| /* |
| * 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) |
| * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS 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, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <inttypes.h> |
| |
| #include "cpu.h" |
| #include "disas.h" |
| #include "tcg-op.h" |
| #include "qemu-common.h" |
| |
| #include "helper.h" |
| #define GEN_HELPER 1 |
| #include "helper.h" |
| |
| //#define MIPS_DEBUG_DISAS |
| //#define MIPS_DEBUG_SIGN_EXTENSIONS |
| |
| /* 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), |
| /* logic with immediate */ |
| OPC_ANDI = (0x0C << 26), |
| OPC_ORI = (0x0D << 26), |
| OPC_XORI = (0x0E << 26), |
| OPC_LUI = (0x0F << 26), |
| /* arithmetic with immediate */ |
| OPC_DADDI = (0x18 << 26), |
| OPC_DADDIU = (0x19 << 26), |
| /* Jump and branches */ |
| OPC_J = (0x02 << 26), |
| OPC_JAL = (0x03 << 26), |
| OPC_JALS = OPC_JAL | 0x5, |
| 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 */ |
| OPC_JALXS = OPC_JALX | 0x5, |
| /* Load and stores */ |
| OPC_LDL = (0x1A << 26), |
| OPC_LDR = (0x1B << 26), |
| OPC_LB = (0x20 << 26), |
| OPC_LH = (0x21 << 26), |
| OPC_LWL = (0x22 << 26), |
| OPC_LW = (0x23 << 26), |
| OPC_LWPC = OPC_LW | 0x5, |
| OPC_LBU = (0x24 << 26), |
| OPC_LHU = (0x25 << 26), |
| OPC_LWR = (0x26 << 26), |
| OPC_LWU = (0x27 << 26), |
| OPC_SB = (0x28 << 26), |
| OPC_SH = (0x29 << 26), |
| OPC_SWL = (0x2A << 26), |
| OPC_SW = (0x2B << 26), |
| OPC_SDL = (0x2C << 26), |
| OPC_SDR = (0x2D << 26), |
| OPC_SWR = (0x2E << 26), |
| OPC_LL = (0x30 << 26), |
| OPC_LLD = (0x34 << 26), |
| OPC_LD = (0x37 << 26), |
| OPC_LDPC = OPC_LD | 0x5, |
| OPC_SC = (0x38 << 26), |
| OPC_SCD = (0x3C << 26), |
| OPC_SD = (0x3F << 26), |
| /* Floating point load/store */ |
| OPC_LWC1 = (0x31 << 26), |
| OPC_LWC2 = (0x32 << 26), |
| OPC_LDC1 = (0x35 << 26), |
| OPC_LDC2 = (0x36 << 26), |
| OPC_SWC1 = (0x39 << 26), |
| OPC_SWC2 = (0x3A << 26), |
| OPC_SDC1 = (0x3D << 26), |
| OPC_SDC2 = (0x3E << 26), |
| /* 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_ROTR = OPC_SRL | (1 << 21), |
| OPC_SRA = 0x03 | OPC_SPECIAL, |
| OPC_SLLV = 0x04 | OPC_SPECIAL, |
| OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ |
| OPC_ROTRV = OPC_SRLV | (1 << 6), |
| OPC_SRAV = 0x07 | OPC_SPECIAL, |
| OPC_DSLLV = 0x14 | OPC_SPECIAL, |
| OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ |
| OPC_DROTRV = OPC_DSRLV | (1 << 6), |
| OPC_DSRAV = 0x17 | OPC_SPECIAL, |
| OPC_DSLL = 0x38 | OPC_SPECIAL, |
| OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ |
| OPC_DROTR = OPC_DSRL | (1 << 21), |
| OPC_DSRA = 0x3B | OPC_SPECIAL, |
| OPC_DSLL32 = 0x3C | OPC_SPECIAL, |
| OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ |
| OPC_DROTR32 = OPC_DSRL32 | (1 << 21), |
| OPC_DSRA32 = 0x3F | OPC_SPECIAL, |
| /* Multiplication / division */ |
| OPC_MULT = 0x18 | OPC_SPECIAL, |
| OPC_MULTU = 0x19 | OPC_SPECIAL, |
| OPC_DIV = 0x1A | OPC_SPECIAL, |
| OPC_DIVU = 0x1B | OPC_SPECIAL, |
| OPC_DMULT = 0x1C | OPC_SPECIAL, |
| OPC_DMULTU = 0x1D | OPC_SPECIAL, |
| OPC_DDIV = 0x1E | OPC_SPECIAL, |
| OPC_DDIVU = 0x1F | OPC_SPECIAL, |
| /* 2 registers arithmetic / logic */ |
| OPC_ADD = 0x20 | OPC_SPECIAL, |
| OPC_ADDU = 0x21 | OPC_SPECIAL, |
| OPC_SUB = 0x22 | OPC_SPECIAL, |
| OPC_SUBU = 0x23 | OPC_SPECIAL, |
| OPC_AND = 0x24 | OPC_SPECIAL, |
| OPC_OR = 0x25 | OPC_SPECIAL, |
| OPC_XOR = 0x26 | OPC_SPECIAL, |
| OPC_NOR = 0x27 | OPC_SPECIAL, |
| OPC_SLT = 0x2A | OPC_SPECIAL, |
| OPC_SLTU = 0x2B | OPC_SPECIAL, |
| OPC_DADD = 0x2C | OPC_SPECIAL, |
| OPC_DADDU = 0x2D | OPC_SPECIAL, |
| OPC_DSUB = 0x2E | OPC_SPECIAL, |
| OPC_DSUBU = 0x2F | OPC_SPECIAL, |
| /* Jumps */ |
| OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ |
| OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ |
| OPC_JALRC = OPC_JALR | (0x5 << 6), |
| OPC_JALRS = 0x10 | OPC_SPECIAL | (0x5 << 6), |
| /* 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, /* unofficial */ |
| OPC_SYSCALL = 0x0C | OPC_SPECIAL, |
| OPC_BREAK = 0x0D | OPC_SPECIAL, |
| OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */ |
| 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_BLTZALS = OPC_BLTZAL | 0x5, /* microMIPS */ |
| OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, |
| OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, |
| OPC_BGEZALS = OPC_BGEZAL | 0x5, /* microMIPS */ |
| 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, |
| /* Loongson 2F */ |
| OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2, |
| OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2, |
| OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2, |
| OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2, |
| OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2, |
| OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2, |
| OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2, |
| OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2, |
| OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2, |
| OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2, |
| OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2, |
| OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2, |
| /* Misc */ |
| OPC_CLZ = 0x20 | OPC_SPECIAL2, |
| OPC_CLO = 0x21 | OPC_SPECIAL2, |
| OPC_DCLZ = 0x24 | OPC_SPECIAL2, |
| OPC_DCLO = 0x25 | OPC_SPECIAL2, |
| /* Special */ |
| OPC_SDBBP = 0x3F | OPC_SPECIAL2, |
| }; |
| |
| /* Special3 opcodes */ |
| #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
| |
| enum { |
| OPC_EXT = 0x00 | OPC_SPECIAL3, |
| OPC_DEXTM = 0x01 | OPC_SPECIAL3, |
| OPC_DEXTU = 0x02 | OPC_SPECIAL3, |
| OPC_DEXT = 0x03 | OPC_SPECIAL3, |
| OPC_INS = 0x04 | OPC_SPECIAL3, |
| OPC_DINSM = 0x05 | OPC_SPECIAL3, |
| OPC_DINSU = 0x06 | OPC_SPECIAL3, |
| OPC_DINS = 0x07 | OPC_SPECIAL3, |
| OPC_FORK = 0x08 | OPC_SPECIAL3, |
| OPC_YIELD = 0x09 | OPC_SPECIAL3, |
| OPC_BSHFL = 0x20 | OPC_SPECIAL3, |
| OPC_DBSHFL = 0x24 | OPC_SPECIAL3, |
| OPC_RDHWR = 0x3B | OPC_SPECIAL3, |
| |
| /* Loongson 2E */ |
| OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3, |
| OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3, |
| OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3, |
| OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3, |
| OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3, |
| OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3, |
| OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3, |
| OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3, |
| OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3, |
| OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3, |
| OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3, |
| OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3, |
| }; |
| |
| /* 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)) |
| |
| /* Values for the fmt field in FP instructions */ |
| enum { |
| /* 0 - 15 are reserved */ |
| FMT_S = 16, /* single fp */ |
| FMT_D = 17, /* double fp */ |
| FMT_E = 18, /* extended fp */ |
| FMT_Q = 19, /* quad fp */ |
| FMT_W = 20, /* 32-bit fixed */ |
| FMT_L = 21, /* 64-bit fixed */ |
| FMT_PS = 22, /* paired single fp */ |
| /* 23 - 31 are reserved */ |
| }; |
| |
| 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 = (FMT_S << 21) | OPC_CP1, |
| OPC_D_FMT = (FMT_D << 21) | OPC_CP1, |
| OPC_E_FMT = (FMT_E << 21) | OPC_CP1, |
| OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1, |
| OPC_W_FMT = (FMT_W << 21) | OPC_CP1, |
| OPC_L_FMT = (FMT_L << 21) | OPC_CP1, |
| OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1, |
| }; |
| |
| #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_ptr cpu_env; |
| static TCGv cpu_gpr[32], cpu_PC; |
| static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC]; |
| static TCGv cpu_dspctrl, btarget, bcond; |
| static TCGv_i32 hflags; |
| static TCGv_i32 fpu_fcr0, fpu_fcr31; |
| |
| static uint32_t gen_opc_hflags[OPC_BUF_SIZE]; |
| |
| #include "gen-icount.h" |
| |
| #define gen_helper_0i(name, arg) do { \ |
| TCGv_i32 helper_tmp = tcg_const_i32(arg); \ |
| gen_helper_##name(helper_tmp); \ |
| tcg_temp_free_i32(helper_tmp); \ |
| } while(0) |
| |
| #define gen_helper_1i(name, arg1, arg2) do { \ |
| TCGv_i32 helper_tmp = tcg_const_i32(arg2); \ |
| gen_helper_##name(arg1, helper_tmp); \ |
| tcg_temp_free_i32(helper_tmp); \ |
| } while(0) |
| |
| #define gen_helper_2i(name, arg1, arg2, arg3) do { \ |
| TCGv_i32 helper_tmp = tcg_const_i32(arg3); \ |
| gen_helper_##name(arg1, arg2, helper_tmp); \ |
| tcg_temp_free_i32(helper_tmp); \ |
| } while(0) |
| |
| #define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \ |
| TCGv_i32 helper_tmp = tcg_const_i32(arg4); \ |
| gen_helper_##name(arg1, arg2, arg3, helper_tmp); \ |
| tcg_temp_free_i32(helper_tmp); \ |
| } while(0) |
| |
| typedef struct DisasContext { |
| struct TranslationBlock *tb; |
| target_ulong pc, saved_pc; |
| uint32_t opcode; |
| int singlestep_enabled; |
| /* 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 *regnames_HI[] = |
| { "HI0", "HI1", "HI2", "HI3", }; |
| |
| static const char *regnames_LO[] = |
| { "LO0", "LO1", "LO2", "LO3", }; |
| |
| static const char *regnames_ACX[] = |
| { "ACX0", "ACX1", "ACX2", "ACX3", }; |
| |
| 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, ...) \ |
| qemu_log_mask(CPU_LOG_TB_IN_ASM, \ |
| TARGET_FMT_lx ": %08x " fmt "\n", \ |
| ctx->pc, ctx->opcode , ## __VA_ARGS__) |
| #define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) |
| #else |
| #define MIPS_DEBUG(fmt, ...) do { } while(0) |
| #define LOG_DISAS(...) 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_mov_tl(t, cpu_gpr[reg]); |
| } |
| |
| static inline void gen_store_gpr (TCGv t, int reg) |
| { |
| if (reg != 0) |
| tcg_gen_mov_tl(cpu_gpr[reg], t); |
| } |
| |
| /* Moves to/from ACX register. */ |
| static inline void gen_load_ACX (TCGv t, int reg) |
| { |
| tcg_gen_mov_tl(t, cpu_ACX[reg]); |
| } |
| |
| static inline void gen_store_ACX (TCGv t, int reg) |
| { |
| tcg_gen_mov_tl(cpu_ACX[reg], t); |
| } |
| |
| /* Moves to/from shadow registers. */ |
| static inline void gen_load_srsgpr (int from, int to) |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| if (from == 0) |
| tcg_gen_movi_tl(t0, 0); |
| else { |
| TCGv_i32 t2 = tcg_temp_new_i32(); |
| TCGv_ptr addr = tcg_temp_new_ptr(); |
| |
| tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
| tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
| tcg_gen_andi_i32(t2, t2, 0xf); |
| tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
| tcg_gen_ext_i32_ptr(addr, t2); |
| tcg_gen_add_ptr(addr, cpu_env, addr); |
| |
| tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from); |
| tcg_temp_free_ptr(addr); |
| tcg_temp_free_i32(t2); |
| } |
| gen_store_gpr(t0, to); |
| tcg_temp_free(t0); |
| } |
| |
| static inline void gen_store_srsgpr (int from, int to) |
| { |
| if (to != 0) { |
| TCGv t0 = tcg_temp_new(); |
| TCGv_i32 t2 = tcg_temp_new_i32(); |
| TCGv_ptr addr = tcg_temp_new_ptr(); |
| |
| gen_load_gpr(t0, from); |
| tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
| tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
| tcg_gen_andi_i32(t2, t2, 0xf); |
| tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
| tcg_gen_ext_i32_ptr(addr, t2); |
| tcg_gen_add_ptr(addr, cpu_env, addr); |
| |
| tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to); |
| tcg_temp_free_ptr(addr); |
| tcg_temp_free_i32(t2); |
| tcg_temp_free(t0); |
| } |
| } |
| |
| /* Floating point register moves. */ |
| static inline void gen_load_fpr32 (TCGv_i32 t, int reg) |
| { |
| tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
| } |
| |
| static inline void gen_store_fpr32 (TCGv_i32 t, int reg) |
| { |
| tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
| } |
| |
| static inline void gen_load_fpr32h (TCGv_i32 t, int reg) |
| { |
| tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
| } |
| |
| static inline void gen_store_fpr32h (TCGv_i32 t, int reg) |
| { |
| tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
| } |
| |
| static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
| { |
| if (ctx->hflags & MIPS_HFLAG_F64) { |
| tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
| } else { |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| gen_load_fpr32(t0, reg & ~1); |
| gen_load_fpr32(t1, reg | 1); |
| tcg_gen_concat_i32_i64(t, t0, t1); |
| tcg_temp_free_i32(t0); |
| tcg_temp_free_i32(t1); |
| } |
| } |
| |
| static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
| { |
| if (ctx->hflags & MIPS_HFLAG_F64) { |
| tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
| } else { |
| TCGv_i64 t0 = tcg_temp_new_i64(); |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| tcg_gen_trunc_i64_i32(t1, t); |
| gen_store_fpr32(t1, reg & ~1); |
| tcg_gen_shri_i64(t0, t, 32); |
| tcg_gen_trunc_i64_i32(t1, t0); |
| gen_store_fpr32(t1, reg | 1); |
| tcg_temp_free_i32(t1); |
| tcg_temp_free_i64(t0); |
| } |
| } |
| |
| static inline int get_fp_bit (int cc) |
| { |
| if (cc) |
| return 24 + cc; |
| else |
| return 23; |
| } |
| |
| /* Tests */ |
| static inline void gen_save_pc(target_ulong pc) |
| { |
| tcg_gen_movi_tl(cpu_PC, pc); |
| } |
| |
| static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
| { |
| LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags); |
| if (do_save_pc && ctx->pc != ctx->saved_pc) { |
| gen_save_pc(ctx->pc); |
| ctx->saved_pc = ctx->pc; |
| } |
| if (ctx->hflags != ctx->saved_hflags) { |
| tcg_gen_movi_i32(hflags, ctx->hflags); |
| ctx->saved_hflags = ctx->hflags; |
| switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { |
| case MIPS_HFLAG_BR: |
| break; |
| case MIPS_HFLAG_BC: |
| case MIPS_HFLAG_BL: |
| case MIPS_HFLAG_B: |
| tcg_gen_movi_tl(btarget, ctx->btarget); |
| break; |
| } |
| } |
| } |
| |
| static inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
| { |
| ctx->saved_hflags = ctx->hflags; |
| switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { |
| case MIPS_HFLAG_BR: |
| break; |
| case MIPS_HFLAG_BC: |
| case MIPS_HFLAG_BL: |
| case MIPS_HFLAG_B: |
| ctx->btarget = env->btarget; |
| break; |
| } |
| } |
| |
| static inline void |
| generate_exception_err (DisasContext *ctx, int excp, int err) |
| { |
| TCGv_i32 texcp = tcg_const_i32(excp); |
| TCGv_i32 terr = tcg_const_i32(err); |
| save_cpu_state(ctx, 1); |
| gen_helper_raise_exception_err(texcp, terr); |
| tcg_temp_free_i32(terr); |
| tcg_temp_free_i32(texcp); |
| } |
| |
| static inline void |
| generate_exception (DisasContext *ctx, int excp) |
| { |
| save_cpu_state(ctx, 1); |
| gen_helper_0i(raise_exception, excp); |
| } |
| |
| /* Addresses computation */ |
| static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) |
| { |
| tcg_gen_add_tl(ret, arg0, arg1); |
| |
| #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. */ |
| if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) && |
| !(ctx->hflags & MIPS_HFLAG_UX)) { |
| tcg_gen_ext32s_i64(ret, ret); |
| } |
| #endif |
| } |
| |
| static inline void check_cp0_enabled(DisasContext *ctx) |
| { |
| if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) |
| generate_exception_err(ctx, EXCP_CpU, 0); |
| } |
| |
| static 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 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 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); |
| */ |
| static inline 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 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 inline void check_mips_64(DisasContext *ctx) |
| { |
| if (unlikely(!(ctx->hflags & MIPS_HFLAG_64))) |
| generate_exception(ctx, EXCP_RI); |
| } |
| |
| /* Define small wrappers for gen_load_fpr* so that we have a uniform |
| calling interface for 32 and 64-bit FPRs. No sense in changing |
| all callers for gen_load_fpr32 when we need the CTX parameter for |
| this one use. */ |
| #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(x, y) |
| #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y) |
| #define FOP_CONDS(type, abs, fmt, ifmt, bits) \ |
| static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \ |
| int ft, int fs, int cc) \ |
| { \ |
| TCGv_i##bits fp0 = tcg_temp_new_i##bits (); \ |
| TCGv_i##bits fp1 = tcg_temp_new_i##bits (); \ |
| switch (ifmt) { \ |
| case FMT_PS: \ |
| check_cp1_64bitmode(ctx); \ |
| break; \ |
| case FMT_D: \ |
| if (abs) { \ |
| check_cop1x(ctx); \ |
| } \ |
| check_cp1_registers(ctx, fs | ft); \ |
| break; \ |
| case FMT_S: \ |
| if (abs) { \ |
| check_cop1x(ctx); \ |
| } \ |
| break; \ |
| } \ |
| gen_ldcmp_fpr##bits (ctx, fp0, fs); \ |
| gen_ldcmp_fpr##bits (ctx, fp1, ft); \ |
| switch (n) { \ |
| case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\ |
| case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\ |
| case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\ |
| case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\ |
| case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\ |
| case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\ |
| case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\ |
| case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\ |
| case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\ |
| case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\ |
| case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\ |
| case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\ |
| case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\ |
| case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\ |
| case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\ |
| case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\ |
| default: abort(); \ |
| } \ |
| tcg_temp_free_i##bits (fp0); \ |
| tcg_temp_free_i##bits (fp1); \ |
| } |
| |
| FOP_CONDS(, 0, d, FMT_D, 64) |
| FOP_CONDS(abs, 1, d, FMT_D, 64) |
| FOP_CONDS(, 0, s, FMT_S, 32) |
| FOP_CONDS(abs, 1, s, FMT_S, 32) |
| FOP_CONDS(, 0, ps, FMT_PS, 64) |
| FOP_CONDS(abs, 1, ps, FMT_PS, 64) |
| #undef FOP_CONDS |
| #undef gen_ldcmp_fpr32 |
| #undef gen_ldcmp_fpr64 |
| |
| /* load/store instructions. */ |
| #define OP_LD(insn,fname) \ |
| static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
| { \ |
| tcg_gen_qemu_##fname(ret, arg1, 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) \ |
| static inline void op_st_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \ |
| { \ |
| tcg_gen_qemu_##fname(arg1, arg2, 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 |
| |
| #ifdef CONFIG_USER_ONLY |
| #define OP_LD_ATOMIC(insn,fname) \ |
| static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
| { \ |
| TCGv t0 = tcg_temp_new(); \ |
| tcg_gen_mov_tl(t0, arg1); \ |
| tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ |
| tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
| tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \ |
| tcg_temp_free(t0); \ |
| } |
| #else |
| #define OP_LD_ATOMIC(insn,fname) \ |
| static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
| { \ |
| gen_helper_2i(insn, ret, arg1, ctx->mem_idx); \ |
| } |
| #endif |
| OP_LD_ATOMIC(ll,ld32s); |
| #if defined(TARGET_MIPS64) |
| OP_LD_ATOMIC(lld,ld64); |
| #endif |
| #undef OP_LD_ATOMIC |
| |
| #ifdef CONFIG_USER_ONLY |
| #define OP_ST_ATOMIC(insn,fname,ldname,almask) \ |
| static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
| { \ |
| TCGv t0 = tcg_temp_new(); \ |
| int l1 = gen_new_label(); \ |
| int l2 = gen_new_label(); \ |
| \ |
| tcg_gen_andi_tl(t0, arg2, almask); \ |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \ |
| tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \ |
| generate_exception(ctx, EXCP_AdES); \ |
| gen_set_label(l1); \ |
| tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
| tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \ |
| tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \ |
| tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \ |
| tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \ |
| gen_helper_0i(raise_exception, EXCP_SC); \ |
| gen_set_label(l2); \ |
| tcg_gen_movi_tl(t0, 0); \ |
| gen_store_gpr(t0, rt); \ |
| tcg_temp_free(t0); \ |
| } |
| #else |
| #define OP_ST_ATOMIC(insn,fname,ldname,almask) \ |
| static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
| { \ |
| TCGv t0 = tcg_temp_new(); \ |
| gen_helper_3i(insn, t0, arg1, arg2, ctx->mem_idx); \ |
| gen_store_gpr(t0, rt); \ |
| tcg_temp_free(t0); \ |
| } |
| #endif |
| OP_ST_ATOMIC(sc,st32,ld32s,0x3); |
| #if defined(TARGET_MIPS64) |
| OP_ST_ATOMIC(scd,st64,ld64,0x7); |
| #endif |
| #undef OP_ST_ATOMIC |
| |
| static void gen_base_offset_addr (DisasContext *ctx, TCGv addr, |
| int base, int16_t offset) |
| { |
| if (base == 0) { |
| tcg_gen_movi_tl(addr, offset); |
| } else if (offset == 0) { |
| gen_load_gpr(addr, base); |
| } else { |
| tcg_gen_movi_tl(addr, offset); |
| gen_op_addr_add(ctx, addr, cpu_gpr[base], addr); |
| } |
| } |
| |
| static target_ulong pc_relative_pc (DisasContext *ctx) |
| { |
| target_ulong pc = ctx->pc; |
| |
| if (ctx->hflags & MIPS_HFLAG_BMASK) { |
| int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4; |
| |
| pc -= branch_bytes; |
| } |
| |
| pc &= ~(target_ulong)3; |
| return pc; |
| } |
| |
| /* Load */ |
| static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc, |
| int rt, int base, int16_t offset) |
| { |
| const char *opn = "ld"; |
| TCGv t0, t1; |
| |
| if (rt == 0 && env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) { |
| /* Loongson CPU uses a load to zero register for prefetch. |
| We emulate it as a NOP. On other CPU we must perform the |
| actual memory access. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| t1 = tcg_temp_new(); |
| gen_base_offset_addr(ctx, t0, base, offset); |
| |
| switch (opc) { |
| #if defined(TARGET_MIPS64) |
| case OPC_LWU: |
| save_cpu_state(ctx, 0); |
| op_ld_lwu(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lwu"; |
| break; |
| case OPC_LD: |
| save_cpu_state(ctx, 0); |
| op_ld_ld(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "ld"; |
| break; |
| case OPC_LLD: |
| save_cpu_state(ctx, 1); |
| op_ld_lld(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lld"; |
| break; |
| case OPC_LDL: |
| save_cpu_state(ctx, 1); |
| gen_load_gpr(t1, rt); |
| gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx); |
| gen_store_gpr(t1, rt); |
| opn = "ldl"; |
| break; |
| case OPC_LDR: |
| save_cpu_state(ctx, 1); |
| gen_load_gpr(t1, rt); |
| gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx); |
| gen_store_gpr(t1, rt); |
| opn = "ldr"; |
| break; |
| case OPC_LDPC: |
| save_cpu_state(ctx, 0); |
| tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); |
| gen_op_addr_add(ctx, t0, t0, t1); |
| op_ld_ld(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "ldpc"; |
| break; |
| #endif |
| case OPC_LWPC: |
| save_cpu_state(ctx, 0); |
| tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); |
| gen_op_addr_add(ctx, t0, t0, t1); |
| op_ld_lw(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lwpc"; |
| break; |
| case OPC_LW: |
| save_cpu_state(ctx, 0); |
| op_ld_lw(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lw"; |
| break; |
| case OPC_LH: |
| save_cpu_state(ctx, 0); |
| op_ld_lh(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lh"; |
| break; |
| case OPC_LHU: |
| save_cpu_state(ctx, 0); |
| op_ld_lhu(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lhu"; |
| break; |
| case OPC_LB: |
| save_cpu_state(ctx, 0); |
| op_ld_lb(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lb"; |
| break; |
| case OPC_LBU: |
| save_cpu_state(ctx, 0); |
| op_ld_lbu(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "lbu"; |
| break; |
| case OPC_LWL: |
| save_cpu_state(ctx, 1); |
| gen_load_gpr(t1, rt); |
| gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx); |
| gen_store_gpr(t1, rt); |
| opn = "lwl"; |
| break; |
| case OPC_LWR: |
| save_cpu_state(ctx, 1); |
| gen_load_gpr(t1, rt); |
| gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx); |
| gen_store_gpr(t1, rt); |
| opn = "lwr"; |
| break; |
| case OPC_LL: |
| save_cpu_state(ctx, 1); |
| op_ld_ll(t0, t0, ctx); |
| gen_store_gpr(t0, rt); |
| opn = "ll"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| /* Store */ |
| static void gen_st (DisasContext *ctx, uint32_t opc, int rt, |
| int base, int16_t offset) |
| { |
| const char *opn = "st"; |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| |
| gen_base_offset_addr(ctx, t0, base, offset); |
| gen_load_gpr(t1, rt); |
| switch (opc) { |
| #if defined(TARGET_MIPS64) |
| case OPC_SD: |
| save_cpu_state(ctx, 0); |
| op_st_sd(t1, t0, ctx); |
| opn = "sd"; |
| break; |
| case OPC_SDL: |
| save_cpu_state(ctx, 1); |
| gen_helper_2i(sdl, t1, t0, ctx->mem_idx); |
| opn = "sdl"; |
| break; |
| case OPC_SDR: |
| save_cpu_state(ctx, 1); |
| gen_helper_2i(sdr, t1, t0, ctx->mem_idx); |
| opn = "sdr"; |
| break; |
| #endif |
| case OPC_SW: |
| save_cpu_state(ctx, 0); |
| op_st_sw(t1, t0, ctx); |
| opn = "sw"; |
| break; |
| case OPC_SH: |
| save_cpu_state(ctx, 0); |
| op_st_sh(t1, t0, ctx); |
| opn = "sh"; |
| break; |
| case OPC_SB: |
| save_cpu_state(ctx, 0); |
| op_st_sb(t1, t0, ctx); |
| opn = "sb"; |
| break; |
| case OPC_SWL: |
| save_cpu_state(ctx, 1); |
| gen_helper_2i(swl, t1, t0, ctx->mem_idx); |
| opn = "swl"; |
| break; |
| case OPC_SWR: |
| save_cpu_state(ctx, 1); |
| gen_helper_2i(swr, t1, t0, ctx->mem_idx); |
| opn = "swr"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| |
| /* Store conditional */ |
| static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt, |
| int base, int16_t offset) |
| { |
| const char *opn = "st_cond"; |
| TCGv t0, t1; |
| |
| t0 = tcg_temp_local_new(); |
| |
| gen_base_offset_addr(ctx, t0, base, offset); |
| /* Don't do NOP if destination is zero: we must perform the actual |
| memory access. */ |
| |
| t1 = tcg_temp_local_new(); |
| gen_load_gpr(t1, rt); |
| switch (opc) { |
| #if defined(TARGET_MIPS64) |
| case OPC_SCD: |
| save_cpu_state(ctx, 1); |
| op_st_scd(t1, t0, rt, ctx); |
| opn = "scd"; |
| break; |
| #endif |
| case OPC_SC: |
| save_cpu_state(ctx, 1); |
| op_st_sc(t1, t0, rt, ctx); |
| opn = "sc"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); |
| tcg_temp_free(t1); |
| tcg_temp_free(t0); |
| } |
| |
| /* 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"; |
| TCGv t0 = tcg_temp_new(); |
| |
| gen_base_offset_addr(ctx, t0, base, offset); |
| /* Don't do NOP if destination is zero: we must perform the actual |
| memory access. */ |
| switch (opc) { |
| case OPC_LWC1: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
| tcg_gen_trunc_tl_i32(fp0, t0); |
| gen_store_fpr32(fp0, ft); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "lwc1"; |
| break; |
| case OPC_SWC1: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv t1 = tcg_temp_new(); |
| |
| gen_load_fpr32(fp0, ft); |
| tcg_gen_extu_i32_tl(t1, fp0); |
| tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
| tcg_temp_free(t1); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "swc1"; |
| break; |
| case OPC_LDC1: |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
| gen_store_fpr64(ctx, fp0, ft); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "ldc1"; |
| break; |
| case OPC_SDC1: |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, ft); |
| tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "sdc1"; |
| break; |
| default: |
| MIPS_INVAL(opn); |
| generate_exception(ctx, EXCP_RI); |
| goto out; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]); |
| out: |
| tcg_temp_free(t0); |
| } |
| |
| static void gen_cop1_ldst(CPUState *env, DisasContext *ctx, |
| uint32_t op, int rt, int rs, int16_t imm) |
| { |
| if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| check_cp1_enabled(ctx); |
| gen_flt_ldst(ctx, op, rt, rs, imm); |
| } else { |
| generate_exception_err(ctx, EXCP_CpU, 1); |
| } |
| } |
| |
| /* 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 = (target_long)imm; /* Sign extend to 32/64 bits */ |
| 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; |
| } |
| switch (opc) { |
| case OPC_ADDI: |
| { |
| TCGv t0 = tcg_temp_local_new(); |
| TCGv t1 = tcg_temp_new(); |
| TCGv t2 = tcg_temp_new(); |
| int l1 = gen_new_label(); |
| |
| gen_load_gpr(t1, rs); |
| tcg_gen_addi_tl(t0, t1, uimm); |
| tcg_gen_ext32s_tl(t0, t0); |
| |
| tcg_gen_xori_tl(t1, t1, ~uimm); |
| tcg_gen_xori_tl(t2, t0, uimm); |
| tcg_gen_and_tl(t1, t1, t2); |
| tcg_temp_free(t2); |
| tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); |
| tcg_temp_free(t1); |
| /* operands of same sign, result different sign */ |
| generate_exception(ctx, EXCP_OVERFLOW); |
| gen_set_label(l1); |
| tcg_gen_ext32s_tl(t0, t0); |
| gen_store_gpr(t0, rt); |
| tcg_temp_free(t0); |
| } |
| opn = "addi"; |
| break; |
| case OPC_ADDIU: |
| if (rs != 0) { |
| tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| } |
| opn = "addiu"; |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DADDI: |
| { |
| TCGv t0 = tcg_temp_local_new(); |
| TCGv t1 = tcg_temp_new(); |
| TCGv t2 = tcg_temp_new(); |
| int l1 = gen_new_label(); |
| |
| gen_load_gpr(t1, rs); |
| tcg_gen_addi_tl(t0, t1, uimm); |
| |
| tcg_gen_xori_tl(t1, t1, ~uimm); |
| tcg_gen_xori_tl(t2, t0, uimm); |
| tcg_gen_and_tl(t1, t1, t2); |
| tcg_temp_free(t2); |
| tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); |
| tcg_temp_free(t1); |
| /* operands of same sign, result different sign */ |
| generate_exception(ctx, EXCP_OVERFLOW); |
| gen_set_label(l1); |
| gen_store_gpr(t0, rt); |
| tcg_temp_free(t0); |
| } |
| opn = "daddi"; |
| break; |
| case OPC_DADDIU: |
| if (rs != 0) { |
| tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| } |
| opn = "daddiu"; |
| break; |
| #endif |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); |
| } |
| |
| /* Logic with immediate operand */ |
| static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
| { |
| target_ulong uimm; |
| const char *opn = "imm logic"; |
| |
| if (rt == 0) { |
| /* If no destination, treat it as a NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| uimm = (uint16_t)imm; |
| switch (opc) { |
| case OPC_ANDI: |
| if (likely(rs != 0)) |
| tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| else |
| tcg_gen_movi_tl(cpu_gpr[rt], 0); |
| opn = "andi"; |
| break; |
| case OPC_ORI: |
| if (rs != 0) |
| tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| else |
| tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| opn = "ori"; |
| break; |
| case OPC_XORI: |
| if (likely(rs != 0)) |
| tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| else |
| tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| opn = "xori"; |
| break; |
| case OPC_LUI: |
| tcg_gen_movi_tl(cpu_gpr[rt], imm << 16); |
| opn = "lui"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); |
| } |
| |
| /* Set on less than with immediate operand */ |
| static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
| { |
| target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ |
| const char *opn = "imm arith"; |
| TCGv t0; |
| |
| if (rt == 0) { |
| /* If no destination, treat it as a NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| t0 = tcg_temp_new(); |
| gen_load_gpr(t0, rs); |
| switch (opc) { |
| case OPC_SLTI: |
| tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm); |
| opn = "slti"; |
| break; |
| case OPC_SLTIU: |
| tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm); |
| opn = "sltiu"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); |
| tcg_temp_free(t0); |
| } |
| |
| /* Shifts with immediate operand */ |
| static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc, |
| int rt, int rs, int16_t imm) |
| { |
| target_ulong uimm = ((uint16_t)imm) & 0x1f; |
| const char *opn = "imm shift"; |
| TCGv t0; |
| |
| if (rt == 0) { |
| /* If no destination, treat it as a NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| gen_load_gpr(t0, rs); |
| switch (opc) { |
| case OPC_SLL: |
| tcg_gen_shli_tl(t0, t0, uimm); |
| tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
| opn = "sll"; |
| break; |
| case OPC_SRA: |
| tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
| opn = "sra"; |
| break; |
| case OPC_SRL: |
| if (uimm != 0) { |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
| } else { |
| tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
| } |
| opn = "srl"; |
| break; |
| case OPC_ROTR: |
| if (uimm != 0) { |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| |
| tcg_gen_trunc_tl_i32(t1, t0); |
| tcg_gen_rotri_i32(t1, t1, uimm); |
| tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); |
| tcg_temp_free_i32(t1); |
| } else { |
| tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
| } |
| opn = "rotr"; |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DSLL: |
| tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); |
| opn = "dsll"; |
| break; |
| case OPC_DSRA: |
| tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
| opn = "dsra"; |
| break; |
| case OPC_DSRL: |
| tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
| opn = "dsrl"; |
| break; |
| case OPC_DROTR: |
| if (uimm != 0) { |
| tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); |
| } else { |
| tcg_gen_mov_tl(cpu_gpr[rt], t0); |
| } |
| opn = "drotr"; |
| break; |
| case OPC_DSLL32: |
| tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32); |
| opn = "dsll32"; |
| break; |
| case OPC_DSRA32: |
| tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32); |
| opn = "dsra32"; |
| break; |
| case OPC_DSRL32: |
| tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32); |
| opn = "dsrl32"; |
| break; |
| case OPC_DROTR32: |
| tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32); |
| opn = "drotr32"; |
| break; |
| #endif |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm); |
| tcg_temp_free(t0); |
| } |
| |
| /* 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; |
| } |
| |
| switch (opc) { |
| case OPC_ADD: |
| { |
| TCGv t0 = tcg_temp_local_new(); |
| TCGv t1 = tcg_temp_new(); |
| TCGv t2 = tcg_temp_new(); |
| int l1 = gen_new_label(); |
| |
| gen_load_gpr(t1, rs); |
| gen_load_gpr(t2, rt); |
| tcg_gen_add_tl(t0, t1, t2); |
| tcg_gen_ext32s_tl(t0, t0); |
| tcg_gen_xor_tl(t1, t1, t2); |
| tcg_gen_xor_tl(t2, t0, t2); |
| tcg_gen_andc_tl(t1, t2, t1); |
| tcg_temp_free(t2); |
| tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); |
| tcg_temp_free(t1); |
| /* operands of same sign, result different sign */ |
| generate_exception(ctx, EXCP_OVERFLOW); |
| gen_set_label(l1); |
| gen_store_gpr(t0, rd); |
| tcg_temp_free(t0); |
| } |
| opn = "add"; |
| break; |
| case OPC_ADDU: |
| if (rs != 0 && rt != 0) { |
| tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| } else if (rs == 0 && rt != 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| } else if (rs != 0 && rt == 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "addu"; |
| break; |
| case OPC_SUB: |
| { |
| TCGv t0 = tcg_temp_local_new(); |
| TCGv t1 = tcg_temp_new(); |
| TCGv t2 = tcg_temp_new(); |
| int l1 = gen_new_label(); |
| |
| gen_load_gpr(t1, rs); |
| gen_load_gpr(t2, rt); |
| tcg_gen_sub_tl(t0, t1, t2); |
| tcg_gen_ext32s_tl(t0, t0); |
| tcg_gen_xor_tl(t2, t1, t2); |
| tcg_gen_xor_tl(t1, t0, t1); |
| tcg_gen_and_tl(t1, t1, t2); |
| tcg_temp_free(t2); |
| tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); |
| tcg_temp_free(t1); |
| /* operands of different sign, first operand and result different sign */ |
| generate_exception(ctx, EXCP_OVERFLOW); |
| gen_set_label(l1); |
| gen_store_gpr(t0, rd); |
| tcg_temp_free(t0); |
| } |
| opn = "sub"; |
| break; |
| case OPC_SUBU: |
| if (rs != 0 && rt != 0) { |
| tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| } else if (rs == 0 && rt != 0) { |
| tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| } else if (rs != 0 && rt == 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "subu"; |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DADD: |
| { |
| TCGv t0 = tcg_temp_local_new(); |
| TCGv t1 = tcg_temp_new(); |
| TCGv t2 = tcg_temp_new(); |
| int l1 = gen_new_label(); |
| |
| gen_load_gpr(t1, rs); |
| gen_load_gpr(t2, rt); |
| tcg_gen_add_tl(t0, t1, t2); |
| tcg_gen_xor_tl(t1, t1, t2); |
| tcg_gen_xor_tl(t2, t0, t2); |
| tcg_gen_andc_tl(t1, t2, t1); |
| tcg_temp_free(t2); |
| tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); |
| tcg_temp_free(t1); |
| /* operands of same sign, result different sign */ |
| generate_exception(ctx, EXCP_OVERFLOW); |
| gen_set_label(l1); |
| gen_store_gpr(t0, rd); |
| tcg_temp_free(t0); |
| } |
| opn = "dadd"; |
| break; |
| case OPC_DADDU: |
| if (rs != 0 && rt != 0) { |
| tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| } else if (rs == 0 && rt != 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| } else if (rs != 0 && rt == 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "daddu"; |
| break; |
| case OPC_DSUB: |
| { |
| TCGv t0 = tcg_temp_local_new(); |
| TCGv t1 = tcg_temp_new(); |
| TCGv t2 = tcg_temp_new(); |
| int l1 = gen_new_label(); |
| |
| gen_load_gpr(t1, rs); |
| gen_load_gpr(t2, rt); |
| tcg_gen_sub_tl(t0, t1, t2); |
| tcg_gen_xor_tl(t2, t1, t2); |
| tcg_gen_xor_tl(t1, t0, t1); |
| tcg_gen_and_tl(t1, t1, t2); |
| tcg_temp_free(t2); |
| tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); |
| tcg_temp_free(t1); |
| /* operands of different sign, first operand and result different sign */ |
| generate_exception(ctx, EXCP_OVERFLOW); |
| gen_set_label(l1); |
| gen_store_gpr(t0, rd); |
| tcg_temp_free(t0); |
| } |
| opn = "dsub"; |
| break; |
| case OPC_DSUBU: |
| if (rs != 0 && rt != 0) { |
| tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| } else if (rs == 0 && rt != 0) { |
| tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| } else if (rs != 0 && rt == 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "dsubu"; |
| break; |
| #endif |
| case OPC_MUL: |
| if (likely(rs != 0 && rt != 0)) { |
| tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "mul"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
| } |
| |
| /* Conditional move */ |
| static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
| { |
| const char *opn = "cond move"; |
| int l1; |
| |
| if (rd == 0) { |
| /* If no destination, treat it as a NOP. |
| For add & sub, we must generate the overflow exception when needed. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| l1 = gen_new_label(); |
| switch (opc) { |
| case OPC_MOVN: |
| if (likely(rt != 0)) |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1); |
| else |
| tcg_gen_br(l1); |
| opn = "movn"; |
| break; |
| case OPC_MOVZ: |
| if (likely(rt != 0)) |
| tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1); |
| opn = "movz"; |
| break; |
| } |
| if (rs != 0) |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| else |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| gen_set_label(l1); |
| |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
| } |
| |
| /* Logic */ |
| static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
| { |
| const char *opn = "logic"; |
| |
| if (rd == 0) { |
| /* If no destination, treat it as a NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| switch (opc) { |
| case OPC_AND: |
| if (likely(rs != 0 && rt != 0)) { |
| tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "and"; |
| break; |
| case OPC_NOR: |
| if (rs != 0 && rt != 0) { |
| tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| } else if (rs == 0 && rt != 0) { |
| tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| } else if (rs != 0 && rt == 0) { |
| tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0)); |
| } |
| opn = "nor"; |
| break; |
| case OPC_OR: |
| if (likely(rs != 0 && rt != 0)) { |
| tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| } else if (rs == 0 && rt != 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| } else if (rs != 0 && rt == 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "or"; |
| break; |
| case OPC_XOR: |
| if (likely(rs != 0 && rt != 0)) { |
| tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| } else if (rs == 0 && rt != 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| } else if (rs != 0 && rt == 0) { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } else { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } |
| opn = "xor"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
| } |
| |
| /* Set on lower than */ |
| static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
| { |
| const char *opn = "slt"; |
| TCGv t0, t1; |
| |
| if (rd == 0) { |
| /* If no destination, treat it as a NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| t1 = tcg_temp_new(); |
| gen_load_gpr(t0, rs); |
| gen_load_gpr(t1, rt); |
| switch (opc) { |
| case OPC_SLT: |
| tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1); |
| opn = "slt"; |
| break; |
| case OPC_SLTU: |
| tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1); |
| opn = "sltu"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| /* Shifts */ |
| static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc, |
| int rd, int rs, int rt) |
| { |
| const char *opn = "shifts"; |
| TCGv t0, t1; |
| |
| if (rd == 0) { |
| /* If no destination, treat it as a NOP. |
| For add & sub, we must generate the overflow exception when needed. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| t1 = tcg_temp_new(); |
| gen_load_gpr(t0, rs); |
| gen_load_gpr(t1, rt); |
| switch (opc) { |
| case OPC_SLLV: |
| tcg_gen_andi_tl(t0, t0, 0x1f); |
| tcg_gen_shl_tl(t0, t1, t0); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
| opn = "sllv"; |
| break; |
| case OPC_SRAV: |
| tcg_gen_andi_tl(t0, t0, 0x1f); |
| tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
| opn = "srav"; |
| break; |
| case OPC_SRLV: |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_andi_tl(t0, t0, 0x1f); |
| tcg_gen_shr_tl(t0, t1, t0); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
| opn = "srlv"; |
| break; |
| case OPC_ROTRV: |
| { |
| TCGv_i32 t2 = tcg_temp_new_i32(); |
| TCGv_i32 t3 = tcg_temp_new_i32(); |
| |
| tcg_gen_trunc_tl_i32(t2, t0); |
| tcg_gen_trunc_tl_i32(t3, t1); |
| tcg_gen_andi_i32(t2, t2, 0x1f); |
| tcg_gen_rotr_i32(t2, t3, t2); |
| tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); |
| tcg_temp_free_i32(t2); |
| tcg_temp_free_i32(t3); |
| opn = "rotrv"; |
| } |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DSLLV: |
| tcg_gen_andi_tl(t0, t0, 0x3f); |
| tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); |
| opn = "dsllv"; |
| break; |
| case OPC_DSRAV: |
| tcg_gen_andi_tl(t0, t0, 0x3f); |
| tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
| opn = "dsrav"; |
| break; |
| case OPC_DSRLV: |
| tcg_gen_andi_tl(t0, t0, 0x3f); |
| tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); |
| opn = "dsrlv"; |
| break; |
| case OPC_DROTRV: |
| tcg_gen_andi_tl(t0, t0, 0x3f); |
| tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); |
| opn = "drotrv"; |
| break; |
| #endif |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| /* 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_mov_tl(cpu_gpr[reg], cpu_HI[0]); |
| opn = "mfhi"; |
| break; |
| case OPC_MFLO: |
| tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]); |
| opn = "mflo"; |
| break; |
| case OPC_MTHI: |
| if (reg != 0) |
| tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]); |
| else |
| tcg_gen_movi_tl(cpu_HI[0], 0); |
| opn = "mthi"; |
| break; |
| case OPC_MTLO: |
| if (reg != 0) |
| tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]); |
| else |
| tcg_gen_movi_tl(cpu_LO[0], 0); |
| opn = "mtlo"; |
| break; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| 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"; |
| TCGv t0, t1; |
| |
| switch (opc) { |
| case OPC_DIV: |
| case OPC_DIVU: |
| #if defined(TARGET_MIPS64) |
| case OPC_DDIV: |
| case OPC_DDIVU: |
| #endif |
| t0 = tcg_temp_local_new(); |
| t1 = tcg_temp_local_new(); |
| break; |
| default: |
| t0 = tcg_temp_new(); |
| t1 = tcg_temp_new(); |
| break; |
| } |
| |
| gen_load_gpr(t0, rs); |
| gen_load_gpr(t1, rt); |
| switch (opc) { |
| case OPC_DIV: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| |
| tcg_gen_ext32s_tl(t0, t0); |
| tcg_gen_ext32s_tl(t1, t1); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); |
| |
| tcg_gen_mov_tl(cpu_LO[0], t0); |
| tcg_gen_movi_tl(cpu_HI[0], 0); |
| tcg_gen_br(l1); |
| gen_set_label(l2); |
| tcg_gen_div_tl(cpu_LO[0], t0, t1); |
| tcg_gen_rem_tl(cpu_HI[0], t0, t1); |
| tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
| tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
| gen_set_label(l1); |
| } |
| opn = "div"; |
| break; |
| case OPC_DIVU: |
| { |
| int l1 = gen_new_label(); |
| |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
| tcg_gen_divu_tl(cpu_LO[0], t0, t1); |
| tcg_gen_remu_tl(cpu_HI[0], t0, t1); |
| tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
| tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
| gen_set_label(l1); |
| } |
| opn = "divu"; |
| break; |
| case OPC_MULT: |
| { |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| TCGv_i64 t3 = tcg_temp_new_i64(); |
| |
| tcg_gen_ext_tl_i64(t2, t0); |
| tcg_gen_ext_tl_i64(t3, t1); |
| tcg_gen_mul_i64(t2, t2, t3); |
| tcg_temp_free_i64(t3); |
| tcg_gen_trunc_i64_tl(t0, t2); |
| tcg_gen_shri_i64(t2, t2, 32); |
| tcg_gen_trunc_i64_tl(t1, t2); |
| tcg_temp_free_i64(t2); |
| tcg_gen_ext32s_tl(cpu_LO[0], t0); |
| tcg_gen_ext32s_tl(cpu_HI[0], t1); |
| } |
| opn = "mult"; |
| break; |
| case OPC_MULTU: |
| { |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| TCGv_i64 t3 = tcg_temp_new_i64(); |
| |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_extu_tl_i64(t2, t0); |
| tcg_gen_extu_tl_i64(t3, t1); |
| tcg_gen_mul_i64(t2, t2, t3); |
| tcg_temp_free_i64(t3); |
| tcg_gen_trunc_i64_tl(t0, t2); |
| tcg_gen_shri_i64(t2, t2, 32); |
| tcg_gen_trunc_i64_tl(t1, t2); |
| tcg_temp_free_i64(t2); |
| tcg_gen_ext32s_tl(cpu_LO[0], t0); |
| tcg_gen_ext32s_tl(cpu_HI[0], t1); |
| } |
| opn = "multu"; |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DDIV: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); |
| tcg_gen_mov_tl(cpu_LO[0], t0); |
| tcg_gen_movi_tl(cpu_HI[0], 0); |
| tcg_gen_br(l1); |
| gen_set_label(l2); |
| tcg_gen_div_i64(cpu_LO[0], t0, t1); |
| tcg_gen_rem_i64(cpu_HI[0], t0, t1); |
| gen_set_label(l1); |
| } |
| opn = "ddiv"; |
| break; |
| case OPC_DDIVU: |
| { |
| int l1 = gen_new_label(); |
| |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
| tcg_gen_divu_i64(cpu_LO[0], t0, t1); |
| tcg_gen_remu_i64(cpu_HI[0], t0, t1); |
| gen_set_label(l1); |
| } |
| opn = "ddivu"; |
| break; |
| case OPC_DMULT: |
| gen_helper_dmult(t0, t1); |
| opn = "dmult"; |
| break; |
| case OPC_DMULTU: |
| gen_helper_dmultu(t0, t1); |
| opn = "dmultu"; |
| break; |
| #endif |
| case OPC_MADD: |
| { |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| TCGv_i64 t3 = tcg_temp_new_i64(); |
| |
| tcg_gen_ext_tl_i64(t2, t0); |
| tcg_gen_ext_tl_i64(t3, t1); |
| tcg_gen_mul_i64(t2, t2, t3); |
| tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| tcg_gen_add_i64(t2, t2, t3); |
| tcg_temp_free_i64(t3); |
| tcg_gen_trunc_i64_tl(t0, t2); |
| tcg_gen_shri_i64(t2, t2, 32); |
| tcg_gen_trunc_i64_tl(t1, t2); |
| tcg_temp_free_i64(t2); |
| tcg_gen_ext32s_tl(cpu_LO[0], t0); |
| tcg_gen_ext32s_tl(cpu_HI[0], t1); |
| } |
| opn = "madd"; |
| break; |
| case OPC_MADDU: |
| { |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| TCGv_i64 t3 = tcg_temp_new_i64(); |
| |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_extu_tl_i64(t2, t0); |
| tcg_gen_extu_tl_i64(t3, t1); |
| tcg_gen_mul_i64(t2, t2, t3); |
| tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| tcg_gen_add_i64(t2, t2, t3); |
| tcg_temp_free_i64(t3); |
| tcg_gen_trunc_i64_tl(t0, t2); |
| tcg_gen_shri_i64(t2, t2, 32); |
| tcg_gen_trunc_i64_tl(t1, t2); |
| tcg_temp_free_i64(t2); |
| tcg_gen_ext32s_tl(cpu_LO[0], t0); |
| tcg_gen_ext32s_tl(cpu_HI[0], t1); |
| } |
| opn = "maddu"; |
| break; |
| case OPC_MSUB: |
| { |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| TCGv_i64 t3 = tcg_temp_new_i64(); |
| |
| tcg_gen_ext_tl_i64(t2, t0); |
| tcg_gen_ext_tl_i64(t3, t1); |
| tcg_gen_mul_i64(t2, t2, t3); |
| tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| tcg_gen_sub_i64(t2, t3, t2); |
| tcg_temp_free_i64(t3); |
| tcg_gen_trunc_i64_tl(t0, t2); |
| tcg_gen_shri_i64(t2, t2, 32); |
| tcg_gen_trunc_i64_tl(t1, t2); |
| tcg_temp_free_i64(t2); |
| tcg_gen_ext32s_tl(cpu_LO[0], t0); |
| tcg_gen_ext32s_tl(cpu_HI[0], t1); |
| } |
| opn = "msub"; |
| break; |
| case OPC_MSUBU: |
| { |
| TCGv_i64 t2 = tcg_temp_new_i64(); |
| TCGv_i64 t3 = tcg_temp_new_i64(); |
| |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_extu_tl_i64(t2, t0); |
| tcg_gen_extu_tl_i64(t3, t1); |
| tcg_gen_mul_i64(t2, t2, t3); |
| tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| tcg_gen_sub_i64(t2, t3, t2); |
| tcg_temp_free_i64(t3); |
| tcg_gen_trunc_i64_tl(t0, t2); |
| tcg_gen_shri_i64(t2, t2, 32); |
| tcg_gen_trunc_i64_tl(t1, t2); |
| tcg_temp_free_i64(t2); |
| tcg_gen_ext32s_tl(cpu_LO[0], t0); |
| tcg_gen_ext32s_tl(cpu_HI[0], t1); |
| } |
| opn = "msubu"; |
| break; |
| default: |
| MIPS_INVAL(opn); |
| generate_exception(ctx, EXCP_RI); |
| goto out; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]); |
| out: |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
| int rd, int rs, int rt) |
| { |
| const char *opn = "mul vr54xx"; |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| |
| gen_load_gpr(t0, rs); |
| gen_load_gpr(t1, rt); |
| |
| switch (opc) { |
| case OPC_VR54XX_MULS: |
| gen_helper_muls(t0, t0, t1); |
| opn = "muls"; |
| break; |
| case OPC_VR54XX_MULSU: |
| gen_helper_mulsu(t0, t0, t1); |
| opn = "mulsu"; |
| break; |
| case OPC_VR54XX_MACC: |
| gen_helper_macc(t0, t0, t1); |
| opn = "macc"; |
| break; |
| case OPC_VR54XX_MACCU: |
| gen_helper_maccu(t0, t0, t1); |
| opn = "maccu"; |
| break; |
| case OPC_VR54XX_MSAC: |
| gen_helper_msac(t0, t0, t1); |
| opn = "msac"; |
| break; |
| case OPC_VR54XX_MSACU: |
| gen_helper_msacu(t0, t0, t1); |
| opn = "msacu"; |
| break; |
| case OPC_VR54XX_MULHI: |
| gen_helper_mulhi(t0, t0, t1); |
| opn = "mulhi"; |
| break; |
| case OPC_VR54XX_MULHIU: |
| gen_helper_mulhiu(t0, t0, t1); |
| opn = "mulhiu"; |
| break; |
| case OPC_VR54XX_MULSHI: |
| gen_helper_mulshi(t0, t0, t1); |
| opn = "mulshi"; |
| break; |
| case OPC_VR54XX_MULSHIU: |
| gen_helper_mulshiu(t0, t0, t1); |
| opn = "mulshiu"; |
| break; |
| case OPC_VR54XX_MACCHI: |
| gen_helper_macchi(t0, t0, t1); |
| opn = "macchi"; |
| break; |
| case OPC_VR54XX_MACCHIU: |
| gen_helper_macchiu(t0, t0, t1); |
| opn = "macchiu"; |
| break; |
| case OPC_VR54XX_MSACHI: |
| gen_helper_msachi(t0, t0, t1); |
| opn = "msachi"; |
| break; |
| case OPC_VR54XX_MSACHIU: |
| gen_helper_msachiu(t0, t0, t1); |
| opn = "msachiu"; |
| break; |
| default: |
| MIPS_INVAL("mul vr54xx"); |
| generate_exception(ctx, EXCP_RI); |
| goto out; |
| } |
| gen_store_gpr(t0, rd); |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]); |
| |
| out: |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_cl (DisasContext *ctx, uint32_t opc, |
| int rd, int rs) |
| { |
| const char *opn = "CLx"; |
| TCGv t0; |
| |
| if (rd == 0) { |
| /* Treat as NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| t0 = tcg_temp_new(); |
| gen_load_gpr(t0, rs); |
| switch (opc) { |
| case OPC_CLO: |
| gen_helper_clo(cpu_gpr[rd], t0); |
| opn = "clo"; |
| break; |
| case OPC_CLZ: |
| gen_helper_clz(cpu_gpr[rd], t0); |
| opn = "clz"; |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DCLO: |
| gen_helper_dclo(cpu_gpr[rd], t0); |
| opn = "dclo"; |
| break; |
| case OPC_DCLZ: |
| gen_helper_dclz(cpu_gpr[rd], t0); |
| opn = "dclz"; |
| break; |
| #endif |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]); |
| tcg_temp_free(t0); |
| } |
| |
| /* Godson integer instructions */ |
| static void gen_loongson_integer (DisasContext *ctx, uint32_t opc, |
| int rd, int rs, int rt) |
| { |
| const char *opn = "loongson"; |
| TCGv t0, t1; |
| |
| if (rd == 0) { |
| /* Treat as NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| switch (opc) { |
| case OPC_MULT_G_2E: |
| case OPC_MULT_G_2F: |
| case OPC_MULTU_G_2E: |
| case OPC_MULTU_G_2F: |
| #if defined(TARGET_MIPS64) |
| case OPC_DMULT_G_2E: |
| case OPC_DMULT_G_2F: |
| case OPC_DMULTU_G_2E: |
| case OPC_DMULTU_G_2F: |
| #endif |
| t0 = tcg_temp_new(); |
| t1 = tcg_temp_new(); |
| break; |
| default: |
| t0 = tcg_temp_local_new(); |
| t1 = tcg_temp_local_new(); |
| break; |
| } |
| |
| gen_load_gpr(t0, rs); |
| gen_load_gpr(t1, rt); |
| |
| switch (opc) { |
| case OPC_MULT_G_2E: |
| case OPC_MULT_G_2F: |
| tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| opn = "mult.g"; |
| break; |
| case OPC_MULTU_G_2E: |
| case OPC_MULTU_G_2F: |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| opn = "multu.g"; |
| break; |
| case OPC_DIV_G_2E: |
| case OPC_DIV_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| int l3 = gen_new_label(); |
| tcg_gen_ext32s_tl(t0, t0); |
| tcg_gen_ext32s_tl(t1, t1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l3); |
| gen_set_label(l1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); |
| tcg_gen_mov_tl(cpu_gpr[rd], t0); |
| tcg_gen_br(l3); |
| gen_set_label(l2); |
| tcg_gen_div_tl(cpu_gpr[rd], t0, t1); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| gen_set_label(l3); |
| } |
| opn = "div.g"; |
| break; |
| case OPC_DIVU_G_2E: |
| case OPC_DIVU_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| gen_set_label(l2); |
| } |
| opn = "divu.g"; |
| break; |
| case OPC_MOD_G_2E: |
| case OPC_MOD_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| int l3 = gen_new_label(); |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); |
| gen_set_label(l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l3); |
| gen_set_label(l2); |
| tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| gen_set_label(l3); |
| } |
| opn = "mod.g"; |
| break; |
| case OPC_MODU_G_2E: |
| case OPC_MODU_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| tcg_gen_ext32u_tl(t0, t0); |
| tcg_gen_ext32u_tl(t1, t1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| gen_set_label(l2); |
| } |
| opn = "modu.g"; |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DMULT_G_2E: |
| case OPC_DMULT_G_2F: |
| tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
| opn = "dmult.g"; |
| break; |
| case OPC_DMULTU_G_2E: |
| case OPC_DMULTU_G_2F: |
| tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
| opn = "dmultu.g"; |
| break; |
| case OPC_DDIV_G_2E: |
| case OPC_DDIV_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| int l3 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l3); |
| gen_set_label(l1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); |
| tcg_gen_mov_tl(cpu_gpr[rd], t0); |
| tcg_gen_br(l3); |
| gen_set_label(l2); |
| tcg_gen_div_tl(cpu_gpr[rd], t0, t1); |
| gen_set_label(l3); |
| } |
| opn = "ddiv.g"; |
| break; |
| case OPC_DDIVU_G_2E: |
| case OPC_DDIVU_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); |
| gen_set_label(l2); |
| } |
| opn = "ddivu.g"; |
| break; |
| case OPC_DMOD_G_2E: |
| case OPC_DMOD_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| int l3 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); |
| gen_set_label(l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l3); |
| gen_set_label(l2); |
| tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); |
| gen_set_label(l3); |
| } |
| opn = "dmod.g"; |
| break; |
| case OPC_DMODU_G_2E: |
| case OPC_DMODU_G_2F: |
| { |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); |
| gen_set_label(l2); |
| } |
| opn = "dmodu.g"; |
| break; |
| #endif |
| } |
| |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| /* Traps */ |
| static void gen_trap (DisasContext *ctx, uint32_t opc, |
| int rs, int rt, int16_t imm) |
| { |
| int cond; |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| |
| cond = 0; |
| /* Load needed operands */ |
| switch (opc) { |
| case OPC_TEQ: |
| case OPC_TGE: |
| case OPC_TGEU: |
| case OPC_TLT: |
| case OPC_TLTU: |
| case OPC_TNE: |
| /* Compare two registers */ |
| if (rs != rt) { |
| gen_load_gpr(t0, rs); |
| gen_load_gpr(t1, rt); |
| cond = 1; |
| } |
| break; |
| case OPC_TEQI: |
| case OPC_TGEI: |
| case OPC_TGEIU: |
| case OPC_TLTI: |
| case OPC_TLTIU: |
| case OPC_TNEI: |
| /* Compare register to immediate */ |
| if (rs != 0 || imm != 0) { |
| gen_load_gpr(t0, rs); |
| tcg_gen_movi_tl(t1, (int32_t)imm); |
| cond = 1; |
| } |
| break; |
| } |
| if (cond == 0) { |
| switch (opc) { |
| case OPC_TEQ: /* rs == rs */ |
| case OPC_TEQI: /* r0 == 0 */ |
| case OPC_TGE: /* rs >= rs */ |
| case OPC_TGEI: /* r0 >= 0 */ |
| case OPC_TGEU: /* rs >= rs unsigned */ |
| case OPC_TGEIU: /* r0 >= 0 unsigned */ |
| /* Always trap */ |
| generate_exception(ctx, EXCP_TRAP); |
| break; |
| case OPC_TLT: /* rs < rs */ |
| case OPC_TLTI: /* r0 < 0 */ |
| case OPC_TLTU: /* rs < rs unsigned */ |
| case OPC_TLTIU: /* r0 < 0 unsigned */ |
| case OPC_TNE: /* rs != rs */ |
| case OPC_TNEI: /* r0 != 0 */ |
| /* Never trap: treat as NOP. */ |
| break; |
| } |
| } else { |
| int l1 = gen_new_label(); |
| |
| switch (opc) { |
| case OPC_TEQ: |
| case OPC_TEQI: |
| tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); |
| break; |
| case OPC_TGE: |
| case OPC_TGEI: |
| tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); |
| break; |
| case OPC_TGEU: |
| case OPC_TGEIU: |
| tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); |
| break; |
| case OPC_TLT: |
| case OPC_TLTI: |
| tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); |
| break; |
| case OPC_TLTU: |
| case OPC_TLTIU: |
| tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); |
| break; |
| case OPC_TNE: |
| case OPC_TNEI: |
| tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); |
| break; |
| } |
| generate_exception(ctx, EXCP_TRAP); |
| gen_set_label(l1); |
| } |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static 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) && |
| likely(!ctx->singlestep_enabled)) { |
| tcg_gen_goto_tb(n); |
| gen_save_pc(dest); |
| tcg_gen_exit_tb((tcg_target_long)tb + n); |
| } else { |
| gen_save_pc(dest); |
| if (ctx->singlestep_enabled) { |
| save_cpu_state(ctx, 0); |
| gen_helper_0i(raise_exception, EXCP_DEBUG); |
| } |
| tcg_gen_exit_tb(0); |
| } |
| } |
| |
| /* Branches (before delay slot) */ |
| static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
| int insn_bytes, |
| int rs, int rt, int32_t offset) |
| { |
| target_ulong btgt = -1; |
| int blink = 0; |
| int bcond_compute = 0; |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| |
| if (ctx->hflags & MIPS_HFLAG_BMASK) { |
| #ifdef MIPS_DEBUG_DISAS |
| LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc); |
| #endif |
| generate_exception(ctx, EXCP_RI); |
| goto out; |
| } |
| |
| /* Load needed operands */ |
| switch (opc) { |
| case OPC_BEQ: |
| case OPC_BEQL: |
| case OPC_BNE: |
| case OPC_BNEL: |
| /* Compare two registers */ |
| if (rs != rt) { |
| gen_load_gpr(t0, rs); |
| gen_load_gpr(t1, rt); |
| bcond_compute = 1; |
| } |
| btgt = ctx->pc + insn_bytes + offset; |
| break; |
| case OPC_BGEZ: |
| case OPC_BGEZAL: |
| case OPC_BGEZALS: |
| 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_BLTZALS: |
| case OPC_BLTZALL: |
| case OPC_BLTZL: |
| /* Compare to zero */ |
| if (rs != 0) { |
| gen_load_gpr(t0, rs); |
| bcond_compute = 1; |
| } |
| btgt = ctx->pc + insn_bytes + offset; |
| break; |
| case OPC_J: |
| case OPC_JAL: |
| case OPC_JALX: |
| case OPC_JALS: |
| case OPC_JALXS: |
| /* Jump to immediate */ |
| btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset; |
| break; |
| case OPC_JR: |
| case OPC_JALR: |
| case OPC_JALRC: |
| case OPC_JALRS: |
| /* 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); |
| goto out; |
| } |
| gen_load_gpr(btarget, rs); |
| break; |
| default: |
| MIPS_INVAL("branch/jump"); |
| generate_exception(ctx, EXCP_RI); |
| goto out; |
| } |
| if (bcond_compute == 0) { |
| /* No condition to be computed */ |
| switch (opc) { |
| case OPC_BEQ: /* rx == rx */ |
| case OPC_BEQL: /* rx == rx likely */ |
| case OPC_BGEZ: /* 0 >= 0 */ |
| case OPC_BGEZL: /* 0 >= 0 likely */ |
| case OPC_BLEZ: /* 0 <= 0 */ |
| case OPC_BLEZL: /* 0 <= 0 likely */ |
| /* Always take */ |
| ctx->hflags |= MIPS_HFLAG_B; |
| MIPS_DEBUG("balways"); |
| break; |
| case OPC_BGEZALS: |
| case OPC_BGEZAL: /* 0 >= 0 */ |
| case OPC_BGEZALL: /* 0 >= 0 likely */ |
| ctx->hflags |= (opc == OPC_BGEZALS |
| ? MIPS_HFLAG_BDS16 |
| : MIPS_HFLAG_BDS32); |
| /* 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)"); |
| goto out; |
| case OPC_BLTZALS: |
| case OPC_BLTZAL: /* 0 < 0 */ |
| ctx->hflags |= (opc == OPC_BLTZALS |
| ? MIPS_HFLAG_BDS16 |
| : MIPS_HFLAG_BDS32); |
| /* Handle as an unconditional branch to get correct delay |
| slot checking. */ |
| blink = 31; |
| btgt = ctx->pc + (opc == OPC_BLTZALS ? 6 : 8); |
| ctx->hflags |= MIPS_HFLAG_B; |
| MIPS_DEBUG("bnever and link"); |
| break; |
| case OPC_BLTZALL: /* 0 < 0 likely */ |
| tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); |
| /* Skip the instruction in the delay slot */ |
| MIPS_DEBUG("bnever, link and skip"); |
| ctx->pc += 4; |
| goto out; |
| case OPC_BNEL: /* rx != rx likely */ |
| case OPC_BGTZL: /* 0 > 0 likely */ |
| case OPC_BLTZL: /* 0 < 0 likely */ |
| /* Skip the instruction in the delay slot */ |
| MIPS_DEBUG("bnever and skip"); |
| ctx->pc += 4; |
| goto out; |
| case OPC_J: |
| ctx->hflags |= MIPS_HFLAG_B; |
| MIPS_DEBUG("j " TARGET_FMT_lx, btgt); |
| break; |
| case OPC_JALXS: |
| case OPC_JALX: |
| ctx->hflags |= MIPS_HFLAG_BX; |
| /* Fallthrough */ |
| case OPC_JALS: |
| case OPC_JAL: |
| blink = 31; |
| ctx->hflags |= MIPS_HFLAG_B; |
| ctx->hflags |= ((opc == OPC_JALS || opc == OPC_JALXS) |
| ? MIPS_HFLAG_BDS16 |
| : MIPS_HFLAG_BDS32); |
| MIPS_DEBUG("jal " TARGET_FMT_lx, btgt); |
| break; |
| case OPC_JR: |
| ctx->hflags |= MIPS_HFLAG_BR; |
| if (insn_bytes == 4) |
| ctx->hflags |= MIPS_HFLAG_BDS32; |
| MIPS_DEBUG("jr %s", regnames[rs]); |
| break; |
| case OPC_JALRS: |
| case OPC_JALR: |
| case OPC_JALRC: |
| blink = rt; |
| ctx->hflags |= MIPS_HFLAG_BR; |
| ctx->hflags |= (opc == OPC_JALRS |
| ? MIPS_HFLAG_BDS16 |
| : MIPS_HFLAG_BDS32); |
| MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]); |
| break; |
| default: |
| MIPS_INVAL("branch/jump"); |
| generate_exception(ctx, EXCP_RI); |
| goto out; |
| } |
| } else { |
| switch (opc) { |
| case OPC_BEQ: |
| tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); |
| MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx, |
| regnames[rs], regnames[rt], btgt); |
| goto not_likely; |
| case OPC_BEQL: |
| tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); |
| MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx, |
| regnames[rs], regnames[rt], btgt); |
| goto likely; |
| case OPC_BNE: |
| tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); |
| MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx, |
| regnames[rs], regnames[rt], btgt); |
| goto not_likely; |
| case OPC_BNEL: |
| tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); |
| MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx, |
| regnames[rs], regnames[rt], btgt); |
| goto likely; |
| case OPC_BGEZ: |
| tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
| MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto not_likely; |
| case OPC_BGEZL: |
| tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
| MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto likely; |
| case OPC_BGEZALS: |
| case OPC_BGEZAL: |
| ctx->hflags |= (opc == OPC_BGEZALS |
| ? MIPS_HFLAG_BDS16 |
| : MIPS_HFLAG_BDS32); |
| tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
| MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| blink = 31; |
| goto not_likely; |
| case OPC_BGEZALL: |
| tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); |
| blink = 31; |
| MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto likely; |
| case OPC_BGTZ: |
| tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); |
| MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto not_likely; |
| case OPC_BGTZL: |
| tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); |
| MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto likely; |
| case OPC_BLEZ: |
| tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); |
| MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto not_likely; |
| case OPC_BLEZL: |
| tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); |
| MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto likely; |
| case OPC_BLTZ: |
| tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
| MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto not_likely; |
| case OPC_BLTZL: |
| tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
| MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| goto likely; |
| case OPC_BLTZALS: |
| case OPC_BLTZAL: |
| ctx->hflags |= (opc == OPC_BLTZALS |
| ? MIPS_HFLAG_BDS16 |
| : MIPS_HFLAG_BDS32); |
| tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
| blink = 31; |
| MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| not_likely: |
| ctx->hflags |= MIPS_HFLAG_BC; |
| break; |
| case OPC_BLTZALL: |
| tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); |
| blink = 31; |
| MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt); |
| likely: |
| ctx->hflags |= MIPS_HFLAG_BL; |
| break; |
| default: |
| MIPS_INVAL("conditional branch/jump"); |
| generate_exception(ctx, EXCP_RI); |
| goto out; |
| } |
| } |
| MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx, |
| blink, ctx->hflags, btgt); |
| |
| ctx->btarget = btgt; |
| if (blink > 0) { |
| int post_delay = insn_bytes; |
| int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16); |
| |
| if (opc != OPC_JALRC) |
| post_delay += ((ctx->hflags & MIPS_HFLAG_BDS16) ? 2 : 4); |
| |
| tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + post_delay + lowbit); |
| } |
| |
| out: |
| if (insn_bytes == 2) |
| ctx->hflags |= MIPS_HFLAG_B16; |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| /* special3 bitfield operations */ |
| static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
| int rs, int lsb, int msb) |
| { |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| target_ulong mask; |
| |
| gen_load_gpr(t1, rs); |
| switch (opc) { |
| case OPC_EXT: |
| if (lsb + msb > 31) |
| goto fail; |
| tcg_gen_shri_tl(t0, t1, lsb); |
| if (msb != 31) { |
| tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1); |
| } else { |
| tcg_gen_ext32s_tl(t0, t0); |
| } |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DEXTM: |
| tcg_gen_shri_tl(t0, t1, lsb); |
| if (msb != 31) { |
| tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1); |
| } |
| break; |
| case OPC_DEXTU: |
| tcg_gen_shri_tl(t0, t1, lsb + 32); |
| tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
| break; |
| case OPC_DEXT: |
| tcg_gen_shri_tl(t0, t1, lsb); |
| tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
| break; |
| #endif |
| case OPC_INS: |
| if (lsb > msb) |
| goto fail; |
| mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb; |
| gen_load_gpr(t0, rt); |
| tcg_gen_andi_tl(t0, t0, ~mask); |
| tcg_gen_shli_tl(t1, t1, lsb); |
| tcg_gen_andi_tl(t1, t1, mask); |
| tcg_gen_or_tl(t0, t0, t1); |
| tcg_gen_ext32s_tl(t0, t0); |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DINSM: |
| if (lsb > msb) |
| goto fail; |
| mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb; |
| gen_load_gpr(t0, rt); |
| tcg_gen_andi_tl(t0, t0, ~mask); |
| tcg_gen_shli_tl(t1, t1, lsb); |
| tcg_gen_andi_tl(t1, t1, mask); |
| tcg_gen_or_tl(t0, t0, t1); |
| break; |
| case OPC_DINSU: |
| if (lsb > msb) |
| goto fail; |
| mask = ((1ULL << (msb - lsb + 1)) - 1) << (lsb + 32); |
| gen_load_gpr(t0, rt); |
| tcg_gen_andi_tl(t0, t0, ~mask); |
| tcg_gen_shli_tl(t1, t1, lsb + 32); |
| tcg_gen_andi_tl(t1, t1, mask); |
| tcg_gen_or_tl(t0, t0, t1); |
| break; |
| case OPC_DINS: |
| if (lsb > msb) |
| goto fail; |
| gen_load_gpr(t0, rt); |
| mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb; |
| gen_load_gpr(t0, rt); |
| tcg_gen_andi_tl(t0, t0, ~mask); |
| tcg_gen_shli_tl(t1, t1, lsb); |
| tcg_gen_andi_tl(t1, t1, mask); |
| tcg_gen_or_tl(t0, t0, t1); |
| break; |
| #endif |
| default: |
| fail: |
| MIPS_INVAL("bitops"); |
| generate_exception(ctx, EXCP_RI); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| return; |
| } |
| gen_store_gpr(t0, rt); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd) |
| { |
| TCGv t0; |
| |
| if (rd == 0) { |
| /* If no destination, treat it as a NOP. */ |
| MIPS_DEBUG("NOP"); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| gen_load_gpr(t0, rt); |
| switch (op2) { |
| case OPC_WSBH: |
| { |
| TCGv t1 = tcg_temp_new(); |
| |
| tcg_gen_shri_tl(t1, t0, 8); |
| tcg_gen_andi_tl(t1, t1, 0x00FF00FF); |
| tcg_gen_shli_tl(t0, t0, 8); |
| tcg_gen_andi_tl(t0, t0, ~0x00FF00FF); |
| tcg_gen_or_tl(t0, t0, t1); |
| tcg_temp_free(t1); |
| tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
| } |
| break; |
| case OPC_SEB: |
| tcg_gen_ext8s_tl(cpu_gpr[rd], t0); |
| break; |
| case OPC_SEH: |
| tcg_gen_ext16s_tl(cpu_gpr[rd], t0); |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DSBH: |
| { |
| TCGv t1 = tcg_temp_new(); |
| |
| tcg_gen_shri_tl(t1, t0, 8); |
| tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL); |
| tcg_gen_shli_tl(t0, t0, 8); |
| tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL); |
| tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
| tcg_temp_free(t1); |
| } |
| break; |
| case OPC_DSHD: |
| { |
| TCGv t1 = tcg_temp_new(); |
| |
| tcg_gen_shri_tl(t1, t0, 16); |
| tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL); |
| tcg_gen_shli_tl(t0, t0, 16); |
| tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL); |
| tcg_gen_or_tl(t0, t0, t1); |
| tcg_gen_shri_tl(t1, t0, 32); |
| tcg_gen_shli_tl(t0, t0, 32); |
| tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
| tcg_temp_free(t1); |
| } |
| break; |
| #endif |
| default: |
| MIPS_INVAL("bsfhl"); |
| generate_exception(ctx, EXCP_RI); |
| tcg_temp_free(t0); |
| return; |
| } |
| tcg_temp_free(t0); |
| } |
| |
| #ifndef CONFIG_USER_ONLY |
| /* CP0 (MMU and control) */ |
| static inline void gen_mfc0_load32 (TCGv arg, target_ulong off) |
| { |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| |
| tcg_gen_ld_i32(t0, cpu_env, off); |
| tcg_gen_ext_i32_tl(arg, t0); |
| tcg_temp_free_i32(t0); |
| } |
| |
| static inline void gen_mfc0_load64 (TCGv arg, target_ulong off) |
| { |
| tcg_gen_ld_tl(arg, cpu_env, off); |
| tcg_gen_ext32s_tl(arg, arg); |
| } |
| |
| static inline void gen_mtc0_store32 (TCGv arg, target_ulong off) |
| { |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| |
| tcg_gen_trunc_tl_i32(t0, arg); |
| tcg_gen_st_i32(t0, cpu_env, off); |
| tcg_temp_free_i32(t0); |
| } |
| |
| static inline void gen_mtc0_store64 (TCGv arg, target_ulong off) |
| { |
| tcg_gen_ext32s_tl(arg, arg); |
| tcg_gen_st_tl(arg, cpu_env, off); |
| } |
| |
| static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, 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_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
| rn = "Index"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_mvpcontrol(arg); |
| rn = "MVPControl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_mvpconf0(arg); |
| rn = "MVPConf0"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_mvpconf1(arg); |
| rn = "MVPConf1"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 1: |
| switch (sel) { |
| case 0: |
| gen_helper_mfc0_random(arg); |
| rn = "Random"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
| rn = "VPEControl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
| rn = "VPEConf0"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
| rn = "VPEConf1"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask)); |
| rn = "YQMask"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule)); |
| rn = "VPESchedule"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
| rn = "VPEScheFBack"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
| rn = "VPEOpt"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 2: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "EntryLo0"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tcstatus(arg); |
| rn = "TCStatus"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tcbind(arg); |
| rn = "TCBind"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tcrestart(arg); |
| rn = "TCRestart"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tchalt(arg); |
| rn = "TCHalt"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tccontext(arg); |
| rn = "TCContext"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tcschedule(arg); |
| rn = "TCSchedule"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tcschefback(arg); |
| rn = "TCScheFBack"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 3: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "EntryLo1"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 4: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "Context"; |
| break; |
| case 1: |
| // gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */ |
| rn = "ContextConfig"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 5: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
| rn = "PageMask"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
| rn = "PageGrain"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 6: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
| rn = "Wired"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
| rn = "SRSConf0"; |
| break; |
| case 2: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
| rn = "SRSConf1"; |
| break; |
| case 3: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
| rn = "SRSConf2"; |
| break; |
| case 4: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
| rn = "SRSConf3"; |
| break; |
| case 5: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
| rn = "SRSConf4"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 7: |
| switch (sel) { |
| case 0: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
| rn = "HWREna"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 8: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "BadVAddr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 9: |
| switch (sel) { |
| case 0: |
| /* Mark as an IO operation because we read the time. */ |
| if (use_icount) |
| gen_io_start(); |
| gen_helper_mfc0_count(arg); |
| if (use_icount) { |
| gen_io_end(); |
| } |
| /* Break the TB to be able to take timer interrupts immediately |
| after reading count. */ |
| ctx->bstate = BS_STOP; |
| rn = "Count"; |
| break; |
| /* 6,7 are implementation dependent */ |
| default: |
| goto die; |
| } |
| break; |
| case 10: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "EntryHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 11: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
| rn = "Compare"; |
| break; |
| /* 6,7 are implementation dependent */ |
| default: |
| goto die; |
| } |
| break; |
| case 12: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
| rn = "Status"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
| rn = "IntCtl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
| rn = "SRSCtl"; |
| break; |
| case 3: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
| rn = "SRSMap"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 13: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
| rn = "Cause"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 14: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "EPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 15: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
| rn = "PRid"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
| rn = "EBase"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 16: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
| rn = "Config"; |
| break; |
| case 1: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
| rn = "Config1"; |
| break; |
| case 2: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
| rn = "Config2"; |
| break; |
| case 3: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
| rn = "Config3"; |
| break; |
| /* 4,5 are reserved */ |
| /* 6,7 are implementation dependent */ |
| case 6: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
| rn = "Config6"; |
| break; |
| case 7: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
| rn = "Config7"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 17: |
| switch (sel) { |
| case 0: |
| gen_helper_mfc0_lladdr(arg); |
| rn = "LLAddr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 18: |
| switch (sel) { |
| case 0 ... 7: |
| gen_helper_1i(mfc0_watchlo, arg, sel); |
| rn = "WatchLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 19: |
| switch (sel) { |
| case 0 ...7: |
| gen_helper_1i(mfc0_watchhi, arg, 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(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
| tcg_gen_ext32s_tl(arg, arg); |
| 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_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
| rn = "Framemask"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 22: |
| tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| rn = "'Diagnostic"; /* implementation dependent */ |
| break; |
| case 23: |
| switch (sel) { |
| case 0: |
| gen_helper_mfc0_debug(arg); /* EJTAG support */ |
| rn = "Debug"; |
| break; |
| case 1: |
| // gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */ |
| rn = "TraceControl"; |
| // break; |
| case 2: |
| // gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */ |
| rn = "TraceControl2"; |
| // break; |
| case 3: |
| // gen_helper_mfc0_usertracedata(arg); /* PDtrace support */ |
| rn = "UserTraceData"; |
| // break; |
| case 4: |
| // gen_helper_mfc0_tracebpc(arg); /* PDtrace support */ |
| rn = "TraceBPC"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 24: |
| switch (sel) { |
| case 0: |
| /* EJTAG support */ |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "DEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 25: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
| rn = "Performance0"; |
| break; |
| case 1: |
| // gen_helper_mfc0_performance1(arg); |
| rn = "Performance1"; |
| // break; |
| case 2: |
| // gen_helper_mfc0_performance2(arg); |
| rn = "Performance2"; |
| // break; |
| case 3: |
| // gen_helper_mfc0_performance3(arg); |
| rn = "Performance3"; |
| // break; |
| case 4: |
| // gen_helper_mfc0_performance4(arg); |
| rn = "Performance4"; |
| // break; |
| case 5: |
| // gen_helper_mfc0_performance5(arg); |
| rn = "Performance5"; |
| // break; |
| case 6: |
| // gen_helper_mfc0_performance6(arg); |
| rn = "Performance6"; |
| // break; |
| case 7: |
| // gen_helper_mfc0_performance7(arg); |
| rn = "Performance7"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 26: |
| tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| rn = "ECC"; |
| break; |
| case 27: |
| switch (sel) { |
| case 0 ... 3: |
| tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| rn = "CacheErr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 28: |
| switch (sel) { |
| case 0: |
| case 2: |
| case 4: |
| case 6: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
| rn = "TagLo"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
| rn = "DataLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 29: |
| switch (sel) { |
| case 0: |
| case 2: |
| case 4: |
| case 6: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
| rn = "TagHi"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
| rn = "DataHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 30: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
| tcg_gen_ext32s_tl(arg, arg); |
| rn = "ErrorEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 31: |
| switch (sel) { |
| case 0: |
| /* EJTAG support */ |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
| rn = "DESAVE"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| default: |
| goto die; |
| } |
| (void)rn; /* avoid a compiler warning */ |
| LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| return; |
| |
| die: |
| LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| generate_exception(ctx, EXCP_RI); |
| } |
| |
| static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
| { |
| const char *rn = "invalid"; |
| |
| if (sel != 0) |
| check_insn(env, ctx, ISA_MIPS32); |
| |
| if (use_icount) |
| gen_io_start(); |
| |
| switch (reg) { |
| case 0: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_index(arg); |
| rn = "Index"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_mvpcontrol(arg); |
| 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_helper_mtc0_vpecontrol(arg); |
| rn = "VPEControl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_vpeconf0(arg); |
| rn = "VPEConf0"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_vpeconf1(arg); |
| rn = "VPEConf1"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_yqmask(arg); |
| rn = "YQMask"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule)); |
| rn = "VPESchedule"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
| rn = "VPEScheFBack"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_vpeopt(arg); |
| rn = "VPEOpt"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 2: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_entrylo0(arg); |
| rn = "EntryLo0"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcstatus(arg); |
| rn = "TCStatus"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcbind(arg); |
| rn = "TCBind"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcrestart(arg); |
| rn = "TCRestart"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tchalt(arg); |
| rn = "TCHalt"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tccontext(arg); |
| rn = "TCContext"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcschedule(arg); |
| rn = "TCSchedule"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcschefback(arg); |
| rn = "TCScheFBack"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 3: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_entrylo1(arg); |
| rn = "EntryLo1"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 4: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_context(arg); |
| rn = "Context"; |
| break; |
| case 1: |
| // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */ |
| rn = "ContextConfig"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 5: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_pagemask(arg); |
| rn = "PageMask"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_pagegrain(arg); |
| rn = "PageGrain"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 6: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_wired(arg); |
| rn = "Wired"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf0(arg); |
| rn = "SRSConf0"; |
| break; |
| case 2: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf1(arg); |
| rn = "SRSConf1"; |
| break; |
| case 3: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf2(arg); |
| rn = "SRSConf2"; |
| break; |
| case 4: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf3(arg); |
| rn = "SRSConf3"; |
| break; |
| case 5: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf4(arg); |
| rn = "SRSConf4"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 7: |
| switch (sel) { |
| case 0: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_hwrena(arg); |
| rn = "HWREna"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 8: |
| /* ignored */ |
| rn = "BadVAddr"; |
| break; |
| case 9: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_count(arg); |
| rn = "Count"; |
| break; |
| /* 6,7 are implementation dependent */ |
| default: |
| goto die; |
| } |
| break; |
| case 10: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_entryhi(arg); |
| rn = "EntryHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 11: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_compare(arg); |
| rn = "Compare"; |
| break; |
| /* 6,7 are implementation dependent */ |
| default: |
| goto die; |
| } |
| break; |
| case 12: |
| switch (sel) { |
| case 0: |
| save_cpu_state(ctx, 1); |
| gen_helper_mtc0_status(arg); |
| /* 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_helper_mtc0_intctl(arg); |
| /* 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_helper_mtc0_srsctl(arg); |
| /* 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_mtc0_store32(arg, offsetof(CPUState, CP0_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: |
| save_cpu_state(ctx, 1); |
| gen_helper_mtc0_cause(arg); |
| rn = "Cause"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 14: |
| switch (sel) { |
| case 0: |
| gen_mtc0_store64(arg, offsetof(CPUState, CP0_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_helper_mtc0_ebase(arg); |
| rn = "EBase"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 16: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_config0(arg); |
| 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_helper_mtc0_config2(arg); |
| 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: |
| gen_helper_mtc0_lladdr(arg); |
| rn = "LLAddr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 18: |
| switch (sel) { |
| case 0 ... 7: |
| gen_helper_1i(mtc0_watchlo, arg, sel); |
| rn = "WatchLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 19: |
| switch (sel) { |
| case 0 ... 7: |
| gen_helper_1i(mtc0_watchhi, arg, 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_helper_mtc0_xcontext(arg); |
| 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_helper_mtc0_framemask(arg); |
| rn = "Framemask"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 22: |
| /* ignored */ |
| rn = "Diagnostic"; /* implementation dependent */ |
| break; |
| case 23: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_debug(arg); /* 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_helper_mtc0_tracecontrol(arg); /* PDtrace support */ |
| rn = "TraceControl"; |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| // break; |
| case 2: |
| // gen_helper_mtc0_tracecontrol2(arg); /* 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_helper_mtc0_usertracedata(arg); /* PDtrace support */ |
| rn = "UserTraceData"; |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| // break; |
| case 4: |
| // gen_helper_mtc0_tracebpc(arg); /* 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: |
| /* EJTAG support */ |
| gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC)); |
| rn = "DEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 25: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_performance0(arg); |
| rn = "Performance0"; |
| break; |
| case 1: |
| // gen_helper_mtc0_performance1(arg); |
| rn = "Performance1"; |
| // break; |
| case 2: |
| // gen_helper_mtc0_performance2(arg); |
| rn = "Performance2"; |
| // break; |
| case 3: |
| // gen_helper_mtc0_performance3(arg); |
| rn = "Performance3"; |
| // break; |
| case 4: |
| // gen_helper_mtc0_performance4(arg); |
| rn = "Performance4"; |
| // break; |
| case 5: |
| // gen_helper_mtc0_performance5(arg); |
| rn = "Performance5"; |
| // break; |
| case 6: |
| // gen_helper_mtc0_performance6(arg); |
| rn = "Performance6"; |
| // break; |
| case 7: |
| // gen_helper_mtc0_performance7(arg); |
| 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_helper_mtc0_taglo(arg); |
| rn = "TagLo"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_helper_mtc0_datalo(arg); |
| rn = "DataLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 29: |
| switch (sel) { |
| case 0: |
| case 2: |
| case 4: |
| case 6: |
| gen_helper_mtc0_taghi(arg); |
| rn = "TagHi"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_helper_mtc0_datahi(arg); |
| rn = "DataHi"; |
| break; |
| default: |
| rn = "invalid sel"; |
| goto die; |
| } |
| break; |
| case 30: |
| switch (sel) { |
| case 0: |
| gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC)); |
| rn = "ErrorEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 31: |
| switch (sel) { |
| case 0: |
| /* EJTAG support */ |
| gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
| rn = "DESAVE"; |
| break; |
| default: |
| goto die; |
| } |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| break; |
| default: |
| goto die; |
| } |
| (void)rn; /* avoid a compiler warning */ |
| LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| /* For simplicity assume that all writes can cause interrupts. */ |
| if (use_icount) { |
| gen_io_end(); |
| ctx->bstate = BS_STOP; |
| } |
| return; |
| |
| die: |
| LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| generate_exception(ctx, EXCP_RI); |
| } |
| |
| #if defined(TARGET_MIPS64) |
| static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, 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_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
| rn = "Index"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_mvpcontrol(arg); |
| rn = "MVPControl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_mvpconf0(arg); |
| rn = "MVPConf0"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_mvpconf1(arg); |
| rn = "MVPConf1"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 1: |
| switch (sel) { |
| case 0: |
| gen_helper_mfc0_random(arg); |
| rn = "Random"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
| rn = "VPEControl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
| rn = "VPEConf0"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
| rn = "VPEConf1"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask)); |
| rn = "YQMask"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
| rn = "VPESchedule"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
| rn = "VPEScheFBack"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
| rn = "VPEOpt"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 2: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
| rn = "EntryLo0"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tcstatus(arg); |
| rn = "TCStatus"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mfc0_tcbind(arg); |
| rn = "TCBind"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_dmfc0_tcrestart(arg); |
| rn = "TCRestart"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_dmfc0_tchalt(arg); |
| rn = "TCHalt"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_dmfc0_tccontext(arg); |
| rn = "TCContext"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_dmfc0_tcschedule(arg); |
| rn = "TCSchedule"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_dmfc0_tcschefback(arg); |
| rn = "TCScheFBack"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 3: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
| rn = "EntryLo1"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 4: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
| rn = "Context"; |
| break; |
| case 1: |
| // gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */ |
| rn = "ContextConfig"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 5: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
| rn = "PageMask"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
| rn = "PageGrain"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 6: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
| rn = "Wired"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
| rn = "SRSConf0"; |
| break; |
| case 2: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
| rn = "SRSConf1"; |
| break; |
| case 3: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
| rn = "SRSConf2"; |
| break; |
| case 4: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
| rn = "SRSConf3"; |
| break; |
| case 5: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
| rn = "SRSConf4"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 7: |
| switch (sel) { |
| case 0: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
| rn = "HWREna"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 8: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
| rn = "BadVAddr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 9: |
| switch (sel) { |
| case 0: |
| /* Mark as an IO operation because we read the time. */ |
| if (use_icount) |
| gen_io_start(); |
| gen_helper_mfc0_count(arg); |
| if (use_icount) { |
| gen_io_end(); |
| } |
| /* Break the TB to be able to take timer interrupts immediately |
| after reading count. */ |
| ctx->bstate = BS_STOP; |
| rn = "Count"; |
| break; |
| /* 6,7 are implementation dependent */ |
| default: |
| goto die; |
| } |
| break; |
| case 10: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
| rn = "EntryHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 11: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
| rn = "Compare"; |
| break; |
| /* 6,7 are implementation dependent */ |
| default: |
| goto die; |
| } |
| break; |
| case 12: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
| rn = "Status"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
| rn = "IntCtl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
| rn = "SRSCtl"; |
| break; |
| case 3: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
| rn = "SRSMap"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 13: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
| rn = "Cause"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 14: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
| rn = "EPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 15: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
| rn = "PRid"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
| rn = "EBase"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 16: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
| rn = "Config"; |
| break; |
| case 1: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
| rn = "Config1"; |
| break; |
| case 2: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
| rn = "Config2"; |
| break; |
| case 3: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
| rn = "Config3"; |
| break; |
| /* 6,7 are implementation dependent */ |
| case 6: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
| rn = "Config6"; |
| break; |
| case 7: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
| rn = "Config7"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 17: |
| switch (sel) { |
| case 0: |
| gen_helper_dmfc0_lladdr(arg); |
| rn = "LLAddr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 18: |
| switch (sel) { |
| case 0 ... 7: |
| gen_helper_1i(dmfc0_watchlo, arg, sel); |
| rn = "WatchLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 19: |
| switch (sel) { |
| case 0 ... 7: |
| gen_helper_1i(mfc0_watchhi, arg, sel); |
| rn = "WatchHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 20: |
| switch (sel) { |
| case 0: |
| check_insn(env, ctx, ISA_MIPS3); |
| tcg_gen_ld_tl(arg, 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: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
| rn = "Framemask"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 22: |
| tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| rn = "'Diagnostic"; /* implementation dependent */ |
| break; |
| case 23: |
| switch (sel) { |
| case 0: |
| gen_helper_mfc0_debug(arg); /* EJTAG support */ |
| rn = "Debug"; |
| break; |
| case 1: |
| // gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */ |
| rn = "TraceControl"; |
| // break; |
| case 2: |
| // gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */ |
| rn = "TraceControl2"; |
| // break; |
| case 3: |
| // gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */ |
| rn = "UserTraceData"; |
| // break; |
| case 4: |
| // gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */ |
| rn = "TraceBPC"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 24: |
| switch (sel) { |
| case 0: |
| /* EJTAG support */ |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
| rn = "DEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 25: |
| switch (sel) { |
| case 0: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
| rn = "Performance0"; |
| break; |
| case 1: |
| // gen_helper_dmfc0_performance1(arg); |
| rn = "Performance1"; |
| // break; |
| case 2: |
| // gen_helper_dmfc0_performance2(arg); |
| rn = "Performance2"; |
| // break; |
| case 3: |
| // gen_helper_dmfc0_performance3(arg); |
| rn = "Performance3"; |
| // break; |
| case 4: |
| // gen_helper_dmfc0_performance4(arg); |
| rn = "Performance4"; |
| // break; |
| case 5: |
| // gen_helper_dmfc0_performance5(arg); |
| rn = "Performance5"; |
| // break; |
| case 6: |
| // gen_helper_dmfc0_performance6(arg); |
| rn = "Performance6"; |
| // break; |
| case 7: |
| // gen_helper_dmfc0_performance7(arg); |
| rn = "Performance7"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 26: |
| tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| rn = "ECC"; |
| break; |
| case 27: |
| switch (sel) { |
| /* ignored */ |
| case 0 ... 3: |
| tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| rn = "CacheErr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 28: |
| switch (sel) { |
| case 0: |
| case 2: |
| case 4: |
| case 6: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
| rn = "TagLo"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
| rn = "DataLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 29: |
| switch (sel) { |
| case 0: |
| case 2: |
| case 4: |
| case 6: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
| rn = "TagHi"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
| rn = "DataHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 30: |
| switch (sel) { |
| case 0: |
| tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
| rn = "ErrorEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 31: |
| switch (sel) { |
| case 0: |
| /* EJTAG support */ |
| gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
| rn = "DESAVE"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| default: |
| goto die; |
| } |
| (void)rn; /* avoid a compiler warning */ |
| LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| return; |
| |
| die: |
| LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| generate_exception(ctx, EXCP_RI); |
| } |
| |
| static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
| { |
| const char *rn = "invalid"; |
| |
| if (sel != 0) |
| check_insn(env, ctx, ISA_MIPS64); |
| |
| if (use_icount) |
| gen_io_start(); |
| |
| switch (reg) { |
| case 0: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_index(arg); |
| rn = "Index"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_mvpcontrol(arg); |
| 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_helper_mtc0_vpecontrol(arg); |
| rn = "VPEControl"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_vpeconf0(arg); |
| rn = "VPEConf0"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_vpeconf1(arg); |
| rn = "VPEConf1"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_yqmask(arg); |
| rn = "YQMask"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
| rn = "VPESchedule"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
| rn = "VPEScheFBack"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_vpeopt(arg); |
| rn = "VPEOpt"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 2: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_entrylo0(arg); |
| rn = "EntryLo0"; |
| break; |
| case 1: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcstatus(arg); |
| rn = "TCStatus"; |
| break; |
| case 2: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcbind(arg); |
| rn = "TCBind"; |
| break; |
| case 3: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcrestart(arg); |
| rn = "TCRestart"; |
| break; |
| case 4: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tchalt(arg); |
| rn = "TCHalt"; |
| break; |
| case 5: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tccontext(arg); |
| rn = "TCContext"; |
| break; |
| case 6: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcschedule(arg); |
| rn = "TCSchedule"; |
| break; |
| case 7: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_mtc0_tcschefback(arg); |
| rn = "TCScheFBack"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 3: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_entrylo1(arg); |
| rn = "EntryLo1"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 4: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_context(arg); |
| rn = "Context"; |
| break; |
| case 1: |
| // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */ |
| rn = "ContextConfig"; |
| // break; |
| default: |
| goto die; |
| } |
| break; |
| case 5: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_pagemask(arg); |
| rn = "PageMask"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_pagegrain(arg); |
| rn = "PageGrain"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 6: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_wired(arg); |
| rn = "Wired"; |
| break; |
| case 1: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf0(arg); |
| rn = "SRSConf0"; |
| break; |
| case 2: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf1(arg); |
| rn = "SRSConf1"; |
| break; |
| case 3: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf2(arg); |
| rn = "SRSConf2"; |
| break; |
| case 4: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf3(arg); |
| rn = "SRSConf3"; |
| break; |
| case 5: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_srsconf4(arg); |
| rn = "SRSConf4"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 7: |
| switch (sel) { |
| case 0: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_helper_mtc0_hwrena(arg); |
| rn = "HWREna"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 8: |
| /* ignored */ |
| rn = "BadVAddr"; |
| break; |
| case 9: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_count(arg); |
| 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_helper_mtc0_entryhi(arg); |
| rn = "EntryHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 11: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_compare(arg); |
| 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: |
| save_cpu_state(ctx, 1); |
| gen_helper_mtc0_status(arg); |
| /* 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_helper_mtc0_intctl(arg); |
| /* 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_helper_mtc0_srsctl(arg); |
| /* 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_mtc0_store32(arg, offsetof(CPUState, CP0_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: |
| save_cpu_state(ctx, 1); |
| /* Mark as an IO operation because we may trigger a software |
| interrupt. */ |
| if (use_icount) { |
| gen_io_start(); |
| } |
| gen_helper_mtc0_cause(arg); |
| if (use_icount) { |
| gen_io_end(); |
| } |
| /* Stop translation as we may have triggered an intetrupt */ |
| ctx->bstate = BS_STOP; |
| rn = "Cause"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 14: |
| switch (sel) { |
| case 0: |
| tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_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_helper_mtc0_ebase(arg); |
| rn = "EBase"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 16: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_config0(arg); |
| 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_helper_mtc0_config2(arg); |
| 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: |
| gen_helper_mtc0_lladdr(arg); |
| rn = "LLAddr"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 18: |
| switch (sel) { |
| case 0 ... 7: |
| gen_helper_1i(mtc0_watchlo, arg, sel); |
| rn = "WatchLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 19: |
| switch (sel) { |
| case 0 ... 7: |
| gen_helper_1i(mtc0_watchhi, arg, sel); |
| rn = "WatchHi"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 20: |
| switch (sel) { |
| case 0: |
| check_insn(env, ctx, ISA_MIPS3); |
| gen_helper_mtc0_xcontext(arg); |
| rn = "XContext"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 21: |
| /* Officially reserved, but sel 0 is used for R1x000 framemask */ |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_framemask(arg); |
| rn = "Framemask"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 22: |
| /* ignored */ |
| rn = "Diagnostic"; /* implementation dependent */ |
| break; |
| case 23: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_debug(arg); /* 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_helper_mtc0_tracecontrol(arg); /* PDtrace support */ |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| rn = "TraceControl"; |
| // break; |
| case 2: |
| // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */ |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| rn = "TraceControl2"; |
| // break; |
| case 3: |
| // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */ |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| rn = "UserTraceData"; |
| // break; |
| case 4: |
| // gen_helper_mtc0_tracebpc(arg); /* 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: |
| /* EJTAG support */ |
| tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
| rn = "DEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 25: |
| switch (sel) { |
| case 0: |
| gen_helper_mtc0_performance0(arg); |
| rn = "Performance0"; |
| break; |
| case 1: |
| // gen_helper_mtc0_performance1(arg); |
| rn = "Performance1"; |
| // break; |
| case 2: |
| // gen_helper_mtc0_performance2(arg); |
| rn = "Performance2"; |
| // break; |
| case 3: |
| // gen_helper_mtc0_performance3(arg); |
| rn = "Performance3"; |
| // break; |
| case 4: |
| // gen_helper_mtc0_performance4(arg); |
| rn = "Performance4"; |
| // break; |
| case 5: |
| // gen_helper_mtc0_performance5(arg); |
| rn = "Performance5"; |
| // break; |
| case 6: |
| // gen_helper_mtc0_performance6(arg); |
| rn = "Performance6"; |
| // break; |
| case 7: |
| // gen_helper_mtc0_performance7(arg); |
| 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_helper_mtc0_taglo(arg); |
| rn = "TagLo"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_helper_mtc0_datalo(arg); |
| rn = "DataLo"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 29: |
| switch (sel) { |
| case 0: |
| case 2: |
| case 4: |
| case 6: |
| gen_helper_mtc0_taghi(arg); |
| rn = "TagHi"; |
| break; |
| case 1: |
| case 3: |
| case 5: |
| case 7: |
| gen_helper_mtc0_datahi(arg); |
| rn = "DataHi"; |
| break; |
| default: |
| rn = "invalid sel"; |
| goto die; |
| } |
| break; |
| case 30: |
| switch (sel) { |
| case 0: |
| tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
| rn = "ErrorEPC"; |
| break; |
| default: |
| goto die; |
| } |
| break; |
| case 31: |
| switch (sel) { |
| case 0: |
| /* EJTAG support */ |
| gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
| rn = "DESAVE"; |
| break; |
| default: |
| goto die; |
| } |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| break; |
| default: |
| goto die; |
| } |
| (void)rn; /* avoid a compiler warning */ |
| LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| /* For simplicity assume that all writes can cause interrupts. */ |
| if (use_icount) { |
| gen_io_end(); |
| ctx->bstate = BS_STOP; |
| } |
| return; |
| |
| die: |
| LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel); |
| generate_exception(ctx, EXCP_RI); |
| } |
| #endif /* TARGET_MIPS64 */ |
| |
| static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd, |
| int u, int sel, int h) |
| { |
| int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| TCGv t0 = tcg_temp_local_new(); |
| |
| if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
| ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != |
| (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) |
| tcg_gen_movi_tl(t0, -1); |
| else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
| (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) |
| tcg_gen_movi_tl(t0, -1); |
| else if (u == 0) { |
| switch (rt) { |
| case 2: |
| switch (sel) { |
| case 1: |
| gen_helper_mftc0_tcstatus(t0); |
| break; |
| case 2: |
| gen_helper_mftc0_tcbind(t0); |
| break; |
| case 3: |
| gen_helper_mftc0_tcrestart(t0); |
| break; |
| case 4: |
| gen_helper_mftc0_tchalt(t0); |
| break; |
| case 5: |
| gen_helper_mftc0_tccontext(t0); |
| break; |
| case 6: |
| gen_helper_mftc0_tcschedule(t0); |
| break; |
| case 7: |
| gen_helper_mftc0_tcschefback(t0); |
| break; |
| default: |
| gen_mfc0(env, ctx, t0, rt, sel); |
| break; |
| } |
| break; |
| case 10: |
| switch (sel) { |
| case 0: |
| gen_helper_mftc0_entryhi(t0); |
| break; |
| default: |
| gen_mfc0(env, ctx, t0, rt, sel); |
| break; |
| } |
| case 12: |
| switch (sel) { |
| case 0: |
| gen_helper_mftc0_status(t0); |
| break; |
| default: |
| gen_mfc0(env, ctx, t0, rt, sel); |
| break; |
| } |
| case 23: |
| switch (sel) { |
| case 0: |
| gen_helper_mftc0_debug(t0); |
| break; |
| default: |
| gen_mfc0(env, ctx, t0, rt, sel); |
| break; |
| } |
| break; |
| default: |
| gen_mfc0(env, ctx, t0, rt, sel); |
| } |
| } else switch (sel) { |
| /* GPR registers. */ |
| case 0: |
| gen_helper_1i(mftgpr, t0, rt); |
| break; |
| /* Auxiliary CPU registers */ |
| case 1: |
| switch (rt) { |
| case 0: |
| gen_helper_1i(mftlo, t0, 0); |
| break; |
| case 1: |
| gen_helper_1i(mfthi, t0, 0); |
| break; |
| case 2: |
| gen_helper_1i(mftacx, t0, 0); |
| break; |
| case 4: |
| gen_helper_1i(mftlo, t0, 1); |
| break; |
| case 5: |
| gen_helper_1i(mfthi, t0, 1); |
| break; |
| case 6: |
| gen_helper_1i(mftacx, t0, 1); |
| break; |
| case 8: |
| gen_helper_1i(mftlo, t0, 2); |
| break; |
| case 9: |
| gen_helper_1i(mfthi, t0, 2); |
| break; |
| case 10: |
| gen_helper_1i(mftacx, t0, 2); |
| break; |
| case 12: |
| gen_helper_1i(mftlo, t0, 3); |
| break; |
| case 13: |
| gen_helper_1i(mfthi, t0, 3); |
| break; |
| case 14: |
| gen_helper_1i(mftacx, t0, 3); |
| break; |
| case 16: |
| gen_helper_mftdsp(t0); |
| break; |
| default: |
| goto die; |
| } |
| break; |
| /* Floating point (COP1). */ |
| case 2: |
| /* XXX: For now we support only a single FPU context. */ |
| if (h == 0) { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, rt); |
| tcg_gen_ext_i32_tl(t0, fp0); |
| tcg_temp_free_i32(fp0); |
| } else { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32h(fp0, rt); |
| tcg_gen_ext_i32_tl(t0, fp0); |
| tcg_temp_free_i32(fp0); |
| } |
| break; |
| case 3: |
| /* XXX: For now we support only a single FPU context. */ |
| gen_helper_1i(cfc1, t0, rt); |
| break; |
| /* COP2: Not implemented. */ |
| case 4: |
| case 5: |
| /* fall through */ |
| default: |
| goto die; |
| } |
| LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h); |
| gen_store_gpr(t0, rd); |
| tcg_temp_free(t0); |
| return; |
| |
| die: |
| tcg_temp_free(t0); |
| LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h); |
| generate_exception(ctx, EXCP_RI); |
| } |
| |
| static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt, |
| int u, int sel, int h) |
| { |
| int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| TCGv t0 = tcg_temp_local_new(); |
| |
| gen_load_gpr(t0, rt); |
| if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
| ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != |
| (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) |
| /* NOP */ ; |
| else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
| (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) |
| /* NOP */ ; |
| else if (u == 0) { |
| switch (rd) { |
| case 2: |
| switch (sel) { |
| case 1: |
| gen_helper_mttc0_tcstatus(t0); |
| break; |
| case 2: |
| gen_helper_mttc0_tcbind(t0); |
| break; |
| case 3: |
| gen_helper_mttc0_tcrestart(t0); |
| break; |
| case 4: |
| gen_helper_mttc0_tchalt(t0); |
| break; |
| case 5: |
| gen_helper_mttc0_tccontext(t0); |
| break; |
| case 6: |
| gen_helper_mttc0_tcschedule(t0); |
| break; |
| case 7: |
| gen_helper_mttc0_tcschefback(t0); |
| break; |
| default: |
| gen_mtc0(env, ctx, t0, rd, sel); |
| break; |
| } |
| break; |
| case 10: |
| switch (sel) { |
| case 0: |
| gen_helper_mttc0_entryhi(t0); |
| break; |
| default: |
| gen_mtc0(env, ctx, t0, rd, sel); |
| break; |
| } |
| case 12: |
| switch (sel) { |
| case 0: |
| gen_helper_mttc0_status(t0); |
| break; |
| default: |
| gen_mtc0(env, ctx, t0, rd, sel); |
| break; |
| } |
| case 23: |
| switch (sel) { |
| case 0: |
| gen_helper_mttc0_debug(t0); |
| break; |
| default: |
| gen_mtc0(env, ctx, t0, rd, sel); |
| break; |
| } |
| break; |
| default: |
| gen_mtc0(env, ctx, t0, rd, sel); |
| } |
| } else switch (sel) { |
| /* GPR registers. */ |
| case 0: |
| gen_helper_1i(mttgpr, t0, rd); |
| break; |
| /* Auxiliary CPU registers */ |
| case 1: |
| switch (rd) { |
| case 0: |
| gen_helper_1i(mttlo, t0, 0); |
| break; |
| case 1: |
| gen_helper_1i(mtthi, t0, 0); |
| break; |
| case 2: |
| gen_helper_1i(mttacx, t0, 0); |
| break; |
| case 4: |
| gen_helper_1i(mttlo, t0, 1); |
| break; |
| case 5: |
| gen_helper_1i(mtthi, t0, 1); |
| break; |
| case 6: |
| gen_helper_1i(mttacx, t0, 1); |
| break; |
| case 8: |
| gen_helper_1i(mttlo, t0, 2); |
| break; |
| case 9: |
| gen_helper_1i(mtthi, t0, 2); |
| break; |
| case 10: |
| gen_helper_1i(mttacx, t0, 2); |
| break; |
| case 12: |
| gen_helper_1i(mttlo, t0, 3); |
| break; |
| case 13: |
| gen_helper_1i(mtthi, t0, 3); |
| break; |
| case 14: |
| gen_helper_1i(mttacx, t0, 3); |
| break; |
| case 16: |
| gen_helper_mttdsp(t0); |
| break; |
| default: |
| goto die; |
| } |
| break; |
| /* Floating point (COP1). */ |
| case 2: |
| /* XXX: For now we support only a single FPU context. */ |
| if (h == 0) { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| tcg_gen_trunc_tl_i32(fp0, t0); |
| gen_store_fpr32(fp0, rd); |
| tcg_temp_free_i32(fp0); |
| } else { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| tcg_gen_trunc_tl_i32(fp0, t0); |
| gen_store_fpr32h(fp0, rd); |
| tcg_temp_free_i32(fp0); |
| } |
| break; |
| case 3: |
| /* XXX: For now we support only a single FPU context. */ |
| gen_helper_1i(ctc1, t0, rd); |
| break; |
| /* COP2: Not implemented. */ |
| case 4: |
| case 5: |
| /* fall through */ |
| default: |
| goto die; |
| } |
| LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h); |
| tcg_temp_free(t0); |
| return; |
| |
| die: |
| tcg_temp_free(t0); |
| LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h); |
| 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, cpu_gpr[rt], rd, ctx->opcode & 0x7); |
| opn = "mfc0"; |
| break; |
| case OPC_MTC0: |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| gen_load_gpr(t0, rt); |
| gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7); |
| tcg_temp_free(t0); |
| } |
| 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, cpu_gpr[rt], rd, ctx->opcode & 0x7); |
| opn = "dmfc0"; |
| break; |
| case OPC_DMTC0: |
| check_insn(env, ctx, ISA_MIPS3); |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| gen_load_gpr(t0, rt); |
| gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7); |
| tcg_temp_free(t0); |
| } |
| 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, rd, (ctx->opcode >> 5) & 1, |
| ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
| opn = "mftr"; |
| break; |
| case OPC_MTTR: |
| check_insn(env, ctx, ASE_MT); |
| gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, |
| ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
| opn = "mttr"; |
| break; |
| case OPC_TLBWI: |
| opn = "tlbwi"; |
| if (!env->tlb->helper_tlbwi) |
| goto die; |
| gen_helper_tlbwi(); |
| break; |
| case OPC_TLBWR: |
| opn = "tlbwr"; |
| if (!env->tlb->helper_tlbwr) |
| goto die; |
| gen_helper_tlbwr(); |
| break; |
| case OPC_TLBP: |
| opn = "tlbp"; |
| if (!env->tlb->helper_tlbp) |
| goto die; |
| gen_helper_tlbp(); |
| break; |
| case OPC_TLBR: |
| opn = "tlbr"; |
| if (!env->tlb->helper_tlbr) |
| goto die; |
| gen_helper_tlbr(); |
| break; |
| case OPC_ERET: |
| opn = "eret"; |
| check_insn(env, ctx, ISA_MIPS2); |
| gen_helper_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 { |
| gen_helper_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_helper_wait(); |
| ctx->bstate = BS_EXCP; |
| break; |
| default: |
| die: |
| MIPS_INVAL(opn); |
| generate_exception(ctx, EXCP_RI); |
| return; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd); |
| } |
| #endif /* !CONFIG_USER_ONLY */ |
| |
| /* 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"; |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| |
| if (cc != 0) |
| check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| |
| btarget = ctx->pc + 4 + offset; |
| |
| switch (op) { |
| case OPC_BC1F: |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_not_i32(t0, t0); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| opn = "bc1f"; |
| goto not_likely; |
| case OPC_BC1FL: |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_not_i32(t0, t0); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| opn = "bc1fl"; |
| goto likely; |
| case OPC_BC1T: |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| opn = "bc1t"; |
| goto not_likely; |
| case OPC_BC1TL: |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| opn = "bc1tl"; |
| likely: |
| ctx->hflags |= MIPS_HFLAG_BL; |
| break; |
| case OPC_BC1FANY2: |
| { |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); |
| tcg_gen_nor_i32(t0, t0, t1); |
| tcg_temp_free_i32(t1); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| } |
| opn = "bc1any2f"; |
| goto not_likely; |
| case OPC_BC1TANY2: |
| { |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); |
| tcg_gen_or_i32(t0, t0, t1); |
| tcg_temp_free_i32(t1); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| } |
| opn = "bc1any2t"; |
| goto not_likely; |
| case OPC_BC1FANY4: |
| { |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); |
| tcg_gen_or_i32(t0, t0, t1); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2)); |
| tcg_gen_or_i32(t0, t0, t1); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3)); |
| tcg_gen_nor_i32(t0, t0, t1); |
| tcg_temp_free_i32(t1); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| } |
| opn = "bc1any4f"; |
| goto not_likely; |
| case OPC_BC1TANY4: |
| { |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); |
| tcg_gen_or_i32(t0, t0, t1); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2)); |
| tcg_gen_or_i32(t0, t0, t1); |
| tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3)); |
| tcg_gen_or_i32(t0, t0, t1); |
| tcg_temp_free_i32(t1); |
| tcg_gen_andi_i32(t0, t0, 1); |
| tcg_gen_extu_i32_tl(bcond, t0); |
| } |
| opn = "bc1any4t"; |
| not_likely: |
| ctx->hflags |= MIPS_HFLAG_BC; |
| break; |
| default: |
| MIPS_INVAL(opn); |
| generate_exception (ctx, EXCP_RI); |
| goto out; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn, |
| ctx->hflags, btarget); |
| ctx->btarget = btarget; |
| |
| out: |
| tcg_temp_free_i32(t0); |
| } |
| |
| /* Coprocessor 1 (FPU) */ |
| |
| #define FOP(func, fmt) (((fmt) << 21) | (func)) |
| |
| enum fopcode { |
| OPC_ADD_S = FOP(0, FMT_S), |
| OPC_SUB_S = FOP(1, FMT_S), |
| OPC_MUL_S = FOP(2, FMT_S), |
| OPC_DIV_S = FOP(3, FMT_S), |
| OPC_SQRT_S = FOP(4, FMT_S), |
| OPC_ABS_S = FOP(5, FMT_S), |
| OPC_MOV_S = FOP(6, FMT_S), |
| OPC_NEG_S = FOP(7, FMT_S), |
| OPC_ROUND_L_S = FOP(8, FMT_S), |
| OPC_TRUNC_L_S = FOP(9, FMT_S), |
| OPC_CEIL_L_S = FOP(10, FMT_S), |
| OPC_FLOOR_L_S = FOP(11, FMT_S), |
| OPC_ROUND_W_S = FOP(12, FMT_S), |
| OPC_TRUNC_W_S = FOP(13, FMT_S), |
| OPC_CEIL_W_S = FOP(14, FMT_S), |
| OPC_FLOOR_W_S = FOP(15, FMT_S), |
| OPC_MOVCF_S = FOP(17, FMT_S), |
| OPC_MOVZ_S = FOP(18, FMT_S), |
| OPC_MOVN_S = FOP(19, FMT_S), |
| OPC_RECIP_S = FOP(21, FMT_S), |
| OPC_RSQRT_S = FOP(22, FMT_S), |
| OPC_RECIP2_S = FOP(28, FMT_S), |
| OPC_RECIP1_S = FOP(29, FMT_S), |
| OPC_RSQRT1_S = FOP(30, FMT_S), |
| OPC_RSQRT2_S = FOP(31, FMT_S), |
| OPC_CVT_D_S = FOP(33, FMT_S), |
| OPC_CVT_W_S = FOP(36, FMT_S), |
| OPC_CVT_L_S = FOP(37, FMT_S), |
| OPC_CVT_PS_S = FOP(38, FMT_S), |
| OPC_CMP_F_S = FOP (48, FMT_S), |
| OPC_CMP_UN_S = FOP (49, FMT_S), |
| OPC_CMP_EQ_S = FOP (50, FMT_S), |
| OPC_CMP_UEQ_S = FOP (51, FMT_S), |
| OPC_CMP_OLT_S = FOP (52, FMT_S), |
| OPC_CMP_ULT_S = FOP (53, FMT_S), |
| OPC_CMP_OLE_S = FOP (54, FMT_S), |
| OPC_CMP_ULE_S = FOP (55, FMT_S), |
| OPC_CMP_SF_S = FOP (56, FMT_S), |
| OPC_CMP_NGLE_S = FOP (57, FMT_S), |
| OPC_CMP_SEQ_S = FOP (58, FMT_S), |
| OPC_CMP_NGL_S = FOP (59, FMT_S), |
| OPC_CMP_LT_S = FOP (60, FMT_S), |
| OPC_CMP_NGE_S = FOP (61, FMT_S), |
| OPC_CMP_LE_S = FOP (62, FMT_S), |
| OPC_CMP_NGT_S = FOP (63, FMT_S), |
| |
| OPC_ADD_D = FOP(0, FMT_D), |
| OPC_SUB_D = FOP(1, FMT_D), |
| OPC_MUL_D = FOP(2, FMT_D), |
| OPC_DIV_D = FOP(3, FMT_D), |
| OPC_SQRT_D = FOP(4, FMT_D), |
| OPC_ABS_D = FOP(5, FMT_D), |
| OPC_MOV_D = FOP(6, FMT_D), |
| OPC_NEG_D = FOP(7, FMT_D), |
| OPC_ROUND_L_D = FOP(8, FMT_D), |
| OPC_TRUNC_L_D = FOP(9, FMT_D), |
| OPC_CEIL_L_D = FOP(10, FMT_D), |
| OPC_FLOOR_L_D = FOP(11, FMT_D), |
| OPC_ROUND_W_D = FOP(12, FMT_D), |
| OPC_TRUNC_W_D = FOP(13, FMT_D), |
| OPC_CEIL_W_D = FOP(14, FMT_D), |
| OPC_FLOOR_W_D = FOP(15, FMT_D), |
| OPC_MOVCF_D = FOP(17, FMT_D), |
| OPC_MOVZ_D = FOP(18, FMT_D), |
| OPC_MOVN_D = FOP(19, FMT_D), |
| OPC_RECIP_D = FOP(21, FMT_D), |
| OPC_RSQRT_D = FOP(22, FMT_D), |
| OPC_RECIP2_D = FOP(28, FMT_D), |
| OPC_RECIP1_D = FOP(29, FMT_D), |
| OPC_RSQRT1_D = FOP(30, FMT_D), |
| OPC_RSQRT2_D = FOP(31, FMT_D), |
| OPC_CVT_S_D = FOP(32, FMT_D), |
| OPC_CVT_W_D = FOP(36, FMT_D), |
| OPC_CVT_L_D = FOP(37, FMT_D), |
| OPC_CMP_F_D = FOP (48, FMT_D), |
| OPC_CMP_UN_D = FOP (49, FMT_D), |
| OPC_CMP_EQ_D = FOP (50, FMT_D), |
| OPC_CMP_UEQ_D = FOP (51, FMT_D), |
| OPC_CMP_OLT_D = FOP (52, FMT_D), |
| OPC_CMP_ULT_D = FOP (53, FMT_D), |
| OPC_CMP_OLE_D = FOP (54, FMT_D), |
| OPC_CMP_ULE_D = FOP (55, FMT_D), |
| OPC_CMP_SF_D = FOP (56, FMT_D), |
| OPC_CMP_NGLE_D = FOP (57, FMT_D), |
| OPC_CMP_SEQ_D = FOP (58, FMT_D), |
| OPC_CMP_NGL_D = FOP (59, FMT_D), |
| OPC_CMP_LT_D = FOP (60, FMT_D), |
| OPC_CMP_NGE_D = FOP (61, FMT_D), |
| OPC_CMP_LE_D = FOP (62, FMT_D), |
| OPC_CMP_NGT_D = FOP (63, FMT_D), |
| |
| OPC_CVT_S_W = FOP(32, FMT_W), |
| OPC_CVT_D_W = FOP(33, FMT_W), |
| OPC_CVT_S_L = FOP(32, FMT_L), |
| OPC_CVT_D_L = FOP(33, FMT_L), |
| OPC_CVT_PS_PW = FOP(38, FMT_W), |
| |
| OPC_ADD_PS = FOP(0, FMT_PS), |
| OPC_SUB_PS = FOP(1, FMT_PS), |
| OPC_MUL_PS = FOP(2, FMT_PS), |
| OPC_DIV_PS = FOP(3, FMT_PS), |
| OPC_ABS_PS = FOP(5, FMT_PS), |
| OPC_MOV_PS = FOP(6, FMT_PS), |
| OPC_NEG_PS = FOP(7, FMT_PS), |
| OPC_MOVCF_PS = FOP(17, FMT_PS), |
| OPC_MOVZ_PS = FOP(18, FMT_PS), |
| OPC_MOVN_PS = FOP(19, FMT_PS), |
| OPC_ADDR_PS = FOP(24, FMT_PS), |
| OPC_MULR_PS = FOP(26, FMT_PS), |
| OPC_RECIP2_PS = FOP(28, FMT_PS), |
| OPC_RECIP1_PS = FOP(29, FMT_PS), |
| OPC_RSQRT1_PS = FOP(30, FMT_PS), |
| OPC_RSQRT2_PS = FOP(31, FMT_PS), |
| |
| OPC_CVT_S_PU = FOP(32, FMT_PS), |
| OPC_CVT_PW_PS = FOP(36, FMT_PS), |
| OPC_CVT_S_PL = FOP(40, FMT_PS), |
| OPC_PLL_PS = FOP(44, FMT_PS), |
| OPC_PLU_PS = FOP(45, FMT_PS), |
| OPC_PUL_PS = FOP(46, FMT_PS), |
| OPC_PUU_PS = FOP(47, FMT_PS), |
| OPC_CMP_F_PS = FOP (48, FMT_PS), |
| OPC_CMP_UN_PS = FOP (49, FMT_PS), |
| OPC_CMP_EQ_PS = FOP (50, FMT_PS), |
| OPC_CMP_UEQ_PS = FOP (51, FMT_PS), |
| OPC_CMP_OLT_PS = FOP (52, FMT_PS), |
| OPC_CMP_ULT_PS = FOP (53, FMT_PS), |
| OPC_CMP_OLE_PS = FOP (54, FMT_PS), |
| OPC_CMP_ULE_PS = FOP (55, FMT_PS), |
| OPC_CMP_SF_PS = FOP (56, FMT_PS), |
| OPC_CMP_NGLE_PS = FOP (57, FMT_PS), |
| OPC_CMP_SEQ_PS = FOP (58, FMT_PS), |
| OPC_CMP_NGL_PS = FOP (59, FMT_PS), |
| OPC_CMP_LT_PS = FOP (60, FMT_PS), |
| OPC_CMP_NGE_PS = FOP (61, FMT_PS), |
| OPC_CMP_LE_PS = FOP (62, FMT_PS), |
| OPC_CMP_NGT_PS = FOP (63, FMT_PS), |
| }; |
| |
| static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
| { |
| const char *opn = "cp1 move"; |
| TCGv t0 = tcg_temp_new(); |
| |
| switch (opc) { |
| case OPC_MFC1: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| tcg_gen_ext_i32_tl(t0, fp0); |
| tcg_temp_free_i32(fp0); |
| } |
| gen_store_gpr(t0, rt); |
| opn = "mfc1"; |
| break; |
| case OPC_MTC1: |
| gen_load_gpr(t0, rt); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| tcg_gen_trunc_tl_i32(fp0, t0); |
| gen_store_fpr32(fp0, fs); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "mtc1"; |
| break; |
| case OPC_CFC1: |
| gen_helper_1i(cfc1, t0, fs); |
| gen_store_gpr(t0, rt); |
| opn = "cfc1"; |
| break; |
| case OPC_CTC1: |
| gen_load_gpr(t0, rt); |
| gen_helper_1i(ctc1, t0, fs); |
| opn = "ctc1"; |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DMFC1: |
| gen_load_fpr64(ctx, t0, fs); |
| gen_store_gpr(t0, rt); |
| opn = "dmfc1"; |
| break; |
| case OPC_DMTC1: |
| gen_load_gpr(t0, rt); |
| gen_store_fpr64(ctx, t0, fs); |
| opn = "dmtc1"; |
| break; |
| #endif |
| case OPC_MFHC1: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32h(fp0, fs); |
| tcg_gen_ext_i32_tl(t0, fp0); |
| tcg_temp_free_i32(fp0); |
| } |
| gen_store_gpr(t0, rt); |
| opn = "mfhc1"; |
| break; |
| case OPC_MTHC1: |
| gen_load_gpr(t0, rt); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| tcg_gen_trunc_tl_i32(fp0, t0); |
| gen_store_fpr32h(fp0, fs); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "mthc1"; |
| break; |
| default: |
| MIPS_INVAL(opn); |
| generate_exception (ctx, EXCP_RI); |
| goto out; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]); |
| |
| out: |
| tcg_temp_free(t0); |
| } |
| |
| static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
| { |
| int l1; |
| TCGCond cond; |
| TCGv_i32 t0; |
| |
| if (rd == 0) { |
| /* Treat as NOP. */ |
| return; |
| } |
| |
| if (tf) |
| cond = TCG_COND_EQ; |
| else |
| cond = TCG_COND_NE; |
| |
| l1 = gen_new_label(); |
| t0 = tcg_temp_new_i32(); |
| tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
| tcg_gen_brcondi_i32(cond, t0, 0, l1); |
| tcg_temp_free_i32(t0); |
| if (rs == 0) { |
| tcg_gen_movi_tl(cpu_gpr[rd], 0); |
| } else { |
| tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| } |
| gen_set_label(l1); |
| } |
| |
| static inline void gen_movcf_s (int fs, int fd, int cc, int tf) |
| { |
| int cond; |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| int l1 = gen_new_label(); |
| |
| if (tf) |
| cond = TCG_COND_EQ; |
| else |
| cond = TCG_COND_NE; |
| |
| tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
| tcg_gen_brcondi_i32(cond, t0, 0, l1); |
| gen_load_fpr32(t0, fs); |
| gen_store_fpr32(t0, fd); |
| gen_set_label(l1); |
| tcg_temp_free_i32(t0); |
| } |
| |
| static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf) |
| { |
| int cond; |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| TCGv_i64 fp0; |
| int l1 = gen_new_label(); |
| |
| if (tf) |
| cond = TCG_COND_EQ; |
| else |
| cond = TCG_COND_NE; |
| |
| tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
| tcg_gen_brcondi_i32(cond, t0, 0, l1); |
| tcg_temp_free_i32(t0); |
| fp0 = tcg_temp_new_i64(); |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| gen_set_label(l1); |
| } |
| |
| static inline void gen_movcf_ps (int fs, int fd, int cc, int tf) |
| { |
| int cond; |
| TCGv_i32 t0 = tcg_temp_new_i32(); |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| |
| if (tf) |
| cond = TCG_COND_EQ; |
| else |
| cond = TCG_COND_NE; |
| |
| tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); |
| tcg_gen_brcondi_i32(cond, t0, 0, l1); |
| gen_load_fpr32(t0, fs); |
| gen_store_fpr32(t0, fd); |
| gen_set_label(l1); |
| |
| tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1)); |
| tcg_gen_brcondi_i32(cond, t0, 0, l2); |
| gen_load_fpr32h(t0, fs); |
| gen_store_fpr32h(t0, fd); |
| tcg_temp_free_i32(t0); |
| gen_set_label(l2); |
| } |
| |
| |
| static void gen_farith (DisasContext *ctx, enum fopcode 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 (op1) { |
| case OPC_ADD_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_helper_float_add_s(fp0, fp0, fp1); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "add.s"; |
| optype = BINOP; |
| break; |
| case OPC_SUB_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_helper_float_sub_s(fp0, fp0, fp1); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "sub.s"; |
| optype = BINOP; |
| break; |
| case OPC_MUL_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_helper_float_mul_s(fp0, fp0, fp1); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "mul.s"; |
| optype = BINOP; |
| break; |
| case OPC_DIV_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_helper_float_div_s(fp0, fp0, fp1); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "div.s"; |
| optype = BINOP; |
| break; |
| case OPC_SQRT_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_sqrt_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "sqrt.s"; |
| break; |
| case OPC_ABS_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_abs_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "abs.s"; |
| break; |
| case OPC_MOV_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "mov.s"; |
| break; |
| case OPC_NEG_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_chs_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "neg.s"; |
| break; |
| case OPC_ROUND_L_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr32(fp32, fs); |
| gen_helper_float_roundl_s(fp64, fp32); |
| tcg_temp_free_i32(fp32); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "round.l.s"; |
| break; |
| case OPC_TRUNC_L_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr32(fp32, fs); |
| gen_helper_float_truncl_s(fp64, fp32); |
| tcg_temp_free_i32(fp32); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "trunc.l.s"; |
| break; |
| case OPC_CEIL_L_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr32(fp32, fs); |
| gen_helper_float_ceill_s(fp64, fp32); |
| tcg_temp_free_i32(fp32); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "ceil.l.s"; |
| break; |
| case OPC_FLOOR_L_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr32(fp32, fs); |
| gen_helper_float_floorl_s(fp64, fp32); |
| tcg_temp_free_i32(fp32); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "floor.l.s"; |
| break; |
| case OPC_ROUND_W_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_roundw_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "round.w.s"; |
| break; |
| case OPC_TRUNC_W_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_truncw_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "trunc.w.s"; |
| break; |
| case OPC_CEIL_W_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_ceilw_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "ceil.w.s"; |
| break; |
| case OPC_FLOOR_W_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_floorw_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "floor.w.s"; |
| break; |
| case OPC_MOVCF_S: |
| gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
| opn = "movcf.s"; |
| break; |
| case OPC_MOVZ_S: |
| { |
| int l1 = gen_new_label(); |
| TCGv_i32 fp0; |
| |
| if (ft != 0) { |
| tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); |
| } |
| fp0 = tcg_temp_new_i32(); |
| gen_load_fpr32(fp0, fs); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| gen_set_label(l1); |
| } |
| opn = "movz.s"; |
| break; |
| case OPC_MOVN_S: |
| { |
| int l1 = gen_new_label(); |
| TCGv_i32 fp0; |
| |
| if (ft != 0) { |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); |
| fp0 = tcg_temp_new_i32(); |
| gen_load_fpr32(fp0, fs); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| gen_set_label(l1); |
| } |
| } |
| opn = "movn.s"; |
| break; |
| case OPC_RECIP_S: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_recip_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "recip.s"; |
| break; |
| case OPC_RSQRT_S: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_rsqrt_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "rsqrt.s"; |
| break; |
| case OPC_RECIP2_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, fd); |
| gen_helper_float_recip2_s(fp0, fp0, fp1); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "recip2.s"; |
| break; |
| case OPC_RECIP1_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_recip1_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "recip1.s"; |
| break; |
| case OPC_RSQRT1_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_rsqrt1_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "rsqrt1.s"; |
| break; |
| case OPC_RSQRT2_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_helper_float_rsqrt2_s(fp0, fp0, fp1); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "rsqrt2.s"; |
| break; |
| case OPC_CVT_D_S: |
| check_cp1_registers(ctx, fd); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr32(fp32, fs); |
| gen_helper_float_cvtd_s(fp64, fp32); |
| tcg_temp_free_i32(fp32); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "cvt.d.s"; |
| break; |
| case OPC_CVT_W_S: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_cvtw_s(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "cvt.w.s"; |
| break; |
| case OPC_CVT_L_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr32(fp32, fs); |
| gen_helper_float_cvtl_s(fp64, fp32); |
| tcg_temp_free_i32(fp32); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "cvt.l.s"; |
| break; |
| case OPC_CVT_PS_S: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| TCGv_i32 fp32_0 = tcg_temp_new_i32(); |
| TCGv_i32 fp32_1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp32_0, fs); |
| gen_load_fpr32(fp32_1, ft); |
| tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1); |
| tcg_temp_free_i32(fp32_1); |
| tcg_temp_free_i32(fp32_0); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "cvt.ps.s"; |
| break; |
| case OPC_CMP_F_S: |
| case OPC_CMP_UN_S: |
| case OPC_CMP_EQ_S: |
| case OPC_CMP_UEQ_S: |
| case OPC_CMP_OLT_S: |
| case OPC_CMP_ULT_S: |
| case OPC_CMP_OLE_S: |
| case OPC_CMP_ULE_S: |
| case OPC_CMP_SF_S: |
| case OPC_CMP_NGLE_S: |
| case OPC_CMP_SEQ_S: |
| case OPC_CMP_NGL_S: |
| case OPC_CMP_LT_S: |
| case OPC_CMP_NGE_S: |
| case OPC_CMP_LE_S: |
| case OPC_CMP_NGT_S: |
| if (ctx->opcode & (1 << 6)) { |
| gen_cmpabs_s(ctx, func-48, ft, fs, cc); |
| opn = condnames_abs[func-48]; |
| } else { |
| gen_cmp_s(ctx, func-48, ft, fs, cc); |
| opn = condnames[func-48]; |
| } |
| break; |
| case OPC_ADD_D: |
| check_cp1_registers(ctx, fs | ft | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_add_d(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "add.d"; |
| optype = BINOP; |
| break; |
| case OPC_SUB_D: |
| check_cp1_registers(ctx, fs | ft | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_sub_d(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "sub.d"; |
| optype = BINOP; |
| break; |
| case OPC_MUL_D: |
| check_cp1_registers(ctx, fs | ft | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_mul_d(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "mul.d"; |
| optype = BINOP; |
| break; |
| case OPC_DIV_D: |
| check_cp1_registers(ctx, fs | ft | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_div_d(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "div.d"; |
| optype = BINOP; |
| break; |
| case OPC_SQRT_D: |
| check_cp1_registers(ctx, fs | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_sqrt_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "sqrt.d"; |
| break; |
| case OPC_ABS_D: |
| check_cp1_registers(ctx, fs | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_abs_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "abs.d"; |
| break; |
| case OPC_MOV_D: |
| check_cp1_registers(ctx, fs | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "mov.d"; |
| break; |
| case OPC_NEG_D: |
| check_cp1_registers(ctx, fs | fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_chs_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "neg.d"; |
| break; |
| case OPC_ROUND_L_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_roundl_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "round.l.d"; |
| break; |
| case OPC_TRUNC_L_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_truncl_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "trunc.l.d"; |
| break; |
| case OPC_CEIL_L_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_ceill_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "ceil.l.d"; |
| break; |
| case OPC_FLOOR_L_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_floorl_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "floor.l.d"; |
| break; |
| case OPC_ROUND_W_D: |
| check_cp1_registers(ctx, fs); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp64, fs); |
| gen_helper_float_roundw_d(fp32, fp64); |
| tcg_temp_free_i64(fp64); |
| gen_store_fpr32(fp32, fd); |
| tcg_temp_free_i32(fp32); |
| } |
| opn = "round.w.d"; |
| break; |
| case OPC_TRUNC_W_D: |
| check_cp1_registers(ctx, fs); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp64, fs); |
| gen_helper_float_truncw_d(fp32, fp64); |
| tcg_temp_free_i64(fp64); |
| gen_store_fpr32(fp32, fd); |
| tcg_temp_free_i32(fp32); |
| } |
| opn = "trunc.w.d"; |
| break; |
| case OPC_CEIL_W_D: |
| check_cp1_registers(ctx, fs); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp64, fs); |
| gen_helper_float_ceilw_d(fp32, fp64); |
| tcg_temp_free_i64(fp64); |
| gen_store_fpr32(fp32, fd); |
| tcg_temp_free_i32(fp32); |
| } |
| opn = "ceil.w.d"; |
| break; |
| case OPC_FLOOR_W_D: |
| check_cp1_registers(ctx, fs); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp64, fs); |
| gen_helper_float_floorw_d(fp32, fp64); |
| tcg_temp_free_i64(fp64); |
| gen_store_fpr32(fp32, fd); |
| tcg_temp_free_i32(fp32); |
| } |
| opn = "floor.w.d"; |
| break; |
| case OPC_MOVCF_D: |
| gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
| opn = "movcf.d"; |
| break; |
| case OPC_MOVZ_D: |
| { |
| int l1 = gen_new_label(); |
| TCGv_i64 fp0; |
| |
| if (ft != 0) { |
| tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); |
| } |
| fp0 = tcg_temp_new_i64(); |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| gen_set_label(l1); |
| } |
| opn = "movz.d"; |
| break; |
| case OPC_MOVN_D: |
| { |
| int l1 = gen_new_label(); |
| TCGv_i64 fp0; |
| |
| if (ft != 0) { |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); |
| fp0 = tcg_temp_new_i64(); |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| gen_set_label(l1); |
| } |
| } |
| opn = "movn.d"; |
| break; |
| case OPC_RECIP_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_recip_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "recip.d"; |
| break; |
| case OPC_RSQRT_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_rsqrt_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "rsqrt.d"; |
| break; |
| case OPC_RECIP2_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_recip2_d(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "recip2.d"; |
| break; |
| case OPC_RECIP1_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_recip1_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "recip1.d"; |
| break; |
| case OPC_RSQRT1_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_rsqrt1_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "rsqrt1.d"; |
| break; |
| case OPC_RSQRT2_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_rsqrt2_d(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "rsqrt2.d"; |
| break; |
| case OPC_CMP_F_D: |
| case OPC_CMP_UN_D: |
| case OPC_CMP_EQ_D: |
| case OPC_CMP_UEQ_D: |
| case OPC_CMP_OLT_D: |
| case OPC_CMP_ULT_D: |
| case OPC_CMP_OLE_D: |
| case OPC_CMP_ULE_D: |
| case OPC_CMP_SF_D: |
| case OPC_CMP_NGLE_D: |
| case OPC_CMP_SEQ_D: |
| case OPC_CMP_NGL_D: |
| case OPC_CMP_LT_D: |
| case OPC_CMP_NGE_D: |
| case OPC_CMP_LE_D: |
| case OPC_CMP_NGT_D: |
| if (ctx->opcode & (1 << 6)) { |
| gen_cmpabs_d(ctx, func-48, ft, fs, cc); |
| opn = condnames_abs[func-48]; |
| } else { |
| gen_cmp_d(ctx, func-48, ft, fs, cc); |
| opn = condnames[func-48]; |
| } |
| break; |
| case OPC_CVT_S_D: |
| check_cp1_registers(ctx, fs); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp64, fs); |
| gen_helper_float_cvts_d(fp32, fp64); |
| tcg_temp_free_i64(fp64); |
| gen_store_fpr32(fp32, fd); |
| tcg_temp_free_i32(fp32); |
| } |
| opn = "cvt.s.d"; |
| break; |
| case OPC_CVT_W_D: |
| check_cp1_registers(ctx, fs); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp64, fs); |
| gen_helper_float_cvtw_d(fp32, fp64); |
| tcg_temp_free_i64(fp64); |
| gen_store_fpr32(fp32, fd); |
| tcg_temp_free_i32(fp32); |
| } |
| opn = "cvt.w.d"; |
| break; |
| case OPC_CVT_L_D: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_cvtl_d(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "cvt.l.d"; |
| break; |
| case OPC_CVT_S_W: |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_cvts_w(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "cvt.s.w"; |
| break; |
| case OPC_CVT_D_W: |
| check_cp1_registers(ctx, fd); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr32(fp32, fs); |
| gen_helper_float_cvtd_w(fp64, fp32); |
| tcg_temp_free_i32(fp32); |
| gen_store_fpr64(ctx, fp64, fd); |
| tcg_temp_free_i64(fp64); |
| } |
| opn = "cvt.d.w"; |
| break; |
| case OPC_CVT_S_L: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp32 = tcg_temp_new_i32(); |
| TCGv_i64 fp64 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp64, fs); |
| gen_helper_float_cvts_l(fp32, fp64); |
| tcg_temp_free_i64(fp64); |
| gen_store_fpr32(fp32, fd); |
| tcg_temp_free_i32(fp32); |
| } |
| opn = "cvt.s.l"; |
| break; |
| case OPC_CVT_D_L: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_cvtd_l(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "cvt.d.l"; |
| break; |
| case OPC_CVT_PS_PW: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_cvtps_pw(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "cvt.ps.pw"; |
| break; |
| case OPC_ADD_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_add_ps(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "add.ps"; |
| break; |
| case OPC_SUB_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_sub_ps(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "sub.ps"; |
| break; |
| case OPC_MUL_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_mul_ps(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "mul.ps"; |
| break; |
| case OPC_ABS_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_abs_ps(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "abs.ps"; |
| break; |
| case OPC_MOV_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "mov.ps"; |
| break; |
| case OPC_NEG_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_chs_ps(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "neg.ps"; |
| break; |
| case OPC_MOVCF_PS: |
| check_cp1_64bitmode(ctx); |
| gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
| opn = "movcf.ps"; |
| break; |
| case OPC_MOVZ_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| int l1 = gen_new_label(); |
| TCGv_i64 fp0; |
| |
| if (ft != 0) |
| tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); |
| fp0 = tcg_temp_new_i64(); |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| gen_set_label(l1); |
| } |
| opn = "movz.ps"; |
| break; |
| case OPC_MOVN_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| int l1 = gen_new_label(); |
| TCGv_i64 fp0; |
| |
| if (ft != 0) { |
| tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); |
| fp0 = tcg_temp_new_i64(); |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| gen_set_label(l1); |
| } |
| } |
| opn = "movn.ps"; |
| break; |
| case OPC_ADDR_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, ft); |
| gen_load_fpr64(ctx, fp1, fs); |
| gen_helper_float_addr_ps(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "addr.ps"; |
| break; |
| case OPC_MULR_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, ft); |
| gen_load_fpr64(ctx, fp1, fs); |
| gen_helper_float_mulr_ps(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "mulr.ps"; |
| break; |
| case OPC_RECIP2_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, fd); |
| gen_helper_float_recip2_ps(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "recip2.ps"; |
| break; |
| case OPC_RECIP1_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_recip1_ps(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "recip1.ps"; |
| break; |
| case OPC_RSQRT1_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_rsqrt1_ps(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "rsqrt1.ps"; |
| break; |
| case OPC_RSQRT2_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_helper_float_rsqrt2_ps(fp0, fp0, fp1); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "rsqrt2.ps"; |
| break; |
| case OPC_CVT_S_PU: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32h(fp0, fs); |
| gen_helper_float_cvts_pu(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "cvt.s.pu"; |
| break; |
| case OPC_CVT_PW_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_helper_float_cvtpw_ps(fp0, fp0); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "cvt.pw.ps"; |
| break; |
| case OPC_CVT_S_PL: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_helper_float_cvts_pl(fp0, fp0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "cvt.s.pl"; |
| break; |
| case OPC_PLL_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_store_fpr32h(fp0, fd); |
| gen_store_fpr32(fp1, fd); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| } |
| opn = "pll.ps"; |
| break; |
| case OPC_PLU_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32h(fp1, ft); |
| gen_store_fpr32(fp1, fd); |
| gen_store_fpr32h(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| } |
| opn = "plu.ps"; |
| break; |
| case OPC_PUL_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32h(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_store_fpr32(fp1, fd); |
| gen_store_fpr32h(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| } |
| opn = "pul.ps"; |
| break; |
| case OPC_PUU_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32h(fp0, fs); |
| gen_load_fpr32h(fp1, ft); |
| gen_store_fpr32(fp1, fd); |
| gen_store_fpr32h(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| } |
| opn = "puu.ps"; |
| break; |
| case OPC_CMP_F_PS: |
| case OPC_CMP_UN_PS: |
| case OPC_CMP_EQ_PS: |
| case OPC_CMP_UEQ_PS: |
| case OPC_CMP_OLT_PS: |
| case OPC_CMP_ULT_PS: |
| case OPC_CMP_OLE_PS: |
| case OPC_CMP_ULE_PS: |
| case OPC_CMP_SF_PS: |
| case OPC_CMP_NGLE_PS: |
| case OPC_CMP_SEQ_PS: |
| case OPC_CMP_NGL_PS: |
| case OPC_CMP_LT_PS: |
| case OPC_CMP_NGE_PS: |
| case OPC_CMP_LE_PS: |
| case OPC_CMP_NGT_PS: |
| if (ctx->opcode & (1 << 6)) { |
| gen_cmpabs_ps(ctx, func-48, ft, fs, cc); |
| opn = condnames_abs[func-48]; |
| } else { |
| gen_cmp_ps(ctx, func-48, ft, fs, cc); |
| opn = condnames[func-48]; |
| } |
| break; |
| default: |
| MIPS_INVAL(opn); |
| generate_exception (ctx, EXCP_RI); |
| return; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| 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; |
| TCGv t0 = tcg_temp_new(); |
| |
| if (base == 0) { |
| gen_load_gpr(t0, index); |
| } else if (index == 0) { |
| gen_load_gpr(t0, base); |
| } else { |
| gen_load_gpr(t0, index); |
| gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
| } |
| /* Don't do NOP if destination is zero: we must perform the actual |
| memory access. */ |
| save_cpu_state(ctx, 0); |
| switch (opc) { |
| case OPC_LWXC1: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| |
| tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
| tcg_gen_trunc_tl_i32(fp0, t0); |
| gen_store_fpr32(fp0, fd); |
| tcg_temp_free_i32(fp0); |
| } |
| opn = "lwxc1"; |
| break; |
| case OPC_LDXC1: |
| check_cop1x(ctx); |
| check_cp1_registers(ctx, fd); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "ldxc1"; |
| break; |
| case OPC_LUXC1: |
| check_cp1_64bitmode(ctx); |
| tcg_gen_andi_tl(t0, t0, ~0x7); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
| gen_store_fpr64(ctx, fp0, fd); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "luxc1"; |
| break; |
| case OPC_SWXC1: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv t1 = tcg_temp_new(); |
| |
| gen_load_fpr32(fp0, fs); |
| tcg_gen_extu_i32_tl(t1, fp0); |
| tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free(t1); |
| } |
| opn = "swxc1"; |
| store = 1; |
| break; |
| case OPC_SDXC1: |
| check_cop1x(ctx); |
| check_cp1_registers(ctx, fs); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "sdxc1"; |
| store = 1; |
| break; |
| case OPC_SUXC1: |
| check_cp1_64bitmode(ctx); |
| tcg_gen_andi_tl(t0, t0, ~0x7); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
| tcg_temp_free_i64(fp0); |
| } |
| opn = "suxc1"; |
| store = 1; |
| break; |
| } |
| tcg_temp_free(t0); |
| (void)opn; (void)store; /* avoid compiler warnings */ |
| 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); |
| { |
| TCGv t0 = tcg_temp_local_new(); |
| TCGv_i32 fp = tcg_temp_new_i32(); |
| TCGv_i32 fph = tcg_temp_new_i32(); |
| int l1 = gen_new_label(); |
| int l2 = gen_new_label(); |
| |
| gen_load_gpr(t0, fr); |
| tcg_gen_andi_tl(t0, t0, 0x7); |
| |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); |
| gen_load_fpr32(fp, fs); |
| gen_load_fpr32h(fph, fs); |
| gen_store_fpr32(fp, fd); |
| gen_store_fpr32h(fph, fd); |
| tcg_gen_br(l2); |
| gen_set_label(l1); |
| tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2); |
| tcg_temp_free(t0); |
| #ifdef TARGET_WORDS_BIGENDIAN |
| gen_load_fpr32(fp, fs); |
| gen_load_fpr32h(fph, ft); |
| gen_store_fpr32h(fp, fd); |
| gen_store_fpr32(fph, fd); |
| #else |
| gen_load_fpr32h(fph, fs); |
| gen_load_fpr32(fp, ft); |
| gen_store_fpr32(fph, fd); |
| gen_store_fpr32h(fp, fd); |
| #endif |
| gen_set_label(l2); |
| tcg_temp_free_i32(fp); |
| tcg_temp_free_i32(fph); |
| } |
| opn = "alnv.ps"; |
| break; |
| case OPC_MADD_S: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| TCGv_i32 fp2 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_load_fpr32(fp2, fr); |
| gen_helper_float_muladd_s(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp2, fd); |
| tcg_temp_free_i32(fp2); |
| } |
| opn = "madd.s"; |
| break; |
| case OPC_MADD_D: |
| check_cop1x(ctx); |
| check_cp1_registers(ctx, fd | fs | ft | fr); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_muladd_d(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "madd.d"; |
| break; |
| case OPC_MADD_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "madd.ps"; |
| break; |
| case OPC_MSUB_S: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| TCGv_i32 fp2 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_load_fpr32(fp2, fr); |
| gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp2, fd); |
| tcg_temp_free_i32(fp2); |
| } |
| opn = "msub.s"; |
| break; |
| case OPC_MSUB_D: |
| check_cop1x(ctx); |
| check_cp1_registers(ctx, fd | fs | ft | fr); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "msub.d"; |
| break; |
| case OPC_MSUB_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "msub.ps"; |
| break; |
| case OPC_NMADD_S: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| TCGv_i32 fp2 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_load_fpr32(fp2, fr); |
| gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp2, fd); |
| tcg_temp_free_i32(fp2); |
| } |
| opn = "nmadd.s"; |
| break; |
| case OPC_NMADD_D: |
| check_cop1x(ctx); |
| check_cp1_registers(ctx, fd | fs | ft | fr); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "nmadd.d"; |
| break; |
| case OPC_NMADD_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "nmadd.ps"; |
| break; |
| case OPC_NMSUB_S: |
| check_cop1x(ctx); |
| { |
| TCGv_i32 fp0 = tcg_temp_new_i32(); |
| TCGv_i32 fp1 = tcg_temp_new_i32(); |
| TCGv_i32 fp2 = tcg_temp_new_i32(); |
| |
| gen_load_fpr32(fp0, fs); |
| gen_load_fpr32(fp1, ft); |
| gen_load_fpr32(fp2, fr); |
| gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i32(fp0); |
| tcg_temp_free_i32(fp1); |
| gen_store_fpr32(fp2, fd); |
| tcg_temp_free_i32(fp2); |
| } |
| opn = "nmsub.s"; |
| break; |
| case OPC_NMSUB_D: |
| check_cop1x(ctx); |
| check_cp1_registers(ctx, fd | fs | ft | fr); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "nmsub.d"; |
| break; |
| case OPC_NMSUB_PS: |
| check_cp1_64bitmode(ctx); |
| { |
| TCGv_i64 fp0 = tcg_temp_new_i64(); |
| TCGv_i64 fp1 = tcg_temp_new_i64(); |
| TCGv_i64 fp2 = tcg_temp_new_i64(); |
| |
| gen_load_fpr64(ctx, fp0, fs); |
| gen_load_fpr64(ctx, fp1, ft); |
| gen_load_fpr64(ctx, fp2, fr); |
| gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2); |
| tcg_temp_free_i64(fp0); |
| tcg_temp_free_i64(fp1); |
| gen_store_fpr64(ctx, fp2, fd); |
| tcg_temp_free_i64(fp2); |
| } |
| opn = "nmsub.ps"; |
| break; |
| default: |
| MIPS_INVAL(opn); |
| generate_exception (ctx, EXCP_RI); |
| return; |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr], |
| fregnames[fs], fregnames[ft]); |
| } |
| |
| static void |
| gen_rdhwr (CPUState *env, DisasContext *ctx, int rt, int rd) |
| { |
| TCGv t0; |
| |
| check_insn(env, ctx, ISA_MIPS32R2); |
| t0 = tcg_temp_new(); |
| |
| switch (rd) { |
| case 0: |
| save_cpu_state(ctx, 1); |
| gen_helper_rdhwr_cpunum(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case 1: |
| save_cpu_state(ctx, 1); |
| gen_helper_rdhwr_synci_step(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case 2: |
| save_cpu_state(ctx, 1); |
| gen_helper_rdhwr_cc(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case 3: |
| save_cpu_state(ctx, 1); |
| gen_helper_rdhwr_ccres(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case 29: |
| #if defined(CONFIG_USER_ONLY) |
| tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); |
| gen_store_gpr(t0, rt); |
| break; |
| #else |
| /* XXX: Some CPUs implement this in hardware. |
| Not supported yet. */ |
| #endif |
| default: /* Invalid */ |
| MIPS_INVAL("rdhwr"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| tcg_temp_free(t0); |
| } |
| |
| static void handle_delay_slot (CPUState *env, DisasContext *ctx, |
| int insn_bytes) |
| { |
| if (ctx->hflags & MIPS_HFLAG_BMASK) { |
| int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK; |
| /* Branches completion */ |
| ctx->hflags &= ~MIPS_HFLAG_BMASK; |
| ctx->bstate = BS_BRANCH; |
| save_cpu_state(ctx, 0); |
| /* FIXME: Need to clear can_do_io. */ |
| switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) { |
| case MIPS_HFLAG_B: |
| /* unconditional branch */ |
| MIPS_DEBUG("unconditional branch"); |
| if (proc_hflags & MIPS_HFLAG_BX) { |
| tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16); |
| } |
| gen_goto_tb(ctx, 0, ctx->btarget); |
| break; |
| case MIPS_HFLAG_BL: |
| /* blikely taken case */ |
| MIPS_DEBUG("blikely branch taken"); |
| gen_goto_tb(ctx, 0, ctx->btarget); |
| break; |
| case MIPS_HFLAG_BC: |
| /* Conditional branch */ |
| MIPS_DEBUG("conditional branch"); |
| { |
| int l1 = gen_new_label(); |
| |
| tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); |
| gen_goto_tb(ctx, 1, ctx->pc + insn_bytes); |
| 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"); |
| if (env->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) { |
| TCGv t0 = tcg_temp_new(); |
| TCGv_i32 t1 = tcg_temp_new_i32(); |
| |
| tcg_gen_andi_tl(t0, btarget, 0x1); |
| tcg_gen_trunc_tl_i32(t1, t0); |
| tcg_temp_free(t0); |
| tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16); |
| tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT); |
| tcg_gen_or_i32(hflags, hflags, t1); |
| tcg_temp_free_i32(t1); |
| |
| tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1); |
| } else { |
| tcg_gen_mov_tl(cpu_PC, btarget); |
| } |
| if (ctx->singlestep_enabled) { |
| save_cpu_state(ctx, 0); |
| gen_helper_0i(raise_exception, EXCP_DEBUG); |
| } |
| tcg_gen_exit_tb(0); |
| break; |
| default: |
| MIPS_DEBUG("unknown branch"); |
| break; |
| } |
| } |
| } |
| |
| /* ISA extensions (ASEs) */ |
| /* MIPS16 extension to MIPS32 */ |
| |
| /* MIPS16 major opcodes */ |
| enum { |
| M16_OPC_ADDIUSP = 0x00, |
| M16_OPC_ADDIUPC = 0x01, |
| M16_OPC_B = 0x02, |
| M16_OPC_JAL = 0x03, |
| M16_OPC_BEQZ = 0x04, |
| M16_OPC_BNEQZ = 0x05, |
| M16_OPC_SHIFT = 0x06, |
| M16_OPC_LD = 0x07, |
| M16_OPC_RRIA = 0x08, |
| M16_OPC_ADDIU8 = 0x09, |
| M16_OPC_SLTI = 0x0a, |
| M16_OPC_SLTIU = 0x0b, |
| M16_OPC_I8 = 0x0c, |
| M16_OPC_LI = 0x0d, |
| M16_OPC_CMPI = 0x0e, |
| M16_OPC_SD = 0x0f, |
| M16_OPC_LB = 0x10, |
| M16_OPC_LH = 0x11, |
| M16_OPC_LWSP = 0x12, |
| M16_OPC_LW = 0x13, |
| M16_OPC_LBU = 0x14, |
| M16_OPC_LHU = 0x15, |
| M16_OPC_LWPC = 0x16, |
| M16_OPC_LWU = 0x17, |
| M16_OPC_SB = 0x18, |
| M16_OPC_SH = 0x19, |
| M16_OPC_SWSP = 0x1a, |
| M16_OPC_SW = 0x1b, |
| M16_OPC_RRR = 0x1c, |
| M16_OPC_RR = 0x1d, |
| M16_OPC_EXTEND = 0x1e, |
| M16_OPC_I64 = 0x1f |
| }; |
| |
| /* I8 funct field */ |
| enum { |
| I8_BTEQZ = 0x0, |
| I8_BTNEZ = 0x1, |
| I8_SWRASP = 0x2, |
| I8_ADJSP = 0x3, |
| I8_SVRS = 0x4, |
| I8_MOV32R = 0x5, |
| I8_MOVR32 = 0x7 |
| }; |
| |
| /* RRR f field */ |
| enum { |
| RRR_DADDU = 0x0, |
| RRR_ADDU = 0x1, |
| RRR_DSUBU = 0x2, |
| RRR_SUBU = 0x3 |
| }; |
| |
| /* RR funct field */ |
| enum { |
| RR_JR = 0x00, |
| RR_SDBBP = 0x01, |
| RR_SLT = 0x02, |
| RR_SLTU = 0x03, |
| RR_SLLV = 0x04, |
| RR_BREAK = 0x05, |
| RR_SRLV = 0x06, |
| RR_SRAV = 0x07, |
| RR_DSRL = 0x08, |
| RR_CMP = 0x0a, |
| RR_NEG = 0x0b, |
| RR_AND = 0x0c, |
| RR_OR = 0x0d, |
| RR_XOR = 0x0e, |
| RR_NOT = 0x0f, |
| RR_MFHI = 0x10, |
| RR_CNVT = 0x11, |
| RR_MFLO = 0x12, |
| RR_DSRA = 0x13, |
| RR_DSLLV = 0x14, |
| RR_DSRLV = 0x16, |
| RR_DSRAV = 0x17, |
| RR_MULT = 0x18, |
| RR_MULTU = 0x19, |
| RR_DIV = 0x1a, |
| RR_DIVU = 0x1b, |
| RR_DMULT = 0x1c, |
| RR_DMULTU = 0x1d, |
| RR_DDIV = 0x1e, |
| RR_DDIVU = 0x1f |
| }; |
| |
| /* I64 funct field */ |
| enum { |
| I64_LDSP = 0x0, |
| I64_SDSP = 0x1, |
| I64_SDRASP = 0x2, |
| I64_DADJSP = 0x3, |
| I64_LDPC = 0x4, |
| I64_DADDIU5 = 0x5, |
| I64_DADDIUPC = 0x6, |
| I64_DADDIUSP = 0x7 |
| }; |
| |
| /* RR ry field for CNVT */ |
| enum { |
| RR_RY_CNVT_ZEB = 0x0, |
| RR_RY_CNVT_ZEH = 0x1, |
| RR_RY_CNVT_ZEW = 0x2, |
| RR_RY_CNVT_SEB = 0x4, |
| RR_RY_CNVT_SEH = 0x5, |
| RR_RY_CNVT_SEW = 0x6, |
| }; |
| |
| static int xlat (int r) |
| { |
| static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; |
| |
| return map[r]; |
| } |
| |
| static void gen_mips16_save (DisasContext *ctx, |
| int xsregs, int aregs, |
| int do_ra, int do_s0, int do_s1, |
| int framesize) |
| { |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| int args, astatic; |
| |
| switch (aregs) { |
| case 0: |
| case 1: |
| case 2: |
| case 3: |
| case 11: |
| args = 0; |
| break; |
| case 4: |
| case 5: |
| case 6: |
| case 7: |
| args = 1; |
| break; |
| case 8: |
| case 9: |
| case 10: |
| args = 2; |
| break; |
| case 12: |
| case 13: |
| args = 3; |
| break; |
| case 14: |
| args = 4; |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| return; |
| } |
| |
| switch (args) { |
| case 4: |
| gen_base_offset_addr(ctx, t0, 29, 12); |
| gen_load_gpr(t1, 7); |
| op_st_sw(t1, t0, ctx); |
| /* Fall through */ |
| case 3: |
| gen_base_offset_addr(ctx, t0, 29, 8); |
| gen_load_gpr(t1, 6); |
| op_st_sw(t1, t0, ctx); |
| /* Fall through */ |
| case 2: |
| gen_base_offset_addr(ctx, t0, 29, 4); |
| gen_load_gpr(t1, 5); |
| op_st_sw(t1, t0, ctx); |
| /* Fall through */ |
| case 1: |
| gen_base_offset_addr(ctx, t0, 29, 0); |
| gen_load_gpr(t1, 4); |
| op_st_sw(t1, t0, ctx); |
| } |
| |
| gen_load_gpr(t0, 29); |
| |
| #define DECR_AND_STORE(reg) do { \ |
| tcg_gen_subi_tl(t0, t0, 4); \ |
| gen_load_gpr(t1, reg); \ |
| op_st_sw(t1, t0, ctx); \ |
| } while (0) |
| |
| if (do_ra) { |
| DECR_AND_STORE(31); |
| } |
| |
| switch (xsregs) { |
| case 7: |
| DECR_AND_STORE(30); |
| /* Fall through */ |
| case 6: |
| DECR_AND_STORE(23); |
| /* Fall through */ |
| case 5: |
| DECR_AND_STORE(22); |
| /* Fall through */ |
| case 4: |
| DECR_AND_STORE(21); |
| /* Fall through */ |
| case 3: |
| DECR_AND_STORE(20); |
| /* Fall through */ |
| case 2: |
| DECR_AND_STORE(19); |
| /* Fall through */ |
| case 1: |
| DECR_AND_STORE(18); |
| } |
| |
| if (do_s1) { |
| DECR_AND_STORE(17); |
| } |
| if (do_s0) { |
| DECR_AND_STORE(16); |
| } |
| |
| switch (aregs) { |
| case 0: |
| case 4: |
| case 8: |
| case 12: |
| case 14: |
| astatic = 0; |
| break; |
| case 1: |
| case 5: |
| case 9: |
| case 13: |
| astatic = 1; |
| break; |
| case 2: |
| case 6: |
| case 10: |
| astatic = 2; |
| break; |
| case 3: |
| case 7: |
| astatic = 3; |
| break; |
| case 11: |
| astatic = 4; |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| return; |
| } |
| |
| if (astatic > 0) { |
| DECR_AND_STORE(7); |
| if (astatic > 1) { |
| DECR_AND_STORE(6); |
| if (astatic > 2) { |
| DECR_AND_STORE(5); |
| if (astatic > 3) { |
| DECR_AND_STORE(4); |
| } |
| } |
| } |
| } |
| #undef DECR_AND_STORE |
| |
| tcg_gen_subi_tl(cpu_gpr[29], cpu_gpr[29], framesize); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_mips16_restore (DisasContext *ctx, |
| int xsregs, int aregs, |
| int do_ra, int do_s0, int do_s1, |
| int framesize) |
| { |
| int astatic; |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| |
| tcg_gen_addi_tl(t0, cpu_gpr[29], framesize); |
| |
| #define DECR_AND_LOAD(reg) do { \ |
| tcg_gen_subi_tl(t0, t0, 4); \ |
| op_ld_lw(t1, t0, ctx); \ |
| gen_store_gpr(t1, reg); \ |
| } while (0) |
| |
| if (do_ra) { |
| DECR_AND_LOAD(31); |
| } |
| |
| switch (xsregs) { |
| case 7: |
| DECR_AND_LOAD(30); |
| /* Fall through */ |
| case 6: |
| DECR_AND_LOAD(23); |
| /* Fall through */ |
| case 5: |
| DECR_AND_LOAD(22); |
| /* Fall through */ |
| case 4: |
| DECR_AND_LOAD(21); |
| /* Fall through */ |
| case 3: |
| DECR_AND_LOAD(20); |
| /* Fall through */ |
| case 2: |
| DECR_AND_LOAD(19); |
| /* Fall through */ |
| case 1: |
| DECR_AND_LOAD(18); |
| } |
| |
| if (do_s1) { |
| DECR_AND_LOAD(17); |
| } |
| if (do_s0) { |
| DECR_AND_LOAD(16); |
| } |
| |
| switch (aregs) { |
| case 0: |
| case 4: |
| case 8: |
| case 12: |
| case 14: |
| astatic = 0; |
| break; |
| case 1: |
| case 5: |
| case 9: |
| case 13: |
| astatic = 1; |
| break; |
| case 2: |
| case 6: |
| case 10: |
| astatic = 2; |
| break; |
| case 3: |
| case 7: |
| astatic = 3; |
| break; |
| case 11: |
| astatic = 4; |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| return; |
| } |
| |
| if (astatic > 0) { |
| DECR_AND_LOAD(7); |
| if (astatic > 1) { |
| DECR_AND_LOAD(6); |
| if (astatic > 2) { |
| DECR_AND_LOAD(5); |
| if (astatic > 3) { |
| DECR_AND_LOAD(4); |
| } |
| } |
| } |
| } |
| #undef DECR_AND_LOAD |
| |
| tcg_gen_addi_tl(cpu_gpr[29], cpu_gpr[29], framesize); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_addiupc (DisasContext *ctx, int rx, int imm, |
| int is_64_bit, int extended) |
| { |
| TCGv t0; |
| |
| if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { |
| generate_exception(ctx, EXCP_RI); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| |
| tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); |
| tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); |
| if (!is_64_bit) { |
| tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| } |
| |
| tcg_temp_free(t0); |
| } |
| |
| #if defined(TARGET_MIPS64) |
| static void decode_i64_mips16 (CPUState *env, DisasContext *ctx, |
| int ry, int funct, int16_t offset, |
| int extended) |
| { |
| switch (funct) { |
| case I64_LDSP: |
| check_mips_64(ctx); |
| offset = extended ? offset : offset << 3; |
| gen_ld(env, ctx, OPC_LD, ry, 29, offset); |
| break; |
| case I64_SDSP: |
| check_mips_64(ctx); |
| offset = extended ? offset : offset << 3; |
| gen_st(ctx, OPC_SD, ry, 29, offset); |
| break; |
| case I64_SDRASP: |
| check_mips_64(ctx); |
| offset = extended ? offset : (ctx->opcode & 0xff) << 3; |
| gen_st(ctx, OPC_SD, 31, 29, offset); |
| break; |
| case I64_DADJSP: |
| check_mips_64(ctx); |
| offset = extended ? offset : ((int8_t)ctx->opcode) << 3; |
| gen_arith_imm(env, ctx, OPC_DADDIU, 29, 29, offset); |
| break; |
| case I64_LDPC: |
| if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { |
| generate_exception(ctx, EXCP_RI); |
| } else { |
| offset = extended ? offset : offset << 3; |
| gen_ld(env, ctx, OPC_LDPC, ry, 0, offset); |
| } |
| break; |
| case I64_DADDIU5: |
| check_mips_64(ctx); |
| offset = extended ? offset : ((int8_t)(offset << 3)) >> 3; |
| gen_arith_imm(env, ctx, OPC_DADDIU, ry, ry, offset); |
| break; |
| case I64_DADDIUPC: |
| check_mips_64(ctx); |
| offset = extended ? offset : offset << 2; |
| gen_addiupc(ctx, ry, offset, 1, extended); |
| break; |
| case I64_DADDIUSP: |
| check_mips_64(ctx); |
| offset = extended ? offset : offset << 2; |
| gen_arith_imm(env, ctx, OPC_DADDIU, ry, 29, offset); |
| break; |
| } |
| } |
| #endif |
| |
| static int decode_extended_mips16_opc (CPUState *env, DisasContext *ctx, |
| int *is_branch) |
| { |
| int extend = lduw_code(ctx->pc + 2); |
| int op, rx, ry, funct, sa; |
| int16_t imm, offset; |
| |
| ctx->opcode = (ctx->opcode << 16) | extend; |
| op = (ctx->opcode >> 11) & 0x1f; |
| sa = (ctx->opcode >> 22) & 0x1f; |
| funct = (ctx->opcode >> 8) & 0x7; |
| rx = xlat((ctx->opcode >> 8) & 0x7); |
| ry = xlat((ctx->opcode >> 5) & 0x7); |
| offset = imm = (int16_t) (((ctx->opcode >> 16) & 0x1f) << 11 |
| | ((ctx->opcode >> 21) & 0x3f) << 5 |
| | (ctx->opcode & 0x1f)); |
| |
| /* The extended opcodes cleverly reuse the opcodes from their 16-bit |
| counterparts. */ |
| switch (op) { |
| case M16_OPC_ADDIUSP: |
| gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm); |
| break; |
| case M16_OPC_ADDIUPC: |
| gen_addiupc(ctx, rx, imm, 0, 1); |
| break; |
| case M16_OPC_B: |
| gen_compute_branch(ctx, OPC_BEQ, 4, 0, 0, offset << 1); |
| /* No delay slot, so just process as a normal instruction */ |
| break; |
| case M16_OPC_BEQZ: |
| gen_compute_branch(ctx, OPC_BEQ, 4, rx, 0, offset << 1); |
| /* No delay slot, so just process as a normal instruction */ |
| break; |
| case M16_OPC_BNEQZ: |
| gen_compute_branch(ctx, OPC_BNE, 4, rx, 0, offset << 1); |
| /* No delay slot, so just process as a normal instruction */ |
| break; |
| case M16_OPC_SHIFT: |
| switch (ctx->opcode & 0x3) { |
| case 0x0: |
| gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); |
| break; |
| case 0x1: |
| #if defined(TARGET_MIPS64) |
| check_mips_64(ctx); |
| gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); |
| #else |
| generate_exception(ctx, EXCP_RI); |
| #endif |
| break; |
| case 0x2: |
| gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); |
| break; |
| case 0x3: |
| gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); |
| break; |
| } |
| break; |
| #if defined(TARGET_MIPS64) |
| case M16_OPC_LD: |
| check_mips_64(ctx); |
| gen_ld(env, ctx, OPC_LD, ry, rx, offset); |
| break; |
| #endif |
| case M16_OPC_RRIA: |
| imm = ctx->opcode & 0xf; |
| imm = imm | ((ctx->opcode >> 20) & 0x7f) << 4; |
| imm = imm | ((ctx->opcode >> 16) & 0xf) << 11; |
| imm = (int16_t) (imm << 1) >> 1; |
| if ((ctx->opcode >> 4) & 0x1) { |
| #if defined(TARGET_MIPS64) |
| check_mips_64(ctx); |
| gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); |
| #else |
| generate_exception(ctx, EXCP_RI); |
| #endif |
| } else { |
| gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); |
| } |
| break; |
| case M16_OPC_ADDIU8: |
| gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); |
| break; |
| case M16_OPC_SLTI: |
| gen_slt_imm(env, OPC_SLTI, 24, rx, imm); |
| break; |
| case M16_OPC_SLTIU: |
| gen_slt_imm(env, OPC_SLTIU, 24, rx, imm); |
| break; |
| case M16_OPC_I8: |
| switch (funct) { |
| case I8_BTEQZ: |
| gen_compute_branch(ctx, OPC_BEQ, 4, 24, 0, offset << 1); |
| break; |
| case I8_BTNEZ: |
| gen_compute_branch(ctx, OPC_BNE, 4, 24, 0, offset << 1); |
| break; |
| case I8_SWRASP: |
| gen_st(ctx, OPC_SW, 31, 29, imm); |
| break; |
| case I8_ADJSP: |
| gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm); |
| break; |
| case I8_SVRS: |
| { |
| int xsregs = (ctx->opcode >> 24) & 0x7; |
| int aregs = (ctx->opcode >> 16) & 0xf; |
| int do_ra = (ctx->opcode >> 6) & 0x1; |
| int do_s0 = (ctx->opcode >> 5) & 0x1; |
| int do_s1 = (ctx->opcode >> 4) & 0x1; |
| int framesize = (((ctx->opcode >> 20) & 0xf) << 4 |
| | (ctx->opcode & 0xf)) << 3; |
| |
| if (ctx->opcode & (1 << 7)) { |
| gen_mips16_save(ctx, xsregs, aregs, |
| do_ra, do_s0, do_s1, |
| framesize); |
| } else { |
| gen_mips16_restore(ctx, xsregs, aregs, |
| do_ra, do_s0, do_s1, |
| framesize); |
| } |
| } |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case M16_OPC_LI: |
| tcg_gen_movi_tl(cpu_gpr[rx], (uint16_t) imm); |
| break; |
| case M16_OPC_CMPI: |
| tcg_gen_xori_tl(cpu_gpr[24], cpu_gpr[rx], (uint16_t) imm); |
| break; |
| #if defined(TARGET_MIPS64) |
| case M16_OPC_SD: |
| gen_st(ctx, OPC_SD, ry, rx, offset); |
| break; |
| #endif |
| case M16_OPC_LB: |
| gen_ld(env, ctx, OPC_LB, ry, rx, offset); |
| break; |
| case M16_OPC_LH: |
| gen_ld(env, ctx, OPC_LH, ry, rx, offset); |
| break; |
| case M16_OPC_LWSP: |
| gen_ld(env, ctx, OPC_LW, rx, 29, offset); |
| break; |
| case M16_OPC_LW: |
| gen_ld(env, ctx, OPC_LW, ry, rx, offset); |
| break; |
| case M16_OPC_LBU: |
| gen_ld(env, ctx, OPC_LBU, ry, rx, offset); |
| break; |
| case M16_OPC_LHU: |
| gen_ld(env, ctx, OPC_LHU, ry, rx, offset); |
| break; |
| case M16_OPC_LWPC: |
| gen_ld(env, ctx, OPC_LWPC, rx, 0, offset); |
| break; |
| #if defined(TARGET_MIPS64) |
| case M16_OPC_LWU: |
| gen_ld(env, ctx, OPC_LWU, ry, rx, offset); |
| break; |
| #endif |
| case M16_OPC_SB: |
| gen_st(ctx, OPC_SB, ry, rx, offset); |
| break; |
| case M16_OPC_SH: |
| gen_st(ctx, OPC_SH, ry, rx, offset); |
| break; |
| case M16_OPC_SWSP: |
| gen_st(ctx, OPC_SW, rx, 29, offset); |
| break; |
| case M16_OPC_SW: |
| gen_st(ctx, OPC_SW, ry, rx, offset); |
| break; |
| #if defined(TARGET_MIPS64) |
| case M16_OPC_I64: |
| decode_i64_mips16(env, ctx, ry, funct, offset, 1); |
| break; |
| #endif |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| |
| return 4; |
| } |
| |
| static int decode_mips16_opc (CPUState *env, DisasContext *ctx, |
| int *is_branch) |
| { |
| int rx, ry; |
| int sa; |
| int op, cnvt_op, op1, offset; |
| int funct; |
| int n_bytes; |
| |
| op = (ctx->opcode >> 11) & 0x1f; |
| sa = (ctx->opcode >> 2) & 0x7; |
| sa = sa == 0 ? 8 : sa; |
| rx = xlat((ctx->opcode >> 8) & 0x7); |
| cnvt_op = (ctx->opcode >> 5) & 0x7; |
| ry = xlat((ctx->opcode >> 5) & 0x7); |
| op1 = offset = ctx->opcode & 0x1f; |
| |
| n_bytes = 2; |
| |
| switch (op) { |
| case M16_OPC_ADDIUSP: |
| { |
| int16_t imm = ((uint8_t) ctx->opcode) << 2; |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm); |
| } |
| break; |
| case M16_OPC_ADDIUPC: |
| gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0); |
| break; |
| case M16_OPC_B: |
| offset = (ctx->opcode & 0x7ff) << 1; |
| offset = (int16_t)(offset << 4) >> 4; |
| gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset); |
| /* No delay slot, so just process as a normal instruction */ |
| break; |
| case M16_OPC_JAL: |
| offset = lduw_code(ctx->pc + 2); |
| offset = (((ctx->opcode & 0x1f) << 21) |
| | ((ctx->opcode >> 5) & 0x1f) << 16 |
| | offset) << 2; |
| op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALXS : OPC_JALS; |
| gen_compute_branch(ctx, op, 4, rx, ry, offset); |
| n_bytes = 4; |
| *is_branch = 1; |
| break; |
| case M16_OPC_BEQZ: |
| gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0, ((int8_t)ctx->opcode) << 1); |
| /* No delay slot, so just process as a normal instruction */ |
| break; |
| case M16_OPC_BNEQZ: |
| gen_compute_branch(ctx, OPC_BNE, 2, rx, 0, ((int8_t)ctx->opcode) << 1); |
| /* No delay slot, so just process as a normal instruction */ |
| break; |
| case M16_OPC_SHIFT: |
| switch (ctx->opcode & 0x3) { |
| case 0x0: |
| gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); |
| break; |
| case 0x1: |
| #if defined(TARGET_MIPS64) |
| check_mips_64(ctx); |
| gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); |
| #else |
| generate_exception(ctx, EXCP_RI); |
| #endif |
| break; |
| case 0x2: |
| gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); |
| break; |
| case 0x3: |
| gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); |
| break; |
| } |
| break; |
| #if defined(TARGET_MIPS64) |
| case M16_OPC_LD: |
| check_mips_64(ctx); |
| gen_ld(env, ctx, OPC_LD, ry, rx, offset << 3); |
| break; |
| #endif |
| case M16_OPC_RRIA: |
| { |
| int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4; |
| |
| if ((ctx->opcode >> 4) & 1) { |
| #if defined(TARGET_MIPS64) |
| check_mips_64(ctx); |
| gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); |
| #else |
| generate_exception(ctx, EXCP_RI); |
| #endif |
| } else { |
| gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); |
| } |
| } |
| break; |
| case M16_OPC_ADDIU8: |
| { |
| int16_t imm = (int8_t) ctx->opcode; |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); |
| } |
| break; |
| case M16_OPC_SLTI: |
| { |
| int16_t imm = (uint8_t) ctx->opcode; |
| |
| gen_slt_imm(env, OPC_SLTI, 24, rx, imm); |
| } |
| break; |
| case M16_OPC_SLTIU: |
| { |
| int16_t imm = (uint8_t) ctx->opcode; |
| |
| gen_slt_imm(env, OPC_SLTIU, 24, rx, imm); |
| } |
| break; |
| case M16_OPC_I8: |
| { |
| int reg32; |
| |
| funct = (ctx->opcode >> 8) & 0x7; |
| switch (funct) { |
| case I8_BTEQZ: |
| gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0, |
| ((int8_t)ctx->opcode) << 1); |
| break; |
| case I8_BTNEZ: |
| gen_compute_branch(ctx, OPC_BNE, 2, 24, 0, |
| ((int8_t)ctx->opcode) << 1); |
| break; |
| case I8_SWRASP: |
| gen_st(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2); |
| break; |
| case I8_ADJSP: |
| gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, |
| ((int8_t)ctx->opcode) << 3); |
| break; |
| case I8_SVRS: |
| { |
| int do_ra = ctx->opcode & (1 << 6); |
| int do_s0 = ctx->opcode & (1 << 5); |
| int do_s1 = ctx->opcode & (1 << 4); |
| int framesize = ctx->opcode & 0xf; |
| |
| if (framesize == 0) { |
| framesize = 128; |
| } else { |
| framesize = framesize << 3; |
| } |
| |
| if (ctx->opcode & (1 << 7)) { |
| gen_mips16_save(ctx, 0, 0, |
| do_ra, do_s0, do_s1, framesize); |
| } else { |
| gen_mips16_restore(ctx, 0, 0, |
| do_ra, do_s0, do_s1, framesize); |
| } |
| } |
| break; |
| case I8_MOV32R: |
| { |
| int rz = xlat(ctx->opcode & 0x7); |
| |
| reg32 = (((ctx->opcode >> 3) & 0x3) << 3) | |
| ((ctx->opcode >> 5) & 0x7); |
| gen_arith(env, ctx, OPC_ADDU, reg32, rz, 0); |
| } |
| break; |
| case I8_MOVR32: |
| reg32 = ctx->opcode & 0x1f; |
| gen_arith(env, ctx, OPC_ADDU, ry, reg32, 0); |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| } |
| break; |
| case M16_OPC_LI: |
| { |
| int16_t imm = (uint8_t) ctx->opcode; |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rx, 0, imm); |
| } |
| break; |
| case M16_OPC_CMPI: |
| { |
| int16_t imm = (uint8_t) ctx->opcode; |
| |
| gen_logic_imm(env, OPC_XORI, 24, rx, imm); |
| } |
| break; |
| #if defined(TARGET_MIPS64) |
| case M16_OPC_SD: |
| check_mips_64(ctx); |
| gen_st(ctx, OPC_SD, ry, rx, offset << 3); |
| break; |
| #endif |
| case M16_OPC_LB: |
| gen_ld(env, ctx, OPC_LB, ry, rx, offset); |
| break; |
| case M16_OPC_LH: |
| gen_ld(env, ctx, OPC_LH, ry, rx, offset << 1); |
| break; |
| case M16_OPC_LWSP: |
| gen_ld(env, ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
| break; |
| case M16_OPC_LW: |
| gen_ld(env, ctx, OPC_LW, ry, rx, offset << 2); |
| break; |
| case M16_OPC_LBU: |
| gen_ld(env, ctx, OPC_LBU, ry, rx, offset); |
| break; |
| case M16_OPC_LHU: |
| gen_ld(env, ctx, OPC_LHU, ry, rx, offset << 1); |
| break; |
| case M16_OPC_LWPC: |
| gen_ld(env, ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2); |
| break; |
| #if defined (TARGET_MIPS64) |
| case M16_OPC_LWU: |
| check_mips_64(ctx); |
| gen_ld(env, ctx, OPC_LWU, ry, rx, offset << 2); |
| break; |
| #endif |
| case M16_OPC_SB: |
| gen_st(ctx, OPC_SB, ry, rx, offset); |
| break; |
| case M16_OPC_SH: |
| gen_st(ctx, OPC_SH, ry, rx, offset << 1); |
| break; |
| case M16_OPC_SWSP: |
| gen_st(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
| break; |
| case M16_OPC_SW: |
| gen_st(ctx, OPC_SW, ry, rx, offset << 2); |
| break; |
| case M16_OPC_RRR: |
| { |
| int rz = xlat((ctx->opcode >> 2) & 0x7); |
| int mips32_op; |
| |
| switch (ctx->opcode & 0x3) { |
| case RRR_ADDU: |
| mips32_op = OPC_ADDU; |
| break; |
| case RRR_SUBU: |
| mips32_op = OPC_SUBU; |
| break; |
| #if defined(TARGET_MIPS64) |
| case RRR_DADDU: |
| mips32_op = OPC_DADDU; |
| check_mips_64(ctx); |
| break; |
| case RRR_DSUBU: |
| mips32_op = OPC_DSUBU; |
| check_mips_64(ctx); |
| break; |
| #endif |
| default: |
| generate_exception(ctx, EXCP_RI); |
| goto done; |
| } |
| |
| gen_arith(env, ctx, mips32_op, rz, rx, ry); |
| done: |
| ; |
| } |
| break; |
| case M16_OPC_RR: |
| switch (op1) { |
| case RR_JR: |
| { |
| int nd = (ctx->opcode >> 7) & 0x1; |
| int link = (ctx->opcode >> 6) & 0x1; |
| int ra = (ctx->opcode >> 5) & 0x1; |
| |
| if (link) { |
| op = nd ? OPC_JALRC : OPC_JALRS; |
| } else { |
| op = OPC_JR; |
| } |
| |
| gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0); |
| if (!nd) { |
| *is_branch = 1; |
| } |
| } |
| break; |
| case RR_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); |
| } |
| break; |
| case RR_SLT: |
| gen_slt(env, OPC_SLT, 24, rx, ry); |
| break; |
| case RR_SLTU: |
| gen_slt(env, OPC_SLTU, 24, rx, ry); |
| break; |
| case RR_BREAK: |
| generate_exception(ctx, EXCP_BREAK); |
| break; |
| case RR_SLLV: |
| gen_shift(env, ctx, OPC_SLLV, ry, rx, ry); |
| break; |
| case RR_SRLV: |
| gen_shift(env, ctx, OPC_SRLV, ry, rx, ry); |
| break; |
| case RR_SRAV: |
| gen_shift(env, ctx, OPC_SRAV, ry, rx, ry); |
| break; |
| #if defined (TARGET_MIPS64) |
| case RR_DSRL: |
| check_mips_64(ctx); |
| gen_shift_imm(env, ctx, OPC_DSRL, ry, ry, sa); |
| break; |
| #endif |
| case RR_CMP: |
| gen_logic(env, OPC_XOR, 24, rx, ry); |
| break; |
| case RR_NEG: |
| gen_arith(env, ctx, OPC_SUBU, rx, 0, ry); |
| break; |
| case RR_AND: |
| gen_logic(env, OPC_AND, rx, rx, ry); |
| break; |
| case RR_OR: |
| gen_logic(env, OPC_OR, rx, rx, ry); |
| break; |
| case RR_XOR: |
| gen_logic(env, OPC_XOR, rx, rx, ry); |
| break; |
| case RR_NOT: |
| gen_logic(env, OPC_NOR, rx, ry, 0); |
| break; |
| case RR_MFHI: |
| gen_HILO(ctx, OPC_MFHI, rx); |
| break; |
| case RR_CNVT: |
| switch (cnvt_op) { |
| case RR_RY_CNVT_ZEB: |
| tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| break; |
| case RR_RY_CNVT_ZEH: |
| tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| break; |
| case RR_RY_CNVT_SEB: |
| tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| break; |
| case RR_RY_CNVT_SEH: |
| tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| break; |
| #if defined (TARGET_MIPS64) |
| case RR_RY_CNVT_ZEW: |
| check_mips_64(ctx); |
| tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| break; |
| case RR_RY_CNVT_SEW: |
| check_mips_64(ctx); |
| tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| break; |
| #endif |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case RR_MFLO: |
| gen_HILO(ctx, OPC_MFLO, rx); |
| break; |
| #if defined (TARGET_MIPS64) |
| case RR_DSRA: |
| check_mips_64(ctx); |
| gen_shift_imm(env, ctx, OPC_DSRA, ry, ry, sa); |
| break; |
| case RR_DSLLV: |
| check_mips_64(ctx); |
| gen_shift(env, ctx, OPC_DSLLV, ry, rx, ry); |
| break; |
| case RR_DSRLV: |
| check_mips_64(ctx); |
| gen_shift(env, ctx, OPC_DSRLV, ry, rx, ry); |
| break; |
| case RR_DSRAV: |
| check_mips_64(ctx); |
| gen_shift(env, ctx, OPC_DSRAV, ry, rx, ry); |
| break; |
| #endif |
| case RR_MULT: |
| gen_muldiv(ctx, OPC_MULT, rx, ry); |
| break; |
| case RR_MULTU: |
| gen_muldiv(ctx, OPC_MULTU, rx, ry); |
| break; |
| case RR_DIV: |
| gen_muldiv(ctx, OPC_DIV, rx, ry); |
| break; |
| case RR_DIVU: |
| gen_muldiv(ctx, OPC_DIVU, rx, ry); |
| break; |
| #if defined (TARGET_MIPS64) |
| case RR_DMULT: |
| check_mips_64(ctx); |
| gen_muldiv(ctx, OPC_DMULT, rx, ry); |
| break; |
| case RR_DMULTU: |
| check_mips_64(ctx); |
| gen_muldiv(ctx, OPC_DMULTU, rx, ry); |
| break; |
| case RR_DDIV: |
| check_mips_64(ctx); |
| gen_muldiv(ctx, OPC_DDIV, rx, ry); |
| break; |
| case RR_DDIVU: |
| check_mips_64(ctx); |
| gen_muldiv(ctx, OPC_DDIVU, rx, ry); |
| break; |
| #endif |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case M16_OPC_EXTEND: |
| decode_extended_mips16_opc(env, ctx, is_branch); |
| n_bytes = 4; |
| break; |
| #if defined(TARGET_MIPS64) |
| case M16_OPC_I64: |
| funct = (ctx->opcode >> 8) & 0x7; |
| decode_i64_mips16(env, ctx, ry, funct, offset, 0); |
| break; |
| #endif |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| |
| return n_bytes; |
| } |
| |
| /* microMIPS extension to MIPS32 */ |
| |
| /* microMIPS32 major opcodes */ |
| |
| enum { |
| POOL32A = 0x00, |
| POOL16A = 0x01, |
| LBU16 = 0x02, |
| MOVE16 = 0x03, |
| ADDI32 = 0x04, |
| LBU32 = 0x05, |
| SB32 = 0x06, |
| LB32 = 0x07, |
| |
| POOL32B = 0x08, |
| POOL16B = 0x09, |
| LHU16 = 0x0a, |
| ANDI16 = 0x0b, |
| ADDIU32 = 0x0c, |
| LHU32 = 0x0d, |
| SH32 = 0x0e, |
| LH32 = 0x0f, |
| |
| POOL32I = 0x10, |
| POOL16C = 0x11, |
| LWSP16 = 0x12, |
| POOL16D = 0x13, |
| ORI32 = 0x14, |
| POOL32F = 0x15, |
| POOL32S = 0x16, |
| DADDIU32 = 0x17, |
| |
| POOL32C = 0x18, |
| LWGP16 = 0x19, |
| LW16 = 0x1a, |
| POOL16E = 0x1b, |
| XORI32 = 0x1c, |
| JALS32 = 0x1d, |
| ADDIUPC = 0x1e, |
| POOL48A = 0x1f, |
| |
| /* 0x20 is reserved */ |
| RES_20 = 0x20, |
| POOL16F = 0x21, |
| SB16 = 0x22, |
| BEQZ16 = 0x23, |
| SLTI32 = 0x24, |
| BEQ32 = 0x25, |
| SWC132 = 0x26, |
| LWC132 = 0x27, |
| |
| /* 0x28 and 0x29 are reserved */ |
| RES_28 = 0x28, |
| RES_29 = 0x29, |
| SH16 = 0x2a, |
| BNEZ16 = 0x2b, |
| SLTIU32 = 0x2c, |
| BNE32 = 0x2d, |
| SDC132 = 0x2e, |
| LDC132 = 0x2f, |
| |
| /* 0x30 and 0x31 are reserved */ |
| RES_30 = 0x30, |
| RES_31 = 0x31, |
| SWSP16 = 0x32, |
| B16 = 0x33, |
| ANDI32 = 0x34, |
| J32 = 0x35, |
| SD32 = 0x36, |
| LD32 = 0x37, |
| |
| /* 0x38 and 0x39 are reserved */ |
| RES_38 = 0x38, |
| RES_39 = 0x39, |
| SW16 = 0x3a, |
| LI16 = 0x3b, |
| JALX32 = 0x3c, |
| JAL32 = 0x3d, |
| SW32 = 0x3e, |
| LW32 = 0x3f |
| }; |
| |
| /* POOL32A encoding of minor opcode field */ |
| |
| enum { |
| /* These opcodes are distinguished only by bits 9..6; those bits are |
| * what are recorded below. */ |
| SLL32 = 0x0, |
| SRL32 = 0x1, |
| SRA = 0x2, |
| ROTR = 0x3, |
| |
| SLLV = 0x0, |
| SRLV = 0x1, |
| SRAV = 0x2, |
| ROTRV = 0x3, |
| ADD = 0x4, |
| ADDU32 = 0x5, |
| SUB = 0x6, |
| SUBU32 = 0x7, |
| MUL = 0x8, |
| AND = 0x9, |
| OR32 = 0xa, |
| NOR = 0xb, |
| XOR32 = 0xc, |
| SLT = 0xd, |
| SLTU = 0xe, |
| |
| MOVN = 0x0, |
| MOVZ = 0x1, |
| LWXS = 0x4, |
| |
| /* The following can be distinguished by their lower 6 bits. */ |
| INS = 0x0c, |
| EXT = 0x2c, |
| POOL32AXF = 0x3c |
| }; |
| |
| /* POOL32AXF encoding of minor opcode field extension */ |
| |
| enum { |
| /* bits 11..6 */ |
| TEQ = 0x00, |
| TGE = 0x08, |
| TGEU = 0x10, |
| TLT = 0x20, |
| TLTU = 0x28, |
| TNE = 0x30, |
| |
| MFC0 = 0x03, |
| MTC0 = 0x0b, |
| |
| /* bits 13..12 for 0x01 */ |
| MFHI_ACC = 0x0, |
| MFLO_ACC = 0x1, |
| MTHI_ACC = 0x2, |
| MTLO_ACC = 0x3, |
| |
| /* bits 13..12 for 0x2a */ |
| MADD_ACC = 0x0, |
| MADDU_ACC = 0x1, |
| MSUB_ACC = 0x2, |
| MSUBU_ACC = 0x3, |
| |
| /* bits 13..12 for 0x32 */ |
| MULT_ACC = 0x0, |
| MULTU_ACC = 0x0, |
| |
| /* bits 15..12 for 0x2c */ |
| SEB = 0x2, |
| SEH = 0x3, |
| CLO = 0x4, |
| CLZ = 0x5, |
| RDHWR = 0x6, |
| WSBH = 0x7, |
| MULT = 0x8, |
| MULTU = 0x9, |
| DIV = 0xa, |
| DIVU = 0xb, |
| MADD = 0xc, |
| MADDU = 0xd, |
| MSUB = 0xe, |
| MSUBU = 0xf, |
| |
| /* bits 15..12 for 0x34 */ |
| MFC2 = 0x4, |
| MTC2 = 0x5, |
| MFHC2 = 0x8, |
| MTHC2 = 0x9, |
| CFC2 = 0xc, |
| CTC2 = 0xd, |
| |
| /* bits 15..12 for 0x3c */ |
| JALR = 0x0, |
| JR = 0x0, /* alias */ |
| JALR_HB = 0x1, |
| JALRS = 0x4, |
| JALRS_HB = 0x5, |
| |
| /* bits 15..12 for 0x05 */ |
| RDPGPR = 0xe, |
| WRPGPR = 0xf, |
| |
| /* bits 15..12 for 0x0d */ |
| TLBP = 0x0, |
| TLBR = 0x1, |
| TLBWI = 0x2, |
| TLBWR = 0x3, |
| WAIT = 0x9, |
| IRET = 0xd, |
| DERET = 0xe, |
| ERET = 0xf, |
| |
| /* bits 15..12 for 0x15 */ |
| DMT = 0x0, |
| DVPE = 0x1, |
| EMT = 0x2, |
| EVPE = 0x3, |
| |
| /* bits 15..12 for 0x1d */ |
| DI = 0x4, |
| EI = 0x5, |
| |
| /* bits 15..12 for 0x2d */ |
| SYNC = 0x6, |
| SYSCALL = 0x8, |
| SDBBP = 0xd, |
| |
| /* bits 15..12 for 0x35 */ |
| MFHI32 = 0x0, |
| MFLO32 = 0x1, |
| MTHI32 = 0x2, |
| MTLO32 = 0x3, |
| }; |
| |
| /* POOL32B encoding of minor opcode field (bits 15..12) */ |
| |
| enum { |
| LWC2 = 0x0, |
| LWP = 0x1, |
| LDP = 0x4, |
| LWM32 = 0x5, |
| CACHE = 0x6, |
| LDM = 0x7, |
| SWC2 = 0x8, |
| SWP = 0x9, |
| SDP = 0xc, |
| SWM32 = 0xd, |
| SDM = 0xf |
| }; |
| |
| /* POOL32C encoding of minor opcode field (bits 15..12) */ |
| |
| enum { |
| LWL = 0x0, |
| SWL = 0x8, |
| LWR = 0x1, |
| SWR = 0x9, |
| PREF = 0x2, |
| /* 0xa is reserved */ |
| LL = 0x3, |
| SC = 0xb, |
| LDL = 0x4, |
| SDL = 0xc, |
| LDR = 0x5, |
| SDR = 0xd, |
| /* 0x6 is reserved */ |
| LWU = 0xe, |
| LLD = 0x7, |
| SCD = 0xf |
| }; |
| |
| /* POOL32F encoding of minor opcode field (bits 5..0) */ |
| |
| enum { |
| /* These are the bit 7..6 values */ |
| ADD_FMT = 0x0, |
| MOVN_FMT = 0x0, |
| |
| SUB_FMT = 0x1, |
| MOVZ_FMT = 0x1, |
| |
| MUL_FMT = 0x2, |
| |
| DIV_FMT = 0x3, |
| |
| /* These are the bit 8..6 values */ |
| RSQRT2_FMT = 0x0, |
| MOVF_FMT = 0x0, |
| |
| LWXC1 = 0x1, |
| MOVT_FMT = 0x1, |
| |
| PLL_PS = 0x2, |
| SWXC1 = 0x2, |
| |
| PLU_PS = 0x3, |
| LDXC1 = 0x3, |
| |
| PUL_PS = 0x4, |
| SDXC1 = 0x4, |
| RECIP2_FMT = 0x4, |
| |
| PUU_PS = 0x5, |
| LUXC1 = 0x5, |
| |
| CVT_PS_S = 0x6, |
| SUXC1 = 0x6, |
| ADDR_PS = 0x6, |
| PREFX = 0x6, |
| |
| MULR_PS = 0x7, |
| |
| MADD_S = 0x01, |
| MADD_D = 0x09, |
| MADD_PS = 0x11, |
| ALNV_PS = 0x19, |
| MSUB_S = 0x21, |
| MSUB_D = 0x29, |
| MSUB_PS = 0x31, |
| |
| NMADD_S = 0x02, |
| NMADD_D = 0x0a, |
| NMADD_PS = 0x12, |
| NMSUB_S = 0x22, |
| NMSUB_D = 0x2a, |
| NMSUB_PS = 0x32, |
| |
| POOL32FXF = 0x3b, |
| |
| CABS_COND_FMT = 0x1c, /* MIPS3D */ |
| C_COND_FMT = 0x3c |
| }; |
| |
| /* POOL32Fxf encoding of minor opcode extension field */ |
| |
| enum { |
| CVT_L = 0x04, |
| RSQRT_FMT = 0x08, |
| FLOOR_L = 0x0c, |
| CVT_PW_PS = 0x1c, |
| CVT_W = 0x24, |
| SQRT_FMT = 0x28, |
| FLOOR_W = 0x2c, |
| CVT_PS_PW = 0x3c, |
| CFC1 = 0x40, |
| RECIP_FMT = 0x48, |
| CEIL_L = 0x4c, |
| CTC1 = 0x60, |
| CEIL_W = 0x6c, |
| MFC1 = 0x80, |
| CVT_S_PL = 0x84, |
| TRUNC_L = 0x8c, |
| MTC1 = 0xa0, |
| CVT_S_PU = 0xa4, |
| TRUNC_W = 0xac, |
| MFHC1 = 0xc0, |
| ROUND_L = 0xcc, |
| MTHC1 = 0xe0, |
| ROUND_W = 0xec, |
| |
| MOV_FMT = 0x01, |
| MOVF = 0x05, |
| ABS_FMT = 0x0d, |
| RSQRT1_FMT = 0x1d, |
| MOVT = 0x25, |
| NEG_FMT = 0x2d, |
| CVT_D = 0x4d, |
| RECIP1_FMT = 0x5d, |
| CVT_S = 0x6d |
| }; |
| |
| /* POOL32I encoding of minor opcode field (bits 25..21) */ |
| |
| enum { |
| BLTZ = 0x00, |
| BLTZAL = 0x01, |
| BGEZ = 0x02, |
| BGEZAL = 0x03, |
| BLEZ = 0x04, |
| BNEZC = 0x05, |
| BGTZ = 0x06, |
| BEQZC = 0x07, |
| TLTI = 0x08, |
| TGEI = 0x09, |
| TLTIU = 0x0a, |
| TGEIU = 0x0b, |
| TNEI = 0x0c, |
| LUI = 0x0d, |
| TEQI = 0x0e, |
| SYNCI = 0x10, |
| BLTZALS = 0x11, |
| BGEZALS = 0x13, |
| BC2F = 0x14, |
| BC2T = 0x15, |
| BPOSGE64 = 0x1a, |
| BPOSGE32 = 0x1b, |
| /* These overlap and are distinguished by bit16 of the instruction */ |
| BC1F = 0x1c, |
| BC1T = 0x1d, |
| BC1ANY2F = 0x1c, |
| BC1ANY2T = 0x1d, |
| BC1ANY4F = 0x1e, |
| BC1ANY4T = 0x1f |
| }; |
| |
| /* POOL16A encoding of minor opcode field */ |
| |
| enum { |
| ADDU16 = 0x0, |
| SUBU16 = 0x1 |
| }; |
| |
| /* POOL16B encoding of minor opcode field */ |
| |
| enum { |
| SLL16 = 0x0, |
| SRL16 = 0x1 |
| }; |
| |
| /* POOL16C encoding of minor opcode field */ |
| |
| enum { |
| NOT16 = 0x00, |
| XOR16 = 0x04, |
| AND16 = 0x08, |
| OR16 = 0x0c, |
| LWM16 = 0x10, |
| SWM16 = 0x14, |
| JR16 = 0x18, |
| JRC16 = 0x1a, |
| JALR16 = 0x1c, |
| JALR16S = 0x1e, |
| MFHI16 = 0x20, |
| MFLO16 = 0x24, |
| BREAK16 = 0x28, |
| SDBBP16 = 0x2c, |
| JRADDIUSP = 0x30 |
| }; |
| |
| /* POOL16D encoding of minor opcode field */ |
| |
| enum { |
| ADDIUS5 = 0x0, |
| ADDIUSP = 0x1 |
| }; |
| |
| /* POOL16E encoding of minor opcode field */ |
| |
| enum { |
| ADDIUR2 = 0x0, |
| ADDIUR1SP = 0x1 |
| }; |
| |
| static int mmreg (int r) |
| { |
| static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; |
| |
| return map[r]; |
| } |
| |
| /* Used for 16-bit store instructions. */ |
| static int mmreg2 (int r) |
| { |
| static const int map[] = { 0, 17, 2, 3, 4, 5, 6, 7 }; |
| |
| return map[r]; |
| } |
| |
| #define uMIPS_RD(op) ((op >> 7) & 0x7) |
| #define uMIPS_RS(op) ((op >> 4) & 0x7) |
| #define uMIPS_RS2(op) uMIPS_RS(op) |
| #define uMIPS_RS1(op) ((op >> 1) & 0x7) |
| #define uMIPS_RD5(op) ((op >> 5) & 0x1f) |
| #define uMIPS_RS5(op) (op & 0x1f) |
| |
| /* Signed immediate */ |
| #define SIMM(op, start, width) \ |
| ((int32_t)(((op >> start) & ((~0U) >> (32-width))) \ |
| << (32-width)) \ |
| >> (32-width)) |
| /* Zero-extended immediate */ |
| #define ZIMM(op, start, width) ((op >> start) & ((~0U) >> (32-width))) |
| |
| static void gen_addiur1sp (CPUState *env, DisasContext *ctx) |
| { |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rd, 29, ((ctx->opcode >> 1) & 0x3f) << 2); |
| } |
| |
| static void gen_addiur2 (CPUState *env, DisasContext *ctx) |
| { |
| static const int decoded_imm[] = { 1, 4, 8, 12, 16, 20, 24, -1 }; |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rs = mmreg(uMIPS_RS(ctx->opcode)); |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, decoded_imm[ZIMM(ctx->opcode, 1, 3)]); |
| } |
| |
| static void gen_addiusp (CPUState *env, DisasContext *ctx) |
| { |
| int encoded = ZIMM(ctx->opcode, 1, 9); |
| int decoded; |
| |
| if (encoded <= 1) { |
| decoded = 256 + encoded; |
| } else if (encoded <= 255) { |
| decoded = encoded; |
| } else if (encoded <= 509) { |
| decoded = encoded - 512; |
| } else { |
| decoded = encoded - 768; |
| } |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, decoded << 2); |
| } |
| |
| static void gen_addius5 (CPUState *env, DisasContext *ctx) |
| { |
| int imm = SIMM(ctx->opcode, 1, 4); |
| int rd = (ctx->opcode >> 5) & 0x1f; |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rd, rd, imm); |
| } |
| |
| static void gen_andi16 (CPUState *env, DisasContext *ctx) |
| { |
| static const int decoded_imm[] = { 128, 1, 2, 3, 4, 7, 8, 15, 16, |
| 31, 32, 63, 64, 255, 32768, 65535 }; |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rs = mmreg(uMIPS_RS(ctx->opcode)); |
| int encoded = ZIMM(ctx->opcode, 0, 4); |
| |
| gen_logic_imm(env, OPC_ANDI, rd, rs, decoded_imm[encoded]); |
| } |
| |
| static void gen_ldst_multiple (DisasContext *ctx, uint32_t opc, int reglist, |
| int base, int16_t offset) |
| { |
| TCGv t0, t1; |
| TCGv_i32 t2; |
| |
| if (ctx->hflags & MIPS_HFLAG_BMASK) { |
| generate_exception(ctx, EXCP_RI); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| |
| gen_base_offset_addr(ctx, t0, base, offset); |
| |
| t1 = tcg_const_tl(reglist); |
| t2 = tcg_const_i32(ctx->mem_idx); |
| |
| save_cpu_state(ctx, 1); |
| switch (opc) { |
| case LWM32: |
| gen_helper_lwm(t0, t1, t2); |
| break; |
| case SWM32: |
| gen_helper_swm(t0, t1, t2); |
| break; |
| #ifdef TARGET_MIPS64 |
| case LDM: |
| gen_helper_ldm(t0, t1, t2); |
| break; |
| case SDM: |
| gen_helper_sdm(t0, t1, t2); |
| break; |
| #endif |
| } |
| MIPS_DEBUG("%s, %x, %d(%s)", opn, reglist, offset, regnames[base]); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| tcg_temp_free_i32(t2); |
| } |
| |
| |
| static void gen_pool16c_insn (CPUState *env, DisasContext *ctx, int *is_branch) |
| { |
| int rd = mmreg((ctx->opcode >> 3) & 0x7); |
| int rs = mmreg(ctx->opcode & 0x7); |
| int opc; |
| |
| switch (((ctx->opcode) >> 4) & 0x3f) { |
| case NOT16 + 0: |
| case NOT16 + 1: |
| case NOT16 + 2: |
| case NOT16 + 3: |
| gen_logic(env, OPC_NOR, rd, rs, 0); |
| break; |
| case XOR16 + 0: |
| case XOR16 + 1: |
| case XOR16 + 2: |
| case XOR16 + 3: |
| gen_logic(env, OPC_XOR, rd, rd, rs); |
| break; |
| case AND16 + 0: |
| case AND16 + 1: |
| case AND16 + 2: |
| case AND16 + 3: |
| gen_logic(env, OPC_AND, rd, rd, rs); |
| break; |
| case OR16 + 0: |
| case OR16 + 1: |
| case OR16 + 2: |
| case OR16 + 3: |
| gen_logic(env, OPC_OR, rd, rd, rs); |
| break; |
| case LWM16 + 0: |
| case LWM16 + 1: |
| case LWM16 + 2: |
| case LWM16 + 3: |
| { |
| static const int lwm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; |
| int offset = ZIMM(ctx->opcode, 0, 4); |
| |
| gen_ldst_multiple(ctx, LWM32, lwm_convert[(ctx->opcode >> 4) & 0x3], |
| 29, offset << 2); |
| } |
| break; |
| case SWM16 + 0: |
| case SWM16 + 1: |
| case SWM16 + 2: |
| case SWM16 + 3: |
| { |
| static const int swm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; |
| int offset = ZIMM(ctx->opcode, 0, 4); |
| |
| gen_ldst_multiple(ctx, SWM32, swm_convert[(ctx->opcode >> 4) & 0x3], |
| 29, offset << 2); |
| } |
| break; |
| case JR16 + 0: |
| case JR16 + 1: |
| { |
| int reg = ctx->opcode & 0x1f; |
| |
| gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); |
| } |
| *is_branch = 1; |
| break; |
| case JRC16 + 0: |
| case JRC16 + 1: |
| { |
| int reg = ctx->opcode & 0x1f; |
| |
| gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); |
| /* Let normal delay slot handling in our caller take us |
| to the branch target. */ |
| } |
| break; |
| case JALR16 + 0: |
| case JALR16 + 1: |
| opc = OPC_JALR; |
| goto do_jalr; |
| case JALR16S + 0: |
| case JALR16S + 1: |
| opc = OPC_JALRS; |
| do_jalr: |
| { |
| int reg = ctx->opcode & 0x1f; |
| |
| gen_compute_branch(ctx, opc, 2, reg, 31, 0); |
| } |
| *is_branch = 1; |
| break; |
| case MFHI16 + 0: |
| case MFHI16 + 1: |
| gen_HILO(ctx, OPC_MFHI, uMIPS_RS5(ctx->opcode)); |
| break; |
| case MFLO16 + 0: |
| case MFLO16 + 1: |
| gen_HILO(ctx, OPC_MFLO, uMIPS_RS5(ctx->opcode)); |
| break; |
| case BREAK16: |
| generate_exception(ctx, EXCP_BREAK); |
| break; |
| case SDBBP16: |
| /* 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); |
| } |
| break; |
| case JRADDIUSP + 0: |
| case JRADDIUSP + 1: |
| { |
| int imm = ZIMM(ctx->opcode, 0, 5); |
| |
| gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0); |
| gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm << 2); |
| /* Let normal delay slot handling in our caller take us |
| to the branch target. */ |
| } |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| } |
| |
| static void gen_ldxs (DisasContext *ctx, int base, int index, int rd) |
| { |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| |
| gen_load_gpr(t0, base); |
| |
| if (index != 0) { |
| gen_load_gpr(t1, index); |
| tcg_gen_shli_tl(t1, t1, 2); |
| gen_op_addr_add(ctx, t0, t1, t0); |
| } |
| |
| save_cpu_state(ctx, 0); |
| op_ld_lw(t1, t0, ctx); |
| gen_store_gpr(t1, rd); |
| |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd, |
| int base, int16_t offset) |
| { |
| const char *opn = "ldst_pair"; |
| TCGv t0, t1; |
| |
| if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31 || rd == base) { |
| generate_exception(ctx, EXCP_RI); |
| return; |
| } |
| |
| t0 = tcg_temp_new(); |
| t1 = tcg_temp_new(); |
| |
| gen_base_offset_addr(ctx, t0, base, offset); |
| |
| switch (opc) { |
| case LWP: |
| save_cpu_state(ctx, 0); |
| op_ld_lw(t1, t0, ctx); |
| gen_store_gpr(t1, rd); |
| tcg_gen_movi_tl(t1, 4); |
| gen_op_addr_add(ctx, t0, t0, t1); |
| op_ld_lw(t1, t0, ctx); |
| gen_store_gpr(t1, rd+1); |
| opn = "lwp"; |
| break; |
| case SWP: |
| save_cpu_state(ctx, 0); |
| gen_load_gpr(t1, rd); |
| op_st_sw(t1, t0, ctx); |
| tcg_gen_movi_tl(t1, 4); |
| gen_op_addr_add(ctx, t0, t0, t1); |
| gen_load_gpr(t1, rd+1); |
| op_st_sw(t1, t0, ctx); |
| opn = "swp"; |
| break; |
| #ifdef TARGET_MIPS64 |
| case LDP: |
| save_cpu_state(ctx, 0); |
| op_ld_ld(t1, t0, ctx); |
| gen_store_gpr(t1, rd); |
| tcg_gen_movi_tl(t1, 8); |
| gen_op_addr_add(ctx, t0, t0, t1); |
| op_ld_ld(t1, t0, ctx); |
| gen_store_gpr(t1, rd+1); |
| opn = "ldp"; |
| break; |
| case SDP: |
| save_cpu_state(ctx, 0); |
| gen_load_gpr(t1, rd); |
| op_st_sd(t1, t0, ctx); |
| tcg_gen_movi_tl(t1, 8); |
| gen_op_addr_add(ctx, t0, t0, t1); |
| gen_load_gpr(t1, rd+1); |
| op_st_sd(t1, t0, ctx); |
| opn = "sdp"; |
| break; |
| #endif |
| } |
| (void)opn; /* avoid a compiler warning */ |
| MIPS_DEBUG("%s, %s, %d(%s)", opn, regnames[rd], offset, regnames[base]); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| |
| static void gen_pool32axf (CPUState *env, DisasContext *ctx, int rt, int rs, |
| int *is_branch) |
| { |
| int extension = (ctx->opcode >> 6) & 0x3f; |
| int minor = (ctx->opcode >> 12) & 0xf; |
| uint32_t mips32_op; |
| |
| switch (extension) { |
| case TEQ: |
| mips32_op = OPC_TEQ; |
| goto do_trap; |
| case TGE: |
| mips32_op = OPC_TGE; |
| goto do_trap; |
| case TGEU: |
| mips32_op = OPC_TGEU; |
| goto do_trap; |
| case TLT: |
| mips32_op = OPC_TLT; |
| goto do_trap; |
| case TLTU: |
| mips32_op = OPC_TLTU; |
| goto do_trap; |
| case TNE: |
| mips32_op = OPC_TNE; |
| do_trap: |
| gen_trap(ctx, mips32_op, rs, rt, -1); |
| break; |
| #ifndef CONFIG_USER_ONLY |
| case MFC0: |
| case MFC0 + 32: |
| if (rt == 0) { |
| /* Treat as NOP. */ |
| break; |
| } |
| gen_mfc0(env, ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7); |
| break; |
| case MTC0: |
| case MTC0 + 32: |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| gen_load_gpr(t0, rt); |
| gen_mtc0(env, ctx, t0, rs, (ctx->opcode >> 11) & 0x7); |
| tcg_temp_free(t0); |
| } |
| break; |
| #endif |
| case 0x2c: |
| switch (minor) { |
| case SEB: |
| gen_bshfl(ctx, OPC_SEB, rs, rt); |
| break; |
| case SEH: |
| gen_bshfl(ctx, OPC_SEH, rs, rt); |
| break; |
| case CLO: |
| mips32_op = OPC_CLO; |
| goto do_cl; |
| case CLZ: |
| mips32_op = OPC_CLZ; |
| do_cl: |
| check_insn(env, ctx, ISA_MIPS32); |
| gen_cl(ctx, mips32_op, rt, rs); |
| break; |
| case RDHWR: |
| gen_rdhwr(env, ctx, rt, rs); |
| break; |
| case WSBH: |
| gen_bshfl(ctx, OPC_WSBH, rs, rt); |
| break; |
| case MULT: |
| mips32_op = OPC_MULT; |
| goto do_muldiv; |
| case MULTU: |
| mips32_op = OPC_MULTU; |
| goto do_muldiv; |
| case DIV: |
| mips32_op = OPC_DIV; |
| goto do_muldiv; |
| case DIVU: |
| mips32_op = OPC_DIVU; |
| goto do_muldiv; |
| case MADD: |
| mips32_op = OPC_MADD; |
| goto do_muldiv; |
| case MADDU: |
| mips32_op = OPC_MADDU; |
| goto do_muldiv; |
| case MSUB: |
| mips32_op = OPC_MSUB; |
| goto do_muldiv; |
| case MSUBU: |
| mips32_op = OPC_MSUBU; |
| do_muldiv: |
| check_insn(env, ctx, ISA_MIPS32); |
| gen_muldiv(ctx, mips32_op, rs, rt); |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| case 0x34: |
| switch (minor) { |
| case MFC2: |
| case MTC2: |
| case MFHC2: |
| case MTHC2: |
| case CFC2: |
| case CTC2: |
| generate_exception_err(ctx, EXCP_CpU, 2); |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| case 0x3c: |
| switch (minor) { |
| case JALR: |
| case JALR_HB: |
| gen_compute_branch (ctx, OPC_JALR, 4, rs, rt, 0); |
| *is_branch = 1; |
| break; |
| case JALRS: |
| case JALRS_HB: |
| gen_compute_branch (ctx, OPC_JALRS, 4, rs, rt, 0); |
| *is_branch = 1; |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| case 0x05: |
| switch (minor) { |
| case RDPGPR: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_load_srsgpr(rt, rs); |
| break; |
| case WRPGPR: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_store_srsgpr(rt, rs); |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| #ifndef CONFIG_USER_ONLY |
| case 0x0d: |
| switch (minor) { |
| case TLBP: |
| mips32_op = OPC_TLBP; |
| goto do_cp0; |
| case TLBR: |
| mips32_op = OPC_TLBR; |
| goto do_cp0; |
| case TLBWI: |
| mips32_op = OPC_TLBWI; |
| goto do_cp0; |
| case TLBWR: |
| mips32_op = OPC_TLBWR; |
| goto do_cp0; |
| case WAIT: |
| mips32_op = OPC_WAIT; |
| goto do_cp0; |
| case DERET: |
| mips32_op = OPC_DERET; |
| goto do_cp0; |
| case ERET: |
| mips32_op = OPC_ERET; |
| do_cp0: |
| gen_cp0(env, ctx, mips32_op, rt, rs); |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| case 0x1d: |
| switch (minor) { |
| case DI: |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| save_cpu_state(ctx, 1); |
| gen_helper_di(t0); |
| gen_store_gpr(t0, rs); |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| tcg_temp_free(t0); |
| } |
| break; |
| case EI: |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| save_cpu_state(ctx, 1); |
| gen_helper_ei(t0); |
| gen_store_gpr(t0, rs); |
| /* Stop translation as we may have switched the execution mode */ |
| ctx->bstate = BS_STOP; |
| tcg_temp_free(t0); |
| } |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| #endif |
| case 0x2d: |
| switch (minor) { |
| case SYNC: |
| /* NOP */ |
| break; |
| case SYSCALL: |
| generate_exception(ctx, EXCP_SYSCALL); |
| ctx->bstate = BS_STOP; |
| break; |
| case SDBBP: |
| check_insn(env, ctx, ISA_MIPS32); |
| if (!(ctx->hflags & MIPS_HFLAG_DM)) { |
| generate_exception(ctx, EXCP_DBp); |
| } else { |
| generate_exception(ctx, EXCP_DBp); |
| } |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| case 0x35: |
| switch (minor) { |
| case MFHI32: |
| gen_HILO(ctx, OPC_MFHI, rs); |
| break; |
| case MFLO32: |
| gen_HILO(ctx, OPC_MFLO, rs); |
| break; |
| case MTHI32: |
| gen_HILO(ctx, OPC_MTHI, rs); |
| break; |
| case MTLO32: |
| gen_HILO(ctx, OPC_MTLO, rs); |
| break; |
| default: |
| goto pool32axf_invalid; |
| } |
| break; |
| default: |
| pool32axf_invalid: |
| MIPS_INVAL("pool32axf"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| } |
| |
| /* Values for microMIPS fmt field. Variable-width, depending on which |
| formats the instruction supports. */ |
| |
| enum { |
| FMT_SD_S = 0, |
| FMT_SD_D = 1, |
| |
| FMT_SDPS_S = 0, |
| FMT_SDPS_D = 1, |
| FMT_SDPS_PS = 2, |
| |
| FMT_SWL_S = 0, |
| FMT_SWL_W = 1, |
| FMT_SWL_L = 2, |
| |
| FMT_DWL_D = 0, |
| FMT_DWL_W = 1, |
| FMT_DWL_L = 2 |
| }; |
| |
| static void gen_pool32fxf (CPUState *env, DisasContext *ctx, int rt, int rs) |
| { |
| int extension = (ctx->opcode >> 6) & 0x3ff; |
| uint32_t mips32_op; |
| |
| #define FLOAT_1BIT_FMT(opc, fmt) (fmt << 8) | opc |
| #define FLOAT_2BIT_FMT(opc, fmt) (fmt << 7) | opc |
| #define COND_FLOAT_MOV(opc, cond) (cond << 7) | opc |
| |
| switch (extension) { |
| case FLOAT_1BIT_FMT(CFC1, 0): |
| mips32_op = OPC_CFC1; |
| goto do_cp1; |
| case FLOAT_1BIT_FMT(CTC1, 0): |
| mips32_op = OPC_CTC1; |
| goto do_cp1; |
| case FLOAT_1BIT_FMT(MFC1, 0): |
| mips32_op = OPC_MFC1; |
| goto do_cp1; |
| case FLOAT_1BIT_FMT(MTC1, 0): |
| mips32_op = OPC_MTC1; |
| goto do_cp1; |
| case FLOAT_1BIT_FMT(MFHC1, 0): |
| mips32_op = OPC_MFHC1; |
| goto do_cp1; |
| case FLOAT_1BIT_FMT(MTHC1, 0): |
| mips32_op = OPC_MTHC1; |
| do_cp1: |
| gen_cp1(ctx, mips32_op, rt, rs); |
| break; |
| |
| /* Reciprocal square root */ |
| case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_S): |
| mips32_op = OPC_RSQRT_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_D): |
| mips32_op = OPC_RSQRT_D; |
| goto do_unaryfp; |
| |
| /* Square root */ |
| case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_S): |
| mips32_op = OPC_SQRT_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_D): |
| mips32_op = OPC_SQRT_D; |
| goto do_unaryfp; |
| |
| /* Reciprocal */ |
| case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_S): |
| mips32_op = OPC_RECIP_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_D): |
| mips32_op = OPC_RECIP_D; |
| goto do_unaryfp; |
| |
| /* Floor */ |
| case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_S): |
| mips32_op = OPC_FLOOR_L_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_D): |
| mips32_op = OPC_FLOOR_L_D; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_S): |
| mips32_op = OPC_FLOOR_W_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_D): |
| mips32_op = OPC_FLOOR_W_D; |
| goto do_unaryfp; |
| |
| /* Ceiling */ |
| case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_S): |
| mips32_op = OPC_CEIL_L_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_D): |
| mips32_op = OPC_CEIL_L_D; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_S): |
| mips32_op = OPC_CEIL_W_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_D): |
| mips32_op = OPC_CEIL_W_D; |
| goto do_unaryfp; |
| |
| /* Truncation */ |
| case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_S): |
| mips32_op = OPC_TRUNC_L_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_D): |
| mips32_op = OPC_TRUNC_L_D; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_S): |
| mips32_op = OPC_TRUNC_W_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_D): |
| mips32_op = OPC_TRUNC_W_D; |
| goto do_unaryfp; |
| |
| /* Round */ |
| case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_S): |
| mips32_op = OPC_ROUND_L_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_D): |
| mips32_op = OPC_ROUND_L_D; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_S): |
| mips32_op = OPC_ROUND_W_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_D): |
| mips32_op = OPC_ROUND_W_D; |
| goto do_unaryfp; |
| |
| /* Integer to floating-point conversion */ |
| case FLOAT_1BIT_FMT(CVT_L, FMT_SD_S): |
| mips32_op = OPC_CVT_L_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CVT_L, FMT_SD_D): |
| mips32_op = OPC_CVT_L_D; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CVT_W, FMT_SD_S): |
| mips32_op = OPC_CVT_W_S; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CVT_W, FMT_SD_D): |
| mips32_op = OPC_CVT_W_D; |
| goto do_unaryfp; |
| |
| /* Paired-foo conversions */ |
| case FLOAT_1BIT_FMT(CVT_S_PL, 0): |
| mips32_op = OPC_CVT_S_PL; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CVT_S_PU, 0): |
| mips32_op = OPC_CVT_S_PU; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CVT_PW_PS, 0): |
| mips32_op = OPC_CVT_PW_PS; |
| goto do_unaryfp; |
| case FLOAT_1BIT_FMT(CVT_PS_PW, 0): |
| mips32_op = OPC_CVT_PS_PW; |
| goto do_unaryfp; |
| |
| /* Floating-point moves */ |
| case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_S): |
| mips32_op = OPC_MOV_S; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_D): |
| mips32_op = OPC_MOV_D; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_PS): |
| mips32_op = OPC_MOV_PS; |
| goto do_unaryfp; |
| |
| /* Absolute value */ |
| case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_S): |
| mips32_op = OPC_ABS_S; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_D): |
| mips32_op = OPC_ABS_D; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_PS): |
| mips32_op = OPC_ABS_PS; |
| goto do_unaryfp; |
| |
| /* Negation */ |
| case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_S): |
| mips32_op = OPC_NEG_S; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_D): |
| mips32_op = OPC_NEG_D; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_PS): |
| mips32_op = OPC_NEG_PS; |
| goto do_unaryfp; |
| |
| /* Reciprocal square root step */ |
| case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_S): |
| mips32_op = OPC_RSQRT1_S; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_D): |
| mips32_op = OPC_RSQRT1_D; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_PS): |
| mips32_op = OPC_RSQRT1_PS; |
| goto do_unaryfp; |
| |
| /* Reciprocal step */ |
| case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_S): |
| mips32_op = OPC_RECIP1_S; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_D): |
| mips32_op = OPC_RECIP1_S; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_PS): |
| mips32_op = OPC_RECIP1_PS; |
| goto do_unaryfp; |
| |
| /* Conversions from double */ |
| case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_S): |
| mips32_op = OPC_CVT_D_S; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_W): |
| mips32_op = OPC_CVT_D_W; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_L): |
| mips32_op = OPC_CVT_D_L; |
| goto do_unaryfp; |
| |
| /* Conversions from single */ |
| case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_D): |
| mips32_op = OPC_CVT_S_D; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_W): |
| mips32_op = OPC_CVT_S_W; |
| goto do_unaryfp; |
| case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_L): |
| mips32_op = OPC_CVT_S_L; |
| do_unaryfp: |
| gen_farith(ctx, mips32_op, -1, rs, rt, 0); |
| break; |
| |
| /* Conditional moves on floating-point codes */ |
| case COND_FLOAT_MOV(MOVT, 0): |
| case COND_FLOAT_MOV(MOVT, 1): |
| case COND_FLOAT_MOV(MOVT, 2): |
| case COND_FLOAT_MOV(MOVT, 3): |
| case COND_FLOAT_MOV(MOVT, 4): |
| case COND_FLOAT_MOV(MOVT, 5): |
| case COND_FLOAT_MOV(MOVT, 6): |
| case COND_FLOAT_MOV(MOVT, 7): |
| gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 1); |
| break; |
| case COND_FLOAT_MOV(MOVF, 0): |
| case COND_FLOAT_MOV(MOVF, 1): |
| case COND_FLOAT_MOV(MOVF, 2): |
| case COND_FLOAT_MOV(MOVF, 3): |
| case COND_FLOAT_MOV(MOVF, 4): |
| case COND_FLOAT_MOV(MOVF, 5): |
| case COND_FLOAT_MOV(MOVF, 6): |
| case COND_FLOAT_MOV(MOVF, 7): |
| gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 0); |
| break; |
| default: |
| MIPS_INVAL("pool32fxf"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| } |
| |
| static void decode_micromips32_opc (CPUState *env, DisasContext *ctx, |
| uint16_t insn_hw1, int *is_branch) |
| { |
| int32_t offset; |
| uint16_t insn; |
| int rt, rs, rd, rr; |
| int16_t imm; |
| uint32_t op, minor, mips32_op; |
| uint32_t cond, fmt, cc; |
| |
| insn = lduw_code(ctx->pc + 2); |
| ctx->opcode = (ctx->opcode << 16) | insn; |
| |
| rt = (ctx->opcode >> 21) & 0x1f; |
| rs = (ctx->opcode >> 16) & 0x1f; |
| rd = (ctx->opcode >> 11) & 0x1f; |
| rr = (ctx->opcode >> 6) & 0x1f; |
| imm = (int16_t) ctx->opcode; |
| |
| op = (ctx->opcode >> 26) & 0x3f; |
| switch (op) { |
| case POOL32A: |
| minor = ctx->opcode & 0x3f; |
| switch (minor) { |
| case 0x00: |
| minor = (ctx->opcode >> 6) & 0xf; |
| switch (minor) { |
| case SLL32: |
| mips32_op = OPC_SLL; |
| goto do_shifti; |
| case SRA: |
| mips32_op = OPC_SRA; |
| goto do_shifti; |
| case SRL32: |
| mips32_op = OPC_SRL; |
| goto do_shifti; |
| case ROTR: |
| mips32_op = OPC_ROTR; |
| do_shifti: |
| gen_shift_imm(env, ctx, mips32_op, rt, rs, rd); |
| break; |
| default: |
| goto pool32a_invalid; |
| } |
| break; |
| case 0x10: |
| minor = (ctx->opcode >> 6) & 0xf; |
| switch (minor) { |
| /* Arithmetic */ |
| case ADD: |
| mips32_op = OPC_ADD; |
| goto do_arith; |
| case ADDU32: |
| mips32_op = OPC_ADDU; |
| goto do_arith; |
| case SUB: |
| mips32_op = OPC_SUB; |
| goto do_arith; |
| case SUBU32: |
| mips32_op = OPC_SUBU; |
| goto do_arith; |
| case MUL: |
| mips32_op = OPC_MUL; |
| do_arith: |
| gen_arith(env, ctx, mips32_op, rd, rs, rt); |
| break; |
| /* Shifts */ |
| case SLLV: |
| mips32_op = OPC_SLLV; |
| goto do_shift; |
| case SRLV: |
| mips32_op = OPC_SRLV; |
| goto do_shift; |
| case SRAV: |
| mips32_op = OPC_SRAV; |
| goto do_shift; |
| case ROTRV: |
| mips32_op = OPC_ROTRV; |
| do_shift: |
| gen_shift(env, ctx, mips32_op, rd, rs, rt); |
| break; |
| /* Logical operations */ |
| case AND: |
| mips32_op = OPC_AND; |
| goto do_logic; |
| case OR32: |
| mips32_op = OPC_OR; |
| goto do_logic; |
| case NOR: |
| mips32_op = OPC_NOR; |
| goto do_logic; |
| case XOR32: |
| mips32_op = OPC_XOR; |
| do_logic: |
| gen_logic(env, mips32_op, rd, rs, rt); |
| break; |
| /* Set less than */ |
| case SLT: |
| mips32_op = OPC_SLT; |
| goto do_slt; |
| case SLTU: |
| mips32_op = OPC_SLTU; |
| do_slt: |
| gen_slt(env, mips32_op, rd, rs, rt); |
| break; |
| default: |
| goto pool32a_invalid; |
| } |
| break; |
| case 0x18: |
| minor = (ctx->opcode >> 6) & 0xf; |
| switch (minor) { |
| /* Conditional moves */ |
| case MOVN: |
| mips32_op = OPC_MOVN; |
| goto do_cmov; |
| case MOVZ: |
| mips32_op = OPC_MOVZ; |
| do_cmov: |
| gen_cond_move(env, mips32_op, rd, rs, rt); |
| break; |
| case LWXS: |
| gen_ldxs(ctx, rs, rt, rd); |
| break; |
| default: |
| goto pool32a_invalid; |
| } |
| break; |
| case INS: |
| gen_bitops(ctx, OPC_INS, rt, rs, rr, rd); |
| return; |
| case EXT: |
| gen_bitops(ctx, OPC_EXT, rt, rs, rr, rd); |
| return; |
| case POOL32AXF: |
| gen_pool32axf(env, ctx, rt, rs, is_branch); |
| break; |
| case 0x07: |
| generate_exception(ctx, EXCP_BREAK); |
| break; |
| default: |
| pool32a_invalid: |
| MIPS_INVAL("pool32a"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case POOL32B: |
| minor = (ctx->opcode >> 12) & 0xf; |
| switch (minor) { |
| case CACHE: |
| /* Treat as no-op. */ |
| break; |
| case LWC2: |
| case SWC2: |
| /* COP2: Not implemented. */ |
| generate_exception_err(ctx, EXCP_CpU, 2); |
| break; |
| case LWP: |
| case SWP: |
| #ifdef TARGET_MIPS64 |
| case LDP: |
| case SDP: |
| #endif |
| gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); |
| break; |
| case LWM32: |
| case SWM32: |
| #ifdef TARGET_MIPS64 |
| case LDM: |
| case SDM: |
| #endif |
| gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); |
| break; |
| default: |
| MIPS_INVAL("pool32b"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case POOL32F: |
| if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| minor = ctx->opcode & 0x3f; |
| check_cp1_enabled(ctx); |
| switch (minor) { |
| case ALNV_PS: |
| mips32_op = OPC_ALNV_PS; |
| goto do_madd; |
| case MADD_S: |
| mips32_op = OPC_MADD_S; |
| goto do_madd; |
| case MADD_D: |
| mips32_op = OPC_MADD_D; |
| goto do_madd; |
| case MADD_PS: |
| mips32_op = OPC_MADD_PS; |
| goto do_madd; |
| case MSUB_S: |
| mips32_op = OPC_MSUB_S; |
| goto do_madd; |
| case MSUB_D: |
| mips32_op = OPC_MSUB_D; |
| goto do_madd; |
| case MSUB_PS: |
| mips32_op = OPC_MSUB_PS; |
| goto do_madd; |
| case NMADD_S: |
| mips32_op = OPC_NMADD_S; |
| goto do_madd; |
| case NMADD_D: |
| mips32_op = OPC_NMADD_D; |
| goto do_madd; |
| case NMADD_PS: |
| mips32_op = OPC_NMADD_PS; |
| goto do_madd; |
| case NMSUB_S: |
| mips32_op = OPC_NMSUB_S; |
| goto do_madd; |
| case NMSUB_D: |
| mips32_op = OPC_NMSUB_D; |
| goto do_madd; |
| case NMSUB_PS: |
| mips32_op = OPC_NMSUB_PS; |
| do_madd: |
| gen_flt3_arith(ctx, mips32_op, rd, rr, rs, rt); |
| break; |
| case CABS_COND_FMT: |
| cond = (ctx->opcode >> 6) & 0xf; |
| cc = (ctx->opcode >> 13) & 0x7; |
| fmt = (ctx->opcode >> 10) & 0x3; |
| switch (fmt) { |
| case 0x0: |
| gen_cmpabs_s(ctx, cond, rt, rs, cc); |
| break; |
| case 0x1: |
| gen_cmpabs_d(ctx, cond, rt, rs, cc); |
| break; |
| case 0x2: |
| gen_cmpabs_ps(ctx, cond, rt, rs, cc); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case C_COND_FMT: |
| cond = (ctx->opcode >> 6) & 0xf; |
| cc = (ctx->opcode >> 13) & 0x7; |
| fmt = (ctx->opcode >> 10) & 0x3; |
| switch (fmt) { |
| case 0x0: |
| gen_cmp_s(ctx, cond, rt, rs, cc); |
| break; |
| case 0x1: |
| gen_cmp_d(ctx, cond, rt, rs, cc); |
| break; |
| case 0x2: |
| gen_cmp_ps(ctx, cond, rt, rs, cc); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case POOL32FXF: |
| gen_pool32fxf(env, ctx, rt, rs); |
| break; |
| case 0x00: |
| /* PLL foo */ |
| switch ((ctx->opcode >> 6) & 0x7) { |
| case PLL_PS: |
| mips32_op = OPC_PLL_PS; |
| goto do_ps; |
| case PLU_PS: |
| mips32_op = OPC_PLU_PS; |
| goto do_ps; |
| case PUL_PS: |
| mips32_op = OPC_PUL_PS; |
| goto do_ps; |
| case PUU_PS: |
| mips32_op = OPC_PUU_PS; |
| goto do_ps; |
| case CVT_PS_S: |
| mips32_op = OPC_CVT_PS_S; |
| do_ps: |
| gen_farith(ctx, mips32_op, rt, rs, rd, 0); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case 0x08: |
| /* [LS][WDU]XC1 */ |
| switch ((ctx->opcode >> 6) & 0x7) { |
| case LWXC1: |
| mips32_op = OPC_LWXC1; |
| goto do_ldst_cp1; |
| case SWXC1: |
| mips32_op = OPC_SWXC1; |
| goto do_ldst_cp1; |
| case LDXC1: |
| mips32_op = OPC_LDXC1; |
| goto do_ldst_cp1; |
| case SDXC1: |
| mips32_op = OPC_SDXC1; |
| goto do_ldst_cp1; |
| case LUXC1: |
| mips32_op = OPC_LUXC1; |
| goto do_ldst_cp1; |
| case SUXC1: |
| mips32_op = OPC_SUXC1; |
| do_ldst_cp1: |
| gen_flt3_ldst(ctx, mips32_op, rd, rd, rt, rs); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case 0x18: |
| /* 3D insns */ |
| fmt = (ctx->opcode >> 9) & 0x3; |
| switch ((ctx->opcode >> 6) & 0x7) { |
| case RSQRT2_FMT: |
| switch (fmt) { |
| case FMT_SDPS_S: |
| mips32_op = OPC_RSQRT2_S; |
| goto do_3d; |
| case FMT_SDPS_D: |
| mips32_op = OPC_RSQRT2_D; |
| goto do_3d; |
| case FMT_SDPS_PS: |
| mips32_op = OPC_RSQRT2_PS; |
| goto do_3d; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case RECIP2_FMT: |
| switch (fmt) { |
| case FMT_SDPS_S: |
| mips32_op = OPC_RECIP2_S; |
| goto do_3d; |
| case FMT_SDPS_D: |
| mips32_op = OPC_RECIP2_D; |
| goto do_3d; |
| case FMT_SDPS_PS: |
| mips32_op = OPC_RECIP2_PS; |
| goto do_3d; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case ADDR_PS: |
| mips32_op = OPC_ADDR_PS; |
| goto do_3d; |
| case MULR_PS: |
| mips32_op = OPC_MULR_PS; |
| do_3d: |
| gen_farith(ctx, mips32_op, rt, rs, rd, 0); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case 0x20: |
| /* MOV[FT].fmt and PREFX */ |
| cc = (ctx->opcode >> 13) & 0x7; |
| fmt = (ctx->opcode >> 9) & 0x3; |
| switch ((ctx->opcode >> 6) & 0x7) { |
| case MOVF_FMT: |
| switch (fmt) { |
| case FMT_SDPS_S: |
| gen_movcf_s(rs, rt, cc, 0); |
| break; |
| case FMT_SDPS_D: |
| gen_movcf_d(ctx, rs, rt, cc, 0); |
| break; |
| case FMT_SDPS_PS: |
| gen_movcf_ps(rs, rt, cc, 0); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case MOVT_FMT: |
| switch (fmt) { |
| case FMT_SDPS_S: |
| gen_movcf_s(rs, rt, cc, 1); |
| break; |
| case FMT_SDPS_D: |
| gen_movcf_d(ctx, rs, rt, cc, 1); |
| break; |
| case FMT_SDPS_PS: |
| gen_movcf_ps(rs, rt, cc, 1); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case PREFX: |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| #define FINSN_3ARG_SDPS(prfx) \ |
| switch ((ctx->opcode >> 8) & 0x3) { \ |
| case FMT_SDPS_S: \ |
| mips32_op = OPC_##prfx##_S; \ |
| goto do_fpop; \ |
| case FMT_SDPS_D: \ |
| mips32_op = OPC_##prfx##_D; \ |
| goto do_fpop; \ |
| case FMT_SDPS_PS: \ |
| mips32_op = OPC_##prfx##_PS; \ |
| goto do_fpop; \ |
| default: \ |
| goto pool32f_invalid; \ |
| } |
| case 0x30: |
| /* regular FP ops */ |
| switch ((ctx->opcode >> 6) & 0x3) { |
| case ADD_FMT: |
| FINSN_3ARG_SDPS(ADD); |
| break; |
| case SUB_FMT: |
| FINSN_3ARG_SDPS(SUB); |
| break; |
| case MUL_FMT: |
| FINSN_3ARG_SDPS(MUL); |
| break; |
| case DIV_FMT: |
| fmt = (ctx->opcode >> 8) & 0x3; |
| if (fmt == 1) { |
| mips32_op = OPC_DIV_D; |
| } else if (fmt == 0) { |
| mips32_op = OPC_DIV_S; |
| } else { |
| goto pool32f_invalid; |
| } |
| goto do_fpop; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| case 0x38: |
| /* cmovs */ |
| switch ((ctx->opcode >> 6) & 0x3) { |
| case MOVN_FMT: |
| FINSN_3ARG_SDPS(MOVN); |
| break; |
| case MOVZ_FMT: |
| FINSN_3ARG_SDPS(MOVZ); |
| break; |
| default: |
| goto pool32f_invalid; |
| } |
| break; |
| do_fpop: |
| gen_farith(ctx, mips32_op, rt, rs, rd, 0); |
| break; |
| default: |
| pool32f_invalid: |
| MIPS_INVAL("pool32f"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| } else { |
| generate_exception_err(ctx, EXCP_CpU, 1); |
| } |
| break; |
| case POOL32I: |
| minor = (ctx->opcode >> 21) & 0x1f; |
| switch (minor) { |
| case BLTZ: |
| mips32_op = OPC_BLTZ; |
| goto do_branch; |
| case BLTZAL: |
| mips32_op = OPC_BLTZAL; |
| goto do_branch; |
| case BLTZALS: |
| mips32_op = OPC_BLTZALS; |
| goto do_branch; |
| case BGEZ: |
| mips32_op = OPC_BGEZ; |
| goto do_branch; |
| case BGEZAL: |
| mips32_op = OPC_BGEZAL; |
| goto do_branch; |
| case BGEZALS: |
| mips32_op = OPC_BGEZALS; |
| goto do_branch; |
| case BLEZ: |
| mips32_op = OPC_BLEZ; |
| goto do_branch; |
| case BGTZ: |
| mips32_op = OPC_BGTZ; |
| do_branch: |
| gen_compute_branch(ctx, mips32_op, 4, rs, -1, imm << 1); |
| *is_branch = 1; |
| break; |
| |
| /* Traps */ |
| case TLTI: |
| mips32_op = OPC_TLTI; |
| goto do_trapi; |
| case TGEI: |
| mips32_op = OPC_TGEI; |
| goto do_trapi; |
| case TLTIU: |
| mips32_op = OPC_TLTIU; |
| goto do_trapi; |
| case TGEIU: |
| mips32_op = OPC_TGEIU; |
| goto do_trapi; |
| case TNEI: |
| mips32_op = OPC_TNEI; |
| goto do_trapi; |
| case TEQI: |
| mips32_op = OPC_TEQI; |
| do_trapi: |
| gen_trap(ctx, mips32_op, rs, -1, imm); |
| break; |
| |
| case BNEZC: |
| case BEQZC: |
| gen_compute_branch(ctx, minor == BNEZC ? OPC_BNE : OPC_BEQ, |
| 4, rs, 0, imm << 1); |
| /* Compact branches don't have a delay slot, so just let |
| the normal delay slot handling take us to the branch |
| target. */ |
| break; |
| case LUI: |
| gen_logic_imm(env, OPC_LUI, rs, -1, imm); |
| break; |
| case SYNCI: |
| break; |
| case BC2F: |
| case BC2T: |
| /* COP2: Not implemented. */ |
| generate_exception_err(ctx, EXCP_CpU, 2); |
| break; |
| case BC1F: |
| mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1FANY2 : OPC_BC1F; |
| goto do_cp1branch; |
| case BC1T: |
| mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1TANY2 : OPC_BC1T; |
| goto do_cp1branch; |
| case BC1ANY4F: |
| mips32_op = OPC_BC1FANY4; |
| goto do_cp1mips3d; |
| case BC1ANY4T: |
| mips32_op = OPC_BC1TANY4; |
| do_cp1mips3d: |
| check_cop1x(ctx); |
| check_insn(env, ctx, ASE_MIPS3D); |
| /* Fall through */ |
| do_cp1branch: |
| gen_compute_branch1(env, ctx, mips32_op, |
| (ctx->opcode >> 18) & 0x7, imm << 1); |
| *is_branch = 1; |
| break; |
| case BPOSGE64: |
| case BPOSGE32: |
| /* MIPS DSP: not implemented */ |
| /* Fall through */ |
| default: |
| MIPS_INVAL("pool32i"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case POOL32C: |
| minor = (ctx->opcode >> 12) & 0xf; |
| switch (minor) { |
| case LWL: |
| mips32_op = OPC_LWL; |
| goto do_ld_lr; |
| case SWL: |
| mips32_op = OPC_SWL; |
| goto do_st_lr; |
| case LWR: |
| mips32_op = OPC_LWR; |
| goto do_ld_lr; |
| case SWR: |
| mips32_op = OPC_SWR; |
| goto do_st_lr; |
| #if defined(TARGET_MIPS64) |
| case LDL: |
| mips32_op = OPC_LDL; |
| goto do_ld_lr; |
| case SDL: |
| mips32_op = OPC_SDL; |
| goto do_st_lr; |
| case LDR: |
| mips32_op = OPC_LDR; |
| goto do_ld_lr; |
| case SDR: |
| mips32_op = OPC_SDR; |
| goto do_st_lr; |
| case LWU: |
| mips32_op = OPC_LWU; |
| goto do_ld_lr; |
| case LLD: |
| mips32_op = OPC_LLD; |
| goto do_ld_lr; |
| #endif |
| case LL: |
| mips32_op = OPC_LL; |
| goto do_ld_lr; |
| do_ld_lr: |
| gen_ld(env, ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); |
| break; |
| do_st_lr: |
| gen_st(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); |
| break; |
| case SC: |
| gen_st_cond(ctx, OPC_SC, rt, rs, SIMM(ctx->opcode, 0, 12)); |
| break; |
| #if defined(TARGET_MIPS64) |
| case SCD: |
| gen_st_cond(ctx, OPC_SCD, rt, rs, SIMM(ctx->opcode, 0, 12)); |
| break; |
| #endif |
| case PREF: |
| /* Treat as no-op */ |
| break; |
| default: |
| MIPS_INVAL("pool32c"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case ADDI32: |
| mips32_op = OPC_ADDI; |
| goto do_addi; |
| case ADDIU32: |
| mips32_op = OPC_ADDIU; |
| do_addi: |
| gen_arith_imm(env, ctx, mips32_op, rt, rs, imm); |
| break; |
| |
| /* Logical operations */ |
| case ORI32: |
| mips32_op = OPC_ORI; |
| goto do_logici; |
| case XORI32: |
| mips32_op = OPC_XORI; |
| goto do_logici; |
| case ANDI32: |
| mips32_op = OPC_ANDI; |
| do_logici: |
| gen_logic_imm(env, mips32_op, rt, rs, imm); |
| break; |
| |
| /* Set less than immediate */ |
| case SLTI32: |
| mips32_op = OPC_SLTI; |
| goto do_slti; |
| case SLTIU32: |
| mips32_op = OPC_SLTIU; |
| do_slti: |
| gen_slt_imm(env, mips32_op, rt, rs, imm); |
| break; |
| case JALX32: |
| offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
| gen_compute_branch(ctx, OPC_JALX, 4, rt, rs, offset); |
| *is_branch = 1; |
| break; |
| case JALS32: |
| offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 1; |
| gen_compute_branch(ctx, OPC_JALS, 4, rt, rs, offset); |
| *is_branch = 1; |
| break; |
| case BEQ32: |
| gen_compute_branch(ctx, OPC_BEQ, 4, rt, rs, imm << 1); |
| *is_branch = 1; |
| break; |
| case BNE32: |
| gen_compute_branch(ctx, OPC_BNE, 4, rt, rs, imm << 1); |
| *is_branch = 1; |
| break; |
| case J32: |
| gen_compute_branch(ctx, OPC_J, 4, rt, rs, |
| (int32_t)(ctx->opcode & 0x3FFFFFF) << 1); |
| *is_branch = 1; |
| break; |
| case JAL32: |
| gen_compute_branch(ctx, OPC_JAL, 4, rt, rs, |
| (int32_t)(ctx->opcode & 0x3FFFFFF) << 1); |
| *is_branch = 1; |
| break; |
| /* Floating point (COP1) */ |
| case LWC132: |
| mips32_op = OPC_LWC1; |
| goto do_cop1; |
| case LDC132: |
| mips32_op = OPC_LDC1; |
| goto do_cop1; |
| case SWC132: |
| mips32_op = OPC_SWC1; |
| goto do_cop1; |
| case SDC132: |
| mips32_op = OPC_SDC1; |
| do_cop1: |
| gen_cop1_ldst(env, ctx, mips32_op, rt, rs, imm); |
| break; |
| case ADDIUPC: |
| { |
| int reg = mmreg(ZIMM(ctx->opcode, 23, 3)); |
| int offset = SIMM(ctx->opcode, 0, 23) << 2; |
| |
| gen_addiupc(ctx, reg, offset, 0, 0); |
| } |
| break; |
| /* Loads and stores */ |
| case LB32: |
| mips32_op = OPC_LB; |
| goto do_ld; |
| case LBU32: |
| mips32_op = OPC_LBU; |
| goto do_ld; |
| case LH32: |
| mips32_op = OPC_LH; |
| goto do_ld; |
| case LHU32: |
| mips32_op = OPC_LHU; |
| goto do_ld; |
| case LW32: |
| mips32_op = OPC_LW; |
| goto do_ld; |
| #ifdef TARGET_MIPS64 |
| case LD32: |
| mips32_op = OPC_LD; |
| goto do_ld; |
| case SD32: |
| mips32_op = OPC_SD; |
| goto do_st; |
| #endif |
| case SB32: |
| mips32_op = OPC_SB; |
| goto do_st; |
| case SH32: |
| mips32_op = OPC_SH; |
| goto do_st; |
| case SW32: |
| mips32_op = OPC_SW; |
| goto do_st; |
| do_ld: |
| gen_ld(env, ctx, mips32_op, rt, rs, imm); |
| break; |
| do_st: |
| gen_st(ctx, mips32_op, rt, rs, imm); |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| } |
| |
| static int decode_micromips_opc (CPUState *env, DisasContext *ctx, int *is_branch) |
| { |
| uint32_t op; |
| |
| /* make sure instructions are on a halfword boundary */ |
| if (ctx->pc & 0x1) { |
| env->CP0_BadVAddr = ctx->pc; |
| generate_exception(ctx, EXCP_AdEL); |
| ctx->bstate = BS_STOP; |
| return 2; |
| } |
| |
| op = (ctx->opcode >> 10) & 0x3f; |
| /* Enforce properly-sized instructions in a delay slot */ |
| if (ctx->hflags & MIPS_HFLAG_BMASK) { |
| int bits = ctx->hflags & MIPS_HFLAG_BMASK_EXT; |
| |
| switch (op) { |
| case POOL32A: |
| case POOL32B: |
| case POOL32I: |
| case POOL32C: |
| case ADDI32: |
| case ADDIU32: |
| case ORI32: |
| case XORI32: |
| case SLTI32: |
| case SLTIU32: |
| case ANDI32: |
| case JALX32: |
| case LBU32: |
| case LHU32: |
| case POOL32F: |
| case JALS32: |
| case BEQ32: |
| case BNE32: |
| case J32: |
| case JAL32: |
| case SB32: |
| case SH32: |
| case POOL32S: |
| case ADDIUPC: |
| case SWC132: |
| case SDC132: |
| case SD32: |
| case SW32: |
| case LB32: |
| case LH32: |
| case DADDIU32: |
| case POOL48A: /* ??? */ |
| case LWC132: |
| case LDC132: |
| case LD32: |
| case LW32: |
| if (bits & MIPS_HFLAG_BDS16) { |
| generate_exception(ctx, EXCP_RI); |
| /* Just stop translation; the user is confused. */ |
| ctx->bstate = BS_STOP; |
| return 2; |
| } |
| break; |
| case POOL16A: |
| case POOL16B: |
| case POOL16C: |
| case LWGP16: |
| case POOL16F: |
| case LBU16: |
| case LHU16: |
| case LWSP16: |
| case LW16: |
| case SB16: |
| case SH16: |
| case SWSP16: |
| case SW16: |
| case MOVE16: |
| case ANDI16: |
| case POOL16D: |
| case POOL16E: |
| case BEQZ16: |
| case BNEZ16: |
| case B16: |
| case LI16: |
| if (bits & MIPS_HFLAG_BDS32) { |
| generate_exception(ctx, EXCP_RI); |
| /* Just stop translation; the user is confused. */ |
| ctx->bstate = BS_STOP; |
| return 2; |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| switch (op) { |
| case POOL16A: |
| { |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rs1 = mmreg(uMIPS_RS1(ctx->opcode)); |
| int rs2 = mmreg(uMIPS_RS2(ctx->opcode)); |
| uint32_t opc = 0; |
| |
| switch (ctx->opcode & 0x1) { |
| case ADDU16: |
| opc = OPC_ADDU; |
| break; |
| case SUBU16: |
| opc = OPC_SUBU; |
| break; |
| } |
| |
| gen_arith(env, ctx, opc, rd, rs1, rs2); |
| } |
| break; |
| case POOL16B: |
| { |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rs = mmreg(uMIPS_RS(ctx->opcode)); |
| int amount = (ctx->opcode >> 1) & 0x7; |
| uint32_t opc = 0; |
| amount = amount == 0 ? 8 : amount; |
| |
| switch (ctx->opcode & 0x1) { |
| case SLL16: |
| opc = OPC_SLL; |
| break; |
| case SRL16: |
| opc = OPC_SRL; |
| break; |
| } |
| |
| gen_shift_imm(env, ctx, opc, rd, rs, amount); |
| } |
| break; |
| case POOL16C: |
| gen_pool16c_insn(env, ctx, is_branch); |
| break; |
| case LWGP16: |
| { |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rb = 28; /* GP */ |
| int16_t offset = SIMM(ctx->opcode, 0, 7) << 2; |
| |
| gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
| } |
| break; |
| case POOL16F: |
| if (ctx->opcode & 1) { |
| generate_exception(ctx, EXCP_RI); |
| } else { |
| /* MOVEP */ |
| int enc_dest = uMIPS_RD(ctx->opcode); |
| int enc_rt = uMIPS_RS2(ctx->opcode); |
| int enc_rs = uMIPS_RS1(ctx->opcode); |
| int rd, rs, re, rt; |
| static const int rd_enc[] = { 5, 5, 6, 4, 4, 4, 4, 4 }; |
| static const int re_enc[] = { 6, 7, 7, 21, 22, 5, 6, 7 }; |
| static const int rs_rt_enc[] = { 0, 17, 2, 3, 16, 18, 19, 20 }; |
| |
| rd = rd_enc[enc_dest]; |
| re = re_enc[enc_dest]; |
| rs = rs_rt_enc[enc_rs]; |
| rt = rs_rt_enc[enc_rt]; |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0); |
| gen_arith_imm(env, ctx, OPC_ADDIU, re, rt, 0); |
| } |
| break; |
| case LBU16: |
| { |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rb = mmreg(uMIPS_RS(ctx->opcode)); |
| int16_t offset = ZIMM(ctx->opcode, 0, 4); |
| offset = (offset == 0xf ? -1 : offset); |
| |
| gen_ld(env, ctx, OPC_LBU, rd, rb, offset); |
| } |
| break; |
| case LHU16: |
| { |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rb = mmreg(uMIPS_RS(ctx->opcode)); |
| int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; |
| |
| gen_ld(env, ctx, OPC_LHU, rd, rb, offset); |
| } |
| break; |
| case LWSP16: |
| { |
| int rd = (ctx->opcode >> 5) & 0x1f; |
| int rb = 29; /* SP */ |
| int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; |
| |
| gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
| } |
| break; |
| case LW16: |
| { |
| int rd = mmreg(uMIPS_RD(ctx->opcode)); |
| int rb = mmreg(uMIPS_RS(ctx->opcode)); |
| int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; |
| |
| gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
| } |
| break; |
| case SB16: |
| { |
| int rd = mmreg2(uMIPS_RD(ctx->opcode)); |
| int rb = mmreg(uMIPS_RS(ctx->opcode)); |
| int16_t offset = ZIMM(ctx->opcode, 0, 4); |
| |
| gen_st(ctx, OPC_SB, rd, rb, offset); |
| } |
| break; |
| case SH16: |
| { |
| int rd = mmreg2(uMIPS_RD(ctx->opcode)); |
| int rb = mmreg(uMIPS_RS(ctx->opcode)); |
| int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; |
| |
| gen_st(ctx, OPC_SH, rd, rb, offset); |
| } |
| break; |
| case SWSP16: |
| { |
| int rd = (ctx->opcode >> 5) & 0x1f; |
| int rb = 29; /* SP */ |
| int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; |
| |
| gen_st(ctx, OPC_SW, rd, rb, offset); |
| } |
| break; |
| case SW16: |
| { |
| int rd = mmreg2(uMIPS_RD(ctx->opcode)); |
| int rb = mmreg(uMIPS_RS(ctx->opcode)); |
| int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; |
| |
| gen_st(ctx, OPC_SW, rd, rb, offset); |
| } |
| break; |
| case MOVE16: |
| { |
| int rd = uMIPS_RD5(ctx->opcode); |
| int rs = uMIPS_RS5(ctx->opcode); |
| |
| gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0); |
| } |
| break; |
| case ANDI16: |
| gen_andi16(env, ctx); |
| break; |
| case POOL16D: |
| switch (ctx->opcode & 0x1) { |
| case ADDIUS5: |
| gen_addius5(env, ctx); |
| break; |
| case ADDIUSP: |
| gen_addiusp(env, ctx); |
| break; |
| } |
| break; |
| case POOL16E: |
| switch (ctx->opcode & 0x1) { |
| case ADDIUR2: |
| gen_addiur2(env, ctx); |
| break; |
| case ADDIUR1SP: |
| gen_addiur1sp(env, ctx); |
| break; |
| } |
| break; |
| case B16: |
| gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, |
| SIMM(ctx->opcode, 0, 10) << 1); |
| *is_branch = 1; |
| break; |
| case BNEZ16: |
| case BEQZ16: |
| gen_compute_branch(ctx, op == BNEZ16 ? OPC_BNE : OPC_BEQ, 2, |
| mmreg(uMIPS_RD(ctx->opcode)), |
| 0, SIMM(ctx->opcode, 0, 7) << 1); |
| *is_branch = 1; |
| break; |
| case LI16: |
| { |
| int reg = mmreg(uMIPS_RD(ctx->opcode)); |
| int imm = ZIMM(ctx->opcode, 0, 7); |
| |
| imm = (imm == 0x7f ? -1 : imm); |
| tcg_gen_movi_tl(cpu_gpr[reg], imm); |
| } |
| break; |
| case RES_20: |
| case RES_28: |
| case RES_29: |
| case RES_30: |
| case RES_31: |
| case RES_38: |
| case RES_39: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| default: |
| decode_micromips32_opc (env, ctx, op, is_branch); |
| return 4; |
| } |
| |
| return 2; |
| } |
| |
| /* SmartMIPS extension to MIPS32 */ |
| |
| #if defined(TARGET_MIPS64) |
| |
| /* MDMX extension to MIPS64 */ |
| |
| #endif |
| |
| static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) |
| { |
| 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_BASE) == MIPS_HFLAG_BL) { |
| int l1 = gen_new_label(); |
| |
| MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
| tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); |
| tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); |
| gen_goto_tb(ctx, 1, ctx->pc + 4); |
| gen_set_label(l1); |
| } |
| |
| if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP))) |
| tcg_gen_debug_insn_start(ctx->pc); |
| |
| 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: /* Shift with immediate */ |
| case OPC_SRA: |
| gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| break; |
| case OPC_SRL: |
| switch ((ctx->opcode >> 21) & 0x1f) { |
| case 1: |
| /* rotr is decoded as srl on non-R2 CPUs */ |
| if (env->insn_flags & ISA_MIPS32R2) { |
| op1 = OPC_ROTR; |
| } |
| /* Fallthrough */ |
| case 0: |
| gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case OPC_MOVN: /* Conditional move */ |
| case OPC_MOVZ: |
| check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32 | |
| INSN_LOONGSON2E | INSN_LOONGSON2F); |
| gen_cond_move(env, op1, rd, rs, rt); |
| break; |
| case OPC_ADD ... OPC_SUBU: |
| gen_arith(env, ctx, op1, rd, rs, rt); |
| break; |
| case OPC_SLLV: /* Shifts */ |
| case OPC_SRAV: |
| gen_shift(env, ctx, op1, rd, rs, rt); |
| break; |
| case OPC_SRLV: |
| switch ((ctx->opcode >> 6) & 0x1f) { |
| case 1: |
| /* rotrv is decoded as srlv on non-R2 CPUs */ |
| if (env->insn_flags & ISA_MIPS32R2) { |
| op1 = OPC_ROTRV; |
| } |
| /* Fallthrough */ |
| case 0: |
| gen_shift(env, ctx, op1, rd, rs, rt); |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case OPC_SLT: /* Set on less than */ |
| case OPC_SLTU: |
| gen_slt(env, op1, rd, rs, rt); |
| break; |
| case OPC_AND: /* Logic*/ |
| case OPC_OR: |
| case OPC_NOR: |
| case OPC_XOR: |
| gen_logic(env, 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, 4, rs, rd, sa); |
| *is_branch = 1; |
| break; |
| 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_helper_0i(pmon, sa); |
| #endif |
| break; |
| case OPC_SYSCALL: |
| generate_exception(ctx, EXCP_SYSCALL); |
| ctx->bstate = BS_STOP; |
| 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)) { |
| 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_DSRA: |
| case OPC_DSLL32: |
| case OPC_DSRA32: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| break; |
| case OPC_DSRL: |
| switch ((ctx->opcode >> 21) & 0x1f) { |
| case 1: |
| /* drotr is decoded as dsrl on non-R2 CPUs */ |
| if (env->insn_flags & ISA_MIPS32R2) { |
| op1 = OPC_DROTR; |
| } |
| /* Fallthrough */ |
| case 0: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case OPC_DSRL32: |
| switch ((ctx->opcode >> 21) & 0x1f) { |
| case 1: |
| /* drotr32 is decoded as dsrl32 on non-R2 CPUs */ |
| if (env->insn_flags & ISA_MIPS32R2) { |
| op1 = OPC_DROTR32; |
| } |
| /* Fallthrough */ |
| case 0: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| 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_DSLLV: |
| case OPC_DSRAV: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_shift(env, ctx, op1, rd, rs, rt); |
| break; |
| case OPC_DSRLV: |
| switch ((ctx->opcode >> 6) & 0x1f) { |
| case 1: |
| /* drotrv is decoded as dsrlv on non-R2 CPUs */ |
| if (env->insn_flags & ISA_MIPS32R2) { |
| op1 = OPC_DROTRV; |
| } |
| /* Fallthrough */ |
| case 0: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_shift(env, ctx, op1, rd, rs, rt); |
| break; |
| default: |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| 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_CLO: |
| case OPC_CLZ: |
| 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; |
| case OPC_DIV_G_2F: |
| case OPC_DIVU_G_2F: |
| case OPC_MULT_G_2F: |
| case OPC_MULTU_G_2F: |
| case OPC_MOD_G_2F: |
| case OPC_MODU_G_2F: |
| check_insn(env, ctx, INSN_LOONGSON2F); |
| gen_loongson_integer(ctx, op1, rd, rs, rt); |
| break; |
| #if defined(TARGET_MIPS64) |
| case OPC_DCLO: |
| case OPC_DCLZ: |
| check_insn(env, ctx, ISA_MIPS64); |
| check_mips_64(ctx); |
| gen_cl(ctx, op1, rd, rs); |
| break; |
| case OPC_DMULT_G_2F: |
| case OPC_DMULTU_G_2F: |
| case OPC_DDIV_G_2F: |
| case OPC_DDIVU_G_2F: |
| case OPC_DMOD_G_2F: |
| case OPC_DMODU_G_2F: |
| check_insn(env, ctx, INSN_LOONGSON2F); |
| gen_loongson_integer(ctx, op1, rd, rs, rt); |
| 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); |
| gen_bshfl(ctx, op2, rt, rd); |
| break; |
| case OPC_RDHWR: |
| gen_rdhwr(env, ctx, rt, rd); |
| break; |
| case OPC_FORK: |
| check_insn(env, ctx, ASE_MT); |
| { |
| TCGv t0 = tcg_temp_new(); |
| TCGv t1 = tcg_temp_new(); |
| |
| gen_load_gpr(t0, rt); |
| gen_load_gpr(t1, rs); |
| gen_helper_fork(t0, t1); |
| tcg_temp_free(t0); |
| tcg_temp_free(t1); |
| } |
| break; |
| case OPC_YIELD: |
| check_insn(env, ctx, ASE_MT); |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| save_cpu_state(ctx, 1); |
| gen_load_gpr(t0, rs); |
| gen_helper_yield(t0, t0); |
| gen_store_gpr(t0, rd); |
| tcg_temp_free(t0); |
| } |
| break; |
| case OPC_DIV_G_2E ... OPC_DIVU_G_2E: |
| case OPC_MULT_G_2E ... OPC_MULTU_G_2E: |
| case OPC_MOD_G_2E ... OPC_MODU_G_2E: |
| check_insn(env, ctx, INSN_LOONGSON2E); |
| gen_loongson_integer(ctx, op1, rd, rs, rt); |
| 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); |
| gen_bshfl(ctx, op2, rt, rd); |
| break; |
| case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E: |
| case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E: |
| case OPC_DMOD_G_2E ... OPC_DMODU_G_2E: |
| check_insn(env, ctx, INSN_LOONGSON2E); |
| gen_loongson_integer(ctx, op1, rd, rs, rt); |
| 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, 4, rs, -1, imm << 2); |
| *is_branch = 1; |
| break; |
| 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 |
| #ifndef CONFIG_USER_ONLY |
| gen_cp0(env, ctx, op1, rt, rd); |
| #endif /* !CONFIG_USER_ONLY */ |
| break; |
| case OPC_C0_FIRST ... OPC_C0_LAST: |
| #ifndef CONFIG_USER_ONLY |
| gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
| #endif /* !CONFIG_USER_ONLY */ |
| break; |
| case OPC_MFMC0: |
| #ifndef CONFIG_USER_ONLY |
| { |
| TCGv t0 = tcg_temp_new(); |
| |
| op2 = MASK_MFMC0(ctx->opcode); |
| switch (op2) { |
| case OPC_DMT: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_dmt(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case OPC_EMT: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_emt(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case OPC_DVPE: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_dvpe(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case OPC_EVPE: |
| check_insn(env, ctx, ASE_MT); |
| gen_helper_evpe(t0); |
| gen_store_gpr(t0, rt); |
| break; |
| case OPC_DI: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| save_cpu_state(ctx, 1); |
| gen_helper_di(t0); |
| gen_store_gpr(t0, rt); |
| /* 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_helper_ei(t0); |
| gen_store_gpr(t0, rt); |
| /* 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; |
| } |
| tcg_temp_free(t0); |
| } |
| #endif /* !CONFIG_USER_ONLY */ |
| break; |
| case OPC_RDPGPR: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_load_srsgpr(rt, rd); |
| break; |
| case OPC_WRPGPR: |
| check_insn(env, ctx, ISA_MIPS32R2); |
| gen_store_srsgpr(rt, rd); |
| break; |
| default: |
| MIPS_INVAL("cp0"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| break; |
| case OPC_ADDI: /* Arithmetic with immediate opcode */ |
| case OPC_ADDIU: |
| gen_arith_imm(env, ctx, op, rt, rs, imm); |
| break; |
| case OPC_SLTI: /* Set on less than with immediate opcode */ |
| case OPC_SLTIU: |
| gen_slt_imm(env, op, rt, rs, imm); |
| break; |
| case OPC_ANDI: /* Arithmetic with immediate opcode */ |
| case OPC_LUI: |
| case OPC_ORI: |
| case OPC_XORI: |
| gen_logic_imm(env, op, rt, rs, imm); |
| break; |
| case OPC_J ... OPC_JAL: /* Jump */ |
| offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
| gen_compute_branch(ctx, op, 4, rs, rt, offset); |
| *is_branch = 1; |
| break; |
| case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
| case OPC_BEQL ... OPC_BGTZL: |
| gen_compute_branch(ctx, op, 4, rs, rt, imm << 2); |
| *is_branch = 1; |
| break; |
| case OPC_LB ... OPC_LWR: /* Load and stores */ |
| case OPC_LL: |
| gen_ld(env, ctx, op, rt, rs, imm); |
| break; |
| case OPC_SB ... OPC_SW: |
| case OPC_SWR: |
| gen_st(ctx, op, rt, rs, imm); |
| break; |
| case OPC_SC: |
| gen_st_cond(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: |
| gen_cop1_ldst(env, ctx, op, rt, rs, imm); |
| break; |
| |
| case OPC_CP1: |
| if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 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); |
| *is_branch = 1; |
| break; |
| case OPC_S_FMT: |
| case OPC_D_FMT: |
| case OPC_W_FMT: |
| case OPC_L_FMT: |
| case OPC_PS_FMT: |
| gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), 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)) { |
| 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_LLD: |
| case OPC_LD: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_ld(env, ctx, op, rt, rs, imm); |
| break; |
| case OPC_SDL ... OPC_SDR: |
| case OPC_SD: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_st(ctx, op, rt, rs, imm); |
| break; |
| case OPC_SCD: |
| check_insn(env, ctx, ISA_MIPS3); |
| check_mips_64(ctx); |
| gen_st_cond(ctx, op, rt, rs, imm); |
| break; |
| case OPC_DADDI: |
| case 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 | ASE_MICROMIPS); |
| offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
| gen_compute_branch(ctx, op, 4, rs, rt, offset); |
| *is_branch = 1; |
| break; |
| case OPC_MDMX: |
| check_insn(env, ctx, ASE_MDMX); |
| /* MDMX: Not implemented. */ |
| default: /* Invalid */ |
| MIPS_INVAL("major opcode"); |
| generate_exception(ctx, EXCP_RI); |
| break; |
| } |
| } |
| |
| static inline void |
| gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
| int search_pc) |
| { |
| DisasContext ctx; |
| target_ulong pc_start; |
| uint16_t *gen_opc_end; |
| CPUBreakpoint *bp; |
| int j, lj = -1; |
| int num_insns; |
| int max_insns; |
| int insn_bytes; |
| int is_branch; |
| |
| if (search_pc) |
| qemu_log("search pc %d\n", search_pc); |
| |
| pc_start = tb->pc; |
| gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| ctx.pc = pc_start; |
| ctx.saved_pc = -1; |
| ctx.singlestep_enabled = env->singlestep_enabled; |
| 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); |
| #ifdef CONFIG_USER_ONLY |
| ctx.mem_idx = MIPS_HFLAG_UM; |
| #else |
| ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
| #endif |
| num_insns = 0; |
| max_insns = tb->cflags & CF_COUNT_MASK; |
| if (max_insns == 0) |
| max_insns = CF_COUNT_MASK; |
| LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags); |
| gen_icount_start(); |
| while (ctx.bstate == BS_NONE) { |
| if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) { |
| QTAILQ_FOREACH(bp, &env->breakpoints, entry) { |
| if (bp->pc == ctx.pc) { |
| save_cpu_state(&ctx, 1); |
| ctx.bstate = BS_BRANCH; |
| gen_helper_0i(raise_exception, EXCP_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; |
| gen_opc_icount[lj] = num_insns; |
| } |
| if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
| gen_io_start(); |
| |
| is_branch = 0; |
| if (!(ctx.hflags & MIPS_HFLAG_M16)) { |
| ctx.opcode = ldl_code(ctx.pc); |
| insn_bytes = 4; |
| decode_opc(env, &ctx, &is_branch); |
| } else if (env->insn_flags & ASE_MICROMIPS) { |
| ctx.opcode = lduw_code(ctx.pc); |
| insn_bytes = decode_micromips_opc(env, &ctx, &is_branch); |
| } else if (env->insn_flags & ASE_MIPS16) { |
| ctx.opcode = lduw_code(ctx.pc); |
| insn_bytes = decode_mips16_opc(env, &ctx, &is_branch); |
| } else { |
| generate_exception(&ctx, EXCP_RI); |
| ctx.bstate = BS_STOP; |
| break; |
| } |
| if (!is_branch) { |
| handle_delay_slot(env, &ctx, insn_bytes); |
| } |
| ctx.pc += insn_bytes; |
| |
| num_insns++; |
| |
| /* Execute a branch and its delay slot as a single instruction. |
| This is what GDB expects and is consistent with what the |
| hardware does (e.g. if a delay slot instruction faults, the |
| reported PC is the PC of the branch). */ |
| if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0) |
| break; |
| |
| if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
| break; |
| |
| if (gen_opc_ptr >= gen_opc_end) |
| break; |
| |
| if (num_insns >= max_insns) |
| break; |
| |
| if (singlestep) |
| break; |
| } |
| if (tb->cflags & CF_LAST_IO) |
| gen_io_end(); |
| if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) { |
| save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
| gen_helper_0i(raise_exception, EXCP_DEBUG); |
| } else { |
| switch (ctx.bstate) { |
| case BS_STOP: |
| 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_exit_tb(0); |
| break; |
| case BS_BRANCH: |
| default: |
| break; |
| } |
| } |
| done_generating: |
| gen_icount_end(tb, num_insns); |
| *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; |
| tb->icount = num_insns; |
| } |
| #ifdef DEBUG_DISAS |
| LOG_DISAS("\n"); |
| if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) { |
| qemu_log("IN: %s\n", lookup_symbol(pc_start)); |
| log_target_disas(pc_start, ctx.pc - pc_start, 0); |
| qemu_log("\n"); |
| } |
| #endif |
| } |
| |
| void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
| { |
| gen_intermediate_code_internal(env, tb, 0); |
| } |
| |
| void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
| { |
| gen_intermediate_code_internal(env, tb, 1); |
| } |
| |
| static void fpu_dump_state(CPUState *env, FILE *f, fprintf_function fpu_fprintf, |
| 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:%016" PRIx64 \ |
| " fd:%13g fs:%13g psu: %13g\n", \ |
| (fp)->w[FP_ENDIAN_IDX], (fp)->d, \ |
| (double)(fp)->fd, \ |
| (double)(fp)->fs[FP_ENDIAN_IDX], \ |
| (double)(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:%016" PRIx64 \ |
| " fd:%13g fs:%13g psu:%13g\n", \ |
| tmp.w[FP_ENDIAN_IDX], tmp.d, \ |
| (double)tmp.fd, \ |
| (double)tmp.fs[FP_ENDIAN_IDX], \ |
| (double)tmp.fs[!FP_ENDIAN_IDX]); \ |
| } \ |
| } while(0) |
| |
| |
| fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%02x\n", |
| env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, |
| get_float_exception_flags(&env->active_fpu.fp_status)); |
| for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
| fpu_fprintf(f, "%3s: ", fregnames[i]); |
| printfpr(&env->active_fpu.fpr[i]); |
| } |
| |
| #undef printfpr |
| } |
| |
| #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS) |
| /* Debug help: The architecture requires 32bit code to maintain proper |
| sign-extended values on 64bit machines. */ |
| |
| #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
| |
| static void |
| cpu_mips_check_sign_extensions (CPUState *env, FILE *f, |
| fprintf_function cpu_fprintf, |
| int flags) |
| { |
| int i; |
| |
| if (!SIGN_EXT_P(env->active_tc.PC)) |
| cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC); |
| if (!SIGN_EXT_P(env->active_tc.HI[0])) |
| cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]); |
| if (!SIGN_EXT_P(env->active_tc.LO[0])) |
| cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[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->active_tc.gpr[i])) |
| cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[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->lladdr)) |
| cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr); |
| } |
| #endif |
| |
| void cpu_dump_state (CPUState *env, FILE *f, fprintf_function cpu_fprintf, |
| 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 " " TARGET_FMT_ld "\n", |
| env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0], |
| 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->active_tc.gpr[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->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) |
| { |
| int i; |
| static int inited; |
| |
| /* Initialize various static tables. */ |
| if (inited) |
| return; |
| |
| cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env"); |
| TCGV_UNUSED(cpu_gpr[0]); |
| for (i = 1; i < 32; i++) |
| cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, active_tc.gpr[i]), |
| regnames[i]); |
| cpu_PC = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, active_tc.PC), "PC"); |
| for (i = 0; i < MIPS_DSP_ACC; i++) { |
| cpu_HI[i] = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, active_tc.HI[i]), |
| regnames_HI[i]); |
| cpu_LO[i] = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, active_tc.LO[i]), |
| regnames_LO[i]); |
| cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, active_tc.ACX[i]), |
| regnames_ACX[i]); |
| } |
| cpu_dspctrl = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, active_tc.DSPControl), |
| "DSPControl"); |
| bcond = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, bcond), "bcond"); |
| btarget = tcg_global_mem_new(TCG_AREG0, |
| offsetof(CPUState, btarget), "btarget"); |
| hflags = tcg_global_mem_new_i32(TCG_AREG0, |
| offsetof(CPUState, hflags), "hflags"); |
| |
| fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0, |
| offsetof(CPUState, active_fpu.fcr0), |
| "fcr0"); |
| fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0, |
| offsetof(CPUState, active_fpu.fcr31), |
| "fcr31"); |
| |
| /* register helpers */ |
| #define GEN_HELPER 2 |
| #include "helper.h" |
| |
| 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)); |
| env->cpu_model = def; |
| env->cpu_model_str = cpu_model; |
| |
| cpu_exec_init(env); |
| #ifndef CONFIG_USER_ONLY |
| mmu_init(env, def); |
| #endif |
| fpu_init(env, def); |
| mvp_init(env, def); |
| mips_tcg_init(); |
| cpu_reset(env); |
| qemu_init_vcpu(env); |
| return env; |
| } |
| |
| void cpu_reset (CPUMIPSState *env) |
| { |
| if (qemu_loglevel_mask(CPU_LOG_RESET)) { |
| qemu_log("CPU Reset (CPU %d)\n", env->cpu_index); |
| log_cpu_state(env, 0); |
| } |
| |
| memset(env, 0, offsetof(CPUMIPSState, breakpoints)); |
| tlb_flush(env, 1); |
| |
| /* Reset registers to their default values */ |
| env->CP0_PRid = env->cpu_model->CP0_PRid; |
| env->CP0_Config0 = env->cpu_model->CP0_Config0; |
| #ifdef TARGET_WORDS_BIGENDIAN |
| env->CP0_Config0 |= (1 << CP0C0_BE); |
| #endif |
| env->CP0_Config1 = env->cpu_model->CP0_Config1; |
| env->CP0_Config2 = env->cpu_model->CP0_Config2; |
| env->CP0_Config3 = env->cpu_model->CP0_Config3; |
| env->CP0_Config6 = env->cpu_model->CP0_Config6; |
| env->CP0_Config7 = env->cpu_model->CP0_Config7; |
| env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask |
| << env->cpu_model->CP0_LLAddr_shift; |
| env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift; |
| env->SYNCI_Step = env->cpu_model->SYNCI_Step; |
| env->CCRes = env->cpu_model->CCRes; |
| env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask; |
| env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask; |
| env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl; |
| env->current_tc = 0; |
| env->SEGBITS = env->cpu_model->SEGBITS; |
| env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1); |
| #if defined(TARGET_MIPS64) |
| if (env->cpu_model->insn_flags & ISA_MIPS3) { |
| env->SEGMask |= 3ULL << 62; |
| } |
| #endif |
| env->PABITS = env->cpu_model->PABITS; |
| env->PAMask = (target_ulong)((1ULL << env->cpu_model->PABITS) - 1); |
| env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask; |
| env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0; |
| env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask; |
| env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1; |
| env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask; |
| env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2; |
| env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask; |
| env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3; |
| env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask; |
| env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4; |
| env->insn_flags = env->cpu_model->insn_flags; |
| |
| #if defined(CONFIG_USER_ONLY) |
| env->hflags = MIPS_HFLAG_UM; |
| /* Enable access to the SYNCI_Step register. */ |
| env->CP0_HWREna |= (1 << 1); |
| if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| env->hflags |= MIPS_HFLAG_FPU; |
| } |
| #ifdef TARGET_MIPS64 |
| if (env->active_fpu.fcr0 & (1 << FCR0_F64)) { |
| env->hflags |= MIPS_HFLAG_F64; |
| } |
| #endif |
| #else |
| if (env->hflags & MIPS_HFLAG_BMASK) { |
| /* If the exception was raised from a delay slot, |
| come back to the jump. */ |
| env->CP0_ErrorEPC = env->active_tc.PC - 4; |
| } else { |
| env->CP0_ErrorEPC = env->active_tc.PC; |
| } |
| env->active_tc.PC = (int32_t)0xBFC00000; |
| env->CP0_Random = env->tlb->nb_tlb - 1; |
| env->tlb->tlb_in_use = env->tlb->nb_tlb; |
| env->CP0_Wired = 0; |
| env->CP0_EBase = 0x80000000 | (env->cpu_index & 0x3FF); |
| 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); |
| env->hflags = MIPS_HFLAG_CP0; |
| #endif |
| #if defined(TARGET_MIPS64) |
| if (env->cpu_model->insn_flags & ISA_MIPS3) { |
| env->hflags |= MIPS_HFLAG_64; |
| } |
| #endif |
| env->exception_index = EXCP_NONE; |
| } |
| |
| void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos) |
| { |
| env->active_tc.PC = gen_opc_pc[pc_pos]; |
| env->hflags &= ~MIPS_HFLAG_BMASK; |
| env->hflags |= gen_opc_hflags[pc_pos]; |
| } |