSP,
OPC_SHLL_PH = (0x08 << 6) | OPC_SHLL_QB_DSP,
OPC_SHLLV_PH = (0x0A << 6) | OPC_SHLL_QB_DSP,
OPC_SHLL_S_PH = (0x0C << 6) | OPC_SHLL_QB_DSP,
OPC_SHLLV_S_PH = (0x0E << 6) | OPC_SHLL_QB_DSP,
OPC_SHLL_S_W = (0x14 << 6) | OPC_SHLL_QB_DSP,
OPC_SHLLV_S_W = (0x16 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRL_QB = (0x01 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRLV_QB = (0x03 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRL_PH = (0x19 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRLV_PH = (0x1B << 6) | OPC_SHLL_QB_DSP,
OPC_SHRA_QB = (0x04 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRA_R_QB = (0x05 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRAV_QB = (0x06 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRAV_R_QB = (0x07 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRA_PH = (0x09 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRAV_PH = (0x0B << 6) | OPC_SHLL_QB_DSP,
OPC_SHRA_R_PH = (0x0D << 6) | OPC_SHLL_QB_DSP,
OPC_SHRAV_R_PH = (0x0F << 6) | OPC_SHLL_QB_DSP,
OPC_SHRA_R_W = (0x15 << 6) | OPC_SHLL_QB_DSP,
OPC_SHRAV_R_W = (0x17 << 6) | OPC_SHLL_QB_DSP,
};
#define MASK_DPA_W_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Multiply Sub-class insns */
OPC_DPAU_H_QBL = (0x03 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPAU_H_QBR = (0x07 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPSU_H_QBL = (0x0B << 6) | OPC_DPA_W_PH_DSP,
OPC_DPSU_H_QBR = (0x0F << 6) | OPC_DPA_W_PH_DSP,
OPC_DPA_W_PH = (0x00 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPAX_W_PH = (0x08 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPAQ_S_W_PH = (0x04 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPAQX_S_W_PH = (0x18 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPAQX_SA_W_PH = (0x1A << 6) | OPC_DPA_W_PH_DSP,
OPC_DPS_W_PH = (0x01 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPSX_W_PH = (0x09 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPSQ_S_W_PH = (0x05 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPSQX_S_W_PH = (0x19 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPSQX_SA_W_PH = (0x1B << 6) | OPC_DPA_W_PH_DSP,
OPC_MULSAQ_S_W_PH = (0x06 << 6) | OPC_DPA_W_PH_DSP,
OPC_DPAQ_SA_L_W = (0x0C << 6) | OPC_DPA_W_PH_DSP,
OPC_DPSQ_SA_L_W = (0x0D << 6) | OPC_DPA_W_PH_DSP,
OPC_MAQ_S_W_PHL = (0x14 << 6) | OPC_DPA_W_PH_DSP,
OPC_MAQ_S_W_PHR = (0x16 << 6) | OPC_DPA_W_PH_DSP,
OPC_MAQ_SA_W_PHL = (0x10 << 6) | OPC_DPA_W_PH_DSP,
OPC_MAQ_SA_W_PHR = (0x12 << 6) | OPC_DPA_W_PH_DSP,
OPC_MULSA_W_PH = (0x02 << 6) | OPC_DPA_W_PH_DSP,
};
#define MASK_INSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* DSP Bit/Manipulation Sub-class */
OPC_INSV = (0x00 << 6) | OPC_INSV_DSP,
};
#define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Append Sub-class */
OPC_APPEND = (0x00 << 6) | OPC_APPEND_DSP,
OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP,
OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP,
};
#define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Accumulator and DSPControl Access Sub-class */
OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP,
OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP,
OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP,
OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP,
OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP,
OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP,
OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP,
OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP,
OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP,
OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP,
OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP,
OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP,
OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP,
OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP,
OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP,
OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP,
OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP,
};
#define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Arithmetic Sub-class */
OPC_PRECEQ_L_PWL = (0x14 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQ_L_PWR = (0x15 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQ_PW_QHL = (0x0C << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQ_PW_QHR = (0x0D << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQ_PW_QHLA = (0x0E << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQ_PW_QHRA = (0x0F << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQU_QH_OBL = (0x04 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQU_QH_OBR = (0x05 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQU_QH_OBLA = (0x06 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEQU_QH_OBRA = (0x07 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEU_QH_OBL = (0x1C << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEU_QH_OBR = (0x1D << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEU_QH_OBLA = (0x1E << 6) | OPC_ABSQ_S_QH_DSP,
OPC_PRECEU_QH_OBRA = (0x1F << 6) | OPC_ABSQ_S_QH_DSP,
OPC_ABSQ_S_OB = (0x01 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_ABSQ_S_PW = (0x11 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_ABSQ_S_QH = (0x09 << 6) | OPC_ABSQ_S_QH_DSP,
/* DSP Bit/Manipulation Sub-class */
OPC_REPL_OB = (0x02 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_REPL_PW = (0x12 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_REPL_QH = (0x0A << 6) | OPC_ABSQ_S_QH_DSP,
OPC_REPLV_OB = (0x03 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_REPLV_PW = (0x13 << 6) | OPC_ABSQ_S_QH_DSP,
OPC_REPLV_QH = (0x0B << 6) | OPC_ABSQ_S_QH_DSP,
};
#define MASK_ADDU_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Multiply Sub-class insns */
OPC_MULEQ_S_PW_QHL = (0x1C << 6) | OPC_ADDU_OB_DSP,
OPC_MULEQ_S_PW_QHR = (0x1D << 6) | OPC_ADDU_OB_DSP,
OPC_MULEU_S_QH_OBL = (0x06 << 6) | OPC_ADDU_OB_DSP,
OPC_MULEU_S_QH_OBR = (0x07 << 6) | OPC_ADDU_OB_DSP,
OPC_MULQ_RS_QH = (0x1F << 6) | OPC_ADDU_OB_DSP,
/* MIPS DSP Arithmetic Sub-class */
OPC_RADDU_L_OB = (0x14 << 6) | OPC_ADDU_OB_DSP,
OPC_SUBQ_PW = (0x13 << 6) | OPC_ADDU_OB_DSP,
OPC_SUBQ_S_PW = (0x17 << 6) | OPC_ADDU_OB_DSP,
OPC_SUBQ_QH = (0x0B << 6) | OPC_ADDU_OB_DSP,
OPC_SUBQ_S_QH = (0x0F << 6) | OPC_ADDU_OB_DSP,
OPC_SUBU_OB = (0x01 << 6) | OPC_ADDU_OB_DSP,
OPC_SUBU_S_OB = (0x05 << 6) | OPC_ADDU_OB_DSP,
OPC_SUBU_QH = (0x09 << 6) | OPC_ADDU_OB_DSP,
OPC_SUBU_S_QH = (0x0D << 6) | OPC_ADDU_OB_DSP,
OPC_SUBUH_OB = (0x19 << 6) | OPC_ADDU_OB_DSP,
OPC_SUBUH_R_OB = (0x1B << 6) | OPC_ADDU_OB_DSP,
OPC_ADDQ_PW = (0x12 << 6) | OPC_ADDU_OB_DSP,
OPC_ADDQ_S_PW = (0x16 << 6) | OPC_ADDU_OB_DSP,
OPC_ADDQ_QH = (0x0A << 6) | OPC_ADDU_OB_DSP,
OPC_ADDQ_S_QH = (0x0E << 6) | OPC_ADDU_OB_DSP,
OPC_ADDU_OB = (0x00 << 6) | OPC_ADDU_OB_DSP,
OPC_ADDU_S_OB = (0x04 << 6) | OPC_ADDU_OB_DSP,
OPC_ADDU_QH = (0x08 << 6) | OPC_ADDU_OB_DSP,
OPC_ADDU_S_QH = (0x0C << 6) | OPC_ADDU_OB_DSP,
OPC_ADDUH_OB = (0x18 << 6) | OPC_ADDU_OB_DSP,
OPC_ADDUH_R_OB = (0x1A << 6) | OPC_ADDU_OB_DSP,
};
#define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* DSP Compare-Pick Sub-class */
OPC_CMP_EQ_PW = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMP_LT_PW = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMP_LE_PW = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMP_EQ_QH = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMP_LT_QH = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMP_LE_QH = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPGDU_EQ_OB = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPGDU_LT_OB = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPGDU_LE_OB = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPGU_EQ_OB = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPGU_LT_OB = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPGU_LE_OB = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPU_EQ_OB = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPU_LT_OB = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_CMPU_LE_OB = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PACKRL_PW = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PICK_OB = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PICK_PW = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PICK_QH = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP,
/* MIPS DSP Arithmetic Sub-class */
OPC_PRECR_OB_QH = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PRECR_SRA_QH_PW = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PRECR_SRA_R_QH_PW = (0x1F << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PRECRQ_OB_QH = (0x0C << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PRECRQ_PW_L = (0x1C << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PRECRQ_QH_PW = (0x14 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PRECRQ_RS_QH_PW = (0x15 << 6) | OPC_CMPU_EQ_OB_DSP,
OPC_PRECRQU_S_OB_QH = (0x0F << 6) | OPC_CMPU_EQ_OB_DSP,
};
#define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* DSP Append Sub-class */
OPC_DAPPEND = (0x00 << 6) | OPC_DAPPEND_DSP,
OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP,
OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP,
OPC_DBALIGN = (0x10 << 6) | OPC_DAPPEND_DSP,
};
#define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Accumulator and DSPControl Access Sub-class */
OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP,
OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP,
OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP,
OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP,
};
#define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* DSP Bit/Manipulation Sub-class */
OPC_DINSV = (0x00 << 6) | OPC_DINSV_DSP,
};
#define MASK_DPAQ_W_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP Multiply Sub-class insns */
OPC_DMADD = (0x19 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DMADDU = (0x1D << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DMSUB = (0x1B << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DMSUBU = (0x1F << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPA_W_QH = (0x00 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPAQ_S_W_QH = (0x04 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPAQ_SA_L_PW = (0x0C << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPAU_H_OBL = (0x03 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPAU_H_OBR = (0x07 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPS_W_QH = (0x01 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPSQ_S_W_QH = (0x05 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPSQ_SA_L_PW = (0x0D << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPSU_H_OBL = (0x0B << 6) | OPC_DPAQ_W_QH_DSP,
OPC_DPSU_H_OBR = (0x0F << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_S_L_PWL = (0x1C << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_S_L_PWR = (0x1E << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_S_W_QHLL = (0x14 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_SA_W_QHLL = (0x10 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_S_W_QHLR = (0x15 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_SA_W_QHLR = (0x11 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_S_W_QHRL = (0x16 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_SA_W_QHRL = (0x12 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_S_W_QHRR = (0x17 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MAQ_SA_W_QHRR = (0x13 << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MULSAQ_S_L_PW = (0x0E << 6) | OPC_DPAQ_W_QH_DSP,
OPC_MULSAQ_S_W_QH = (0x06 << 6) | OPC_DPAQ_W_QH_DSP,
};
#define MASK_SHLL_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
enum {
/* MIPS DSP GPR-Based Shift Sub-class */
OPC_SHLL_PW = (0x10 << 6) | OPC_SHLL_OB_DSP,
OPC_SHLL_S_PW = (0x14 << 6) | OPC_SHLL_OB_DSP,
OPC_SHLLV_OB = (0x02 << 6) | OPC_SHLL_OB_DSP,
OPC_SHLLV_PW = (0x12 << 6) | OPC_SHLL_OB_DSP,
OPC_SHLLV_S_PW = (0x16 << 6) | OPC_SHLL_OB_DSP,
OPC_SHLLV_QH = (0x0A << 6) | OPC_SHLL_OB_DSP,
OPC_SHLLV_S_QH = (0x0E << 6) | OPC_SHLL_OB_DSP,
OPC_SHRA_PW = (0x11 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRA_R_PW = (0x15 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRAV_OB = (0x06 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRAV_R_OB = (0x07 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRAV_PW = (0x13 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRAV_R_PW = (0x17 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRAV_QH = (0x0B << 6) | OPC_SHLL_OB_DSP,
OPC_SHRAV_R_QH = (0x0F << 6) | OPC_SHLL_OB_DSP,
OPC_SHRLV_OB = (0x03 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRLV_QH = (0x1B << 6) | OPC_SHLL_OB_DSP,
OPC_SHLL_OB = (0x00 << 6) | OPC_SHLL_OB_DSP,
OPC_SHLL_QH = (0x08 << 6) | OPC_SHLL_OB_DSP,
OPC_SHLL_S_QH = (0x0C << 6) | OPC_SHLL_OB_DSP,
OPC_SHRA_OB = (0x04 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRA_R_OB = (0x05 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRA_QH = (0x09 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRA_R_QH = (0x0D << 6) | OPC_SHLL_OB_DSP,
OPC_SHRL_OB = (0x01 << 6) | OPC_SHLL_OB_DSP,
OPC_SHRL_QH = (0x19 << 6) | OPC_SHLL_OB_DSP,
};
/* Coprocessor 0 (rs field) */
#define MASK_CP0(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
enum {
OPC_MFC0 = (0x00 << 21) | OPC_CP0,
OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
OPC_MFHC0 = (0x02 << 21) | OPC_CP0,
OPC_MTC0 = (0x04 << 21) | OPC_CP0,
OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
OPC_MTHC0 = (0x06 << 21) | OPC_CP0,
OPC_MFTR = (0x08 << 21) | OPC_CP0,
OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
OPC_MTTR = (0x0C << 21) | OPC_CP0,
OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
OPC_C0 = (0x10 << 21) | OPC_CP0,
OPC_C0_1 = (0x11 << 21) | OPC_CP0,
OPC_C0_2 = (0x12 << 21) | OPC_CP0,
OPC_C0_3 = (0x13 << 21) | OPC_CP0,
OPC_C0_4 = (0x14 << 21) | OPC_CP0,
OPC_C0_5 = (0x15 << 21) | OPC_CP0,
OPC_C0_6 = (0x16 << 21) | OPC_CP0,
OPC_C0_7 = (0x17 << 21) | OPC_CP0,
OPC_C0_8 = (0x18 << 21) | OPC_CP0,
OPC_C0_9 = (0x19 << 21) | OPC_CP0,
OPC_C0_A = (0x1A << 21) | OPC_CP0,
OPC_C0_B = (0x1B << 21) | OPC_CP0,
OPC_C0_C = (0x1C << 21) | OPC_CP0,
OPC_C0_D = (0x1D << 21) | OPC_CP0,
OPC_C0_E = (0x1E << 21) | OPC_CP0,
OPC_C0_F = (0x1F << 21) | OPC_CP0,
};
/* MFMC0 opcodes */
#define MASK_MFMC0(op) (MASK_CP0(op) | (op & 0xFFFF))
enum {
OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
OPC_DVP = 0x04 | (0 << 3) | (1 << 5) | (0 << 11) | OPC_MFMC0,
OPC_EVP = 0x04 | (0 << 3) | (0 << 5) | (0 << 11) | OPC_MFMC0,
};
/* Coprocessor 0 (with rs == C0) */
#define MASK_C0(op) (MASK_CP0(op) | (op & 0x3F))
enum {
OPC_TLBR = 0x01 | OPC_C0,
OPC_TLBWI = 0x02 | OPC_C0,
OPC_TLBINV = 0x03 | OPC_C0,
OPC_TLBINVF = 0x04 | OPC_C0,
OPC_TLBWR = 0x06 | OPC_C0,
OPC_TLBP = 0x08 | OPC_C0,
OPC_RFE = 0x10 | OPC_C0,
OPC_ERET = 0x18 | OPC_C0,
OPC_DERET = 0x1F | OPC_C0,
OPC_WAIT = 0x20 | OPC_C0,
};
#define MASK_CP2(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)))
enum {
OPC_MFC2 = (0x00 << 21) | OPC_CP2,
OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
OPC_CFC2 = (0x02 << 21) | OPC_CP2,
OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
OPC_MTC2 = (0x04 << 21) | OPC_CP2,
OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
OPC_CTC2 = (0x06 << 21) | OPC_CP2,
OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
OPC_BC2 = (0x08 << 21) | OPC_CP2,
OPC_BC2EQZ = (0x09 << 21) | OPC_CP2,
OPC_BC2NEZ = (0x0D << 21) | OPC_CP2,
};
#define MASK_LMMI(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | (op & 0x1F))
enum {
OPC_PADDSH = (24 << 21) | (0x00) | OPC_CP2,
OPC_PADDUSH = (25 << 21) | (0x00) | OPC_CP2,
OPC_PADDH = (26 << 21) | (0x00) | OPC_CP2,
OPC_PADDW = (27 << 21) | (0x00) | OPC_CP2,
OPC_PADDSB = (28 << 21) | (0x00) | OPC_CP2,
OPC_PADDUSB = (29 << 21) | (0x00) | OPC_CP2,
OPC_PADDB = (30 << 21) | (0x00) | OPC_CP2,
OPC_PADDD = (31 << 21) | (0x00) | OPC_CP2,
OPC_PSUBSH = (24 << 21) | (0x01) | OPC_CP2,
OPC_PSUBUSH = (25 << 21) | (0x01) | OPC_CP2,
OPC_PSUBH = (26 << 21) | (0x01) | OPC_CP2,
OPC_PSUBW = (27 << 21) | (0x01) | OPC_CP2,
OPC_PSUBSB = (28 << 21) | (0x01) | OPC_CP2,
OPC_PSUBUSB = (29 << 21) | (0x01) | OPC_CP2,
OPC_PSUBB = (30 << 21) | (0x01) | OPC_CP2,
OPC_PSUBD = (31 << 21) | (0x01) | OPC_CP2,
OPC_PSHUFH = (24 << 21) | (0x02) | OPC_CP2,
OPC_PACKSSWH = (25 << 21) | (0x02) | OPC_CP2,
OPC_PACKSSHB = (26 << 21) | (0x02) | OPC_CP2,
OPC_PACKUSHB = (27 << 21) | (0x02) | OPC_CP2,
OPC_XOR_CP2 = (28 << 21) | (0x02) | OPC_CP2,
OPC_NOR_CP2 = (29 << 21) | (0x02) | OPC_CP2,
OPC_AND_CP2 = (30 << 21) | (0x02) | OPC_CP2,
OPC_PANDN = (31 << 21) | (0x02) | OPC_CP2,
OPC_PUNPCKLHW = (24 << 21) | (0x03) | OPC_CP2,
OPC_PUNPCKHHW = (25 << 21) | (0x03) | OPC_CP2,
OPC_PUNPCKLBH = (26 << 21) | (0x03) | OPC_CP2,
OPC_PUNPCKHBH = (27 << 21) | (0x03) | OPC_CP2,
OPC_PINSRH_0 = (28 << 21) | (0x03) | OPC_CP2,
OPC_PINSRH_1 = (29 << 21) | (0x03) | OPC_CP2,
OPC_PINSRH_2 = (30 << 21) | (0x03) | OPC_CP2,
OPC_PINSRH_3 = (31 << 21) | (0x03) | OPC_CP2,
OPC_PAVGH = (24 << 21) | (0x08) | OPC_CP2,
OPC_PAVGB = (25 << 21) | (0x08) | OPC_CP2,
OPC_PMAXSH = (26 << 21) | (0x08) | OPC_CP2,
OPC_PMINSH = (27 << 21) | (0x08) | OPC_CP2,
OPC_PMAXUB = (28 << 21) | (0x08) | OPC_CP2,
OPC_PMINUB = (29 << 21) | (0x08) | OPC_CP2,
OPC_PCMPEQW = (24 << 21) | (0x09) | OPC_CP2,
OPC_PCMPGTW = (25 << 21) | (0x09) | OPC_CP2,
OPC_PCMPEQH = (26 << 21) | (0x09) | OPC_CP2,
OPC_PCMPGTH = (27 << 21) | (0x09) | OPC_CP2,
OPC_PCMPEQB = (28 << 21) | (0x09) | OPC_CP2,
OPC_PCMPGTB = (29 << 21) | (0x09) | OPC_CP2,
OPC_PSLLW = (24 << 21) | (0x0A) | OPC_CP2,
OPC_PSLLH = (25 << 21) | (0x0A) | OPC_CP2,
OPC_PMULLH = (26 << 21) | (0x0A) | OPC_CP2,
OPC_PMULHH = (27 << 21) | (0x0A) | OPC_CP2,
OPC_PMULUW = (28 << 21) | (0x0A) | OPC_CP2,
OPC_PMULHUH = (29 << 21) | (0x0A) | OPC_CP2,
OPC_PSRLW = (24 << 21) | (0x0B) | OPC_CP2,
OPC_PSRLH = (25 << 21) | (0x0B) | OPC_CP2,
OPC_PSRAW = (26 << 21) | (0x0B) | OPC_CP2,
OPC_PSRAH = (27 << 21) | (0x0B) | OPC_CP2,
OPC_PUNPCKLWD = (28 << 21) | (0x0B) | OPC_CP2,
OPC_PUNPCKHWD = (29 << 21) | (0x0B) | OPC_CP2,
OPC_ADDU_CP2 = (24 << 21) | (0x0C) | OPC_CP2,
OPC_OR_CP2 = (25 << 21) | (0x0C) | OPC_CP2,
OPC_ADD_CP2 = (26 << 21) | (0x0C) | OPC_CP2,
OPC_DADD_CP2 = (27 << 21) | (0x0C) | OPC_CP2,
OPC_SEQU_CP2 = (28 << 21) | (0x0C) | OPC_CP2,
OPC_SEQ_CP2 = (29 << 21) | (0x0C) | OPC_CP2,
OPC_SUBU_CP2 = (24 << 21) | (0x0D) | OPC_CP2,
OPC_PASUBUB = (25 << 21) | (0x0D) | OPC_CP2,
OPC_SUB_CP2 = (26 << 21) | (0x0D) | OPC_CP2,
OPC_DSUB_CP2 = (27 << 21) | (0x0D) | OPC_CP2,
OPC_SLTU_CP2 = (28 << 21) | (0x0D) | OPC_CP2,
OPC_SLT_CP2 = (29 << 21) | (0x0D) | OPC_CP2,
OPC_SLL_CP2 = (24 << 21) | (0x0E) | OPC_CP2,
OPC_DSLL_CP2 = (25 << 21) | (0x0E) | OPC_CP2,
OPC_PEXTRH = (26 << 21) | (0x0E) | OPC_CP2,
OPC_PMADDHW = (27 << 21) | (0x0E) | OPC_CP2,
OPC_SLEU_CP2 = (28 << 21) | (0x0E) | OPC_CP2,
OPC_SLE_CP2 = (29 << 21) | (0x0E) | OPC_CP2,
OPC_SRL_CP2 = (24 << 21) | (0x0F) | OPC_CP2,
OPC_DSRL_CP2 = (25 << 21) | (0x0F) | OPC_CP2,
OPC_SRA_CP2 = (26 << 21) | (0x0F) | OPC_CP2,
OPC_DSRA_CP2 = (27 << 21) | (0x0F) | OPC_CP2,
OPC_BIADD = (28 << 21) | (0x0F) | OPC_CP2,
OPC_PMOVMSKB = (29 << 21) | (0x0F) | OPC_CP2,
};
#define MASK_CP3(op) (MASK_OP_MAJOR(op) | (op & 0x3F))
enum {
OPC_LWXC1 = 0x00 | OPC_CP3,
OPC_LDXC1 = 0x01 | OPC_CP3,
OPC_LUXC1 = 0x05 | OPC_CP3,
OPC_SWXC1 = 0x08 | OPC_CP3,
OPC_SDXC1 = 0x09 | OPC_CP3,
OPC_SUXC1 = 0x0D | OPC_CP3,
OPC_PREFX = 0x0F | OPC_CP3,
OPC_ALNV_PS = 0x1E | OPC_CP3,
OPC_MADD_S = 0x20 | OPC_CP3,
OPC_MADD_D = 0x21 | OPC_CP3,
OPC_MADD_PS = 0x26 | OPC_CP3,
OPC_MSUB_S = 0x28 | OPC_CP3,
OPC_MSUB_D = 0x29 | OPC_CP3,
OPC_MSUB_PS = 0x2E | OPC_CP3,
OPC_NMADD_S = 0x30 | OPC_CP3,
OPC_NMADD_D = 0x31 | OPC_CP3,
OPC_NMADD_PS = 0x36 | OPC_CP3,
OPC_NMSUB_S = 0x38 | OPC_CP3,
OPC_NMSUB_D = 0x39 | OPC_CP3,
OPC_NMSUB_PS = 0x3E | OPC_CP3,
};
/*
* MMI (MultiMedia Instruction) encodings
* ======================================
*
* MMI instructions encoding table keys:
*
* * This code is reserved for future use. An attempt to execute it
* causes a Reserved Instruction exception.
* % This code indicates an instruction class. The instruction word
* must be further decoded by examining additional tables that show
* the values for other instruction fields.
* # This code is reserved for the unsupported instructions DMULT,
* DMULTU, DDIV, DDIVU, LL, LLD, SC, SCD, LWC2 and SWC2. An attempt
* to execute it causes a Reserved Instruction exception.
*
* MMI instructions encoded by opcode field (MMI, LQ, SQ):
*
* 31 26 0
* +--------+----------------------------------------+
* | opcode | |
* +--------+----------------------------------------+
*
* opcode bits 28..26
* bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
* 31..29 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111
* -------+-------+-------+-------+-------+-------+-------+-------+-------
* 0 000 |SPECIAL| REGIMM| J | JAL | BEQ | BNE | BLEZ | BGTZ
* 1 001 | ADDI | ADDIU | SLTI | SLTIU | ANDI | ORI | XORI | LUI
* 2 010 | COP0 | COP1 | * | * | BEQL | BNEL | BLEZL | BGTZL
* 3 011 | DADDI | DADDIU| LDL | LDR | MMI% | * | LQ | SQ
* 4 100 | LB | LH | LWL | LW | LBU | LHU | LWR | LWU
* 5 101 | SB | SH | SWL | SW | SDL | SDR | SWR | CACHE
* 6 110 | # | LWC1 | # | PREF | # | LDC1 | # | LD
* 7 111 | # | SWC1 | # | * | # | SDC1 | # | SD
*/
enum {
MMI_OPC_CLASS_MMI = 0x1C << 26, /* Same as OPC_SPECIAL2 */
MMI_OPC_SQ = 0x1F << 26, /* Same as OPC_SPECIAL3 */
};
/*
* MMI instructions with opcode field = MMI:
*
* 31 26 5 0
* +--------+-------------------------------+--------+
* | MMI | |function|
* +--------+-------------------------------+--------+
*
* function bits 2..0
* bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
* 5..3 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111
* -------+-------+-------+-------+-------+-------+-------+-------+-------
* 0 000 | MADD | MADDU | * | * | PLZCW | * | * | *
* 1 001 | MMI0% | MMI2% | * | * | * | * | * | *
* 2 010 | MFHI1 | MTHI1 | MFLO1 | MTLO1 | * | * | * | *
* 3 011 | MULT1 | MULTU1| DIV1 | DIVU1 | * | * | * | *
* 4 100 | MADD1 | MADDU1| * | * | * | * | * | *
* 5 101 | MMI1% | MMI3% | * | * | * | * | * | *
* 6 110 | PMFHL | PMTHL | * | * | PSLLH | * | PSRLH | PSRAH
* 7 111 | * | * | * | * | PSLLW | * | PSRLW | PSRAW
*/
#define MASK_MMI(op) (MASK_OP_MAJOR(op) | ((op) & 0x3F))
enum {
MMI_OPC_MADD = 0x00 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADD */
MMI_OPC_MADDU = 0x01 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADDU */
MMI_OPC_MULT1 = 0x18 | MMI_OPC_CLASS_MMI, /* Same minor as OPC_MULT */
MMI_OPC_MULTU1 = 0x19 | MMI_OPC_CLASS_MMI, /* Same min. as OPC_MULTU */
MMI_OPC_DIV1 = 0x1A | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIV */
MMI_OPC_DIVU1 = 0x1B | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIVU */
MMI_OPC_MADD1 = 0x20 | MMI_OPC_CLASS_MMI,
MMI_OPC_MADDU1 = 0x21 | MMI_OPC_CLASS_MMI,
};
/* global register indices */
TCGv cpu_gpr[32], cpu_PC;
/*
* For CPUs using 128-bit GPR registers, we put the lower halves in cpu_gpr[])
* and the upper halves in cpu_gpr_hi[].
*/
TCGv_i64 cpu_gpr_hi[32];
TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC];
static TCGv cpu_dspctrl, btarget;
TCGv bcond;
static TCGv cpu_lladdr, cpu_llval;
static TCGv_i32 hflags;
TCGv_i32 fpu_fcr0, fpu_fcr31;
TCGv_i64 fpu_f64[32];
static const char regnames_HI[][4] = {
"HI0", "HI1", "HI2", "HI3",
};
static const char regnames_LO[][4] = {
"LO0", "LO1", "LO2", "LO3",
};
/* General purpose registers moves. */
void gen_load_gpr(TCGv t, int reg)
{
assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr));
if (reg == 0) {
tcg_gen_movi_tl(t, 0);
} else {
tcg_gen_mov_tl(t, cpu_gpr[reg]);
}
}
void gen_store_gpr(TCGv t, int reg)
{
assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr));
if (reg != 0) {
tcg_gen_mov_tl(cpu_gpr[reg], t);
}
}
#if defined(TARGET_MIPS64)
void gen_load_gpr_hi(TCGv_i64 t, int reg)
{
assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi));
if (reg == 0) {
tcg_gen_movi_i64(t, 0);
} else {
tcg_gen_mov_i64(t, cpu_gpr_hi[reg]);
}
}
void gen_store_gpr_hi(TCGv_i64 t, int reg)
{
assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi));
if (reg != 0) {
tcg_gen_mov_i64(cpu_gpr_hi[reg], t);
}
}
#endif /* TARGET_MIPS64 */
/* Moves to/from shadow registers. */
static inline void gen_load_srsgpr(int from, int to)
{
TCGv t0 = tcg_temp_new();
if (from == 0) {
tcg_gen_movi_tl(t0, 0);
} else {
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_ptr addr = tcg_temp_new_ptr();
tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl));
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
tcg_gen_andi_i32(t2, t2, 0xf);
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
tcg_gen_ext_i32_ptr(addr, t2);
tcg_gen_add_ptr(addr, tcg_env, addr);
tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
}
gen_store_gpr(t0, to);
}
static inline void gen_store_srsgpr(int from, int to)
{
if (to != 0) {
TCGv t0 = tcg_temp_new();
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_ptr addr = tcg_temp_new_ptr();
gen_load_gpr(t0, from);
tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl));
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
tcg_gen_andi_i32(t2, t2, 0xf);
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
tcg_gen_ext_i32_ptr(addr, t2);
tcg_gen_add_ptr(addr, tcg_env, addr);
tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
}
}
/* Tests */
static inline void gen_save_pc(target_ulong pc)
{
tcg_gen_movi_tl(cpu_PC, pc);
}
static inline void save_cpu_state(DisasContext *ctx, int do_save_pc)
{
LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
if (do_save_pc && ctx->base.pc_next != ctx->saved_pc) {
gen_save_pc(ctx->base.pc_next);
ctx->saved_pc = ctx->base.pc_next;
}
if (ctx->hflags != ctx->saved_hflags) {
tcg_gen_movi_i32(hflags, ctx->hflags);
ctx->saved_hflags = ctx->hflags;
switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
case MIPS_HFLAG_BR:
break;
case MIPS_HFLAG_BC:
case MIPS_HFLAG_BL:
case MIPS_HFLAG_B:
tcg_gen_movi_tl(btarget, ctx->btarget);
break;
}
}
}
static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx)
{
ctx->saved_hflags = ctx->hflags;
switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
case MIPS_HFLAG_BR:
break;
case MIPS_HFLAG_BC:
case MIPS_HFLAG_BL:
case MIPS_HFLAG_B:
ctx->btarget = env->btarget;
break;
}
}
void generate_exception_err(DisasContext *ctx, int excp, int err)
{
save_cpu_state(ctx, 1);
gen_helper_raise_exception_err(tcg_env, tcg_constant_i32(excp),
tcg_constant_i32(err));
ctx->base.is_jmp = DISAS_NORETURN;
}
void generate_exception(DisasContext *ctx, int excp)
{
gen_helper_raise_exception(tcg_env, tcg_constant_i32(excp));
}
void generate_exception_end(DisasContext *ctx, int excp)
{
generate_exception_err(ctx, excp, 0);
}
void generate_exception_break(DisasContext *ctx, int code)
{
#ifdef CONFIG_USER_ONLY
/* Pass the break code along to cpu_loop. */
tcg_gen_st_i32(tcg_constant_i32(code), tcg_env,
offsetof(CPUMIPSState, error_code));
#endif
generate_exception_end(ctx, EXCP_BREAK);
}
void gen_reserved_instruction(DisasContext *ctx)
{
generate_exception_end(ctx, EXCP_RI);
}
/* Floating point register moves. */
void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_FRE) {
generate_exception(ctx, EXCP_RI);
}
tcg_gen_extrl_i64_i32(t, fpu_f64[reg]);
}
void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg)
{
TCGv_i64 t64;
if (ctx->hflags & MIPS_HFLAG_FRE) {
generate_exception(ctx, EXCP_RI);
}
t64 = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(t64, t);
tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 0, 32);
}
static void gen_load_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_F64) {
tcg_gen_extrh_i64_i32(t, fpu_f64[reg]);
} else {
gen_load_fpr32(ctx, t, reg | 1);
}
}
static void gen_store_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_F64) {
TCGv_i64 t64 = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(t64, t);
tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 32, 32);
} else {
gen_store_fpr32(ctx, t, reg | 1);
}
}
void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_F64) {
tcg_gen_mov_i64(t, fpu_f64[reg]);
} else {
tcg_gen_concat32_i64(t, fpu_f64[reg & ~1], fpu_f64[reg | 1]);
}
}
void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg)
{
if (ctx->hflags & MIPS_HFLAG_F64) {
tcg_gen_mov_i64(fpu_f64[reg], t);
} else {
TCGv_i64 t0;
tcg_gen_deposit_i64(fpu_f64[reg & ~1], fpu_f64[reg & ~1], t, 0, 32);
t0 = tcg_temp_new_i64();
tcg_gen_shri_i64(t0, t, 32);
tcg_gen_deposit_i64(fpu_f64[reg | 1], fpu_f64[reg | 1], t0, 0, 32);
}
}
int get_fp_bit(int cc)
{
if (cc) {
return 24 + cc;
} else {
return 23;
}
}
/* Addresses computation */
void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1)
{
tcg_gen_add_tl(ret, arg0, arg1);
#if defined(TARGET_MIPS64)
if (ctx->hflags & MIPS_HFLAG_AWRAP) {
tcg_gen_ext32s_i64(ret, ret);
}
#endif
}
static inline void gen_op_addr_addi(DisasContext *ctx, TCGv ret, TCGv base,
target_long ofs)
{
tcg_gen_addi_tl(ret, base, ofs);
#if defined(TARGET_MIPS64)
if (ctx->hflags & MIPS_HFLAG_AWRAP) {
tcg_gen_ext32s_i64(ret, ret);
}
#endif
}
/* Addresses computation (translation time) */
static target_long addr_add(DisasContext *ctx, target_long base,
target_long offset)
{
target_long sum = base + offset;
#if defined(TARGET_MIPS64)
if (ctx->hflags & MIPS_HFLAG_AWRAP) {
sum = (int32_t)sum;
}
#endif
return sum;
}
/* Sign-extract the low 32-bits to a target_long. */
void gen_move_low32(TCGv ret, TCGv_i64 arg)
{
#if defined(TARGET_MIPS64)
tcg_gen_ext32s_i64(ret, arg);
#else
tcg_gen_extrl_i64_i32(ret, arg);
#endif
}
/* Sign-extract the high 32-bits to a target_long. */
void gen_move_high32(TCGv ret, TCGv_i64 arg)
{
#if defined(TARGET_MIPS64)
tcg_gen_sari_i64(ret, arg, 32);
#else
tcg_gen_extrh_i64_i32(ret, arg);
#endif
}
bool check_cp0_enabled(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
generate_exception_end(ctx, EXCP_CpU);
return false;
}
return true;
}
void check_cp1_enabled(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) {
generate_exception_err(ctx, EXCP_CpU, 1);
}
}
/*
* Verify that the processor is running with COP1X instructions enabled.
* This is associated with the nabla symbol in the MIPS32 and MIPS64
* opcode tables.
*/
void check_cop1x(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) {
gen_reserved_instruction(ctx);
}
}
/*
* Verify that the processor is running with 64-bit floating-point
* operations enabled.
*/
void check_cp1_64bitmode(DisasContext *ctx)
{
if (unlikely(~ctx->hflags & MIPS_HFLAG_F64)) {
gen_reserved_instruction(ctx);
}
}
/*
* Verify if floating point register is valid; an operation is not defined
* if bit 0 of any register specification is set and the FR bit in the
* Status register equals zero, since the register numbers specify an
* even-odd pair of adjacent coprocessor general registers. When the FR bit
* in the Status register equals one, both even and odd register numbers
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
*
* Multiple 64 bit wide registers can be checked by calling
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
*/
void check_cp1_registers(DisasContext *ctx, int regs)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) {
gen_reserved_instruction(ctx);
}
}
/*
* Verify that the processor is running with DSP instructions enabled.
* This is enabled by CP0 Status register MX(24) bit.
*/
static inline void check_dsp(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) {
if (ctx->insn_flags & ASE_DSP) {
generate_exception_end(ctx, EXCP_DSPDIS);
} else {
gen_reserved_instruction(ctx);
}
}
}
static inline void check_dsp_r2(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R2))) {
if (ctx->insn_flags & ASE_DSP) {
generate_exception_end(ctx, EXCP_DSPDIS);
} else {
gen_reserved_instruction(ctx);
}
}
}
static inline void check_dsp_r3(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R3))) {
if (ctx->insn_flags & ASE_DSP) {
generate_exception_end(ctx, EXCP_DSPDIS);
} else {
gen_reserved_instruction(ctx);
}
}
}
/*
* This code generates a "reserved instruction" exception if the
* CPU does not support the instruction set corresponding to flags.
*/
void check_insn(DisasContext *ctx, uint64_t flags)
{
if (unlikely(!(ctx->insn_flags & flags))) {
gen_reserved_instruction(ctx);
}
}
/*
* This code generates a "reserved instruction" exception if the
* CPU has corresponding flag set which indicates that the instruction
* has been removed.
*/
static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags)
{
if (unlikely(ctx->insn_flags & flags)) {
gen_reserved_instruction(ctx);
}
}
/*
* The Linux kernel traps certain reserved instruction exceptions to
* emulate the corresponding instructions. QEMU is the kernel in user
* mode, so those traps are emulated by accepting the instructions.
*
* A reserved instruction exception is generated for flagged CPUs if
* QEMU runs in system mode.
*/
static inline void check_insn_opc_user_only(DisasContext *ctx, uint64_t flags)
{
#ifndef CONFIG_USER_ONLY
check_insn_opc_removed(ctx, flags);
#endif
}
/*
* This code generates a "reserved instruction" exception if the
* CPU does not support 64-bit paired-single (PS) floating point data type.
*/
static inline void check_ps(DisasContext *ctx)
{
if (unlikely(!ctx->ps)) {
generate_exception(ctx, EXCP_RI);
}
check_cp1_64bitmode(ctx);
}
/*
* This code generates a "reserved instruction" exception if cpu is not
* 64-bit or 64-bit instructions are not enabled.
*/
void check_mips_64(DisasContext *ctx)
{
if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) {
gen_reserved_instruction(ctx);
}
}
#ifndef CONFIG_USER_ONLY
static inline void check_mvh(DisasContext *ctx)
{
if (unlikely(!ctx->mvh)) {
generate_exception(ctx, EXCP_RI);
}
}
#endif
/*
* This code generates a "reserved instruction" exception if the
* Config5 XNP bit is set.
*/
static inline void check_xnp(DisasContext *ctx)
{
if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_XNP))) {
gen_reserved_instruction(ctx);
}
}
#ifndef CONFIG_USER_ONLY
/*
* This code generates a "reserved instruction" exception if the
* Config3 PW bit is NOT set.
*/
static inline void check_pw(DisasContext *ctx)
{
if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) {
gen_reserved_instruction(ctx);
}
}
#endif
/*
* This code generates a "reserved instruction" exception if the
* Config3 MT bit is NOT set.
*/
static inline void check_mt(DisasContext *ctx)
{
if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
gen_reserved_instruction(ctx);
}
}
#ifndef CONFIG_USER_ONLY
/*
* This code generates a "coprocessor unusable" exception if CP0 is not
* available, and, if that is not the case, generates a "reserved instruction"
* exception if the Config5 MT bit is NOT set. This is needed for availability
* control of some of MT ASE instructions.
*/
static inline void check_cp0_mt(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) {
generate_exception_end(ctx, EXCP_CpU);
} else {
if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) {
gen_reserved_instruction(ctx);
}
}
}
#endif
/*
* This code generates a "reserved instruction" exception if the
* Config5 NMS bit is set.
*/
static inline void check_nms(DisasContext *ctx)
{
if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS))) {
gen_reserved_instruction(ctx);
}
}
/*
* This code generates a "reserved instruction" exception if the
* Config5 NMS bit is set, and Config1 DL, Config1 IL, Config2 SL,
* Config2 TL, and Config5 L2C are unset.
*/
static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx)
{
if (unlikely((ctx->CP0_Config5 & (1 << CP0C5_NMS)) &&
!(ctx->CP0_Config1 & (1 << CP0C1_DL)) &&
!(ctx->CP0_Config1 & (1 << CP0C1_IL)) &&
!(ctx->CP0_Config2 & (1 << CP0C2_SL)) &&
!(ctx->CP0_Config2 & (1 << CP0C2_TL)) &&
!(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) {
gen_reserved_instruction(ctx);
}
}
/*
* This code generates a "reserved instruction" exception if the
* Config5 EVA bit is NOT set.
*/
static inline void check_eva(DisasContext *ctx)
{
if (unlikely(!(ctx->CP0_Config5 & (1 << CP0C5_EVA)))) {
gen_reserved_instruction(ctx);
}
}
/*
* Define small wrappers for gen_load_fpr* so that we have a uniform
* calling interface for 32 and 64-bit FPRs. No sense in changing
* all callers for gen_load_fpr32 when we need the CTX parameter for
* this one use.
*/
#define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(ctx, x, y)
#define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y)
#define FOP_CONDS(type, abs, fmt, ifmt, bits) \
static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \
int ft, int fs, int cc) \
{ \
TCGv_i##bits fp0 = tcg_temp_new_i##bits(); \
TCGv_i##bits fp1 = tcg_temp_new_i##bits(); \
switch (ifmt) { \
case FMT_PS: \
check_ps(ctx); \
break; \
case FMT_D: \
if (abs) { \
check_cop1x(ctx); \
} \
check_cp1_registers(ctx, fs | ft); \
break; \
case FMT_S: \
if (abs) { \
check_cop1x(ctx); \
} \
break; \
} \
gen_ldcmp_fpr##bits(ctx, fp0, fs); \
gen_ldcmp_fpr##bits(ctx, fp1, ft); \
switch (n) { \
case 0: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); \
break; \
case 1: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); \
break; \
case 2: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); \
break; \
case 3: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); \
break; \
case 4: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); \
break; \
case 5: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); \
break; \
case 6: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); \
break; \
case 7: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); \
break; \
case 8: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); \
break; \
case 9: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); \
break; \
case 10: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); \
break; \
case 11: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); \
break; \
case 12: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); \
break; \
case 13: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); \
break; \
case 14: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); \
break; \
case 15: \
gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); \
break; \
default: \
abort(); \
} \
}
FOP_CONDS(, 0, d, FMT_D, 64)
FOP_CONDS(abs, 1, d, FMT_D, 64)
FOP_CONDS(, 0, s, FMT_S, 32)
FOP_CONDS(abs, 1, s, FMT_S, 32)
FOP_CONDS(, 0, ps, FMT_PS, 64)
FOP_CONDS(abs, 1, ps, FMT_PS, 64)
#undef FOP_CONDS
#define FOP_CONDNS(fmt, ifmt, bits, STORE) \
static inline void gen_r6_cmp_ ## fmt(DisasContext *ctx, int n, \
int ft, int fs, int fd) \
{ \
TCGv_i ## bits fp0 = tcg_temp_new_i ## bits(); \
TCGv_i ## bits fp1 = tcg_temp_new_i ## bits(); \
if (ifmt == FMT_D) { \
check_cp1_registers(ctx, fs | ft | fd); \
} \
gen_ldcmp_fpr ## bits(ctx, fp0, fs); \
gen_ldcmp_fpr ## bits(ctx, fp1, ft); \
switch (n) { \
case 0: \
gen_helper_r6_cmp_ ## fmt ## _af(fp0, tcg_env, fp0, fp1); \
break; \
case 1: \
gen_helper_r6_cmp_ ## fmt ## _un(fp0, tcg_env, fp0, fp1); \
break; \
case 2: \
gen_helper_r6_cmp_ ## fmt ## _eq(fp0, tcg_env, fp0, fp1); \
break; \
case 3: \
gen_helper_r6_cmp_ ## fmt ## _ueq(fp0, tcg_env, fp0, fp1); \
break; \
case 4: \
gen_helper_r6_cmp_ ## fmt ## _lt(fp0, tcg_env, fp0, fp1); \
break; \
case 5: \
gen_helper_r6_cmp_ ## fmt ## _ult(fp0, tcg_env, fp0, fp1); \
break; \
case 6: \
gen_helper_r6_cmp_ ## fmt ## _le(fp0, tcg_env, fp0, fp1); \
break; \
case 7: \
gen_helper_r6_cmp_ ## fmt ## _ule(fp0, tcg_env, fp0, fp1); \
break; \
case 8: \
gen_helper_r6_cmp_ ## fmt ## _saf(fp0, tcg_env, fp0, fp1); \
break; \
case 9: \
gen_helper_r6_cmp_ ## fmt ## _sun(fp0, tcg_env, fp0, fp1); \
break; \
case 10: \
gen_helper_r6_cmp_ ## fmt ## _seq(fp0, tcg_env, fp0, fp1); \
break; \
case 11: \
gen_helper_r6_cmp_ ## fmt ## _sueq(fp0, tcg_env, fp0, fp1); \
break; \
case 12: \
gen_helper_r6_cmp_ ## fmt ## _slt(fp0, tcg_env, fp0, fp1); \
break; \
case 13: \
gen_helper_r6_cmp_ ## fmt ## _sult(fp0, tcg_env, fp0, fp1); \
break; \
case 14: \
gen_helper_r6_cmp_ ## fmt ## _sle(fp0, tcg_env, fp0, fp1); \
break; \
case 15: \
gen_helper_r6_cmp_ ## fmt ## _sule(fp0, tcg_env, fp0, fp1); \
break; \
case 17: \
gen_helper_r6_cmp_ ## fmt ## _or(fp0, tcg_env, fp0, fp1); \
break; \
case 18: \
gen_helper_r6_cmp_ ## fmt ## _une(fp0, tcg_env, fp0, fp1); \
break; \
case 19: \
gen_helper_r6_cmp_ ## fmt ## _ne(fp0, tcg_env, fp0, fp1); \
break; \
case 25: \
gen_helper_r6_cmp_ ## fmt ## _sor(fp0, tcg_env, fp0, fp1); \
break; \
case 26: \
gen_helper_r6_cmp_ ## fmt ## _sune(fp0, tcg_env, fp0, fp1); \
break; \
case 27: \
gen_helper_r6_cmp_ ## fmt ## _sne(fp0, tcg_env, fp0, fp1); \
break; \
default: \
abort(); \
} \
STORE; \
}
FOP_CONDNS(d, FMT_D, 64, gen_store_fpr64(ctx, fp0, fd))
FOP_CONDNS(s, FMT_S, 32, gen_store_fpr32(ctx, fp0, fd))
#undef FOP_CONDNS
#undef gen_ldcmp_fpr32
#undef gen_ldcmp_fpr64
/* load/store instructions. */
#ifdef CONFIG_USER_ONLY
#define OP_LD_ATOMIC(insn, memop) \
static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \
DisasContext *ctx) \
{ \
TCGv t0 = tcg_temp_new(); \
tcg_gen_mov_tl(t0, arg1); \
tcg_gen_qemu_ld_tl(ret, arg1, ctx->mem_idx, memop); \
tcg_gen_st_tl(t0, tcg_env, offsetof(CPUMIPSState, lladdr)); \
tcg_gen_st_tl(ret, tcg_env, offsetof(CPUMIPSState, llval)); \
}
#else
#define OP_LD_ATOMIC(insn, fname) \
static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \
DisasContext *ctx) \
{ \
gen_helper_##insn(ret, tcg_env, arg1, tcg_constant_i32(mem_idx)); \
}
#endif
OP_LD_ATOMIC(ll, MO_TESL);
#if defined(TARGET_MIPS64)
OP_LD_ATOMIC(lld, MO_TEUQ);
#endif
#undef OP_LD_ATOMIC
void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset)
{
if (base == 0) {
tcg_gen_movi_tl(addr, offset);
} else if (offset == 0) {
gen_load_gpr(addr, base);
} else {
tcg_gen_movi_tl(addr, offset);
gen_op_addr_add(ctx, addr, cpu_gpr[base], addr);
}
}
static target_ulong pc_relative_pc(DisasContext *ctx)
{
target_ulong pc = ctx->base.pc_next;
if (ctx->hflags & MIPS_HFLAG_BMASK) {
int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4;
pc -= branch_bytes;
}
pc &= ~(target_ulong)3;
return pc;
}
/* LWL or LDL, depending on MemOp. */
static void gen_lxl(DisasContext *ctx, TCGv reg, TCGv addr,
int mem_idx, MemOp mop)
{
int sizem1 = memop_size(mop) - 1;
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
/*
* Do a byte access to possibly trigger a page
* fault with the unaligned address.
*/
tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB);
tcg_gen_andi_tl(t1, addr, sizem1);
if (!cpu_is_bigendian(ctx)) {
tcg_gen_xori_tl(t1, t1, sizem1);
}
tcg_gen_shli_tl(t1, t1, 3);
tcg_gen_andi_tl(t0, addr, ~sizem1);
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop);
tcg_gen_shl_tl(t0, t0, t1);
tcg_gen_shl_tl(t1, tcg_constant_tl(-1), t1);
tcg_gen_andc_tl(t1, reg, t1);
tcg_gen_or_tl(reg, t0, t1);
}
/* LWR or LDR, depending on MemOp. */
static void gen_lxr(DisasContext *ctx, TCGv reg, TCGv addr,
int mem_idx, MemOp mop)
{
int size = memop_size(mop);
int sizem1 = size - 1;
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
/*
* Do a byte access to possibly trigger a page
* fault with the unaligned address.
*/
tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB);
tcg_gen_andi_tl(t1, addr, sizem1);
if (cpu_is_bigendian(ctx)) {
tcg_gen_xori_tl(t1, t1, sizem1);
}
tcg_gen_shli_tl(t1, t1, 3);
tcg_gen_andi_tl(t0, addr, ~sizem1);
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop);
tcg_gen_shr_tl(t0, t0, t1);
tcg_gen_xori_tl(t1, t1, size * 8 - 1);
tcg_gen_shl_tl(t1, tcg_constant_tl(~1), t1);
tcg_gen_and_tl(t1, reg, t1);
tcg_gen_or_tl(reg, t0, t1);
}
/* Load */
static void gen_ld(DisasContext *ctx, uint32_t opc,
int rt, int base, int offset)
{
TCGv t0, t1;
int mem_idx = ctx->mem_idx;
if (rt == 0 && ctx->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F |
INSN_LOONGSON3A)) {
/*
* Loongson CPU uses a load to zero register for prefetch.
* We emulate it as a NOP. On other CPU we must perform the
* actual memory access.
*/
return;
}
t0 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, base, offset);
switch (opc) {
#if defined(TARGET_MIPS64)
case OPC_LWU:
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
case OPC_LD:
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
case OPC_LLD:
case R6_OPC_LLD:
op_ld_lld(t0, t0, mem_idx, ctx);
gen_store_gpr(t0, rt);
break;
case OPC_LDL:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
gen_lxl(ctx, t1, t0, mem_idx, MO_TEUQ);
gen_store_gpr(t1, rt);
break;
case OPC_LDR:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
gen_lxr(ctx, t1, t0, mem_idx, MO_TEUQ);
gen_store_gpr(t1, rt);
break;
case OPC_LDPC:
t1 = tcg_constant_tl(pc_relative_pc(ctx));
gen_op_addr_add(ctx, t0, t0, t1);
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ);
gen_store_gpr(t0, rt);
break;
#endif
case OPC_LWPC:
t1 = tcg_constant_tl(pc_relative_pc(ctx));
gen_op_addr_add(ctx, t0, t0, t1);
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL);
gen_store_gpr(t0, rt);
break;
case OPC_LWE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LW:
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
case OPC_LHE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LH:
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESW |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
case OPC_LHUE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LHU:
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUW |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
case OPC_LBE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LB:
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_SB);
gen_store_gpr(t0, rt);
break;
case OPC_LBUE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LBU:
tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_UB);
gen_store_gpr(t0, rt);
break;
case OPC_LWLE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LWL:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
gen_lxl(ctx, t1, t0, mem_idx, MO_TEUL);
tcg_gen_ext32s_tl(t1, t1);
gen_store_gpr(t1, rt);
break;
case OPC_LWRE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LWR:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
gen_lxr(ctx, t1, t0, mem_idx, MO_TEUL);
tcg_gen_ext32s_tl(t1, t1);
gen_store_gpr(t1, rt);
break;
case OPC_LLE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_LL:
case R6_OPC_LL:
op_ld_ll(t0, t0, mem_idx, ctx);
gen_store_gpr(t0, rt);
break;
}
}
/* Store */
static void gen_st(DisasContext *ctx, uint32_t opc, int rt,
int base, int offset)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
int mem_idx = ctx->mem_idx;
gen_base_offset_addr(ctx, t0, base, offset);
gen_load_gpr(t1, rt);
switch (opc) {
#if defined(TARGET_MIPS64)
case OPC_SD:
tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
break;
case OPC_SDL:
gen_helper_0e2i(sdl, t1, t0, mem_idx);
break;
case OPC_SDR:
gen_helper_0e2i(sdr, t1, t0, mem_idx);
break;
#endif
case OPC_SWE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_SW:
tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUL |
ctx->default_tcg_memop_mask);
break;
case OPC_SHE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_SH:
tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUW |
ctx->default_tcg_memop_mask);
break;
case OPC_SBE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_SB:
tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_8);
break;
case OPC_SWLE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_SWL:
gen_helper_0e2i(swl, t1, t0, mem_idx);
break;
case OPC_SWRE:
mem_idx = MIPS_HFLAG_UM;
/* fall through */
case OPC_SWR:
gen_helper_0e2i(swr, t1, t0, mem_idx);
break;
}
}
/* Store conditional */
static void gen_st_cond(DisasContext *ctx, int rt, int base, int offset,
MemOp tcg_mo, bool eva)
{
TCGv addr, t0, val;
TCGLabel *l1 = gen_new_label();
TCGLabel *done = gen_new_label();
t0 = tcg_temp_new();
addr = tcg_temp_new();
/* compare the address against that of the preceding LL */
gen_base_offset_addr(ctx, addr, base, offset);
tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1);
tcg_gen_movi_tl(t0, 0);
gen_store_gpr(t0, rt);
tcg_gen_br(done);
gen_set_label(l1);
/* generate cmpxchg */
val = tcg_temp_new();
gen_load_gpr(val, rt);
tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval, val,
eva ? MIPS_HFLAG_UM : ctx->mem_idx, tcg_mo);
tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_llval);
gen_store_gpr(t0, rt);
gen_set_label(done);
}
/* Load and store */
static void gen_flt_ldst(DisasContext *ctx, uint32_t opc, int ft,
TCGv t0)
{
/*
* Don't do NOP if destination is zero: we must perform the actual
* memory access.
*/
switch (opc) {
case OPC_LWC1:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL |
ctx->default_tcg_memop_mask);
gen_store_fpr32(ctx, fp0, ft);
}
break;
case OPC_SWC1:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, ft);
tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL |
ctx->default_tcg_memop_mask);
}
break;
case OPC_LDC1:
{
TCGv_i64 fp0 = tcg_temp_new_i64();
tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_store_fpr64(ctx, fp0, ft);
}
break;
case OPC_SDC1:
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, ft);
tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
}
break;
default:
MIPS_INVAL("flt_ldst");
gen_reserved_instruction(ctx);
break;
}
}
static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt,
int rs, int16_t imm)
{
TCGv t0 = tcg_temp_new();
if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
check_cp1_enabled(ctx);
switch (op) {
case OPC_LDC1:
case OPC_SDC1:
check_insn(ctx, ISA_MIPS2);
/* Fallthrough */
default:
gen_base_offset_addr(ctx, t0, rs, imm);
gen_flt_ldst(ctx, op, rt, t0);
}
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
}
/* Arithmetic with immediate operand */
static void gen_arith_imm(DisasContext *ctx, uint32_t opc,
int rt, int rs, int imm)
{
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
/*
* If no destination, treat it as a NOP.
* For addi, we must generate the overflow exception when needed.
*/
return;
}
switch (opc) {
case OPC_ADDI:
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
gen_load_gpr(t1, rs);
tcg_gen_addi_tl(t0, t1, uimm);
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_xori_tl(t1, t1, ~uimm);
tcg_gen_xori_tl(t2, t0, uimm);
tcg_gen_and_tl(t1, t1, t2);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
tcg_gen_ext32s_tl(t0, t0);
gen_store_gpr(t0, rt);
}
break;
case OPC_ADDIU:
if (rs != 0) {
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
} else {
tcg_gen_movi_tl(cpu_gpr[rt], uimm);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DADDI:
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
gen_load_gpr(t1, rs);
tcg_gen_addi_tl(t0, t1, uimm);
tcg_gen_xori_tl(t1, t1, ~uimm);
tcg_gen_xori_tl(t2, t0, uimm);
tcg_gen_and_tl(t1, t1, t2);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
gen_store_gpr(t0, rt);
}
break;
case OPC_DADDIU:
if (rs != 0) {
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
} else {
tcg_gen_movi_tl(cpu_gpr[rt], uimm);
}
break;
#endif
}
}
/* Logic with immediate operand */
static void gen_logic_imm(DisasContext *ctx, uint32_t opc,
int rt, int rs, int16_t imm)
{
target_ulong uimm;
if (rt == 0) {
/* If no destination, treat it as a NOP. */
return;
}
uimm = (uint16_t)imm;
switch (opc) {
case OPC_ANDI:
if (likely(rs != 0)) {
tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
} else {
tcg_gen_movi_tl(cpu_gpr[rt], 0);
}
break;
case OPC_ORI:
if (rs != 0) {
tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
} else {
tcg_gen_movi_tl(cpu_gpr[rt], uimm);
}
break;
case OPC_XORI:
if (likely(rs != 0)) {
tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
} else {
tcg_gen_movi_tl(cpu_gpr[rt], uimm);
}
break;
case OPC_LUI:
if (rs != 0 && (ctx->insn_flags & ISA_MIPS_R6)) {
/* OPC_AUI */
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], imm << 16);
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
} else {
tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
}
break;
default:
break;
}
}
/* Set on less than with immediate operand */
static void gen_slt_imm(DisasContext *ctx, uint32_t opc,
int rt, int rs, int16_t imm)
{
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
TCGv t0;
if (rt == 0) {
/* If no destination, treat it as a NOP. */
return;
}
t0 = tcg_temp_new();
gen_load_gpr(t0, rs);
switch (opc) {
case OPC_SLTI:
tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm);
break;
case OPC_SLTIU:
tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm);
break;
}
}
/* Shifts with immediate operand */
static void gen_shift_imm(DisasContext *ctx, uint32_t opc,
int rt, int rs, int16_t imm)
{
target_ulong uimm = ((uint16_t)imm) & 0x1f;
TCGv t0;
if (rt == 0) {
/* If no destination, treat it as a NOP. */
return;
}
t0 = tcg_temp_new();
gen_load_gpr(t0, rs);
switch (opc) {
case OPC_SLL:
tcg_gen_shli_tl(t0, t0, uimm);
tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
break;
case OPC_SRA:
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
break;
case OPC_SRL:
if (uimm != 0) {
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
} else {
tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
}
break;
case OPC_ROTR:
if (uimm != 0) {
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t1, t0);
tcg_gen_rotri_i32(t1, t1, uimm);
tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
} else {
tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DSLL:
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
break;
case OPC_DSRA:
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
break;
case OPC_DSRL:
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
break;
case OPC_DROTR:
if (uimm != 0) {
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
} else {
tcg_gen_mov_tl(cpu_gpr[rt], t0);
}
break;
case OPC_DSLL32:
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
break;
case OPC_DSRA32:
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
break;
case OPC_DSRL32:
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
break;
case OPC_DROTR32:
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
break;
#endif
}
}
/* Arithmetic */
static void gen_arith(DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
&& opc != OPC_DADD && opc != OPC_DSUB) {
/*
* If no destination, treat it as a NOP.
* For add & sub, we must generate the overflow exception when needed.
*/
return;
}
switch (opc) {
case OPC_ADD:
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
gen_load_gpr(t1, rs);
gen_load_gpr(t2, rt);
tcg_gen_add_tl(t0, t1, t2);
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_xor_tl(t1, t1, t2);
tcg_gen_xor_tl(t2, t0, t2);
tcg_gen_andc_tl(t1, t2, t1);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
gen_store_gpr(t0, rd);
}
break;
case OPC_ADDU:
if (rs != 0 && rt != 0) {
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
} else if (rs == 0 && rt != 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
} else if (rs != 0 && rt == 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
case OPC_SUB:
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
gen_load_gpr(t1, rs);
gen_load_gpr(t2, rt);
tcg_gen_sub_tl(t0, t1, t2);
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_xor_tl(t2, t1, t2);
tcg_gen_xor_tl(t1, t0, t1);
tcg_gen_and_tl(t1, t1, t2);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
/*
* operands of different sign, first operand and the result
* of different sign
*/
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
gen_store_gpr(t0, rd);
}
break;
case OPC_SUBU:
if (rs != 0 && rt != 0) {
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
} else if (rs == 0 && rt != 0) {
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
} else if (rs != 0 && rt == 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DADD:
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
gen_load_gpr(t1, rs);
gen_load_gpr(t2, rt);
tcg_gen_add_tl(t0, t1, t2);
tcg_gen_xor_tl(t1, t1, t2);
tcg_gen_xor_tl(t2, t0, t2);
tcg_gen_andc_tl(t1, t2, t1);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
gen_store_gpr(t0, rd);
}
break;
case OPC_DADDU:
if (rs != 0 && rt != 0) {
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
} else if (rs == 0 && rt != 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
} else if (rs != 0 && rt == 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
case OPC_DSUB:
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
TCGLabel *l1 = gen_new_label();
gen_load_gpr(t1, rs);
gen_load_gpr(t2, rt);
tcg_gen_sub_tl(t0, t1, t2);
tcg_gen_xor_tl(t2, t1, t2);
tcg_gen_xor_tl(t1, t0, t1);
tcg_gen_and_tl(t1, t1, t2);
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
/*
* Operands of different sign, first operand and result different
* sign.
*/
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
gen_store_gpr(t0, rd);
}
break;
case OPC_DSUBU:
if (rs != 0 && rt != 0) {
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
} else if (rs == 0 && rt != 0) {
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
} else if (rs != 0 && rt == 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
#endif
case OPC_MUL:
if (likely(rs != 0 && rt != 0)) {
tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
}
}
/* Conditional move */
static void gen_cond_move(DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
TCGv t0, t1, t2;
if (rd == 0) {
/* If no destination, treat it as a NOP. */
return;
}
t0 = tcg_temp_new();
gen_load_gpr(t0, rt);
t1 = tcg_constant_tl(0);
t2 = tcg_temp_new();
gen_load_gpr(t2, rs);
switch (opc) {
case OPC_MOVN:
tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
break;
case OPC_MOVZ:
tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]);
break;
case OPC_SELNEZ:
tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, t1);
break;
case OPC_SELEQZ:
tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, t1);
break;
}
}
/* Logic */
static void gen_logic(DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
if (rd == 0) {
/* If no destination, treat it as a NOP. */
return;
}
switch (opc) {
case OPC_AND:
if (likely(rs != 0 && rt != 0)) {
tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
case OPC_NOR:
if (rs != 0 && rt != 0) {
tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
} else if (rs == 0 && rt != 0) {
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
} else if (rs != 0 && rt == 0) {
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
}
break;
case OPC_OR:
if (likely(rs != 0 && rt != 0)) {
tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
} else if (rs == 0 && rt != 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
} else if (rs != 0 && rt == 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
case OPC_XOR:
if (likely(rs != 0 && rt != 0)) {
tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
} else if (rs == 0 && rt != 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
} else if (rs != 0 && rt == 0) {
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
} else {
tcg_gen_movi_tl(cpu_gpr[rd], 0);
}
break;
}
}
/* Set on lower than */
static void gen_slt(DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
TCGv t0, t1;
if (rd == 0) {
/* If no destination, treat it as a NOP. */
return;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
switch (opc) {
case OPC_SLT:
tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1);
break;
case OPC_SLTU:
tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1);
break;
}
}
/* Shifts */
static void gen_shift(DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
TCGv t0, t1;
if (rd == 0) {
/*
* If no destination, treat it as a NOP.
* For add & sub, we must generate the overflow exception when needed.
*/
return;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
switch (opc) {
case OPC_SLLV:
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_shl_tl(t0, t1, t0);
tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
break;
case OPC_SRAV:
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
break;
case OPC_SRLV:
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_andi_tl(t0, t0, 0x1f);
tcg_gen_shr_tl(t0, t1, t0);
tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
break;
case OPC_ROTRV:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_andi_i32(t2, t2, 0x1f);
tcg_gen_rotr_i32(t2, t3, t2);
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DSLLV:
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
break;
case OPC_DSRAV:
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
break;
case OPC_DSRLV:
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
break;
case OPC_DROTRV:
tcg_gen_andi_tl(t0, t0, 0x3f);
tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
break;
#endif
}
}
/* Arithmetic on HI/LO registers */
static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg)
{
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
/* Treat as NOP. */
return;
}
if (acc != 0) {
check_dsp(ctx);
}
switch (opc) {
case OPC_MFHI:
#if defined(TARGET_MIPS64)
if (acc != 0) {
tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]);
} else
#endif
{
tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]);
}
break;
case OPC_MFLO:
#if defined(TARGET_MIPS64)
if (acc != 0) {
tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]);
} else
#endif
{
tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]);
}
break;
case OPC_MTHI:
if (reg != 0) {
#if defined(TARGET_MIPS64)
if (acc != 0) {
tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]);
} else
#endif
{
tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]);
}
} else {
tcg_gen_movi_tl(cpu_HI[acc], 0);
}
break;
case OPC_MTLO:
if (reg != 0) {
#if defined(TARGET_MIPS64)
if (acc != 0) {
tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]);
} else
#endif
{
tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]);
}
} else {
tcg_gen_movi_tl(cpu_LO[acc], 0);
}
break;
}
}
static inline void gen_r6_ld(target_long addr, int reg, int memidx,
MemOp memop)
{
TCGv t0 = tcg_temp_new();
tcg_gen_qemu_ld_tl(t0, tcg_constant_tl(addr), memidx, memop);
gen_store_gpr(t0, reg);
}
static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc,
int rs)
{
target_long offset;
target_long addr;
switch (MASK_OPC_PCREL_TOP2BITS(opc)) {
case OPC_ADDIUPC:
if (rs != 0) {
offset = sextract32(ctx->opcode << 2, 0, 21);
addr = addr_add(ctx, pc, offset);
tcg_gen_movi_tl(cpu_gpr[rs], addr);
}
break;
case R6_OPC_LWPC:
offset = sextract32(ctx->opcode << 2, 0, 21);
addr = addr_add(ctx, pc, offset);
gen_r6_ld(addr, rs, ctx->mem_idx, MO_TESL);
break;
#if defined(TARGET_MIPS64)
case OPC_LWUPC:
check_mips_64(ctx);
offset = sextract32(ctx->opcode << 2, 0, 21);
addr = addr_add(ctx, pc, offset);
gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUL);
break;
#endif
default:
switch (MASK_OPC_PCREL_TOP5BITS(opc)) {
case OPC_AUIPC:
if (rs != 0) {
offset = sextract32(ctx->opcode, 0, 16) << 16;
addr = addr_add(ctx, pc, offset);
tcg_gen_movi_tl(cpu_gpr[rs], addr);
}
break;
case OPC_ALUIPC:
if (rs != 0) {
offset = sextract32(ctx->opcode, 0, 16) << 16;
addr = ~0xFFFF & addr_add(ctx, pc, offset);
tcg_gen_movi_tl(cpu_gpr[rs], addr);
}
break;
#if defined(TARGET_MIPS64)
case R6_OPC_LDPC: /* bits 16 and 17 are part of immediate */
case R6_OPC_LDPC + (1 << 16):
case R6_OPC_LDPC + (2 << 16):
case R6_OPC_LDPC + (3 << 16):
check_mips_64(ctx);
offset = sextract32(ctx->opcode << 3, 0, 21);
addr = addr_add(ctx, (pc & ~0x7), offset);
gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUQ);
break;
#endif
default:
MIPS_INVAL("OPC_PCREL");
gen_reserved_instruction(ctx);
break;
}
break;
}
}
static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt)
{
TCGv t0, t1;
if (rd == 0) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
switch (opc) {
case R6_OPC_DIV:
{
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
tcg_gen_and_tl(t2, t2, t3);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
tcg_gen_or_tl(t2, t2, t3);
tcg_gen_movi_tl(t3, 0);
tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
}
break;
case R6_OPC_MOD:
{
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
tcg_gen_and_tl(t2, t2, t3);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
tcg_gen_or_tl(t2, t2, t3);
tcg_gen_movi_tl(t3, 0);
tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
}
break;
case R6_OPC_DIVU:
{
TCGv t2 = tcg_constant_tl(0);
TCGv t3 = tcg_constant_tl(1);
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
}
break;
case R6_OPC_MODU:
{
TCGv t2 = tcg_constant_tl(0);
TCGv t3 = tcg_constant_tl(1);
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
}
break;
case R6_OPC_MUL:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_mul_i32(t2, t2, t3);
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
}
break;
case R6_OPC_MUH:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_muls2_i32(t2, t3, t2, t3);
tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
}
break;
case R6_OPC_MULU:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_mul_i32(t2, t2, t3);
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
}
break;
case R6_OPC_MUHU:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_mulu2_i32(t2, t3, t2, t3);
tcg_gen_ext_i32_tl(cpu_gpr[rd], t3);
}
break;
#if defined(TARGET_MIPS64)
case R6_OPC_DDIV:
{
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
tcg_gen_and_tl(t2, t2, t3);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
tcg_gen_or_tl(t2, t2, t3);
tcg_gen_movi_tl(t3, 0);
tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
}
break;
case R6_OPC_DMOD:
{
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
tcg_gen_and_tl(t2, t2, t3);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
tcg_gen_or_tl(t2, t2, t3);
tcg_gen_movi_tl(t3, 0);
tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
}
break;
case R6_OPC_DDIVU:
{
TCGv t2 = tcg_constant_tl(0);
TCGv t3 = tcg_constant_tl(1);
tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
tcg_gen_divu_i64(cpu_gpr[rd], t0, t1);
}
break;
case R6_OPC_DMODU:
{
TCGv t2 = tcg_constant_tl(0);
TCGv t3 = tcg_constant_tl(1);
tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
tcg_gen_remu_i64(cpu_gpr[rd], t0, t1);
}
break;
case R6_OPC_DMUL:
tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
break;
case R6_OPC_DMUH:
{
TCGv t2 = tcg_temp_new();
tcg_gen_muls2_i64(t2, cpu_gpr[rd], t0, t1);
}
break;
case R6_OPC_DMULU:
tcg_gen_mul_i64(cpu_gpr[rd], t0, t1);
break;
case R6_OPC_DMUHU:
{
TCGv t2 = tcg_temp_new();
tcg_gen_mulu2_i64(t2, cpu_gpr[rd], t0, t1);
}
break;
#endif
default:
MIPS_INVAL("r6 mul/div");
gen_reserved_instruction(ctx);
break;
}
}
#if defined(TARGET_MIPS64)
static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt)
{
TCGv t0, t1;
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
switch (opc) {
case MMI_OPC_DIV1:
{
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
tcg_gen_and_tl(t2, t2, t3);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
tcg_gen_or_tl(t2, t2, t3);
tcg_gen_movi_tl(t3, 0);
tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
tcg_gen_div_tl(cpu_LO[1], t0, t1);
tcg_gen_rem_tl(cpu_HI[1], t0, t1);
tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]);
tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]);
}
break;
case MMI_OPC_DIVU1:
{
TCGv t2 = tcg_constant_tl(0);
TCGv t3 = tcg_constant_tl(1);
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
tcg_gen_divu_tl(cpu_LO[1], t0, t1);
tcg_gen_remu_tl(cpu_HI[1], t0, t1);
tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]);
tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]);
}
break;
default:
MIPS_INVAL("div1 TX79");
gen_reserved_instruction(ctx);
break;
}
}
#endif
static void gen_muldiv(DisasContext *ctx, uint32_t opc,
int acc, int rs, int rt)
{
TCGv t0, t1;
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
if (acc != 0) {
check_dsp(ctx);
}
switch (opc) {
case OPC_DIV:
{
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1);
tcg_gen_and_tl(t2, t2, t3);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
tcg_gen_or_tl(t2, t2, t3);
tcg_gen_movi_tl(t3, 0);
tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
tcg_gen_div_tl(cpu_LO[acc], t0, t1);
tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
}
break;
case OPC_DIVU:
{
TCGv t2 = tcg_constant_tl(0);
TCGv t3 = tcg_constant_tl(1);
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
tcg_gen_divu_tl(cpu_LO[acc], t0, t1);
tcg_gen_remu_tl(cpu_HI[acc], t0, t1);
tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]);
tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]);
}
break;
case OPC_MULT:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_muls2_i32(t2, t3, t2, t3);
tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
}
break;
case OPC_MULTU:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_mulu2_i32(t2, t3, t2, t3);
tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DDIV:
{
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL);
tcg_gen_and_tl(t2, t2, t3);
tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0);
tcg_gen_or_tl(t2, t2, t3);
tcg_gen_movi_tl(t3, 0);
tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1);
tcg_gen_div_tl(cpu_LO[acc], t0, t1);
tcg_gen_rem_tl(cpu_HI[acc], t0, t1);
}
break;
case OPC_DDIVU:
{
TCGv t2 = tcg_constant_tl(0);
TCGv t3 = tcg_constant_tl(1);
tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1);
tcg_gen_divu_i64(cpu_LO[acc], t0, t1);
tcg_gen_remu_i64(cpu_HI[acc], t0, t1);
}
break;
case OPC_DMULT:
tcg_gen_muls2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
break;
case OPC_DMULTU:
tcg_gen_mulu2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1);
break;
#endif
case OPC_MADD:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext_tl_i64(t2, t0);
tcg_gen_ext_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_add_i64(t2, t2, t3);
gen_move_low32(cpu_LO[acc], t2);
gen_move_high32(cpu_HI[acc], t2);
}
break;
case OPC_MADDU:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_extu_tl_i64(t2, t0);
tcg_gen_extu_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_add_i64(t2, t2, t3);
gen_move_low32(cpu_LO[acc], t2);
gen_move_high32(cpu_HI[acc], t2);
}
break;
case OPC_MSUB:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext_tl_i64(t2, t0);
tcg_gen_ext_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_sub_i64(t2, t3, t2);
gen_move_low32(cpu_LO[acc], t2);
gen_move_high32(cpu_HI[acc], t2);
}
break;
case OPC_MSUBU:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_extu_tl_i64(t2, t0);
tcg_gen_extu_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_sub_i64(t2, t3, t2);
gen_move_low32(cpu_LO[acc], t2);
gen_move_high32(cpu_HI[acc], t2);
}
break;
default:
MIPS_INVAL("mul/div");
gen_reserved_instruction(ctx);
break;
}
}
/*
* These MULT[U] and MADD[U] instructions implemented in for example
* the Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core
* architectures are special three-operand variants with the syntax
*
* MULT[U][1] rd, rs, rt
*
* such that
*
* (rd, LO, HI) <- rs * rt
*
* and
*
* MADD[U][1] rd, rs, rt
*
* such that
*
* (rd, LO, HI) <- (LO, HI) + rs * rt
*
* where the low-order 32-bits of the result is placed into both the
* GPR rd and the special register LO. The high-order 32-bits of the
* result is placed into the special register HI.
*
* If the GPR rd is omitted in assembly language, it is taken to be 0,
* which is the zero register that always reads as 0.
*/
static void gen_mul_txx9(DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
int acc = 0;
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
switch (opc) {
case MMI_OPC_MULT1:
acc = 1;
/* Fall through */
case OPC_MULT:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_muls2_i32(t2, t3, t2, t3);
if (rd) {
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
}
tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
}
break;
case MMI_OPC_MULTU1:
acc = 1;
/* Fall through */
case OPC_MULTU:
{
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t2, t0);
tcg_gen_trunc_tl_i32(t3, t1);
tcg_gen_mulu2_i32(t2, t3, t2, t3);
if (rd) {
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
}
tcg_gen_ext_i32_tl(cpu_LO[acc], t2);
tcg_gen_ext_i32_tl(cpu_HI[acc], t3);
}
break;
case MMI_OPC_MADD1:
acc = 1;
/* Fall through */
case MMI_OPC_MADD:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext_tl_i64(t2, t0);
tcg_gen_ext_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_add_i64(t2, t2, t3);
gen_move_low32(cpu_LO[acc], t2);
gen_move_high32(cpu_HI[acc], t2);
if (rd) {
gen_move_low32(cpu_gpr[rd], t2);
}
}
break;
case MMI_OPC_MADDU1:
acc = 1;
/* Fall through */
case MMI_OPC_MADDU:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_extu_tl_i64(t2, t0);
tcg_gen_extu_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_add_i64(t2, t2, t3);
gen_move_low32(cpu_LO[acc], t2);
gen_move_high32(cpu_HI[acc], t2);
if (rd) {
gen_move_low32(cpu_gpr[rd], t2);
}
}
break;
default:
MIPS_INVAL("mul/madd TXx9");
gen_reserved_instruction(ctx);
break;
}
}
static void gen_cl(DisasContext *ctx, uint32_t opc,
int rd, int rs)
{
TCGv t0;
if (rd == 0) {
/* Treat as NOP. */
return;
}
t0 = cpu_gpr[rd];
gen_load_gpr(t0, rs);
switch (opc) {
case OPC_CLO:
case R6_OPC_CLO:
#if defined(TARGET_MIPS64)
case OPC_DCLO:
case R6_OPC_DCLO:
#endif
tcg_gen_not_tl(t0, t0);
break;
}
switch (opc) {
case OPC_CLO:
case R6_OPC_CLO:
case OPC_CLZ:
case R6_OPC_CLZ:
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_clzi_tl(t0, t0, TARGET_LONG_BITS);
tcg_gen_subi_tl(t0, t0, TARGET_LONG_BITS - 32);
break;
#if defined(TARGET_MIPS64)
case OPC_DCLO:
case R6_OPC_DCLO:
case OPC_DCLZ:
case R6_OPC_DCLZ:
tcg_gen_clzi_i64(t0, t0, 64);
break;
#endif
}
}
/* Godson integer instructions */
static void gen_loongson_integer(DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
TCGv t0, t1;
if (rd == 0) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
switch (opc) {
case OPC_MULT_G_2E:
case OPC_MULT_G_2F:
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
break;
case OPC_MULTU_G_2E:
case OPC_MULTU_G_2F:
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
break;
case OPC_DIV_G_2E:
case OPC_DIV_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
TCGLabel *l3 = gen_new_label();
tcg_gen_ext32s_tl(t0, t0);
tcg_gen_ext32s_tl(t1, t1);
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l3);
gen_set_label(l1);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
tcg_gen_mov_tl(cpu_gpr[rd], t0);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
gen_set_label(l3);
}
break;
case OPC_DIVU_G_2E:
case OPC_DIVU_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
gen_set_label(l2);
}
break;
case OPC_MOD_G_2E:
case OPC_MOD_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
TCGLabel *l3 = gen_new_label();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
gen_set_label(l3);
}
break;
case OPC_MODU_G_2E:
case OPC_MODU_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
gen_set_label(l2);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DMULT_G_2E:
case OPC_DMULT_G_2F:
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
break;
case OPC_DMULTU_G_2E:
case OPC_DMULTU_G_2F:
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
break;
case OPC_DDIV_G_2E:
case OPC_DDIV_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
TCGLabel *l3 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l3);
gen_set_label(l1);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
tcg_gen_mov_tl(cpu_gpr[rd], t0);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
gen_set_label(l3);
}
break;
case OPC_DDIVU_G_2E:
case OPC_DDIVU_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
gen_set_label(l2);
}
break;
case OPC_DMOD_G_2E:
case OPC_DMOD_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
TCGLabel *l3 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
gen_set_label(l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
gen_set_label(l3);
}
break;
case OPC_DMODU_G_2E:
case OPC_DMODU_G_2F:
{
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
tcg_gen_movi_tl(cpu_gpr[rd], 0);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
gen_set_label(l2);
}
break;
#endif
}
}
/* Loongson multimedia instructions */
static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt)
{
uint32_t opc, shift_max;
TCGv_i64 t0, t1;
TCGCond cond;
opc = MASK_LMMI(ctx->opcode);
check_cp1_enabled(ctx);
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, t0, rs);
gen_load_fpr64(ctx, t1, rt);
switch (opc) {
case OPC_PADDSH:
gen_helper_paddsh(t0, t0, t1);
break;
case OPC_PADDUSH:
gen_helper_paddush(t0, t0, t1);
break;
case OPC_PADDH:
gen_helper_paddh(t0, t0, t1);
break;
case OPC_PADDW:
gen_helper_paddw(t0, t0, t1);
break;
case OPC_PADDSB:
gen_helper_paddsb(t0, t0, t1);
break;
case OPC_PADDUSB:
gen_helper_paddusb(t0, t0, t1);
break;
case OPC_PADDB:
gen_helper_paddb(t0, t0, t1);
break;
case OPC_PSUBSH:
gen_helper_psubsh(t0, t0, t1);
break;
case OPC_PSUBUSH:
gen_helper_psubush(t0, t0, t1);
break;
case OPC_PSUBH:
gen_helper_psubh(t0, t0, t1);
break;
case OPC_PSUBW:
gen_helper_psubw(t0, t0, t1);
break;
case OPC_PSUBSB:
gen_helper_psubsb(t0, t0, t1);
break;
case OPC_PSUBUSB:
gen_helper_psubusb(t0, t0, t1);
break;
case OPC_PSUBB:
gen_helper_psubb(t0, t0, t1);
break;
case OPC_PSHUFH:
gen_helper_pshufh(t0, t0, t1);
break;
case OPC_PACKSSWH:
gen_helper_packsswh(t0, t0, t1);
break;
case OPC_PACKSSHB:
gen_helper_packsshb(t0, t0, t1);
break;
case OPC_PACKUSHB:
gen_helper_packushb(t0, t0, t1);
break;
case OPC_PUNPCKLHW:
gen_helper_punpcklhw(t0, t0, t1);
break;
case OPC_PUNPCKHHW:
gen_helper_punpckhhw(t0, t0, t1);
break;
case OPC_PUNPCKLBH:
gen_helper_punpcklbh(t0, t0, t1);
break;
case OPC_PUNPCKHBH:
gen_helper_punpckhbh(t0, t0, t1);
break;
case OPC_PUNPCKLWD:
gen_helper_punpcklwd(t0, t0, t1);
break;
case OPC_PUNPCKHWD:
gen_helper_punpckhwd(t0, t0, t1);
break;
case OPC_PAVGH:
gen_helper_pavgh(t0, t0, t1);
break;
case OPC_PAVGB:
gen_helper_pavgb(t0, t0, t1);
break;
case OPC_PMAXSH:
gen_helper_pmaxsh(t0, t0, t1);
break;
case OPC_PMINSH:
gen_helper_pminsh(t0, t0, t1);
break;
case OPC_PMAXUB:
gen_helper_pmaxub(t0, t0, t1);
break;
case OPC_PMINUB:
gen_helper_pminub(t0, t0, t1);
break;
case OPC_PCMPEQW:
gen_helper_pcmpeqw(t0, t0, t1);
break;
case OPC_PCMPGTW:
gen_helper_pcmpgtw(t0, t0, t1);
break;
case OPC_PCMPEQH:
gen_helper_pcmpeqh(t0, t0, t1);
break;
case OPC_PCMPGTH:
gen_helper_pcmpgth(t0, t0, t1);
break;
case OPC_PCMPEQB:
gen_helper_pcmpeqb(t0, t0, t1);
break;
case OPC_PCMPGTB:
gen_helper_pcmpgtb(t0, t0, t1);
break;
case OPC_PSLLW:
gen_helper_psllw(t0, t0, t1);
break;
case OPC_PSLLH:
gen_helper_psllh(t0, t0, t1);
break;
case OPC_PSRLW:
gen_helper_psrlw(t0, t0, t1);
break;
case OPC_PSRLH:
gen_helper_psrlh(t0, t0, t1);
break;
case OPC_PSRAW:
gen_helper_psraw(t0, t0, t1);
break;
case OPC_PSRAH:
gen_helper_psrah(t0, t0, t1);
break;
case OPC_PMULLH:
gen_helper_pmullh(t0, t0, t1);
break;
case OPC_PMULHH:
gen_helper_pmulhh(t0, t0, t1);
break;
case OPC_PMULHUH:
gen_helper_pmulhuh(t0, t0, t1);
break;
case OPC_PMADDHW:
gen_helper_pmaddhw(t0, t0, t1);
break;
case OPC_PASUBUB:
gen_helper_pasubub(t0, t0, t1);
break;
case OPC_BIADD:
gen_helper_biadd(t0, t0);
break;
case OPC_PMOVMSKB:
gen_helper_pmovmskb(t0, t0);
break;
case OPC_PADDD:
tcg_gen_add_i64(t0, t0, t1);
break;
case OPC_PSUBD:
tcg_gen_sub_i64(t0, t0, t1);
break;
case OPC_XOR_CP2:
tcg_gen_xor_i64(t0, t0, t1);
break;
case OPC_NOR_CP2:
tcg_gen_nor_i64(t0, t0, t1);
break;
case OPC_AND_CP2:
tcg_gen_and_i64(t0, t0, t1);
break;
case OPC_OR_CP2:
tcg_gen_or_i64(t0, t0, t1);
break;
case OPC_PANDN:
tcg_gen_andc_i64(t0, t1, t0);
break;
case OPC_PINSRH_0:
tcg_gen_deposit_i64(t0, t0, t1, 0, 16);
break;
case OPC_PINSRH_1:
tcg_gen_deposit_i64(t0, t0, t1, 16, 16);
break;
case OPC_PINSRH_2:
tcg_gen_deposit_i64(t0, t0, t1, 32, 16);
break;
case OPC_PINSRH_3:
tcg_gen_deposit_i64(t0, t0, t1, 48, 16);
break;
case OPC_PEXTRH:
tcg_gen_andi_i64(t1, t1, 3);
tcg_gen_shli_i64(t1, t1, 4);
tcg_gen_shr_i64(t0, t0, t1);
tcg_gen_ext16u_i64(t0, t0);
break;
case OPC_ADDU_CP2:
tcg_gen_add_i64(t0, t0, t1);
tcg_gen_ext32s_i64(t0, t0);
break;
case OPC_SUBU_CP2:
tcg_gen_sub_i64(t0, t0, t1);
tcg_gen_ext32s_i64(t0, t0);
break;
case OPC_SLL_CP2:
shift_max = 32;
goto do_shift;
case OPC_SRL_CP2:
shift_max = 32;
goto do_shift;
case OPC_SRA_CP2:
shift_max = 32;
goto do_shift;
case OPC_DSLL_CP2:
shift_max = 64;
goto do_shift;
case OPC_DSRL_CP2:
shift_max = 64;
goto do_shift;
case OPC_DSRA_CP2:
shift_max = 64;
goto do_shift;
do_shift:
/* Make sure shift count isn't TCG undefined behaviour. */
tcg_gen_andi_i64(t1, t1, shift_max - 1);
switch (opc) {
case OPC_SLL_CP2:
case OPC_DSLL_CP2:
tcg_gen_shl_i64(t0, t0, t1);
break;
case OPC_SRA_CP2:
case OPC_DSRA_CP2:
/*
* Since SRA is UndefinedResult without sign-extended inputs,
* we can treat SRA and DSRA the same.
*/
tcg_gen_sar_i64(t0, t0, t1);
break;
case OPC_SRL_CP2:
/* We want to shift in zeros for SRL; zero-extend first. */
tcg_gen_ext32u_i64(t0, t0);
/* FALLTHRU */
case OPC_DSRL_CP2:
tcg_gen_shr_i64(t0, t0, t1);
break;
}
if (shift_max == 32) {
tcg_gen_ext32s_i64(t0, t0);
}
/* Shifts larger than MAX produce zero. */
tcg_gen_setcondi_i64(TCG_COND_LTU, t1, t1, shift_max);
tcg_gen_neg_i64(t1, t1);
tcg_gen_and_i64(t0, t0, t1);
break;
case OPC_ADD_CP2:
case OPC_DADD_CP2:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGLabel *lab = gen_new_label();
tcg_gen_mov_i64(t2, t0);
tcg_gen_add_i64(t0, t1, t2);
if (opc == OPC_ADD_CP2) {
tcg_gen_ext32s_i64(t0, t0);
}
tcg_gen_xor_i64(t1, t1, t2);
tcg_gen_xor_i64(t2, t2, t0);
tcg_gen_andc_i64(t1, t2, t1);
tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(lab);
break;
}
case OPC_SUB_CP2:
case OPC_DSUB_CP2:
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGLabel *lab = gen_new_label();
tcg_gen_mov_i64(t2, t0);
tcg_gen_sub_i64(t0, t1, t2);
if (opc == OPC_SUB_CP2) {
tcg_gen_ext32s_i64(t0, t0);
}
tcg_gen_xor_i64(t1, t1, t2);
tcg_gen_xor_i64(t2, t2, t0);
tcg_gen_and_i64(t1, t1, t2);
tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab);
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(lab);
break;
}
case OPC_PMULUW:
tcg_gen_ext32u_i64(t0, t0);
tcg_gen_ext32u_i64(t1, t1);
tcg_gen_mul_i64(t0, t0, t1);
break;
case OPC_SEQU_CP2:
case OPC_SEQ_CP2:
cond = TCG_COND_EQ;
goto do_cc_cond;
break;
case OPC_SLTU_CP2:
cond = TCG_COND_LTU;
goto do_cc_cond;
break;
case OPC_SLT_CP2:
cond = TCG_COND_LT;
goto do_cc_cond;
break;
case OPC_SLEU_CP2:
cond = TCG_COND_LEU;
goto do_cc_cond;
break;
case OPC_SLE_CP2:
cond = TCG_COND_LE;
do_cc_cond:
{
int cc = (ctx->opcode >> 8) & 0x7;
TCGv_i64 t64 = tcg_temp_new_i64();
TCGv_i32 t32 = tcg_temp_new_i32();
tcg_gen_setcond_i64(cond, t64, t0, t1);
tcg_gen_extrl_i64_i32(t32, t64);
tcg_gen_deposit_i32(fpu_fcr31, fpu_fcr31, t32,
get_fp_bit(cc), 1);
}
return;
default:
MIPS_INVAL("loongson_cp2");
gen_reserved_instruction(ctx);
return;
}
gen_store_fpr64(ctx, t0, rd);
}
static void gen_loongson_lswc2(DisasContext *ctx, int rt,
int rs, int rd)
{
TCGv t0, t1;
TCGv_i32 fp0;
#if defined(TARGET_MIPS64)
int lsq_rt1 = ctx->opcode & 0x1f;
int lsq_offset = sextract32(ctx->opcode, 6, 9) << 4;
#endif
int shf_offset = sextract32(ctx->opcode, 6, 8);
t0 = tcg_temp_new();
switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) {
#if defined(TARGET_MIPS64)
case OPC_GSLQ:
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, lsq_offset);
tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_store_gpr(t1, rt);
gen_store_gpr(t0, lsq_rt1);
break;
case OPC_GSLQC1:
check_cp1_enabled(ctx);
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, lsq_offset);
tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_store_fpr64(ctx, t1, rt);
gen_store_fpr64(ctx, t0, lsq_rt1);
break;
case OPC_GSSQ:
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, lsq_offset);
gen_load_gpr(t1, rt);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
gen_load_gpr(t1, lsq_rt1);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
break;
case OPC_GSSQC1:
check_cp1_enabled(ctx);
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, lsq_offset);
gen_load_fpr64(ctx, t1, rt);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8);
gen_load_fpr64(ctx, t1, lsq_rt1);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
break;
#endif
case OPC_GSSHFL:
switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) {
case OPC_GSLWLC1:
check_cp1_enabled(ctx);
gen_base_offset_addr(ctx, t0, rs, shf_offset);
fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, rt);
t1 = tcg_temp_new();
tcg_gen_ext_i32_tl(t1, fp0);
gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUL);
tcg_gen_trunc_tl_i32(fp0, t1);
gen_store_fpr32(ctx, fp0, rt);
break;
case OPC_GSLWRC1:
check_cp1_enabled(ctx);
gen_base_offset_addr(ctx, t0, rs, shf_offset);
fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, rt);
t1 = tcg_temp_new();
tcg_gen_ext_i32_tl(t1, fp0);
gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUL);
tcg_gen_trunc_tl_i32(fp0, t1);
gen_store_fpr32(ctx, fp0, rt);
break;
#if defined(TARGET_MIPS64)
case OPC_GSLDLC1:
check_cp1_enabled(ctx);
gen_base_offset_addr(ctx, t0, rs, shf_offset);
t1 = tcg_temp_new();
gen_load_fpr64(ctx, t1, rt);
gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUQ);
gen_store_fpr64(ctx, t1, rt);
break;
case OPC_GSLDRC1:
check_cp1_enabled(ctx);
gen_base_offset_addr(ctx, t0, rs, shf_offset);
t1 = tcg_temp_new();
gen_load_fpr64(ctx, t1, rt);
gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUQ);
gen_store_fpr64(ctx, t1, rt);
break;
#endif
default:
MIPS_INVAL("loongson_gsshfl");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_GSSHFS:
switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) {
case OPC_GSSWLC1:
check_cp1_enabled(ctx);
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, shf_offset);
fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, rt);
tcg_gen_ext_i32_tl(t1, fp0);
gen_helper_0e2i(swl, t1, t0, ctx->mem_idx);
break;
case OPC_GSSWRC1:
check_cp1_enabled(ctx);
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, shf_offset);
fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, rt);
tcg_gen_ext_i32_tl(t1, fp0);
gen_helper_0e2i(swr, t1, t0, ctx->mem_idx);
break;
#if defined(TARGET_MIPS64)
case OPC_GSSDLC1:
check_cp1_enabled(ctx);
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, shf_offset);
gen_load_fpr64(ctx, t1, rt);
gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx);
break;
case OPC_GSSDRC1:
check_cp1_enabled(ctx);
t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, shf_offset);
gen_load_fpr64(ctx, t1, rt);
gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx);
break;
#endif
default:
MIPS_INVAL("loongson_gsshfs");
gen_reserved_instruction(ctx);
break;
}
break;
default:
MIPS_INVAL("loongson_gslsq");
gen_reserved_instruction(ctx);
break;
}
}
/* Loongson EXT LDC2/SDC2 */
static void gen_loongson_lsdc2(DisasContext *ctx, int rt,
int rs, int rd)
{
int offset = sextract32(ctx->opcode, 3, 8);
uint32_t opc = MASK_LOONGSON_LSDC2(ctx->opcode);
TCGv t0, t1;
TCGv_i32 fp0;
/* Pre-conditions */
switch (opc) {
case OPC_GSLBX:
case OPC_GSLHX:
case OPC_GSLWX:
case OPC_GSLDX:
/* prefetch, implement as NOP */
if (rt == 0) {
return;
}
break;
case OPC_GSSBX:
case OPC_GSSHX:
case OPC_GSSWX:
case OPC_GSSDX:
break;
case OPC_GSLWXC1:
#if defined(TARGET_MIPS64)
case OPC_GSLDXC1:
#endif
check_cp1_enabled(ctx);
/* prefetch, implement as NOP */
if (rt == 0) {
return;
}
break;
case OPC_GSSWXC1:
#if defined(TARGET_MIPS64)
case OPC_GSSDXC1:
#endif
check_cp1_enabled(ctx);
break;
default:
MIPS_INVAL("loongson_lsdc2");
gen_reserved_instruction(ctx);
return;
break;
}
t0 = tcg_temp_new();
gen_base_offset_addr(ctx, t0, rs, offset);
gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
switch (opc) {
case OPC_GSLBX:
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB);
gen_store_gpr(t0, rt);
break;
case OPC_GSLHX:
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
case OPC_GSLWX:
gen_base_offset_addr(ctx, t0, rs, offset);
if (rd) {
gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
}
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
#if defined(TARGET_MIPS64)
case OPC_GSLDX:
gen_base_offset_addr(ctx, t0, rs, offset);
if (rd) {
gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
}
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_store_gpr(t0, rt);
break;
#endif
case OPC_GSLWXC1:
gen_base_offset_addr(ctx, t0, rs, offset);
if (rd) {
gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
}
fp0 = tcg_temp_new_i32();
tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL |
ctx->default_tcg_memop_mask);
gen_store_fpr32(ctx, fp0, rt);
break;
#if defined(TARGET_MIPS64)
case OPC_GSLDXC1:
gen_base_offset_addr(ctx, t0, rs, offset);
if (rd) {
gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0);
}
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
gen_store_fpr64(ctx, t0, rt);
break;
#endif
case OPC_GSSBX:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB);
break;
case OPC_GSSHX:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW |
ctx->default_tcg_memop_mask);
break;
case OPC_GSSWX:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL |
ctx->default_tcg_memop_mask);
break;
#if defined(TARGET_MIPS64)
case OPC_GSSDX:
t1 = tcg_temp_new();
gen_load_gpr(t1, rt);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
break;
#endif
case OPC_GSSWXC1:
fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, rt);
tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL |
ctx->default_tcg_memop_mask);
break;
#if defined(TARGET_MIPS64)
case OPC_GSSDXC1:
t1 = tcg_temp_new();
gen_load_fpr64(ctx, t1, rt);
tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEUQ |
ctx->default_tcg_memop_mask);
break;
#endif
default:
break;
}
}
/* Traps */
static void gen_trap(DisasContext *ctx, uint32_t opc,
int rs, int rt, int16_t imm, int code)
{
int cond;
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
cond = 0;
/* Load needed operands */
switch (opc) {
case OPC_TEQ:
case OPC_TGE:
case OPC_TGEU:
case OPC_TLT:
case OPC_TLTU:
case OPC_TNE:
/* Compare two registers */
if (rs != rt) {
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
cond = 1;
}
break;
case OPC_TEQI:
case OPC_TGEI:
case OPC_TGEIU:
case OPC_TLTI:
case OPC_TLTIU:
case OPC_TNEI:
/* Compare register to immediate */
if (rs != 0 || imm != 0) {
gen_load_gpr(t0, rs);
tcg_gen_movi_tl(t1, (int32_t)imm);
cond = 1;
}
break;
}
if (cond == 0) {
switch (opc) {
case OPC_TEQ: /* rs == rs */
case OPC_TEQI: /* r0 == 0 */
case OPC_TGE: /* rs >= rs */
case OPC_TGEI: /* r0 >= 0 */
case OPC_TGEU: /* rs >= rs unsigned */
case OPC_TGEIU: /* r0 >= 0 unsigned */
/* Always trap */
#ifdef CONFIG_USER_ONLY
/* Pass the break code along to cpu_loop. */
tcg_gen_st_i32(tcg_constant_i32(code), tcg_env,
offsetof(CPUMIPSState, error_code));
#endif
generate_exception_end(ctx, EXCP_TRAP);
break;
case OPC_TLT: /* rs < rs */
case OPC_TLTI: /* r0 < 0 */
case OPC_TLTU: /* rs < rs unsigned */
case OPC_TLTIU: /* r0 < 0 unsigned */
case OPC_TNE: /* rs != rs */
case OPC_TNEI: /* r0 != 0 */
/* Never trap: treat as NOP. */
break;
}
} else {
TCGLabel *l1 = gen_new_label();
switch (opc) {
case OPC_TEQ:
case OPC_TEQI:
tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
break;
case OPC_TGE:
case OPC_TGEI:
tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
break;
case OPC_TGEU:
case OPC_TGEIU:
tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
break;
case OPC_TLT:
case OPC_TLTI:
tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
break;
case OPC_TLTU:
case OPC_TLTIU:
tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
break;
case OPC_TNE:
case OPC_TNEI:
tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
break;
}
#ifdef CONFIG_USER_ONLY
/* Pass the break code along to cpu_loop. */
tcg_gen_st_i32(tcg_constant_i32(code), tcg_env,
offsetof(CPUMIPSState, error_code));
#endif
/* Like save_cpu_state, only don't update saved values. */
if (ctx->base.pc_next != ctx->saved_pc) {
gen_save_pc(ctx->base.pc_next);
}
if (ctx->hflags != ctx->saved_hflags) {
tcg_gen_movi_i32(hflags, ctx->hflags);
}
generate_exception(ctx, EXCP_TRAP);
gen_set_label(l1);
}
}
static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
if (translator_use_goto_tb(&ctx->base, dest)) {
tcg_gen_goto_tb(n);
gen_save_pc(dest);
tcg_gen_exit_tb(ctx->base.tb, n);
} else {
gen_save_pc(dest);
tcg_gen_lookup_and_goto_ptr();
}
}
/* Branches (before delay slot) */
static void gen_compute_branch(DisasContext *ctx, uint32_t opc,
int insn_bytes,
int rs, int rt, int32_t offset,
int delayslot_size)
{
target_ulong btgt = -1;
int blink = 0;
int bcond_compute = 0;
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
if (ctx->hflags & MIPS_HFLAG_BMASK) {
#ifdef MIPS_DEBUG_DISAS
LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016"
VADDR_PRIx "\n", ctx->base.pc_next);
#endif
gen_reserved_instruction(ctx);
goto out;
}
/* Load needed operands */
switch (opc) {
case OPC_BEQ:
case OPC_BEQL:
case OPC_BNE:
case OPC_BNEL:
/* Compare two registers */
if (rs != rt) {
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
bcond_compute = 1;
}
btgt = ctx->base.pc_next + insn_bytes + offset;
break;
case OPC_BGEZ:
case OPC_BGEZAL:
case OPC_BGEZALL:
case OPC_BGEZL:
case OPC_BGTZ:
case OPC_BGTZL:
case OPC_BLEZ:
case OPC_BLEZL:
case OPC_BLTZ:
case OPC_BLTZAL:
case OPC_BLTZALL:
case OPC_BLTZL:
/* Compare to zero */
if (rs != 0) {
gen_load_gpr(t0, rs);
bcond_compute = 1;
}
btgt = ctx->base.pc_next + insn_bytes + offset;
break;
case OPC_BPOSGE32:
#if defined(TARGET_MIPS64)
case OPC_BPOSGE64:
tcg_gen_andi_tl(t0, cpu_dspctrl, 0x7F);
#else
tcg_gen_andi_tl(t0, cpu_dspctrl, 0x3F);
#endif
bcond_compute = 1;
btgt = ctx->base.pc_next + insn_bytes + offset;
break;
case OPC_J:
case OPC_JAL:
{
/* Jump to immediate */
int jal_mask = ctx->hflags & MIPS_HFLAG_M16 ? 0xF8000000
: 0xF0000000;
btgt = ((ctx->base.pc_next + insn_bytes) & jal_mask)
| (uint32_t)offset;
break;
}
case OPC_JALX:
/* Jump to immediate */
btgt = ((ctx->base.pc_next + insn_bytes) & (int32_t)0xF0000000) |
(uint32_t)offset;
break;
case OPC_JR:
case OPC_JALR:
/* Jump to register */
if (offset != 0 && offset != 16) {
/*
* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
* others are reserved.
*/
MIPS_INVAL("jump hint");
gen_reserved_instruction(ctx);
goto out;
}
gen_load_gpr(btarget, rs);
break;
default:
MIPS_INVAL("branch/jump");
gen_reserved_instruction(ctx);
goto out;
}
if (bcond_compute == 0) {
/* No condition to be computed */
switch (opc) {
case OPC_BEQ: /* rx == rx */
case OPC_BEQL: /* rx == rx likely */
case OPC_BGEZ: /* 0 >= 0 */
case OPC_BGEZL: /* 0 >= 0 likely */
case OPC_BLEZ: /* 0 <= 0 */
case OPC_BLEZL: /* 0 <= 0 likely */
/* Always take */
ctx->hflags |= MIPS_HFLAG_B;
break;
case OPC_BGEZAL: /* 0 >= 0 */
case OPC_BGEZALL: /* 0 >= 0 likely */
/* Always take and link */
blink = 31;
ctx->hflags |= MIPS_HFLAG_B;
break;
case OPC_BNE: /* rx != rx */
case OPC_BGTZ: /* 0 > 0 */
case OPC_BLTZ: /* 0 < 0 */
/* Treat as NOP. */
goto out;
case OPC_BLTZAL: /* 0 < 0 */
/*
* Handle as an unconditional branch to get correct delay
* slot checking.
*/
blink = 31;
btgt = ctx->base.pc_next + insn_bytes + delayslot_size;
ctx->hflags |= MIPS_HFLAG_B;
break;
case OPC_BLTZALL: /* 0 < 0 likely */
tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 8);
/* Skip the instruction in the delay slot */
ctx->base.pc_next += 4;
goto out;
case OPC_BNEL: /* rx != rx likely */
case OPC_BGTZL: /* 0 > 0 likely */
case OPC_BLTZL: /* 0 < 0 likely */
/* Skip the instruction in the delay slot */
ctx->base.pc_next += 4;
goto out;
case OPC_J:
ctx->hflags |= MIPS_HFLAG_B;
break;
case OPC_JALX:
ctx->hflags |= MIPS_HFLAG_BX;
/* Fallthrough */
case OPC_JAL:
blink = 31;
ctx->hflags |= MIPS_HFLAG_B;
break;
case OPC_JR:
ctx->hflags |= MIPS_HFLAG_BR;
break;
case OPC_JALR:
blink = rt;
ctx->hflags |= MIPS_HFLAG_BR;
break;
default:
MIPS_INVAL("branch/jump");
gen_reserved_instruction(ctx);
goto out;
}
} else {
switch (opc) {
case OPC_BEQ:
tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
goto not_likely;
case OPC_BEQL:
tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
goto likely;
case OPC_BNE:
tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
goto not_likely;
case OPC_BNEL:
tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
goto likely;
case OPC_BGEZ:
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
goto not_likely;
case OPC_BGEZL:
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
goto likely;
case OPC_BGEZAL:
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
blink = 31;
goto not_likely;
case OPC_BGEZALL:
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
blink = 31;
goto likely;
case OPC_BGTZ:
tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
goto not_likely;
case OPC_BGTZL:
tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
goto likely;
case OPC_BLEZ:
tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
goto not_likely;
case OPC_BLEZL:
tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
goto likely;
case OPC_BLTZ:
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
goto not_likely;
case OPC_BLTZL:
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
goto likely;
case OPC_BPOSGE32:
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 32);
goto not_likely;
#if defined(TARGET_MIPS64)
case OPC_BPOSGE64:
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 64);
goto not_likely;
#endif
case OPC_BLTZAL:
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
blink = 31;
not_likely:
ctx->hflags |= MIPS_HFLAG_BC;
break;
case OPC_BLTZALL:
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
blink = 31;
likely:
ctx->hflags |= MIPS_HFLAG_BL;
break;
default:
MIPS_INVAL("conditional branch/jump");
gen_reserved_instruction(ctx);
goto out;
}
}
ctx->btarget = btgt;
switch (delayslot_size) {
case 2:
ctx->hflags |= MIPS_HFLAG_BDS16;
break;
case 4:
ctx->hflags |= MIPS_HFLAG_BDS32;
break;
}
if (blink > 0) {
int post_delay = insn_bytes + delayslot_size;
int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
tcg_gen_movi_tl(cpu_gpr[blink],
ctx->base.pc_next + post_delay + lowbit);
}
out:
if (insn_bytes == 2) {
ctx->hflags |= MIPS_HFLAG_B16;
}
}
/* special3 bitfield operations */
static void gen_bitops(DisasContext *ctx, uint32_t opc, int rt,
int rs, int lsb, int msb)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
gen_load_gpr(t1, rs);
switch (opc) {
case OPC_EXT:
if (lsb + msb > 31) {
goto fail;
}
if (msb != 31) {
tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
} else {
/*
* The two checks together imply that lsb == 0,
* so this is a simple sign-extension.
*/
tcg_gen_ext32s_tl(t0, t1);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DEXTU:
lsb += 32;
goto do_dext;
case OPC_DEXTM:
msb += 32;
goto do_dext;
case OPC_DEXT:
do_dext:
if (lsb + msb > 63) {
goto fail;
}
tcg_gen_extract_tl(t0, t1, lsb, msb + 1);
break;
#endif
case OPC_INS:
if (lsb > msb) {
goto fail;
}
gen_load_gpr(t0, rt);
tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
tcg_gen_ext32s_tl(t0, t0);
break;
#if defined(TARGET_MIPS64)
case OPC_DINSU:
lsb += 32;
/* FALLTHRU */
case OPC_DINSM:
msb += 32;
/* FALLTHRU */
case OPC_DINS:
if (lsb > msb) {
goto fail;
}
gen_load_gpr(t0, rt);
tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1);
break;
#endif
default:
fail:
MIPS_INVAL("bitops");
gen_reserved_instruction(ctx);
return;
}
gen_store_gpr(t0, rt);
}
static void gen_bshfl(DisasContext *ctx, uint32_t op2, int rt, int rd)
{
TCGv t0;
if (rd == 0) {
/* If no destination, treat it as a NOP. */
return;
}
t0 = tcg_temp_new();
gen_load_gpr(t0, rt);
switch (op2) {
case OPC_WSBH:
{
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_constant_tl(0x00FF00FF);
tcg_gen_shri_tl(t1, t0, 8);
tcg_gen_and_tl(t1, t1, t2);
tcg_gen_and_tl(t0, t0, t2);
tcg_gen_shli_tl(t0, t0, 8);
tcg_gen_or_tl(t0, t0, t1);
tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
}
break;
case OPC_SEB:
tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
break;
case OPC_SEH:
tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
break;
#if defined(TARGET_MIPS64)
case OPC_DSBH:
{
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_constant_tl(0x00FF00FF00FF00FFULL);
tcg_gen_shri_tl(t1, t0, 8);
tcg_gen_and_tl(t1, t1, t2);
tcg_gen_and_tl(t0, t0, t2);
tcg_gen_shli_tl(t0, t0, 8);
tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
}
break;
case OPC_DSHD:
{
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_constant_tl(0x0000FFFF0000FFFFULL);
tcg_gen_shri_tl(t1, t0, 16);
tcg_gen_and_tl(t1, t1, t2);
tcg_gen_and_tl(t0, t0, t2);
tcg_gen_shli_tl(t0, t0, 16);
tcg_gen_or_tl(t0, t0, t1);
tcg_gen_shri_tl(t1, t0, 32);
tcg_gen_shli_tl(t0, t0, 32);
tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
}
break;
#endif
default:
MIPS_INVAL("bsfhl");
gen_reserved_instruction(ctx);
return;
}
}
static void gen_align_bits(DisasContext *ctx, int wordsz, int rd, int rs,
int rt, int bits)
{
TCGv t0;
if (rd == 0) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
if (bits == 0 || bits == wordsz) {
if (bits == 0) {
gen_load_gpr(t0, rt);
} else {
gen_load_gpr(t0, rs);
}
switch (wordsz) {
case 32:
tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
break;
#if defined(TARGET_MIPS64)
case 64:
tcg_gen_mov_tl(cpu_gpr[rd], t0);
break;
#endif
}
} else {
TCGv t1 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_load_gpr(t1, rs);
switch (wordsz) {
case 32:
{
TCGv_i64 t2 = tcg_temp_new_i64();
tcg_gen_concat_tl_i64(t2, t1, t0);
tcg_gen_shri_i64(t2, t2, 32 - bits);
gen_move_low32(cpu_gpr[rd], t2);
}
break;
#if defined(TARGET_MIPS64)
case 64:
tcg_gen_shli_tl(t0, t0, bits);
tcg_gen_shri_tl(t1, t1, 64 - bits);
tcg_gen_or_tl(cpu_gpr[rd], t1, t0);
break;
#endif
}
}
}
void gen_align(DisasContext *ctx, int wordsz, int rd, int rs, int rt, int bp)
{
gen_align_bits(ctx, wordsz, rd, rs, rt, bp * 8);
}
static void gen_bitswap(DisasContext *ctx, int opc, int rd, int rt)
{
TCGv t0;
if (rd == 0) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
gen_load_gpr(t0, rt);
switch (opc) {
case OPC_BITSWAP:
gen_helper_bitswap(cpu_gpr[rd], t0);
break;
#if defined(TARGET_MIPS64)
case OPC_DBITSWAP:
gen_helper_dbitswap(cpu_gpr[rd], t0);
break;
#endif
}
}
#ifndef CONFIG_USER_ONLY
/* CP0 (MMU and control) */
static inline void gen_mthc0_entrylo(TCGv arg, target_ulong off)
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
tcg_gen_ext_tl_i64(t0, arg);
tcg_gen_ld_i64(t1, tcg_env, off);
#if defined(TARGET_MIPS64)
tcg_gen_deposit_i64(t1, t1, t0, 30, 32);
#else
tcg_gen_concat32_i64(t1, t1, t0);
#endif
tcg_gen_st_i64(t1, tcg_env, off);
}
static inline void gen_mthc0_store64(TCGv arg, target_ulong off)
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
tcg_gen_ext_tl_i64(t0, arg);
tcg_gen_ld_i64(t1, tcg_env, off);
tcg_gen_concat32_i64(t1, t1, t0);
tcg_gen_st_i64(t1, tcg_env, off);
}
static inline void gen_mfhc0_entrylo(TCGv arg, target_ulong off)
{
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_ld_i64(t0, tcg_env, off);
#if defined(TARGET_MIPS64)
tcg_gen_shri_i64(t0, t0, 30);
#else
tcg_gen_shri_i64(t0, t0, 32);
#endif
gen_move_low32(arg, t0);
}
static inline void gen_mfhc0_load64(TCGv arg, target_ulong off, int shift)
{
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_ld_i64(t0, tcg_env, off);
tcg_gen_shri_i64(t0, t0, 32 + shift);
gen_move_low32(arg, t0);
}
static inline void gen_mfc0_load32(TCGv arg, target_ulong off)
{
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_ld_i32(t0, tcg_env, off);
tcg_gen_ext_i32_tl(arg, t0);
}
static inline void gen_mfc0_load64(TCGv arg, target_ulong off)
{
tcg_gen_ld_tl(arg, tcg_env, off);
tcg_gen_ext32s_tl(arg, arg);
}
static inline void gen_mtc0_store32(TCGv arg, target_ulong off)
{
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(t0, arg);
tcg_gen_st_i32(t0, tcg_env, off);
}
#define CP0_CHECK(c) \
do { \
if (!(c)) { \
goto cp0_unimplemented; \
} \
} while (0)
static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
switch (reg) {
case CP0_REGISTER_02:
switch (sel) {
case 0:
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
register_name = "EntryLo0";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_03:
switch (sel) {
case CP0_REG03__ENTRYLO1:
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
register_name = "EntryLo1";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mfhc0_saar(arg, tcg_env);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_LLAddr),
ctx->CP0_LLAddr_shift);
register_name = "LLAddr";
break;
case CP0_REG17__MAAR:
CP0_CHECK(ctx->mrp);
gen_helper_mfhc0_maar(arg, tcg_env);
register_name = "MAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_19:
switch (sel) {
case CP0_REG19__WATCHHI0:
case CP0_REG19__WATCHHI1:
case CP0_REG19__WATCHHI2:
case CP0_REG19__WATCHHI3:
case CP0_REG19__WATCHHI4:
case CP0_REG19__WATCHHI5:
case CP0_REG19__WATCHHI6:
case CP0_REG19__WATCHHI7:
/* upper 32 bits are only available when Config5MI != 0 */
CP0_CHECK(ctx->mi);
gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_WatchHi[sel]), 0);
register_name = "WatchHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_28:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_TagLo), 0);
register_name = "TagLo";
break;
default:
goto cp0_unimplemented;
}
break;
default:
goto cp0_unimplemented;
}
trace_mips_translate_c0("mfhc0", register_name, reg, sel);
return;
cp0_unimplemented:
qemu_log_mask(LOG_UNIMP, "mfhc0 %s (reg %d sel %d)\n",
register_name, reg, sel);
tcg_gen_movi_tl(arg, 0);
}
static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
uint64_t mask = ctx->PAMask >> 36;
switch (reg) {
case CP0_REGISTER_02:
switch (sel) {
case 0:
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
tcg_gen_andi_tl(arg, arg, mask);
gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0));
register_name = "EntryLo0";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_03:
switch (sel) {
case CP0_REG03__ENTRYLO1:
CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA);
tcg_gen_andi_tl(arg, arg, mask);
gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1));
register_name = "EntryLo1";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mthc0_saar(tcg_env, arg);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
/*
* LLAddr is read-only (the only exception is bit 0 if LLB is
* supported); the CP0_LLAddr_rw_bitmask does not seem to be
* relevant for modern MIPS cores supporting MTHC0, therefore
* treating MTHC0 to LLAddr as NOP.
*/
register_name = "LLAddr";
break;
case CP0_REG17__MAAR:
CP0_CHECK(ctx->mrp);
gen_helper_mthc0_maar(tcg_env, arg);
register_name = "MAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_19:
switch (sel) {
case CP0_REG19__WATCHHI0:
case CP0_REG19__WATCHHI1:
case CP0_REG19__WATCHHI2:
case CP0_REG19__WATCHHI3:
case CP0_REG19__WATCHHI4:
case CP0_REG19__WATCHHI5:
case CP0_REG19__WATCHHI6:
case CP0_REG19__WATCHHI7:
/* upper 32 bits are only available when Config5MI != 0 */
CP0_CHECK(ctx->mi);
gen_helper_0e1i(mthc0_watchhi, arg, sel);
register_name = "WatchHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_28:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
tcg_gen_andi_tl(arg, arg, mask);
gen_mthc0_store64(arg, offsetof(CPUMIPSState, CP0_TagLo));
register_name = "TagLo";
break;
default:
goto cp0_unimplemented;
}
break;
default:
goto cp0_unimplemented;
}
trace_mips_translate_c0("mthc0", register_name, reg, sel);
return;
cp0_unimplemented:
qemu_log_mask(LOG_UNIMP, "mthc0 %s (reg %d sel %d)\n",
register_name, reg, sel);
}
static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg)
{
if (ctx->insn_flags & ISA_MIPS_R6) {
tcg_gen_movi_tl(arg, 0);
} else {
tcg_gen_movi_tl(arg, ~0);
}
}
static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
if (sel != 0) {
check_insn(ctx, ISA_MIPS_R1);
}
switch (reg) {
case CP0_REGISTER_00:
switch (sel) {
case CP0_REG00__INDEX:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
register_name = "Index";
break;
case CP0_REG00__MVPCONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_mvpcontrol(arg, tcg_env);
register_name = "MVPControl";
break;
case CP0_REG00__MVPCONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_mvpconf0(arg, tcg_env);
register_name = "MVPConf0";
break;
case CP0_REG00__MVPCONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_mvpconf1(arg, tcg_env);
register_name = "MVPConf1";
break;
case CP0_REG00__VPCONTROL:
CP0_CHECK(ctx->vp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl));
register_name = "VPControl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_01:
switch (sel) {
case CP0_REG01__RANDOM:
CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
gen_helper_mfc0_random(arg, tcg_env);
register_name = "Random";
break;
case CP0_REG01__VPECONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
register_name = "VPEControl";
break;
case CP0_REG01__VPECONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
register_name = "VPEConf0";
break;
case CP0_REG01__VPECONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
register_name = "VPEConf1";
break;
case CP0_REG01__YQMASK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask));
register_name = "YQMask";
break;
case CP0_REG01__VPESCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule));
register_name = "VPESchedule";
break;
case CP0_REG01__VPESCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack));
register_name = "VPEScheFBack";
break;
case CP0_REG01__VPEOPT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
register_name = "VPEOpt";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_02:
switch (sel) {
case CP0_REG02__ENTRYLO0:
{
TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_ld_i64(tmp, tcg_env,
offsetof(CPUMIPSState, CP0_EntryLo0));
#if defined(TARGET_MIPS64)
if (ctx->rxi) {
/* Move RI/XI fields to bits 31:30 */
tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
}
#endif
gen_move_low32(arg, tmp);
}
register_name = "EntryLo0";
break;
case CP0_REG02__TCSTATUS:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tcstatus(arg, tcg_env);
register_name = "TCStatus";
break;
case CP0_REG02__TCBIND:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tcbind(arg, tcg_env);
register_name = "TCBind";
break;
case CP0_REG02__TCRESTART:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tcrestart(arg, tcg_env);
register_name = "TCRestart";
break;
case CP0_REG02__TCHALT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tchalt(arg, tcg_env);
register_name = "TCHalt";
break;
case CP0_REG02__TCCONTEXT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tccontext(arg, tcg_env);
register_name = "TCContext";
break;
case CP0_REG02__TCSCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tcschedule(arg, tcg_env);
register_name = "TCSchedule";
break;
case CP0_REG02__TCSCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tcschefback(arg, tcg_env);
register_name = "TCScheFBack";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_03:
switch (sel) {
case CP0_REG03__ENTRYLO1:
{
TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_ld_i64(tmp, tcg_env,
offsetof(CPUMIPSState, CP0_EntryLo1));
#if defined(TARGET_MIPS64)
if (ctx->rxi) {
/* Move RI/XI fields to bits 31:30 */
tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI);
tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2);
}
#endif
gen_move_low32(arg, tmp);
}
register_name = "EntryLo1";
break;
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
register_name = "GlobalNumber";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_04:
switch (sel) {
case CP0_REG04__CONTEXT:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context));
tcg_gen_ext32s_tl(arg, arg);
register_name = "Context";
break;
case CP0_REG04__CONTEXTCONFIG:
/* SmartMIPS ASE */
/* gen_helper_mfc0_contextconfig(arg); */
register_name = "ContextConfig";
goto cp0_unimplemented;
case CP0_REG04__USERLOCAL:
CP0_CHECK(ctx->ulri);
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
tcg_gen_ext32s_tl(arg, arg);
register_name = "UserLocal";
break;
case CP0_REG04__MMID:
CP0_CHECK(ctx->mi);
gen_helper_mtc0_memorymapid(tcg_env, arg);
register_name = "MMID";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_05:
switch (sel) {
case CP0_REG05__PAGEMASK:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
register_name = "PageMask";
break;
case CP0_REG05__PAGEGRAIN:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
register_name = "PageGrain";
break;
case CP0_REG05__SEGCTL0:
CP0_CHECK(ctx->sc);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0));
tcg_gen_ext32s_tl(arg, arg);
register_name = "SegCtl0";
break;
case CP0_REG05__SEGCTL1:
CP0_CHECK(ctx->sc);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1));
tcg_gen_ext32s_tl(arg, arg);
register_name = "SegCtl1";
break;
case CP0_REG05__SEGCTL2:
CP0_CHECK(ctx->sc);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2));
tcg_gen_ext32s_tl(arg, arg);
register_name = "SegCtl2";
break;
case CP0_REG05__PWBASE:
check_pw(ctx);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWBase));
register_name = "PWBase";
break;
case CP0_REG05__PWFIELD:
check_pw(ctx);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWField));
register_name = "PWField";
break;
case CP0_REG05__PWSIZE:
check_pw(ctx);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWSize));
register_name = "PWSize";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_06:
switch (sel) {
case CP0_REG06__WIRED:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
register_name = "Wired";
break;
case CP0_REG06__SRSCONF0:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
register_name = "SRSConf0";
break;
case CP0_REG06__SRSCONF1:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
register_name = "SRSConf1";
break;
case CP0_REG06__SRSCONF2:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
register_name = "SRSConf2";
break;
case CP0_REG06__SRSCONF3:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
register_name = "SRSConf3";
break;
case CP0_REG06__SRSCONF4:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
register_name = "SRSConf4";
break;
case CP0_REG06__PWCTL:
check_pw(ctx);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
register_name = "PWCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_07:
switch (sel) {
case CP0_REG07__HWRENA:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
register_name = "HWREna";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_08:
switch (sel) {
case CP0_REG08__BADVADDR:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr));
tcg_gen_ext32s_tl(arg, arg);
register_name = "BadVAddr";
break;
case CP0_REG08__BADINSTR:
CP0_CHECK(ctx->bi);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
register_name = "BadInstr";
break;
case CP0_REG08__BADINSTRP:
CP0_CHECK(ctx->bp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
register_name = "BadInstrP";
break;
case CP0_REG08__BADINSTRX:
CP0_CHECK(ctx->bi);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
tcg_gen_andi_tl(arg, arg, ~0xffff);
register_name = "BadInstrX";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__COUNT:
/* Mark as an IO operation because we read the time. */
translator_io_start(&ctx->base);
gen_helper_mfc0_count(arg, tcg_env);
/*
* Break the TB to be able to take timer interrupts immediately
* after reading count. DISAS_STOP isn't sufficient, we need to
* ensure we break completely out of translated code.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mfc0_saar(arg, tcg_env);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_10:
switch (sel) {
case CP0_REG10__ENTRYHI:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi));
tcg_gen_ext32s_tl(arg, arg);
register_name = "EntryHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_11:
switch (sel) {
case CP0_REG11__COMPARE:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
register_name = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_12:
switch (sel) {
case CP0_REG12__STATUS:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
register_name = "Status";
break;
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
register_name = "IntCtl";
break;
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
register_name = "SRSCtl";
break;
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
register_name = "SRSMap";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_13:
switch (sel) {
case CP0_REG13__CAUSE:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
register_name = "Cause";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_14:
switch (sel) {
case CP0_REG14__EPC:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
tcg_gen_ext32s_tl(arg, arg);
register_name = "EPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_15:
switch (sel) {
case CP0_REG15__PRID:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
register_name = "PRid";
break;
case CP0_REG15__EBASE:
check_insn(ctx, ISA_MIPS_R2);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase));
tcg_gen_ext32s_tl(arg, arg);
register_name = "EBase";
break;
case CP0_REG15__CMGCRBASE:
check_insn(ctx, ISA_MIPS_R2);
CP0_CHECK(ctx->cmgcr);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase));
tcg_gen_ext32s_tl(arg, arg);
register_name = "CMGCRBase";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_16:
switch (sel) {
case CP0_REG16__CONFIG:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
register_name = "Config";
break;
case CP0_REG16__CONFIG1:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
register_name = "Config1";
break;
case CP0_REG16__CONFIG2:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
register_name = "Config2";
break;
case CP0_REG16__CONFIG3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
register_name = "Config3";
break;
case CP0_REG16__CONFIG4:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
register_name = "Config4";
break;
case CP0_REG16__CONFIG5:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
register_name = "Config5";
break;
/* 6,7 are implementation dependent */
case CP0_REG16__CONFIG6:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
register_name = "Config6";
break;
case CP0_REG16__CONFIG7:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
register_name = "Config7";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
gen_helper_mfc0_lladdr(arg, tcg_env);
register_name = "LLAddr";
break;
case CP0_REG17__MAAR:
CP0_CHECK(ctx->mrp);
gen_helper_mfc0_maar(arg, tcg_env);
register_name = "MAAR";
break;
case CP0_REG17__MAARI:
CP0_CHECK(ctx->mrp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI));
register_name = "MAARI";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_18:
switch (sel) {
case CP0_REG18__WATCHLO0:
case CP0_REG18__WATCHLO1:
case CP0_REG18__WATCHLO2:
case CP0_REG18__WATCHLO3:
case CP0_REG18__WATCHLO4:
case CP0_REG18__WATCHLO5:
case CP0_REG18__WATCHLO6:
case CP0_REG18__WATCHLO7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_1e0i(mfc0_watchlo, arg, sel);
register_name = "WatchLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_19:
switch (sel) {
case CP0_REG19__WATCHHI0:
case CP0_REG19__WATCHHI1:
case CP0_REG19__WATCHHI2:
case CP0_REG19__WATCHHI3:
case CP0_REG19__WATCHHI4:
case CP0_REG19__WATCHHI5:
case CP0_REG19__WATCHHI6:
case CP0_REG19__WATCHHI7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_1e0i(mfc0_watchhi, arg, sel);
register_name = "WatchHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_20:
switch (sel) {
case CP0_REG20__XCONTEXT:
#if defined(TARGET_MIPS64)
check_insn(ctx, ISA_MIPS3);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext));
tcg_gen_ext32s_tl(arg, arg);
register_name = "XContext";
break;
#endif
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
switch (sel) {
case 0:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
register_name = "Framemask";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_22:
tcg_gen_movi_tl(arg, 0); /* unimplemented */
register_name = "'Diagnostic"; /* implementation dependent */
break;
case CP0_REGISTER_23:
switch (sel) {
case CP0_REG23__DEBUG:
gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */
register_name = "Debug";
break;
case CP0_REG23__TRACECONTROL:
/* PDtrace support */
/* gen_helper_mfc0_tracecontrol(arg); */
register_name = "TraceControl";
goto cp0_unimplemented;
case CP0_REG23__TRACECONTROL2:
/* PDtrace support */
/* gen_helper_mfc0_tracecontrol2(arg); */
register_name = "TraceControl2";
goto cp0_unimplemented;
case CP0_REG23__USERTRACEDATA1:
/* PDtrace support */
/* gen_helper_mfc0_usertracedata1(arg);*/
register_name = "UserTraceData1";
goto cp0_unimplemented;
case CP0_REG23__TRACEIBPC:
/* PDtrace support */
/* gen_helper_mfc0_traceibpc(arg); */
register_name = "TraceIBPC";
goto cp0_unimplemented;
case CP0_REG23__TRACEDBPC:
/* PDtrace support */
/* gen_helper_mfc0_tracedbpc(arg); */
register_name = "TraceDBPC";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_24:
switch (sel) {
case CP0_REG24__DEPC:
/* EJTAG support */
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
tcg_gen_ext32s_tl(arg, arg);
register_name = "DEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_25:
switch (sel) {
case CP0_REG25__PERFCTL0:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
register_name = "Performance0";
break;
case CP0_REG25__PERFCNT0:
/* gen_helper_mfc0_performance1(arg); */
register_name = "Performance1";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL1:
/* gen_helper_mfc0_performance2(arg); */
register_name = "Performance2";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT1:
/* gen_helper_mfc0_performance3(arg); */
register_name = "Performance3";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL2:
/* gen_helper_mfc0_performance4(arg); */
register_name = "Performance4";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT2:
/* gen_helper_mfc0_performance5(arg); */
register_name = "Performance5";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL3:
/* gen_helper_mfc0_performance6(arg); */
register_name = "Performance6";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT3:
/* gen_helper_mfc0_performance7(arg); */
register_name = "Performance7";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_26:
switch (sel) {
case CP0_REG26__ERRCTL:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl));
register_name = "ErrCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_27:
switch (sel) {
case CP0_REG27__CACHERR:
tcg_gen_movi_tl(arg, 0); /* unimplemented */
register_name = "CacheErr";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_28:
switch (sel) {
case CP0_REG28__TAGLO:
case CP0_REG28__TAGLO1:
case CP0_REG28__TAGLO2:
case CP0_REG28__TAGLO3:
{
TCGv_i64 tmp = tcg_temp_new_i64();
tcg_gen_ld_i64(tmp, tcg_env, offsetof(CPUMIPSState, CP0_TagLo));
gen_move_low32(arg, tmp);
}
register_name = "TagLo";
break;
case CP0_REG28__DATALO:
case CP0_REG28__DATALO1:
case CP0_REG28__DATALO2:
case CP0_REG28__DATALO3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
register_name = "DataLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_29:
switch (sel) {
case CP0_REG29__TAGHI:
case CP0_REG29__TAGHI1:
case CP0_REG29__TAGHI2:
case CP0_REG29__TAGHI3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
register_name = "TagHi";
break;
case CP0_REG29__DATAHI:
case CP0_REG29__DATAHI1:
case CP0_REG29__DATAHI2:
case CP0_REG29__DATAHI3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
register_name = "DataHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_30:
switch (sel) {
case CP0_REG30__ERROREPC:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
tcg_gen_ext32s_tl(arg, arg);
register_name = "ErrorEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_31:
switch (sel) {
case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
case CP0_REG31__KSCRATCH1:
case CP0_REG31__KSCRATCH2:
case CP0_REG31__KSCRATCH3:
case CP0_REG31__KSCRATCH4:
case CP0_REG31__KSCRATCH5:
case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
tcg_gen_ext32s_tl(arg, arg);
register_name = "KScratch";
break;
default:
goto cp0_unimplemented;
}
break;
default:
goto cp0_unimplemented;
}
trace_mips_translate_c0("mfc0", register_name, reg, sel);
return;
cp0_unimplemented:
qemu_log_mask(LOG_UNIMP, "mfc0 %s (reg %d sel %d)\n",
register_name, reg, sel);
gen_mfc0_unimplemented(ctx, arg);
}
static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
bool icount;
if (sel != 0) {
check_insn(ctx, ISA_MIPS_R1);
}
icount = translator_io_start(&ctx->base);
switch (reg) {
case CP0_REGISTER_00:
switch (sel) {
case CP0_REG00__INDEX:
gen_helper_mtc0_index(tcg_env, arg);
register_name = "Index";
break;
case CP0_REG00__MVPCONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_mvpcontrol(tcg_env, arg);
register_name = "MVPControl";
break;
case CP0_REG00__MVPCONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
/* ignored */
register_name = "MVPConf0";
break;
case CP0_REG00__MVPCONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
/* ignored */
register_name = "MVPConf1";
break;
case CP0_REG00__VPCONTROL:
CP0_CHECK(ctx->vp);
/* ignored */
register_name = "VPControl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_01:
switch (sel) {
case CP0_REG01__RANDOM:
/* ignored */
register_name = "Random";
break;
case CP0_REG01__VPECONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpecontrol(tcg_env, arg);
register_name = "VPEControl";
break;
case CP0_REG01__VPECONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpeconf0(tcg_env, arg);
register_name = "VPEConf0";
break;
case CP0_REG01__VPECONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpeconf1(tcg_env, arg);
register_name = "VPEConf1";
break;
case CP0_REG01__YQMASK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_yqmask(tcg_env, arg);
register_name = "YQMask";
break;
case CP0_REG01__VPESCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_VPESchedule));
register_name = "VPESchedule";
break;
case CP0_REG01__VPESCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_VPEScheFBack));
register_name = "VPEScheFBack";
break;
case CP0_REG01__VPEOPT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpeopt(tcg_env, arg);
register_name = "VPEOpt";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_02:
switch (sel) {
case CP0_REG02__ENTRYLO0:
gen_helper_mtc0_entrylo0(tcg_env, arg);
register_name = "EntryLo0";
break;
case CP0_REG02__TCSTATUS:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcstatus(tcg_env, arg);
register_name = "TCStatus";
break;
case CP0_REG02__TCBIND:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcbind(tcg_env, arg);
register_name = "TCBind";
break;
case CP0_REG02__TCRESTART:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcrestart(tcg_env, arg);
register_name = "TCRestart";
break;
case CP0_REG02__TCHALT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tchalt(tcg_env, arg);
register_name = "TCHalt";
break;
case CP0_REG02__TCCONTEXT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tccontext(tcg_env, arg);
register_name = "TCContext";
break;
case CP0_REG02__TCSCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcschedule(tcg_env, arg);
register_name = "TCSchedule";
break;
case CP0_REG02__TCSCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcschefback(tcg_env, arg);
register_name = "TCScheFBack";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_03:
switch (sel) {
case CP0_REG03__ENTRYLO1:
gen_helper_mtc0_entrylo1(tcg_env, arg);
register_name = "EntryLo1";
break;
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
/* ignored */
register_name = "GlobalNumber";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_04:
switch (sel) {
case CP0_REG04__CONTEXT:
gen_helper_mtc0_context(tcg_env, arg);
register_name = "Context";
break;
case CP0_REG04__CONTEXTCONFIG:
/* SmartMIPS ASE */
/* gen_helper_mtc0_contextconfig(arg); */
register_name = "ContextConfig";
goto cp0_unimplemented;
case CP0_REG04__USERLOCAL:
CP0_CHECK(ctx->ulri);
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
register_name = "UserLocal";
break;
case CP0_REG04__MMID:
CP0_CHECK(ctx->mi);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID));
register_name = "MMID";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_05:
switch (sel) {
case CP0_REG05__PAGEMASK:
gen_helper_mtc0_pagemask(tcg_env, arg);
register_name = "PageMask";
break;
case CP0_REG05__PAGEGRAIN:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_pagegrain(tcg_env, arg);
register_name = "PageGrain";
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG05__SEGCTL0:
CP0_CHECK(ctx->sc);
gen_helper_mtc0_segctl0(tcg_env, arg);
register_name = "SegCtl0";
break;
case CP0_REG05__SEGCTL1:
CP0_CHECK(ctx->sc);
gen_helper_mtc0_segctl1(tcg_env, arg);
register_name = "SegCtl1";
break;
case CP0_REG05__SEGCTL2:
CP0_CHECK(ctx->sc);
gen_helper_mtc0_segctl2(tcg_env, arg);
register_name = "SegCtl2";
break;
case CP0_REG05__PWBASE:
check_pw(ctx);
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_PWBase));
register_name = "PWBase";
break;
case CP0_REG05__PWFIELD:
check_pw(ctx);
gen_helper_mtc0_pwfield(tcg_env, arg);
register_name = "PWField";
break;
case CP0_REG05__PWSIZE:
check_pw(ctx);
gen_helper_mtc0_pwsize(tcg_env, arg);
register_name = "PWSize";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_06:
switch (sel) {
case CP0_REG06__WIRED:
gen_helper_mtc0_wired(tcg_env, arg);
register_name = "Wired";
break;
case CP0_REG06__SRSCONF0:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf0(tcg_env, arg);
register_name = "SRSConf0";
break;
case CP0_REG06__SRSCONF1:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf1(tcg_env, arg);
register_name = "SRSConf1";
break;
case CP0_REG06__SRSCONF2:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf2(tcg_env, arg);
register_name = "SRSConf2";
break;
case CP0_REG06__SRSCONF3:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf3(tcg_env, arg);
register_name = "SRSConf3";
break;
case CP0_REG06__SRSCONF4:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf4(tcg_env, arg);
register_name = "SRSConf4";
break;
case CP0_REG06__PWCTL:
check_pw(ctx);
gen_helper_mtc0_pwctl(tcg_env, arg);
register_name = "PWCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_07:
switch (sel) {
case CP0_REG07__HWRENA:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_hwrena(tcg_env, arg);
ctx->base.is_jmp = DISAS_STOP;
register_name = "HWREna";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_08:
switch (sel) {
case CP0_REG08__BADVADDR:
/* ignored */
register_name = "BadVAddr";
break;
case CP0_REG08__BADINSTR:
/* ignored */
register_name = "BadInstr";
break;
case CP0_REG08__BADINSTRP:
/* ignored */
register_name = "BadInstrP";
break;
case CP0_REG08__BADINSTRX:
/* ignored */
register_name = "BadInstrX";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__COUNT:
gen_helper_mtc0_count(tcg_env, arg);
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saari(tcg_env, arg);
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saar(tcg_env, arg);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_10:
switch (sel) {
case CP0_REG10__ENTRYHI:
gen_helper_mtc0_entryhi(tcg_env, arg);
register_name = "EntryHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_11:
switch (sel) {
case CP0_REG11__COMPARE:
gen_helper_mtc0_compare(tcg_env, arg);
register_name = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_12:
switch (sel) {
case CP0_REG12__STATUS:
save_cpu_state(ctx, 1);
gen_helper_mtc0_status(tcg_env, arg);
/* DISAS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Status";
break;
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_intctl(tcg_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "IntCtl";
break;
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsctl(tcg_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "SRSCtl";
break;
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS_R2);
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "SRSMap";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_13:
switch (sel) {
case CP0_REG13__CAUSE:
save_cpu_state(ctx, 1);
gen_helper_mtc0_cause(tcg_env, arg);
/*
* Stop translation as we may have triggered an interrupt.
* DISAS_STOP isn't sufficient, we need to ensure we break out of
* translated code to check for pending interrupts.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Cause";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_14:
switch (sel) {
case CP0_REG14__EPC:
tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
register_name = "EPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_15:
switch (sel) {
case CP0_REG15__PRID:
/* ignored */
register_name = "PRid";
break;
case CP0_REG15__EBASE:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_ebase(tcg_env, arg);
register_name = "EBase";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_16:
switch (sel) {
case CP0_REG16__CONFIG:
gen_helper_mtc0_config0(tcg_env, arg);
register_name = "Config";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG16__CONFIG1:
/* ignored, read only */
register_name = "Config1";
break;
case CP0_REG16__CONFIG2:
gen_helper_mtc0_config2(tcg_env, arg);
register_name = "Config2";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG16__CONFIG3:
gen_helper_mtc0_config3(tcg_env, arg);
register_name = "Config3";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG16__CONFIG4:
gen_helper_mtc0_config4(tcg_env, arg);
register_name = "Config4";
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG16__CONFIG5:
gen_helper_mtc0_config5(tcg_env, arg);
register_name = "Config5";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
/* 6,7 are implementation dependent */
case CP0_REG16__CONFIG6:
/* ignored */
register_name = "Config6";
break;
case CP0_REG16__CONFIG7:
/* ignored */
register_name = "Config7";
break;
default:
register_name = "Invalid config selector";
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
gen_helper_mtc0_lladdr(tcg_env, arg);
register_name = "LLAddr";
break;
case CP0_REG17__MAAR:
CP0_CHECK(ctx->mrp);
gen_helper_mtc0_maar(tcg_env, arg);
register_name = "MAAR";
break;
case CP0_REG17__MAARI:
CP0_CHECK(ctx->mrp);
gen_helper_mtc0_maari(tcg_env, arg);
register_name = "MAARI";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_18:
switch (sel) {
case CP0_REG18__WATCHLO0:
case CP0_REG18__WATCHLO1:
case CP0_REG18__WATCHLO2:
case CP0_REG18__WATCHLO3:
case CP0_REG18__WATCHLO4:
case CP0_REG18__WATCHLO5:
case CP0_REG18__WATCHLO6:
case CP0_REG18__WATCHLO7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_0e1i(mtc0_watchlo, arg, sel);
register_name = "WatchLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_19:
switch (sel) {
case CP0_REG19__WATCHHI0:
case CP0_REG19__WATCHHI1:
case CP0_REG19__WATCHHI2:
case CP0_REG19__WATCHHI3:
case CP0_REG19__WATCHHI4:
case CP0_REG19__WATCHHI5:
case CP0_REG19__WATCHHI6:
case CP0_REG19__WATCHHI7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_0e1i(mtc0_watchhi, arg, sel);
register_name = "WatchHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_20:
switch (sel) {
case CP0_REG20__XCONTEXT:
#if defined(TARGET_MIPS64)
check_insn(ctx, ISA_MIPS3);
gen_helper_mtc0_xcontext(tcg_env, arg);
register_name = "XContext";
break;
#endif
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
switch (sel) {
case 0:
gen_helper_mtc0_framemask(tcg_env, arg);
register_name = "Framemask";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_22:
/* ignored */
register_name = "Diagnostic"; /* implementation dependent */
break;
case CP0_REGISTER_23:
switch (sel) {
case CP0_REG23__DEBUG:
gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */
/* DISAS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Debug";
break;
case CP0_REG23__TRACECONTROL:
/* PDtrace support */
/* gen_helper_mtc0_tracecontrol(tcg_env, arg); */
register_name = "TraceControl";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
goto cp0_unimplemented;
case CP0_REG23__TRACECONTROL2:
/* PDtrace support */
/* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */
register_name = "TraceControl2";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
goto cp0_unimplemented;
case CP0_REG23__USERTRACEDATA1:
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
/* PDtrace support */
/* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/
register_name = "UserTraceData";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
goto cp0_unimplemented;
case CP0_REG23__TRACEIBPC:
/* PDtrace support */
/* gen_helper_mtc0_traceibpc(tcg_env, arg); */
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "TraceIBPC";
goto cp0_unimplemented;
case CP0_REG23__TRACEDBPC:
/* PDtrace support */
/* gen_helper_mtc0_tracedbpc(tcg_env, arg); */
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "TraceDBPC";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_24:
switch (sel) {
case CP0_REG24__DEPC:
/* EJTAG support */
tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
register_name = "DEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_25:
switch (sel) {
case CP0_REG25__PERFCTL0:
gen_helper_mtc0_performance0(tcg_env, arg);
register_name = "Performance0";
break;
case CP0_REG25__PERFCNT0:
/* gen_helper_mtc0_performance1(arg); */
register_name = "Performance1";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL1:
/* gen_helper_mtc0_performance2(arg); */
register_name = "Performance2";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT1:
/* gen_helper_mtc0_performance3(arg); */
register_name = "Performance3";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL2:
/* gen_helper_mtc0_performance4(arg); */
register_name = "Performance4";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT2:
/* gen_helper_mtc0_performance5(arg); */
register_name = "Performance5";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL3:
/* gen_helper_mtc0_performance6(arg); */
register_name = "Performance6";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT3:
/* gen_helper_mtc0_performance7(arg); */
register_name = "Performance7";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_26:
switch (sel) {
case CP0_REG26__ERRCTL:
gen_helper_mtc0_errctl(tcg_env, arg);
ctx->base.is_jmp = DISAS_STOP;
register_name = "ErrCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_27:
switch (sel) {
case CP0_REG27__CACHERR:
/* ignored */
register_name = "CacheErr";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_28:
switch (sel) {
case CP0_REG28__TAGLO:
case CP0_REG28__TAGLO1:
case CP0_REG28__TAGLO2:
case CP0_REG28__TAGLO3:
gen_helper_mtc0_taglo(tcg_env, arg);
register_name = "TagLo";
break;
case CP0_REG28__DATALO:
case CP0_REG28__DATALO1:
case CP0_REG28__DATALO2:
case CP0_REG28__DATALO3:
gen_helper_mtc0_datalo(tcg_env, arg);
register_name = "DataLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_29:
switch (sel) {
case CP0_REG29__TAGHI:
case CP0_REG29__TAGHI1:
case CP0_REG29__TAGHI2:
case CP0_REG29__TAGHI3:
gen_helper_mtc0_taghi(tcg_env, arg);
register_name = "TagHi";
break;
case CP0_REG29__DATAHI:
case CP0_REG29__DATAHI1:
case CP0_REG29__DATAHI2:
case CP0_REG29__DATAHI3:
gen_helper_mtc0_datahi(tcg_env, arg);
register_name = "DataHi";
break;
default:
register_name = "invalid sel";
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_30:
switch (sel) {
case CP0_REG30__ERROREPC:
tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
register_name = "ErrorEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_31:
switch (sel) {
case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
case CP0_REG31__KSCRATCH1:
case CP0_REG31__KSCRATCH2:
case CP0_REG31__KSCRATCH3:
case CP0_REG31__KSCRATCH4:
case CP0_REG31__KSCRATCH5:
case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
register_name = "KScratch";
break;
default:
goto cp0_unimplemented;
}
break;
default:
goto cp0_unimplemented;
}
trace_mips_translate_c0("mtc0", register_name, reg, sel);
/* For simplicity assume that all writes can cause interrupts. */
if (icount) {
/*
* DISAS_STOP isn't sufficient, we need to ensure we break out of
* translated code to check for pending interrupts.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
}
return;
cp0_unimplemented:
qemu_log_mask(LOG_UNIMP, "mtc0 %s (reg %d sel %d)\n",
register_name, reg, sel);
}
#if defined(TARGET_MIPS64)
static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
if (sel != 0) {
check_insn(ctx, ISA_MIPS_R1);
}
switch (reg) {
case CP0_REGISTER_00:
switch (sel) {
case CP0_REG00__INDEX:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index));
register_name = "Index";
break;
case CP0_REG00__MVPCONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_mvpcontrol(arg, tcg_env);
register_name = "MVPControl";
break;
case CP0_REG00__MVPCONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_mvpconf0(arg, tcg_env);
register_name = "MVPConf0";
break;
case CP0_REG00__MVPCONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_mvpconf1(arg, tcg_env);
register_name = "MVPConf1";
break;
case CP0_REG00__VPCONTROL:
CP0_CHECK(ctx->vp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl));
register_name = "VPControl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_01:
switch (sel) {
case CP0_REG01__RANDOM:
CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
gen_helper_mfc0_random(arg, tcg_env);
register_name = "Random";
break;
case CP0_REG01__VPECONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl));
register_name = "VPEControl";
break;
case CP0_REG01__VPECONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0));
register_name = "VPEConf0";
break;
case CP0_REG01__VPECONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1));
register_name = "VPEConf1";
break;
case CP0_REG01__YQMASK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_YQMask));
register_name = "YQMask";
break;
case CP0_REG01__VPESCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_VPESchedule));
register_name = "VPESchedule";
break;
case CP0_REG01__VPESCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_VPEScheFBack));
register_name = "VPEScheFBack";
break;
case CP0_REG01__VPEOPT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt));
register_name = "VPEOpt";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_02:
switch (sel) {
case CP0_REG02__ENTRYLO0:
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_EntryLo0));
register_name = "EntryLo0";
break;
case CP0_REG02__TCSTATUS:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tcstatus(arg, tcg_env);
register_name = "TCStatus";
break;
case CP0_REG02__TCBIND:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mfc0_tcbind(arg, tcg_env);
register_name = "TCBind";
break;
case CP0_REG02__TCRESTART:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_dmfc0_tcrestart(arg, tcg_env);
register_name = "TCRestart";
break;
case CP0_REG02__TCHALT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_dmfc0_tchalt(arg, tcg_env);
register_name = "TCHalt";
break;
case CP0_REG02__TCCONTEXT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_dmfc0_tccontext(arg, tcg_env);
register_name = "TCContext";
break;
case CP0_REG02__TCSCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_dmfc0_tcschedule(arg, tcg_env);
register_name = "TCSchedule";
break;
case CP0_REG02__TCSCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_dmfc0_tcschefback(arg, tcg_env);
register_name = "TCScheFBack";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_03:
switch (sel) {
case CP0_REG03__ENTRYLO1:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryLo1));
register_name = "EntryLo1";
break;
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber));
register_name = "GlobalNumber";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_04:
switch (sel) {
case CP0_REG04__CONTEXT:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context));
register_name = "Context";
break;
case CP0_REG04__CONTEXTCONFIG:
/* SmartMIPS ASE */
/* gen_helper_dmfc0_contextconfig(arg); */
register_name = "ContextConfig";
goto cp0_unimplemented;
case CP0_REG04__USERLOCAL:
CP0_CHECK(ctx->ulri);
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
register_name = "UserLocal";
break;
case CP0_REG04__MMID:
CP0_CHECK(ctx->mi);
gen_helper_mtc0_memorymapid(tcg_env, arg);
register_name = "MMID";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_05:
switch (sel) {
case CP0_REG05__PAGEMASK:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask));
register_name = "PageMask";
break;
case CP0_REG05__PAGEGRAIN:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain));
register_name = "PageGrain";
break;
case CP0_REG05__SEGCTL0:
CP0_CHECK(ctx->sc);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0));
register_name = "SegCtl0";
break;
case CP0_REG05__SEGCTL1:
CP0_CHECK(ctx->sc);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1));
register_name = "SegCtl1";
break;
case CP0_REG05__SEGCTL2:
CP0_CHECK(ctx->sc);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2));
register_name = "SegCtl2";
break;
case CP0_REG05__PWBASE:
check_pw(ctx);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase));
register_name = "PWBase";
break;
case CP0_REG05__PWFIELD:
check_pw(ctx);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWField));
register_name = "PWField";
break;
case CP0_REG05__PWSIZE:
check_pw(ctx);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWSize));
register_name = "PWSize";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_06:
switch (sel) {
case CP0_REG06__WIRED:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired));
register_name = "Wired";
break;
case CP0_REG06__SRSCONF0:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0));
register_name = "SRSConf0";
break;
case CP0_REG06__SRSCONF1:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1));
register_name = "SRSConf1";
break;
case CP0_REG06__SRSCONF2:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2));
register_name = "SRSConf2";
break;
case CP0_REG06__SRSCONF3:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3));
register_name = "SRSConf3";
break;
case CP0_REG06__SRSCONF4:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4));
register_name = "SRSConf4";
break;
case CP0_REG06__PWCTL:
check_pw(ctx);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl));
register_name = "PWCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_07:
switch (sel) {
case CP0_REG07__HWRENA:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna));
register_name = "HWREna";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_08:
switch (sel) {
case CP0_REG08__BADVADDR:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr));
register_name = "BadVAddr";
break;
case CP0_REG08__BADINSTR:
CP0_CHECK(ctx->bi);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr));
register_name = "BadInstr";
break;
case CP0_REG08__BADINSTRP:
CP0_CHECK(ctx->bp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP));
register_name = "BadInstrP";
break;
case CP0_REG08__BADINSTRX:
CP0_CHECK(ctx->bi);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX));
tcg_gen_andi_tl(arg, arg, ~0xffff);
register_name = "BadInstrX";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__COUNT:
/* Mark as an IO operation because we read the time. */
translator_io_start(&ctx->base);
gen_helper_mfc0_count(arg, tcg_env);
/*
* Break the TB to be able to take timer interrupts immediately
* after reading count. DISAS_STOP isn't sufficient, we need to
* ensure we break completely out of translated code.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI));
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_dmfc0_saar(arg, tcg_env);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_10:
switch (sel) {
case CP0_REG10__ENTRYHI:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi));
register_name = "EntryHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_11:
switch (sel) {
case CP0_REG11__COMPARE:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare));
register_name = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_12:
switch (sel) {
case CP0_REG12__STATUS:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status));
register_name = "Status";
break;
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl));
register_name = "IntCtl";
break;
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl));
register_name = "SRSCtl";
break;
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS_R2);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
register_name = "SRSMap";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_13:
switch (sel) {
case CP0_REG13__CAUSE:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause));
register_name = "Cause";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_14:
switch (sel) {
case CP0_REG14__EPC:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
register_name = "EPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_15:
switch (sel) {
case CP0_REG15__PRID:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid));
register_name = "PRid";
break;
case CP0_REG15__EBASE:
check_insn(ctx, ISA_MIPS_R2);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase));
register_name = "EBase";
break;
case CP0_REG15__CMGCRBASE:
check_insn(ctx, ISA_MIPS_R2);
CP0_CHECK(ctx->cmgcr);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase));
register_name = "CMGCRBase";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_16:
switch (sel) {
case CP0_REG16__CONFIG:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0));
register_name = "Config";
break;
case CP0_REG16__CONFIG1:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1));
register_name = "Config1";
break;
case CP0_REG16__CONFIG2:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2));
register_name = "Config2";
break;
case CP0_REG16__CONFIG3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3));
register_name = "Config3";
break;
case CP0_REG16__CONFIG4:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4));
register_name = "Config4";
break;
case CP0_REG16__CONFIG5:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5));
register_name = "Config5";
break;
/* 6,7 are implementation dependent */
case CP0_REG16__CONFIG6:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6));
register_name = "Config6";
break;
case CP0_REG16__CONFIG7:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7));
register_name = "Config7";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
gen_helper_dmfc0_lladdr(arg, tcg_env);
register_name = "LLAddr";
break;
case CP0_REG17__MAAR:
CP0_CHECK(ctx->mrp);
gen_helper_dmfc0_maar(arg, tcg_env);
register_name = "MAAR";
break;
case CP0_REG17__MAARI:
CP0_CHECK(ctx->mrp);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI));
register_name = "MAARI";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_18:
switch (sel) {
case CP0_REG18__WATCHLO0:
case CP0_REG18__WATCHLO1:
case CP0_REG18__WATCHLO2:
case CP0_REG18__WATCHLO3:
case CP0_REG18__WATCHLO4:
case CP0_REG18__WATCHLO5:
case CP0_REG18__WATCHLO6:
case CP0_REG18__WATCHLO7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_1e0i(dmfc0_watchlo, arg, sel);
register_name = "WatchLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_19:
switch (sel) {
case CP0_REG19__WATCHHI0:
case CP0_REG19__WATCHHI1:
case CP0_REG19__WATCHHI2:
case CP0_REG19__WATCHHI3:
case CP0_REG19__WATCHHI4:
case CP0_REG19__WATCHHI5:
case CP0_REG19__WATCHHI6:
case CP0_REG19__WATCHHI7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_1e0i(dmfc0_watchhi, arg, sel);
register_name = "WatchHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_20:
switch (sel) {
case CP0_REG20__XCONTEXT:
check_insn(ctx, ISA_MIPS3);
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext));
register_name = "XContext";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
switch (sel) {
case 0:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask));
register_name = "Framemask";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_22:
tcg_gen_movi_tl(arg, 0); /* unimplemented */
register_name = "'Diagnostic"; /* implementation dependent */
break;
case CP0_REGISTER_23:
switch (sel) {
case CP0_REG23__DEBUG:
gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */
register_name = "Debug";
break;
case CP0_REG23__TRACECONTROL:
/* PDtrace support */
/* gen_helper_dmfc0_tracecontrol(arg, tcg_env); */
register_name = "TraceControl";
goto cp0_unimplemented;
case CP0_REG23__TRACECONTROL2:
/* PDtrace support */
/* gen_helper_dmfc0_tracecontrol2(arg, tcg_env); */
register_name = "TraceControl2";
goto cp0_unimplemented;
case CP0_REG23__USERTRACEDATA1:
/* PDtrace support */
/* gen_helper_dmfc0_usertracedata1(arg, tcg_env);*/
register_name = "UserTraceData1";
goto cp0_unimplemented;
case CP0_REG23__TRACEIBPC:
/* PDtrace support */
/* gen_helper_dmfc0_traceibpc(arg, tcg_env); */
register_name = "TraceIBPC";
goto cp0_unimplemented;
case CP0_REG23__TRACEDBPC:
/* PDtrace support */
/* gen_helper_dmfc0_tracedbpc(arg, tcg_env); */
register_name = "TraceDBPC";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_24:
switch (sel) {
case CP0_REG24__DEPC:
/* EJTAG support */
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
register_name = "DEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_25:
switch (sel) {
case CP0_REG25__PERFCTL0:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0));
register_name = "Performance0";
break;
case CP0_REG25__PERFCNT0:
/* gen_helper_dmfc0_performance1(arg); */
register_name = "Performance1";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL1:
/* gen_helper_dmfc0_performance2(arg); */
register_name = "Performance2";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT1:
/* gen_helper_dmfc0_performance3(arg); */
register_name = "Performance3";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL2:
/* gen_helper_dmfc0_performance4(arg); */
register_name = "Performance4";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT2:
/* gen_helper_dmfc0_performance5(arg); */
register_name = "Performance5";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL3:
/* gen_helper_dmfc0_performance6(arg); */
register_name = "Performance6";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT3:
/* gen_helper_dmfc0_performance7(arg); */
register_name = "Performance7";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_26:
switch (sel) {
case CP0_REG26__ERRCTL:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl));
register_name = "ErrCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_27:
switch (sel) {
/* ignored */
case CP0_REG27__CACHERR:
tcg_gen_movi_tl(arg, 0); /* unimplemented */
register_name = "CacheErr";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_28:
switch (sel) {
case CP0_REG28__TAGLO:
case CP0_REG28__TAGLO1:
case CP0_REG28__TAGLO2:
case CP0_REG28__TAGLO3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagLo));
register_name = "TagLo";
break;
case CP0_REG28__DATALO:
case CP0_REG28__DATALO1:
case CP0_REG28__DATALO2:
case CP0_REG28__DATALO3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo));
register_name = "DataLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_29:
switch (sel) {
case CP0_REG29__TAGHI:
case CP0_REG29__TAGHI1:
case CP0_REG29__TAGHI2:
case CP0_REG29__TAGHI3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi));
register_name = "TagHi";
break;
case CP0_REG29__DATAHI:
case CP0_REG29__DATAHI1:
case CP0_REG29__DATAHI2:
case CP0_REG29__DATAHI3:
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi));
register_name = "DataHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_30:
switch (sel) {
case CP0_REG30__ERROREPC:
tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
register_name = "ErrorEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_31:
switch (sel) {
case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
case CP0_REG31__KSCRATCH1:
case CP0_REG31__KSCRATCH2:
case CP0_REG31__KSCRATCH3:
case CP0_REG31__KSCRATCH4:
case CP0_REG31__KSCRATCH5:
case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_ld_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
register_name = "KScratch";
break;
default:
goto cp0_unimplemented;
}
break;
default:
goto cp0_unimplemented;
}
trace_mips_translate_c0("dmfc0", register_name, reg, sel);
return;
cp0_unimplemented:
qemu_log_mask(LOG_UNIMP, "dmfc0 %s (reg %d sel %d)\n",
register_name, reg, sel);
gen_mfc0_unimplemented(ctx, arg);
}
static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel)
{
const char *register_name = "invalid";
bool icount;
if (sel != 0) {
check_insn(ctx, ISA_MIPS_R1);
}
icount = translator_io_start(&ctx->base);
switch (reg) {
case CP0_REGISTER_00:
switch (sel) {
case CP0_REG00__INDEX:
gen_helper_mtc0_index(tcg_env, arg);
register_name = "Index";
break;
case CP0_REG00__MVPCONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_mvpcontrol(tcg_env, arg);
register_name = "MVPControl";
break;
case CP0_REG00__MVPCONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
/* ignored */
register_name = "MVPConf0";
break;
case CP0_REG00__MVPCONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
/* ignored */
register_name = "MVPConf1";
break;
case CP0_REG00__VPCONTROL:
CP0_CHECK(ctx->vp);
/* ignored */
register_name = "VPControl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_01:
switch (sel) {
case CP0_REG01__RANDOM:
/* ignored */
register_name = "Random";
break;
case CP0_REG01__VPECONTROL:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpecontrol(tcg_env, arg);
register_name = "VPEControl";
break;
case CP0_REG01__VPECONF0:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpeconf0(tcg_env, arg);
register_name = "VPEConf0";
break;
case CP0_REG01__VPECONF1:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpeconf1(tcg_env, arg);
register_name = "VPEConf1";
break;
case CP0_REG01__YQMASK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_yqmask(tcg_env, arg);
register_name = "YQMask";
break;
case CP0_REG01__VPESCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_VPESchedule));
register_name = "VPESchedule";
break;
case CP0_REG01__VPESCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_VPEScheFBack));
register_name = "VPEScheFBack";
break;
case CP0_REG01__VPEOPT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_vpeopt(tcg_env, arg);
register_name = "VPEOpt";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_02:
switch (sel) {
case CP0_REG02__ENTRYLO0:
gen_helper_dmtc0_entrylo0(tcg_env, arg);
register_name = "EntryLo0";
break;
case CP0_REG02__TCSTATUS:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcstatus(tcg_env, arg);
register_name = "TCStatus";
break;
case CP0_REG02__TCBIND:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcbind(tcg_env, arg);
register_name = "TCBind";
break;
case CP0_REG02__TCRESTART:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcrestart(tcg_env, arg);
register_name = "TCRestart";
break;
case CP0_REG02__TCHALT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tchalt(tcg_env, arg);
register_name = "TCHalt";
break;
case CP0_REG02__TCCONTEXT:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tccontext(tcg_env, arg);
register_name = "TCContext";
break;
case CP0_REG02__TCSCHEDULE:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcschedule(tcg_env, arg);
register_name = "TCSchedule";
break;
case CP0_REG02__TCSCHEFBACK:
CP0_CHECK(ctx->insn_flags & ASE_MT);
gen_helper_mtc0_tcschefback(tcg_env, arg);
register_name = "TCScheFBack";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_03:
switch (sel) {
case CP0_REG03__ENTRYLO1:
gen_helper_dmtc0_entrylo1(tcg_env, arg);
register_name = "EntryLo1";
break;
case CP0_REG03__GLOBALNUM:
CP0_CHECK(ctx->vp);
/* ignored */
register_name = "GlobalNumber";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_04:
switch (sel) {
case CP0_REG04__CONTEXT:
gen_helper_mtc0_context(tcg_env, arg);
register_name = "Context";
break;
case CP0_REG04__CONTEXTCONFIG:
/* SmartMIPS ASE */
/* gen_helper_dmtc0_contextconfig(arg); */
register_name = "ContextConfig";
goto cp0_unimplemented;
case CP0_REG04__USERLOCAL:
CP0_CHECK(ctx->ulri);
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
register_name = "UserLocal";
break;
case CP0_REG04__MMID:
CP0_CHECK(ctx->mi);
gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID));
register_name = "MMID";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_05:
switch (sel) {
case CP0_REG05__PAGEMASK:
gen_helper_mtc0_pagemask(tcg_env, arg);
register_name = "PageMask";
break;
case CP0_REG05__PAGEGRAIN:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_pagegrain(tcg_env, arg);
register_name = "PageGrain";
break;
case CP0_REG05__SEGCTL0:
CP0_CHECK(ctx->sc);
gen_helper_mtc0_segctl0(tcg_env, arg);
register_name = "SegCtl0";
break;
case CP0_REG05__SEGCTL1:
CP0_CHECK(ctx->sc);
gen_helper_mtc0_segctl1(tcg_env, arg);
register_name = "SegCtl1";
break;
case CP0_REG05__SEGCTL2:
CP0_CHECK(ctx->sc);
gen_helper_mtc0_segctl2(tcg_env, arg);
register_name = "SegCtl2";
break;
case CP0_REG05__PWBASE:
check_pw(ctx);
tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase));
register_name = "PWBase";
break;
case CP0_REG05__PWFIELD:
check_pw(ctx);
gen_helper_mtc0_pwfield(tcg_env, arg);
register_name = "PWField";
break;
case CP0_REG05__PWSIZE:
check_pw(ctx);
gen_helper_mtc0_pwsize(tcg_env, arg);
register_name = "PWSize";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_06:
switch (sel) {
case CP0_REG06__WIRED:
gen_helper_mtc0_wired(tcg_env, arg);
register_name = "Wired";
break;
case CP0_REG06__SRSCONF0:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf0(tcg_env, arg);
register_name = "SRSConf0";
break;
case CP0_REG06__SRSCONF1:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf1(tcg_env, arg);
register_name = "SRSConf1";
break;
case CP0_REG06__SRSCONF2:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf2(tcg_env, arg);
register_name = "SRSConf2";
break;
case CP0_REG06__SRSCONF3:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf3(tcg_env, arg);
register_name = "SRSConf3";
break;
case CP0_REG06__SRSCONF4:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsconf4(tcg_env, arg);
register_name = "SRSConf4";
break;
case CP0_REG06__PWCTL:
check_pw(ctx);
gen_helper_mtc0_pwctl(tcg_env, arg);
register_name = "PWCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_07:
switch (sel) {
case CP0_REG07__HWRENA:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_hwrena(tcg_env, arg);
ctx->base.is_jmp = DISAS_STOP;
register_name = "HWREna";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_08:
switch (sel) {
case CP0_REG08__BADVADDR:
/* ignored */
register_name = "BadVAddr";
break;
case CP0_REG08__BADINSTR:
/* ignored */
register_name = "BadInstr";
break;
case CP0_REG08__BADINSTRP:
/* ignored */
register_name = "BadInstrP";
break;
case CP0_REG08__BADINSTRX:
/* ignored */
register_name = "BadInstrX";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_09:
switch (sel) {
case CP0_REG09__COUNT:
gen_helper_mtc0_count(tcg_env, arg);
register_name = "Count";
break;
case CP0_REG09__SAARI:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saari(tcg_env, arg);
register_name = "SAARI";
break;
case CP0_REG09__SAAR:
CP0_CHECK(ctx->saar);
gen_helper_mtc0_saar(tcg_env, arg);
register_name = "SAAR";
break;
default:
goto cp0_unimplemented;
}
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REGISTER_10:
switch (sel) {
case CP0_REG10__ENTRYHI:
gen_helper_mtc0_entryhi(tcg_env, arg);
register_name = "EntryHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_11:
switch (sel) {
case CP0_REG11__COMPARE:
gen_helper_mtc0_compare(tcg_env, arg);
register_name = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto cp0_unimplemented;
}
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REGISTER_12:
switch (sel) {
case CP0_REG12__STATUS:
save_cpu_state(ctx, 1);
gen_helper_mtc0_status(tcg_env, arg);
/* DISAS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Status";
break;
case CP0_REG12__INTCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_intctl(tcg_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "IntCtl";
break;
case CP0_REG12__SRSCTL:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_srsctl(tcg_env, arg);
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "SRSCtl";
break;
case CP0_REG12__SRSMAP:
check_insn(ctx, ISA_MIPS_R2);
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap));
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "SRSMap";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_13:
switch (sel) {
case CP0_REG13__CAUSE:
save_cpu_state(ctx, 1);
gen_helper_mtc0_cause(tcg_env, arg);
/*
* Stop translation as we may have triggered an interrupt.
* DISAS_STOP isn't sufficient, we need to ensure we break out of
* translated code to check for pending interrupts.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Cause";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_14:
switch (sel) {
case CP0_REG14__EPC:
tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC));
register_name = "EPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_15:
switch (sel) {
case CP0_REG15__PRID:
/* ignored */
register_name = "PRid";
break;
case CP0_REG15__EBASE:
check_insn(ctx, ISA_MIPS_R2);
gen_helper_mtc0_ebase(tcg_env, arg);
register_name = "EBase";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_16:
switch (sel) {
case CP0_REG16__CONFIG:
gen_helper_mtc0_config0(tcg_env, arg);
register_name = "Config";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG16__CONFIG1:
/* ignored, read only */
register_name = "Config1";
break;
case CP0_REG16__CONFIG2:
gen_helper_mtc0_config2(tcg_env, arg);
register_name = "Config2";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG16__CONFIG3:
gen_helper_mtc0_config3(tcg_env, arg);
register_name = "Config3";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
case CP0_REG16__CONFIG4:
/* currently ignored */
register_name = "Config4";
break;
case CP0_REG16__CONFIG5:
gen_helper_mtc0_config5(tcg_env, arg);
register_name = "Config5";
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
break;
/* 6,7 are implementation dependent */
default:
register_name = "Invalid config selector";
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_17:
switch (sel) {
case CP0_REG17__LLADDR:
gen_helper_mtc0_lladdr(tcg_env, arg);
register_name = "LLAddr";
break;
case CP0_REG17__MAAR:
CP0_CHECK(ctx->mrp);
gen_helper_mtc0_maar(tcg_env, arg);
register_name = "MAAR";
break;
case CP0_REG17__MAARI:
CP0_CHECK(ctx->mrp);
gen_helper_mtc0_maari(tcg_env, arg);
register_name = "MAARI";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_18:
switch (sel) {
case CP0_REG18__WATCHLO0:
case CP0_REG18__WATCHLO1:
case CP0_REG18__WATCHLO2:
case CP0_REG18__WATCHLO3:
case CP0_REG18__WATCHLO4:
case CP0_REG18__WATCHLO5:
case CP0_REG18__WATCHLO6:
case CP0_REG18__WATCHLO7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_0e1i(mtc0_watchlo, arg, sel);
register_name = "WatchLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_19:
switch (sel) {
case CP0_REG19__WATCHHI0:
case CP0_REG19__WATCHHI1:
case CP0_REG19__WATCHHI2:
case CP0_REG19__WATCHHI3:
case CP0_REG19__WATCHHI4:
case CP0_REG19__WATCHHI5:
case CP0_REG19__WATCHHI6:
case CP0_REG19__WATCHHI7:
CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR));
gen_helper_0e1i(mtc0_watchhi, arg, sel);
register_name = "WatchHi";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_20:
switch (sel) {
case CP0_REG20__XCONTEXT:
check_insn(ctx, ISA_MIPS3);
gen_helper_mtc0_xcontext(tcg_env, arg);
register_name = "XContext";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6));
switch (sel) {
case 0:
gen_helper_mtc0_framemask(tcg_env, arg);
register_name = "Framemask";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_22:
/* ignored */
register_name = "Diagnostic"; /* implementation dependent */
break;
case CP0_REGISTER_23:
switch (sel) {
case CP0_REG23__DEBUG:
gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */
/* DISAS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
register_name = "Debug";
break;
case CP0_REG23__TRACECONTROL:
/* PDtrace support */
/* gen_helper_mtc0_tracecontrol(tcg_env, arg); */
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "TraceControl";
goto cp0_unimplemented;
case CP0_REG23__TRACECONTROL2:
/* PDtrace support */
/* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "TraceControl2";
goto cp0_unimplemented;
case CP0_REG23__USERTRACEDATA1:
/* PDtrace support */
/* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "UserTraceData1";
goto cp0_unimplemented;
case CP0_REG23__TRACEIBPC:
/* PDtrace support */
/* gen_helper_mtc0_traceibpc(tcg_env, arg); */
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "TraceIBPC";
goto cp0_unimplemented;
case CP0_REG23__TRACEDBPC:
/* PDtrace support */
/* gen_helper_mtc0_tracedbpc(tcg_env, arg); */
/* Stop translation as we may have switched the execution mode */
ctx->base.is_jmp = DISAS_STOP;
register_name = "TraceDBPC";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_24:
switch (sel) {
case CP0_REG24__DEPC:
/* EJTAG support */
tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC));
register_name = "DEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_25:
switch (sel) {
case CP0_REG25__PERFCTL0:
gen_helper_mtc0_performance0(tcg_env, arg);
register_name = "Performance0";
break;
case CP0_REG25__PERFCNT0:
/* gen_helper_mtc0_performance1(tcg_env, arg); */
register_name = "Performance1";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL1:
/* gen_helper_mtc0_performance2(tcg_env, arg); */
register_name = "Performance2";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT1:
/* gen_helper_mtc0_performance3(tcg_env, arg); */
register_name = "Performance3";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL2:
/* gen_helper_mtc0_performance4(tcg_env, arg); */
register_name = "Performance4";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT2:
/* gen_helper_mtc0_performance5(tcg_env, arg); */
register_name = "Performance5";
goto cp0_unimplemented;
case CP0_REG25__PERFCTL3:
/* gen_helper_mtc0_performance6(tcg_env, arg); */
register_name = "Performance6";
goto cp0_unimplemented;
case CP0_REG25__PERFCNT3:
/* gen_helper_mtc0_performance7(tcg_env, arg); */
register_name = "Performance7";
goto cp0_unimplemented;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_26:
switch (sel) {
case CP0_REG26__ERRCTL:
gen_helper_mtc0_errctl(tcg_env, arg);
ctx->base.is_jmp = DISAS_STOP;
register_name = "ErrCtl";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_27:
switch (sel) {
case CP0_REG27__CACHERR:
/* ignored */
register_name = "CacheErr";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_28:
switch (sel) {
case CP0_REG28__TAGLO:
case CP0_REG28__TAGLO1:
case CP0_REG28__TAGLO2:
case CP0_REG28__TAGLO3:
gen_helper_mtc0_taglo(tcg_env, arg);
register_name = "TagLo";
break;
case CP0_REG28__DATALO:
case CP0_REG28__DATALO1:
case CP0_REG28__DATALO2:
case CP0_REG28__DATALO3:
gen_helper_mtc0_datalo(tcg_env, arg);
register_name = "DataLo";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_29:
switch (sel) {
case CP0_REG29__TAGHI:
case CP0_REG29__TAGHI1:
case CP0_REG29__TAGHI2:
case CP0_REG29__TAGHI3:
gen_helper_mtc0_taghi(tcg_env, arg);
register_name = "TagHi";
break;
case CP0_REG29__DATAHI:
case CP0_REG29__DATAHI1:
case CP0_REG29__DATAHI2:
case CP0_REG29__DATAHI3:
gen_helper_mtc0_datahi(tcg_env, arg);
register_name = "DataHi";
break;
default:
register_name = "invalid sel";
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_30:
switch (sel) {
case CP0_REG30__ERROREPC:
tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC));
register_name = "ErrorEPC";
break;
default:
goto cp0_unimplemented;
}
break;
case CP0_REGISTER_31:
switch (sel) {
case CP0_REG31__DESAVE:
/* EJTAG support */
gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE));
register_name = "DESAVE";
break;
case CP0_REG31__KSCRATCH1:
case CP0_REG31__KSCRATCH2:
case CP0_REG31__KSCRATCH3:
case CP0_REG31__KSCRATCH4:
case CP0_REG31__KSCRATCH5:
case CP0_REG31__KSCRATCH6:
CP0_CHECK(ctx->kscrexist & (1 << sel));
tcg_gen_st_tl(arg, tcg_env,
offsetof(CPUMIPSState, CP0_KScratch[sel - 2]));
register_name = "KScratch";
break;
default:
goto cp0_unimplemented;
}
break;
default:
goto cp0_unimplemented;
}
trace_mips_translate_c0("dmtc0", register_name, reg, sel);
/* For simplicity assume that all writes can cause interrupts. */
if (icount) {
/*
* DISAS_STOP isn't sufficient, we need to ensure we break out of
* translated code to check for pending interrupts.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
}
return;
cp0_unimplemented:
qemu_log_mask(LOG_UNIMP, "dmtc0 %s (reg %d sel %d)\n",
register_name, reg, sel);
}
#endif /* TARGET_MIPS64 */
static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd,
int u, int sel, int h)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
TCGv t0 = tcg_temp_new();
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
tcg_gen_movi_tl(t0, -1);
} else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
tcg_gen_movi_tl(t0, -1);
} else if (u == 0) {
switch (rt) {
case 1:
switch (sel) {
case 1:
gen_helper_mftc0_vpecontrol(t0, tcg_env);
break;
case 2:
gen_helper_mftc0_vpeconf0(t0, tcg_env);
break;
default:
goto die;
break;
}
break;
case 2:
switch (sel) {
case 1:
gen_helper_mftc0_tcstatus(t0, tcg_env);
break;
case 2:
gen_helper_mftc0_tcbind(t0, tcg_env);
break;
case 3:
gen_helper_mftc0_tcrestart(t0, tcg_env);
break;
case 4:
gen_helper_mftc0_tchalt(t0, tcg_env);
break;
case 5:
gen_helper_mftc0_tccontext(t0, tcg_env);
break;
case 6:
gen_helper_mftc0_tcschedule(t0, tcg_env);
break;
case 7:
gen_helper_mftc0_tcschefback(t0, tcg_env);
break;
default:
gen_mfc0(ctx, t0, rt, sel);
break;
}
break;
case 10:
switch (sel) {
case 0:
gen_helper_mftc0_entryhi(t0, tcg_env);
break;
default:
gen_mfc0(ctx, t0, rt, sel);
break;
}
break;
case 12:
switch (sel) {
case 0:
gen_helper_mftc0_status(t0, tcg_env);
break;
default:
gen_mfc0(ctx, t0, rt, sel);
break;
}
break;
case 13:
switch (sel) {
case 0:
gen_helper_mftc0_cause(t0, tcg_env);
break;
default:
goto die;
break;
}
break;
case 14:
switch (sel) {
case 0:
gen_helper_mftc0_epc(t0, tcg_env);
break;
default:
goto die;
break;
}
break;
case 15:
switch (sel) {
case 1:
gen_helper_mftc0_ebase(t0, tcg_env);
break;
default:
goto die;
break;
}
break;
case 16:
switch (sel) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
gen_helper_mftc0_configx(t0, tcg_env, tcg_constant_tl(sel));
break;
default:
goto die;
break;
}
break;
case 23:
switch (sel) {
case 0:
gen_helper_mftc0_debug(t0, tcg_env);
break;
default:
gen_mfc0(ctx, t0, rt, sel);
break;
}
break;
default:
gen_mfc0(ctx, t0, rt, sel);
}
} else {
switch (sel) {
/* GPR registers. */
case 0:
gen_helper_1e0i(mftgpr, t0, rt);
break;
/* Auxiliary CPU registers */
case 1:
switch (rt) {
case 0:
gen_helper_1e0i(mftlo, t0, 0);
break;
case 1:
gen_helper_1e0i(mfthi, t0, 0);
break;
case 2:
gen_helper_1e0i(mftacx, t0, 0);
break;
case 4:
gen_helper_1e0i(mftlo, t0, 1);
break;
case 5:
gen_helper_1e0i(mfthi, t0, 1);
break;
case 6:
gen_helper_1e0i(mftacx, t0, 1);
break;
case 8:
gen_helper_1e0i(mftlo, t0, 2);
break;
case 9:
gen_helper_1e0i(mfthi, t0, 2);
break;
case 10:
gen_helper_1e0i(mftacx, t0, 2);
break;
case 12:
gen_helper_1e0i(mftlo, t0, 3);
break;
case 13:
gen_helper_1e0i(mfthi, t0, 3);
break;
case 14:
gen_helper_1e0i(mftacx, t0, 3);
break;
case 16:
gen_helper_mftdsp(t0, tcg_env);
break;
default:
goto die;
}
break;
/* Floating point (COP1). */
case 2:
/* XXX: For now we support only a single FPU context. */
if (h == 0) {
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, rt);
tcg_gen_ext_i32_tl(t0, fp0);
} else {
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32h(ctx, fp0, rt);
tcg_gen_ext_i32_tl(t0, fp0);
}
break;
case 3:
/* XXX: For now we support only a single FPU context. */
gen_helper_1e0i(cfc1, t0, rt);
break;
/* COP2: Not implemented. */
case 4:
case 5:
/* fall through */
default:
goto die;
}
}
trace_mips_translate_tr("mftr", rt, u, sel, h);
gen_store_gpr(t0, rd);
return;
die:
LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
gen_reserved_instruction(ctx);
}
static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt,
int u, int sel, int h)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
TCGv t0 = tcg_temp_new();
gen_load_gpr(t0, rt);
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) {
/* NOP */
;
} else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) {
/* NOP */
;
} else if (u == 0) {
switch (rd) {
case 1:
switch (sel) {
case 1:
gen_helper_mttc0_vpecontrol(tcg_env, t0);
break;
case 2:
gen_helper_mttc0_vpeconf0(tcg_env, t0);
break;
default:
goto die;
break;
}
break;
case 2:
switch (sel) {
case 1:
gen_helper_mttc0_tcstatus(tcg_env, t0);
break;
case 2:
gen_helper_mttc0_tcbind(tcg_env, t0);
break;
case 3:
gen_helper_mttc0_tcrestart(tcg_env, t0);
break;
case 4:
gen_helper_mttc0_tchalt(tcg_env, t0);
break;
case 5:
gen_helper_mttc0_tccontext(tcg_env, t0);
break;
case 6:
gen_helper_mttc0_tcschedule(tcg_env, t0);
break;
case 7:
gen_helper_mttc0_tcschefback(tcg_env, t0);
break;
default:
gen_mtc0(ctx, t0, rd, sel);
break;
}
break;
case 10:
switch (sel) {
case 0:
gen_helper_mttc0_entryhi(tcg_env, t0);
break;
default:
gen_mtc0(ctx, t0, rd, sel);
break;
}
break;
case 12:
switch (sel) {
case 0:
gen_helper_mttc0_status(tcg_env, t0);
break;
default:
gen_mtc0(ctx, t0, rd, sel);
break;
}
break;
case 13:
switch (sel) {
case 0:
gen_helper_mttc0_cause(tcg_env, t0);
break;
default:
goto die;
break;
}
break;
case 15:
switch (sel) {
case 1:
gen_helper_mttc0_ebase(tcg_env, t0);
break;
default:
goto die;
break;
}
break;
case 23:
switch (sel) {
case 0:
gen_helper_mttc0_debug(tcg_env, t0);
break;
default:
gen_mtc0(ctx, t0, rd, sel);
break;
}
break;
default:
gen_mtc0(ctx, t0, rd, sel);
}
} else {
switch (sel) {
/* GPR registers. */
case 0:
gen_helper_0e1i(mttgpr, t0, rd);
break;
/* Auxiliary CPU registers */
case 1:
switch (rd) {
case 0:
gen_helper_0e1i(mttlo, t0, 0);
break;
case 1:
gen_helper_0e1i(mtthi, t0, 0);
break;
case 2:
gen_helper_0e1i(mttacx, t0, 0);
break;
case 4:
gen_helper_0e1i(mttlo, t0, 1);
break;
case 5:
gen_helper_0e1i(mtthi, t0, 1);
break;
case 6:
gen_helper_0e1i(mttacx, t0, 1);
break;
case 8:
gen_helper_0e1i(mttlo, t0, 2);
break;
case 9:
gen_helper_0e1i(mtthi, t0, 2);
break;
case 10:
gen_helper_0e1i(mttacx, t0, 2);
break;
case 12:
gen_helper_0e1i(mttlo, t0, 3);
break;
case 13:
gen_helper_0e1i(mtthi, t0, 3);
break;
case 14:
gen_helper_0e1i(mttacx, t0, 3);
break;
case 16:
gen_helper_mttdsp(tcg_env, t0);
break;
default:
goto die;
}
break;
/* Floating point (COP1). */
case 2:
/* XXX: For now we support only a single FPU context. */
if (h == 0) {
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32(ctx, fp0, rd);
} else {
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32h(ctx, fp0, rd);
}
break;
case 3:
/* XXX: For now we support only a single FPU context. */
gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt);
/* Stop translation as we may have changed hflags */
ctx->base.is_jmp = DISAS_STOP;
break;
/* COP2: Not implemented. */
case 4:
case 5:
/* fall through */
default:
goto die;
}
}
trace_mips_translate_tr("mttr", rd, u, sel, h);
return;
die:
LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
gen_reserved_instruction(ctx);
}
static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
int rt, int rd)
{
const char *opn = "ldst";
check_cp0_enabled(ctx);
switch (opc) {
case OPC_MFC0:
if (rt == 0) {
/* Treat as NOP. */
return;
}
gen_mfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
opn = "mfc0";
break;
case OPC_MTC0:
{
TCGv t0 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_mtc0(ctx, t0, rd, ctx->opcode & 0x7);
}
opn = "mtc0";
break;
#if defined(TARGET_MIPS64)
case OPC_DMFC0:
check_insn(ctx, ISA_MIPS3);
if (rt == 0) {
/* Treat as NOP. */
return;
}
gen_dmfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
opn = "dmfc0";
break;
case OPC_DMTC0:
check_insn(ctx, ISA_MIPS3);
{
TCGv t0 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_dmtc0(ctx, t0, rd, ctx->opcode & 0x7);
}
opn = "dmtc0";
break;
#endif
case OPC_MFHC0:
check_mvh(ctx);
if (rt == 0) {
/* Treat as NOP. */
return;
}
gen_mfhc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
opn = "mfhc0";
break;
case OPC_MTHC0:
check_mvh(ctx);
{
TCGv t0 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_mthc0(ctx, t0, rd, ctx->opcode & 0x7);
}
opn = "mthc0";
break;
case OPC_MFTR:
check_cp0_enabled(ctx);
if (rd == 0) {
/* Treat as NOP. */
return;
}
gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
opn = "mftr";
break;
case OPC_MTTR:
check_cp0_enabled(ctx);
gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
opn = "mttr";
break;
case OPC_TLBWI:
opn = "tlbwi";
if (!env->tlb->helper_tlbwi) {
goto die;
}
gen_helper_tlbwi(tcg_env);
break;
case OPC_TLBINV:
opn = "tlbinv";
if (ctx->ie >= 2) {
if (!env->tlb->helper_tlbinv) {
goto die;
}
gen_helper_tlbinv(tcg_env);
} /* treat as nop if TLBINV not supported */
break;
case OPC_TLBINVF:
opn = "tlbinvf";
if (ctx->ie >= 2) {
if (!env->tlb->helper_tlbinvf) {
goto die;
}
gen_helper_tlbinvf(tcg_env);
} /* treat as nop if TLBINV not supported */
break;
case OPC_TLBWR:
opn = "tlbwr";
if (!env->tlb->helper_tlbwr) {
goto die;
}
gen_helper_tlbwr(tcg_env);
break;
case OPC_TLBP:
opn = "tlbp";
if (!env->tlb->helper_tlbp) {
goto die;
}
gen_helper_tlbp(tcg_env);
break;
case OPC_TLBR:
opn = "tlbr";
if (!env->tlb->helper_tlbr) {
goto die;
}
gen_helper_tlbr(tcg_env);
break;
case OPC_ERET: /* OPC_ERETNC */
if ((ctx->insn_flags & ISA_MIPS_R6) &&
(ctx->hflags & MIPS_HFLAG_BMASK)) {
goto die;
} else {
int bit_shift = (ctx->hflags & MIPS_HFLAG_M16) ? 16 : 6;
if (ctx->opcode & (1 << bit_shift)) {
/* OPC_ERETNC */
opn = "eretnc";
check_insn(ctx, ISA_MIPS_R5);
gen_helper_eretnc(tcg_env);
} else {
/* OPC_ERET */
opn = "eret";
check_insn(ctx, ISA_MIPS2);
gen_helper_eret(tcg_env);
}
ctx->base.is_jmp = DISAS_EXIT;
}
break;
case OPC_DERET:
opn = "deret";
check_insn(ctx, ISA_MIPS_R1);
if ((ctx->insn_flags & ISA_MIPS_R6) &&
(ctx->hflags & MIPS_HFLAG_BMASK)) {
goto die;
}
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
MIPS_INVAL(opn);
gen_reserved_instruction(ctx);
} else {
gen_helper_deret(tcg_env);
ctx->base.is_jmp = DISAS_EXIT;
}
break;
case OPC_WAIT:
opn = "wait";
check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1);
if ((ctx->insn_flags & ISA_MIPS_R6) &&
(ctx->hflags & MIPS_HFLAG_BMASK)) {
goto die;
}
/* If we get an exception, we want to restart at next instruction */
ctx->base.pc_next += 4;
save_cpu_state(ctx, 1);
ctx->base.pc_next -= 4;
gen_helper_wait(tcg_env);
ctx->base.is_jmp = DISAS_NORETURN;
break;
default:
die:
MIPS_INVAL(opn);
gen_reserved_instruction(ctx);
return;
}
(void)opn; /* avoid a compiler warning */
}
#endif /* !CONFIG_USER_ONLY */
/* CP1 Branches (before delay slot) */
static void gen_compute_branch1(DisasContext *ctx, uint32_t op,
int32_t cc, int32_t offset)
{
target_ulong btarget;
TCGv_i32 t0 = tcg_temp_new_i32();
if ((ctx->insn_flags & ISA_MIPS_R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) {
gen_reserved_instruction(ctx);
return;
}
if (cc != 0) {
check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1);
}
btarget = ctx->base.pc_next + 4 + offset;
switch (op) {
case OPC_BC1F:
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_not_i32(t0, t0);
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
goto not_likely;
case OPC_BC1FL:
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_not_i32(t0, t0);
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
goto likely;
case OPC_BC1T:
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
goto not_likely;
case OPC_BC1TL:
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
likely:
ctx->hflags |= MIPS_HFLAG_BL;
break;
case OPC_BC1FANY2:
{
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
tcg_gen_nand_i32(t0, t0, t1);
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
}
goto not_likely;
case OPC_BC1TANY2:
{
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
tcg_gen_or_i32(t0, t0, t1);
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
}
goto not_likely;
case OPC_BC1FANY4:
{
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
tcg_gen_and_i32(t0, t0, t1);
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2));
tcg_gen_and_i32(t0, t0, t1);
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3));
tcg_gen_nand_i32(t0, t0, t1);
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
}
goto not_likely;
case OPC_BC1TANY4:
{
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1));
tcg_gen_or_i32(t0, t0, t1);
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2));
tcg_gen_or_i32(t0, t0, t1);
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3));
tcg_gen_or_i32(t0, t0, t1);
tcg_gen_andi_i32(t0, t0, 1);
tcg_gen_extu_i32_tl(bcond, t0);
}
not_likely:
ctx->hflags |= MIPS_HFLAG_BC;
break;
default:
MIPS_INVAL("cp1 cond branch");
gen_reserved_instruction(ctx);
return;
}
ctx->btarget = btarget;
ctx->hflags |= MIPS_HFLAG_BDS32;
}
/* R6 CP1 Branches */
static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op,
int32_t ft, int32_t offset,
int delayslot_size)
{
target_ulong btarget;
TCGv_i64 t0 = tcg_temp_new_i64();
if (ctx->hflags & MIPS_HFLAG_BMASK) {
#ifdef MIPS_DEBUG_DISAS
LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016"
VADDR_PRIx "\n", ctx->base.pc_next);
#endif
gen_reserved_instruction(ctx);
return;
}
gen_load_fpr64(ctx, t0, ft);
tcg_gen_andi_i64(t0, t0, 1);
btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
switch (op) {
case OPC_BC1EQZ:
tcg_gen_xori_i64(t0, t0, 1);
ctx->hflags |= MIPS_HFLAG_BC;
break;
case OPC_BC1NEZ:
/* t0 already set */
ctx->hflags |= MIPS_HFLAG_BC;
break;
default:
MIPS_INVAL("cp1 cond branch");
gen_reserved_instruction(ctx);
return;
}
tcg_gen_trunc_i64_tl(bcond, t0);
ctx->btarget = btarget;
switch (delayslot_size) {
case 2:
ctx->hflags |= MIPS_HFLAG_BDS16;
break;
case 4:
ctx->hflags |= MIPS_HFLAG_BDS32;
break;
}
}
/* Coprocessor 1 (FPU) */
#define FOP(func, fmt) (((fmt) << 21) | (func))
enum fopcode {
OPC_ADD_S = FOP(0, FMT_S),
OPC_SUB_S = FOP(1, FMT_S),
OPC_MUL_S = FOP(2, FMT_S),
OPC_DIV_S = FOP(3, FMT_S),
OPC_SQRT_S = FOP(4, FMT_S),
OPC_ABS_S = FOP(5, FMT_S),
OPC_MOV_S = FOP(6, FMT_S),
OPC_NEG_S = FOP(7, FMT_S),
OPC_ROUND_L_S = FOP(8, FMT_S),
OPC_TRUNC_L_S = FOP(9, FMT_S),
OPC_CEIL_L_S = FOP(10, FMT_S),
OPC_FLOOR_L_S = FOP(11, FMT_S),
OPC_ROUND_W_S = FOP(12, FMT_S),
OPC_TRUNC_W_S = FOP(13, FMT_S),
OPC_CEIL_W_S = FOP(14, FMT_S),
OPC_FLOOR_W_S = FOP(15, FMT_S),
OPC_SEL_S = FOP(16, FMT_S),
OPC_MOVCF_S = FOP(17, FMT_S),
OPC_MOVZ_S = FOP(18, FMT_S),
OPC_MOVN_S = FOP(19, FMT_S),
OPC_SELEQZ_S = FOP(20, FMT_S),
OPC_RECIP_S = FOP(21, FMT_S),
OPC_RSQRT_S = FOP(22, FMT_S),
OPC_SELNEZ_S = FOP(23, FMT_S),
OPC_MADDF_S = FOP(24, FMT_S),
OPC_MSUBF_S = FOP(25, FMT_S),
OPC_RINT_S = FOP(26, FMT_S),
OPC_CLASS_S = FOP(27, FMT_S),
OPC_MIN_S = FOP(28, FMT_S),
OPC_RECIP2_S = FOP(28, FMT_S),
OPC_MINA_S = FOP(29, FMT_S),
OPC_RECIP1_S = FOP(29, FMT_S),
OPC_MAX_S = FOP(30, FMT_S),
OPC_RSQRT1_S = FOP(30, FMT_S),
OPC_MAXA_S = FOP(31, FMT_S),
OPC_RSQRT2_S = FOP(31, FMT_S),
OPC_CVT_D_S = FOP(33, FMT_S),
OPC_CVT_W_S = FOP(36, FMT_S),
OPC_CVT_L_S = FOP(37, FMT_S),
OPC_CVT_PS_S = FOP(38, FMT_S),
OPC_CMP_F_S = FOP(48, FMT_S),
OPC_CMP_UN_S = FOP(49, FMT_S),
OPC_CMP_EQ_S = FOP(50, FMT_S),
OPC_CMP_UEQ_S = FOP(51, FMT_S),
OPC_CMP_OLT_S = FOP(52, FMT_S),
OPC_CMP_ULT_S = FOP(53, FMT_S),
OPC_CMP_OLE_S = FOP(54, FMT_S),
OPC_CMP_ULE_S = FOP(55, FMT_S),
OPC_CMP_SF_S = FOP(56, FMT_S),
OPC_CMP_NGLE_S = FOP(57, FMT_S),
OPC_CMP_SEQ_S = FOP(58, FMT_S),
OPC_CMP_NGL_S = FOP(59, FMT_S),
OPC_CMP_LT_S = FOP(60, FMT_S),
OPC_CMP_NGE_S = FOP(61, FMT_S),
OPC_CMP_LE_S = FOP(62, FMT_S),
OPC_CMP_NGT_S = FOP(63, FMT_S),
OPC_ADD_D = FOP(0, FMT_D),
OPC_SUB_D = FOP(1, FMT_D),
OPC_MUL_D = FOP(2, FMT_D),
OPC_DIV_D = FOP(3, FMT_D),
OPC_SQRT_D = FOP(4, FMT_D),
OPC_ABS_D = FOP(5, FMT_D),
OPC_MOV_D = FOP(6, FMT_D),
OPC_NEG_D = FOP(7, FMT_D),
OPC_ROUND_L_D = FOP(8, FMT_D),
OPC_TRUNC_L_D = FOP(9, FMT_D),
OPC_CEIL_L_D = FOP(10, FMT_D),
OPC_FLOOR_L_D = FOP(11, FMT_D),
OPC_ROUND_W_D = FOP(12, FMT_D),
OPC_TRUNC_W_D = FOP(13, FMT_D),
OPC_CEIL_W_D = FOP(14, FMT_D),
OPC_FLOOR_W_D = FOP(15, FMT_D),
OPC_SEL_D = FOP(16, FMT_D),
OPC_MOVCF_D = FOP(17, FMT_D),
OPC_MOVZ_D = FOP(18, FMT_D),
OPC_MOVN_D = FOP(19, FMT_D),
OPC_SELEQZ_D = FOP(20, FMT_D),
OPC_RECIP_D = FOP(21, FMT_D),
OPC_RSQRT_D = FOP(22, FMT_D),
OPC_SELNEZ_D = FOP(23, FMT_D),
OPC_MADDF_D = FOP(24, FMT_D),
OPC_MSUBF_D = FOP(25, FMT_D),
OPC_RINT_D = FOP(26, FMT_D),
OPC_CLASS_D = FOP(27, FMT_D),
OPC_MIN_D = FOP(28, FMT_D),
OPC_RECIP2_D = FOP(28, FMT_D),
OPC_MINA_D = FOP(29, FMT_D),
OPC_RECIP1_D = FOP(29, FMT_D),
OPC_MAX_D = FOP(30, FMT_D),
OPC_RSQRT1_D = FOP(30, FMT_D),
OPC_MAXA_D = FOP(31, FMT_D),
OPC_RSQRT2_D = FOP(31, FMT_D),
OPC_CVT_S_D = FOP(32, FMT_D),
OPC_CVT_W_D = FOP(36, FMT_D),
OPC_CVT_L_D = FOP(37, FMT_D),
OPC_CMP_F_D = FOP(48, FMT_D),
OPC_CMP_UN_D = FOP(49, FMT_D),
OPC_CMP_EQ_D = FOP(50, FMT_D),
OPC_CMP_UEQ_D = FOP(51, FMT_D),
OPC_CMP_OLT_D = FOP(52, FMT_D),
OPC_CMP_ULT_D = FOP(53, FMT_D),
OPC_CMP_OLE_D = FOP(54, FMT_D),
OPC_CMP_ULE_D = FOP(55, FMT_D),
OPC_CMP_SF_D = FOP(56, FMT_D),
OPC_CMP_NGLE_D = FOP(57, FMT_D),
OPC_CMP_SEQ_D = FOP(58, FMT_D),
OPC_CMP_NGL_D = FOP(59, FMT_D),
OPC_CMP_LT_D = FOP(60, FMT_D),
OPC_CMP_NGE_D = FOP(61, FMT_D),
OPC_CMP_LE_D = FOP(62, FMT_D),
OPC_CMP_NGT_D = FOP(63, FMT_D),
OPC_CVT_S_W = FOP(32, FMT_W),
OPC_CVT_D_W = FOP(33, FMT_W),
OPC_CVT_S_L = FOP(32, FMT_L),
OPC_CVT_D_L = FOP(33, FMT_L),
OPC_CVT_PS_PW = FOP(38, FMT_W),
OPC_ADD_PS = FOP(0, FMT_PS),
OPC_SUB_PS = FOP(1, FMT_PS),
OPC_MUL_PS = FOP(2, FMT_PS),
OPC_DIV_PS = FOP(3, FMT_PS),
OPC_ABS_PS = FOP(5, FMT_PS),
OPC_MOV_PS = FOP(6, FMT_PS),
OPC_NEG_PS = FOP(7, FMT_PS),
OPC_MOVCF_PS = FOP(17, FMT_PS),
OPC_MOVZ_PS = FOP(18, FMT_PS),
OPC_MOVN_PS = FOP(19, FMT_PS),
OPC_ADDR_PS = FOP(24, FMT_PS),
OPC_MULR_PS = FOP(26, FMT_PS),
OPC_RECIP2_PS = FOP(28, FMT_PS),
OPC_RECIP1_PS = FOP(29, FMT_PS),
OPC_RSQRT1_PS = FOP(30, FMT_PS),
OPC_RSQRT2_PS = FOP(31, FMT_PS),
OPC_CVT_S_PU = FOP(32, FMT_PS),
OPC_CVT_PW_PS = FOP(36, FMT_PS),
OPC_CVT_S_PL = FOP(40, FMT_PS),
OPC_PLL_PS = FOP(44, FMT_PS),
OPC_PLU_PS = FOP(45, FMT_PS),
OPC_PUL_PS = FOP(46, FMT_PS),
OPC_PUU_PS = FOP(47, FMT_PS),
OPC_CMP_F_PS = FOP(48, FMT_PS),
OPC_CMP_UN_PS = FOP(49, FMT_PS),
OPC_CMP_EQ_PS = FOP(50, FMT_PS),
OPC_CMP_UEQ_PS = FOP(51, FMT_PS),
OPC_CMP_OLT_PS = FOP(52, FMT_PS),
OPC_CMP_ULT_PS = FOP(53, FMT_PS),
OPC_CMP_OLE_PS = FOP(54, FMT_PS),
OPC_CMP_ULE_PS = FOP(55, FMT_PS),
OPC_CMP_SF_PS = FOP(56, FMT_PS),
OPC_CMP_NGLE_PS = FOP(57, FMT_PS),
OPC_CMP_SEQ_PS = FOP(58, FMT_PS),
OPC_CMP_NGL_PS = FOP(59, FMT_PS),
OPC_CMP_LT_PS = FOP(60, FMT_PS),
OPC_CMP_NGE_PS = FOP(61, FMT_PS),
OPC_CMP_LE_PS = FOP(62, FMT_PS),
OPC_CMP_NGT_PS = FOP(63, FMT_PS),
};
enum r6_f_cmp_op {
R6_OPC_CMP_AF_S = FOP(0, FMT_W),
R6_OPC_CMP_UN_S = FOP(1, FMT_W),
R6_OPC_CMP_EQ_S = FOP(2, FMT_W),
R6_OPC_CMP_UEQ_S = FOP(3, FMT_W),
R6_OPC_CMP_LT_S = FOP(4, FMT_W),
R6_OPC_CMP_ULT_S = FOP(5, FMT_W),
R6_OPC_CMP_LE_S = FOP(6, FMT_W),
R6_OPC_CMP_ULE_S = FOP(7, FMT_W),
R6_OPC_CMP_SAF_S = FOP(8, FMT_W),
R6_OPC_CMP_SUN_S = FOP(9, FMT_W),
R6_OPC_CMP_SEQ_S = FOP(10, FMT_W),
R6_OPC_CMP_SEUQ_S = FOP(11, FMT_W),
R6_OPC_CMP_SLT_S = FOP(12, FMT_W),
R6_OPC_CMP_SULT_S = FOP(13, FMT_W),
R6_OPC_CMP_SLE_S = FOP(14, FMT_W),
R6_OPC_CMP_SULE_S = FOP(15, FMT_W),
R6_OPC_CMP_OR_S = FOP(17, FMT_W),
R6_OPC_CMP_UNE_S = FOP(18, FMT_W),
R6_OPC_CMP_NE_S = FOP(19, FMT_W),
R6_OPC_CMP_SOR_S = FOP(25, FMT_W),
R6_OPC_CMP_SUNE_S = FOP(26, FMT_W),
R6_OPC_CMP_SNE_S = FOP(27, FMT_W),
R6_OPC_CMP_AF_D = FOP(0, FMT_L),
R6_OPC_CMP_UN_D = FOP(1, FMT_L),
R6_OPC_CMP_EQ_D = FOP(2, FMT_L),
R6_OPC_CMP_UEQ_D = FOP(3, FMT_L),
R6_OPC_CMP_LT_D = FOP(4, FMT_L),
R6_OPC_CMP_ULT_D = FOP(5, FMT_L),
R6_OPC_CMP_LE_D = FOP(6, FMT_L),
R6_OPC_CMP_ULE_D = FOP(7, FMT_L),
R6_OPC_CMP_SAF_D = FOP(8, FMT_L),
R6_OPC_CMP_SUN_D = FOP(9, FMT_L),
R6_OPC_CMP_SEQ_D = FOP(10, FMT_L),
R6_OPC_CMP_SEUQ_D = FOP(11, FMT_L),
R6_OPC_CMP_SLT_D = FOP(12, FMT_L),
R6_OPC_CMP_SULT_D = FOP(13, FMT_L),
R6_OPC_CMP_SLE_D = FOP(14, FMT_L),
R6_OPC_CMP_SULE_D = FOP(15, FMT_L),
R6_OPC_CMP_OR_D = FOP(17, FMT_L),
R6_OPC_CMP_UNE_D = FOP(18, FMT_L),
R6_OPC_CMP_NE_D = FOP(19, FMT_L),
R6_OPC_CMP_SOR_D = FOP(25, FMT_L),
R6_OPC_CMP_SUNE_D = FOP(26, FMT_L),
R6_OPC_CMP_SNE_D = FOP(27, FMT_L),
};
static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs)
{
TCGv t0 = tcg_temp_new();
switch (opc) {
case OPC_MFC1:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
tcg_gen_ext_i32_tl(t0, fp0);
}
gen_store_gpr(t0, rt);
break;
case OPC_MTC1:
gen_load_gpr(t0, rt);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32(ctx, fp0, fs);
}
break;
case OPC_CFC1:
gen_helper_1e0i(cfc1, t0, fs);
gen_store_gpr(t0, rt);
break;
case OPC_CTC1:
gen_load_gpr(t0, rt);
save_cpu_state(ctx, 0);
gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt);
/* Stop translation as we may have changed hflags */
ctx->base.is_jmp = DISAS_STOP;
break;
#if defined(TARGET_MIPS64)
case OPC_DMFC1:
gen_load_fpr64(ctx, t0, fs);
gen_store_gpr(t0, rt);
break;
case OPC_DMTC1:
gen_load_gpr(t0, rt);
gen_store_fpr64(ctx, t0, fs);
break;
#endif
case OPC_MFHC1:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32h(ctx, fp0, fs);
tcg_gen_ext_i32_tl(t0, fp0);
}
gen_store_gpr(t0, rt);
break;
case OPC_MTHC1:
gen_load_gpr(t0, rt);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32h(ctx, fp0, fs);
}
break;
default:
MIPS_INVAL("cp1 move");
gen_reserved_instruction(ctx);
return;
}
}
static void gen_movci(DisasContext *ctx, int rd, int rs, int cc, int tf)
{
TCGLabel *l1;
TCGCond cond;
TCGv_i32 t0;
if (rd == 0) {
/* Treat as NOP. */
return;
}
if (tf) {
cond = TCG_COND_EQ;
} else {
cond = TCG_COND_NE;
}
l1 = gen_new_label();
t0 = tcg_temp_new_i32();
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
tcg_gen_brcondi_i32(cond, t0, 0, l1);
gen_load_gpr(cpu_gpr[rd], rs);
gen_set_label(l1);
}
static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc,
int tf)
{
int cond;
TCGv_i32 t0 = tcg_temp_new_i32();
TCGLabel *l1 = gen_new_label();
if (tf) {
cond = TCG_COND_EQ;
} else {
cond = TCG_COND_NE;
}
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
tcg_gen_brcondi_i32(cond, t0, 0, l1);
gen_load_fpr32(ctx, t0, fs);
gen_store_fpr32(ctx, t0, fd);
gen_set_label(l1);
}
static inline void gen_movcf_d(DisasContext *ctx, int fs, int fd, int cc,
int tf)
{
int cond;
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i64 fp0;
TCGLabel *l1 = gen_new_label();
if (tf) {
cond = TCG_COND_EQ;
} else {
cond = TCG_COND_NE;
}
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
tcg_gen_brcondi_i32(cond, t0, 0, l1);
fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
gen_set_label(l1);
}
static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd,
int cc, int tf)
{
int cond;
TCGv_i32 t0 = tcg_temp_new_i32();
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
if (tf) {
cond = TCG_COND_EQ;
} else {
cond = TCG_COND_NE;
}
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
tcg_gen_brcondi_i32(cond, t0, 0, l1);
gen_load_fpr32(ctx, t0, fs);
gen_store_fpr32(ctx, t0, fd);
gen_set_label(l1);
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc + 1));
tcg_gen_brcondi_i32(cond, t0, 0, l2);
gen_load_fpr32h(ctx, t0, fs);
gen_store_fpr32h(ctx, t0, fd);
gen_set_label(l2);
}
static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft,
int fs)
{
TCGv_i32 t1 = tcg_constant_i32(0);
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fd);
gen_load_fpr32(ctx, fp1, ft);
gen_load_fpr32(ctx, fp2, fs);
switch (op1) {
case OPC_SEL_S:
tcg_gen_andi_i32(fp0, fp0, 1);
tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
break;
case OPC_SELEQZ_S:
tcg_gen_andi_i32(fp1, fp1, 1);
tcg_gen_movcond_i32(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
break;
case OPC_SELNEZ_S:
tcg_gen_andi_i32(fp1, fp1, 1);
tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
break;
default:
MIPS_INVAL("gen_sel_s");
gen_reserved_instruction(ctx);
break;
}
gen_store_fpr32(ctx, fp0, fd);
}
static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft,
int fs)
{
TCGv_i64 t1 = tcg_constant_i64(0);
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fd);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fs);
switch (op1) {
case OPC_SEL_D:
tcg_gen_andi_i64(fp0, fp0, 1);
tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp0, t1, fp1, fp2);
break;
case OPC_SELEQZ_D:
tcg_gen_andi_i64(fp1, fp1, 1);
tcg_gen_movcond_i64(TCG_COND_EQ, fp0, fp1, t1, fp2, t1);
break;
case OPC_SELNEZ_D:
tcg_gen_andi_i64(fp1, fp1, 1);
tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp1, t1, fp2, t1);
break;
default:
MIPS_INVAL("gen_sel_d");
gen_reserved_instruction(ctx);
break;
}
gen_store_fpr64(ctx, fp0, fd);
}
static void gen_farith(DisasContext *ctx, enum fopcode op1,
int ft, int fs, int fd, int cc)
{
uint32_t func = ctx->opcode & 0x3f;
switch (op1) {
case OPC_ADD_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_add_s(fp0, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_SUB_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_sub_s(fp0, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_MUL_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_mul_s(fp0, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_DIV_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_div_s(fp0, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_SQRT_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_sqrt_s(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_ABS_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
if (ctx->abs2008) {
tcg_gen_andi_i32(fp0, fp0, 0x7fffffffUL);
} else {
gen_helper_float_abs_s(fp0, fp0);
}
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_MOV_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_NEG_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
if (ctx->abs2008) {
tcg_gen_xori_i32(fp0, fp0, 1UL << 31);
} else {
gen_helper_float_chs_s(fp0, fp0);
}
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_ROUND_L_S:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr32(ctx, fp32, fs);
if (ctx->nan2008) {
gen_helper_float_round_2008_l_s(fp64, tcg_env, fp32);
} else {
gen_helper_float_round_l_s(fp64, tcg_env, fp32);
}
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_TRUNC_L_S:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr32(ctx, fp32, fs);
if (ctx->nan2008) {
gen_helper_float_trunc_2008_l_s(fp64, tcg_env, fp32);
} else {
gen_helper_float_trunc_l_s(fp64, tcg_env, fp32);
}
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_CEIL_L_S:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr32(ctx, fp32, fs);
if (ctx->nan2008) {
gen_helper_float_ceil_2008_l_s(fp64, tcg_env, fp32);
} else {
gen_helper_float_ceil_l_s(fp64, tcg_env, fp32);
}
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_FLOOR_L_S:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr32(ctx, fp32, fs);
if (ctx->nan2008) {
gen_helper_float_floor_2008_l_s(fp64, tcg_env, fp32);
} else {
gen_helper_float_floor_l_s(fp64, tcg_env, fp32);
}
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_ROUND_W_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_round_2008_w_s(fp0, tcg_env, fp0);
} else {
gen_helper_float_round_w_s(fp0, tcg_env, fp0);
}
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_TRUNC_W_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_trunc_2008_w_s(fp0, tcg_env, fp0);
} else {
gen_helper_float_trunc_w_s(fp0, tcg_env, fp0);
}
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_CEIL_W_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_ceil_2008_w_s(fp0, tcg_env, fp0);
} else {
gen_helper_float_ceil_w_s(fp0, tcg_env, fp0);
}
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_FLOOR_W_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_floor_2008_w_s(fp0, tcg_env, fp0);
} else {
gen_helper_float_floor_w_s(fp0, tcg_env, fp0);
}
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_SEL_S:
check_insn(ctx, ISA_MIPS_R6);
gen_sel_s(ctx, op1, fd, ft, fs);
break;
case OPC_SELEQZ_S:
check_insn(ctx, ISA_MIPS_R6);
gen_sel_s(ctx, op1, fd, ft, fs);
break;
case OPC_SELNEZ_S:
check_insn(ctx, ISA_MIPS_R6);
gen_sel_s(ctx, op1, fd, ft, fs);
break;
case OPC_MOVCF_S:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
gen_movcf_s(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
break;
case OPC_MOVZ_S:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
{
TCGLabel *l1 = gen_new_label();
TCGv_i32 fp0;
if (ft != 0) {
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
}
fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_store_fpr32(ctx, fp0, fd);
gen_set_label(l1);
}
break;
case OPC_MOVN_S:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
{
TCGLabel *l1 = gen_new_label();
TCGv_i32 fp0;
if (ft != 0) {
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_store_fpr32(ctx, fp0, fd);
gen_set_label(l1);
}
}
break;
case OPC_RECIP_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_recip_s(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_RSQRT_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_rsqrt_s(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_MADDF_S:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_load_fpr32(ctx, fp2, fd);
gen_helper_float_maddf_s(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr32(ctx, fp2, fd);
}
break;
case OPC_MSUBF_S:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_load_fpr32(ctx, fp2, fd);
gen_helper_float_msubf_s(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr32(ctx, fp2, fd);
}
break;
case OPC_RINT_S:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_rint_s(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_CLASS_S:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_class_s(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_MIN_S: /* OPC_RECIP2_S */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MIN_S */
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_min_s(fp2, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp2, fd);
} else {
/* OPC_RECIP2_S */
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_recip2_s(fp0, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp0, fd);
}
}
break;
case OPC_MINA_S: /* OPC_RECIP1_S */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MINA_S */
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_mina_s(fp2, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp2, fd);
} else {
/* OPC_RECIP1_S */
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_recip1_s(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
}
break;
case OPC_MAX_S: /* OPC_RSQRT1_S */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MAX_S */
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_max_s(fp1, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp1, fd);
} else {
/* OPC_RSQRT1_S */
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_rsqrt1_s(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
}
break;
case OPC_MAXA_S: /* OPC_RSQRT2_S */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MAXA_S */
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_maxa_s(fp1, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp1, fd);
} else {
/* OPC_RSQRT2_S */
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_helper_float_rsqrt2_s(fp0, tcg_env, fp0, fp1);
gen_store_fpr32(ctx, fp0, fd);
}
}
break;
case OPC_CVT_D_S:
check_cp1_registers(ctx, fd);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr32(ctx, fp32, fs);
gen_helper_float_cvtd_s(fp64, tcg_env, fp32);
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_CVT_W_S:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_cvt_2008_w_s(fp0, tcg_env, fp0);
} else {
gen_helper_float_cvt_w_s(fp0, tcg_env, fp0);
}
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_CVT_L_S:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr32(ctx, fp32, fs);
if (ctx->nan2008) {
gen_helper_float_cvt_2008_l_s(fp64, tcg_env, fp32);
} else {
gen_helper_float_cvt_l_s(fp64, tcg_env, fp32);
}
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_CVT_PS_S:
check_ps(ctx);
{
TCGv_i64 fp64 = tcg_temp_new_i64();
TCGv_i32 fp32_0 = tcg_temp_new_i32();
TCGv_i32 fp32_1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp32_0, fs);
gen_load_fpr32(ctx, fp32_1, ft);
tcg_gen_concat_i32_i64(fp64, fp32_1, fp32_0);
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_CMP_F_S:
case OPC_CMP_UN_S:
case OPC_CMP_EQ_S:
case OPC_CMP_UEQ_S:
case OPC_CMP_OLT_S:
case OPC_CMP_ULT_S:
case OPC_CMP_OLE_S:
case OPC_CMP_ULE_S:
case OPC_CMP_SF_S:
case OPC_CMP_NGLE_S:
case OPC_CMP_SEQ_S:
case OPC_CMP_NGL_S:
case OPC_CMP_LT_S:
case OPC_CMP_NGE_S:
case OPC_CMP_LE_S:
case OPC_CMP_NGT_S:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
if (ctx->opcode & (1 << 6)) {
gen_cmpabs_s(ctx, func - 48, ft, fs, cc);
} else {
gen_cmp_s(ctx, func - 48, ft, fs, cc);
}
break;
case OPC_ADD_D:
check_cp1_registers(ctx, fs | ft | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_add_d(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_SUB_D:
check_cp1_registers(ctx, fs | ft | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_sub_d(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MUL_D:
check_cp1_registers(ctx, fs | ft | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_mul_d(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_DIV_D:
check_cp1_registers(ctx, fs | ft | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_div_d(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_SQRT_D:
check_cp1_registers(ctx, fs | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_sqrt_d(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_ABS_D:
check_cp1_registers(ctx, fs | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
if (ctx->abs2008) {
tcg_gen_andi_i64(fp0, fp0, 0x7fffffffffffffffULL);
} else {
gen_helper_float_abs_d(fp0, fp0);
}
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MOV_D:
check_cp1_registers(ctx, fs | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_NEG_D:
check_cp1_registers(ctx, fs | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
if (ctx->abs2008) {
tcg_gen_xori_i64(fp0, fp0, 1ULL << 63);
} else {
gen_helper_float_chs_d(fp0, fp0);
}
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_ROUND_L_D:
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_round_2008_l_d(fp0, tcg_env, fp0);
} else {
gen_helper_float_round_l_d(fp0, tcg_env, fp0);
}
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_TRUNC_L_D:
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_trunc_2008_l_d(fp0, tcg_env, fp0);
} else {
gen_helper_float_trunc_l_d(fp0, tcg_env, fp0);
}
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_CEIL_L_D:
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_ceil_2008_l_d(fp0, tcg_env, fp0);
} else {
gen_helper_float_ceil_l_d(fp0, tcg_env, fp0);
}
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_FLOOR_L_D:
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_floor_2008_l_d(fp0, tcg_env, fp0);
} else {
gen_helper_float_floor_l_d(fp0, tcg_env, fp0);
}
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_ROUND_W_D:
check_cp1_registers(ctx, fs);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp64, fs);
if (ctx->nan2008) {
gen_helper_float_round_2008_w_d(fp32, tcg_env, fp64);
} else {
gen_helper_float_round_w_d(fp32, tcg_env, fp64);
}
gen_store_fpr32(ctx, fp32, fd);
}
break;
case OPC_TRUNC_W_D:
check_cp1_registers(ctx, fs);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp64, fs);
if (ctx->nan2008) {
gen_helper_float_trunc_2008_w_d(fp32, tcg_env, fp64);
} else {
gen_helper_float_trunc_w_d(fp32, tcg_env, fp64);
}
gen_store_fpr32(ctx, fp32, fd);
}
break;
case OPC_CEIL_W_D:
check_cp1_registers(ctx, fs);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp64, fs);
if (ctx->nan2008) {
gen_helper_float_ceil_2008_w_d(fp32, tcg_env, fp64);
} else {
gen_helper_float_ceil_w_d(fp32, tcg_env, fp64);
}
gen_store_fpr32(ctx, fp32, fd);
}
break;
case OPC_FLOOR_W_D:
check_cp1_registers(ctx, fs);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp64, fs);
if (ctx->nan2008) {
gen_helper_float_floor_2008_w_d(fp32, tcg_env, fp64);
} else {
gen_helper_float_floor_w_d(fp32, tcg_env, fp64);
}
gen_store_fpr32(ctx, fp32, fd);
}
break;
case OPC_SEL_D:
check_insn(ctx, ISA_MIPS_R6);
gen_sel_d(ctx, op1, fd, ft, fs);
break;
case OPC_SELEQZ_D:
check_insn(ctx, ISA_MIPS_R6);
gen_sel_d(ctx, op1, fd, ft, fs);
break;
case OPC_SELNEZ_D:
check_insn(ctx, ISA_MIPS_R6);
gen_sel_d(ctx, op1, fd, ft, fs);
break;
case OPC_MOVCF_D:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
break;
case OPC_MOVZ_D:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
{
TCGLabel *l1 = gen_new_label();
TCGv_i64 fp0;
if (ft != 0) {
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
}
fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
gen_set_label(l1);
}
break;
case OPC_MOVN_D:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
{
TCGLabel *l1 = gen_new_label();
TCGv_i64 fp0;
if (ft != 0) {
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
gen_set_label(l1);
}
}
break;
case OPC_RECIP_D:
check_cp1_registers(ctx, fs | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_recip_d(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_RSQRT_D:
check_cp1_registers(ctx, fs | fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_rsqrt_d(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MADDF_D:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fd);
gen_helper_float_maddf_d(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_MSUBF_D:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fd);
gen_helper_float_msubf_d(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_RINT_D:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_rint_d(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_CLASS_D:
check_insn(ctx, ISA_MIPS_R6);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_class_d(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MIN_D: /* OPC_RECIP2_D */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MIN_D */
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_min_d(fp1, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp1, fd);
} else {
/* OPC_RECIP2_D */
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_recip2_d(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
}
break;
case OPC_MINA_D: /* OPC_RECIP1_D */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MINA_D */
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_mina_d(fp1, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp1, fd);
} else {
/* OPC_RECIP1_D */
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_recip1_d(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
}
break;
case OPC_MAX_D: /* OPC_RSQRT1_D */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MAX_D */
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_max_d(fp1, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp1, fd);
} else {
/* OPC_RSQRT1_D */
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_rsqrt1_d(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
}
break;
case OPC_MAXA_D: /* OPC_RSQRT2_D */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_MAXA_D */
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_maxa_d(fp1, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp1, fd);
} else {
/* OPC_RSQRT2_D */
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_rsqrt2_d(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
}
break;
case OPC_CMP_F_D:
case OPC_CMP_UN_D:
case OPC_CMP_EQ_D:
case OPC_CMP_UEQ_D:
case OPC_CMP_OLT_D:
case OPC_CMP_ULT_D:
case OPC_CMP_OLE_D:
case OPC_CMP_ULE_D:
case OPC_CMP_SF_D:
case OPC_CMP_NGLE_D:
case OPC_CMP_SEQ_D:
case OPC_CMP_NGL_D:
case OPC_CMP_LT_D:
case OPC_CMP_NGE_D:
case OPC_CMP_LE_D:
case OPC_CMP_NGT_D:
check_insn_opc_removed(ctx, ISA_MIPS_R6);
if (ctx->opcode & (1 << 6)) {
gen_cmpabs_d(ctx, func - 48, ft, fs, cc);
} else {
gen_cmp_d(ctx, func - 48, ft, fs, cc);
}
break;
case OPC_CVT_S_D:
check_cp1_registers(ctx, fs);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp64, fs);
gen_helper_float_cvts_d(fp32, tcg_env, fp64);
gen_store_fpr32(ctx, fp32, fd);
}
break;
case OPC_CVT_W_D:
check_cp1_registers(ctx, fs);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp64, fs);
if (ctx->nan2008) {
gen_helper_float_cvt_2008_w_d(fp32, tcg_env, fp64);
} else {
gen_helper_float_cvt_w_d(fp32, tcg_env, fp64);
}
gen_store_fpr32(ctx, fp32, fd);
}
break;
case OPC_CVT_L_D:
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
if (ctx->nan2008) {
gen_helper_float_cvt_2008_l_d(fp0, tcg_env, fp0);
} else {
gen_helper_float_cvt_l_d(fp0, tcg_env, fp0);
}
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_CVT_S_W:
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_cvts_w(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_CVT_D_W:
check_cp1_registers(ctx, fd);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr32(ctx, fp32, fs);
gen_helper_float_cvtd_w(fp64, tcg_env, fp32);
gen_store_fpr64(ctx, fp64, fd);
}
break;
case OPC_CVT_S_L:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp32 = tcg_temp_new_i32();
TCGv_i64 fp64 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp64, fs);
gen_helper_float_cvts_l(fp32, tcg_env, fp64);
gen_store_fpr32(ctx, fp32, fd);
}
break;
case OPC_CVT_D_L:
check_cp1_64bitmode(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_cvtd_l(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_CVT_PS_PW:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_cvtps_pw(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_ADD_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_add_ps(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_SUB_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_sub_ps(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MUL_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_mul_ps(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_ABS_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_abs_ps(fp0, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MOV_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_NEG_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_chs_ps(fp0, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MOVCF_PS:
check_ps(ctx);
gen_movcf_ps(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
break;
case OPC_MOVZ_PS:
check_ps(ctx);
{
TCGLabel *l1 = gen_new_label();
TCGv_i64 fp0;
if (ft != 0) {
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
}
fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
gen_set_label(l1);
}
break;
case OPC_MOVN_PS:
check_ps(ctx);
{
TCGLabel *l1 = gen_new_label();
TCGv_i64 fp0;
if (ft != 0) {
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_store_fpr64(ctx, fp0, fd);
gen_set_label(l1);
}
}
break;
case OPC_ADDR_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, ft);
gen_load_fpr64(ctx, fp1, fs);
gen_helper_float_addr_ps(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_MULR_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, ft);
gen_load_fpr64(ctx, fp1, fs);
gen_helper_float_mulr_ps(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_RECIP2_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_recip2_ps(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_RECIP1_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_recip1_ps(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_RSQRT1_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_rsqrt1_ps(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_RSQRT2_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_helper_float_rsqrt2_ps(fp0, tcg_env, fp0, fp1);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_CVT_S_PU:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32h(ctx, fp0, fs);
gen_helper_float_cvts_pu(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_CVT_PW_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_helper_float_cvtpw_ps(fp0, tcg_env, fp0);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_CVT_S_PL:
check_cp1_64bitmode(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_helper_float_cvts_pl(fp0, tcg_env, fp0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_PLL_PS:
check_ps(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_store_fpr32h(ctx, fp0, fd);
gen_store_fpr32(ctx, fp1, fd);
}
break;
case OPC_PLU_PS:
check_ps(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32h(ctx, fp1, ft);
gen_store_fpr32(ctx, fp1, fd);
gen_store_fpr32h(ctx, fp0, fd);
}
break;
case OPC_PUL_PS:
check_ps(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32h(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_store_fpr32(ctx, fp1, fd);
gen_store_fpr32h(ctx, fp0, fd);
}
break;
case OPC_PUU_PS:
check_ps(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
gen_load_fpr32h(ctx, fp0, fs);
gen_load_fpr32h(ctx, fp1, ft);
gen_store_fpr32(ctx, fp1, fd);
gen_store_fpr32h(ctx, fp0, fd);
}
break;
case OPC_CMP_F_PS:
case OPC_CMP_UN_PS:
case OPC_CMP_EQ_PS:
case OPC_CMP_UEQ_PS:
case OPC_CMP_OLT_PS:
case OPC_CMP_ULT_PS:
case OPC_CMP_OLE_PS:
case OPC_CMP_ULE_PS:
case OPC_CMP_SF_PS:
case OPC_CMP_NGLE_PS:
case OPC_CMP_SEQ_PS:
case OPC_CMP_NGL_PS:
case OPC_CMP_LT_PS:
case OPC_CMP_NGE_PS:
case OPC_CMP_LE_PS:
case OPC_CMP_NGT_PS:
if (ctx->opcode & (1 << 6)) {
gen_cmpabs_ps(ctx, func - 48, ft, fs, cc);
} else {
gen_cmp_ps(ctx, func - 48, ft, fs, cc);
}
break;
default:
MIPS_INVAL("farith");
gen_reserved_instruction(ctx);
return;
}
}
/* Coprocessor 3 (FPU) */
static void gen_flt3_ldst(DisasContext *ctx, uint32_t opc,
int fd, int fs, int base, int index)
{
TCGv t0 = tcg_temp_new();
if (base == 0) {
gen_load_gpr(t0, index);
} else if (index == 0) {
gen_load_gpr(t0, base);
} else {
gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]);
}
/*
* Don't do NOP if destination is zero: we must perform the actual
* memory access.
*/
switch (opc) {
case OPC_LWXC1:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
tcg_gen_trunc_tl_i32(fp0, t0);
gen_store_fpr32(ctx, fp0, fd);
}
break;
case OPC_LDXC1:
check_cop1x(ctx);
check_cp1_registers(ctx, fd);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_LUXC1:
check_cp1_64bitmode(ctx);
tcg_gen_andi_tl(t0, t0, ~0x7);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
gen_store_fpr64(ctx, fp0, fd);
}
break;
case OPC_SWXC1:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL);
}
break;
case OPC_SDXC1:
check_cop1x(ctx);
check_cp1_registers(ctx, fs);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
}
break;
case OPC_SUXC1:
check_cp1_64bitmode(ctx);
tcg_gen_andi_tl(t0, t0, ~0x7);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ);
}
break;
}
}
static void gen_flt3_arith(DisasContext *ctx, uint32_t opc,
int fd, int fr, int fs, int ft)
{
switch (opc) {
case OPC_ALNV_PS:
check_ps(ctx);
{
TCGv t0 = tcg_temp_new();
TCGv_i32 fp = tcg_temp_new_i32();
TCGv_i32 fph = tcg_temp_new_i32();
TCGLabel *l1 = gen_new_label();
TCGLabel *l2 = gen_new_label();
gen_load_gpr(t0, fr);
tcg_gen_andi_tl(t0, t0, 0x7);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
gen_load_fpr32(ctx, fp, fs);
gen_load_fpr32h(ctx, fph, fs);
gen_store_fpr32(ctx, fp, fd);
gen_store_fpr32h(ctx, fph, fd);
tcg_gen_br(l2);
gen_set_label(l1);
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
if (cpu_is_bigendian(ctx)) {
gen_load_fpr32(ctx, fp, fs);
gen_load_fpr32h(ctx, fph, ft);
gen_store_fpr32h(ctx, fp, fd);
gen_store_fpr32(ctx, fph, fd);
} else {
gen_load_fpr32h(ctx, fph, fs);
gen_load_fpr32(ctx, fp, ft);
gen_store_fpr32(ctx, fph, fd);
gen_store_fpr32h(ctx, fp, fd);
}
gen_set_label(l2);
}
break;
case OPC_MADD_S:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_load_fpr32(ctx, fp2, fr);
gen_helper_float_madd_s(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr32(ctx, fp2, fd);
}
break;
case OPC_MADD_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_madd_d(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_MADD_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_madd_ps(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_MSUB_S:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_load_fpr32(ctx, fp2, fr);
gen_helper_float_msub_s(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr32(ctx, fp2, fd);
}
break;
case OPC_MSUB_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_msub_d(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_MSUB_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_msub_ps(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_NMADD_S:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_load_fpr32(ctx, fp2, fr);
gen_helper_float_nmadd_s(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr32(ctx, fp2, fd);
}
break;
case OPC_NMADD_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_nmadd_d(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_NMADD_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_nmadd_ps(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_NMSUB_S:
check_cop1x(ctx);
{
TCGv_i32 fp0 = tcg_temp_new_i32();
TCGv_i32 fp1 = tcg_temp_new_i32();
TCGv_i32 fp2 = tcg_temp_new_i32();
gen_load_fpr32(ctx, fp0, fs);
gen_load_fpr32(ctx, fp1, ft);
gen_load_fpr32(ctx, fp2, fr);
gen_helper_float_nmsub_s(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr32(ctx, fp2, fd);
}
break;
case OPC_NMSUB_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_nmsub_d(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
case OPC_NMSUB_PS:
check_ps(ctx);
{
TCGv_i64 fp0 = tcg_temp_new_i64();
TCGv_i64 fp1 = tcg_temp_new_i64();
TCGv_i64 fp2 = tcg_temp_new_i64();
gen_load_fpr64(ctx, fp0, fs);
gen_load_fpr64(ctx, fp1, ft);
gen_load_fpr64(ctx, fp2, fr);
gen_helper_float_nmsub_ps(fp2, tcg_env, fp0, fp1, fp2);
gen_store_fpr64(ctx, fp2, fd);
}
break;
default:
MIPS_INVAL("flt3_arith");
gen_reserved_instruction(ctx);
return;
}
}
void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel)
{
TCGv t0;
#if !defined(CONFIG_USER_ONLY)
/*
* The Linux kernel will emulate rdhwr if it's not supported natively.
* Therefore only check the ISA in system mode.
*/
check_insn(ctx, ISA_MIPS_R2);
#endif
t0 = tcg_temp_new();
switch (rd) {
case 0:
gen_helper_rdhwr_cpunum(t0, tcg_env);
gen_store_gpr(t0, rt);
break;
case 1:
gen_helper_rdhwr_synci_step(t0, tcg_env);
gen_store_gpr(t0, rt);
break;
case 2:
translator_io_start(&ctx->base);
gen_helper_rdhwr_cc(t0, tcg_env);
gen_store_gpr(t0, rt);
/*
* Break the TB to be able to take timer interrupts immediately
* after reading count. DISAS_STOP isn't sufficient, we need to ensure
* we break completely out of translated code.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
break;
case 3:
gen_helper_rdhwr_ccres(t0, tcg_env);
gen_store_gpr(t0, rt);
break;
case 4:
check_insn(ctx, ISA_MIPS_R6);
if (sel != 0) {
/*
* Performance counter registers are not implemented other than
* control register 0.
*/
generate_exception(ctx, EXCP_RI);
}
gen_helper_rdhwr_performance(t0, tcg_env);
gen_store_gpr(t0, rt);
break;
case 5:
check_insn(ctx, ISA_MIPS_R6);
gen_helper_rdhwr_xnp(t0, tcg_env);
gen_store_gpr(t0, rt);
break;
case 29:
#if defined(CONFIG_USER_ONLY)
tcg_gen_ld_tl(t0, tcg_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
gen_store_gpr(t0, rt);
break;
#else
if ((ctx->hflags & MIPS_HFLAG_CP0) ||
(ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) {
tcg_gen_ld_tl(t0, tcg_env,
offsetof(CPUMIPSState, active_tc.CP0_UserLocal));
gen_store_gpr(t0, rt);
} else {
gen_reserved_instruction(ctx);
}
break;
#endif
default: /* Invalid */
MIPS_INVAL("rdhwr");
gen_reserved_instruction(ctx);
break;
}
}
static inline void clear_branch_hflags(DisasContext *ctx)
{
ctx->hflags &= ~MIPS_HFLAG_BMASK;
if (ctx->base.is_jmp == DISAS_NEXT) {
save_cpu_state(ctx, 0);
} else {
/*
* It is not safe to save ctx->hflags as hflags may be changed
* in execution time by the instruction in delay / forbidden slot.
*/
tcg_gen_andi_i32(hflags, hflags, ~MIPS_HFLAG_BMASK);
}
}
static void gen_branch(DisasContext *ctx, int insn_bytes)
{
if (ctx->hflags & MIPS_HFLAG_BMASK) {
int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
/* Branches completion */
clear_branch_hflags(ctx);
ctx->base.is_jmp = DISAS_NORETURN;
switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
case MIPS_HFLAG_FBNSLOT:
gen_goto_tb(ctx, 0, ctx->base.pc_next + insn_bytes);
break;
case MIPS_HFLAG_B:
/* unconditional branch */
if (proc_hflags & MIPS_HFLAG_BX) {
tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16);
}
gen_goto_tb(ctx, 0, ctx->btarget);
break;
case MIPS_HFLAG_BL:
/* blikely taken case */
gen_goto_tb(ctx, 0, ctx->btarget);
break;
case MIPS_HFLAG_BC:
/* Conditional branch */
{
TCGLabel *l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
gen_goto_tb(ctx, 1, ctx->base.pc_next + insn_bytes);
gen_set_label(l1);
gen_goto_tb(ctx, 0, ctx->btarget);
}
break;
case MIPS_HFLAG_BR:
/* unconditional branch to register */
if (ctx->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) {
TCGv t0 = tcg_temp_new();
TCGv_i32 t1 = tcg_temp_new_i32();
tcg_gen_andi_tl(t0, btarget, 0x1);
tcg_gen_trunc_tl_i32(t1, t0);
tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16);
tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT);
tcg_gen_or_i32(hflags, hflags, t1);
tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
} else {
tcg_gen_mov_tl(cpu_PC, btarget);
}
tcg_gen_lookup_and_goto_ptr();
break;
default:
LOG_DISAS("unknown branch 0x%x\n", proc_hflags);
gen_reserved_instruction(ctx);
}
}
}
/* Compact Branches */
static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc,
int rs, int rt, int32_t offset)
{
int bcond_compute = 0;
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0;
if (ctx->hflags & MIPS_HFLAG_BMASK) {
#ifdef MIPS_DEBUG_DISAS
LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016"
VADDR_PRIx "\n", ctx->base.pc_next);
#endif
gen_reserved_instruction(ctx);
return;
}
/* Load needed operands and calculate btarget */
switch (opc) {
/* compact branch */
case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
bcond_compute = 1;
ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
if (rs <= rt && rs == 0) {
/* OPC_BEQZALC, OPC_BNEZALC */
tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
}
break;
case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
bcond_compute = 1;
ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
break;
case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
if (rs == 0 || rs == rt) {
/* OPC_BLEZALC, OPC_BGEZALC */
/* OPC_BGTZALC, OPC_BLTZALC */
tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
}
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
bcond_compute = 1;
ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
break;
case OPC_BC:
case OPC_BALC:
ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
break;
case OPC_BEQZC:
case OPC_BNEZC:
if (rs != 0) {
/* OPC_BEQZC, OPC_BNEZC */
gen_load_gpr(t0, rs);
bcond_compute = 1;
ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset);
} else {
/* OPC_JIC, OPC_JIALC */
TCGv tbase = tcg_temp_new();
TCGv toffset = tcg_constant_tl(offset);
gen_load_gpr(tbase, rt);
gen_op_addr_add(ctx, btarget, tbase, toffset);
}
break;
default:
MIPS_INVAL("Compact branch/jump");
gen_reserved_instruction(ctx);
return;
}
if (bcond_compute == 0) {
/* Unconditional compact branch */
switch (opc) {
case OPC_JIALC:
tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
/* Fallthrough */
case OPC_JIC:
ctx->hflags |= MIPS_HFLAG_BR;
break;
case OPC_BALC:
tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit);
/* Fallthrough */
case OPC_BC:
ctx->hflags |= MIPS_HFLAG_B;
break;
default:
MIPS_INVAL("Compact branch/jump");
gen_reserved_instruction(ctx);
return;
}
/* Generating branch here as compact branches don't have delay slot */
gen_branch(ctx, 4);
} else {
/* Conditional compact branch */
TCGLabel *fs = gen_new_label();
save_cpu_state(ctx, 0);
switch (opc) {
case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */
if (rs == 0 && rt != 0) {
/* OPC_BLEZALC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
} else if (rs != 0 && rt != 0 && rs == rt) {
/* OPC_BGEZALC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
} else {
/* OPC_BGEUC */
tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GEU), t0, t1, fs);
}
break;
case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */
if (rs == 0 && rt != 0) {
/* OPC_BGTZALC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
} else if (rs != 0 && rt != 0 && rs == rt) {
/* OPC_BLTZALC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
} else {
/* OPC_BLTUC */
tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LTU), t0, t1, fs);
}
break;
case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */
if (rs == 0 && rt != 0) {
/* OPC_BLEZC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs);
} else if (rs != 0 && rt != 0 && rs == rt) {
/* OPC_BGEZC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs);
} else {
/* OPC_BGEC */
tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GE), t0, t1, fs);
}
break;
case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */
if (rs == 0 && rt != 0) {
/* OPC_BGTZC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs);
} else if (rs != 0 && rt != 0 && rs == rt) {
/* OPC_BLTZC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs);
} else {
/* OPC_BLTC */
tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LT), t0, t1, fs);
}
break;
case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */
case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
if (rs >= rt) {
/* OPC_BOVC, OPC_BNVC */
TCGv t2 = tcg_temp_new();
TCGv t3 = tcg_temp_new();
TCGv t4 = tcg_temp_new();
TCGv input_overflow = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_load_gpr(t1, rt);
tcg_gen_ext32s_tl(t2, t0);
tcg_gen_setcond_tl(TCG_COND_NE, input_overflow, t2, t0);
tcg_gen_ext32s_tl(t3, t1);
tcg_gen_setcond_tl(TCG_COND_NE, t4, t3, t1);
tcg_gen_or_tl(input_overflow, input_overflow, t4);
tcg_gen_add_tl(t4, t2, t3);
tcg_gen_ext32s_tl(t4, t4);
tcg_gen_xor_tl(t2, t2, t3);
tcg_gen_xor_tl(t3, t4, t3);
tcg_gen_andc_tl(t2, t3, t2);
tcg_gen_setcondi_tl(TCG_COND_LT, t4, t2, 0);
tcg_gen_or_tl(t4, t4, input_overflow);
if (opc == OPC_BOVC) {
/* OPC_BOVC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t4, 0, fs);
} else {
/* OPC_BNVC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t4, 0, fs);
}
} else if (rs < rt && rs == 0) {
/* OPC_BEQZALC, OPC_BNEZALC */
if (opc == OPC_BEQZALC) {
/* OPC_BEQZALC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t1, 0, fs);
} else {
/* OPC_BNEZALC */
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t1, 0, fs);
}
} else {
/* OPC_BEQC, OPC_BNEC */
if (opc == OPC_BEQC) {
/* OPC_BEQC */
tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_EQ), t0, t1, fs);
} else {
/* OPC_BNEC */
tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_NE), t0, t1, fs);
}
}
break;
case OPC_BEQZC:
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t0, 0, fs);
break;
case OPC_BNEZC:
tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t0, 0, fs);
break;
default:
MIPS_INVAL("Compact conditional branch/jump");
gen_reserved_instruction(ctx);
return;
}
/* Generating branch here as compact branches don't have delay slot */
gen_goto_tb(ctx, 1, ctx->btarget);
gen_set_label(fs);
ctx->hflags |= MIPS_HFLAG_FBNSLOT;
}
}
void gen_addiupc(DisasContext *ctx, int rx, int imm,
int is_64_bit, int extended)
{
TCGv t0;
if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
gen_reserved_instruction(ctx);
return;
}
t0 = tcg_temp_new();
tcg_gen_movi_tl(t0, pc_relative_pc(ctx));
tcg_gen_addi_tl(cpu_gpr[rx], t0, imm);
if (!is_64_bit) {
tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
}
}
static void gen_cache_operation(DisasContext *ctx, uint32_t op, int base,
int16_t offset)
{
TCGv_i32 t0 = tcg_constant_i32(op);
TCGv t1 = tcg_temp_new();
gen_base_offset_addr(ctx, t1, base, offset);
gen_helper_cache(tcg_env, t1, t0);
}
static inline bool is_uhi(DisasContext *ctx, int sdbbp_code)
{
#ifdef CONFIG_USER_ONLY
return false;
#else
bool is_user = (ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM;
return semihosting_enabled(is_user) && sdbbp_code == 1;
#endif
}
void gen_ldxs(DisasContext *ctx, int base, int index, int rd)
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
gen_load_gpr(t0, base);
if (index != 0) {
gen_load_gpr(t1, index);
tcg_gen_shli_tl(t1, t1, 2);
gen_op_addr_add(ctx, t0, t1, t0);
}
tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL);
gen_store_gpr(t1, rd);
}
static void gen_sync(int stype)
{
TCGBar tcg_mo = TCG_BAR_SC;
switch (stype) {
case 0x4: /* SYNC_WMB */
tcg_mo |= TCG_MO_ST_ST;
break;
case 0x10: /* SYNC_MB */
tcg_mo |= TCG_MO_ALL;
break;
case 0x11: /* SYNC_ACQUIRE */
tcg_mo |= TCG_MO_LD_LD | TCG_MO_LD_ST;
break;
case 0x12: /* SYNC_RELEASE */
tcg_mo |= TCG_MO_ST_ST | TCG_MO_LD_ST;
break;
case 0x13: /* SYNC_RMB */
tcg_mo |= TCG_MO_LD_LD;
break;
default:
tcg_mo |= TCG_MO_ALL;
break;
}
tcg_gen_mb(tcg_mo);
}
/* ISA extensions (ASEs) */
/* MIPS16 extension to MIPS32 */
#include "mips16e_translate.c.inc"
/* microMIPS extension to MIPS32/MIPS64 */
/*
* Values for microMIPS fmt field. Variable-width, depending on which
* formats the instruction supports.
*/
enum {
FMT_SD_S = 0,
FMT_SD_D = 1,
FMT_SDPS_S = 0,
FMT_SDPS_D = 1,
FMT_SDPS_PS = 2,
FMT_SWL_S = 0,
FMT_SWL_W = 1,
FMT_SWL_L = 2,
FMT_DWL_D = 0,
FMT_DWL_W = 1,
FMT_DWL_L = 2
};
#include "micromips_translate.c.inc"
#include "nanomips_translate.c.inc"
/* MIPSDSP functions. */
/* Indexed load is not for DSP only */
static void gen_mips_lx(DisasContext *ctx, uint32_t opc,
int rd, int base, int offset)
{
TCGv t0;
if (!(ctx->insn_flags & INSN_OCTEON)) {
check_dsp(ctx);
}
t0 = tcg_temp_new();
if (base == 0) {
gen_load_gpr(t0, offset);
} else if (offset == 0) {
gen_load_gpr(t0, base);
} else {
gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]);
}
switch (opc) {
case OPC_LBUX:
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB);
gen_store_gpr(t0, rd);
break;
case OPC_LHX:
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW);
gen_store_gpr(t0, rd);
break;
case OPC_LWX:
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL);
gen_store_gpr(t0, rd);
break;
#if defined(TARGET_MIPS64)
case OPC_LDX:
tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ);
gen_store_gpr(t0, rd);
break;
#endif
}
}
static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2,
int ret, int v1, int v2)
{
TCGv v1_t;
TCGv v2_t;
if (ret == 0) {
/* Treat as NOP. */
return;
}
v1_t = tcg_temp_new();
v2_t = tcg_temp_new();
gen_load_gpr(v1_t, v1);
gen_load_gpr(v2_t, v2);
switch (op1) {
/* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */
case OPC_MULT_G_2E:
check_dsp_r2(ctx);
switch (op2) {
case OPC_ADDUH_QB:
gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_ADDUH_R_QB:
gen_helper_adduh_r_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_ADDQH_PH:
gen_helper_addqh_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_ADDQH_R_PH:
gen_helper_addqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_ADDQH_W:
gen_helper_addqh_w(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_ADDQH_R_W:
gen_helper_addqh_r_w(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SUBUH_QB:
gen_helper_subuh_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SUBUH_R_QB:
gen_helper_subuh_r_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SUBQH_PH:
gen_helper_subqh_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SUBQH_R_PH:
gen_helper_subqh_r_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SUBQH_W:
gen_helper_subqh_w(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SUBQH_R_W:
gen_helper_subqh_r_w(cpu_gpr[ret], v1_t, v2_t);
break;
}
break;
case OPC_ABSQ_S_PH_DSP:
switch (op2) {
case OPC_ABSQ_S_QB:
check_dsp_r2(ctx);
gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, tcg_env);
break;
case OPC_ABSQ_S_PH:
check_dsp(ctx);
gen_helper_absq_s_ph(cpu_gpr[ret], v2_t, tcg_env);
break;
case OPC_ABSQ_S_W:
check_dsp(ctx);
gen_helper_absq_s_w(cpu_gpr[ret], v2_t, tcg_env);
break;
case OPC_PRECEQ_W_PHL:
check_dsp(ctx);
tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFF0000);
tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
break;
case OPC_PRECEQ_W_PHR:
check_dsp(ctx);
tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0x0000FFFF);
tcg_gen_shli_tl(cpu_gpr[ret], cpu_gpr[ret], 16);
tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
break;
case OPC_PRECEQU_PH_QBL:
check_dsp(ctx);
gen_helper_precequ_ph_qbl(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQU_PH_QBR:
check_dsp(ctx);
gen_helper_precequ_ph_qbr(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQU_PH_QBLA:
check_dsp(ctx);
gen_helper_precequ_ph_qbla(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQU_PH_QBRA:
check_dsp(ctx);
gen_helper_precequ_ph_qbra(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_PH_QBL:
check_dsp(ctx);
gen_helper_preceu_ph_qbl(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_PH_QBR:
check_dsp(ctx);
gen_helper_preceu_ph_qbr(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_PH_QBLA:
check_dsp(ctx);
gen_helper_preceu_ph_qbla(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_PH_QBRA:
check_dsp(ctx);
gen_helper_preceu_ph_qbra(cpu_gpr[ret], v2_t);
break;
}
break;
case OPC_ADDU_QB_DSP:
switch (op2) {
case OPC_ADDQ_PH:
check_dsp(ctx);
gen_helper_addq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDQ_S_PH:
check_dsp(ctx);
gen_helper_addq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDQ_S_W:
check_dsp(ctx);
gen_helper_addq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_QB:
check_dsp(ctx);
gen_helper_addu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_S_QB:
check_dsp(ctx);
gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_PH:
check_dsp_r2(ctx);
gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_S_PH:
check_dsp_r2(ctx);
gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBQ_PH:
check_dsp(ctx);
gen_helper_subq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBQ_S_PH:
check_dsp(ctx);
gen_helper_subq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBQ_S_W:
check_dsp(ctx);
gen_helper_subq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_QB:
check_dsp(ctx);
gen_helper_subu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_S_QB:
check_dsp(ctx);
gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_PH:
check_dsp_r2(ctx);
gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_S_PH:
check_dsp_r2(ctx);
gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDSC:
check_dsp(ctx);
gen_helper_addsc(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDWC:
check_dsp(ctx);
gen_helper_addwc(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MODSUB:
check_dsp(ctx);
gen_helper_modsub(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_RADDU_W_QB:
check_dsp(ctx);
gen_helper_raddu_w_qb(cpu_gpr[ret], v1_t);
break;
}
break;
case OPC_CMPU_EQ_QB_DSP:
switch (op2) {
case OPC_PRECR_QB_PH:
check_dsp_r2(ctx);
gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PRECRQ_QB_PH:
check_dsp(ctx);
gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PRECR_SRA_PH_W:
check_dsp_r2(ctx);
{
TCGv_i32 sa_t = tcg_constant_i32(v2);
gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t,
cpu_gpr[ret]);
break;
}
case OPC_PRECR_SRA_R_PH_W:
check_dsp_r2(ctx);
{
TCGv_i32 sa_t = tcg_constant_i32(v2);
gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t,
cpu_gpr[ret]);
break;
}
case OPC_PRECRQ_PH_W:
check_dsp(ctx);
gen_helper_precrq_ph_w(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PRECRQ_RS_PH_W:
check_dsp(ctx);
gen_helper_precrq_rs_ph_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_PRECRQU_S_QB_PH:
check_dsp(ctx);
gen_helper_precrqu_s_qb_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
}
break;
#ifdef TARGET_MIPS64
case OPC_ABSQ_S_QH_DSP:
switch (op2) {
case OPC_PRECEQ_L_PWL:
check_dsp(ctx);
tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFFFFFF00000000ull);
break;
case OPC_PRECEQ_L_PWR:
check_dsp(ctx);
tcg_gen_shli_tl(cpu_gpr[ret], v2_t, 32);
break;
case OPC_PRECEQ_PW_QHL:
check_dsp(ctx);
gen_helper_preceq_pw_qhl(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQ_PW_QHR:
check_dsp(ctx);
gen_helper_preceq_pw_qhr(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQ_PW_QHLA:
check_dsp(ctx);
gen_helper_preceq_pw_qhla(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQ_PW_QHRA:
check_dsp(ctx);
gen_helper_preceq_pw_qhra(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQU_QH_OBL:
check_dsp(ctx);
gen_helper_precequ_qh_obl(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQU_QH_OBR:
check_dsp(ctx);
gen_helper_precequ_qh_obr(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQU_QH_OBLA:
check_dsp(ctx);
gen_helper_precequ_qh_obla(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEQU_QH_OBRA:
check_dsp(ctx);
gen_helper_precequ_qh_obra(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_QH_OBL:
check_dsp(ctx);
gen_helper_preceu_qh_obl(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_QH_OBR:
check_dsp(ctx);
gen_helper_preceu_qh_obr(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_QH_OBLA:
check_dsp(ctx);
gen_helper_preceu_qh_obla(cpu_gpr[ret], v2_t);
break;
case OPC_PRECEU_QH_OBRA:
check_dsp(ctx);
gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t);
break;
case OPC_ABSQ_S_OB:
check_dsp_r2(ctx);
gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, tcg_env);
break;
case OPC_ABSQ_S_PW:
check_dsp(ctx);
gen_helper_absq_s_pw(cpu_gpr[ret], v2_t, tcg_env);
break;
case OPC_ABSQ_S_QH:
check_dsp(ctx);
gen_helper_absq_s_qh(cpu_gpr[ret], v2_t, tcg_env);
break;
}
break;
case OPC_ADDU_OB_DSP:
switch (op2) {
case OPC_RADDU_L_OB:
check_dsp(ctx);
gen_helper_raddu_l_ob(cpu_gpr[ret], v1_t);
break;
case OPC_SUBQ_PW:
check_dsp(ctx);
gen_helper_subq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBQ_S_PW:
check_dsp(ctx);
gen_helper_subq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBQ_QH:
check_dsp(ctx);
gen_helper_subq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBQ_S_QH:
check_dsp(ctx);
gen_helper_subq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_OB:
check_dsp(ctx);
gen_helper_subu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_S_OB:
check_dsp(ctx);
gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_QH:
check_dsp_r2(ctx);
gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBU_S_QH:
check_dsp_r2(ctx);
gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SUBUH_OB:
check_dsp_r2(ctx);
gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SUBUH_R_OB:
check_dsp_r2(ctx);
gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_ADDQ_PW:
check_dsp(ctx);
gen_helper_addq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDQ_S_PW:
check_dsp(ctx);
gen_helper_addq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDQ_QH:
check_dsp(ctx);
gen_helper_addq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDQ_S_QH:
check_dsp(ctx);
gen_helper_addq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_OB:
check_dsp(ctx);
gen_helper_addu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_S_OB:
check_dsp(ctx);
gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_QH:
check_dsp_r2(ctx);
gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDU_S_QH:
check_dsp_r2(ctx);
gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_ADDUH_OB:
check_dsp_r2(ctx);
gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_ADDUH_R_OB:
check_dsp_r2(ctx);
gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t);
break;
}
break;
case OPC_CMPU_EQ_OB_DSP:
switch (op2) {
case OPC_PRECR_OB_QH:
check_dsp_r2(ctx);
gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PRECR_SRA_QH_PW:
check_dsp_r2(ctx);
{
TCGv_i32 ret_t = tcg_constant_i32(ret);
gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t);
break;
}
case OPC_PRECR_SRA_R_QH_PW:
check_dsp_r2(ctx);
{
TCGv_i32 sa_v = tcg_constant_i32(ret);
gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v);
break;
}
case OPC_PRECRQ_OB_QH:
check_dsp(ctx);
gen_helper_precrq_ob_qh(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PRECRQ_PW_L:
check_dsp(ctx);
gen_helper_precrq_pw_l(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PRECRQ_QH_PW:
check_dsp(ctx);
gen_helper_precrq_qh_pw(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PRECRQ_RS_QH_PW:
check_dsp(ctx);
gen_helper_precrq_rs_qh_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_PRECRQU_S_OB_QH:
check_dsp(ctx);
gen_helper_precrqu_s_ob_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
}
break;
#endif
}
}
static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc,
int ret, int v1, int v2)
{
uint32_t op2;
TCGv t0;
TCGv v1_t;
TCGv v2_t;
if (ret == 0) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
v1_t = tcg_temp_new();
v2_t = tcg_temp_new();
tcg_gen_movi_tl(t0, v1);
gen_load_gpr(v1_t, v1);
gen_load_gpr(v2_t, v2);
switch (opc) {
case OPC_SHLL_QB_DSP:
{
op2 = MASK_SHLL_QB(ctx->opcode);
switch (op2) {
case OPC_SHLL_QB:
check_dsp(ctx);
gen_helper_shll_qb(cpu_gpr[ret], t0, v2_t, tcg_env);
break;
case OPC_SHLLV_QB:
check_dsp(ctx);
gen_helper_shll_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SHLL_PH:
check_dsp(ctx);
gen_helper_shll_ph(cpu_gpr[ret], t0, v2_t, tcg_env);
break;
case OPC_SHLLV_PH:
check_dsp(ctx);
gen_helper_shll_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SHLL_S_PH:
check_dsp(ctx);
gen_helper_shll_s_ph(cpu_gpr[ret], t0, v2_t, tcg_env);
break;
case OPC_SHLLV_S_PH:
check_dsp(ctx);
gen_helper_shll_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SHLL_S_W:
check_dsp(ctx);
gen_helper_shll_s_w(cpu_gpr[ret], t0, v2_t, tcg_env);
break;
case OPC_SHLLV_S_W:
check_dsp(ctx);
gen_helper_shll_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_SHRL_QB:
check_dsp(ctx);
gen_helper_shrl_qb(cpu_gpr[ret], t0, v2_t);
break;
case OPC_SHRLV_QB:
check_dsp(ctx);
gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SHRL_PH:
check_dsp_r2(ctx);
gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t);
break;
case OPC_SHRLV_PH:
check_dsp_r2(ctx);
gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SHRA_QB:
check_dsp_r2(ctx);
gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t);
break;
case OPC_SHRA_R_QB:
check_dsp_r2(ctx);
gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t);
break;
case OPC_SHRAV_QB:
check_dsp_r2(ctx);
gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SHRAV_R_QB:
check_dsp_r2(ctx);
gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SHRA_PH:
check_dsp(ctx);
gen_helper_shra_ph(cpu_gpr[ret], t0, v2_t);
break;
case OPC_SHRA_R_PH:
check_dsp(ctx);
gen_helper_shra_r_ph(cpu_gpr[ret], t0, v2_t);
break;
case OPC_SHRAV_PH:
check_dsp(ctx);
gen_helper_shra_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SHRAV_R_PH:
check_dsp(ctx);
gen_helper_shra_r_ph(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_SHRA_R_W:
check_dsp(ctx);
gen_helper_shra_r_w(cpu_gpr[ret], t0, v2_t);
break;
case OPC_SHRAV_R_W:
check_dsp(ctx);
gen_helper_shra_r_w(cpu_gpr[ret], v1_t, v2_t);
break;
default: /* Invalid */
MIPS_INVAL("MASK SHLL.QB");
gen_reserved_instruction(ctx);
break;
}
break;
}
#ifdef TARGET_MIPS64
case OPC_SHLL_OB_DSP:
op2 = MASK_SHLL_OB(ctx->opcode);
switch (op2) {
case OPC_SHLL_PW:
check_dsp(ctx);
gen_helper_shll_pw(cpu_gpr[ret], v2_t, t0, tcg_env);
break;
case OPC_SHLLV_PW:
check_dsp(ctx);
gen_helper_shll_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env);
break;
case OPC_SHLL_S_PW:
check_dsp(ctx);
gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, t0, tcg_env);
break;
case OPC_SHLLV_S_PW:
check_dsp(ctx);
gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env);
break;
case OPC_SHLL_OB:
check_dsp(ctx);
gen_helper_shll_ob(cpu_gpr[ret], v2_t, t0, tcg_env);
break;
case OPC_SHLLV_OB:
check_dsp(ctx);
gen_helper_shll_ob(cpu_gpr[ret], v2_t, v1_t, tcg_env);
break;
case OPC_SHLL_QH:
check_dsp(ctx);
gen_helper_shll_qh(cpu_gpr[ret], v2_t, t0, tcg_env);
break;
case OPC_SHLLV_QH:
check_dsp(ctx);
gen_helper_shll_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env);
break;
case OPC_SHLL_S_QH:
check_dsp(ctx);
gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, t0, tcg_env);
break;
case OPC_SHLLV_S_QH:
check_dsp(ctx);
gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env);
break;
case OPC_SHRA_OB:
check_dsp_r2(ctx);
gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRAV_OB:
check_dsp_r2(ctx);
gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t);
break;
case OPC_SHRA_R_OB:
check_dsp_r2(ctx);
gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRAV_R_OB:
check_dsp_r2(ctx);
gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t);
break;
case OPC_SHRA_PW:
check_dsp(ctx);
gen_helper_shra_pw(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRAV_PW:
check_dsp(ctx);
gen_helper_shra_pw(cpu_gpr[ret], v2_t, v1_t);
break;
case OPC_SHRA_R_PW:
check_dsp(ctx);
gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRAV_R_PW:
check_dsp(ctx);
gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, v1_t);
break;
case OPC_SHRA_QH:
check_dsp(ctx);
gen_helper_shra_qh(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRAV_QH:
check_dsp(ctx);
gen_helper_shra_qh(cpu_gpr[ret], v2_t, v1_t);
break;
case OPC_SHRA_R_QH:
check_dsp(ctx);
gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRAV_R_QH:
check_dsp(ctx);
gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, v1_t);
break;
case OPC_SHRL_OB:
check_dsp(ctx);
gen_helper_shrl_ob(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRLV_OB:
check_dsp(ctx);
gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t);
break;
case OPC_SHRL_QH:
check_dsp_r2(ctx);
gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0);
break;
case OPC_SHRLV_QH:
check_dsp_r2(ctx);
gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t);
break;
default: /* Invalid */
MIPS_INVAL("MASK SHLL.OB");
gen_reserved_instruction(ctx);
break;
}
break;
#endif
}
}
static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2,
int ret, int v1, int v2, int check_ret)
{
TCGv_i32 t0;
TCGv v1_t;
TCGv v2_t;
if ((ret == 0) && (check_ret == 1)) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new_i32();
v1_t = tcg_temp_new();
v2_t = tcg_temp_new();
tcg_gen_movi_i32(t0, ret);
gen_load_gpr(v1_t, v1);
gen_load_gpr(v2_t, v2);
switch (op1) {
/*
* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
* the same mask and op1.
*/
case OPC_MULT_G_2E:
check_dsp_r2(ctx);
switch (op2) {
case OPC_MUL_PH:
gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MUL_S_PH:
gen_helper_mul_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULQ_S_W:
gen_helper_mulq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULQ_RS_W:
gen_helper_mulq_rs_w(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
}
break;
case OPC_DPA_W_PH_DSP:
switch (op2) {
case OPC_DPAU_H_QBL:
check_dsp(ctx);
gen_helper_dpau_h_qbl(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPAU_H_QBR:
check_dsp(ctx);
gen_helper_dpau_h_qbr(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPSU_H_QBL:
check_dsp(ctx);
gen_helper_dpsu_h_qbl(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPSU_H_QBR:
check_dsp(ctx);
gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPA_W_PH:
check_dsp_r2(ctx);
gen_helper_dpa_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPAX_W_PH:
check_dsp_r2(ctx);
gen_helper_dpax_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPAQ_S_W_PH:
check_dsp(ctx);
gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPAQX_S_W_PH:
check_dsp_r2(ctx);
gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPAQX_SA_W_PH:
check_dsp_r2(ctx);
gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPS_W_PH:
check_dsp_r2(ctx);
gen_helper_dps_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPSX_W_PH:
check_dsp_r2(ctx);
gen_helper_dpsx_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPSQ_S_W_PH:
check_dsp(ctx);
gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPSQX_S_W_PH:
check_dsp_r2(ctx);
gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPSQX_SA_W_PH:
check_dsp_r2(ctx);
gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_MULSAQ_S_W_PH:
check_dsp(ctx);
gen_helper_mulsaq_s_w_ph(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPAQ_SA_L_W:
check_dsp(ctx);
gen_helper_dpaq_sa_l_w(t0, v1_t, v2_t, tcg_env);
break;
case OPC_DPSQ_SA_L_W:
check_dsp(ctx);
gen_helper_dpsq_sa_l_w(t0, v1_t, v2_t, tcg_env);
break;
case OPC_MAQ_S_W_PHL:
check_dsp(ctx);
gen_helper_maq_s_w_phl(t0, v1_t, v2_t, tcg_env);
break;
case OPC_MAQ_S_W_PHR:
check_dsp(ctx);
gen_helper_maq_s_w_phr(t0, v1_t, v2_t, tcg_env);
break;
case OPC_MAQ_SA_W_PHL:
check_dsp(ctx);
gen_helper_maq_sa_w_phl(t0, v1_t, v2_t, tcg_env);
break;
case OPC_MAQ_SA_W_PHR:
check_dsp(ctx);
gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, tcg_env);
break;
case OPC_MULSA_W_PH:
check_dsp_r2(ctx);
gen_helper_mulsa_w_ph(t0, v1_t, v2_t, tcg_env);
break;
}
break;
#ifdef TARGET_MIPS64
case OPC_DPAQ_W_QH_DSP:
{
int ac = ret & 0x03;
tcg_gen_movi_i32(t0, ac);
switch (op2) {
case OPC_DMADD:
check_dsp(ctx);
gen_helper_dmadd(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DMADDU:
check_dsp(ctx);
gen_helper_dmaddu(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DMSUB:
check_dsp(ctx);
gen_helper_dmsub(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DMSUBU:
check_dsp(ctx);
gen_helper_dmsubu(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPA_W_QH:
check_dsp_r2(ctx);
gen_helper_dpa_w_qh(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPAQ_S_W_QH:
check_dsp(ctx);
gen_helper_dpaq_s_w_qh(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPAQ_SA_L_PW:
check_dsp(ctx);
gen_helper_dpaq_sa_l_pw(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPAU_H_OBL:
check_dsp(ctx);
gen_helper_dpau_h_obl(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPAU_H_OBR:
check_dsp(ctx);
gen_helper_dpau_h_obr(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPS_W_QH:
check_dsp_r2(ctx);
gen_helper_dps_w_qh(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPSQ_S_W_QH:
check_dsp(ctx);
gen_helper_dpsq_s_w_qh(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPSQ_SA_L_PW:
check_dsp(ctx);
gen_helper_dpsq_sa_l_pw(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPSU_H_OBL:
check_dsp(ctx);
gen_helper_dpsu_h_obl(v1_t, v2_t, t0, tcg_env);
break;
case OPC_DPSU_H_OBR:
check_dsp(ctx);
gen_helper_dpsu_h_obr(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_S_L_PWL:
check_dsp(ctx);
gen_helper_maq_s_l_pwl(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_S_L_PWR:
check_dsp(ctx);
gen_helper_maq_s_l_pwr(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_S_W_QHLL:
check_dsp(ctx);
gen_helper_maq_s_w_qhll(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_SA_W_QHLL:
check_dsp(ctx);
gen_helper_maq_sa_w_qhll(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_S_W_QHLR:
check_dsp(ctx);
gen_helper_maq_s_w_qhlr(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_SA_W_QHLR:
check_dsp(ctx);
gen_helper_maq_sa_w_qhlr(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_S_W_QHRL:
check_dsp(ctx);
gen_helper_maq_s_w_qhrl(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_SA_W_QHRL:
check_dsp(ctx);
gen_helper_maq_sa_w_qhrl(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_S_W_QHRR:
check_dsp(ctx);
gen_helper_maq_s_w_qhrr(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MAQ_SA_W_QHRR:
check_dsp(ctx);
gen_helper_maq_sa_w_qhrr(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MULSAQ_S_L_PW:
check_dsp(ctx);
gen_helper_mulsaq_s_l_pw(v1_t, v2_t, t0, tcg_env);
break;
case OPC_MULSAQ_S_W_QH:
check_dsp(ctx);
gen_helper_mulsaq_s_w_qh(v1_t, v2_t, t0, tcg_env);
break;
}
}
break;
#endif
case OPC_ADDU_QB_DSP:
switch (op2) {
case OPC_MULEU_S_PH_QBL:
check_dsp(ctx);
gen_helper_muleu_s_ph_qbl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULEU_S_PH_QBR:
check_dsp(ctx);
gen_helper_muleu_s_ph_qbr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULQ_RS_PH:
check_dsp(ctx);
gen_helper_mulq_rs_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULEQ_S_W_PHL:
check_dsp(ctx);
gen_helper_muleq_s_w_phl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULEQ_S_W_PHR:
check_dsp(ctx);
gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULQ_S_PH:
check_dsp_r2(ctx);
gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
}
break;
#ifdef TARGET_MIPS64
case OPC_ADDU_OB_DSP:
switch (op2) {
case OPC_MULEQ_S_PW_QHL:
check_dsp(ctx);
gen_helper_muleq_s_pw_qhl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULEQ_S_PW_QHR:
check_dsp(ctx);
gen_helper_muleq_s_pw_qhr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULEU_S_QH_OBL:
check_dsp(ctx);
gen_helper_muleu_s_qh_obl(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULEU_S_QH_OBR:
check_dsp(ctx);
gen_helper_muleu_s_qh_obr(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_MULQ_RS_QH:
check_dsp(ctx);
gen_helper_mulq_rs_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
}
break;
#endif
}
}
static void gen_mipsdsp_bitinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
int ret, int val)
{
int16_t imm;
TCGv t0;
TCGv val_t;
if (ret == 0) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
val_t = tcg_temp_new();
gen_load_gpr(val_t, val);
switch (op1) {
case OPC_ABSQ_S_PH_DSP:
switch (op2) {
case OPC_BITREV:
check_dsp(ctx);
gen_helper_bitrev(cpu_gpr[ret], val_t);
break;
case OPC_REPL_QB:
check_dsp(ctx);
{
target_long result;
imm = (ctx->opcode >> 16) & 0xFF;
result = (uint32_t)imm << 24 |
(uint32_t)imm << 16 |
(uint32_t)imm << 8 |
(uint32_t)imm;
result = (int32_t)result;
tcg_gen_movi_tl(cpu_gpr[ret], result);
}
break;
case OPC_REPLV_QB:
check_dsp(ctx);
tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
break;
case OPC_REPL_PH:
check_dsp(ctx);
{
imm = (ctx->opcode >> 16) & 0x03FF;
imm = (int16_t)(imm << 6) >> 6;
tcg_gen_movi_tl(cpu_gpr[ret], \
(target_long)((int32_t)imm << 16 | \
(uint16_t)imm));
}
break;
case OPC_REPLV_PH:
check_dsp(ctx);
tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]);
break;
}
break;
#ifdef TARGET_MIPS64
case OPC_ABSQ_S_QH_DSP:
switch (op2) {
case OPC_REPL_OB:
check_dsp(ctx);
{
target_long temp;
imm = (ctx->opcode >> 16) & 0xFF;
temp = ((uint64_t)imm << 8) | (uint64_t)imm;
temp = (temp << 16) | temp;
temp = (temp << 32) | temp;
tcg_gen_movi_tl(cpu_gpr[ret], temp);
break;
}
case OPC_REPL_PW:
check_dsp(ctx);
{
target_long temp;
imm = (ctx->opcode >> 16) & 0x03FF;
imm = (int16_t)(imm << 6) >> 6;
temp = ((target_long)imm << 32) \
| ((target_long)imm & 0xFFFFFFFF);
tcg_gen_movi_tl(cpu_gpr[ret], temp);
break;
}
case OPC_REPL_QH:
check_dsp(ctx);
{
target_long temp;
imm = (ctx->opcode >> 16) & 0x03FF;
imm = (int16_t)(imm << 6) >> 6;
temp = ((uint64_t)(uint16_t)imm << 48) |
((uint64_t)(uint16_t)imm << 32) |
((uint64_t)(uint16_t)imm << 16) |
(uint64_t)(uint16_t)imm;
tcg_gen_movi_tl(cpu_gpr[ret], temp);
break;
}
case OPC_REPLV_OB:
check_dsp(ctx);
tcg_gen_ext8u_tl(cpu_gpr[ret], val_t);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 8);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
break;
case OPC_REPLV_PW:
check_dsp(ctx);
tcg_gen_ext32u_i64(cpu_gpr[ret], val_t);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
break;
case OPC_REPLV_QH:
check_dsp(ctx);
tcg_gen_ext16u_tl(cpu_gpr[ret], val_t);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 16);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
tcg_gen_shli_tl(t0, cpu_gpr[ret], 32);
tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0);
break;
}
break;
#endif
}
}
static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx,
uint32_t op1, uint32_t op2,
int ret, int v1, int v2, int check_ret)
{
TCGv t1;
TCGv v1_t;
TCGv v2_t;
if ((ret == 0) && (check_ret == 1)) {
/* Treat as NOP. */
return;
}
t1 = tcg_temp_new();
v1_t = tcg_temp_new();
v2_t = tcg_temp_new();
gen_load_gpr(v1_t, v1);
gen_load_gpr(v2_t, v2);
switch (op1) {
case OPC_CMPU_EQ_QB_DSP:
switch (op2) {
case OPC_CMPU_EQ_QB:
check_dsp(ctx);
gen_helper_cmpu_eq_qb(v1_t, v2_t, tcg_env);
break;
case OPC_CMPU_LT_QB:
check_dsp(ctx);
gen_helper_cmpu_lt_qb(v1_t, v2_t, tcg_env);
break;
case OPC_CMPU_LE_QB:
check_dsp(ctx);
gen_helper_cmpu_le_qb(v1_t, v2_t, tcg_env);
break;
case OPC_CMPGU_EQ_QB:
check_dsp(ctx);
gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_CMPGU_LT_QB:
check_dsp(ctx);
gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_CMPGU_LE_QB:
check_dsp(ctx);
gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_CMPGDU_EQ_QB:
check_dsp_r2(ctx);
gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t);
tcg_gen_mov_tl(cpu_gpr[ret], t1);
tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
tcg_gen_shli_tl(t1, t1, 24);
tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
break;
case OPC_CMPGDU_LT_QB:
check_dsp_r2(ctx);
gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t);
tcg_gen_mov_tl(cpu_gpr[ret], t1);
tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
tcg_gen_shli_tl(t1, t1, 24);
tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
break;
case OPC_CMPGDU_LE_QB:
check_dsp_r2(ctx);
gen_helper_cmpgu_le_qb(t1, v1_t, v2_t);
tcg_gen_mov_tl(cpu_gpr[ret], t1);
tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
tcg_gen_shli_tl(t1, t1, 24);
tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
break;
case OPC_CMP_EQ_PH:
check_dsp(ctx);
gen_helper_cmp_eq_ph(v1_t, v2_t, tcg_env);
break;
case OPC_CMP_LT_PH:
check_dsp(ctx);
gen_helper_cmp_lt_ph(v1_t, v2_t, tcg_env);
break;
case OPC_CMP_LE_PH:
check_dsp(ctx);
gen_helper_cmp_le_ph(v1_t, v2_t, tcg_env);
break;
case OPC_PICK_QB:
check_dsp(ctx);
gen_helper_pick_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_PICK_PH:
check_dsp(ctx);
gen_helper_pick_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_PACKRL_PH:
check_dsp(ctx);
gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t);
break;
}
break;
#ifdef TARGET_MIPS64
case OPC_CMPU_EQ_OB_DSP:
switch (op2) {
case OPC_CMP_EQ_PW:
check_dsp(ctx);
gen_helper_cmp_eq_pw(v1_t, v2_t, tcg_env);
break;
case OPC_CMP_LT_PW:
check_dsp(ctx);
gen_helper_cmp_lt_pw(v1_t, v2_t, tcg_env);
break;
case OPC_CMP_LE_PW:
check_dsp(ctx);
gen_helper_cmp_le_pw(v1_t, v2_t, tcg_env);
break;
case OPC_CMP_EQ_QH:
check_dsp(ctx);
gen_helper_cmp_eq_qh(v1_t, v2_t, tcg_env);
break;
case OPC_CMP_LT_QH:
check_dsp(ctx);
gen_helper_cmp_lt_qh(v1_t, v2_t, tcg_env);
break;
case OPC_CMP_LE_QH:
check_dsp(ctx);
gen_helper_cmp_le_qh(v1_t, v2_t, tcg_env);
break;
case OPC_CMPGDU_EQ_OB:
check_dsp_r2(ctx);
gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_CMPGDU_LT_OB:
check_dsp_r2(ctx);
gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_CMPGDU_LE_OB:
check_dsp_r2(ctx);
gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_CMPGU_EQ_OB:
check_dsp(ctx);
gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_CMPGU_LT_OB:
check_dsp(ctx);
gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_CMPGU_LE_OB:
check_dsp(ctx);
gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_CMPU_EQ_OB:
check_dsp(ctx);
gen_helper_cmpu_eq_ob(v1_t, v2_t, tcg_env);
break;
case OPC_CMPU_LT_OB:
check_dsp(ctx);
gen_helper_cmpu_lt_ob(v1_t, v2_t, tcg_env);
break;
case OPC_CMPU_LE_OB:
check_dsp(ctx);
gen_helper_cmpu_le_ob(v1_t, v2_t, tcg_env);
break;
case OPC_PACKRL_PW:
check_dsp(ctx);
gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t);
break;
case OPC_PICK_OB:
check_dsp(ctx);
gen_helper_pick_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_PICK_PW:
check_dsp(ctx);
gen_helper_pick_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
case OPC_PICK_QH:
check_dsp(ctx);
gen_helper_pick_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env);
break;
}
break;
#endif
}
}
static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx,
uint32_t op1, int rt, int rs, int sa)
{
TCGv t0;
check_dsp_r2(ctx);
if (rt == 0) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
gen_load_gpr(t0, rs);
switch (op1) {
case OPC_APPEND_DSP:
switch (MASK_APPEND(ctx->opcode)) {
case OPC_APPEND:
if (sa != 0) {
tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 32 - sa);
}
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
break;
case OPC_PREPEND:
if (sa != 0) {
tcg_gen_ext32u_tl(cpu_gpr[rt], cpu_gpr[rt]);
tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
tcg_gen_shli_tl(t0, t0, 32 - sa);
tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
}
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
break;
case OPC_BALIGN:
sa &= 3;
if (sa != 0 && sa != 2) {
tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_shri_tl(t0, t0, 8 * (4 - sa));
tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
}
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
break;
default: /* Invalid */
MIPS_INVAL("MASK APPEND");
gen_reserved_instruction(ctx);
break;
}
break;
#ifdef TARGET_MIPS64
case OPC_DAPPEND_DSP:
switch (MASK_DAPPEND(ctx->opcode)) {
case OPC_DAPPEND:
if (sa != 0) {
tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 64 - sa);
}
break;
case OPC_PREPENDD:
tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], 0x20 | sa);
tcg_gen_shli_tl(t0, t0, 64 - (0x20 | sa));
tcg_gen_or_tl(cpu_gpr[rt], t0, t0);
break;
case OPC_PREPENDW:
if (sa != 0) {
tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa);
tcg_gen_shli_tl(t0, t0, 64 - sa);
tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
}
break;
case OPC_DBALIGN:
sa &= 7;
if (sa != 0 && sa != 2 && sa != 4) {
tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa);
tcg_gen_shri_tl(t0, t0, 8 * (8 - sa));
tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0);
}
break;
default: /* Invalid */
MIPS_INVAL("MASK DAPPEND");
gen_reserved_instruction(ctx);
break;
}
break;
#endif
}
}
static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2,
int ret, int v1, int v2, int check_ret)
{
TCGv t0;
TCGv t1;
TCGv v1_t;
int16_t imm;
if ((ret == 0) && (check_ret == 1)) {
/* Treat as NOP. */
return;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
v1_t = tcg_temp_new();
gen_load_gpr(v1_t, v1);
switch (op1) {
case OPC_EXTR_W_DSP:
check_dsp(ctx);
switch (op2) {
case OPC_EXTR_W:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_extr_w(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_EXTR_R_W:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_EXTR_RS_W:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_EXTR_S_H:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_EXTRV_S_H:
tcg_gen_movi_tl(t0, v2);
gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_EXTRV_W:
tcg_gen_movi_tl(t0, v2);
gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_EXTRV_R_W:
tcg_gen_movi_tl(t0, v2);
gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_EXTRV_RS_W:
tcg_gen_movi_tl(t0, v2);
gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_EXTP:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_extp(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_EXTPV:
tcg_gen_movi_tl(t0, v2);
gen_helper_extp(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_EXTPDP:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_extpdp(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_EXTPDPV:
tcg_gen_movi_tl(t0, v2);
gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_SHILO:
imm = (ctx->opcode >> 20) & 0x3F;
tcg_gen_movi_tl(t0, ret);
tcg_gen_movi_tl(t1, imm);
gen_helper_shilo(t0, t1, tcg_env);
break;
case OPC_SHILOV:
tcg_gen_movi_tl(t0, ret);
gen_helper_shilo(t0, v1_t, tcg_env);
break;
case OPC_MTHLIP:
tcg_gen_movi_tl(t0, ret);
gen_helper_mthlip(t0, v1_t, tcg_env);
break;
case OPC_WRDSP:
imm = (ctx->opcode >> 11) & 0x3FF;
tcg_gen_movi_tl(t0, imm);
gen_helper_wrdsp(v1_t, t0, tcg_env);
break;
case OPC_RDDSP:
imm = (ctx->opcode >> 16) & 0x03FF;
tcg_gen_movi_tl(t0, imm);
gen_helper_rddsp(cpu_gpr[ret], t0, tcg_env);
break;
}
break;
#ifdef TARGET_MIPS64
case OPC_DEXTR_W_DSP:
check_dsp(ctx);
switch (op2) {
case OPC_DMTHLIP:
tcg_gen_movi_tl(t0, ret);
gen_helper_dmthlip(v1_t, t0, tcg_env);
break;
case OPC_DSHILO:
{
int shift = (ctx->opcode >> 19) & 0x7F;
int ac = (ctx->opcode >> 11) & 0x03;
tcg_gen_movi_tl(t0, shift);
tcg_gen_movi_tl(t1, ac);
gen_helper_dshilo(t0, t1, tcg_env);
break;
}
case OPC_DSHILOV:
{
int ac = (ctx->opcode >> 11) & 0x03;
tcg_gen_movi_tl(t0, ac);
gen_helper_dshilo(v1_t, t0, tcg_env);
break;
}
case OPC_DEXTP:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextp(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTPV:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextp(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTPDP:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextpdp(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTPDPV:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTR_L:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextr_l(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTR_R_L:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTR_RS_L:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTR_W:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextr_w(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTR_R_W:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTR_RS_W:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTR_S_H:
tcg_gen_movi_tl(t0, v2);
tcg_gen_movi_tl(t1, v1);
gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, tcg_env);
break;
case OPC_DEXTRV_S_H:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTRV_L:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTRV_R_L:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTRV_RS_L:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTRV_W:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTRV_R_W:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
case OPC_DEXTRV_RS_W:
tcg_gen_movi_tl(t0, v2);
gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env);
break;
}
break;
#endif
}
}
/* End MIPSDSP functions. */
static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx)
{
int rs, rt, rd, sa;
uint32_t op1, op2;
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
sa = (ctx->opcode >> 6) & 0x1f;
op1 = MASK_SPECIAL(ctx->opcode);
switch (op1) {
case OPC_MULT:
case OPC_MULTU:
case OPC_DIV:
case OPC_DIVU:
op2 = MASK_R6_MULDIV(ctx->opcode);
switch (op2) {
case R6_OPC_MUL:
case R6_OPC_MUH:
case R6_OPC_MULU:
case R6_OPC_MUHU:
case R6_OPC_DIV:
case R6_OPC_MOD:
case R6_OPC_DIVU:
case R6_OPC_MODU:
gen_r6_muldiv(ctx, op2, rd, rs, rt);
break;
default:
MIPS_INVAL("special_r6 muldiv");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_SELEQZ:
case OPC_SELNEZ:
gen_cond_move(ctx, op1, rd, rs, rt);
break;
case R6_OPC_CLO:
case R6_OPC_CLZ:
if (rt == 0 && sa == 1) {
/*
* Major opcode and function field is shared with preR6 MFHI/MTHI.
* We need additionally to check other fields.
*/
gen_cl(ctx, op1, rd, rs);
} else {
gen_reserved_instruction(ctx);
}
break;
case R6_OPC_SDBBP:
if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) {
ctx->base.is_jmp = DISAS_SEMIHOST;
} else {
if (ctx->hflags & MIPS_HFLAG_SBRI) {
gen_reserved_instruction(ctx);
} else {
generate_exception_end(ctx, EXCP_DBp);
}
}
break;
#if defined(TARGET_MIPS64)
case R6_OPC_DCLO:
case R6_OPC_DCLZ:
if (rt == 0 && sa == 1) {
/*
* Major opcode and function field is shared with preR6 MFHI/MTHI.
* We need additionally to check other fields.
*/
check_mips_64(ctx);
gen_cl(ctx, op1, rd, rs);
} else {
gen_reserved_instruction(ctx);
}
break;
case OPC_DMULT:
case OPC_DMULTU:
case OPC_DDIV:
case OPC_DDIVU:
op2 = MASK_R6_MULDIV(ctx->opcode);
switch (op2) {
case R6_OPC_DMUL:
case R6_OPC_DMUH:
case R6_OPC_DMULU:
case R6_OPC_DMUHU:
case R6_OPC_DDIV:
case R6_OPC_DMOD:
case R6_OPC_DDIVU:
case R6_OPC_DMODU:
check_mips_64(ctx);
gen_r6_muldiv(ctx, op2, rd, rs, rt);
break;
default:
MIPS_INVAL("special_r6 muldiv");
gen_reserved_instruction(ctx);
break;
}
break;
#endif
default: /* Invalid */
MIPS_INVAL("special_r6");
gen_reserved_instruction(ctx);
break;
}
}
static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx)
{
int rs = extract32(ctx->opcode, 21, 5);
int rt = extract32(ctx->opcode, 16, 5);
int rd = extract32(ctx->opcode, 11, 5);
uint32_t op1 = MASK_SPECIAL(ctx->opcode);
switch (op1) {
case OPC_MOVN: /* Conditional move */
case OPC_MOVZ:
gen_cond_move(ctx, op1, rd, rs, rt);
break;
case OPC_MFHI: /* Move from HI/LO */
case OPC_MFLO:
gen_HILO(ctx, op1, 0, rd);
break;
case OPC_MTHI:
case OPC_MTLO: /* Move to HI/LO */
gen_HILO(ctx, op1, 0, rs);
break;
case OPC_MULT:
case OPC_MULTU:
gen_mul_txx9(ctx, op1, rd, rs, rt);
break;
case OPC_DIV:
case OPC_DIVU:
gen_muldiv(ctx, op1, 0, rs, rt);
break;
#if defined(TARGET_MIPS64)
case OPC_DMULT:
case OPC_DMULTU:
case OPC_DDIV:
case OPC_DDIVU:
check_insn_opc_user_only(ctx, INSN_R5900);
gen_muldiv(ctx, op1, 0, rs, rt);
break;
#endif
case OPC_JR:
gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4);
break;
default: /* Invalid */
MIPS_INVAL("special_tx79");
gen_reserved_instruction(ctx);
break;
}
}
static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx)
{
int rs, rt, rd;
uint32_t op1;
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
op1 = MASK_SPECIAL(ctx->opcode);
switch (op1) {
case OPC_MOVN: /* Conditional move */
case OPC_MOVZ:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 |
INSN_LOONGSON2E | INSN_LOONGSON2F);
gen_cond_move(ctx, op1, rd, rs, rt);
break;
case OPC_MFHI: /* Move from HI/LO */
case OPC_MFLO:
gen_HILO(ctx, op1, rs & 3, rd);
break;
case OPC_MTHI:
case OPC_MTLO: /* Move to HI/LO */
gen_HILO(ctx, op1, rd & 3, rs);
break;
case OPC_MOVCI:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1);
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
check_cp1_enabled(ctx);
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
(ctx->opcode >> 16) & 1);
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
case OPC_MULT:
case OPC_MULTU:
gen_muldiv(ctx, op1, rd & 3, rs, rt);
break;
case OPC_DIV:
case OPC_DIVU:
gen_muldiv(ctx, op1, 0, rs, rt);
break;
#if defined(TARGET_MIPS64)
case OPC_DMULT:
case OPC_DMULTU:
case OPC_DDIV:
case OPC_DDIVU:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_muldiv(ctx, op1, 0, rs, rt);
break;
#endif
case OPC_JR:
gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4);
break;
case OPC_SPIM:
#ifdef MIPS_STRICT_STANDARD
MIPS_INVAL("SPIM");
gen_reserved_instruction(ctx);
#else
/* Implemented as RI exception for now. */
MIPS_INVAL("spim (unofficial)");
gen_reserved_instruction(ctx);
#endif
break;
default: /* Invalid */
MIPS_INVAL("special_legacy");
gen_reserved_instruction(ctx);
break;
}
}
static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx)
{
int rs, rt, rd, sa;
uint32_t op1;
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
sa = (ctx->opcode >> 6) & 0x1f;
op1 = MASK_SPECIAL(ctx->opcode);
switch (op1) {
case OPC_SLL: /* Shift with immediate */
if (sa == 5 && rd == 0 &&
rs == 0 && rt == 0) { /* PAUSE */
if ((ctx->insn_flags & ISA_MIPS_R6) &&
(ctx->hflags & MIPS_HFLAG_BMASK)) {
gen_reserved_instruction(ctx);
break;
}
}
/* Fallthrough */
case OPC_SRA:
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
case OPC_SRL:
switch ((ctx->opcode >> 21) & 0x1f) {
case 1:
/* rotr is decoded as srl on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS_R2) {
op1 = OPC_ROTR;
}
/* Fallthrough */
case 0:
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
default:
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_ADD:
case OPC_ADDU:
case OPC_SUB:
case OPC_SUBU:
gen_arith(ctx, op1, rd, rs, rt);
break;
case OPC_SLLV: /* Shifts */
case OPC_SRAV:
gen_shift(ctx, op1, rd, rs, rt);
break;
case OPC_SRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 1:
/* rotrv is decoded as srlv on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS_R2) {
op1 = OPC_ROTRV;
}
/* Fallthrough */
case 0:
gen_shift(ctx, op1, rd, rs, rt);
break;
default:
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_SLT: /* Set on less than */
case OPC_SLTU:
gen_slt(ctx, op1, rd, rs, rt);
break;
case OPC_AND: /* Logic*/
case OPC_OR:
case OPC_NOR:
case OPC_XOR:
gen_logic(ctx, op1, rd, rs, rt);
break;
case OPC_JALR:
gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4);
break;
case OPC_TGE: /* Traps */
case OPC_TGEU:
case OPC_TLT:
case OPC_TLTU:
case OPC_TEQ:
case OPC_TNE:
check_insn(ctx, ISA_MIPS2);
gen_trap(ctx, op1, rs, rt, -1, extract32(ctx->opcode, 6, 10));
break;
case OPC_PMON:
/* Pmon entry point, also R4010 selsl */
#ifdef MIPS_STRICT_STANDARD
MIPS_INVAL("PMON / selsl");
gen_reserved_instruction(ctx);
#else
gen_helper_pmon(tcg_env, tcg_constant_i32(sa));
#endif
break;
case OPC_SYSCALL:
generate_exception_end(ctx, EXCP_SYSCALL);
break;
case OPC_BREAK:
generate_exception_break(ctx, extract32(ctx->opcode, 6, 20));
break;
case OPC_SYNC:
check_insn(ctx, ISA_MIPS2);
gen_sync(extract32(ctx->opcode, 6, 5));
break;
#if defined(TARGET_MIPS64)
/* MIPS64 specific opcodes */
case OPC_DSLL:
case OPC_DSRA:
case OPC_DSLL32:
case OPC_DSRA32:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
case OPC_DSRL:
switch ((ctx->opcode >> 21) & 0x1f) {
case 1:
/* drotr is decoded as dsrl on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS_R2) {
op1 = OPC_DROTR;
}
/* Fallthrough */
case 0:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
default:
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_DSRL32:
switch ((ctx->opcode >> 21) & 0x1f) {
case 1:
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS_R2) {
op1 = OPC_DROTR32;
}
/* Fallthrough */
case 0:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift_imm(ctx, op1, rd, rt, sa);
break;
default:
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_DADD:
case OPC_DADDU:
case OPC_DSUB:
case OPC_DSUBU:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith(ctx, op1, rd, rs, rt);
break;
case OPC_DSLLV:
case OPC_DSRAV:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift(ctx, op1, rd, rs, rt);
break;
case OPC_DSRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 1:
/* drotrv is decoded as dsrlv on non-R2 CPUs */
if (ctx->insn_flags & ISA_MIPS_R2) {
op1 = OPC_DROTRV;
}
/* Fallthrough */
case 0:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_shift(ctx, op1, rd, rs, rt);
break;
default:
gen_reserved_instruction(ctx);
break;
}
break;
#endif
default:
if (ctx->insn_flags & ISA_MIPS_R6) {
decode_opc_special_r6(env, ctx);
} else if (ctx->insn_flags & INSN_R5900) {
decode_opc_special_tx79(env, ctx);
} else {
decode_opc_special_legacy(env, ctx);
}
}
}
static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx)
{
int rs, rt, rd;
uint32_t op1;
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
op1 = MASK_SPECIAL2(ctx->opcode);
switch (op1) {
case OPC_MADD: /* Multiply and add/sub */
case OPC_MADDU:
case OPC_MSUB:
case OPC_MSUBU:
check_insn(ctx, ISA_MIPS_R1);
gen_muldiv(ctx, op1, rd & 3, rs, rt);
break;
case OPC_MUL:
gen_arith(ctx, op1, rd, rs, rt);
break;
case OPC_DIV_G_2F:
case OPC_DIVU_G_2F:
case OPC_MULT_G_2F:
case OPC_MULTU_G_2F:
case OPC_MOD_G_2F:
case OPC_MODU_G_2F:
check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT);
gen_loongson_integer(ctx, op1, rd, rs, rt);
break;
case OPC_CLO:
case OPC_CLZ:
check_insn(ctx, ISA_MIPS_R1);
gen_cl(ctx, op1, rd, rs);
break;
case OPC_SDBBP:
if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) {
ctx->base.is_jmp = DISAS_SEMIHOST;
} else {
/*
* XXX: not clear which exception should be raised
* when in debug mode...
*/
check_insn(ctx, ISA_MIPS_R1);
generate_exception_end(ctx, EXCP_DBp);
}
break;
#if defined(TARGET_MIPS64)
case OPC_DCLO:
case OPC_DCLZ:
check_insn(ctx, ISA_MIPS_R1);
check_mips_64(ctx);
gen_cl(ctx, op1, rd, rs);
break;
case OPC_DMULT_G_2F:
case OPC_DMULTU_G_2F:
case OPC_DDIV_G_2F:
case OPC_DDIVU_G_2F:
case OPC_DMOD_G_2F:
case OPC_DMODU_G_2F:
check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT);
gen_loongson_integer(ctx, op1, rd, rs, rt);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special2_legacy");
gen_reserved_instruction(ctx);
break;
}
}
static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx)
{
int rs, rt, rd, sa;
uint32_t op1, op2;
int16_t imm;
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
sa = (ctx->opcode >> 6) & 0x1f;
imm = (int16_t)ctx->opcode >> 7;
op1 = MASK_SPECIAL3(ctx->opcode);
switch (op1) {
case R6_OPC_PREF:
if (rt >= 24) {
/* hint codes 24-31 are reserved and signal RI */
gen_reserved_instruction(ctx);
}
/* Treat as NOP. */
break;
case R6_OPC_CACHE:
check_cp0_enabled(ctx);
if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
gen_cache_operation(ctx, rt, rs, imm);
}
break;
case R6_OPC_SC:
gen_st_cond(ctx, rt, rs, imm, MO_TESL, false);
break;
case R6_OPC_LL:
gen_ld(ctx, op1, rt, rs, imm);
break;
case OPC_BSHFL:
{
if (rd == 0) {
/* Treat as NOP. */
break;
}
op2 = MASK_BSHFL(ctx->opcode);
switch (op2) {
case OPC_ALIGN:
case OPC_ALIGN_1:
case OPC_ALIGN_2:
case OPC_ALIGN_3:
gen_align(ctx, 32, rd, rs, rt, sa & 3);
break;
case OPC_BITSWAP:
gen_bitswap(ctx, op2, rd, rt);
break;
}
}
break;
#ifndef CONFIG_USER_ONLY
case OPC_GINV:
if (unlikely(ctx->gi <= 1)) {
gen_reserved_instruction(ctx);
}
check_cp0_enabled(ctx);
switch ((ctx->opcode >> 6) & 3) {
case 0: /* GINVI */
/* Treat as NOP. */
break;
case 2: /* GINVT */
gen_helper_0e1i(ginvt, cpu_gpr[rs], extract32(ctx->opcode, 8, 2));
break;
default:
gen_reserved_instruction(ctx);
break;
}
break;
#endif
#if defined(TARGET_MIPS64)
case R6_OPC_SCD:
gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false);
break;
case R6_OPC_LLD:
gen_ld(ctx, op1, rt, rs, imm);
break;
case OPC_DBSHFL:
check_mips_64(ctx);
{
if (rd == 0) {
/* Treat as NOP. */
break;
}
op2 = MASK_DBSHFL(ctx->opcode);
switch (op2) {
case OPC_DALIGN:
case OPC_DALIGN_1:
case OPC_DALIGN_2:
case OPC_DALIGN_3:
case OPC_DALIGN_4:
case OPC_DALIGN_5:
case OPC_DALIGN_6:
case OPC_DALIGN_7:
gen_align(ctx, 64, rd, rs, rt, sa & 7);
break;
case OPC_DBITSWAP:
gen_bitswap(ctx, op2, rd, rt);
break;
}
}
break;
#endif
default: /* Invalid */
MIPS_INVAL("special3_r6");
gen_reserved_instruction(ctx);
break;
}
}
static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx)
{
int rs, rt, rd;
uint32_t op1, op2;
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
op1 = MASK_SPECIAL3(ctx->opcode);
switch (op1) {
case OPC_DIV_G_2E:
case OPC_DIVU_G_2E:
case OPC_MOD_G_2E:
case OPC_MODU_G_2E:
case OPC_MULT_G_2E:
case OPC_MULTU_G_2E:
/*
* OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have
* the same mask and op1.
*/
if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) {
op2 = MASK_ADDUH_QB(ctx->opcode);
switch (op2) {
case OPC_ADDUH_QB:
case OPC_ADDUH_R_QB:
case OPC_ADDQH_PH:
case OPC_ADDQH_R_PH:
case OPC_ADDQH_W:
case OPC_ADDQH_R_W:
case OPC_SUBUH_QB:
case OPC_SUBUH_R_QB:
case OPC_SUBQH_PH:
case OPC_SUBQH_R_PH:
case OPC_SUBQH_W:
case OPC_SUBQH_R_W:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_MUL_PH:
case OPC_MUL_S_PH:
case OPC_MULQ_S_W:
case OPC_MULQ_RS_W:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
break;
default:
MIPS_INVAL("MASK ADDUH.QB");
gen_reserved_instruction(ctx);
break;
}
} else if (ctx->insn_flags & INSN_LOONGSON2E) {
gen_loongson_integer(ctx, op1, rd, rs, rt);
} else {
gen_reserved_instruction(ctx);
}
break;
case OPC_LX_DSP:
op2 = MASK_LX(ctx->opcode);
switch (op2) {
#if defined(TARGET_MIPS64)
case OPC_LDX:
#endif
case OPC_LBUX:
case OPC_LHX:
case OPC_LWX:
gen_mips_lx(ctx, op2, rd, rs, rt);
break;
default: /* Invalid */
MIPS_INVAL("MASK LX");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_ABSQ_S_PH_DSP:
op2 = MASK_ABSQ_S_PH(ctx->opcode);
switch (op2) {
case OPC_ABSQ_S_QB:
case OPC_ABSQ_S_PH:
case OPC_ABSQ_S_W:
case OPC_PRECEQ_W_PHL:
case OPC_PRECEQ_W_PHR:
case OPC_PRECEQU_PH_QBL:
case OPC_PRECEQU_PH_QBR:
case OPC_PRECEQU_PH_QBLA:
case OPC_PRECEQU_PH_QBRA:
case OPC_PRECEU_PH_QBL:
case OPC_PRECEU_PH_QBR:
case OPC_PRECEU_PH_QBLA:
case OPC_PRECEU_PH_QBRA:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_BITREV:
case OPC_REPL_QB:
case OPC_REPLV_QB:
case OPC_REPL_PH:
case OPC_REPLV_PH:
gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
break;
default:
MIPS_INVAL("MASK ABSQ_S.PH");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_ADDU_QB_DSP:
op2 = MASK_ADDU_QB(ctx->opcode);
switch (op2) {
case OPC_ADDQ_PH:
case OPC_ADDQ_S_PH:
case OPC_ADDQ_S_W:
case OPC_ADDU_QB:
case OPC_ADDU_S_QB:
case OPC_ADDU_PH:
case OPC_ADDU_S_PH:
case OPC_SUBQ_PH:
case OPC_SUBQ_S_PH:
case OPC_SUBQ_S_W:
case OPC_SUBU_QB:
case OPC_SUBU_S_QB:
case OPC_SUBU_PH:
case OPC_SUBU_S_PH:
case OPC_ADDSC:
case OPC_ADDWC:
case OPC_MODSUB:
case OPC_RADDU_W_QB:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_MULEU_S_PH_QBL:
case OPC_MULEU_S_PH_QBR:
case OPC_MULQ_RS_PH:
case OPC_MULEQ_S_W_PHL:
case OPC_MULEQ_S_W_PHR:
case OPC_MULQ_S_PH:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK ADDU.QB");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_CMPU_EQ_QB_DSP:
op2 = MASK_CMPU_EQ_QB(ctx->opcode);
switch (op2) {
case OPC_PRECR_SRA_PH_W:
case OPC_PRECR_SRA_R_PH_W:
gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
break;
case OPC_PRECR_QB_PH:
case OPC_PRECRQ_QB_PH:
case OPC_PRECRQ_PH_W:
case OPC_PRECRQ_RS_PH_W:
case OPC_PRECRQU_S_QB_PH:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_CMPU_EQ_QB:
case OPC_CMPU_LT_QB:
case OPC_CMPU_LE_QB:
case OPC_CMP_EQ_PH:
case OPC_CMP_LT_PH:
case OPC_CMP_LE_PH:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
break;
case OPC_CMPGU_EQ_QB:
case OPC_CMPGU_LT_QB:
case OPC_CMPGU_LE_QB:
case OPC_CMPGDU_EQ_QB:
case OPC_CMPGDU_LT_QB:
case OPC_CMPGDU_LE_QB:
case OPC_PICK_QB:
case OPC_PICK_PH:
case OPC_PACKRL_PH:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK CMPU.EQ.QB");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_SHLL_QB_DSP:
gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
break;
case OPC_DPA_W_PH_DSP:
op2 = MASK_DPA_W_PH(ctx->opcode);
switch (op2) {
case OPC_DPAU_H_QBL:
case OPC_DPAU_H_QBR:
case OPC_DPSU_H_QBL:
case OPC_DPSU_H_QBR:
case OPC_DPA_W_PH:
case OPC_DPAX_W_PH:
case OPC_DPAQ_S_W_PH:
case OPC_DPAQX_S_W_PH:
case OPC_DPAQX_SA_W_PH:
case OPC_DPS_W_PH:
case OPC_DPSX_W_PH:
case OPC_DPSQ_S_W_PH:
case OPC_DPSQX_S_W_PH:
case OPC_DPSQX_SA_W_PH:
case OPC_MULSAQ_S_W_PH:
case OPC_DPAQ_SA_L_W:
case OPC_DPSQ_SA_L_W:
case OPC_MAQ_S_W_PHL:
case OPC_MAQ_S_W_PHR:
case OPC_MAQ_SA_W_PHL:
case OPC_MAQ_SA_W_PHR:
case OPC_MULSA_W_PH:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK DPAW.PH");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_INSV_DSP:
op2 = MASK_INSV(ctx->opcode);
switch (op2) {
case OPC_INSV:
check_dsp(ctx);
{
TCGv t0, t1;
if (rt == 0) {
break;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_load_gpr(t1, rs);
gen_helper_insv(cpu_gpr[rt], tcg_env, t1, t0);
break;
}
default: /* Invalid */
MIPS_INVAL("MASK INSV");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_APPEND_DSP:
gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
break;
case OPC_EXTR_W_DSP:
op2 = MASK_EXTR_W(ctx->opcode);
switch (op2) {
case OPC_EXTR_W:
case OPC_EXTR_R_W:
case OPC_EXTR_RS_W:
case OPC_EXTR_S_H:
case OPC_EXTRV_S_H:
case OPC_EXTRV_W:
case OPC_EXTRV_R_W:
case OPC_EXTRV_RS_W:
case OPC_EXTP:
case OPC_EXTPV:
case OPC_EXTPDP:
case OPC_EXTPDPV:
gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
break;
case OPC_RDDSP:
gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1);
break;
case OPC_SHILO:
case OPC_SHILOV:
case OPC_MTHLIP:
case OPC_WRDSP:
gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK EXTR.W");
gen_reserved_instruction(ctx);
break;
}
break;
#if defined(TARGET_MIPS64)
case OPC_DDIV_G_2E:
case OPC_DDIVU_G_2E:
case OPC_DMULT_G_2E:
case OPC_DMULTU_G_2E:
case OPC_DMOD_G_2E:
case OPC_DMODU_G_2E:
check_insn(ctx, INSN_LOONGSON2E);
gen_loongson_integer(ctx, op1, rd, rs, rt);
break;
case OPC_ABSQ_S_QH_DSP:
op2 = MASK_ABSQ_S_QH(ctx->opcode);
switch (op2) {
case OPC_PRECEQ_L_PWL:
case OPC_PRECEQ_L_PWR:
case OPC_PRECEQ_PW_QHL:
case OPC_PRECEQ_PW_QHR:
case OPC_PRECEQ_PW_QHLA:
case OPC_PRECEQ_PW_QHRA:
case OPC_PRECEQU_QH_OBL:
case OPC_PRECEQU_QH_OBR:
case OPC_PRECEQU_QH_OBLA:
case OPC_PRECEQU_QH_OBRA:
case OPC_PRECEU_QH_OBL:
case OPC_PRECEU_QH_OBR:
case OPC_PRECEU_QH_OBLA:
case OPC_PRECEU_QH_OBRA:
case OPC_ABSQ_S_OB:
case OPC_ABSQ_S_PW:
case OPC_ABSQ_S_QH:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_REPL_OB:
case OPC_REPL_PW:
case OPC_REPL_QH:
case OPC_REPLV_OB:
case OPC_REPLV_PW:
case OPC_REPLV_QH:
gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt);
break;
default: /* Invalid */
MIPS_INVAL("MASK ABSQ_S.QH");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_ADDU_OB_DSP:
op2 = MASK_ADDU_OB(ctx->opcode);
switch (op2) {
case OPC_RADDU_L_OB:
case OPC_SUBQ_PW:
case OPC_SUBQ_S_PW:
case OPC_SUBQ_QH:
case OPC_SUBQ_S_QH:
case OPC_SUBU_OB:
case OPC_SUBU_S_OB:
case OPC_SUBU_QH:
case OPC_SUBU_S_QH:
case OPC_SUBUH_OB:
case OPC_SUBUH_R_OB:
case OPC_ADDQ_PW:
case OPC_ADDQ_S_PW:
case OPC_ADDQ_QH:
case OPC_ADDQ_S_QH:
case OPC_ADDU_OB:
case OPC_ADDU_S_OB:
case OPC_ADDU_QH:
case OPC_ADDU_S_QH:
case OPC_ADDUH_OB:
case OPC_ADDUH_R_OB:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_MULEQ_S_PW_QHL:
case OPC_MULEQ_S_PW_QHR:
case OPC_MULEU_S_QH_OBL:
case OPC_MULEU_S_QH_OBR:
case OPC_MULQ_RS_QH:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK ADDU.OB");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_CMPU_EQ_OB_DSP:
op2 = MASK_CMPU_EQ_OB(ctx->opcode);
switch (op2) {
case OPC_PRECR_SRA_QH_PW:
case OPC_PRECR_SRA_R_QH_PW:
/* Return value is rt. */
gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd);
break;
case OPC_PRECR_OB_QH:
case OPC_PRECRQ_OB_QH:
case OPC_PRECRQ_PW_L:
case OPC_PRECRQ_QH_PW:
case OPC_PRECRQ_RS_QH_PW:
case OPC_PRECRQU_S_OB_QH:
gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
break;
case OPC_CMPU_EQ_OB:
case OPC_CMPU_LT_OB:
case OPC_CMPU_LE_OB:
case OPC_CMP_EQ_QH:
case OPC_CMP_LT_QH:
case OPC_CMP_LE_QH:
case OPC_CMP_EQ_PW:
case OPC_CMP_LT_PW:
case OPC_CMP_LE_PW:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
break;
case OPC_CMPGDU_EQ_OB:
case OPC_CMPGDU_LT_OB:
case OPC_CMPGDU_LE_OB:
case OPC_CMPGU_EQ_OB:
case OPC_CMPGU_LT_OB:
case OPC_CMPGU_LE_OB:
case OPC_PACKRL_PW:
case OPC_PICK_OB:
case OPC_PICK_PW:
case OPC_PICK_QH:
gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
break;
default: /* Invalid */
MIPS_INVAL("MASK CMPU_EQ.OB");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_DAPPEND_DSP:
gen_mipsdsp_append(env, ctx, op1, rt, rs, rd);
break;
case OPC_DEXTR_W_DSP:
op2 = MASK_DEXTR_W(ctx->opcode);
switch (op2) {
case OPC_DEXTP:
case OPC_DEXTPDP:
case OPC_DEXTPDPV:
case OPC_DEXTPV:
case OPC_DEXTR_L:
case OPC_DEXTR_R_L:
case OPC_DEXTR_RS_L:
case OPC_DEXTR_W:
case OPC_DEXTR_R_W:
case OPC_DEXTR_RS_W:
case OPC_DEXTR_S_H:
case OPC_DEXTRV_L:
case OPC_DEXTRV_R_L:
case OPC_DEXTRV_RS_L:
case OPC_DEXTRV_S_H:
case OPC_DEXTRV_W:
case OPC_DEXTRV_R_W:
case OPC_DEXTRV_RS_W:
gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1);
break;
case OPC_DMTHLIP:
case OPC_DSHILO:
case OPC_DSHILOV:
gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK EXTR.W");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_DPAQ_W_QH_DSP:
op2 = MASK_DPAQ_W_QH(ctx->opcode);
switch (op2) {
case OPC_DPAU_H_OBL:
case OPC_DPAU_H_OBR:
case OPC_DPSU_H_OBL:
case OPC_DPSU_H_OBR:
case OPC_DPA_W_QH:
case OPC_DPAQ_S_W_QH:
case OPC_DPS_W_QH:
case OPC_DPSQ_S_W_QH:
case OPC_MULSAQ_S_W_QH:
case OPC_DPAQ_SA_L_PW:
case OPC_DPSQ_SA_L_PW:
case OPC_MULSAQ_S_L_PW:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
break;
case OPC_MAQ_S_W_QHLL:
case OPC_MAQ_S_W_QHLR:
case OPC_MAQ_S_W_QHRL:
case OPC_MAQ_S_W_QHRR:
case OPC_MAQ_SA_W_QHLL:
case OPC_MAQ_SA_W_QHLR:
case OPC_MAQ_SA_W_QHRL:
case OPC_MAQ_SA_W_QHRR:
case OPC_MAQ_S_L_PWL:
case OPC_MAQ_S_L_PWR:
case OPC_DMADD:
case OPC_DMADDU:
case OPC_DMSUB:
case OPC_DMSUBU:
gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0);
break;
default: /* Invalid */
MIPS_INVAL("MASK DPAQ.W.QH");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_DINSV_DSP:
op2 = MASK_INSV(ctx->opcode);
switch (op2) {
case OPC_DINSV:
{
TCGv t0, t1;
check_dsp(ctx);
if (rt == 0) {
break;
}
t0 = tcg_temp_new();
t1 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_load_gpr(t1, rs);
gen_helper_dinsv(cpu_gpr[rt], tcg_env, t1, t0);
break;
}
default: /* Invalid */
MIPS_INVAL("MASK DINSV");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_SHLL_OB_DSP:
gen_mipsdsp_shift(ctx, op1, rd, rs, rt);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special3_legacy");
gen_reserved_instruction(ctx);
break;
}
}
#if defined(TARGET_MIPS64)
static void decode_mmi(CPUMIPSState *env, DisasContext *ctx)
{
uint32_t opc = MASK_MMI(ctx->opcode);
int rs = extract32(ctx->opcode, 21, 5);
int rt = extract32(ctx->opcode, 16, 5);
int rd = extract32(ctx->opcode, 11, 5);
switch (opc) {
case MMI_OPC_MULT1:
case MMI_OPC_MULTU1:
case MMI_OPC_MADD:
case MMI_OPC_MADDU:
case MMI_OPC_MADD1:
case MMI_OPC_MADDU1:
gen_mul_txx9(ctx, opc, rd, rs, rt);
break;
case MMI_OPC_DIV1:
case MMI_OPC_DIVU1:
gen_div1_tx79(ctx, opc, rs, rt);
break;
default:
MIPS_INVAL("TX79 MMI class");
gen_reserved_instruction(ctx);
break;
}
}
static void gen_mmi_sq(DisasContext *ctx, int base, int rt, int offset)
{
gen_reserved_instruction(ctx); /* TODO: MMI_OPC_SQ */
}
/*
* The TX79-specific instruction Store Quadword
*
* +--------+-------+-------+------------------------+
* | 011111 | base | rt | offset | SQ
* +--------+-------+-------+------------------------+
* 6 5 5 16
*
* has the same opcode as the Read Hardware Register instruction
*
* +--------+-------+-------+-------+-------+--------+
* | 011111 | 00000 | rt | rd | 00000 | 111011 | RDHWR
* +--------+-------+-------+-------+-------+--------+
* 6 5 5 5 5 6
*
* that is required, trapped and emulated by the Linux kernel. However, all
* RDHWR encodings yield address error exceptions on the TX79 since the SQ
* offset is odd. Therefore all valid SQ instructions can execute normally.
* In user mode, QEMU must verify the upper and lower 11 bits to distinguish
* between SQ and RDHWR, as the Linux kernel does.
*/
static void decode_mmi_sq(CPUMIPSState *env, DisasContext *ctx)
{
int base = extract32(ctx->opcode, 21, 5);
int rt = extract32(ctx->opcode, 16, 5);
int offset = extract32(ctx->opcode, 0, 16);
#ifdef CONFIG_USER_ONLY
uint32_t op1 = MASK_SPECIAL3(ctx->opcode);
uint32_t op2 = extract32(ctx->opcode, 6, 5);
if (base == 0 && op2 == 0 && op1 == OPC_RDHWR) {
int rd = extract32(ctx->opcode, 11, 5);
gen_rdhwr(ctx, rt, rd, 0);
return;
}
#endif
gen_mmi_sq(ctx, base, rt, offset);
}
#endif
static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx)
{
int rs, rt, rd, sa;
uint32_t op1, op2;
int16_t imm;
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
sa = (ctx->opcode >> 6) & 0x1f;
imm = sextract32(ctx->opcode, 7, 9);
op1 = MASK_SPECIAL3(ctx->opcode);
/*
* EVA loads and stores overlap Loongson 2E instructions decoded by
* decode_opc_special3_legacy(), so be careful to allow their decoding when
* EVA is absent.
*/
if (ctx->eva) {
switch (op1) {
case OPC_LWLE:
case OPC_LWRE:
case OPC_LBUE:
case OPC_LHUE:
case OPC_LBE:
case OPC_LHE:
case OPC_LLE:
case OPC_LWE:
check_cp0_enabled(ctx);
gen_ld(ctx, op1, rt, rs, imm);
return;
case OPC_SWLE:
case OPC_SWRE:
case OPC_SBE:
case OPC_SHE:
case OPC_SWE:
check_cp0_enabled(ctx);
gen_st(ctx, op1, rt, rs, imm);
return;
case OPC_SCE:
check_cp0_enabled(ctx);
gen_st_cond(ctx, rt, rs, imm, MO_TESL, true);
return;
case OPC_CACHEE:
check_eva(ctx);
check_cp0_enabled(ctx);
if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
gen_cache_operation(ctx, rt, rs, imm);
}
return;
case OPC_PREFE:
check_cp0_enabled(ctx);
/* Treat as NOP. */
return;
}
}
switch (op1) {
case OPC_EXT:
case OPC_INS:
check_insn(ctx, ISA_MIPS_R2);
gen_bitops(ctx, op1, rt, rs, sa, rd);
break;
case OPC_BSHFL:
op2 = MASK_BSHFL(ctx->opcode);
switch (op2) {
case OPC_ALIGN:
case OPC_ALIGN_1:
case OPC_ALIGN_2:
case OPC_ALIGN_3:
case OPC_BITSWAP:
check_insn(ctx, ISA_MIPS_R6);
decode_opc_special3_r6(env, ctx);
break;
default:
check_insn(ctx, ISA_MIPS_R2);
gen_bshfl(ctx, op2, rt, rd);
break;
}
break;
#if defined(TARGET_MIPS64)
case OPC_DEXTM:
case OPC_DEXTU:
case OPC_DEXT:
case OPC_DINSM:
case OPC_DINSU:
case OPC_DINS:
check_insn(ctx, ISA_MIPS_R2);
check_mips_64(ctx);
gen_bitops(ctx, op1, rt, rs, sa, rd);
break;
case OPC_DBSHFL:
op2 = MASK_DBSHFL(ctx->opcode);
switch (op2) {
case OPC_DALIGN:
case OPC_DALIGN_1:
case OPC_DALIGN_2:
case OPC_DALIGN_3:
case OPC_DALIGN_4:
case OPC_DALIGN_5:
case OPC_DALIGN_6:
case OPC_DALIGN_7:
case OPC_DBITSWAP:
check_insn(ctx, ISA_MIPS_R6);
decode_opc_special3_r6(env, ctx);
break;
default:
check_insn(ctx, ISA_MIPS_R2);
check_mips_64(ctx);
op2 = MASK_DBSHFL(ctx->opcode);
gen_bshfl(ctx, op2, rt, rd);
break;
}
break;
#endif
case OPC_RDHWR:
gen_rdhwr(ctx, rt, rd, extract32(ctx->opcode, 6, 3));
break;
case OPC_FORK:
check_mt(ctx);
{
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
gen_load_gpr(t0, rt);
gen_load_gpr(t1, rs);
gen_helper_fork(t0, t1);
}
break;
case OPC_YIELD:
check_mt(ctx);
{
TCGv t0 = tcg_temp_new();
gen_load_gpr(t0, rs);
gen_helper_yield(t0, tcg_env, t0);
gen_store_gpr(t0, rd);
}
break;
default:
if (ctx->insn_flags & ISA_MIPS_R6) {
decode_opc_special3_r6(env, ctx);
} else {
decode_opc_special3_legacy(env, ctx);
}
}
}
static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx)
{
int32_t offset;
int rs, rt, rd, sa;
uint32_t op, op1;
int16_t imm;
op = MASK_OP_MAJOR(ctx->opcode);
rs = (ctx->opcode >> 21) & 0x1f;
rt = (ctx->opcode >> 16) & 0x1f;
rd = (ctx->opcode >> 11) & 0x1f;
sa = (ctx->opcode >> 6) & 0x1f;
imm = (int16_t)ctx->opcode;
switch (op) {
case OPC_SPECIAL:
decode_opc_special(env, ctx);
break;
case OPC_SPECIAL2:
#if defined(TARGET_MIPS64)
if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) {
decode_mmi(env, ctx);
break;
}
#endif
if (TARGET_LONG_BITS == 32 && (ctx->insn_flags & ASE_MXU)) {
if (decode_ase_mxu(ctx, ctx->opcode)) {
break;
}
}
decode_opc_special2_legacy(env, ctx);
break;
case OPC_SPECIAL3:
#if defined(TARGET_MIPS64)
if (ctx->insn_flags & INSN_R5900) {
decode_mmi_sq(env, ctx); /* MMI_OPC_SQ */
} else {
decode_opc_special3(env, ctx);
}
#else
decode_opc_special3(env, ctx);
#endif
break;
case OPC_REGIMM:
op1 = MASK_REGIMM(ctx->opcode);
switch (op1) {
case OPC_BLTZL: /* REGIMM branches */
case OPC_BGEZL:
case OPC_BLTZALL:
case OPC_BGEZALL:
check_insn(ctx, ISA_MIPS2);
check_insn_opc_removed(ctx, ISA_MIPS_R6);
/* Fallthrough */
case OPC_BLTZ:
case OPC_BGEZ:
gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
break;
case OPC_BLTZAL:
case OPC_BGEZAL:
if (ctx->insn_flags & ISA_MIPS_R6) {
if (rs == 0) {
/* OPC_NAL, OPC_BAL */
gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4);
} else {
gen_reserved_instruction(ctx);
}
} else {
gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4);
}
break;
case OPC_TGEI: /* REGIMM traps */
case OPC_TGEIU:
case OPC_TLTI:
case OPC_TLTIU:
case OPC_TEQI:
case OPC_TNEI:
check_insn(ctx, ISA_MIPS2);
check_insn_opc_removed(ctx, ISA_MIPS_R6);
gen_trap(ctx, op1, rs, -1, imm, 0);
break;
case OPC_SIGRIE:
check_insn(ctx, ISA_MIPS_R6);
gen_reserved_instruction(ctx);
break;
case OPC_SYNCI:
check_insn(ctx, ISA_MIPS_R2);
/*
* Break the TB to be able to sync copied instructions
* immediately.
*/
ctx->base.is_jmp = DISAS_STOP;
break;
case OPC_BPOSGE32: /* MIPS DSP branch */
#if defined(TARGET_MIPS64)
case OPC_BPOSGE64:
#endif
check_dsp(ctx);
gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2, 4);
break;
#if defined(TARGET_MIPS64)
case OPC_DAHI:
check_insn(ctx, ISA_MIPS_R6);
check_mips_64(ctx);
if (rs != 0) {
tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 32);
}
break;
case OPC_DATI:
check_insn(ctx, ISA_MIPS_R6);
check_mips_64(ctx);
if (rs != 0) {
tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 48);
}
break;
#endif
default: /* Invalid */
MIPS_INVAL("regimm");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_CP0:
check_cp0_enabled(ctx);
op1 = MASK_CP0(ctx->opcode);
switch (op1) {
case OPC_MFC0:
case OPC_MTC0:
case OPC_MFTR:
case OPC_MTTR:
case OPC_MFHC0:
case OPC_MTHC0:
#if defined(TARGET_MIPS64)
case OPC_DMFC0:
case OPC_DMTC0:
#endif
#ifndef CONFIG_USER_ONLY
gen_cp0(env, ctx, op1, rt, rd);
#endif /* !CONFIG_USER_ONLY */
break;
case OPC_C0:
case OPC_C0_1:
case OPC_C0_2:
case OPC_C0_3:
case OPC_C0_4:
case OPC_C0_5:
case OPC_C0_6:
case OPC_C0_7:
case OPC_C0_8:
case OPC_C0_9:
case OPC_C0_A:
case OPC_C0_B:
case OPC_C0_C:
case OPC_C0_D:
case OPC_C0_E:
case OPC_C0_F:
#ifndef CONFIG_USER_ONLY
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
#endif /* !CONFIG_USER_ONLY */
break;
case OPC_MFMC0:
#ifndef CONFIG_USER_ONLY
{
uint32_t op2;
TCGv t0 = tcg_temp_new();
op2 = MASK_MFMC0(ctx->opcode);
switch (op2) {
case OPC_DMT:
check_cp0_mt(ctx);
gen_helper_dmt(t0);
gen_store_gpr(t0, rt);
break;
case OPC_EMT:
check_cp0_mt(ctx);
gen_helper_emt(t0);
gen_store_gpr(t0, rt);
break;
case OPC_DVPE:
check_cp0_mt(ctx);
gen_helper_dvpe(t0, tcg_env);
gen_store_gpr(t0, rt);
break;
case OPC_EVPE:
check_cp0_mt(ctx);
gen_helper_evpe(t0, tcg_env);
gen_store_gpr(t0, rt);
break;
case OPC_DVP:
check_insn(ctx, ISA_MIPS_R6);
if (ctx->vp) {
gen_helper_dvp(t0, tcg_env);
gen_store_gpr(t0, rt);
}
break;
case OPC_EVP:
check_insn(ctx, ISA_MIPS_R6);
if (ctx->vp) {
gen_helper_evp(t0, tcg_env);
gen_store_gpr(t0, rt);
}
break;
case OPC_DI:
check_insn(ctx, ISA_MIPS_R2);
save_cpu_state(ctx, 1);
gen_helper_di(t0, tcg_env);
gen_store_gpr(t0, rt);
/*
* Stop translation as we may have switched
* the execution mode.
*/
ctx->base.is_jmp = DISAS_STOP;
break;
case OPC_EI:
check_insn(ctx, ISA_MIPS_R2);
save_cpu_state(ctx, 1);
gen_helper_ei(t0, tcg_env);
gen_store_gpr(t0, rt);
/*
* DISAS_STOP isn't sufficient, we need to ensure we break
* out of translated code to check for pending interrupts.
*/
gen_save_pc(ctx->base.pc_next + 4);
ctx->base.is_jmp = DISAS_EXIT;
break;
default: /* Invalid */
MIPS_INVAL("mfmc0");
gen_reserved_instruction(ctx);
break;
}
}
#endif /* !CONFIG_USER_ONLY */
break;
case OPC_RDPGPR:
check_insn(ctx, ISA_MIPS_R2);
gen_load_srsgpr(rt, rd);
break;
case OPC_WRPGPR:
check_insn(ctx, ISA_MIPS_R2);
gen_store_srsgpr(rt, rd);
break;
default:
MIPS_INVAL("cp0");
gen_reserved_instruction(ctx);
break;
}
break;
case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC, OPC_ADDI */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_BOVC, OPC_BEQZALC, OPC_BEQC */
gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
} else {
/* OPC_ADDI */
/* Arithmetic with immediate opcode */
gen_arith_imm(ctx, op, rt, rs, imm);
}
break;
case OPC_ADDIU:
gen_arith_imm(ctx, op, rt, rs, imm);
break;
case OPC_SLTI: /* Set on less than with immediate opcode */
case OPC_SLTIU:
gen_slt_imm(ctx, op, rt, rs, imm);
break;
case OPC_ANDI: /* Arithmetic with immediate opcode */
case OPC_LUI: /* OPC_AUI */
case OPC_ORI:
case OPC_XORI:
gen_logic_imm(ctx, op, rt, rs, imm);
break;
case OPC_J: /* Jump */
case OPC_JAL:
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
break;
/* Branch */
case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */
if (ctx->insn_flags & ISA_MIPS_R6) {
if (rt == 0) {
gen_reserved_instruction(ctx);
break;
}
/* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */
gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
} else {
/* OPC_BLEZL */
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
}
break;
case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */
if (ctx->insn_flags & ISA_MIPS_R6) {
if (rt == 0) {
gen_reserved_instruction(ctx);
break;
}
/* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */
gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
} else {
/* OPC_BGTZL */
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
}
break;
case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC, OPC_BLEZ */
if (rt == 0) {
/* OPC_BLEZ */
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
} else {
check_insn(ctx, ISA_MIPS_R6);
/* OPC_BLEZALC, OPC_BGEZALC, OPC_BGEUC */
gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
}
break;
case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC, OPC_BGTZ */
if (rt == 0) {
/* OPC_BGTZ */
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
} else {
check_insn(ctx, ISA_MIPS_R6);
/* OPC_BGTZALC, OPC_BLTZALC, OPC_BLTUC */
gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
}
break;
case OPC_BEQL:
case OPC_BNEL:
check_insn(ctx, ISA_MIPS2);
check_insn_opc_removed(ctx, ISA_MIPS_R6);
/* Fallthrough */
case OPC_BEQ:
case OPC_BNE:
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4);
break;
case OPC_LL: /* Load and stores */
check_insn(ctx, ISA_MIPS2);
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
/* Fallthrough */
case OPC_LWL:
case OPC_LWR:
case OPC_LB:
case OPC_LH:
case OPC_LW:
case OPC_LWPC:
case OPC_LBU:
case OPC_LHU:
gen_ld(ctx, op, rt, rs, imm);
break;
case OPC_SWL:
case OPC_SWR:
case OPC_SB:
case OPC_SH:
case OPC_SW:
gen_st(ctx, op, rt, rs, imm);
break;
case OPC_SC:
check_insn(ctx, ISA_MIPS2);
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
gen_st_cond(ctx, rt, rs, imm, MO_TESL, false);
break;
case OPC_CACHE:
check_cp0_enabled(ctx);
check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1);
if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) {
gen_cache_operation(ctx, rt, rs, imm);
}
/* Treat as NOP. */
break;
case OPC_PREF:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900);
/* Treat as NOP. */
break;
/* Floating point (COP1). */
case OPC_LWC1:
case OPC_LDC1:
case OPC_SWC1:
case OPC_SDC1:
gen_cop1_ldst(ctx, op, rt, rs, imm);
break;
case OPC_CP1:
op1 = MASK_CP1(ctx->opcode);
switch (op1) {
case OPC_MFHC1:
case OPC_MTHC1:
check_cp1_enabled(ctx);
check_insn(ctx, ISA_MIPS_R2);
/* fall through */
case OPC_MFC1:
case OPC_CFC1:
case OPC_MTC1:
case OPC_CTC1:
check_cp1_enabled(ctx);
gen_cp1(ctx, op1, rt, rd);
break;
#if defined(TARGET_MIPS64)
case OPC_DMFC1:
case OPC_DMTC1:
check_cp1_enabled(ctx);
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_cp1(ctx, op1, rt, rd);
break;
#endif
case OPC_BC1EQZ: /* OPC_BC1ANY2 */
check_cp1_enabled(ctx);
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_BC1EQZ */
gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
rt, imm << 2, 4);
} else {
/* OPC_BC1ANY2 */
check_cop1x(ctx);
check_insn(ctx, ASE_MIPS3D);
gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
(rt >> 2) & 0x7, imm << 2);
}
break;
case OPC_BC1NEZ:
check_cp1_enabled(ctx);
check_insn(ctx, ISA_MIPS_R6);
gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode),
rt, imm << 2, 4);
break;
case OPC_BC1ANY4:
check_cp1_enabled(ctx);
check_insn_opc_removed(ctx, ISA_MIPS_R6);
check_cop1x(ctx);
check_insn(ctx, ASE_MIPS3D);
/* fall through */
case OPC_BC1:
check_cp1_enabled(ctx);
check_insn_opc_removed(ctx, ISA_MIPS_R6);
gen_compute_branch1(ctx, MASK_BC1(ctx->opcode),
(rt >> 2) & 0x7, imm << 2);
break;
case OPC_PS_FMT:
check_ps(ctx);
/* fall through */
case OPC_S_FMT:
case OPC_D_FMT:
check_cp1_enabled(ctx);
gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
(imm >> 8) & 0x7);
break;
case OPC_W_FMT:
case OPC_L_FMT:
{
int r6_op = ctx->opcode & FOP(0x3f, 0x1f);
check_cp1_enabled(ctx);
if (ctx->insn_flags & ISA_MIPS_R6) {
switch (r6_op) {
case R6_OPC_CMP_AF_S:
case R6_OPC_CMP_UN_S:
case R6_OPC_CMP_EQ_S:
case R6_OPC_CMP_UEQ_S:
case R6_OPC_CMP_LT_S:
case R6_OPC_CMP_ULT_S:
case R6_OPC_CMP_LE_S:
case R6_OPC_CMP_ULE_S:
case R6_OPC_CMP_SAF_S:
case R6_OPC_CMP_SUN_S:
case R6_OPC_CMP_SEQ_S:
case R6_OPC_CMP_SEUQ_S:
case R6_OPC_CMP_SLT_S:
case R6_OPC_CMP_SULT_S:
case R6_OPC_CMP_SLE_S:
case R6_OPC_CMP_SULE_S:
case R6_OPC_CMP_OR_S:
case R6_OPC_CMP_UNE_S:
case R6_OPC_CMP_NE_S:
case R6_OPC_CMP_SOR_S:
case R6_OPC_CMP_SUNE_S:
case R6_OPC_CMP_SNE_S:
gen_r6_cmp_s(ctx, ctx->opcode & 0x1f, rt, rd, sa);
break;
case R6_OPC_CMP_AF_D:
case R6_OPC_CMP_UN_D:
case R6_OPC_CMP_EQ_D:
case R6_OPC_CMP_UEQ_D:
case R6_OPC_CMP_LT_D:
case R6_OPC_CMP_ULT_D:
case R6_OPC_CMP_LE_D:
case R6_OPC_CMP_ULE_D:
case R6_OPC_CMP_SAF_D:
case R6_OPC_CMP_SUN_D:
case R6_OPC_CMP_SEQ_D:
case R6_OPC_CMP_SEUQ_D:
case R6_OPC_CMP_SLT_D:
case R6_OPC_CMP_SULT_D:
case R6_OPC_CMP_SLE_D:
case R6_OPC_CMP_SULE_D:
case R6_OPC_CMP_OR_D:
case R6_OPC_CMP_UNE_D:
case R6_OPC_CMP_NE_D:
case R6_OPC_CMP_SOR_D:
case R6_OPC_CMP_SUNE_D:
case R6_OPC_CMP_SNE_D:
gen_r6_cmp_d(ctx, ctx->opcode & 0x1f, rt, rd, sa);
break;
default:
gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f),
rt, rd, sa, (imm >> 8) & 0x7);
break;
}
} else {
gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
(imm >> 8) & 0x7);
}
break;
}
default:
MIPS_INVAL("cp1");
gen_reserved_instruction(ctx);
break;
}
break;
/* Compact branches [R6] and COP2 [non-R6] */
case OPC_BC: /* OPC_LWC2 */
case OPC_BALC: /* OPC_SWC2 */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_BC, OPC_BALC */
gen_compute_compact_branch(ctx, op, 0, 0,
sextract32(ctx->opcode << 2, 0, 28));
} else if (ctx->insn_flags & ASE_LEXT) {
gen_loongson_lswc2(ctx, rt, rs, rd);
} else {
/* OPC_LWC2, OPC_SWC2 */
/* COP2: Not implemented. */
generate_exception_err(ctx, EXCP_CpU, 2);
}
break;
case OPC_BEQZC: /* OPC_JIC, OPC_LDC2 */
case OPC_BNEZC: /* OPC_JIALC, OPC_SDC2 */
if (ctx->insn_flags & ISA_MIPS_R6) {
if (rs != 0) {
/* OPC_BEQZC, OPC_BNEZC */
gen_compute_compact_branch(ctx, op, rs, 0,
sextract32(ctx->opcode << 2, 0, 23));
} else {
/* OPC_JIC, OPC_JIALC */
gen_compute_compact_branch(ctx, op, 0, rt, imm);
}
} else if (ctx->insn_flags & ASE_LEXT) {
gen_loongson_lsdc2(ctx, rt, rs, rd);
} else {
/* OPC_LWC2, OPC_SWC2 */
/* COP2: Not implemented. */
generate_exception_err(ctx, EXCP_CpU, 2);
}
break;
case OPC_CP2:
check_insn(ctx, ASE_LMMI);
/* Note that these instructions use different fields. */
gen_loongson_multimedia(ctx, sa, rd, rt);
break;
case OPC_CP3:
if (ctx->CP0_Config1 & (1 << CP0C1_FP)) {
check_cp1_enabled(ctx);
op1 = MASK_CP3(ctx->opcode);
switch (op1) {
case OPC_LUXC1:
case OPC_SUXC1:
check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2);
/* Fallthrough */
case OPC_LWXC1:
case OPC_LDXC1:
case OPC_SWXC1:
case OPC_SDXC1:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
break;
case OPC_PREFX:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
/* Treat as NOP. */
break;
case OPC_ALNV_PS:
check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2);
/* Fallthrough */
case OPC_MADD_S:
case OPC_MADD_D:
case OPC_MADD_PS:
case OPC_MSUB_S:
case OPC_MSUB_D:
case OPC_MSUB_PS:
case OPC_NMADD_S:
case OPC_NMADD_D:
case OPC_NMADD_PS:
case OPC_NMSUB_S:
case OPC_NMSUB_D:
case OPC_NMSUB_PS:
check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2);
gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
break;
default:
MIPS_INVAL("cp3");
gen_reserved_instruction(ctx);
break;
}
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
#if defined(TARGET_MIPS64)
/* MIPS64 opcodes */
case OPC_LLD:
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
/* fall through */
case OPC_LDL:
case OPC_LDR:
case OPC_LWU:
case OPC_LD:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_ld(ctx, op, rt, rs, imm);
break;
case OPC_SDL:
case OPC_SDR:
case OPC_SD:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_st(ctx, op, rt, rs, imm);
break;
case OPC_SCD:
check_insn(ctx, ISA_MIPS3);
if (ctx->insn_flags & INSN_R5900) {
check_insn_opc_user_only(ctx, INSN_R5900);
}
check_mips_64(ctx);
gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false);
break;
case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC, OPC_DADDI */
if (ctx->insn_flags & ISA_MIPS_R6) {
/* OPC_BNVC, OPC_BNEZALC, OPC_BNEC */
gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
} else {
/* OPC_DADDI */
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith_imm(ctx, op, rt, rs, imm);
}
break;
case OPC_DADDIU:
check_insn(ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith_imm(ctx, op, rt, rs, imm);
break;
#else
case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */
if (ctx->insn_flags & ISA_MIPS_R6) {
gen_compute_compact_branch(ctx, op, rs, rt, imm << 2);
} else {
MIPS_INVAL("major opcode");
gen_reserved_instruction(ctx);
}
break;
#endif
case OPC_DAUI: /* OPC_JALX */
if (ctx->insn_flags & ISA_MIPS_R6) {
#if defined(TARGET_MIPS64)
/* OPC_DAUI */
check_mips_64(ctx);
if (rs == 0) {
generate_exception(ctx, EXCP_RI);
} else if (rt != 0) {
TCGv t0 = tcg_temp_new();
gen_load_gpr(t0, rs);
tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16);
}
#else
gen_reserved_instruction(ctx);
MIPS_INVAL("major opcode");
#endif
} else {
/* OPC_JALX */
check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS);
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
gen_compute_branch(ctx, op, 4, rs, rt, offset, 4);
}
break;
case OPC_MDMX:
/* MDMX: Not implemented. */
break;
case OPC_PCREL:
check_insn(ctx, ISA_MIPS_R6);
gen_pcrel(ctx, ctx->opcode, ctx->base.pc_next, rs);
break;
default: /* Invalid */
MIPS_INVAL("major opcode");
return false;
}
return true;
}
static void decode_opc(CPUMIPSState *env, DisasContext *ctx)
{
/* make sure instructions are on a word boundary */
if (ctx->base.pc_next & 0x3) {
env->CP0_BadVAddr = ctx->base.pc_next;
generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL);
return;
}
/* Handle blikely not taken case */
if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
TCGLabel *l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
gen_goto_tb(ctx, 1, ctx->base.pc_next + 4);
gen_set_label(l1);
}
/* Transition to the auto-generated decoder. */
/* Vendor specific extensions */
if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) {
return;
}
if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) {
return;
}
#if defined(TARGET_MIPS64)
if (ase_lcsr_available(env) && decode_ase_lcsr(ctx, ctx->opcode)) {
return;
}
if (cpu_supports_isa(env, INSN_OCTEON) && decode_ext_octeon(ctx, ctx->opcode)) {
return;
}
#endif
/* ISA extensions */
if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) {
return;
}
/* ISA (from latest to oldest) */
if (cpu_supports_isa(env, ISA_MIPS_R6) && decode_isa_rel6(ctx, ctx->opcode)) {
return;
}
if (decode_opc_legacy(env, ctx)) {
return;
}
gen_reserved_instruction(ctx);
}
static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
CPUMIPSState *env = cpu_env(cs);
ctx->page_start = ctx->base.pc_first & TARGET_PAGE_MASK;
ctx->saved_pc = -1;
ctx->insn_flags = env->insn_flags;
ctx->CP0_Config0 = env->CP0_Config0;
ctx->CP0_Config1 = env->CP0_Config1;
ctx->CP0_Config2 = env->CP0_Config2;
ctx->CP0_Config3 = env->CP0_Config3;
ctx->CP0_Config5 = env->CP0_Config5;
ctx->btarget = 0;
ctx->kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff;
ctx->rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1;
ctx->ie = (env->CP0_Config4 >> CP0C4_IE) & 3;
ctx->bi = (env->CP0_Config3 >> CP0C3_BI) & 1;
ctx->bp = (env->CP0_Config3 >> CP0C3_BP) & 1;
ctx->PAMask = env->PAMask;
ctx->mvh = (env->CP0_Config5 >> CP0C5_MVH) & 1;
ctx->eva = (env->CP0_Config5 >> CP0C5_EVA) & 1;
ctx->sc = (env->CP0_Config3 >> CP0C3_SC) & 1;
ctx->CP0_LLAddr_shift = env->CP0_LLAddr_shift;
ctx->cmgcr = (env->CP0_Config3 >> CP0C3_CMGCR) & 1;
/* Restore delay slot state from the tb context. */
ctx->hflags = (uint32_t)ctx->base.tb->flags; /* FIXME: maybe use 64 bits? */
ctx->ulri = (env->CP0_Config3 >> CP0C3_ULRI) & 1;
ctx->ps = ((env->active_fpu.fcr0 >> FCR0_PS) & 1) ||
(env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F));
ctx->vp = (env->CP0_Config5 >> CP0C5_VP) & 1;
ctx->mrp = (env->CP0_Config5 >> CP0C5_MRP) & 1;
ctx->nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1;
ctx->abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1;
ctx->mi = (env->CP0_Config5 >> CP0C5_MI) & 1;
ctx->gi = (env->CP0_Config5 >> CP0C5_GI) & 3;
restore_cpu_state(env, ctx);
#ifdef CONFIG_USER_ONLY
ctx->mem_idx = MIPS_HFLAG_UM;
#else
ctx->mem_idx = hflags_mmu_index(ctx->hflags);
#endif
ctx->default_tcg_memop_mask = (!(ctx->insn_flags & ISA_NANOMIPS32) &&
(ctx->insn_flags & (ISA_MIPS_R6 |
INSN_LOONGSON3A))) ? MO_UNALN : MO_ALIGN;
/*
* Execute a branch and its delay slot as a single instruction.
* This is what GDB expects and is consistent with what the
* hardware does (e.g. if a delay slot instruction faults, the
* reported PC is the PC of the branch).
*/
if (ctx->base.singlestep_enabled && (ctx->hflags & MIPS_HFLAG_BMASK)) {
ctx->base.max_insns = 2;
}
LOG_DISAS("\ntb %p idx %d hflags %04x\n", ctx->base.tb, ctx->mem_idx,
ctx->hflags);
}
static void mips_tr_tb_start(DisasContextBase *dcbase, CPUState *cs)
{
}
static void mips_tr_insn_start(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
tcg_gen_insn_start(ctx->base.pc_next, ctx->hflags & MIPS_HFLAG_BMASK,
ctx->btarget);
}
static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
{
CPUMIPSState *env = cpu_env(cs);
DisasContext *ctx = container_of(dcbase, DisasContext, base);
int insn_bytes;
int is_slot;
is_slot = ctx->hflags & MIPS_HFLAG_BMASK;
if (ctx->insn_flags & ISA_NANOMIPS32) {
ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
insn_bytes = decode_isa_nanomips(env, ctx);
} else if (!(ctx->hflags & MIPS_HFLAG_M16)) {
ctx->opcode = translator_ldl(env, &ctx->base, ctx->base.pc_next);
insn_bytes = 4;
decode_opc(env, ctx);
} else if (ctx->insn_flags & ASE_MICROMIPS) {
ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
insn_bytes = decode_isa_micromips(env, ctx);
} else if (ctx->insn_flags & ASE_MIPS16) {
ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next);
insn_bytes = decode_ase_mips16e(env, ctx);
} else {
gen_reserved_instruction(ctx);
g_assert(ctx->base.is_jmp == DISAS_NORETURN);
return;
}
if (ctx->hflags & MIPS_HFLAG_BMASK) {
if (!(ctx->hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 |
MIPS_HFLAG_FBNSLOT))) {
/*
* Force to generate branch as there is neither delay nor
* forbidden slot.
*/
is_slot = 1;
}
if ((ctx->hflags & MIPS_HFLAG_M16) &&
(ctx->hflags & MIPS_HFLAG_FBNSLOT)) {
/*
* Force to generate branch as microMIPS R6 doesn't restrict
* branches in the forbidden slot.
*/
is_slot = 1;
}
}
if (is_slot) {
gen_branch(ctx, insn_bytes);
}
if (ctx->base.is_jmp == DISAS_SEMIHOST) {
generate_exception_err(ctx, EXCP_SEMIHOST, insn_bytes);
}
ctx->base.pc_next += insn_bytes;
if (ctx->base.is_jmp != DISAS_NEXT) {
return;
}
/*
* End the TB on (most) page crossings.
* See mips_tr_init_disas_context about single-stepping a branch
* together with its delay slot.
*/
if (ctx->base.pc_next - ctx->page_start >= TARGET_PAGE_SIZE
&& !ctx->base.singlestep_enabled) {
ctx->base.is_jmp = DISAS_TOO_MANY;
}
}
static void mips_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs)
{
DisasContext *ctx = container_of(dcbase, DisasContext, base);
switch (ctx->base.is_jmp) {
case DISAS_STOP:
gen_save_pc(ctx->base.pc_next);
tcg_gen_lookup_and_goto_ptr();
break;
case DISAS_NEXT:
case DISAS_TOO_MANY:
save_cpu_state(ctx, 0);
gen_goto_tb(ctx, 0, ctx->base.pc_next);
break;
case DISAS_EXIT:
tcg_gen_exit_tb(NULL, 0);
break;
case DISAS_NORETURN:
break;
default:
g_assert_not_reached();
}
}
static void mips_tr_disas_log(const DisasContextBase *dcbase,
CPUState *cs, FILE *logfile)
{
fprintf(logfile, "IN: %s\n", lookup_symbol(dcbase->pc_first));
target_disas(logfile, cs, dcbase->pc_first, dcbase->tb->size);
}
static const TranslatorOps mips_tr_ops = {
.init_disas_context = mips_tr_init_disas_context,
.tb_start = mips_tr_tb_start,
.insn_start = mips_tr_insn_start,
.translate_insn = mips_tr_translate_insn,
.tb_stop = mips_tr_tb_stop,
.disas_log = mips_tr_disas_log,
};
void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int *max_insns,
vaddr pc, void *host_pc)
{
DisasContext ctx;
translator_loop(cs, tb, max_insns, pc, host_pc, &mips_tr_ops, &ctx.base);
}
void mips_tcg_init(void)
{
cpu_gpr[0] = NULL;
for (unsigned i = 1; i < 32; i++)
cpu_gpr[i] = tcg_global_mem_new(tcg_env,
offsetof(CPUMIPSState,
active_tc.gpr[i]),
regnames[i]);
#if defined(TARGET_MIPS64)
cpu_gpr_hi[0] = NULL;
for (unsigned i = 1; i < 32; i++) {
g_autofree char *rname = g_strdup_printf("%s[hi]", regnames[i]);
cpu_gpr_hi[i] = tcg_global_mem_new_i64(tcg_env,
offsetof(CPUMIPSState,
active_tc.gpr_hi[i]),
rname);
}
#endif /* !TARGET_MIPS64 */
for (unsigned i = 0; i < 32; i++) {
int off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]);
fpu_f64[i] = tcg_global_mem_new_i64(tcg_env, off, fregnames[i]);
}
msa_translate_init();
cpu_PC = tcg_global_mem_new(tcg_env,
offsetof(CPUMIPSState, active_tc.PC), "PC");
for (unsigned i = 0; i < MIPS_DSP_ACC; i++) {
cpu_HI[i] = tcg_global_mem_new(tcg_env,
offsetof(CPUMIPSState, active_tc.HI[i]),
regnames_HI[i]);
cpu_LO[i] = tcg_global_mem_new(tcg_env,
offsetof(CPUMIPSState, active_tc.LO[i]),
regnames_LO[i]);
}
cpu_dspctrl = tcg_global_mem_new(tcg_env,
offsetof(CPUMIPSState,
active_tc.DSPControl),
"DSPControl");
bcond = tcg_global_mem_new(tcg_env,
offsetof(CPUMIPSState, bcond), "bcond");
btarget = tcg_global_mem_new(tcg_env,
offsetof(CPUMIPSState, btarget), "btarget");
hflags = tcg_global_mem_new_i32(tcg_env,
offsetof(CPUMIPSState, hflags), "hflags");
fpu_fcr0 = tcg_global_mem_new_i32(tcg_env,
offsetof(CPUMIPSState, active_fpu.fcr0),
"fcr0");
fpu_fcr31 = tcg_global_mem_new_i32(tcg_env,
offsetof(CPUMIPSState, active_fpu.fcr31),
"fcr31");
cpu_lladdr = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, lladdr),
"lladdr");
cpu_llval = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, llval),
"llval");
if (TARGET_LONG_BITS == 32) {
mxu_translate_init();
}
}
void mips_restore_state_to_opc(CPUState *cs,
const TranslationBlock *tb,
const uint64_t *data)
{
MIPSCPU *cpu = MIPS_CPU(cs);
CPUMIPSState *env = &cpu->env;
env->active_tc.PC = data[0];
env->hflags &= ~MIPS_HFLAG_BMASK;
env->hflags |= data[1];
switch (env->hflags & MIPS_HFLAG_BMASK_BASE) {
case MIPS_HFLAG_BR:
break;
case MIPS_HFLAG_BC:
case MIPS_HFLAG_BL:
case MIPS_HFLAG_B:
env->btarget = data[2];
break;
}
}