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qemu / qemu / cb63669a54fdd926da7d07768f21f515acd4ad2a / . / target-mips / translate.c
blob: 0773f4067c15fe9fe658d6a2addeae57324b75f2 [file] [log] [blame]
/*
* MIPS32 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)
*
* 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 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "cpu.h"
#include "exec-all.h"
#include "disas.h"
#include "helper.h"
#include "tcg-op.h"
#include "qemu-common.h"
//#define MIPS_DEBUG_DISAS
//#define MIPS_DEBUG_SIGN_EXTENSIONS
//#define MIPS_SINGLE_STEP
/* MIPS major opcodes */
#define MASK_OP_MAJOR(op) (op & (0x3F << 26))
enum {
/* indirect opcode tables */
OPC_SPECIAL = (0x00 << 26),
OPC_REGIMM = (0x01 << 26),
OPC_CP0 = (0x10 << 26),
OPC_CP1 = (0x11 << 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),
OPC_ANDI = (0x0C << 26),
OPC_ORI = (0x0D << 26),
OPC_XORI = (0x0E << 26),
OPC_LUI = (0x0F << 26),
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), /* MIPS 16 only */
/* 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_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_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),
/* MDMX ASE specific */
OPC_MDMX = (0x1E << 26),
/* Cache and prefetch */
OPC_CACHE = (0x2F << 26),
OPC_PREF = (0x33 << 26),
/* Reserved major opcode */
OPC_MAJOR3B_RESERVED = (0x3B << 26),
};
/* 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_SRA = 0x03 | OPC_SPECIAL,
OPC_SLLV = 0x04 | OPC_SPECIAL,
OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
OPC_SRAV = 0x07 | OPC_SPECIAL,
OPC_DSLLV = 0x14 | OPC_SPECIAL,
OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
OPC_DSRAV = 0x17 | OPC_SPECIAL,
OPC_DSLL = 0x38 | OPC_SPECIAL,
OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
OPC_DSRA = 0x3B | OPC_SPECIAL,
OPC_DSLL32 = 0x3C | OPC_SPECIAL,
OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
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_MOVCI = 0x01 | OPC_SPECIAL,
/* Special */
OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */
OPC_SYSCALL = 0x0C | OPC_SPECIAL,
OPC_BREAK = 0x0D | OPC_SPECIAL,
OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */
OPC_SYNC = 0x0F | OPC_SPECIAL,
OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
};
/* Multiplication variants of the vr54xx. */
#define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6))
enum {
OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT,
OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU,
OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT,
OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU,
OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT,
OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU,
OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT,
OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU,
OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT,
OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU,
OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT,
OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU,
OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT,
OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU,
};
/* 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_SYNCI = (0x1F << 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,
/* 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,
};
/* 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,
};
/* 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,
};
/* 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_MTC0 = (0x04 << 21) | OPC_CP0,
OPC_DMTC0 = (0x05 << 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_FIRST = (0x10 << 21) | OPC_CP0,
OPC_C0_LAST = (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,
};
/* 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_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,
};
/* Coprocessor 1 (rs field) */
#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
enum {
OPC_MFC1 = (0x00 << 21) | OPC_CP1,
OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
OPC_CFC1 = (0x02 << 21) | OPC_CP1,
OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
OPC_MTC1 = (0x04 << 21) | OPC_CP1,
OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
OPC_CTC1 = (0x06 << 21) | OPC_CP1,
OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */
OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */
OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */
OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */
OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */
OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */
OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */
};
#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16))
enum {
OPC_BC1F = (0x00 << 16) | OPC_BC1,
OPC_BC1T = (0x01 << 16) | OPC_BC1,
OPC_BC1FL = (0x02 << 16) | OPC_BC1,
OPC_BC1TL = (0x03 << 16) | OPC_BC1,
};
enum {
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
};
enum {
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
};
#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,
};
#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,
};
/* global register indices */
static TCGv cpu_env, current_tc_gprs, cpu_T[2];
/* The code generator doesn't like lots of temporaries, so maintain our own
cache for reuse within a function. */
#define MAX_TEMPS 4
static int num_temps;
static TCGv temps[MAX_TEMPS];
/* Allocate a temporary variable. */
static TCGv new_tmp(void)
{
TCGv tmp;
if (num_temps == MAX_TEMPS)
abort();
if (GET_TCGV(temps[num_temps]))
return temps[num_temps++];
tmp = tcg_temp_new(TCG_TYPE_I32);
temps[num_temps++] = tmp;
return tmp;
}
/* Release a temporary variable. */
static void dead_tmp(TCGv tmp)
{
int i;
num_temps--;
i = num_temps;
if (GET_TCGV(temps[i]) == GET_TCGV(tmp))
return;
/* Shuffle this temp to the last slot. */
while (GET_TCGV(temps[i]) != GET_TCGV(tmp))
i--;
while (i < num_temps) {
temps[i] = temps[i + 1];
i++;
}
temps[i] = tmp;
}
typedef struct DisasContext {
struct TranslationBlock *tb;
target_ulong pc, saved_pc;
uint32_t opcode;
uint32_t fp_status;
/* Routine used to access memory */
int mem_idx;
uint32_t hflags, saved_hflags;
int bstate;
target_ulong btarget;
} DisasContext;
enum {
BS_NONE = 0, /* We go out of the TB without reaching a branch or an
* exception condition
*/
BS_STOP = 1, /* We want to stop translation for any reason */
BS_BRANCH = 2, /* We reached a branch condition */
BS_EXCP = 3, /* We reached an exception condition */
};
static const char *regnames[] =
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
static const char *fregnames[] =
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
#ifdef MIPS_DEBUG_DISAS
#define MIPS_DEBUG(fmt, args...) \
do { \
if (loglevel & CPU_LOG_TB_IN_ASM) { \
fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \
ctx->pc, ctx->opcode , ##args); \
} \
} while (0)
#else
#define MIPS_DEBUG(fmt, args...) do { } while(0)
#endif
#define MIPS_INVAL(op) \
do { \
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
} while (0)
/* General purpose registers moves. */
static inline void gen_load_gpr (TCGv t, int reg)
{
if (reg == 0)
tcg_gen_movi_tl(t, 0);
else
tcg_gen_ld_tl(t, current_tc_gprs, sizeof(target_ulong) * reg);
}
static inline void gen_store_gpr (TCGv t, int reg)
{
if (reg != 0)
tcg_gen_st_tl(t, current_tc_gprs, sizeof(target_ulong) * reg);
}
/* Moves to/from shadow registers. */
static inline void gen_load_srsgpr (TCGv t, int reg)
{
if (reg == 0)
tcg_gen_movi_tl(t, 0);
else {
TCGv r_tmp = new_tmp();
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl));
tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS);
tcg_gen_andi_i32(r_tmp, r_tmp, 0xf);
tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32);
tcg_gen_add_i32(r_tmp, cpu_env, r_tmp);
tcg_gen_ld_tl(t, r_tmp, sizeof(target_ulong) * reg);
dead_tmp(r_tmp);
}
}
static inline void gen_store_srsgpr (TCGv t, int reg)
{
if (reg != 0) {
TCGv r_tmp = new_tmp();
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl));
tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS);
tcg_gen_andi_i32(r_tmp, r_tmp, 0xf);
tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32);
tcg_gen_add_i32(r_tmp, cpu_env, r_tmp);
tcg_gen_st_tl(t, r_tmp, sizeof(target_ulong) * reg);
dead_tmp(r_tmp);
}
}
/* Floating point register moves. */
#define FGEN32(func, NAME) \
static GenOpFunc *NAME ## _table [32] = { \
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \
}; \
static always_inline void func(int n) \
{ \
NAME ## _table[n](); \
}
FGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr);
FGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr);
FGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr);
FGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr);
FGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr);
FGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr);
FGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr);
FGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr);
FGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr);
FGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr);
FGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr);
FGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr);
FGEN32(gen_op_load_fpr_WTH0, gen_op_load_fpr_WTH0_fpr);
FGEN32(gen_op_store_fpr_WTH0, gen_op_store_fpr_WTH0_fpr);
FGEN32(gen_op_load_fpr_WTH1, gen_op_load_fpr_WTH1_fpr);
FGEN32(gen_op_store_fpr_WTH1, gen_op_store_fpr_WTH1_fpr);
FGEN32(gen_op_load_fpr_WTH2, gen_op_load_fpr_WTH2_fpr);
FGEN32(gen_op_store_fpr_WTH2, gen_op_store_fpr_WTH2_fpr);
#define GEN_LOAD_FREG_FTN(FTn, Fn) \
do { \
glue(gen_op_load_fpr_, FTn)(Fn); \
} while (0)
#define GEN_STORE_FTN_FREG(Fn, FTn) \
do { \
glue(gen_op_store_fpr_, FTn)(Fn); \
} while (0)
#define FOP_CONDS(type, fmt) \
static GenOpFunc1 * gen_op_cmp ## type ## _ ## fmt ## _table[16] = { \
gen_op_cmp ## type ## _ ## fmt ## _f, \
gen_op_cmp ## type ## _ ## fmt ## _un, \
gen_op_cmp ## type ## _ ## fmt ## _eq, \
gen_op_cmp ## type ## _ ## fmt ## _ueq, \
gen_op_cmp ## type ## _ ## fmt ## _olt, \
gen_op_cmp ## type ## _ ## fmt ## _ult, \
gen_op_cmp ## type ## _ ## fmt ## _ole, \
gen_op_cmp ## type ## _ ## fmt ## _ule, \
gen_op_cmp ## type ## _ ## fmt ## _sf, \
gen_op_cmp ## type ## _ ## fmt ## _ngle, \
gen_op_cmp ## type ## _ ## fmt ## _seq, \
gen_op_cmp ## type ## _ ## fmt ## _ngl, \
gen_op_cmp ## type ## _ ## fmt ## _lt, \
gen_op_cmp ## type ## _ ## fmt ## _nge, \
gen_op_cmp ## type ## _ ## fmt ## _le, \
gen_op_cmp ## type ## _ ## fmt ## _ngt, \
}; \
static always_inline void gen_cmp ## type ## _ ## fmt(int n, long cc) \
{ \
gen_op_cmp ## type ## _ ## fmt ## _table[n](cc); \
}
FOP_CONDS(, d)
FOP_CONDS(abs, d)
FOP_CONDS(, s)
FOP_CONDS(abs, s)
FOP_CONDS(, ps)
FOP_CONDS(abs, ps)
/* Tests */
#define OP_COND(name, cond) \
void glue(gen_op_, name) (void) \
{ \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
\
tcg_gen_brcond_tl(cond, cpu_T[0], cpu_T[1], l1); \
tcg_gen_movi_tl(cpu_T[0], 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_tl(cpu_T[0], 1); \
gen_set_label(l2); \
}
OP_COND(eq, TCG_COND_EQ);
OP_COND(ne, TCG_COND_NE);
OP_COND(ge, TCG_COND_GE);
OP_COND(geu, TCG_COND_GEU);
OP_COND(lt, TCG_COND_LT);
OP_COND(ltu, TCG_COND_LTU);
#undef OP_COND
#define OP_CONDI(name, cond) \
void glue(gen_op_, name) (target_ulong val) \
{ \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
\
tcg_gen_brcondi_tl(cond, cpu_T[0], val, l1); \
tcg_gen_movi_tl(cpu_T[0], 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_tl(cpu_T[0], 1); \
gen_set_label(l2); \
}
OP_CONDI(lti, TCG_COND_LT);
OP_CONDI(ltiu, TCG_COND_LTU);
#undef OP_CONDI
#define OP_CONDZ(name, cond) \
void glue(gen_op_, name) (void) \
{ \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
\
tcg_gen_brcondi_tl(cond, cpu_T[0], 0, l1); \
tcg_gen_movi_tl(cpu_T[0], 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_tl(cpu_T[0], 1); \
gen_set_label(l2); \
}
OP_CONDZ(gez, TCG_COND_GE);
OP_CONDZ(gtz, TCG_COND_GT);
OP_CONDZ(lez, TCG_COND_LE);
OP_CONDZ(ltz, TCG_COND_LT);
#undef OP_CONDZ
static inline void gen_save_pc(target_ulong pc)
{
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tc_off = new_tmp();
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL);
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_movi_tl(r_tmp, pc);
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc));
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off);
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl);
tcg_gen_st_tl(r_tmp, r_ptr, offsetof(CPUState, PC));
dead_tmp(r_tc_off);
}
static inline void gen_breg_pc(void)
{
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tc_off = new_tmp();
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL);
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, btarget));
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc));
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off);
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl);
tcg_gen_st_tl(r_tmp, r_ptr, offsetof(CPUState, PC));
dead_tmp(r_tc_off);
}
static inline void gen_save_btarget(target_ulong btarget)
{
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_movi_tl(r_tmp, btarget);
tcg_gen_st_tl(r_tmp, cpu_env, offsetof(CPUState, btarget));
}
static always_inline void gen_save_breg_target(int reg)
{
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL);
gen_load_gpr(r_tmp, reg);
tcg_gen_st_tl(r_tmp, cpu_env, offsetof(CPUState, btarget));
}
static always_inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
{
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "hflags %08x saved %08x\n",
ctx->hflags, ctx->saved_hflags);
}
#endif
if (do_save_pc && ctx->pc != ctx->saved_pc) {
gen_save_pc(ctx->pc);
ctx->saved_pc = ctx->pc;
}
if (ctx->hflags != ctx->saved_hflags) {
gen_op_save_state(ctx->hflags);
ctx->saved_hflags = ctx->hflags;
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
case MIPS_HFLAG_BR:
break;
case MIPS_HFLAG_BC:
case MIPS_HFLAG_BL:
case MIPS_HFLAG_B:
gen_save_btarget(ctx->btarget);
break;
}
}
}
static always_inline void restore_cpu_state (CPUState *env, DisasContext *ctx)
{
ctx->saved_hflags = ctx->hflags;
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
case MIPS_HFLAG_BR:
break;
case MIPS_HFLAG_BC:
case MIPS_HFLAG_BL:
case MIPS_HFLAG_B:
ctx->btarget = env->btarget;
break;
}
}
static always_inline void
generate_exception_err (DisasContext *ctx, int excp, int err)
{
save_cpu_state(ctx, 1);
tcg_gen_helper_0_2(do_raise_exception_err, tcg_const_i32(excp), tcg_const_i32(err));
tcg_gen_helper_0_0(do_interrupt_restart);
tcg_gen_exit_tb(0);
}
static always_inline void
generate_exception (DisasContext *ctx, int excp)
{
save_cpu_state(ctx, 1);
tcg_gen_helper_0_1(do_raise_exception, tcg_const_i32(excp));
tcg_gen_helper_0_0(do_interrupt_restart);
tcg_gen_exit_tb(0);
}
/* Addresses computation */
static inline void gen_op_addr_add (void)
{
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
#if defined(TARGET_MIPS64)
/* For compatibility with 32-bit code, data reference in user mode
with Status_UX = 0 should be casted to 32-bit and sign extended.
See the MIPS64 PRA manual, section 4.10. */
{
TCGv r_tmp = new_tmp();
int l1 = gen_new_label();
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, hflags));
tcg_gen_andi_i32(r_tmp, r_tmp, MIPS_HFLAG_KSU);
tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp, MIPS_HFLAG_UM, l1);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Status));
tcg_gen_andi_i32(r_tmp, r_tmp, (1 << CP0St_UX));
tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp, 0, l1);
tcg_gen_ext32s_i64(cpu_T[0], cpu_T[0]);
gen_set_label(l1);
dead_tmp(r_tmp);
}
#endif
}
static always_inline void check_cp0_enabled(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
generate_exception_err(ctx, EXCP_CpU, 1);
}
static always_inline 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. */
static always_inline void check_cop1x(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
generate_exception(ctx, EXCP_RI);
}
/* Verify that the processor is running with 64-bit floating-point
operations enabled. */
static always_inline void check_cp1_64bitmode(DisasContext *ctx)
{
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
generate_exception(ctx, EXCP_RI);
}
/*
* 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)))
generate_exception(ctx, EXCP_RI);
}
/* This code generates a "reserved instruction" exception if the
CPU does not support the instruction set corresponding to flags. */
static always_inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
{
if (unlikely(!(env->insn_flags & flags)))
generate_exception(ctx, EXCP_RI);
}
/* This code generates a "reserved instruction" exception if 64-bit
instructions are not enabled. */
static always_inline void check_mips_64(DisasContext *ctx)
{
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
generate_exception(ctx, EXCP_RI);
}
/* load/store instructions. */
#if defined(CONFIG_USER_ONLY)
#define op_ldst(name) gen_op_##name##_raw()
#define OP_LD_TABLE(width)
#define OP_ST_TABLE(width)
#else
#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])()
#define OP_LD_TABLE(width) \
static GenOpFunc *gen_op_l##width[] = { \
&gen_op_l##width##_kernel, \
&gen_op_l##width##_super, \
&gen_op_l##width##_user, \
}
#define OP_ST_TABLE(width) \
static GenOpFunc *gen_op_s##width[] = { \
&gen_op_s##width##_kernel, \
&gen_op_s##width##_super, \
&gen_op_s##width##_user, \
}
#endif
#if defined(TARGET_MIPS64)
OP_LD_TABLE(dl);
OP_LD_TABLE(dr);
OP_ST_TABLE(dl);
OP_ST_TABLE(dr);
#endif
OP_LD_TABLE(wl);
OP_LD_TABLE(wr);
OP_ST_TABLE(wl);
OP_ST_TABLE(wr);
OP_LD_TABLE(wc1);
OP_ST_TABLE(wc1);
OP_LD_TABLE(dc1);
OP_ST_TABLE(dc1);
OP_LD_TABLE(uxc1);
OP_ST_TABLE(uxc1);
#define OP_LD(insn,fname) \
void inline op_ldst_##insn(DisasContext *ctx) \
{ \
tcg_gen_qemu_##fname(cpu_T[0], cpu_T[0], ctx->mem_idx); \
}
OP_LD(lb,ld8s);
OP_LD(lbu,ld8u);
OP_LD(lh,ld16s);
OP_LD(lhu,ld16u);
OP_LD(lw,ld32s);
#if defined(TARGET_MIPS64)
OP_LD(lwu,ld32u);
OP_LD(ld,ld64);
#endif
#undef OP_LD
#define OP_ST(insn,fname) \
void inline op_ldst_##insn(DisasContext *ctx) \
{ \
tcg_gen_qemu_##fname(cpu_T[1], cpu_T[0], ctx->mem_idx); \
}
OP_ST(sb,st8);
OP_ST(sh,st16);
OP_ST(sw,st32);
#if defined(TARGET_MIPS64)
OP_ST(sd,st64);
#endif
#undef OP_ST
#define OP_LD_ATOMIC(insn,fname) \
void inline op_ldst_##insn(DisasContext *ctx) \
{ \
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); \
tcg_gen_qemu_##fname(cpu_T[0], cpu_T[0], ctx->mem_idx); \
tcg_gen_st_tl(cpu_T[1], cpu_env, offsetof(CPUState, CP0_LLAddr)); \
}
OP_LD_ATOMIC(ll,ld32s);
#if defined(TARGET_MIPS64)
OP_LD_ATOMIC(lld,ld64);
#endif
#undef OP_LD_ATOMIC
#define OP_ST_ATOMIC(insn,fname,almask) \
void inline op_ldst_##insn(DisasContext *ctx) \
{ \
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
int l3 = gen_new_label(); \
\
tcg_gen_andi_tl(r_tmp, cpu_T[0], almask); \
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp, 0, l1); \
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
generate_exception(ctx, EXCP_AdES); \
gen_set_label(l1); \
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, CP0_LLAddr)); \
tcg_gen_brcond_tl(TCG_COND_NE, cpu_T[0], r_tmp, l2); \
tcg_gen_qemu_##fname(cpu_T[1], cpu_T[0], ctx->mem_idx); \
tcg_gen_movi_tl(cpu_T[0], 1); \
tcg_gen_br(l3); \
gen_set_label(l2); \
tcg_gen_movi_tl(cpu_T[0], 0); \
gen_set_label(l3); \
}
OP_ST_ATOMIC(sc,st32,0x3);
#if defined(TARGET_MIPS64)
OP_ST_ATOMIC(scd,st64,0x7);
#endif
#undef OP_ST_ATOMIC
void inline op_ldst_lwc1(DisasContext *ctx)
{
op_ldst(lwc1);
}
void inline op_ldst_ldc1(DisasContext *ctx)
{
op_ldst(ldc1);
}
void inline op_ldst_swc1(DisasContext *ctx)
{
op_ldst(swc1);
}
void inline op_ldst_sdc1(DisasContext *ctx)
{
op_ldst(sdc1);
}
/* Load and store */
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt,
int base, int16_t offset)
{
const char *opn = "ldst";
if (base == 0) {
tcg_gen_movi_tl(cpu_T[0], offset);
} else if (offset == 0) {
gen_load_gpr(cpu_T[0], base);
} else {
gen_load_gpr(cpu_T[0], base);
tcg_gen_movi_tl(cpu_T[1], offset);
gen_op_addr_add();
}
/* Don't do NOP if destination is zero: we must perform the actual
memory access. */
switch (opc) {
#if defined(TARGET_MIPS64)
case OPC_LWU:
op_ldst_lwu(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "lwu";
break;
case OPC_LD:
op_ldst_ld(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "ld";
break;
case OPC_LLD:
op_ldst_lld(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "lld";
break;
case OPC_SD:
gen_load_gpr(cpu_T[1], rt);
op_ldst_sd(ctx);
opn = "sd";
break;
case OPC_SCD:
save_cpu_state(ctx, 1);
gen_load_gpr(cpu_T[1], rt);
op_ldst_scd(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "scd";
break;
case OPC_LDL:
gen_load_gpr(cpu_T[1], rt);
op_ldst(ldl);
gen_store_gpr(cpu_T[1], rt);
opn = "ldl";
break;
case OPC_SDL:
gen_load_gpr(cpu_T[1], rt);
op_ldst(sdl);
opn = "sdl";
break;
case OPC_LDR:
gen_load_gpr(cpu_T[1], rt);
op_ldst(ldr);
gen_store_gpr(cpu_T[1], rt);
opn = "ldr";
break;
case OPC_SDR:
gen_load_gpr(cpu_T[1], rt);
op_ldst(sdr);
opn = "sdr";
break;
#endif
case OPC_LW:
op_ldst_lw(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "lw";
break;
case OPC_SW:
gen_load_gpr(cpu_T[1], rt);
op_ldst_sw(ctx);
opn = "sw";
break;
case OPC_LH:
op_ldst_lh(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "lh";
break;
case OPC_SH:
gen_load_gpr(cpu_T[1], rt);
op_ldst_sh(ctx);
opn = "sh";
break;
case OPC_LHU:
op_ldst_lhu(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "lhu";
break;
case OPC_LB:
op_ldst_lb(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "lb";
break;
case OPC_SB:
gen_load_gpr(cpu_T[1], rt);
op_ldst_sb(ctx);
opn = "sb";
break;
case OPC_LBU:
op_ldst_lbu(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "lbu";
break;
case OPC_LWL:
gen_load_gpr(cpu_T[1], rt);
op_ldst(lwl);
gen_store_gpr(cpu_T[1], rt);
opn = "lwl";
break;
case OPC_SWL:
gen_load_gpr(cpu_T[1], rt);
op_ldst(swl);
opn = "swr";
break;
case OPC_LWR:
gen_load_gpr(cpu_T[1], rt);
op_ldst(lwr);
gen_store_gpr(cpu_T[1], rt);
opn = "lwr";
break;
case OPC_SWR:
gen_load_gpr(cpu_T[1], rt);
op_ldst(swr);
opn = "swr";
break;
case OPC_LL:
op_ldst_ll(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "ll";
break;
case OPC_SC:
save_cpu_state(ctx, 1);
gen_load_gpr(cpu_T[1], rt);
op_ldst_sc(ctx);
gen_store_gpr(cpu_T[0], rt);
opn = "sc";
break;
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
}
/* Load and store */
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
int base, int16_t offset)
{
const char *opn = "flt_ldst";
if (base == 0) {
tcg_gen_movi_tl(cpu_T[0], offset);
} else if (offset == 0) {
gen_load_gpr(cpu_T[0], base);
} else {
gen_load_gpr(cpu_T[0], base);
tcg_gen_movi_tl(cpu_T[1], offset);
gen_op_addr_add();
}
/* Don't do NOP if destination is zero: we must perform the actual
memory access. */
switch (opc) {
case OPC_LWC1:
op_ldst_lwc1(ctx);
GEN_STORE_FTN_FREG(ft, WT0);
opn = "lwc1";
break;
case OPC_SWC1:
GEN_LOAD_FREG_FTN(WT0, ft);
op_ldst_swc1(ctx);
opn = "swc1";
break;
case OPC_LDC1:
op_ldst_ldc1(ctx);
GEN_STORE_FTN_FREG(ft, DT0);
opn = "ldc1";
break;
case OPC_SDC1:
GEN_LOAD_FREG_FTN(DT0, ft);
op_ldst_sdc1(ctx);
opn = "sdc1";
break;
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
}
/* Arithmetic with immediate operand */
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc,
int rt, int rs, int16_t imm)
{
target_ulong uimm;
const char *opn = "imm arith";
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. */
MIPS_DEBUG("NOP");
return;
}
uimm = (uint16_t)imm;
switch (opc) {
case OPC_ADDI:
case OPC_ADDIU:
#if defined(TARGET_MIPS64)
case OPC_DADDI:
case OPC_DADDIU:
#endif
case OPC_SLTI:
case OPC_SLTIU:
uimm = (target_long)imm; /* Sign extend to 32/64 bits */
tcg_gen_movi_tl(cpu_T[1], uimm);
/* Fall through. */
case OPC_ANDI:
case OPC_ORI:
case OPC_XORI:
gen_load_gpr(cpu_T[0], rs);
break;
case OPC_LUI:
tcg_gen_movi_tl(cpu_T[0], imm << 16);
break;
case OPC_SLL:
case OPC_SRA:
case OPC_SRL:
#if defined(TARGET_MIPS64)
case OPC_DSLL:
case OPC_DSRA:
case OPC_DSRL:
case OPC_DSLL32:
case OPC_DSRA32:
case OPC_DSRL32:
#endif
uimm &= 0x1f;
gen_load_gpr(cpu_T[0], rs);
break;
}
switch (opc) {
case OPC_ADDI:
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
tcg_gen_addi_tl(cpu_T[0], r_tmp1, uimm);
tcg_gen_xori_tl(r_tmp1, r_tmp1, uimm);
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
tcg_gen_xori_tl(r_tmp2, cpu_T[0], uimm);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
}
opn = "addi";
break;
case OPC_ADDIU:
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "addiu";
break;
#if defined(TARGET_MIPS64)
case OPC_DADDI:
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm);
tcg_gen_xori_tl(r_tmp1, r_tmp1, uimm);
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
tcg_gen_xori_tl(r_tmp2, cpu_T[0], uimm);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
}
opn = "daddi";
break;
case OPC_DADDIU:
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm);
opn = "daddiu";
break;
#endif
case OPC_SLTI:
gen_op_lti(uimm);
opn = "slti";
break;
case OPC_SLTIU:
gen_op_ltiu(uimm);
opn = "sltiu";
break;
case OPC_ANDI:
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], uimm);
opn = "andi";
break;
case OPC_ORI:
tcg_gen_ori_tl(cpu_T[0], cpu_T[0], uimm);
opn = "ori";
break;
case OPC_XORI:
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], uimm);
opn = "xori";
break;
case OPC_LUI:
opn = "lui";
break;
case OPC_SLL:
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "sll";
break;
case OPC_SRA:
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "sra";
break;
case OPC_SRL:
switch ((ctx->opcode >> 21) & 0x1f) {
case 0:
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "srl";
break;
case 1:
/* rotr is decoded as srl on non-R2 CPUs */
if (env->insn_flags & ISA_MIPS32R2) {
if (uimm != 0) {
TCGv r_tmp1 = new_tmp();
TCGv r_tmp2 = new_tmp();
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
tcg_gen_movi_i32(r_tmp2, 0x20);
tcg_gen_subi_i32(r_tmp2, r_tmp2, uimm);
tcg_gen_shl_i32(r_tmp2, r_tmp1, r_tmp2);
tcg_gen_shri_i32(r_tmp1, r_tmp1, uimm);
tcg_gen_or_i32(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
dead_tmp(r_tmp1);
dead_tmp(r_tmp2);
}
opn = "rotr";
} else {
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "srl";
}
break;
default:
MIPS_INVAL("invalid srl flag");
generate_exception(ctx, EXCP_RI);
break;
}
break;
#if defined(TARGET_MIPS64)
case OPC_DSLL:
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm);
opn = "dsll";
break;
case OPC_DSRA:
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm);
opn = "dsra";
break;
case OPC_DSRL:
switch ((ctx->opcode >> 21) & 0x1f) {
case 0:
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm);
opn = "dsrl";
break;
case 1:
/* drotr is decoded as dsrl on non-R2 CPUs */
if (env->insn_flags & ISA_MIPS32R2) {
if (uimm != 0) {
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_movi_tl(r_tmp1, 0x40);
tcg_gen_subi_tl(r_tmp1, r_tmp1, uimm);
tcg_gen_shl_tl(r_tmp1, cpu_T[0], r_tmp1);
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1);
}
opn = "drotr";
} else {
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm);
opn = "dsrl";
}
break;
default:
MIPS_INVAL("invalid dsrl flag");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_DSLL32:
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm + 32);
opn = "dsll32";
break;
case OPC_DSRA32:
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm + 32);
opn = "dsra32";
break;
case OPC_DSRL32:
switch ((ctx->opcode >> 21) & 0x1f) {
case 0:
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm + 32);
opn = "dsrl32";
break;
case 1:
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
if (env->insn_flags & ISA_MIPS32R2) {
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_movi_tl(r_tmp1, 0x40);
tcg_gen_movi_tl(r_tmp2, 32);
tcg_gen_addi_tl(r_tmp2, r_tmp2, uimm);
tcg_gen_sub_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_shl_tl(r_tmp1, cpu_T[0], r_tmp1);
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], r_tmp2);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1);
opn = "drotr32";
} else {
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm + 32);
opn = "dsrl32";
}
break;
default:
MIPS_INVAL("invalid dsrl32 flag");
generate_exception(ctx, EXCP_RI);
break;
}
break;
#endif
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
gen_store_gpr(cpu_T[0], rt);
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
}
/* Arithmetic */
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
const char *opn = "arith";
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. */
MIPS_DEBUG("NOP");
return;
}
gen_load_gpr(cpu_T[0], rs);
/* Specialcase the conventional move operation. */
if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU
|| opc == OPC_SUBU || opc == OPC_DSUBU)) {
gen_store_gpr(cpu_T[0], rd);
return;
}
gen_load_gpr(cpu_T[1], rt);
switch (opc) {
case OPC_ADD:
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
tcg_gen_ext32s_tl(r_tmp2, cpu_T[1]);
tcg_gen_add_tl(cpu_T[0], r_tmp1, r_tmp2);
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[1]);
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
tcg_gen_xor_tl(r_tmp2, cpu_T[0], cpu_T[1]);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
}
opn = "add";
break;
case OPC_ADDU:
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "addu";
break;
case OPC_SUB:
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
tcg_gen_ext32s_tl(r_tmp2, cpu_T[1]);
tcg_gen_sub_tl(cpu_T[0], r_tmp1, r_tmp2);
tcg_gen_xor_tl(r_tmp2, r_tmp1, cpu_T[1]);
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[0]);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
/* operands of different sign, first operand and result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
}
opn = "sub";
break;
case OPC_SUBU:
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "subu";
break;
#if defined(TARGET_MIPS64)
case OPC_DADD:
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[1]);
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
tcg_gen_xor_tl(r_tmp2, cpu_T[0], cpu_T[1]);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
/* operands of same sign, result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
}
opn = "dadd";
break;
case OPC_DADDU:
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
opn = "daddu";
break;
case OPC_DSUB:
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
save_cpu_state(ctx, 1);
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_xor_tl(r_tmp2, r_tmp1, cpu_T[1]);
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[0]);
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
/* operands of different sign, first operand and result different sign */
generate_exception(ctx, EXCP_OVERFLOW);
gen_set_label(l1);
}
opn = "dsub";
break;
case OPC_DSUBU:
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
opn = "dsubu";
break;
#endif
case OPC_SLT:
gen_op_lt();
opn = "slt";
break;
case OPC_SLTU:
gen_op_ltu();
opn = "sltu";
break;
case OPC_AND:
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
opn = "and";
break;
case OPC_NOR:
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_not_tl(cpu_T[0], cpu_T[0]);
opn = "nor";
break;
case OPC_OR:
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
opn = "or";
break;
case OPC_XOR:
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
opn = "xor";
break;
case OPC_MUL:
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "mul";
break;
case OPC_MOVN:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1);
gen_store_gpr(cpu_T[0], rd);
gen_set_label(l1);
}
opn = "movn";
goto print;
case OPC_MOVZ:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_T[1], 0, l1);
gen_store_gpr(cpu_T[0], rd);
gen_set_label(l1);
}
opn = "movz";
goto print;
case OPC_SLLV:
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]);
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f);
tcg_gen_shl_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "sllv";
break;
case OPC_SRAV:
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f);
tcg_gen_sar_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "srav";
break;
case OPC_SRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 0:
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f);
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "srlv";
break;
case 1:
/* rotrv is decoded as srlv on non-R2 CPUs */
if (env->insn_flags & ISA_MIPS32R2) {
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, l1);
{
TCGv r_tmp1 = new_tmp();
TCGv r_tmp2 = new_tmp();
TCGv r_tmp3 = new_tmp();
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
tcg_gen_trunc_tl_i32(r_tmp2, cpu_T[1]);
tcg_gen_movi_i32(r_tmp3, 0x20);
tcg_gen_sub_i32(r_tmp3, r_tmp3, r_tmp1);
tcg_gen_shl_i32(r_tmp3, r_tmp2, r_tmp3);
tcg_gen_shr_i32(r_tmp1, r_tmp2, r_tmp1);
tcg_gen_or_i32(r_tmp1, r_tmp1, r_tmp3);
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
dead_tmp(r_tmp1);
dead_tmp(r_tmp2);
dead_tmp(r_tmp3);
tcg_gen_br(l2);
}
gen_set_label(l1);
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]);
gen_set_label(l2);
opn = "rotrv";
} else {
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]);
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f);
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
opn = "srlv";
}
break;
default:
MIPS_INVAL("invalid srlv flag");
generate_exception(ctx, EXCP_RI);
break;
}
break;
#if defined(TARGET_MIPS64)
case OPC_DSLLV:
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f);
tcg_gen_shl_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
opn = "dsllv";
break;
case OPC_DSRAV:
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f);
tcg_gen_sar_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
opn = "dsrav";
break;
case OPC_DSRLV:
switch ((ctx->opcode >> 6) & 0x1f) {
case 0:
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f);
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
opn = "dsrlv";
break;
case 1:
/* drotrv is decoded as dsrlv on non-R2 CPUs */
if (env->insn_flags & ISA_MIPS32R2) {
int l1 = gen_new_label();
int l2 = gen_new_label();
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f);
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, l1);
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_movi_tl(r_tmp1, 0x40);
tcg_gen_sub_tl(r_tmp1, r_tmp1, cpu_T[0]);
tcg_gen_shl_tl(r_tmp1, cpu_T[1], r_tmp1);
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1);
tcg_gen_br(l2);
}
gen_set_label(l1);
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]);
gen_set_label(l2);
opn = "drotrv";
} else {
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f);
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]);
opn = "dsrlv";
}
break;
default:
MIPS_INVAL("invalid dsrlv flag");
generate_exception(ctx, EXCP_RI);
break;
}
break;
#endif
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
gen_store_gpr(cpu_T[0], rd);
print:
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
}
/* Arithmetic on HI/LO registers */
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
{
const char *opn = "hilo";
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
/* Treat as NOP. */
MIPS_DEBUG("NOP");
return;
}
switch (opc) {
case OPC_MFHI:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, HI[0]));
gen_store_gpr(cpu_T[0], reg);
opn = "mfhi";
break;
case OPC_MFLO:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, LO[0]));
gen_store_gpr(cpu_T[0], reg);
opn = "mflo";
break;
case OPC_MTHI:
gen_load_gpr(cpu_T[0], reg);
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, HI[0]));
opn = "mthi";
break;
case OPC_MTLO:
gen_load_gpr(cpu_T[0], reg);
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, LO[0]));
opn = "mtlo";
break;
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s", opn, regnames[reg]);
}
static void gen_muldiv (DisasContext *ctx, uint32_t opc,
int rs, int rt)
{
const char *opn = "mul/div";
gen_load_gpr(cpu_T[0], rs);
gen_load_gpr(cpu_T[1], rt);
switch (opc) {
case OPC_DIV:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1);
{
TCGv r_tmp1 = new_tmp();
TCGv r_tmp2 = new_tmp();
TCGv r_tmp3 = new_tmp();
TCGv r_tc_off = new_tmp();
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL);
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
tcg_gen_div_i32(r_tmp3, r_tmp1, r_tmp2);
tcg_gen_rem_i32(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
dead_tmp(r_tmp1);
dead_tmp(r_tmp2);
dead_tmp(r_tmp3);
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc));
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off);
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl);
tcg_gen_st_tl(cpu_T[0], r_ptr, offsetof(CPUState, LO));
tcg_gen_st_tl(cpu_T[1], r_ptr, offsetof(CPUState, HI));
dead_tmp(r_tc_off);
}
gen_set_label(l1);
}
opn = "div";
break;
case OPC_DIVU:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1);
{
TCGv r_tmp1 = new_tmp();
TCGv r_tmp2 = new_tmp();
TCGv r_tmp3 = new_tmp();
TCGv r_tc_off = new_tmp();
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL);
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
tcg_gen_divu_i32(r_tmp3, r_tmp1, r_tmp2);
tcg_gen_remu_i32(r_tmp1, r_tmp1, r_tmp2);
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
dead_tmp(r_tmp1);
dead_tmp(r_tmp2);
dead_tmp(r_tmp3);
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc));
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off);
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl);
tcg_gen_st_tl(cpu_T[0], r_ptr, offsetof(CPUState, LO));
tcg_gen_st_tl(cpu_T[1], r_ptr, offsetof(CPUState, HI));
dead_tmp(r_tc_off);
}
gen_set_label(l1);
}
opn = "divu";
break;
case OPC_MULT:
gen_op_mult();
opn = "mult";
break;
case OPC_MULTU:
gen_op_multu();
opn = "multu";
break;
#if defined(TARGET_MIPS64)
case OPC_DDIV:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1);
{
TCGv r_tc_off = new_tmp();
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL);
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
int l2 = gen_new_label();
int l3 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_T[0], 1ULL << 63, l2);
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_T[1], -1ULL, l2);
tcg_gen_div_i64(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_movi_tl(cpu_T[1], 0);
tcg_gen_br(l3);
gen_set_label(l2);
tcg_gen_div_i64(cpu_T[0], cpu_T[0], cpu_T[1]);
tcg_gen_rem_i64(cpu_T[1], cpu_T[0], cpu_T[1]);
gen_set_label(l3);
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc));
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off);
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl);
tcg_gen_st_tl(cpu_T[0], r_ptr, offsetof(CPUState, LO));
tcg_gen_st_tl(cpu_T[1], r_ptr, offsetof(CPUState, HI));
dead_tmp(r_tc_off);
}
gen_set_label(l1);
}
opn = "ddiv";
break;
case OPC_DDIVU:
{
int l1 = gen_new_label();
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1);
{
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64);
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64);
TCGv r_tc_off = new_tmp();
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL);
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
tcg_gen_divu_i64(r_tmp1, cpu_T[0], cpu_T[1]);
tcg_gen_remu_i64(r_tmp2, cpu_T[0], cpu_T[1]);
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc));
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off);
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl);
tcg_gen_st_tl(r_tmp1, r_ptr, offsetof(CPUState, LO));
tcg_gen_st_tl(r_tmp2, r_ptr, offsetof(CPUState, HI));
dead_tmp(r_tc_off);
}
gen_set_label(l1);
}
opn = "ddivu";
break;
case OPC_DMULT:
gen_op_dmult();
opn = "dmult";
break;
case OPC_DMULTU:
gen_op_dmultu();
opn = "dmultu";
break;
#endif
case OPC_MADD:
gen_op_madd();
opn = "madd";
break;
case OPC_MADDU:
gen_op_maddu();
opn = "maddu";
break;
case OPC_MSUB:
gen_op_msub();
opn = "msub";
break;
case OPC_MSUBU:
gen_op_msubu();
opn = "msubu";
break;
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
}
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc,
int rd, int rs, int rt)
{
const char *opn = "mul vr54xx";
gen_load_gpr(cpu_T[0], rs);
gen_load_gpr(cpu_T[1], rt);
switch (opc) {
case OPC_VR54XX_MULS:
gen_op_muls();
opn = "muls";
break;
case OPC_VR54XX_MULSU:
gen_op_mulsu();
opn = "mulsu";
break;
case OPC_VR54XX_MACC:
gen_op_macc();
opn = "macc";
break;
case OPC_VR54XX_MACCU:
gen_op_maccu();
opn = "maccu";
break;
case OPC_VR54XX_MSAC:
gen_op_msac();
opn = "msac";
break;
case OPC_VR54XX_MSACU:
gen_op_msacu();
opn = "msacu";
break;
case OPC_VR54XX_MULHI:
gen_op_mulhi();
opn = "mulhi";
break;
case OPC_VR54XX_MULHIU:
gen_op_mulhiu();
opn = "mulhiu";
break;
case OPC_VR54XX_MULSHI:
gen_op_mulshi();
opn = "mulshi";
break;
case OPC_VR54XX_MULSHIU:
gen_op_mulshiu();
opn = "mulshiu";
break;
case OPC_VR54XX_MACCHI:
gen_op_macchi();
opn = "macchi";
break;
case OPC_VR54XX_MACCHIU:
gen_op_macchiu();
opn = "macchiu";
break;
case OPC_VR54XX_MSACHI:
gen_op_msachi();
opn = "msachi";
break;
case OPC_VR54XX_MSACHIU:
gen_op_msachiu();
opn = "msachiu";
break;
default:
MIPS_INVAL("mul vr54xx");
generate_exception(ctx, EXCP_RI);
return;
}
gen_store_gpr(cpu_T[0], rd);
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
}
static void gen_cl (DisasContext *ctx, uint32_t opc,
int rd, int rs)
{
const char *opn = "CLx";
if (rd == 0) {
/* Treat as NOP. */
MIPS_DEBUG("NOP");
return;
}
gen_load_gpr(cpu_T[0], rs);
switch (opc) {
case OPC_CLO:
tcg_gen_helper_0_0(do_clo);
opn = "clo";
break;
case OPC_CLZ:
tcg_gen_helper_0_0(do_clz);
opn = "clz";
break;
#if defined(TARGET_MIPS64)
case OPC_DCLO:
tcg_gen_helper_0_0(do_dclo);
opn = "dclo";
break;
case OPC_DCLZ:
tcg_gen_helper_0_0(do_dclz);
opn = "dclz";
break;
#endif
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
gen_store_gpr(cpu_T[0], rd);
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
}
/* Traps */
static void gen_trap (DisasContext *ctx, uint32_t opc,
int rs, int rt, int16_t imm)
{
int cond;
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(cpu_T[0], rs);
gen_load_gpr(cpu_T[1], 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(cpu_T[0], rs);
tcg_gen_movi_tl(cpu_T[1], (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 */
tcg_gen_movi_tl(cpu_T[0], 1);
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. */
return;
default:
MIPS_INVAL("trap");
generate_exception(ctx, EXCP_RI);
return;
}
} else {
switch (opc) {
case OPC_TEQ:
case OPC_TEQI:
gen_op_eq();
break;
case OPC_TGE:
case OPC_TGEI:
gen_op_ge();
break;
case OPC_TGEU:
case OPC_TGEIU:
gen_op_geu();
break;
case OPC_TLT:
case OPC_TLTI:
gen_op_lt();
break;
case OPC_TLTU:
case OPC_TLTIU:
gen_op_ltu();
break;
case OPC_TNE:
case OPC_TNEI:
gen_op_ne();
break;
default:
MIPS_INVAL("trap");
generate_exception(ctx, EXCP_RI);
return;
}
}
save_cpu_state(ctx, 1);
gen_op_trap();
ctx->bstate = BS_STOP;
}
static always_inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
{
TranslationBlock *tb;
tb = ctx->tb;
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
tcg_gen_goto_tb(n);
gen_save_pc(dest);
tcg_gen_exit_tb((long)tb + n);
} else {
gen_save_pc(dest);
tcg_gen_exit_tb(0);
}
}
/* Branches (before delay slot) */
static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
int rs, int rt, int32_t offset)
{
target_ulong btarget = -1;
int blink = 0;
int bcond = 0;
if (ctx->hflags & MIPS_HFLAG_BMASK) {
#ifdef MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile,
"Branch in delay slot at PC 0x" TARGET_FMT_lx "\n",
ctx->pc);
}
#endif
generate_exception(ctx, EXCP_RI);
return;
}
/* 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(cpu_T[0], rs);
gen_load_gpr(cpu_T[1], rt);
bcond = 1;
}
btarget = ctx->pc + 4 + 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(cpu_T[0], rs);
bcond = 1;
}
btarget = ctx->pc + 4 + offset;
break;
case OPC_J:
case OPC_JAL:
/* Jump to immediate */
btarget = ((ctx->pc + 4) & (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");
generate_exception(ctx, EXCP_RI);
return;
}
gen_save_breg_target(rs);
break;
default:
MIPS_INVAL("branch/jump");
generate_exception(ctx, EXCP_RI);
return;
}
if (bcond == 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;
MIPS_DEBUG("balways");
break;
case OPC_BGEZAL: /* 0 >= 0 */
case OPC_BGEZALL: /* 0 >= 0 likely */
/* Always take and link */
blink = 31;
ctx->hflags |= MIPS_HFLAG_B;
MIPS_DEBUG("balways and link");
break;
case OPC_BNE: /* rx != rx */
case OPC_BGTZ: /* 0 > 0 */
case OPC_BLTZ: /* 0 < 0 */
/* Treat as NOP. */
MIPS_DEBUG("bnever (NOP)");
return;
case OPC_BLTZAL: /* 0 < 0 */
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8);
gen_store_gpr(cpu_T[0], 31);
MIPS_DEBUG("bnever and link");
return;
case OPC_BLTZALL: /* 0 < 0 likely */
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8);
gen_store_gpr(cpu_T[0], 31);
/* Skip the instruction in the delay slot */
MIPS_DEBUG("bnever, link and skip");
ctx->pc += 4;
return;
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 */
MIPS_DEBUG("bnever and skip");
ctx->pc += 4;
return;
case OPC_J:
ctx->hflags |= MIPS_HFLAG_B;
MIPS_DEBUG("j " TARGET_FMT_lx, btarget);
break;
case OPC_JAL:
blink = 31;
ctx->hflags |= MIPS_HFLAG_B;
MIPS_DEBUG("jal " TARGET_FMT_lx, btarget);
break;
case OPC_JR:
ctx->hflags |= MIPS_HFLAG_BR;
MIPS_DEBUG("jr %s", regnames[rs]);
break;
case OPC_JALR:
blink = rt;
ctx->hflags |= MIPS_HFLAG_BR;
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
break;
default:
MIPS_INVAL("branch/jump");
generate_exception(ctx, EXCP_RI);
return;
}
} else {
switch (opc) {
case OPC_BEQ:
gen_op_eq();
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btarget);
goto not_likely;
case OPC_BEQL:
gen_op_eq();
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btarget);
goto likely;
case OPC_BNE:
gen_op_ne();
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btarget);
goto not_likely;
case OPC_BNEL:
gen_op_ne();
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btarget);
goto likely;
case OPC_BGEZ:
gen_op_gez();
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto not_likely;
case OPC_BGEZL:
gen_op_gez();
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto likely;
case OPC_BGEZAL:
gen_op_gez();
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btarget);
blink = 31;
goto not_likely;
case OPC_BGEZALL:
gen_op_gez();
blink = 31;
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto likely;
case OPC_BGTZ:
gen_op_gtz();
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto not_likely;
case OPC_BGTZL:
gen_op_gtz();
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto likely;
case OPC_BLEZ:
gen_op_lez();
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto not_likely;
case OPC_BLEZL:
gen_op_lez();
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto likely;
case OPC_BLTZ:
gen_op_ltz();
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto not_likely;
case OPC_BLTZL:
gen_op_ltz();
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
goto likely;
case OPC_BLTZAL:
gen_op_ltz();
blink = 31;
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btarget);
not_likely:
ctx->hflags |= MIPS_HFLAG_BC;
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
break;
case OPC_BLTZALL:
gen_op_ltz();
blink = 31;
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btarget);
likely:
ctx->hflags |= MIPS_HFLAG_BL;
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
break;
default:
MIPS_INVAL("conditional branch/jump");
generate_exception(ctx, EXCP_RI);
return;
}
}
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
blink, ctx->hflags, btarget);
ctx->btarget = btarget;
if (blink > 0) {
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8);
gen_store_gpr(cpu_T[0], blink);
}
}
/* special3 bitfield operations */
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
int rs, int lsb, int msb)
{
gen_load_gpr(cpu_T[1], rs);
switch (opc) {
case OPC_EXT:
if (lsb + msb > 31)
goto fail;
gen_op_ext(lsb, msb + 1);
break;
#if defined(TARGET_MIPS64)
case OPC_DEXTM:
if (lsb + msb > 63)
goto fail;
gen_op_dext(lsb, msb + 1 + 32);
break;
case OPC_DEXTU:
if (lsb + msb > 63)
goto fail;
gen_op_dext(lsb + 32, msb + 1);
break;
case OPC_DEXT:
if (lsb + msb > 63)
goto fail;
gen_op_dext(lsb, msb + 1);
break;
#endif
case OPC_INS:
if (lsb > msb)
goto fail;
gen_load_gpr(cpu_T[0], rt);
gen_op_ins(lsb, msb - lsb + 1);
break;
#if defined(TARGET_MIPS64)
case OPC_DINSM:
if (lsb > msb)
goto fail;
gen_load_gpr(cpu_T[0], rt);
gen_op_dins(lsb, msb - lsb + 1 + 32);
break;
case OPC_DINSU:
if (lsb > msb)
goto fail;
gen_load_gpr(cpu_T[0], rt);
gen_op_dins(lsb + 32, msb - lsb + 1);
break;
case OPC_DINS:
if (lsb > msb)
goto fail;
gen_load_gpr(cpu_T[0], rt);
gen_op_dins(lsb, msb - lsb + 1);
break;
#endif
default:
fail:
MIPS_INVAL("bitops");
generate_exception(ctx, EXCP_RI);
return;
}
gen_store_gpr(cpu_T[0], rt);
}
/* CP0 (MMU and control) */
static void gen_mfc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
{
const char *rn = "invalid";
TCGv r_tmp = tcg_temp_new(TCG_TYPE_I32);
TCGv r_tmp64 = tcg_temp_new(TCG_TYPE_I64);
if (sel != 0)
check_insn(env, ctx, ISA_MIPS32);
switch (reg) {
case 0:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Index));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Index";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_mvpcontrol();
rn = "MVPControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_mvpconf0();
rn = "MVPConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_mvpconf1();
rn = "MVPConf1";
break;
default:
goto die;
}
break;
case 1:
switch (sel) {
case 0:
gen_op_mfc0_random();
rn = "Random";
break;
case 1:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEControl));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf1));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEConf1";
break;
case 4:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i64(r_tmp64, cpu_env, offsetof(CPUState, CP0_YQMask));
tcg_gen_trunc_i64_tl(cpu_T[0], r_tmp64);
rn = "YQMask";
break;
case 5:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_tl(r_tmp64, cpu_env, offsetof(CPUState, CP0_VPESchedule));
tcg_gen_trunc_i64_tl(cpu_T[0], r_tmp64);
rn = "VPESchedule";
break;
case 6:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_tl(r_tmp64, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
tcg_gen_trunc_i64_tl(cpu_T[0], r_tmp64);
rn = "VPEScheFBack";
break;
case 7:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEOpt));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEOpt";
break;
default:
goto die;
}
break;
case 2:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo0));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "EntryLo0";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tcstatus();
rn = "TCStatus";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tcbind();
rn = "TCBind";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tcrestart();
rn = "TCRestart";
break;
case 4:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tchalt();
rn = "TCHalt";
break;
case 5:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tccontext();
rn = "TCContext";
break;
case 6:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tcschedule();
rn = "TCSchedule";
break;
case 7:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tcschefback();
rn = "TCScheFBack";
break;
default:
goto die;
}
break;
case 3:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo1));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "EntryLo1";
break;
default:
goto die;
}
break;
case 4:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_Context));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "Context";
break;
case 1:
// gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
rn = "ContextConfig";
// break;
default:
goto die;
}
break;
case 5:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageMask));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "PageMask";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageGrain));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "PageGrain";
break;
default:
goto die;
}
break;
case 6:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Wired));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Wired";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf0";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf1));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf1";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf2));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf2";
break;
case 4:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf3));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf3";
break;
case 5:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf4));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf4";
break;
default:
goto die;
}
break;
case 7:
switch (sel) {
case 0:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_HWREna));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "HWREna";
break;
default:
goto die;
}
break;
case 8:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_BadVAddr));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "BadVAddr";
break;
default:
goto die;
}
break;
case 9:
switch (sel) {
case 0:
gen_op_mfc0_count();
rn = "Count";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
break;
case 10:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryHi));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "EntryHi";
break;
default:
goto die;
}
break;
case 11:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Compare));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
break;
case 12:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Status));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Status";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_IntCtl));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "IntCtl";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSCtl";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSMap));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSMap";
break;
default:
goto die;
}
break;
case 13:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Cause));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Cause";
break;
default:
goto die;
}
break;
case 14:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EPC));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "EPC";
break;
default:
goto die;
}
break;
case 15:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PRid));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "PRid";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_EBase));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "EBase";
break;
default:
goto die;
}
break;
case 16:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config";
break;
case 1:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config1));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config1";
break;
case 2:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config2));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config2";
break;
case 3:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config3));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config3";
break;
/* 4,5 are reserved */
/* 6,7 are implementation dependent */
case 6:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config6));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config6";
break;
case 7:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config7));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config7";
break;
default:
goto die;
}
break;
case 17:
switch (sel) {
case 0:
gen_op_mfc0_lladdr();
rn = "LLAddr";
break;
default:
goto die;
}
break;
case 18:
switch (sel) {
case 0 ... 7:
gen_op_mfc0_watchlo(sel);
rn = "WatchLo";
break;
default:
goto die;
}
break;
case 19:
switch (sel) {
case 0 ...7:
gen_op_mfc0_watchhi(sel);
rn = "WatchHi";
break;
default:
goto die;
}
break;
case 20:
switch (sel) {
case 0:
#if defined(TARGET_MIPS64)
check_insn(env, ctx, ISA_MIPS3);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_XContext));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "XContext";
break;
#endif
default:
goto die;
}
break;
case 21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Framemask));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Framemask";
break;
default:
goto die;
}
break;
case 22:
/* ignored */
rn = "'Diagnostic"; /* implementation dependent */
break;
case 23:
switch (sel) {
case 0:
gen_op_mfc0_debug(); /* EJTAG support */
rn = "Debug";
break;
case 1:
// gen_op_mfc0_tracecontrol(); /* PDtrace support */
rn = "TraceControl";
// break;
case 2:
// gen_op_mfc0_tracecontrol2(); /* PDtrace support */
rn = "TraceControl2";
// break;
case 3:
// gen_op_mfc0_usertracedata(); /* PDtrace support */
rn = "UserTraceData";
// break;
case 4:
// gen_op_mfc0_debug(); /* PDtrace support */
rn = "TraceBPC";
// break;
default:
goto die;
}
break;
case 24:
switch (sel) {
case 0:
/* EJTAG support */
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_DEPC));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "DEPC";
break;
default:
goto die;
}
break;
case 25:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Performance0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Performance0";
break;
case 1:
// gen_op_mfc0_performance1();
rn = "Performance1";
// break;
case 2:
// gen_op_mfc0_performance2();
rn = "Performance2";
// break;
case 3:
// gen_op_mfc0_performance3();
rn = "Performance3";
// break;
case 4:
// gen_op_mfc0_performance4();
rn = "Performance4";
// break;
case 5:
// gen_op_mfc0_performance5();
rn = "Performance5";
// break;
case 6:
// gen_op_mfc0_performance6();
rn = "Performance6";
// break;
case 7:
// gen_op_mfc0_performance7();
rn = "Performance7";
// break;
default:
goto die;
}
break;
case 26:
rn = "ECC";
break;
case 27:
switch (sel) {
/* ignored */
case 0 ... 3:
rn = "CacheErr";
break;
default:
goto die;
}
break;
case 28:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagLo));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "TagLo";
break;
case 1:
case 3:
case 5:
case 7:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataLo));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "DataLo";
break;
default:
goto die;
}
break;
case 29:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagHi));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "TagHi";
break;
case 1:
case 3:
case 5:
case 7:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataHi));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "DataHi";
break;
default:
goto die;
}
break;
case 30:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_ErrorEPC));
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]);
rn = "ErrorEPC";
break;
default:
goto die;
}
break;
case 31:
switch (sel) {
case 0:
/* EJTAG support */
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DESAVE));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "DESAVE";
break;
default:
goto die;
}
break;
default:
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
return;
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
generate_exception(ctx, EXCP_RI);
}
static void gen_mtc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
{
const char *rn = "invalid";
if (sel != 0)
check_insn(env, ctx, ISA_MIPS32);
switch (reg) {
case 0:
switch (sel) {
case 0:
gen_op_mtc0_index();
rn = "Index";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_mvpcontrol();
rn = "MVPControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
/* ignored */
rn = "MVPConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
/* ignored */
rn = "MVPConf1";
break;
default:
goto die;
}
break;
case 1:
switch (sel) {
case 0:
/* ignored */
rn = "Random";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpecontrol();
rn = "VPEControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeconf0();
rn = "VPEConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeconf1();
rn = "VPEConf1";
break;
case 4:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_yqmask();
rn = "YQMask";
break;
case 5:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeschedule();
rn = "VPESchedule";
break;
case 6:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeschefback();
rn = "VPEScheFBack";
break;
case 7:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeopt();
rn = "VPEOpt";
break;
default:
goto die;
}
break;
case 2:
switch (sel) {
case 0:
gen_op_mtc0_entrylo0();
rn = "EntryLo0";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcstatus();
rn = "TCStatus";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcbind();
rn = "TCBind";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcrestart();
rn = "TCRestart";
break;
case 4:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tchalt();
rn = "TCHalt";
break;
case 5:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tccontext();
rn = "TCContext";
break;
case 6:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcschedule();
rn = "TCSchedule";
break;
case 7:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcschefback();
rn = "TCScheFBack";
break;
default:
goto die;
}
break;
case 3:
switch (sel) {
case 0:
gen_op_mtc0_entrylo1();
rn = "EntryLo1";
break;
default:
goto die;
}
break;
case 4:
switch (sel) {
case 0:
gen_op_mtc0_context();
rn = "Context";
break;
case 1:
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
rn = "ContextConfig";
// break;
default:
goto die;
}
break;
case 5:
switch (sel) {
case 0:
gen_op_mtc0_pagemask();
rn = "PageMask";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_pagegrain();
rn = "PageGrain";
break;
default:
goto die;
}
break;
case 6:
switch (sel) {
case 0:
gen_op_mtc0_wired();
rn = "Wired";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf0();
rn = "SRSConf0";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf1();
rn = "SRSConf1";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf2();
rn = "SRSConf2";
break;
case 4:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf3();
rn = "SRSConf3";
break;
case 5:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf4();
rn = "SRSConf4";
break;
default:
goto die;
}
break;
case 7:
switch (sel) {
case 0:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_hwrena();
rn = "HWREna";
break;
default:
goto die;
}
break;
case 8:
/* ignored */
rn = "BadVAddr";
break;
case 9:
switch (sel) {
case 0:
gen_op_mtc0_count();
rn = "Count";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 10:
switch (sel) {
case 0:
gen_op_mtc0_entryhi();
rn = "EntryHi";
break;
default:
goto die;
}
break;
case 11:
switch (sel) {
case 0:
gen_op_mtc0_compare();
rn = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 12:
switch (sel) {
case 0:
gen_op_mtc0_status();
/* BS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->pc + 4);
ctx->bstate = BS_EXCP;
rn = "Status";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_intctl();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "IntCtl";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsctl();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "SRSCtl";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsmap();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "SRSMap";
break;
default:
goto die;
}
break;
case 13:
switch (sel) {
case 0:
gen_op_mtc0_cause();
rn = "Cause";
break;
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 14:
switch (sel) {
case 0:
gen_op_mtc0_epc();
rn = "EPC";
break;
default:
goto die;
}
break;
case 15:
switch (sel) {
case 0:
/* ignored */
rn = "PRid";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_ebase();
rn = "EBase";
break;
default:
goto die;
}
break;
case 16:
switch (sel) {
case 0:
gen_op_mtc0_config0();
rn = "Config";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 1:
/* ignored, read only */
rn = "Config1";
break;
case 2:
gen_op_mtc0_config2();
rn = "Config2";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 3:
/* ignored, read only */
rn = "Config3";
break;
/* 4,5 are reserved */
/* 6,7 are implementation dependent */
case 6:
/* ignored */
rn = "Config6";
break;
case 7:
/* ignored */
rn = "Config7";
break;
default:
rn = "Invalid config selector";
goto die;
}
break;
case 17:
switch (sel) {
case 0:
/* ignored */
rn = "LLAddr";
break;
default:
goto die;
}
break;
case 18:
switch (sel) {
case 0 ... 7:
gen_op_mtc0_watchlo(sel);
rn = "WatchLo";
break;
default:
goto die;
}
break;
case 19:
switch (sel) {
case 0 ... 7:
gen_op_mtc0_watchhi(sel);
rn = "WatchHi";
break;
default:
goto die;
}
break;
case 20:
switch (sel) {
case 0:
#if defined(TARGET_MIPS64)
check_insn(env, ctx, ISA_MIPS3);
gen_op_mtc0_xcontext();
rn = "XContext";
break;
#endif
default:
goto die;
}
break;
case 21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
switch (sel) {
case 0:
gen_op_mtc0_framemask();
rn = "Framemask";
break;
default:
goto die;
}
break;
case 22:
/* ignored */
rn = "Diagnostic"; /* implementation dependent */
break;
case 23:
switch (sel) {
case 0:
gen_op_mtc0_debug(); /* EJTAG support */
/* BS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->pc + 4);
ctx->bstate = BS_EXCP;
rn = "Debug";
break;
case 1:
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
rn = "TraceControl";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
// break;
case 2:
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
rn = "TraceControl2";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
// break;
case 3:
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
// gen_op_mtc0_usertracedata(); /* PDtrace support */
rn = "UserTraceData";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
// break;
case 4:
// gen_op_mtc0_debug(); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceBPC";
// break;
default:
goto die;
}
break;
case 24:
switch (sel) {
case 0:
gen_op_mtc0_depc(); /* EJTAG support */
rn = "DEPC";
break;
default:
goto die;
}
break;
case 25:
switch (sel) {
case 0:
gen_op_mtc0_performance0();
rn = "Performance0";
break;
case 1:
// gen_op_mtc0_performance1();
rn = "Performance1";
// break;
case 2:
// gen_op_mtc0_performance2();
rn = "Performance2";
// break;
case 3:
// gen_op_mtc0_performance3();
rn = "Performance3";
// break;
case 4:
// gen_op_mtc0_performance4();
rn = "Performance4";
// break;
case 5:
// gen_op_mtc0_performance5();
rn = "Performance5";
// break;
case 6:
// gen_op_mtc0_performance6();
rn = "Performance6";
// break;
case 7:
// gen_op_mtc0_performance7();
rn = "Performance7";
// break;
default:
goto die;
}
break;
case 26:
/* ignored */
rn = "ECC";
break;
case 27:
switch (sel) {
case 0 ... 3:
/* ignored */
rn = "CacheErr";
break;
default:
goto die;
}
break;
case 28:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
gen_op_mtc0_taglo();
rn = "TagLo";
break;
case 1:
case 3:
case 5:
case 7:
gen_op_mtc0_datalo();
rn = "DataLo";
break;
default:
goto die;
}
break;
case 29:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
gen_op_mtc0_taghi();
rn = "TagHi";
break;
case 1:
case 3:
case 5:
case 7:
gen_op_mtc0_datahi();
rn = "DataHi";
break;
default:
rn = "invalid sel";
goto die;
}
break;
case 30:
switch (sel) {
case 0:
gen_op_mtc0_errorepc();
rn = "ErrorEPC";
break;
default:
goto die;
}
break;
case 31:
switch (sel) {
case 0:
gen_op_mtc0_desave(); /* EJTAG support */
rn = "DESAVE";
break;
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
default:
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
return;
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
generate_exception(ctx, EXCP_RI);
}
#if defined(TARGET_MIPS64)
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
{
const char *rn = "invalid";
TCGv r_tmp = tcg_temp_new(TCG_TYPE_I32);
if (sel != 0)
check_insn(env, ctx, ISA_MIPS64);
switch (reg) {
case 0:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Index));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Index";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_mvpcontrol();
rn = "MVPControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_mvpconf0();
rn = "MVPConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_mvpconf1();
rn = "MVPConf1";
break;
default:
goto die;
}
break;
case 1:
switch (sel) {
case 0:
gen_op_mfc0_random();
rn = "Random";
break;
case 1:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEControl));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf1));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEConf1";
break;
case 4:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_YQMask));
rn = "YQMask";
break;
case 5:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_VPESchedule));
rn = "VPESchedule";
break;
case 6:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
rn = "VPEScheFBack";
break;
case 7:
check_insn(env, ctx, ASE_MT);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEOpt));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "VPEOpt";
break;
default:
goto die;
}
break;
case 2:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo0));
rn = "EntryLo0";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tcstatus();
rn = "TCStatus";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mfc0_tcbind();
rn = "TCBind";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_dmfc0_tcrestart();
rn = "TCRestart";
break;
case 4:
check_insn(env, ctx, ASE_MT);
gen_op_dmfc0_tchalt();
rn = "TCHalt";
break;
case 5:
check_insn(env, ctx, ASE_MT);
gen_op_dmfc0_tccontext();
rn = "TCContext";
break;
case 6:
check_insn(env, ctx, ASE_MT);
gen_op_dmfc0_tcschedule();
rn = "TCSchedule";
break;
case 7:
check_insn(env, ctx, ASE_MT);
gen_op_dmfc0_tcschefback();
rn = "TCScheFBack";
break;
default:
goto die;
}
break;
case 3:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo1));
rn = "EntryLo1";
break;
default:
goto die;
}
break;
case 4:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_Context));
rn = "Context";
break;
case 1:
// gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
rn = "ContextConfig";
// break;
default:
goto die;
}
break;
case 5:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageMask));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "PageMask";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageGrain));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "PageGrain";
break;
default:
goto die;
}
break;
case 6:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Wired));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Wired";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf0";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf1));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf1";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf2));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf2";
break;
case 4:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf3));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf3";
break;
case 5:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf4));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSConf4";
break;
default:
goto die;
}
break;
case 7:
switch (sel) {
case 0:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_HWREna));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "HWREna";
break;
default:
goto die;
}
break;
case 8:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_BadVAddr));
rn = "BadVAddr";
break;
default:
goto die;
}
break;
case 9:
switch (sel) {
case 0:
gen_op_mfc0_count();
rn = "Count";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
break;
case 10:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryHi));
rn = "EntryHi";
break;
default:
goto die;
}
break;
case 11:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Compare));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
break;
case 12:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Status));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Status";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_IntCtl));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "IntCtl";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSCtl";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSMap));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "SRSMap";
break;
default:
goto die;
}
break;
case 13:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Cause));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Cause";
break;
default:
goto die;
}
break;
case 14:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EPC));
rn = "EPC";
break;
default:
goto die;
}
break;
case 15:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PRid));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "PRid";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_EBase));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "EBase";
break;
default:
goto die;
}
break;
case 16:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config";
break;
case 1:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config1));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config1";
break;
case 2:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config2));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config2";
break;
case 3:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config3));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config3";
break;
/* 6,7 are implementation dependent */
case 6:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config6));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config6";
break;
case 7:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config7));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Config7";
break;
default:
goto die;
}
break;
case 17:
switch (sel) {
case 0:
gen_op_dmfc0_lladdr();
rn = "LLAddr";
break;
default:
goto die;
}
break;
case 18:
switch (sel) {
case 0 ... 7:
gen_op_dmfc0_watchlo(sel);
rn = "WatchLo";
break;
default:
goto die;
}
break;
case 19:
switch (sel) {
case 0 ... 7:
gen_op_mfc0_watchhi(sel);
rn = "WatchHi";
break;
default:
goto die;
}
break;
case 20:
switch (sel) {
case 0:
check_insn(env, ctx, ISA_MIPS3);
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_XContext));
rn = "XContext";
break;
default:
goto die;
}
break;
case 21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Framemask));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Framemask";
break;
default:
goto die;
}
break;
case 22:
/* ignored */
rn = "'Diagnostic"; /* implementation dependent */
break;
case 23:
switch (sel) {
case 0:
gen_op_mfc0_debug(); /* EJTAG support */
rn = "Debug";
break;
case 1:
// gen_op_dmfc0_tracecontrol(); /* PDtrace support */
rn = "TraceControl";
// break;
case 2:
// gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
rn = "TraceControl2";
// break;
case 3:
// gen_op_dmfc0_usertracedata(); /* PDtrace support */
rn = "UserTraceData";
// break;
case 4:
// gen_op_dmfc0_debug(); /* PDtrace support */
rn = "TraceBPC";
// break;
default:
goto die;
}
break;
case 24:
switch (sel) {
case 0:
/* EJTAG support */
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_DEPC));
rn = "DEPC";
break;
default:
goto die;
}
break;
case 25:
switch (sel) {
case 0:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Performance0));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "Performance0";
break;
case 1:
// gen_op_dmfc0_performance1();
rn = "Performance1";
// break;
case 2:
// gen_op_dmfc0_performance2();
rn = "Performance2";
// break;
case 3:
// gen_op_dmfc0_performance3();
rn = "Performance3";
// break;
case 4:
// gen_op_dmfc0_performance4();
rn = "Performance4";
// break;
case 5:
// gen_op_dmfc0_performance5();
rn = "Performance5";
// break;
case 6:
// gen_op_dmfc0_performance6();
rn = "Performance6";
// break;
case 7:
// gen_op_dmfc0_performance7();
rn = "Performance7";
// break;
default:
goto die;
}
break;
case 26:
rn = "ECC";
break;
case 27:
switch (sel) {
/* ignored */
case 0 ... 3:
rn = "CacheErr";
break;
default:
goto die;
}
break;
case 28:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagLo));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "TagLo";
break;
case 1:
case 3:
case 5:
case 7:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataLo));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "DataLo";
break;
default:
goto die;
}
break;
case 29:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagHi));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "TagHi";
break;
case 1:
case 3:
case 5:
case 7:
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataHi));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "DataHi";
break;
default:
goto die;
}
break;
case 30:
switch (sel) {
case 0:
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_ErrorEPC));
rn = "ErrorEPC";
break;
default:
goto die;
}
break;
case 31:
switch (sel) {
case 0:
/* EJTAG support */
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DESAVE));
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
rn = "DESAVE";
break;
default:
goto die;
}
break;
default:
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
return;
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
generate_exception(ctx, EXCP_RI);
}
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, int reg, int sel)
{
const char *rn = "invalid";
if (sel != 0)
check_insn(env, ctx, ISA_MIPS64);
switch (reg) {
case 0:
switch (sel) {
case 0:
gen_op_mtc0_index();
rn = "Index";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_mvpcontrol();
rn = "MVPControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
/* ignored */
rn = "MVPConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
/* ignored */
rn = "MVPConf1";
break;
default:
goto die;
}
break;
case 1:
switch (sel) {
case 0:
/* ignored */
rn = "Random";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpecontrol();
rn = "VPEControl";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeconf0();
rn = "VPEConf0";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeconf1();
rn = "VPEConf1";
break;
case 4:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_yqmask();
rn = "YQMask";
break;
case 5:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeschedule();
rn = "VPESchedule";
break;
case 6:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeschefback();
rn = "VPEScheFBack";
break;
case 7:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_vpeopt();
rn = "VPEOpt";
break;
default:
goto die;
}
break;
case 2:
switch (sel) {
case 0:
gen_op_mtc0_entrylo0();
rn = "EntryLo0";
break;
case 1:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcstatus();
rn = "TCStatus";
break;
case 2:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcbind();
rn = "TCBind";
break;
case 3:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcrestart();
rn = "TCRestart";
break;
case 4:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tchalt();
rn = "TCHalt";
break;
case 5:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tccontext();
rn = "TCContext";
break;
case 6:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcschedule();
rn = "TCSchedule";
break;
case 7:
check_insn(env, ctx, ASE_MT);
gen_op_mtc0_tcschefback();
rn = "TCScheFBack";
break;
default:
goto die;
}
break;
case 3:
switch (sel) {
case 0:
gen_op_mtc0_entrylo1();
rn = "EntryLo1";
break;
default:
goto die;
}
break;
case 4:
switch (sel) {
case 0:
gen_op_mtc0_context();
rn = "Context";
break;
case 1:
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
rn = "ContextConfig";
// break;
default:
goto die;
}
break;
case 5:
switch (sel) {
case 0:
gen_op_mtc0_pagemask();
rn = "PageMask";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_pagegrain();
rn = "PageGrain";
break;
default:
goto die;
}
break;
case 6:
switch (sel) {
case 0:
gen_op_mtc0_wired();
rn = "Wired";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf0();
rn = "SRSConf0";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf1();
rn = "SRSConf1";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf2();
rn = "SRSConf2";
break;
case 4:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf3();
rn = "SRSConf3";
break;
case 5:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsconf4();
rn = "SRSConf4";
break;
default:
goto die;
}
break;
case 7:
switch (sel) {
case 0:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_hwrena();
rn = "HWREna";
break;
default:
goto die;
}
break;
case 8:
/* ignored */
rn = "BadVAddr";
break;
case 9:
switch (sel) {
case 0:
gen_op_mtc0_count();
rn = "Count";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 10:
switch (sel) {
case 0:
gen_op_mtc0_entryhi();
rn = "EntryHi";
break;
default:
goto die;
}
break;
case 11:
switch (sel) {
case 0:
gen_op_mtc0_compare();
rn = "Compare";
break;
/* 6,7 are implementation dependent */
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 12:
switch (sel) {
case 0:
gen_op_mtc0_status();
/* BS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->pc + 4);
ctx->bstate = BS_EXCP;
rn = "Status";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_intctl();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "IntCtl";
break;
case 2:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsctl();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "SRSCtl";
break;
case 3:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_srsmap();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "SRSMap";
break;
default:
goto die;
}
break;
case 13:
switch (sel) {
case 0:
gen_op_mtc0_cause();
rn = "Cause";
break;
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 14:
switch (sel) {
case 0:
gen_op_mtc0_epc();
rn = "EPC";
break;
default:
goto die;
}
break;
case 15:
switch (sel) {
case 0:
/* ignored */
rn = "PRid";
break;
case 1:
check_insn(env, ctx, ISA_MIPS32R2);
gen_op_mtc0_ebase();
rn = "EBase";
break;
default:
goto die;
}
break;
case 16:
switch (sel) {
case 0:
gen_op_mtc0_config0();
rn = "Config";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 1:
/* ignored */
rn = "Config1";
break;
case 2:
gen_op_mtc0_config2();
rn = "Config2";
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case 3:
/* ignored */
rn = "Config3";
break;
/* 6,7 are implementation dependent */
default:
rn = "Invalid config selector";
goto die;
}
break;
case 17:
switch (sel) {
case 0:
/* ignored */
rn = "LLAddr";
break;
default:
goto die;
}
break;
case 18:
switch (sel) {
case 0 ... 7:
gen_op_mtc0_watchlo(sel);
rn = "WatchLo";
break;
default:
goto die;
}
break;
case 19:
switch (sel) {
case 0 ... 7:
gen_op_mtc0_watchhi(sel);
rn = "WatchHi";
break;
default:
goto die;
}
break;
case 20:
switch (sel) {
case 0:
check_insn(env, ctx, ISA_MIPS3);
gen_op_mtc0_xcontext();
rn = "XContext";
break;
default:
goto die;
}
break;
case 21:
/* Officially reserved, but sel 0 is used for R1x000 framemask */
switch (sel) {
case 0:
gen_op_mtc0_framemask();
rn = "Framemask";
break;
default:
goto die;
}
break;
case 22:
/* ignored */
rn = "Diagnostic"; /* implementation dependent */
break;
case 23:
switch (sel) {
case 0:
gen_op_mtc0_debug(); /* EJTAG support */
/* BS_STOP isn't good enough here, hflags may have changed. */
gen_save_pc(ctx->pc + 4);
ctx->bstate = BS_EXCP;
rn = "Debug";
break;
case 1:
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceControl";
// break;
case 2:
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceControl2";
// break;
case 3:
// gen_op_mtc0_usertracedata(); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "UserTraceData";
// break;
case 4:
// gen_op_mtc0_debug(); /* PDtrace support */
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
rn = "TraceBPC";
// break;
default:
goto die;
}
break;
case 24:
switch (sel) {
case 0:
gen_op_mtc0_depc(); /* EJTAG support */
rn = "DEPC";
break;
default:
goto die;
}
break;
case 25:
switch (sel) {
case 0:
gen_op_mtc0_performance0();
rn = "Performance0";
break;
case 1:
// gen_op_mtc0_performance1();
rn = "Performance1";
// break;
case 2:
// gen_op_mtc0_performance2();
rn = "Performance2";
// break;
case 3:
// gen_op_mtc0_performance3();
rn = "Performance3";
// break;
case 4:
// gen_op_mtc0_performance4();
rn = "Performance4";
// break;
case 5:
// gen_op_mtc0_performance5();
rn = "Performance5";
// break;
case 6:
// gen_op_mtc0_performance6();
rn = "Performance6";
// break;
case 7:
// gen_op_mtc0_performance7();
rn = "Performance7";
// break;
default:
goto die;
}
break;
case 26:
/* ignored */
rn = "ECC";
break;
case 27:
switch (sel) {
case 0 ... 3:
/* ignored */
rn = "CacheErr";
break;
default:
goto die;
}
break;
case 28:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
gen_op_mtc0_taglo();
rn = "TagLo";
break;
case 1:
case 3:
case 5:
case 7:
gen_op_mtc0_datalo();
rn = "DataLo";
break;
default:
goto die;
}
break;
case 29:
switch (sel) {
case 0:
case 2:
case 4:
case 6:
gen_op_mtc0_taghi();
rn = "TagHi";
break;
case 1:
case 3:
case 5:
case 7:
gen_op_mtc0_datahi();
rn = "DataHi";
break;
default:
rn = "invalid sel";
goto die;
}
break;
case 30:
switch (sel) {
case 0:
gen_op_mtc0_errorepc();
rn = "ErrorEPC";
break;
default:
goto die;
}
break;
case 31:
switch (sel) {
case 0:
gen_op_mtc0_desave(); /* EJTAG support */
rn = "DESAVE";
break;
default:
goto die;
}
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
default:
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
return;
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
rn, reg, sel);
}
#endif
generate_exception(ctx, EXCP_RI);
}
#endif /* TARGET_MIPS64 */
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt,
int u, int sel, int h)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
tcg_gen_movi_tl(cpu_T[0], -1);
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
tcg_gen_movi_tl(cpu_T[0], -1);
else if (u == 0) {
switch (rt) {
case 2:
switch (sel) {
case 1:
gen_op_mftc0_tcstatus();
break;
case 2:
gen_op_mftc0_tcbind();
break;
case 3:
gen_op_mftc0_tcrestart();
break;
case 4:
gen_op_mftc0_tchalt();
break;
case 5:
gen_op_mftc0_tccontext();
break;
case 6:
gen_op_mftc0_tcschedule();
break;
case 7:
gen_op_mftc0_tcschefback();
break;
default:
gen_mfc0(env, ctx, rt, sel);
break;
}
break;
case 10:
switch (sel) {
case 0:
gen_op_mftc0_entryhi();
break;
default:
gen_mfc0(env, ctx, rt, sel);
break;
}
case 12:
switch (sel) {
case 0:
gen_op_mftc0_status();
break;
default:
gen_mfc0(env, ctx, rt, sel);
break;
}
case 23:
switch (sel) {
case 0:
gen_op_mftc0_debug();
break;
default:
gen_mfc0(env, ctx, rt, sel);
break;
}
break;
default:
gen_mfc0(env, ctx, rt, sel);
}
} else switch (sel) {
/* GPR registers. */
case 0:
gen_op_mftgpr(rt);
break;
/* Auxiliary CPU registers */
case 1:
switch (rt) {
case 0:
gen_op_mftlo(0);
break;
case 1:
gen_op_mfthi(0);
break;
case 2:
gen_op_mftacx(0);
break;
case 4:
gen_op_mftlo(1);
break;
case 5:
gen_op_mfthi(1);
break;
case 6:
gen_op_mftacx(1);
break;
case 8:
gen_op_mftlo(2);
break;
case 9:
gen_op_mfthi(2);
break;
case 10:
gen_op_mftacx(2);
break;
case 12:
gen_op_mftlo(3);
break;
case 13:
gen_op_mfthi(3);
break;
case 14:
gen_op_mftacx(3);
break;
case 16:
gen_op_mftdsp();
break;
default:
goto die;
}
break;
/* Floating point (COP1). */
case 2:
/* XXX: For now we support only a single FPU context. */
if (h == 0) {
GEN_LOAD_FREG_FTN(WT0, rt);
gen_op_mfc1();
} else {
GEN_LOAD_FREG_FTN(WTH0, rt);
gen_op_mfhc1();
}
break;
case 3:
/* XXX: For now we support only a single FPU context. */
gen_op_cfc1(rt);
break;
/* COP2: Not implemented. */
case 4:
case 5:
/* fall through */
default:
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
rt, u, sel, h);
}
#endif
return;
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
rt, u, sel, h);
}
#endif
generate_exception(ctx, EXCP_RI);
}
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd,
int u, int sel, int h)
{
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
(env->CP0_TCBind[env->current_tc] & (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 2:
switch (sel) {
case 1:
gen_op_mttc0_tcstatus();
break;
case 2:
gen_op_mttc0_tcbind();
break;
case 3:
gen_op_mttc0_tcrestart();
break;
case 4:
gen_op_mttc0_tchalt();
break;
case 5:
gen_op_mttc0_tccontext();
break;
case 6:
gen_op_mttc0_tcschedule();
break;
case 7:
gen_op_mttc0_tcschefback();
break;
default:
gen_mtc0(env, ctx, rd, sel);
break;
}
break;
case 10:
switch (sel) {
case 0:
gen_op_mttc0_entryhi();
break;
default:
gen_mtc0(env, ctx, rd, sel);
break;
}
case 12:
switch (sel) {
case 0:
gen_op_mttc0_status();
break;
default:
gen_mtc0(env, ctx, rd, sel);
break;
}
case 23:
switch (sel) {
case 0:
gen_op_mttc0_debug();
break;
default:
gen_mtc0(env, ctx, rd, sel);
break;
}
break;
default:
gen_mtc0(env, ctx, rd, sel);
}
} else switch (sel) {
/* GPR registers. */
case 0:
gen_op_mttgpr(rd);
break;
/* Auxiliary CPU registers */
case 1:
switch (rd) {
case 0:
gen_op_mttlo(0);
break;
case 1:
gen_op_mtthi(0);
break;
case 2:
gen_op_mttacx(0);
break;
case 4:
gen_op_mttlo(1);
break;
case 5:
gen_op_mtthi(1);
break;
case 6:
gen_op_mttacx(1);
break;
case 8:
gen_op_mttlo(2);
break;
case 9:
gen_op_mtthi(2);
break;
case 10:
gen_op_mttacx(2);
break;
case 12:
gen_op_mttlo(3);
break;
case 13:
gen_op_mtthi(3);
break;
case 14:
gen_op_mttacx(3);
break;
case 16:
gen_op_mttdsp();
break;
default:
goto die;
}
break;
/* Floating point (COP1). */
case 2:
/* XXX: For now we support only a single FPU context. */
if (h == 0) {
gen_op_mtc1();
GEN_STORE_FTN_FREG(rd, WT0);
} else {
gen_op_mthc1();
GEN_STORE_FTN_FREG(rd, WTH0);
}
break;
case 3:
/* XXX: For now we support only a single FPU context. */
gen_op_ctc1(rd);
break;
/* COP2: Not implemented. */
case 4:
case 5:
/* fall through */
default:
goto die;
}
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
rd, u, sel, h);
}
#endif
return;
die:
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
rd, u, sel, h);
}
#endif
generate_exception(ctx, EXCP_RI);
}
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
{
const char *opn = "ldst";
switch (opc) {
case OPC_MFC0:
if (rt == 0) {
/* Treat as NOP. */
return;
}
gen_mfc0(env, ctx, rd, ctx->opcode & 0x7);
gen_store_gpr(cpu_T[0], rt);
opn = "mfc0";
break;
case OPC_MTC0:
gen_load_gpr(cpu_T[0], rt);
save_cpu_state(ctx, 1);
gen_mtc0(env, ctx, rd, ctx->opcode & 0x7);
opn = "mtc0";
break;
#if defined(TARGET_MIPS64)
case OPC_DMFC0:
check_insn(env, ctx, ISA_MIPS3);
if (rt == 0) {
/* Treat as NOP. */
return;
}
gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7);
gen_store_gpr(cpu_T[0], rt);
opn = "dmfc0";
break;
case OPC_DMTC0:
check_insn(env, ctx, ISA_MIPS3);
gen_load_gpr(cpu_T[0], rt);
save_cpu_state(ctx, 1);
gen_dmtc0(env, ctx, rd, ctx->opcode & 0x7);
opn = "dmtc0";
break;
#endif
case OPC_MFTR:
check_insn(env, ctx, ASE_MT);
if (rd == 0) {
/* Treat as NOP. */
return;
}
gen_mftr(env, ctx, rt, (ctx->opcode >> 5) & 1,
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
gen_store_gpr(cpu_T[0], rd);
opn = "mftr";
break;
case OPC_MTTR:
check_insn(env, ctx, ASE_MT);
gen_load_gpr(cpu_T[0], rt);
gen_mttr(env, ctx, rd, (ctx->opcode >> 5) & 1,
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
opn = "mttr";
break;
case OPC_TLBWI:
opn = "tlbwi";
if (!env->tlb->do_tlbwi)
goto die;
gen_op_tlbwi();
break;
case OPC_TLBWR:
opn = "tlbwr";
if (!env->tlb->do_tlbwr)
goto die;
gen_op_tlbwr();
break;
case OPC_TLBP:
opn = "tlbp";
if (!env->tlb->do_tlbp)
goto die;
gen_op_tlbp();
break;
case OPC_TLBR:
opn = "tlbr";
if (!env->tlb->do_tlbr)
goto die;
gen_op_tlbr();
break;
case OPC_ERET:
opn = "eret";
check_insn(env, ctx, ISA_MIPS2);
save_cpu_state(ctx, 1);
gen_op_eret();
ctx->bstate = BS_EXCP;
break;
case OPC_DERET:
opn = "deret";
check_insn(env, ctx, ISA_MIPS32);
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
} else {
save_cpu_state(ctx, 1);
gen_op_deret();
ctx->bstate = BS_EXCP;
}
break;
case OPC_WAIT:
opn = "wait";
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
/* If we get an exception, we want to restart at next instruction */
ctx->pc += 4;
save_cpu_state(ctx, 1);
ctx->pc -= 4;
gen_op_wait();
ctx->bstate = BS_EXCP;
break;
default:
die:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
}
/* CP1 Branches (before delay slot) */
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op,
int32_t cc, int32_t offset)
{
target_ulong btarget;
const char *opn = "cp1 cond branch";
if (cc != 0)
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
btarget = ctx->pc + 4 + offset;
switch (op) {
case OPC_BC1F:
gen_op_bc1f(cc);
opn = "bc1f";
goto not_likely;
case OPC_BC1FL:
gen_op_bc1f(cc);
opn = "bc1fl";
goto likely;
case OPC_BC1T:
gen_op_bc1t(cc);
opn = "bc1t";
goto not_likely;
case OPC_BC1TL:
gen_op_bc1t(cc);
opn = "bc1tl";
likely:
ctx->hflags |= MIPS_HFLAG_BL;
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
break;
case OPC_BC1FANY2:
gen_op_bc1any2f(cc);
opn = "bc1any2f";
goto not_likely;
case OPC_BC1TANY2:
gen_op_bc1any2t(cc);
opn = "bc1any2t";
goto not_likely;
case OPC_BC1FANY4:
gen_op_bc1any4f(cc);
opn = "bc1any4f";
goto not_likely;
case OPC_BC1TANY4:
gen_op_bc1any4t(cc);
opn = "bc1any4t";
not_likely:
ctx->hflags |= MIPS_HFLAG_BC;
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
break;
default:
MIPS_INVAL(opn);
generate_exception (ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
ctx->hflags, btarget);
ctx->btarget = btarget;
}
/* Coprocessor 1 (FPU) */
#define FOP(func, fmt) (((fmt) << 21) | (func))
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
{
const char *opn = "cp1 move";
switch (opc) {
case OPC_MFC1:
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_mfc1();
gen_store_gpr(cpu_T[0], rt);
opn = "mfc1";
break;
case OPC_MTC1:
gen_load_gpr(cpu_T[0], rt);
gen_op_mtc1();
GEN_STORE_FTN_FREG(fs, WT0);
opn = "mtc1";
break;
case OPC_CFC1:
gen_op_cfc1(fs);
gen_store_gpr(cpu_T[0], rt);
opn = "cfc1";
break;
case OPC_CTC1:
gen_load_gpr(cpu_T[0], rt);
gen_op_ctc1(fs);
opn = "ctc1";
break;
case OPC_DMFC1:
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_dmfc1();
gen_store_gpr(cpu_T[0], rt);
opn = "dmfc1";
break;
case OPC_DMTC1:
gen_load_gpr(cpu_T[0], rt);
gen_op_dmtc1();
GEN_STORE_FTN_FREG(fs, DT0);
opn = "dmtc1";
break;
case OPC_MFHC1:
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_mfhc1();
gen_store_gpr(cpu_T[0], rt);
opn = "mfhc1";
break;
case OPC_MTHC1:
gen_load_gpr(cpu_T[0], rt);
gen_op_mthc1();
GEN_STORE_FTN_FREG(fs, WTH0);
opn = "mthc1";
break;
default:
MIPS_INVAL(opn);
generate_exception (ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
}
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
{
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR);
TCGv r_tmp = new_tmp();
TCGv t0 = tcg_temp_new(TCG_TYPE_TL);
TCGv t1 = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
uint32_t ccbit;
TCGCond cond;
if (cc)
ccbit = 1 << (24 + cc);
else
ccbit = 1 << 23;
if (tf)
cond = TCG_COND_NE;
else
cond = TCG_COND_EQ;
gen_load_gpr(t0, rd);
gen_load_gpr(t1, rs);
tcg_gen_ld_ptr(r_ptr, cpu_env, offsetof(CPUState, fpu));
tcg_gen_ld_i32(r_tmp, r_ptr, offsetof(CPUMIPSFPUContext, fcr31));
tcg_gen_andi_i32(r_tmp, r_tmp, ccbit);
tcg_gen_brcondi_i32(cond, r_tmp, 0, l1);
tcg_gen_mov_tl(t0, t1);
gen_set_label(l1);
dead_tmp(r_tmp);
gen_store_gpr(t0, rd);
}
#define GEN_MOVCF(fmt) \
static void glue(gen_movcf_, fmt) (DisasContext *ctx, int cc, int tf) \
{ \
uint32_t ccbit; \
\
if (cc) { \
ccbit = 1 << (24 + cc); \
} else \
ccbit = 1 << 23; \
if (!tf) \
glue(gen_op_float_movf_, fmt)(ccbit); \
else \
glue(gen_op_float_movt_, fmt)(ccbit); \
}
GEN_MOVCF(d);
GEN_MOVCF(s);
GEN_MOVCF(ps);
#undef GEN_MOVCF
static void gen_farith (DisasContext *ctx, uint32_t op1,
int ft, int fs, int fd, int cc)
{
const char *opn = "farith";
const char *condnames[] = {
"c.f",
"c.un",
"c.eq",
"c.ueq",
"c.olt",
"c.ult",
"c.ole",
"c.ule",
"c.sf",
"c.ngle",
"c.seq",
"c.ngl",
"c.lt",
"c.nge",
"c.le",
"c.ngt",
};
const char *condnames_abs[] = {
"cabs.f",
"cabs.un",
"cabs.eq",
"cabs.ueq",
"cabs.olt",
"cabs.ult",
"cabs.ole",
"cabs.ule",
"cabs.sf",
"cabs.ngle",
"cabs.seq",
"cabs.ngl",
"cabs.lt",
"cabs.nge",
"cabs.le",
"cabs.ngt",
};
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
uint32_t func = ctx->opcode & 0x3f;
switch (ctx->opcode & FOP(0x3f, 0x1f)) {
case FOP(0, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
gen_op_float_add_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "add.s";
optype = BINOP;
break;
case FOP(1, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
gen_op_float_sub_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "sub.s";
optype = BINOP;
break;
case FOP(2, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
gen_op_float_mul_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "mul.s";
optype = BINOP;
break;
case FOP(3, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
gen_op_float_div_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "div.s";
optype = BINOP;
break;
case FOP(4, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_sqrt_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "sqrt.s";
break;
case FOP(5, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_abs_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "abs.s";
break;
case FOP(6, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_mov_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "mov.s";
break;
case FOP(7, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_chs_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "neg.s";
break;
case FOP(8, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_roundl_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "round.l.s";
break;
case FOP(9, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_truncl_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "trunc.l.s";
break;
case FOP(10, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_ceill_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "ceil.l.s";
break;
case FOP(11, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_floorl_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "floor.l.s";
break;
case FOP(12, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_roundw_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "round.w.s";
break;
case FOP(13, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_truncw_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "trunc.w.s";
break;
case FOP(14, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_ceilw_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "ceil.w.s";
break;
case FOP(15, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_floorw_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "floor.w.s";
break;
case FOP(17, 16):
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
gen_movcf_s(ctx, (ft >> 2) & 0x7, ft & 0x1);
GEN_STORE_FTN_FREG(fd, WT2);
opn = "movcf.s";
break;
case FOP(18, 16):
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
gen_op_float_movz_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "movz.s";
break;
case FOP(19, 16):
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
gen_op_float_movn_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "movn.s";
break;
case FOP(21, 16):
check_cop1x(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_recip_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "recip.s";
break;
case FOP(22, 16):
check_cop1x(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_rsqrt_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "rsqrt.s";
break;
case FOP(28, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
gen_op_float_recip2_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "recip2.s";
break;
case FOP(29, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_recip1_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "recip1.s";
break;
case FOP(30, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_rsqrt1_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "rsqrt1.s";
break;
case FOP(31, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT2, ft);
gen_op_float_rsqrt2_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "rsqrt2.s";
break;
case FOP(33, 16):
check_cp1_registers(ctx, fd);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvtd_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "cvt.d.s";
break;
case FOP(36, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvtw_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.w.s";
break;
case FOP(37, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvtl_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "cvt.l.s";
break;
case FOP(38, 16):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT1, fs);
GEN_LOAD_FREG_FTN(WT0, ft);
gen_op_float_cvtps_s();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "cvt.ps.s";
break;
case FOP(48, 16):
case FOP(49, 16):
case FOP(50, 16):
case FOP(51, 16):
case FOP(52, 16):
case FOP(53, 16):
case FOP(54, 16):
case FOP(55, 16):
case FOP(56, 16):
case FOP(57, 16):
case FOP(58, 16):
case FOP(59, 16):
case FOP(60, 16):
case FOP(61, 16):
case FOP(62, 16):
case FOP(63, 16):
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
if (ctx->opcode & (1 << 6)) {
check_cop1x(ctx);
gen_cmpabs_s(func-48, cc);
opn = condnames_abs[func-48];
} else {
gen_cmp_s(func-48, cc);
opn = condnames[func-48];
}
break;
case FOP(0, 17):
check_cp1_registers(ctx, fs | ft | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
gen_op_float_add_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "add.d";
optype = BINOP;
break;
case FOP(1, 17):
check_cp1_registers(ctx, fs | ft | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
gen_op_float_sub_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "sub.d";
optype = BINOP;
break;
case FOP(2, 17):
check_cp1_registers(ctx, fs | ft | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
gen_op_float_mul_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "mul.d";
optype = BINOP;
break;
case FOP(3, 17):
check_cp1_registers(ctx, fs | ft | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
gen_op_float_div_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "div.d";
optype = BINOP;
break;
case FOP(4, 17):
check_cp1_registers(ctx, fs | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_sqrt_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "sqrt.d";
break;
case FOP(5, 17):
check_cp1_registers(ctx, fs | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_abs_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "abs.d";
break;
case FOP(6, 17):
check_cp1_registers(ctx, fs | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_mov_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "mov.d";
break;
case FOP(7, 17):
check_cp1_registers(ctx, fs | fd);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_chs_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "neg.d";
break;
case FOP(8, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_roundl_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "round.l.d";
break;
case FOP(9, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_truncl_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "trunc.l.d";
break;
case FOP(10, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_ceill_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "ceil.l.d";
break;
case FOP(11, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_floorl_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "floor.l.d";
break;
case FOP(12, 17):
check_cp1_registers(ctx, fs);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_roundw_d();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "round.w.d";
break;
case FOP(13, 17):
check_cp1_registers(ctx, fs);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_truncw_d();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "trunc.w.d";
break;
case FOP(14, 17):
check_cp1_registers(ctx, fs);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_ceilw_d();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "ceil.w.d";
break;
case FOP(15, 17):
check_cp1_registers(ctx, fs);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_floorw_d();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "floor.w.d";
break;
case FOP(17, 17):
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT2, fd);
gen_movcf_d(ctx, (ft >> 2) & 0x7, ft & 0x1);
GEN_STORE_FTN_FREG(fd, DT2);
opn = "movcf.d";
break;
case FOP(18, 17):
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT2, fd);
gen_op_float_movz_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "movz.d";
break;
case FOP(19, 17):
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT2, fd);
gen_op_float_movn_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "movn.d";
break;
case FOP(21, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_recip_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "recip.d";
break;
case FOP(22, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_rsqrt_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "rsqrt.d";
break;
case FOP(28, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT2, ft);
gen_op_float_recip2_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "recip2.d";
break;
case FOP(29, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_recip1_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "recip1.d";
break;
case FOP(30, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_rsqrt1_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "rsqrt1.d";
break;
case FOP(31, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT2, ft);
gen_op_float_rsqrt2_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "rsqrt2.d";
break;
case FOP(48, 17):
case FOP(49, 17):
case FOP(50, 17):
case FOP(51, 17):
case FOP(52, 17):
case FOP(53, 17):
case FOP(54, 17):
case FOP(55, 17):
case FOP(56, 17):
case FOP(57, 17):
case FOP(58, 17):
case FOP(59, 17):
case FOP(60, 17):
case FOP(61, 17):
case FOP(62, 17):
case FOP(63, 17):
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
if (ctx->opcode & (1 << 6)) {
check_cop1x(ctx);
check_cp1_registers(ctx, fs | ft);
gen_cmpabs_d(func-48, cc);
opn = condnames_abs[func-48];
} else {
check_cp1_registers(ctx, fs | ft);
gen_cmp_d(func-48, cc);
opn = condnames[func-48];
}
break;
case FOP(32, 17):
check_cp1_registers(ctx, fs);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_cvts_d();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.s.d";
break;
case FOP(36, 17):
check_cp1_registers(ctx, fs);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_cvtw_d();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.w.d";
break;
case FOP(37, 17):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_cvtl_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "cvt.l.d";
break;
case FOP(32, 20):
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvts_w();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.s.w";
break;
case FOP(33, 20):
check_cp1_registers(ctx, fd);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvtd_w();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "cvt.d.w";
break;
case FOP(32, 21):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_cvts_l();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.s.l";
break;
case FOP(33, 21):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
gen_op_float_cvtd_l();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "cvt.d.l";
break;
case FOP(38, 20):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_cvtps_pw();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "cvt.ps.pw";
break;
case FOP(0, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
gen_op_float_add_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "add.ps";
break;
case FOP(1, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
gen_op_float_sub_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "sub.ps";
break;
case FOP(2, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
gen_op_float_mul_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "mul.ps";
break;
case FOP(5, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_abs_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "abs.ps";
break;
case FOP(6, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_mov_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "mov.ps";
break;
case FOP(7, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_chs_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "neg.ps";
break;
case FOP(17, 22):
check_cp1_64bitmode(ctx);
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
GEN_LOAD_FREG_FTN(WTH2, fd);
gen_movcf_ps(ctx, (ft >> 2) & 0x7, ft & 0x1);
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "movcf.ps";
break;
case FOP(18, 22):
check_cp1_64bitmode(ctx);
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
GEN_LOAD_FREG_FTN(WTH2, fd);
gen_op_float_movz_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "movz.ps";
break;
case FOP(19, 22):
check_cp1_64bitmode(ctx);
gen_load_gpr(cpu_T[0], ft);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
GEN_LOAD_FREG_FTN(WTH2, fd);
gen_op_float_movn_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "movn.ps";
break;
case FOP(24, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, ft);
GEN_LOAD_FREG_FTN(WTH0, ft);
GEN_LOAD_FREG_FTN(WT1, fs);
GEN_LOAD_FREG_FTN(WTH1, fs);
gen_op_float_addr_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "addr.ps";
break;
case FOP(26, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, ft);
GEN_LOAD_FREG_FTN(WTH0, ft);
GEN_LOAD_FREG_FTN(WT1, fs);
GEN_LOAD_FREG_FTN(WTH1, fs);
gen_op_float_mulr_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "mulr.ps";
break;
case FOP(28, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT2, fd);
GEN_LOAD_FREG_FTN(WTH2, fd);
gen_op_float_recip2_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "recip2.ps";
break;
case FOP(29, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_recip1_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "recip1.ps";
break;
case FOP(30, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_rsqrt1_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "rsqrt1.ps";
break;
case FOP(31, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT2, ft);
GEN_LOAD_FREG_FTN(WTH2, ft);
gen_op_float_rsqrt2_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "rsqrt2.ps";
break;
case FOP(32, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_cvts_pu();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.s.pu";
break;
case FOP(36, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
gen_op_float_cvtpw_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "cvt.pw.ps";
break;
case FOP(40, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
gen_op_float_cvts_pl();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "cvt.s.pl";
break;
case FOP(44, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
gen_op_float_pll_ps();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "pll.ps";
break;
case FOP(45, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH1, ft);
gen_op_float_plu_ps();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "plu.ps";
break;
case FOP(46, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
gen_op_float_pul_ps();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "pul.ps";
break;
case FOP(47, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WTH1, ft);
gen_op_float_puu_ps();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "puu.ps";
break;
case FOP(48, 22):
case FOP(49, 22):
case FOP(50, 22):
case FOP(51, 22):
case FOP(52, 22):
case FOP(53, 22):
case FOP(54, 22):
case FOP(55, 22):
case FOP(56, 22):
case FOP(57, 22):
case FOP(58, 22):
case FOP(59, 22):
case FOP(60, 22):
case FOP(61, 22):
case FOP(62, 22):
case FOP(63, 22):
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
if (ctx->opcode & (1 << 6)) {
gen_cmpabs_ps(func-48, cc);
opn = condnames_abs[func-48];
} else {
gen_cmp_ps(func-48, cc);
opn = condnames[func-48];
}
break;
default:
MIPS_INVAL(opn);
generate_exception (ctx, EXCP_RI);
return;
}
switch (optype) {
case BINOP:
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
break;
case CMPOP:
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
break;
default:
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
break;
}
}
/* Coprocessor 3 (FPU) */
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
int fd, int fs, int base, int index)
{
const char *opn = "extended float load/store";
int store = 0;
if (base == 0) {
gen_load_gpr(cpu_T[0], index);
} else if (index == 0) {
gen_load_gpr(cpu_T[0], base);
} else {
gen_load_gpr(cpu_T[0], base);
gen_load_gpr(cpu_T[1], index);
gen_op_addr_add();
}
/* Don't do NOP if destination is zero: we must perform the actual
memory access. */
switch (opc) {
case OPC_LWXC1:
check_cop1x(ctx);
op_ldst_lwc1(ctx);
GEN_STORE_FTN_FREG(fd, WT0);
opn = "lwxc1";
break;
case OPC_LDXC1:
check_cop1x(ctx);
check_cp1_registers(ctx, fd);
op_ldst_ldc1(ctx);
GEN_STORE_FTN_FREG(fd, DT0);
opn = "ldxc1";
break;
case OPC_LUXC1:
check_cp1_64bitmode(ctx);
op_ldst(luxc1);
GEN_STORE_FTN_FREG(fd, DT0);
opn = "luxc1";
break;
case OPC_SWXC1:
check_cop1x(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
op_ldst_swc1(ctx);
opn = "swxc1";
store = 1;
break;
case OPC_SDXC1:
check_cop1x(ctx);
check_cp1_registers(ctx, fs);
GEN_LOAD_FREG_FTN(DT0, fs);
op_ldst_sdc1(ctx);
opn = "sdxc1";
store = 1;
break;
case OPC_SUXC1:
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(DT0, fs);
op_ldst(suxc1);
opn = "suxc1";
store = 1;
break;
default:
MIPS_INVAL(opn);
generate_exception(ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
regnames[index], regnames[base]);
}
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
int fd, int fr, int fs, int ft)
{
const char *opn = "flt3_arith";
switch (opc) {
case OPC_ALNV_PS:
check_cp1_64bitmode(ctx);
gen_load_gpr(cpu_T[0], fr);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
gen_op_float_alnv_ps();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "alnv.ps";
break;
case OPC_MADD_S:
check_cop1x(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
gen_op_float_muladd_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "madd.s";
break;
case OPC_MADD_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
GEN_LOAD_FREG_FTN(DT2, fr);
gen_op_float_muladd_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "madd.d";
break;
case OPC_MADD_PS:
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
GEN_LOAD_FREG_FTN(WTH2, fr);
gen_op_float_muladd_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "madd.ps";
break;
case OPC_MSUB_S:
check_cop1x(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
gen_op_float_mulsub_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "msub.s";
break;
case OPC_MSUB_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
GEN_LOAD_FREG_FTN(DT2, fr);
gen_op_float_mulsub_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "msub.d";
break;
case OPC_MSUB_PS:
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
GEN_LOAD_FREG_FTN(WTH2, fr);
gen_op_float_mulsub_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "msub.ps";
break;
case OPC_NMADD_S:
check_cop1x(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
gen_op_float_nmuladd_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "nmadd.s";
break;
case OPC_NMADD_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
GEN_LOAD_FREG_FTN(DT2, fr);
gen_op_float_nmuladd_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "nmadd.d";
break;
case OPC_NMADD_PS:
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
GEN_LOAD_FREG_FTN(WTH2, fr);
gen_op_float_nmuladd_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "nmadd.ps";
break;
case OPC_NMSUB_S:
check_cop1x(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
gen_op_float_nmulsub_s();
GEN_STORE_FTN_FREG(fd, WT2);
opn = "nmsub.s";
break;
case OPC_NMSUB_D:
check_cop1x(ctx);
check_cp1_registers(ctx, fd | fs | ft | fr);
GEN_LOAD_FREG_FTN(DT0, fs);
GEN_LOAD_FREG_FTN(DT1, ft);
GEN_LOAD_FREG_FTN(DT2, fr);
gen_op_float_nmulsub_d();
GEN_STORE_FTN_FREG(fd, DT2);
opn = "nmsub.d";
break;
case OPC_NMSUB_PS:
check_cp1_64bitmode(ctx);
GEN_LOAD_FREG_FTN(WT0, fs);
GEN_LOAD_FREG_FTN(WTH0, fs);
GEN_LOAD_FREG_FTN(WT1, ft);
GEN_LOAD_FREG_FTN(WTH1, ft);
GEN_LOAD_FREG_FTN(WT2, fr);
GEN_LOAD_FREG_FTN(WTH2, fr);
gen_op_float_nmulsub_ps();
GEN_STORE_FTN_FREG(fd, WT2);
GEN_STORE_FTN_FREG(fd, WTH2);
opn = "nmsub.ps";
break;
default:
MIPS_INVAL(opn);
generate_exception (ctx, EXCP_RI);
return;
}
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
fregnames[fs], fregnames[ft]);
}
/* ISA extensions (ASEs) */
/* MIPS16 extension to MIPS32 */
/* SmartMIPS extension to MIPS32 */
#if defined(TARGET_MIPS64)
/* MDMX extension to MIPS64 */
#endif
static void decode_opc (CPUState *env, DisasContext *ctx)
{
int32_t offset;
int rs, rt, rd, sa;
uint32_t op, op1, op2;
int16_t imm;
/* make sure instructions are on a word boundary */
if (ctx->pc & 0x3) {
env->CP0_BadVAddr = ctx->pc;
generate_exception(ctx, EXCP_AdEL);
return;
}
/* Handle blikely not taken case */
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, bcond));
tcg_gen_brcondi_tl(TCG_COND_NE, r_tmp, 0, l1);
gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK);
gen_goto_tb(ctx, 1, ctx->pc + 4);
gen_set_label(l1);
}
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:
op1 = MASK_SPECIAL(ctx->opcode);
switch (op1) {
case OPC_SLL: /* Arithmetic with immediate */
case OPC_SRL ... OPC_SRA:
gen_arith_imm(env, ctx, op1, rd, rt, sa);
break;
case OPC_MOVZ ... OPC_MOVN:
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
case OPC_SLLV: /* Arithmetic */
case OPC_SRLV ... OPC_SRAV:
case OPC_ADD ... OPC_NOR:
case OPC_SLT ... OPC_SLTU:
gen_arith(env, ctx, op1, rd, rs, rt);
break;
case OPC_MULT ... OPC_DIVU:
if (sa) {
check_insn(env, ctx, INSN_VR54XX);
op1 = MASK_MUL_VR54XX(ctx->opcode);
gen_mul_vr54xx(ctx, op1, rd, rs, rt);
} else
gen_muldiv(ctx, op1, rs, rt);
break;
case OPC_JR ... OPC_JALR:
gen_compute_branch(ctx, op1, rs, rd, sa);
return;
case OPC_TGE ... OPC_TEQ: /* Traps */
case OPC_TNE:
gen_trap(ctx, op1, rs, rt, -1);
break;
case OPC_MFHI: /* Move from HI/LO */
case OPC_MFLO:
gen_HILO(ctx, op1, rd);
break;
case OPC_MTHI:
case OPC_MTLO: /* Move to HI/LO */
gen_HILO(ctx, op1, rs);
break;
case OPC_PMON: /* Pmon entry point, also R4010 selsl */
#ifdef MIPS_STRICT_STANDARD
MIPS_INVAL("PMON / selsl");
generate_exception(ctx, EXCP_RI);
#else
gen_op_pmon(sa);
#endif
break;
case OPC_SYSCALL:
generate_exception(ctx, EXCP_SYSCALL);
break;
case OPC_BREAK:
generate_exception(ctx, EXCP_BREAK);
break;
case OPC_SPIM:
#ifdef MIPS_STRICT_STANDARD
MIPS_INVAL("SPIM");
generate_exception(ctx, EXCP_RI);
#else
/* Implemented as RI exception for now. */
MIPS_INVAL("spim (unofficial)");
generate_exception(ctx, EXCP_RI);
#endif
break;
case OPC_SYNC:
/* Treat as NOP. */
break;
case OPC_MOVCI:
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
save_cpu_state(ctx, 1);
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;
#if defined(TARGET_MIPS64)
/* MIPS64 specific opcodes */
case OPC_DSLL:
case OPC_DSRL ... OPC_DSRA:
case OPC_DSLL32:
case OPC_DSRL32 ... OPC_DSRA32:
check_insn(env, ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith_imm(env, ctx, op1, rd, rt, sa);
break;
case OPC_DSLLV:
case OPC_DSRLV ... OPC_DSRAV:
case OPC_DADD ... OPC_DSUBU:
check_insn(env, ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith(env, ctx, op1, rd, rs, rt);
break;
case OPC_DMULT ... OPC_DDIVU:
check_insn(env, ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_muldiv(ctx, op1, rs, rt);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_SPECIAL2:
op1 = MASK_SPECIAL2(ctx->opcode);
switch (op1) {
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
case OPC_MSUB ... OPC_MSUBU:
check_insn(env, ctx, ISA_MIPS32);
gen_muldiv(ctx, op1, rs, rt);
break;
case OPC_MUL:
gen_arith(env, ctx, op1, rd, rs, rt);
break;
case OPC_CLZ ... OPC_CLO:
check_insn(env, ctx, ISA_MIPS32);
gen_cl(ctx, op1, rd, rs);
break;
case OPC_SDBBP:
/* XXX: not clear which exception should be raised
* when in debug mode...
*/
check_insn(env, ctx, ISA_MIPS32);
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
generate_exception(ctx, EXCP_DBp);
} else {
generate_exception(ctx, EXCP_DBp);
}
/* Treat as NOP. */
break;
#if defined(TARGET_MIPS64)
case OPC_DCLZ ... OPC_DCLO:
check_insn(env, ctx, ISA_MIPS64);
check_mips_64(ctx);
gen_cl(ctx, op1, rd, rs);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special2");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_SPECIAL3:
op1 = MASK_SPECIAL3(ctx->opcode);
switch (op1) {
case OPC_EXT:
case OPC_INS:
check_insn(env, ctx, ISA_MIPS32R2);
gen_bitops(ctx, op1, rt, rs, sa, rd);
break;
case OPC_BSHFL:
check_insn(env, ctx, ISA_MIPS32R2);
op2 = MASK_BSHFL(ctx->opcode);
switch (op2) {
case OPC_WSBH:
gen_load_gpr(cpu_T[1], rt);
gen_op_wsbh();
break;
case OPC_SEB:
gen_load_gpr(cpu_T[1], rt);
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[1]);
break;
case OPC_SEH:
gen_load_gpr(cpu_T[1], rt);
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[1]);
break;
default: /* Invalid */
MIPS_INVAL("bshfl");
generate_exception(ctx, EXCP_RI);
break;
}
gen_store_gpr(cpu_T[0], rd);
break;
case OPC_RDHWR:
check_insn(env, ctx, ISA_MIPS32R2);
switch (rd) {
case 0:
save_cpu_state(ctx, 1);
gen_op_rdhwr_cpunum();
break;
case 1:
save_cpu_state(ctx, 1);
gen_op_rdhwr_synci_step();
break;
case 2:
save_cpu_state(ctx, 1);
gen_op_rdhwr_cc();
break;
case 3:
save_cpu_state(ctx, 1);
gen_op_rdhwr_ccres();
break;
case 29:
#if defined (CONFIG_USER_ONLY)
gen_op_tls_value();
break;
#endif
default: /* Invalid */
MIPS_INVAL("rdhwr");
generate_exception(ctx, EXCP_RI);
break;
}
gen_store_gpr(cpu_T[0], rt);
break;
case OPC_FORK:
check_insn(env, ctx, ASE_MT);
gen_load_gpr(cpu_T[0], rt);
gen_load_gpr(cpu_T[1], rs);
gen_op_fork();
break;
case OPC_YIELD:
check_insn(env, ctx, ASE_MT);
gen_load_gpr(cpu_T[0], rs);
gen_op_yield();
gen_store_gpr(cpu_T[0], rd);
break;
#if defined(TARGET_MIPS64)
case OPC_DEXTM ... OPC_DEXT:
case OPC_DINSM ... OPC_DINS:
check_insn(env, ctx, ISA_MIPS64R2);
check_mips_64(ctx);
gen_bitops(ctx, op1, rt, rs, sa, rd);
break;
case OPC_DBSHFL:
check_insn(env, ctx, ISA_MIPS64R2);
check_mips_64(ctx);
op2 = MASK_DBSHFL(ctx->opcode);
switch (op2) {
case OPC_DSBH:
gen_load_gpr(cpu_T[1], rt);
gen_op_dsbh();
break;
case OPC_DSHD:
gen_load_gpr(cpu_T[1], rt);
gen_op_dshd();
break;
default: /* Invalid */
MIPS_INVAL("dbshfl");
generate_exception(ctx, EXCP_RI);
break;
}
gen_store_gpr(cpu_T[0], rd);
break;
#endif
default: /* Invalid */
MIPS_INVAL("special3");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_REGIMM:
op1 = MASK_REGIMM(ctx->opcode);
switch (op1) {
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
case OPC_BLTZAL ... OPC_BGEZALL:
gen_compute_branch(ctx, op1, rs, -1, imm << 2);
return;
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
case OPC_TNEI:
gen_trap(ctx, op1, rs, -1, imm);
break;
case OPC_SYNCI:
check_insn(env, ctx, ISA_MIPS32R2);
/* Treat as NOP. */
break;
default: /* Invalid */
MIPS_INVAL("regimm");
generate_exception(ctx, EXCP_RI);
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:
#if defined(TARGET_MIPS64)
case OPC_DMFC0:
case OPC_DMTC0:
#endif
gen_cp0(env, ctx, op1, rt, rd);
break;
case OPC_C0_FIRST ... OPC_C0_LAST:
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
break;
case OPC_MFMC0:
op2 = MASK_MFMC0(ctx->opcode);
switch (op2) {
case OPC_DMT:
check_insn(env, ctx, ASE_MT);
gen_op_dmt();
break;
case OPC_EMT:
check_insn(env, ctx, ASE_MT);
gen_op_emt();
break;
case OPC_DVPE:
check_insn(env, ctx, ASE_MT);
gen_op_dvpe();
break;
case OPC_EVPE:
check_insn(env, ctx, ASE_MT);
gen_op_evpe();
break;
case OPC_DI:
check_insn(env, ctx, ISA_MIPS32R2);
save_cpu_state(ctx, 1);
gen_op_di();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
case OPC_EI:
check_insn(env, ctx, ISA_MIPS32R2);
save_cpu_state(ctx, 1);
gen_op_ei();
/* Stop translation as we may have switched the execution mode */
ctx->bstate = BS_STOP;
break;
default: /* Invalid */
MIPS_INVAL("mfmc0");
generate_exception(ctx, EXCP_RI);
break;
}
gen_store_gpr(cpu_T[0], rt);
break;
case OPC_RDPGPR:
check_insn(env, ctx, ISA_MIPS32R2);
gen_load_srsgpr(cpu_T[0], rt);
gen_store_gpr(cpu_T[0], rd);
break;
case OPC_WRPGPR:
check_insn(env, ctx, ISA_MIPS32R2);
gen_load_gpr(cpu_T[0], rt);
gen_store_srsgpr(cpu_T[0], rd);
break;
default:
MIPS_INVAL("cp0");
generate_exception(ctx, EXCP_RI);
break;
}
break;
case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */
gen_arith_imm(env, ctx, op, rt, rs, imm);
break;
case OPC_J ... OPC_JAL: /* Jump */
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
gen_compute_branch(ctx, op, rs, rt, offset);
return;
case OPC_BEQ ... OPC_BGTZ: /* Branch */
case OPC_BEQL ... OPC_BGTZL:
gen_compute_branch(ctx, op, rs, rt, imm << 2);
return;
case OPC_LB ... OPC_LWR: /* Load and stores */
case OPC_SB ... OPC_SW:
case OPC_SWR:
case OPC_LL:
case OPC_SC:
gen_ldst(ctx, op, rt, rs, imm);
break;
case OPC_CACHE:
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
/* Treat as NOP. */
break;
case OPC_PREF:
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
/* Treat as NOP. */
break;
/* Floating point (COP1). */
case OPC_LWC1:
case OPC_LDC1:
case OPC_SWC1:
case OPC_SDC1:
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
save_cpu_state(ctx, 1);
check_cp1_enabled(ctx);
gen_flt_ldst(ctx, op, rt, rs, imm);
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
case OPC_CP1:
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
save_cpu_state(ctx, 1);
check_cp1_enabled(ctx);
op1 = MASK_CP1(ctx->opcode);
switch (op1) {
case OPC_MFHC1:
case OPC_MTHC1:
check_insn(env, ctx, ISA_MIPS32R2);
case OPC_MFC1:
case OPC_CFC1:
case OPC_MTC1:
case OPC_CTC1:
gen_cp1(ctx, op1, rt, rd);
break;
#if defined(TARGET_MIPS64)
case OPC_DMFC1:
case OPC_DMTC1:
check_insn(env, ctx, ISA_MIPS3);
gen_cp1(ctx, op1, rt, rd);
break;
#endif
case OPC_BC1ANY2:
case OPC_BC1ANY4:
check_cop1x(ctx);
check_insn(env, ctx, ASE_MIPS3D);
/* fall through */
case OPC_BC1:
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode),
(rt >> 2) & 0x7, imm << 2);
return;
case OPC_S_FMT:
case OPC_D_FMT:
case OPC_W_FMT:
case OPC_L_FMT:
case OPC_PS_FMT:
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa,
(imm >> 8) & 0x7);
break;
default:
MIPS_INVAL("cp1");
generate_exception (ctx, EXCP_RI);
break;
}
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
/* COP2. */
case OPC_LWC2:
case OPC_LDC2:
case OPC_SWC2:
case OPC_SDC2:
case OPC_CP2:
/* COP2: Not implemented. */
generate_exception_err(ctx, EXCP_CpU, 2);
break;
case OPC_CP3:
if (env->CP0_Config1 & (1 << CP0C1_FP)) {
save_cpu_state(ctx, 1);
check_cp1_enabled(ctx);
op1 = MASK_CP3(ctx->opcode);
switch (op1) {
case OPC_LWXC1:
case OPC_LDXC1:
case OPC_LUXC1:
case OPC_SWXC1:
case OPC_SDXC1:
case OPC_SUXC1:
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
break;
case OPC_PREFX:
/* Treat as NOP. */
break;
case OPC_ALNV_PS:
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:
gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
break;
default:
MIPS_INVAL("cp3");
generate_exception (ctx, EXCP_RI);
break;
}
} else {
generate_exception_err(ctx, EXCP_CpU, 1);
}
break;
#if defined(TARGET_MIPS64)
/* MIPS64 opcodes */
case OPC_LWU:
case OPC_LDL ... OPC_LDR:
case OPC_SDL ... OPC_SDR:
case OPC_LLD:
case OPC_LD:
case OPC_SCD:
case OPC_SD:
check_insn(env, ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_ldst(ctx, op, rt, rs, imm);
break;
case OPC_DADDI ... OPC_DADDIU:
check_insn(env, ctx, ISA_MIPS3);
check_mips_64(ctx);
gen_arith_imm(env, ctx, op, rt, rs, imm);
break;
#endif
case OPC_JALX:
check_insn(env, ctx, ASE_MIPS16);
/* MIPS16: Not implemented. */
case OPC_MDMX:
check_insn(env, ctx, ASE_MDMX);
/* MDMX: Not implemented. */
default: /* Invalid */
MIPS_INVAL("major opcode");
generate_exception(ctx, EXCP_RI);
break;
}
if (ctx->hflags & MIPS_HFLAG_BMASK) {
int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
/* Branches completion */
ctx->hflags &= ~MIPS_HFLAG_BMASK;
ctx->bstate = BS_BRANCH;
save_cpu_state(ctx, 0);
switch (hflags) {
case MIPS_HFLAG_B:
/* unconditional branch */
MIPS_DEBUG("unconditional branch");
gen_goto_tb(ctx, 0, ctx->btarget);
break;
case MIPS_HFLAG_BL:
/* blikely taken case */
MIPS_DEBUG("blikely branch taken");
gen_goto_tb(ctx, 0, ctx->btarget);
break;
case MIPS_HFLAG_BC:
/* Conditional branch */
MIPS_DEBUG("conditional branch");
{
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL);
int l1 = gen_new_label();
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, bcond));
tcg_gen_brcondi_tl(TCG_COND_NE, r_tmp, 0, l1);
gen_goto_tb(ctx, 1, ctx->pc + 4);
gen_set_label(l1);
gen_goto_tb(ctx, 0, ctx->btarget);
}
break;
case MIPS_HFLAG_BR:
/* unconditional branch to register */
MIPS_DEBUG("branch to register");
gen_breg_pc();
tcg_gen_exit_tb(0);
break;
default:
MIPS_DEBUG("unknown branch");
break;
}
}
}
static always_inline int
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
int search_pc)
{
DisasContext ctx;
target_ulong pc_start;
uint16_t *gen_opc_end;
int j, lj = -1;
if (search_pc && loglevel)
fprintf (logfile, "search pc %d\n", search_pc);
num_temps = 0;
memset(temps, 0, sizeof(temps));
num_temps = 0;
memset(temps, 0, sizeof(temps));
pc_start = tb->pc;
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
ctx.pc = pc_start;
ctx.saved_pc = -1;
ctx.tb = tb;
ctx.bstate = BS_NONE;
/* Restore delay slot state from the tb context. */
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
restore_cpu_state(env, &ctx);
#if defined(CONFIG_USER_ONLY)
ctx.mem_idx = MIPS_HFLAG_UM;
#else
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
#endif
#ifdef DEBUG_DISAS
if (loglevel & CPU_LOG_TB_CPU) {
fprintf(logfile, "------------------------------------------------\n");
/* FIXME: This may print out stale hflags from env... */
cpu_dump_state(env, logfile, fprintf, 0);
}
#endif
#ifdef MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM)
fprintf(logfile, "\ntb %p idx %d hflags %04x\n",
tb, ctx.mem_idx, ctx.hflags);
#endif
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
if (env->nb_breakpoints > 0) {
for(j = 0; j < env->nb_breakpoints; j++) {
if (env->breakpoints[j] == ctx.pc) {
save_cpu_state(&ctx, 1);
ctx.bstate = BS_BRANCH;
gen_op_debug();
/* Include the breakpoint location or the tb won't
* be flushed when it must be. */
ctx.pc += 4;
goto done_generating;
}
}
}
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j)
gen_opc_instr_start[lj++] = 0;
}
gen_opc_pc[lj] = ctx.pc;
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
gen_opc_instr_start[lj] = 1;
}
ctx.opcode = ldl_code(ctx.pc);
decode_opc(env, &ctx);
if (num_temps) {
fprintf(stderr,
"Internal resource leak before " TARGET_FMT_lx "\n",
ctx.pc);
num_temps = 0;
}
ctx.pc += 4;
if (env->singlestep_enabled)
break;
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
break;
#if defined (MIPS_SINGLE_STEP)
break;
#endif
}
if (env->singlestep_enabled) {
save_cpu_state(&ctx, ctx.bstate == BS_NONE);
gen_op_debug();
} else {
switch (ctx.bstate) {
case BS_STOP:
tcg_gen_helper_0_0(do_interrupt_restart);
gen_goto_tb(&ctx, 0, ctx.pc);
break;
case BS_NONE:
save_cpu_state(&ctx, 0);
gen_goto_tb(&ctx, 0, ctx.pc);
break;
case BS_EXCP:
tcg_gen_helper_0_0(do_interrupt_restart);
tcg_gen_exit_tb(0);
break;
case BS_BRANCH:
default:
break;
}
}
done_generating:
*gen_opc_ptr = INDEX_op_end;
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
lj++;
while (lj <= j)
gen_opc_instr_start[lj++] = 0;
} else {
tb->size = ctx.pc - pc_start;
}
#ifdef DEBUG_DISAS
#if defined MIPS_DEBUG_DISAS
if (loglevel & CPU_LOG_TB_IN_ASM)
fprintf(logfile, "\n");
#endif
if (loglevel & CPU_LOG_TB_IN_ASM) {
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
fprintf(logfile, "\n");
}
if (loglevel & CPU_LOG_TB_CPU) {
fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
}
#endif
return 0;
}
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
{
return gen_intermediate_code_internal(env, tb, 0);
}
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
{
return gen_intermediate_code_internal(env, tb, 1);
}
void fpu_dump_state(CPUState *env, FILE *f,
int (*fpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
{
int i;
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
#define printfpr(fp) \
do { \
if (is_fpu64) \
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \
else { \
fpr_t tmp; \
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \
} \
} while(0)
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
env->fpu->fcr0, env->fpu->fcr31, is_fpu64, env->fpu->fp_status,
get_float_exception_flags(&env->fpu->fp_status));
fpu_fprintf(f, "FT0: "); printfpr(&env->fpu->ft0);
fpu_fprintf(f, "FT1: "); printfpr(&env->fpu->ft1);
fpu_fprintf(f, "FT2: "); printfpr(&env->fpu->ft2);
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
fpu_fprintf(f, "%3s: ", fregnames[i]);
printfpr(&env->fpu->fpr[i]);
}
#undef printfpr
}
void dump_fpu (CPUState *env)
{
if (loglevel) {
fprintf(logfile,
"pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx
" LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx
" %04x\n",
env->PC[env->current_tc], env->HI[env->current_tc][0],
env->LO[env->current_tc][0], env->hflags, env->btarget,
env->bcond);
fpu_dump_state(env, logfile, fprintf, 0);
}
}
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
/* Debug help: The architecture requires 32bit code to maintain proper
sign-extened values on 64bit machines. */
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
{
int i;
if (!SIGN_EXT_P(env->PC[env->current_tc]))
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC[env->current_tc]);
if (!SIGN_EXT_P(env->HI[env->current_tc][0]))
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI[env->current_tc][0]);
if (!SIGN_EXT_P(env->LO[env->current_tc][0]))
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO[env->current_tc][0]);
if (!SIGN_EXT_P(env->btarget))
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
for (i = 0; i < 32; i++) {
if (!SIGN_EXT_P(env->gpr[env->current_tc][i]))
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[env->current_tc][i]);
}
if (!SIGN_EXT_P(env->CP0_EPC))
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
if (!SIGN_EXT_P(env->CP0_LLAddr))
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr);
}
#endif
void cpu_dump_state (CPUState *env, FILE *f,
int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
int flags)
{
int i;
cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n",
env->PC[env->current_tc], env->HI[env->current_tc], env->LO[env->current_tc], env->hflags, env->btarget, env->bcond);
for (i = 0; i < 32; i++) {
if ((i & 3) == 0)
cpu_fprintf(f, "GPR%02d:", i);
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[env->current_tc][i]);
if ((i & 3) == 3)
cpu_fprintf(f, "\n");
}
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr);
if (env->hflags & MIPS_HFLAG_FPU)
fpu_dump_state(env, f, cpu_fprintf, flags);
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
#endif
}
static void mips_tcg_init(void)
{
static int inited;
/* Initialize various static tables. */
if (inited)
return;
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
current_tc_gprs = tcg_global_mem_new(TCG_TYPE_PTR,
TCG_AREG0,
offsetof(CPUState, current_tc_gprs),
"current_tc_gprs");
#if TARGET_LONG_BITS > HOST_LONG_BITS
cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, t0), "T0");
cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, t1), "T1");
#else
cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0");
cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1");
#endif
inited = 1;
}
#include "translate_init.c"
CPUMIPSState *cpu_mips_init (const char *cpu_model)
{
CPUMIPSState *env;
const mips_def_t *def;
def = cpu_mips_find_by_name(cpu_model);
if (!def)
return NULL;
env = qemu_mallocz(sizeof(CPUMIPSState));
if (!env)
return NULL;
env->cpu_model = def;
cpu_exec_init(env);
env->cpu_model_str = cpu_model;
mips_tcg_init();
cpu_reset(env);
return env;
}
void cpu_reset (CPUMIPSState *env)
{
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
tlb_flush(env, 1);
/* Minimal init */
#if !defined(CONFIG_USER_ONLY)
if (env->hflags & MIPS_HFLAG_BMASK) {
/* If the exception was raised from a delay slot,
* come back to the jump. */
env->CP0_ErrorEPC = env->PC[env->current_tc] - 4;
} else {
env->CP0_ErrorEPC = env->PC[env->current_tc];
}
env->PC[env->current_tc] = (int32_t)0xBFC00000;
env->CP0_Wired = 0;
/* SMP not implemented */
env->CP0_EBase = 0x80000000;
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
/* vectored interrupts not implemented, timer on int 7,
no performance counters. */
env->CP0_IntCtl = 0xe0000000;
{
int i;
for (i = 0; i < 7; i++) {
env->CP0_WatchLo[i] = 0;
env->CP0_WatchHi[i] = 0x80000000;
}
env->CP0_WatchLo[7] = 0;
env->CP0_WatchHi[7] = 0;
}
/* Count register increments in debug mode, EJTAG version 1 */
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
#endif
env->exception_index = EXCP_NONE;
#if defined(CONFIG_USER_ONLY)
env->hflags = MIPS_HFLAG_UM;
env->user_mode_only = 1;
#else
env->hflags = MIPS_HFLAG_CP0;
#endif
cpu_mips_register(env, env->cpu_model);
}
void gen_pc_load(CPUState *env, TranslationBlock *tb,
unsigned long searched_pc, int pc_pos, void *puc)
{
env->PC[env->current_tc] = gen_opc_pc[pc_pos];
env->hflags &= ~MIPS_HFLAG_BMASK;
env->hflags |= gen_opc_hflags[pc_pos];
}