/* * MIPS32 emulation for qemu: main translation routines. * * Copyright (c) 2004-2005 Jocelyn Mayer * Copyright (c) 2006 Marius Groeger (FPU operations) * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA */ #include #include #include #include #include #include "cpu.h" #include "exec-all.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_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ OPC_BEQL = (0x14 << 26), OPC_BNE = (0x05 << 26), OPC_BNEL = (0x15 << 26), OPC_BLEZ = (0x06 << 26), OPC_BLEZL = (0x16 << 26), OPC_BGTZ = (0x07 << 26), OPC_BGTZL = (0x17 << 26), OPC_JALX = (0x1D << 26), /* MIPS 16 only */ /* Load and stores */ OPC_LDL = (0x1A << 26), OPC_LDR = (0x1B << 26), OPC_LB = (0x20 << 26), OPC_LH = (0x21 << 26), OPC_LWL = (0x22 << 26), OPC_LW = (0x23 << 26), OPC_LBU = (0x24 << 26), OPC_LHU = (0x25 << 26), OPC_LWR = (0x26 << 26), OPC_LWU = (0x27 << 26), OPC_SB = (0x28 << 26), OPC_SH = (0x29 << 26), OPC_SWL = (0x2A << 26), OPC_SW = (0x2B << 26), OPC_SDL = (0x2C << 26), OPC_SDR = (0x2D << 26), OPC_SWR = (0x2E << 26), OPC_LL = (0x30 << 26), OPC_LLD = (0x34 << 26), OPC_LD = (0x37 << 26), OPC_SC = (0x38 << 26), OPC_SCD = (0x3C << 26), OPC_SD = (0x3F << 26), /* Floating point load/store */ OPC_LWC1 = (0x31 << 26), OPC_LWC2 = (0x32 << 26), OPC_LDC1 = (0x35 << 26), OPC_LDC2 = (0x36 << 26), OPC_SWC1 = (0x39 << 26), OPC_SWC2 = (0x3A << 26), OPC_SDC1 = (0x3D << 26), OPC_SDC2 = (0x3E << 26), /* MDMX ASE specific */ OPC_MDMX = (0x1E << 26), /* Cache and prefetch */ OPC_CACHE = (0x2F << 26), OPC_PREF = (0x33 << 26), /* Reserved major opcode */ OPC_MAJOR3B_RESERVED = (0x3B << 26), }; /* MIPS special opcodes */ #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F) enum { /* Shifts */ OPC_SLL = 0x00 | OPC_SPECIAL, /* NOP is SLL r0, r0, 0 */ /* SSNOP is SLL r0, r0, 1 */ /* EHB is SLL r0, r0, 3 */ OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ OPC_SRA = 0x03 | OPC_SPECIAL, OPC_SLLV = 0x04 | OPC_SPECIAL, OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ OPC_SRAV = 0x07 | OPC_SPECIAL, OPC_DSLLV = 0x14 | OPC_SPECIAL, OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ OPC_DSRAV = 0x17 | OPC_SPECIAL, OPC_DSLL = 0x38 | OPC_SPECIAL, OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ OPC_DSRA = 0x3B | OPC_SPECIAL, OPC_DSLL32 = 0x3C | OPC_SPECIAL, OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ OPC_DSRA32 = 0x3F | OPC_SPECIAL, /* Multiplication / division */ OPC_MULT = 0x18 | OPC_SPECIAL, OPC_MULTU = 0x19 | OPC_SPECIAL, OPC_DIV = 0x1A | OPC_SPECIAL, OPC_DIVU = 0x1B | OPC_SPECIAL, OPC_DMULT = 0x1C | OPC_SPECIAL, OPC_DMULTU = 0x1D | OPC_SPECIAL, OPC_DDIV = 0x1E | OPC_SPECIAL, OPC_DDIVU = 0x1F | OPC_SPECIAL, /* 2 registers arithmetic / logic */ OPC_ADD = 0x20 | OPC_SPECIAL, OPC_ADDU = 0x21 | OPC_SPECIAL, OPC_SUB = 0x22 | OPC_SPECIAL, OPC_SUBU = 0x23 | OPC_SPECIAL, OPC_AND = 0x24 | OPC_SPECIAL, OPC_OR = 0x25 | OPC_SPECIAL, OPC_XOR = 0x26 | OPC_SPECIAL, OPC_NOR = 0x27 | OPC_SPECIAL, OPC_SLT = 0x2A | OPC_SPECIAL, OPC_SLTU = 0x2B | OPC_SPECIAL, OPC_DADD = 0x2C | OPC_SPECIAL, OPC_DADDU = 0x2D | OPC_SPECIAL, OPC_DSUB = 0x2E | OPC_SPECIAL, OPC_DSUBU = 0x2F | OPC_SPECIAL, /* Jumps */ OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ /* Traps */ OPC_TGE = 0x30 | OPC_SPECIAL, OPC_TGEU = 0x31 | OPC_SPECIAL, OPC_TLT = 0x32 | OPC_SPECIAL, OPC_TLTU = 0x33 | OPC_SPECIAL, OPC_TEQ = 0x34 | OPC_SPECIAL, OPC_TNE = 0x36 | OPC_SPECIAL, /* HI / LO registers load & stores */ OPC_MFHI = 0x10 | OPC_SPECIAL, OPC_MTHI = 0x11 | OPC_SPECIAL, OPC_MFLO = 0x12 | OPC_SPECIAL, OPC_MTLO = 0x13 | OPC_SPECIAL, /* Conditional moves */ OPC_MOVZ = 0x0A | OPC_SPECIAL, OPC_MOVN = 0x0B | OPC_SPECIAL, OPC_MOVCI = 0x01 | OPC_SPECIAL, /* Special */ OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */ OPC_SYSCALL = 0x0C | OPC_SPECIAL, OPC_BREAK = 0x0D | OPC_SPECIAL, OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */ OPC_SYNC = 0x0F | OPC_SPECIAL, OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL, OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL, OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL, OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL, OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL, OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL, OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL, }; /* Multiplication variants of the vr54xx. */ #define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6)) enum { OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT, OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU, OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT, OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU, OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT, OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU, OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT, OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU, OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT, OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU, OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT, OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU, OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT, OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU, }; /* REGIMM (rt field) opcodes */ #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16)) enum { OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, OPC_TGEI = (0x08 << 16) | OPC_REGIMM, OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, OPC_TLTI = (0x0A << 16) | OPC_REGIMM, OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, OPC_TEQI = (0x0C << 16) | OPC_REGIMM, OPC_TNEI = (0x0E << 16) | OPC_REGIMM, OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, }; /* Special2 opcodes */ #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F) enum { /* Multiply & xxx operations */ OPC_MADD = 0x00 | OPC_SPECIAL2, OPC_MADDU = 0x01 | OPC_SPECIAL2, OPC_MUL = 0x02 | OPC_SPECIAL2, OPC_MSUB = 0x04 | OPC_SPECIAL2, OPC_MSUBU = 0x05 | OPC_SPECIAL2, /* Misc */ OPC_CLZ = 0x20 | OPC_SPECIAL2, OPC_CLO = 0x21 | OPC_SPECIAL2, OPC_DCLZ = 0x24 | OPC_SPECIAL2, OPC_DCLO = 0x25 | OPC_SPECIAL2, /* Special */ OPC_SDBBP = 0x3F | OPC_SPECIAL2, }; /* Special3 opcodes */ #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) enum { OPC_EXT = 0x00 | OPC_SPECIAL3, OPC_DEXTM = 0x01 | OPC_SPECIAL3, OPC_DEXTU = 0x02 | OPC_SPECIAL3, OPC_DEXT = 0x03 | OPC_SPECIAL3, OPC_INS = 0x04 | OPC_SPECIAL3, OPC_DINSM = 0x05 | OPC_SPECIAL3, OPC_DINSU = 0x06 | OPC_SPECIAL3, OPC_DINS = 0x07 | OPC_SPECIAL3, OPC_FORK = 0x08 | OPC_SPECIAL3, OPC_YIELD = 0x09 | OPC_SPECIAL3, OPC_BSHFL = 0x20 | OPC_SPECIAL3, OPC_DBSHFL = 0x24 | OPC_SPECIAL3, OPC_RDHWR = 0x3B | OPC_SPECIAL3, }; /* BSHFL opcodes */ #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) enum { OPC_WSBH = (0x02 << 6) | OPC_BSHFL, OPC_SEB = (0x10 << 6) | OPC_BSHFL, OPC_SEH = (0x18 << 6) | OPC_BSHFL, }; /* DBSHFL opcodes */ #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) enum { OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, }; /* Coprocessor 0 (rs field) */ #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) enum { OPC_MFC0 = (0x00 << 21) | OPC_CP0, OPC_DMFC0 = (0x01 << 21) | OPC_CP0, OPC_MTC0 = (0x04 << 21) | OPC_CP0, OPC_DMTC0 = (0x05 << 21) | OPC_CP0, OPC_MFTR = (0x08 << 21) | OPC_CP0, OPC_RDPGPR = (0x0A << 21) | OPC_CP0, OPC_MFMC0 = (0x0B << 21) | OPC_CP0, OPC_MTTR = (0x0C << 21) | OPC_CP0, OPC_WRPGPR = (0x0E << 21) | OPC_CP0, OPC_C0 = (0x10 << 21) | OPC_CP0, OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, OPC_C0_LAST = (0x1F << 21) | OPC_CP0, }; /* MFMC0 opcodes */ #define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) enum { OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, }; /* Coprocessor 0 (with rs == C0) */ #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) enum { OPC_TLBR = 0x01 | OPC_C0, OPC_TLBWI = 0x02 | OPC_C0, OPC_TLBWR = 0x06 | OPC_C0, OPC_TLBP = 0x08 | OPC_C0, OPC_RFE = 0x10 | OPC_C0, OPC_ERET = 0x18 | OPC_C0, OPC_DERET = 0x1F | OPC_C0, OPC_WAIT = 0x20 | OPC_C0, }; /* Coprocessor 1 (rs field) */ #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) enum { OPC_MFC1 = (0x00 << 21) | OPC_CP1, OPC_DMFC1 = (0x01 << 21) | OPC_CP1, OPC_CFC1 = (0x02 << 21) | OPC_CP1, OPC_MFHC1 = (0x03 << 21) | OPC_CP1, OPC_MTC1 = (0x04 << 21) | OPC_CP1, OPC_DMTC1 = (0x05 << 21) | OPC_CP1, OPC_CTC1 = (0x06 << 21) | OPC_CP1, OPC_MTHC1 = (0x07 << 21) | OPC_CP1, OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */ OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */ OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */ OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ }; #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) #define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) enum { OPC_BC1F = (0x00 << 16) | OPC_BC1, OPC_BC1T = (0x01 << 16) | OPC_BC1, OPC_BC1FL = (0x02 << 16) | OPC_BC1, OPC_BC1TL = (0x03 << 16) | OPC_BC1, }; enum { OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, }; enum { OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, }; #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) enum { OPC_MFC2 = (0x00 << 21) | OPC_CP2, OPC_DMFC2 = (0x01 << 21) | OPC_CP2, OPC_CFC2 = (0x02 << 21) | OPC_CP2, OPC_MFHC2 = (0x03 << 21) | OPC_CP2, OPC_MTC2 = (0x04 << 21) | OPC_CP2, OPC_DMTC2 = (0x05 << 21) | OPC_CP2, OPC_CTC2 = (0x06 << 21) | OPC_CP2, OPC_MTHC2 = (0x07 << 21) | OPC_CP2, OPC_BC2 = (0x08 << 21) | OPC_CP2, }; #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) enum { OPC_LWXC1 = 0x00 | OPC_CP3, OPC_LDXC1 = 0x01 | OPC_CP3, OPC_LUXC1 = 0x05 | OPC_CP3, OPC_SWXC1 = 0x08 | OPC_CP3, OPC_SDXC1 = 0x09 | OPC_CP3, OPC_SUXC1 = 0x0D | OPC_CP3, OPC_PREFX = 0x0F | OPC_CP3, OPC_ALNV_PS = 0x1E | OPC_CP3, OPC_MADD_S = 0x20 | OPC_CP3, OPC_MADD_D = 0x21 | OPC_CP3, OPC_MADD_PS = 0x26 | OPC_CP3, OPC_MSUB_S = 0x28 | OPC_CP3, OPC_MSUB_D = 0x29 | OPC_CP3, OPC_MSUB_PS = 0x2E | OPC_CP3, OPC_NMADD_S = 0x30 | OPC_CP3, OPC_NMADD_D = 0x31 | OPC_CP3, OPC_NMADD_PS= 0x36 | OPC_CP3, OPC_NMSUB_S = 0x38 | OPC_CP3, OPC_NMSUB_D = 0x39 | OPC_CP3, OPC_NMSUB_PS= 0x3E | OPC_CP3, }; /* global register indices */ static TCGv_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; #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; /* 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, args...) \ qemu_log_mask(CPU_LOG_TB_IN_ASM, \ TARGET_FMT_lx ": %08x " fmt "\n", \ ctx->pc, ctx->opcode , ##args) #define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) #else #define MIPS_DEBUG(fmt, args...) 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; } #define FOP_CONDS(type, fmt, bits) \ static inline void gen_cmp ## type ## _ ## fmt(int n, TCGv_i##bits a, \ TCGv_i##bits b, int cc) \ { \ switch (n) { \ case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, a, b, cc); break;\ case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, a, b, cc); break;\ case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, a, b, cc); break;\ case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, a, b, cc); break;\ case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, a, b, cc); break;\ case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, a, b, cc); break;\ case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, a, b, cc); break;\ case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, a, b, cc); break;\ case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, a, b, cc); break;\ case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, a, b, cc); break;\ case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, a, b, cc); break;\ case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, a, b, cc); break;\ case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, a, b, cc); break;\ case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, a, b, cc); break;\ case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, a, b, cc); break;\ case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, a, b, cc); break;\ default: abort(); \ } \ } FOP_CONDS(, d, 64) FOP_CONDS(abs, d, 64) FOP_CONDS(, s, 32) FOP_CONDS(abs, s, 32) FOP_CONDS(, ps, 64) FOP_CONDS(abs, ps, 64) #undef FOP_CONDS /* Tests */ #define OP_COND(name, cond) \ static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, TCGv t1) \ { \ int l1 = gen_new_label(); \ int l2 = gen_new_label(); \ \ tcg_gen_brcond_tl(cond, t0, t1, l1); \ tcg_gen_movi_tl(ret, 0); \ tcg_gen_br(l2); \ gen_set_label(l1); \ tcg_gen_movi_tl(ret, 1); \ gen_set_label(l2); \ } OP_COND(eq, TCG_COND_EQ); OP_COND(ne, TCG_COND_NE); OP_COND(ge, TCG_COND_GE); OP_COND(geu, TCG_COND_GEU); OP_COND(lt, TCG_COND_LT); OP_COND(ltu, TCG_COND_LTU); #undef OP_COND #define OP_CONDI(name, cond) \ static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, target_ulong val) \ { \ int l1 = gen_new_label(); \ int l2 = gen_new_label(); \ \ tcg_gen_brcondi_tl(cond, t0, val, l1); \ tcg_gen_movi_tl(ret, 0); \ tcg_gen_br(l2); \ gen_set_label(l1); \ tcg_gen_movi_tl(ret, 1); \ gen_set_label(l2); \ } OP_CONDI(lti, TCG_COND_LT); OP_CONDI(ltiu, TCG_COND_LTU); #undef OP_CONDI #define OP_CONDZ(name, cond) \ static inline void glue(gen_op_, name) (TCGv ret, TCGv t0) \ { \ int l1 = gen_new_label(); \ int l2 = gen_new_label(); \ \ tcg_gen_brcondi_tl(cond, t0, 0, l1); \ tcg_gen_movi_tl(ret, 0); \ tcg_gen_br(l2); \ gen_set_label(l1); \ tcg_gen_movi_tl(ret, 1); \ gen_set_label(l2); \ } OP_CONDZ(gez, TCG_COND_GE); OP_CONDZ(gtz, TCG_COND_GT); OP_CONDZ(lez, TCG_COND_LE); OP_CONDZ(ltz, TCG_COND_LT); #undef OP_CONDZ static inline void gen_save_pc(target_ulong pc) { 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) { 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) { 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 t0, TCGv t1) { tcg_gen_add_tl(t0, t0, t1); #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(t0, t0); } #endif } static inline void check_cp0_enabled(DisasContext *ctx) { if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) generate_exception_err(ctx, EXCP_CpU, 1); } 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); } /* load/store instructions. */ #define OP_LD(insn,fname) \ static inline void op_ldst_##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_ldst_##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 #define OP_LD_ATOMIC(insn,fname) \ static inline void op_ldst_##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, CP0_LLAddr)); \ tcg_temp_free(t0); \ } OP_LD_ATOMIC(ll,ld32s); #if defined(TARGET_MIPS64) OP_LD_ATOMIC(lld,ld64); #endif #undef OP_LD_ATOMIC #define OP_ST_ATOMIC(insn,fname,almask) \ static inline void op_ldst_##insn(TCGv ret, TCGv arg1, TCGv arg2, DisasContext *ctx) \ { \ TCGv t0 = tcg_temp_new(); \ int l1 = gen_new_label(); \ int l2 = gen_new_label(); \ int l3 = 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, CP0_LLAddr)); \ tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \ tcg_temp_free(t0); \ tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \ tcg_gen_movi_tl(ret, 1); \ tcg_gen_br(l3); \ gen_set_label(l2); \ tcg_gen_movi_tl(ret, 0); \ gen_set_label(l3); \ } OP_ST_ATOMIC(sc,st32,0x3); #if defined(TARGET_MIPS64) OP_ST_ATOMIC(scd,st64,0x7); #endif #undef OP_ST_ATOMIC /* Load and store */ static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, int base, int16_t offset) { const char *opn = "ldst"; TCGv t0 = tcg_temp_new(); TCGv t1 = tcg_temp_new(); if (base == 0) { tcg_gen_movi_tl(t0, offset); } else if (offset == 0) { gen_load_gpr(t0, base); } else { tcg_gen_movi_tl(t0, offset); gen_op_addr_add(ctx, t0, cpu_gpr[base]); } /* Don't do NOP if destination is zero: we must perform the actual memory access. */ switch (opc) { #if defined(TARGET_MIPS64) case OPC_LWU: save_cpu_state(ctx, 0); op_ldst_lwu(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "lwu"; break; case OPC_LD: save_cpu_state(ctx, 0); op_ldst_ld(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "ld"; break; case OPC_LLD: save_cpu_state(ctx, 0); op_ldst_lld(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "lld"; break; case OPC_SD: save_cpu_state(ctx, 0); gen_load_gpr(t1, rt); op_ldst_sd(t1, t0, ctx); opn = "sd"; 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_SDL: save_cpu_state(ctx, 1); gen_load_gpr(t1, rt); gen_helper_2i(sdl, t1, t0, ctx->mem_idx); opn = "sdl"; 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_SDR: save_cpu_state(ctx, 1); gen_load_gpr(t1, rt); gen_helper_2i(sdr, t1, t0, ctx->mem_idx); opn = "sdr"; break; #endif case OPC_LW: save_cpu_state(ctx, 0); op_ldst_lw(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "lw"; break; case OPC_SW: save_cpu_state(ctx, 0); gen_load_gpr(t1, rt); op_ldst_sw(t1, t0, ctx); opn = "sw"; break; case OPC_LH: save_cpu_state(ctx, 0); op_ldst_lh(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "lh"; break; case OPC_SH: save_cpu_state(ctx, 0); gen_load_gpr(t1, rt); op_ldst_sh(t1, t0, ctx); opn = "sh"; break; case OPC_LHU: save_cpu_state(ctx, 0); op_ldst_lhu(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "lhu"; break; case OPC_LB: save_cpu_state(ctx, 0); op_ldst_lb(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "lb"; break; case OPC_SB: save_cpu_state(ctx, 0); gen_load_gpr(t1, rt); op_ldst_sb(t1, t0, ctx); opn = "sb"; break; case OPC_LBU: save_cpu_state(ctx, 0); op_ldst_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_SWL: save_cpu_state(ctx, 1); gen_load_gpr(t1, rt); gen_helper_2i(swl, t1, t0, ctx->mem_idx); opn = "swr"; 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_SWR: save_cpu_state(ctx, 1); gen_load_gpr(t1, rt); gen_helper_2i(swr, t1, t0, ctx->mem_idx); opn = "swr"; break; case OPC_LL: save_cpu_state(ctx, 0); op_ldst_ll(t0, t0, ctx); gen_store_gpr(t0, rt); opn = "ll"; break; } 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(); if (base == 0) { tcg_gen_movi_tl(t0, offset); } else if (offset == 0) { gen_load_gpr(t0, base); } else { tcg_gen_movi_tl(t0, offset); gen_op_addr_add(ctx, t0, cpu_gpr[base]); } /* 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, 0); op_ldst_scd(t0, t1, t0, ctx); opn = "scd"; break; #endif case OPC_SC: save_cpu_state(ctx, 0); op_ldst_sc(t0, t1, t0, ctx); opn = "sc"; break; } MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]); tcg_temp_free(t1); gen_store_gpr(t0, rt); 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(); if (base == 0) { tcg_gen_movi_tl(t0, offset); } else if (offset == 0) { gen_load_gpr(t0, base); } else { tcg_gen_movi_tl(t0, offset); gen_op_addr_add(ctx, t0, cpu_gpr[base]); } /* 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; } MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]); out: tcg_temp_free(t0); } /* 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 } 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; } 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: gen_op_lti(cpu_gpr[rt], t0, uimm); opn = "slti"; break; case OPC_SLTIU: gen_op_ltiu(cpu_gpr[rt], t0, uimm); opn = "sltiu"; break; } 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_ext32s_tl(t0, t0); tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); opn = "sra"; break; case OPC_SRL: switch ((ctx->opcode >> 21) & 0x1f) { case 0: 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 1: /* rotr is decoded as srl on non-R2 CPUs */ if (env->insn_flags & ISA_MIPS32R2) { 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); } opn = "rotr"; } else { 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; default: MIPS_INVAL("invalid srl flag"); generate_exception(ctx, EXCP_RI); break; } break; #if defined(TARGET_MIPS64) case OPC_DSLL: tcg_gen_shli_tl(cpu_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: switch ((ctx->opcode >> 21) & 0x1f) { case 0: tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); opn = "dsrl"; break; case 1: /* drotr is decoded as dsrl on non-R2 CPUs */ if (env->insn_flags & ISA_MIPS32R2) { if (uimm != 0) { tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); } opn = "drotr"; } else { tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); opn = "dsrl"; } break; default: MIPS_INVAL("invalid dsrl flag"); generate_exception(ctx, EXCP_RI); break; } break; case OPC_DSLL32: tcg_gen_shli_tl(cpu_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: switch ((ctx->opcode >> 21) & 0x1f) { case 0: tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32); opn = "dsrl32"; break; case 1: /* drotr32 is decoded as dsrl32 on non-R2 CPUs */ if (env->insn_flags & ISA_MIPS32R2) { tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32); opn = "drotr32"; } else { tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32); opn = "dsrl32"; } break; default: MIPS_INVAL("invalid dsrl32 flag"); generate_exception(ctx, EXCP_RI); break; } break; #endif } 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_not_tl(t1, t1); tcg_gen_xor_tl(t2, t0, t2); 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, 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 same sign, 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]); } 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_not_tl(t1, t1); tcg_gen_xor_tl(t2, t0, t2); 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, 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 same sign, 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; } 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); 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; } 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: gen_op_lt(cpu_gpr[rd], t0, t1); opn = "slt"; break; case OPC_SLTU: gen_op_ltu(cpu_gpr[rd], t0, t1); opn = "sltu"; break; } 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_ext32s_tl(t1, t1); tcg_gen_andi_tl(t0, t0, 0x1f); tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); opn = "srav"; break; case OPC_SRLV: switch ((ctx->opcode >> 6) & 0x1f) { case 0: 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 1: /* rotrv is decoded as srlv on non-R2 CPUs */ if (env->insn_flags & ISA_MIPS32R2) { 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"; } else { 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; default: MIPS_INVAL("invalid srlv flag"); generate_exception(ctx, EXCP_RI); break; } 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: switch ((ctx->opcode >> 6) & 0x1f) { case 0: tcg_gen_andi_tl(t0, t0, 0x3f); tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); opn = "dsrlv"; break; case 1: /* drotrv is decoded as dsrlv on non-R2 CPUs */ if (env->insn_flags & ISA_MIPS32R2) { tcg_gen_andi_tl(t0, t0, 0x3f); tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); opn = "drotrv"; } else { tcg_gen_andi_tl(t0, t0, 0x3f); tcg_gen_shr_tl(t0, t1, t0); opn = "dsrlv"; } break; default: MIPS_INVAL("invalid dsrlv flag"); generate_exception(ctx, EXCP_RI); break; } break; #endif } 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; } 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_LO[1], 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, 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 = "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, 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 = "msubu"; break; default: MIPS_INVAL(opn); generate_exception(ctx, EXCP_RI); goto out; } 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); 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 } MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]); tcg_temp_free(t0); } /* 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)) { tcg_gen_goto_tb(n); gen_save_pc(dest); tcg_gen_exit_tb((long)tb + n); } else { gen_save_pc(dest); tcg_gen_exit_tb(0); } } /* Branches (before delay slot) */ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, int rs, int rt, int32_t offset) { target_ulong 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 + 4 + offset; break; case OPC_BGEZ: case OPC_BGEZAL: case OPC_BGEZALL: case OPC_BGEZL: case OPC_BGTZ: case OPC_BGTZL: case OPC_BLEZ: case OPC_BLEZL: case OPC_BLTZ: case OPC_BLTZAL: case OPC_BLTZALL: case OPC_BLTZL: /* Compare to zero */ if (rs != 0) { gen_load_gpr(t0, rs); bcond_compute = 1; } btgt = ctx->pc + 4 + offset; break; case OPC_J: case OPC_JAL: /* Jump to immediate */ btgt = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; break; case OPC_JR: case OPC_JALR: /* Jump to register */ if (offset != 0 && offset != 16) { /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the others are reserved. */ MIPS_INVAL("jump hint"); generate_exception(ctx, EXCP_RI); 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_BGEZAL: /* 0 >= 0 */ case OPC_BGEZALL: /* 0 >= 0 likely */ /* Always take and link */ blink = 31; ctx->hflags |= MIPS_HFLAG_B; MIPS_DEBUG("balways and link"); break; case OPC_BNE: /* rx != rx */ case OPC_BGTZ: /* 0 > 0 */ case OPC_BLTZ: /* 0 < 0 */ /* Treat as NOP. */ MIPS_DEBUG("bnever (NOP)"); goto out; case OPC_BLTZAL: /* 0 < 0 */ tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); MIPS_DEBUG("bnever and link"); goto out; 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_JAL: blink = 31; ctx->hflags |= MIPS_HFLAG_B; MIPS_DEBUG("jal " TARGET_FMT_lx, btgt); break; case OPC_JR: ctx->hflags |= MIPS_HFLAG_BR; MIPS_DEBUG("jr %s", regnames[rs]); break; case OPC_JALR: blink = rt; ctx->hflags |= MIPS_HFLAG_BR; MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]); break; default: MIPS_INVAL("branch/jump"); generate_exception(ctx, EXCP_RI); goto out; } } else { switch (opc) { case OPC_BEQ: gen_op_eq(bcond, t0, t1); MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx, regnames[rs], regnames[rt], btgt); goto not_likely; case OPC_BEQL: gen_op_eq(bcond, t0, t1); MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx, regnames[rs], regnames[rt], btgt); goto likely; case OPC_BNE: gen_op_ne(bcond, t0, t1); MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx, regnames[rs], regnames[rt], btgt); goto not_likely; case OPC_BNEL: gen_op_ne(bcond, t0, t1); MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx, regnames[rs], regnames[rt], btgt); goto likely; case OPC_BGEZ: gen_op_gez(bcond, t0); MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt); goto not_likely; case OPC_BGEZL: gen_op_gez(bcond, t0); MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt); goto likely; case OPC_BGEZAL: gen_op_gez(bcond, t0); MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt); blink = 31; goto not_likely; case OPC_BGEZALL: gen_op_gez(bcond, t0); blink = 31; MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt); goto likely; case OPC_BGTZ: gen_op_gtz(bcond, t0); MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt); goto not_likely; case OPC_BGTZL: gen_op_gtz(bcond, t0); MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt); goto likely; case OPC_BLEZ: gen_op_lez(bcond, t0); MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt); goto not_likely; case OPC_BLEZL: gen_op_lez(bcond, t0); MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt); goto likely; case OPC_BLTZ: gen_op_ltz(bcond, t0); MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt); goto not_likely; case OPC_BLTZL: gen_op_ltz(bcond, t0); MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt); goto likely; case OPC_BLTZAL: gen_op_ltz(bcond, t0); blink = 31; MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt); not_likely: ctx->hflags |= MIPS_HFLAG_BC; break; case OPC_BLTZALL: gen_op_ltz(bcond, t0); 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) { tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + 8); } out: 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; 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(); 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; } 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: /* ignored */ 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; } 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(); 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; } 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); gen_helper_mtc0_cause(arg); 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: /* ignored */ 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; } 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; } 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_or_i32(t0, t0, t1); tcg_temp_free_i32(t1); tcg_gen_not_i32(t0, t0); 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_or_i32(t0, t0, t1); tcg_temp_free_i32(t1); tcg_gen_not_i32(t0, t0); 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; } 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)) 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; } 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, 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, 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, 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, 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, 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, uint32_t op1, int ft, int fs, int fd, int cc) { const char *opn = "farith"; const char *condnames[] = { "c.f", "c.un", "c.eq", "c.ueq", "c.olt", "c.ult", "c.ole", "c.ule", "c.sf", "c.ngle", "c.seq", "c.ngl", "c.lt", "c.nge", "c.le", "c.ngt", }; const char *condnames_abs[] = { "cabs.f", "cabs.un", "cabs.eq", "cabs.ueq", "cabs.olt", "cabs.ult", "cabs.ole", "cabs.ule", "cabs.sf", "cabs.ngle", "cabs.seq", "cabs.ngl", "cabs.lt", "cabs.nge", "cabs.le", "cabs.ngt", }; enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP; uint32_t func = ctx->opcode & 0x3f; switch (ctx->opcode & FOP(0x3f, 0x1f)) { case FOP(0, 16): { 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 FOP(1, 16): { 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 FOP(2, 16): { 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 FOP(3, 16): { 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 FOP(4, 16): { 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 FOP(5, 16): { 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 FOP(6, 16): { 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 FOP(7, 16): { 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 FOP(8, 16): 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 FOP(9, 16): 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 FOP(10, 16): 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 FOP(11, 16): 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 FOP(12, 16): { 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 FOP(13, 16): { 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 FOP(14, 16): { 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 FOP(15, 16): { 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 FOP(17, 16): gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1); opn = "movcf.s"; break; case FOP(18, 16): { 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 FOP(19, 16): { 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 FOP(21, 16): 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 FOP(22, 16): 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 FOP(28, 16): 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 FOP(29, 16): 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 FOP(30, 16): 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 FOP(31, 16): 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 FOP(33, 16): 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 FOP(36, 16): { 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 FOP(37, 16): 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 FOP(38, 16): 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 FOP(48, 16): case FOP(49, 16): case FOP(50, 16): case FOP(51, 16): case FOP(52, 16): case FOP(53, 16): case FOP(54, 16): case FOP(55, 16): case FOP(56, 16): case FOP(57, 16): case FOP(58, 16): case FOP(59, 16): case FOP(60, 16): case FOP(61, 16): case FOP(62, 16): case FOP(63, 16): { TCGv_i32 fp0 = tcg_temp_new_i32(); TCGv_i32 fp1 = tcg_temp_new_i32(); gen_load_fpr32(fp0, fs); gen_load_fpr32(fp1, ft); if (ctx->opcode & (1 << 6)) { check_cop1x(ctx); gen_cmpabs_s(func-48, fp0, fp1, cc); opn = condnames_abs[func-48]; } else { gen_cmp_s(func-48, fp0, fp1, cc); opn = condnames[func-48]; } tcg_temp_free_i32(fp0); tcg_temp_free_i32(fp1); } break; case FOP(0, 17): 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 FOP(1, 17): 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 FOP(2, 17): 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 FOP(3, 17): 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 FOP(4, 17): 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 FOP(5, 17): 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 FOP(6, 17): 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 FOP(7, 17): 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 FOP(8, 17): 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 FOP(9, 17): 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 FOP(10, 17): 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 FOP(11, 17): 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 FOP(12, 17): 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 FOP(13, 17): 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 FOP(14, 17): 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 FOP(15, 17): 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 FOP(17, 17): gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); opn = "movcf.d"; break; case FOP(18, 17): { 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 FOP(19, 17): { 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 FOP(21, 17): 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 FOP(22, 17): 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 FOP(28, 17): 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 FOP(29, 17): 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 FOP(30, 17): 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 FOP(31, 17): 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 FOP(48, 17): case FOP(49, 17): case FOP(50, 17): case FOP(51, 17): case FOP(52, 17): case FOP(53, 17): case FOP(54, 17): case FOP(55, 17): case FOP(56, 17): case FOP(57, 17): case FOP(58, 17): case FOP(59, 17): case FOP(60, 17): case FOP(61, 17): case FOP(62, 17): case FOP(63, 17): { 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); if (ctx->opcode & (1 << 6)) { check_cop1x(ctx); check_cp1_registers(ctx, fs | ft); gen_cmpabs_d(func-48, fp0, fp1, cc); opn = condnames_abs[func-48]; } else { check_cp1_registers(ctx, fs | ft); gen_cmp_d(func-48, fp0, fp1, cc); opn = condnames[func-48]; } tcg_temp_free_i64(fp0); tcg_temp_free_i64(fp1); } break; case FOP(32, 17): 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 FOP(36, 17): 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 FOP(37, 17): 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 FOP(32, 20): { 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 FOP(33, 20): 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 FOP(32, 21): 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 FOP(33, 21): 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 FOP(38, 20): 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 FOP(0, 22): 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 FOP(1, 22): 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 FOP(2, 22): 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 FOP(5, 22): 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 FOP(6, 22): 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 FOP(7, 22): 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 FOP(17, 22): check_cp1_64bitmode(ctx); gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1); opn = "movcf.ps"; break; case FOP(18, 22): 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 FOP(19, 22): 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 FOP(24, 22): 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 FOP(26, 22): 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 FOP(28, 22): 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 FOP(29, 22): 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 FOP(30, 22): 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 FOP(31, 22): 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 FOP(32, 22): 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 FOP(36, 22): 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 FOP(40, 22): 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 FOP(44, 22): 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 FOP(45, 22): 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 FOP(46, 22): 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 FOP(47, 22): 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 FOP(48, 22): case FOP(49, 22): case FOP(50, 22): case FOP(51, 22): case FOP(52, 22): case FOP(53, 22): case FOP(54, 22): case FOP(55, 22): case FOP(56, 22): case FOP(57, 22): case FOP(58, 22): case FOP(59, 22): case FOP(60, 22): case FOP(61, 22): case FOP(62, 22): case FOP(63, 22): check_cp1_64bitmode(ctx); { 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); if (ctx->opcode & (1 << 6)) { gen_cmpabs_ps(func-48, fp0, fp1, cc); opn = condnames_abs[func-48]; } else { gen_cmp_ps(func-48, fp0, fp1, cc); opn = condnames[func-48]; } tcg_temp_free_i64(fp0); tcg_temp_free_i64(fp1); } break; default: MIPS_INVAL(opn); generate_exception (ctx, EXCP_RI); return; } switch (optype) { case BINOP: MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]); break; case CMPOP: MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]); break; default: MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]); break; } } /* Coprocessor 3 (FPU) */ static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, int fd, int fs, int base, int index) { const char *opn = "extended float load/store"; int store = 0; 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]); } /* 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); 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; } MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr], fregnames[fs], fregnames[ft]); } /* ISA extensions (ASEs) */ /* MIPS16 extension to MIPS32 */ /* SmartMIPS extension to MIPS32 */ #if defined(TARGET_MIPS64) /* MDMX extension to MIPS64 */ #endif static void decode_opc (CPUState *env, DisasContext *ctx) { int32_t offset; int rs, rt, rd, sa; uint32_t op, op1, op2; int16_t imm; /* make sure instructions are on a word boundary */ if (ctx->pc & 0x3) { env->CP0_BadVAddr = ctx->pc; generate_exception(ctx, EXCP_AdEL); return; } /* Handle blikely not taken case */ if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) { 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); } 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: case OPC_SRL: gen_shift_imm(env, ctx, op1, rd, rt, sa); break; case OPC_MOVN: /* Conditional move */ case OPC_MOVZ: check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); 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_SRLV: case OPC_SRAV: gen_shift(env, ctx, op1, rd, rs, rt); 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, rs, rd, sa); return; case OPC_TGE ... OPC_TEQ: /* Traps */ case OPC_TNE: gen_trap(ctx, op1, rs, rt, -1); break; case OPC_MFHI: /* Move from HI/LO */ case OPC_MFLO: gen_HILO(ctx, op1, rd); break; case OPC_MTHI: case OPC_MTLO: /* Move to HI/LO */ gen_HILO(ctx, op1, rs); break; case OPC_PMON: /* Pmon entry point, also R4010 selsl */ #ifdef MIPS_STRICT_STANDARD MIPS_INVAL("PMON / selsl"); generate_exception(ctx, EXCP_RI); #else gen_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_DSRL: case OPC_DSLL32: case OPC_DSRA32: case OPC_DSRL32: check_insn(env, ctx, ISA_MIPS3); check_mips_64(ctx); gen_shift_imm(env, ctx, op1, rd, rt, sa); 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: case OPC_DSRLV: check_insn(env, ctx, ISA_MIPS3); check_mips_64(ctx); gen_shift(env, ctx, op1, rd, rs, rt); break; case OPC_DMULT ... OPC_DDIVU: check_insn(env, ctx, ISA_MIPS3); check_mips_64(ctx); gen_muldiv(ctx, op1, rs, rt); break; #endif default: /* Invalid */ MIPS_INVAL("special"); generate_exception(ctx, EXCP_RI); break; } break; case OPC_SPECIAL2: op1 = MASK_SPECIAL2(ctx->opcode); switch (op1) { case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ case OPC_MSUB ... OPC_MSUBU: check_insn(env, ctx, ISA_MIPS32); gen_muldiv(ctx, op1, rs, rt); break; case OPC_MUL: gen_arith(env, ctx, op1, rd, rs, rt); break; case OPC_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; #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; #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: check_insn(env, ctx, ISA_MIPS32R2); { TCGv 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); } 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; #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; #endif default: /* Invalid */ MIPS_INVAL("special3"); generate_exception(ctx, EXCP_RI); break; } break; case OPC_REGIMM: op1 = MASK_REGIMM(ctx->opcode); switch (op1) { case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ case OPC_BLTZAL ... OPC_BGEZALL: gen_compute_branch(ctx, op1, rs, -1, imm << 2); return; case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ case OPC_TNEI: gen_trap(ctx, op1, rs, -1, imm); break; case OPC_SYNCI: check_insn(env, ctx, ISA_MIPS32R2); /* Treat as NOP. */ break; default: /* Invalid */ MIPS_INVAL("regimm"); generate_exception(ctx, EXCP_RI); break; } break; case OPC_CP0: check_cp0_enabled(ctx); op1 = MASK_CP0(ctx->opcode); switch (op1) { case OPC_MFC0: case OPC_MTC0: case OPC_MFTR: case OPC_MTTR: #if defined(TARGET_MIPS64) case OPC_DMFC0: case OPC_DMTC0: #endif #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, t0); gen_store_gpr(t0, rt); break; case OPC_EMT: check_insn(env, ctx, ASE_MT); gen_helper_emt(t0, t0); gen_store_gpr(t0, rt); break; case OPC_DVPE: check_insn(env, ctx, ASE_MT); gen_helper_dvpe(t0, t0); gen_store_gpr(t0, rt); break; case OPC_EVPE: check_insn(env, ctx, ASE_MT); gen_helper_evpe(t0, 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, rs, rt, offset); return; case OPC_BEQ ... OPC_BGTZ: /* Branch */ case OPC_BEQL ... OPC_BGTZL: gen_compute_branch(ctx, op, rs, rt, imm << 2); return; case OPC_LB ... OPC_LWR: /* Load and stores */ case OPC_SB ... OPC_SW: case OPC_SWR: case OPC_LL: gen_ldst(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: 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); } 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); return; case OPC_S_FMT: case OPC_D_FMT: case OPC_W_FMT: case OPC_L_FMT: case OPC_PS_FMT: gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, (imm >> 8) & 0x7); break; default: MIPS_INVAL("cp1"); generate_exception (ctx, EXCP_RI); break; } } else { generate_exception_err(ctx, EXCP_CpU, 1); } break; /* COP2. */ case OPC_LWC2: case OPC_LDC2: case OPC_SWC2: case OPC_SDC2: case OPC_CP2: /* COP2: Not implemented. */ generate_exception_err(ctx, EXCP_CpU, 2); break; case OPC_CP3: if (env->CP0_Config1 & (1 << CP0C1_FP)) { check_cp1_enabled(ctx); op1 = MASK_CP3(ctx->opcode); switch (op1) { case OPC_LWXC1: case OPC_LDXC1: case OPC_LUXC1: case OPC_SWXC1: case OPC_SDXC1: case OPC_SUXC1: gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); break; case OPC_PREFX: /* Treat as NOP. */ break; case OPC_ALNV_PS: case OPC_MADD_S: case OPC_MADD_D: case OPC_MADD_PS: case OPC_MSUB_S: case OPC_MSUB_D: case OPC_MSUB_PS: case OPC_NMADD_S: case OPC_NMADD_D: case OPC_NMADD_PS: case OPC_NMSUB_S: case OPC_NMSUB_D: case OPC_NMSUB_PS: gen_flt3_arith(ctx, op1, sa, rs, rd, rt); break; default: MIPS_INVAL("cp3"); generate_exception (ctx, EXCP_RI); break; } } else { generate_exception_err(ctx, EXCP_CpU, 1); } break; #if defined(TARGET_MIPS64) /* MIPS64 opcodes */ case OPC_LWU: case OPC_LDL ... OPC_LDR: case OPC_SDL ... OPC_SDR: case OPC_LLD: case OPC_LD: case OPC_SD: check_insn(env, ctx, ISA_MIPS3); check_mips_64(ctx); gen_ldst(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); /* MIPS16: Not implemented. */ case OPC_MDMX: check_insn(env, ctx, ASE_MDMX); /* MDMX: Not implemented. */ default: /* Invalid */ MIPS_INVAL("major opcode"); generate_exception(ctx, EXCP_RI); break; } if (ctx->hflags & MIPS_HFLAG_BMASK) { int hflags = ctx->hflags & MIPS_HFLAG_BMASK; /* Branches completion */ ctx->hflags &= ~MIPS_HFLAG_BMASK; ctx->bstate = BS_BRANCH; save_cpu_state(ctx, 0); /* FIXME: Need to clear can_do_io. */ switch (hflags) { case MIPS_HFLAG_B: /* unconditional branch */ MIPS_DEBUG("unconditional branch"); gen_goto_tb(ctx, 0, ctx->btarget); break; case MIPS_HFLAG_BL: /* blikely taken case */ MIPS_DEBUG("blikely branch taken"); gen_goto_tb(ctx, 0, ctx->btarget); break; case MIPS_HFLAG_BC: /* Conditional branch */ MIPS_DEBUG("conditional branch"); { int l1 = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); gen_goto_tb(ctx, 1, ctx->pc + 4); gen_set_label(l1); gen_goto_tb(ctx, 0, ctx->btarget); } break; case MIPS_HFLAG_BR: /* unconditional branch to register */ MIPS_DEBUG("branch to register"); tcg_gen_mov_tl(cpu_PC, btarget); tcg_gen_exit_tb(0); break; default: MIPS_DEBUG("unknown branch"); 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; if (search_pc) qemu_log("search pc %d\n", search_pc); pc_start = tb->pc; /* Leave some spare opc slots for branch handling. */ gen_opc_end = gen_opc_buf + OPC_MAX_SIZE - 16; ctx.pc = pc_start; ctx.saved_pc = -1; ctx.tb = tb; ctx.bstate = BS_NONE; /* Restore delay slot state from the tb context. */ ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */ restore_cpu_state(env, &ctx); #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; #ifdef DEBUG_DISAS qemu_log_mask(CPU_LOG_TB_CPU, "------------------------------------------------\n"); /* FIXME: This may print out stale hflags from env... */ log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0); #endif 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(!TAILQ_EMPTY(&env->breakpoints))) { TAILQ_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(); ctx.opcode = ldl_code(ctx.pc); decode_opc(env, &ctx); ctx.pc += 4; num_insns++; if (env->singlestep_enabled) 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) { save_cpu_state(&ctx, ctx.bstate == BS_NONE); gen_helper_0i(raise_exception, EXCP_DEBUG); } else { switch (ctx.bstate) { case BS_STOP: gen_helper_interrupt_restart(); gen_goto_tb(&ctx, 0, ctx.pc); break; case BS_NONE: save_cpu_state(&ctx, 0); gen_goto_tb(&ctx, 0, ctx.pc); break; case BS_EXCP: gen_helper_interrupt_restart(); 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"); } qemu_log_mask(CPU_LOG_TB_CPU, "---------------- %d %08x\n", ctx.bstate, ctx.hflags); #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, int (*fpu_fprintf)(FILE *f, const char *fmt, ...), int flags) { int i; int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64); #define printfpr(fp) \ do { \ if (is_fpu64) \ fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \ (fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ (fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ else { \ fpr_t tmp; \ tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \ fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \ tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ } \ } while(0) fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n", env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, env->active_fpu.fp_status, 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, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), 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->CP0_LLAddr)) cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr); } #endif void cpu_dump_state (CPUState *env, FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...), int flags) { int i; cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n", env->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->CP0_LLAddr); if (env->hflags & MIPS_HFLAG_FPU) fpu_dump_state(env, f, cpu_fprintf, flags); #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS) cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); #endif } static void mips_tcg_init(void) { 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; cpu_exec_init(env); env->cpu_model_str = cpu_model; mips_tcg_init(); cpu_reset(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); /* Minimal init */ #if defined(CONFIG_USER_ONLY) env->hflags = MIPS_HFLAG_UM; #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_Wired = 0; /* SMP not implemented */ env->CP0_EBase = 0x80000000; env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); /* vectored interrupts not implemented, timer on int 7, no performance counters. */ env->CP0_IntCtl = 0xe0000000; { int i; for (i = 0; i < 7; i++) { env->CP0_WatchLo[i] = 0; env->CP0_WatchHi[i] = 0x80000000; } env->CP0_WatchLo[7] = 0; env->CP0_WatchHi[7] = 0; } /* Count register increments in debug mode, EJTAG version 1 */ env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); env->hflags = MIPS_HFLAG_CP0; #endif env->exception_index = EXCP_NONE; cpu_mips_register(env, env->cpu_model); } void gen_pc_load(CPUState *env, TranslationBlock *tb, unsigned long searched_pc, int pc_pos, void *puc) { env->active_tc.PC = gen_opc_pc[pc_pos]; env->hflags &= ~MIPS_HFLAG_BMASK; env->hflags |= gen_opc_hflags[pc_pos]; }