diff options
Diffstat (limited to 'target-mips/translate.c')
| -rw-r--r-- | target-mips/translate.c | 3121 |
1 files changed, 2837 insertions, 284 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index c95ecb1..d43d72d 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -4,7 +4,7 @@ * Copyright (c) 2004-2005 Jocelyn Mayer * Copyright (c) 2006 Marius Groeger (FPU operations) * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) - * Copyright (c) 2009 CodeSourcery (MIPS16 support) + * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -68,6 +68,7 @@ enum { /* Jump and branches */ OPC_J = (0x02 << 26), OPC_JAL = (0x03 << 26), + OPC_JALS = OPC_JAL | 0x5, OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ OPC_BEQL = (0x14 << 26), OPC_BNE = (0x05 << 26), @@ -77,6 +78,7 @@ enum { OPC_BGTZ = (0x07 << 26), OPC_BGTZL = (0x17 << 26), OPC_JALX = (0x1D << 26), /* MIPS 16 only */ + OPC_JALXS = OPC_JALX | 0x5, /* Load and stores */ OPC_LDL = (0x1A << 26), OPC_LDR = (0x1B << 26), @@ -177,6 +179,7 @@ enum { OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ OPC_JALRC = OPC_JALR | (0x5 << 6), + OPC_JALRS = 0x10 | OPC_SPECIAL | (0x5 << 6), /* Traps */ OPC_TGE = 0x30 | OPC_SPECIAL, OPC_TGEU = 0x31 | OPC_SPECIAL, @@ -240,8 +243,10 @@ enum { OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, + OPC_BLTZALS = OPC_BLTZAL | 0x5, /* microMIPS */ OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, + OPC_BGEZALS = OPC_BGEZAL | 0x5, /* microMIPS */ OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, OPC_TGEI = (0x08 << 16) | OPC_REGIMM, OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, @@ -354,6 +359,19 @@ enum { /* Coprocessor 1 (rs field) */ #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) +/* Values for the fmt field in FP instructions */ +enum { + /* 0 - 15 are reserved */ + FMT_S = 16, /* single fp */ + FMT_D = 17, /* double fp */ + FMT_E = 18, /* extended fp */ + FMT_Q = 19, /* quad fp */ + FMT_W = 20, /* 32-bit fixed */ + FMT_L = 21, /* 64-bit fixed */ + FMT_PS = 22, /* paired single fp */ + /* 23 - 31 are reserved */ +}; + enum { OPC_MFC1 = (0x00 << 21) | OPC_CP1, OPC_DMFC1 = (0x01 << 21) | OPC_CP1, @@ -366,13 +384,13 @@ enum { 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 */ + OPC_S_FMT = (FMT_S << 21) | OPC_CP1, + OPC_D_FMT = (FMT_D << 21) | OPC_CP1, + OPC_E_FMT = (FMT_E << 21) | OPC_CP1, + OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1, + OPC_W_FMT = (FMT_W << 21) | OPC_CP1, + OPC_L_FMT = (FMT_L << 21) | OPC_CP1, + OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1, }; #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) @@ -663,39 +681,6 @@ static inline int get_fp_bit (int cc) 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 */ static inline void gen_save_pc(target_ulong pc) { @@ -836,6 +821,69 @@ static inline void check_mips_64(DisasContext *ctx) generate_exception(ctx, EXCP_RI); } +/* Define small wrappers for gen_load_fpr* so that we have a uniform + calling interface for 32 and 64-bit FPRs. No sense in changing + all callers for gen_load_fpr32 when we need the CTX parameter for + this one use. */ +#define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(x, y) +#define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y) +#define FOP_CONDS(type, abs, fmt, ifmt, bits) \ +static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \ + int ft, int fs, int cc) \ +{ \ + TCGv_i##bits fp0 = tcg_temp_new_i##bits (); \ + TCGv_i##bits fp1 = tcg_temp_new_i##bits (); \ + switch (ifmt) { \ + case FMT_PS: \ + check_cp1_64bitmode(ctx); \ + break; \ + case FMT_D: \ + if (abs) { \ + check_cop1x(ctx); \ + } \ + check_cp1_registers(ctx, fs | ft); \ + break; \ + case FMT_S: \ + if (abs) { \ + check_cop1x(ctx); \ + } \ + break; \ + } \ + gen_ldcmp_fpr##bits (ctx, fp0, fs); \ + gen_ldcmp_fpr##bits (ctx, fp1, ft); \ + switch (n) { \ + case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\ + case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\ + case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\ + case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\ + case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\ + case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\ + case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\ + case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\ + case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\ + case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\ + case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\ + case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\ + case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\ + case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\ + case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\ + case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\ + default: abort(); \ + } \ + tcg_temp_free_i##bits (fp0); \ + tcg_temp_free_i##bits (fp1); \ +} + +FOP_CONDS(, 0, d, FMT_D, 64) +FOP_CONDS(abs, 1, d, FMT_D, 64) +FOP_CONDS(, 0, s, FMT_S, 32) +FOP_CONDS(abs, 1, s, FMT_S, 32) +FOP_CONDS(, 0, ps, FMT_PS, 64) +FOP_CONDS(abs, 1, ps, FMT_PS, 64) +#undef FOP_CONDS +#undef gen_ldcmp_fpr32 +#undef gen_ldcmp_fpr64 + /* load/store instructions. */ #define OP_LD(insn,fname) \ static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ @@ -1220,6 +1268,17 @@ static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, tcg_temp_free(t0); } +static void gen_cop1_ldst(CPUState *env, DisasContext *ctx, + uint32_t op, int rt, int rs, int16_t imm) +{ + if (env->CP0_Config1 & (1 << CP0C1_FP)) { + check_cp1_enabled(ctx); + gen_flt_ldst(ctx, op, rt, rs, imm); + } else { + generate_exception_err(ctx, EXCP_CpU, 1); + } +} + /* Arithmetic with immediate operand */ static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rs, int16_t imm) @@ -2392,6 +2451,7 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, break; case OPC_BGEZ: case OPC_BGEZAL: + case OPC_BGEZALS: case OPC_BGEZALL: case OPC_BGEZL: case OPC_BGTZ: @@ -2400,6 +2460,7 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, case OPC_BLEZL: case OPC_BLTZ: case OPC_BLTZAL: + case OPC_BLTZALS: case OPC_BLTZALL: case OPC_BLTZL: /* Compare to zero */ @@ -2412,12 +2473,15 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, case OPC_J: case OPC_JAL: case OPC_JALX: + case OPC_JALS: + case OPC_JALXS: /* Jump to immediate */ btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset; break; case OPC_JR: case OPC_JALR: case OPC_JALRC: + case OPC_JALRS: /* Jump to register */ if (offset != 0 && offset != 16) { /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the @@ -2446,8 +2510,12 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, ctx->hflags |= MIPS_HFLAG_B; MIPS_DEBUG("balways"); break; + case OPC_BGEZALS: case OPC_BGEZAL: /* 0 >= 0 */ case OPC_BGEZALL: /* 0 >= 0 likely */ + ctx->hflags |= (opc == OPC_BGEZALS + ? MIPS_HFLAG_BDS16 + : MIPS_HFLAG_BDS32); /* Always take and link */ blink = 31; ctx->hflags |= MIPS_HFLAG_B; @@ -2459,10 +2527,18 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, /* Treat as NOP. */ MIPS_DEBUG("bnever (NOP)"); goto out; + case OPC_BLTZALS: case OPC_BLTZAL: /* 0 < 0 */ - tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); + ctx->hflags |= (opc == OPC_BLTZALS + ? MIPS_HFLAG_BDS16 + : MIPS_HFLAG_BDS32); + /* Handle as an unconditional branch to get correct delay + slot checking. */ + blink = 31; + btgt = ctx->pc + (opc == OPC_BLTZALS ? 6 : 8); + ctx->hflags |= MIPS_HFLAG_B; MIPS_DEBUG("bnever and link"); - goto out; + break; case OPC_BLTZALL: /* 0 < 0 likely */ tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); /* Skip the instruction in the delay slot */ @@ -2480,29 +2556,33 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, ctx->hflags |= MIPS_HFLAG_B; MIPS_DEBUG("j " TARGET_FMT_lx, btgt); break; + case OPC_JALXS: case OPC_JALX: ctx->hflags |= MIPS_HFLAG_BX; /* Fallthrough */ + case OPC_JALS: case OPC_JAL: blink = 31; ctx->hflags |= MIPS_HFLAG_B; - ctx->hflags |= (ctx->hflags & MIPS_HFLAG_M16 + ctx->hflags |= ((opc == OPC_JALS || opc == OPC_JALXS) ? MIPS_HFLAG_BDS16 : MIPS_HFLAG_BDS32); MIPS_DEBUG("jal " TARGET_FMT_lx, btgt); break; case OPC_JR: ctx->hflags |= MIPS_HFLAG_BR; - if (ctx->hflags & MIPS_HFLAG_M16) - ctx->hflags |= MIPS_HFLAG_BDS16; + if (insn_bytes == 4) + ctx->hflags |= MIPS_HFLAG_BDS32; MIPS_DEBUG("jr %s", regnames[rs]); break; + case OPC_JALRS: case OPC_JALR: case OPC_JALRC: blink = rt; ctx->hflags |= MIPS_HFLAG_BR; - if (ctx->hflags & MIPS_HFLAG_M16) - ctx->hflags |= MIPS_HFLAG_BDS16; + ctx->hflags |= (opc == OPC_JALRS + ? MIPS_HFLAG_BDS16 + : MIPS_HFLAG_BDS32); MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]); break; default: @@ -2540,7 +2620,11 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt); goto likely; + case OPC_BGEZALS: case OPC_BGEZAL: + ctx->hflags |= (opc == OPC_BGEZALS + ? MIPS_HFLAG_BDS16 + : MIPS_HFLAG_BDS32); tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt); blink = 31; @@ -2574,7 +2658,11 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt); goto likely; + case OPC_BLTZALS: case OPC_BLTZAL: + ctx->hflags |= (opc == OPC_BLTZALS + ? MIPS_HFLAG_BDS16 + : MIPS_HFLAG_BDS32); tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); blink = 31; MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt); @@ -5703,6 +5791,146 @@ static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, #define FOP(func, fmt) (((fmt) << 21) | (func)) +enum fopcode { + OPC_ADD_S = FOP(0, FMT_S), + OPC_SUB_S = FOP(1, FMT_S), + OPC_MUL_S = FOP(2, FMT_S), + OPC_DIV_S = FOP(3, FMT_S), + OPC_SQRT_S = FOP(4, FMT_S), + OPC_ABS_S = FOP(5, FMT_S), + OPC_MOV_S = FOP(6, FMT_S), + OPC_NEG_S = FOP(7, FMT_S), + OPC_ROUND_L_S = FOP(8, FMT_S), + OPC_TRUNC_L_S = FOP(9, FMT_S), + OPC_CEIL_L_S = FOP(10, FMT_S), + OPC_FLOOR_L_S = FOP(11, FMT_S), + OPC_ROUND_W_S = FOP(12, FMT_S), + OPC_TRUNC_W_S = FOP(13, FMT_S), + OPC_CEIL_W_S = FOP(14, FMT_S), + OPC_FLOOR_W_S = FOP(15, FMT_S), + OPC_MOVCF_S = FOP(17, FMT_S), + OPC_MOVZ_S = FOP(18, FMT_S), + OPC_MOVN_S = FOP(19, FMT_S), + OPC_RECIP_S = FOP(21, FMT_S), + OPC_RSQRT_S = FOP(22, FMT_S), + OPC_RECIP2_S = FOP(28, FMT_S), + OPC_RECIP1_S = FOP(29, FMT_S), + OPC_RSQRT1_S = FOP(30, FMT_S), + OPC_RSQRT2_S = FOP(31, FMT_S), + OPC_CVT_D_S = FOP(33, FMT_S), + OPC_CVT_W_S = FOP(36, FMT_S), + OPC_CVT_L_S = FOP(37, FMT_S), + OPC_CVT_PS_S = FOP(38, FMT_S), + OPC_CMP_F_S = FOP (48, FMT_S), + OPC_CMP_UN_S = FOP (49, FMT_S), + OPC_CMP_EQ_S = FOP (50, FMT_S), + OPC_CMP_UEQ_S = FOP (51, FMT_S), + OPC_CMP_OLT_S = FOP (52, FMT_S), + OPC_CMP_ULT_S = FOP (53, FMT_S), + OPC_CMP_OLE_S = FOP (54, FMT_S), + OPC_CMP_ULE_S = FOP (55, FMT_S), + OPC_CMP_SF_S = FOP (56, FMT_S), + OPC_CMP_NGLE_S = FOP (57, FMT_S), + OPC_CMP_SEQ_S = FOP (58, FMT_S), + OPC_CMP_NGL_S = FOP (59, FMT_S), + OPC_CMP_LT_S = FOP (60, FMT_S), + OPC_CMP_NGE_S = FOP (61, FMT_S), + OPC_CMP_LE_S = FOP (62, FMT_S), + OPC_CMP_NGT_S = FOP (63, FMT_S), + + OPC_ADD_D = FOP(0, FMT_D), + OPC_SUB_D = FOP(1, FMT_D), + OPC_MUL_D = FOP(2, FMT_D), + OPC_DIV_D = FOP(3, FMT_D), + OPC_SQRT_D = FOP(4, FMT_D), + OPC_ABS_D = FOP(5, FMT_D), + OPC_MOV_D = FOP(6, FMT_D), + OPC_NEG_D = FOP(7, FMT_D), + OPC_ROUND_L_D = FOP(8, FMT_D), + OPC_TRUNC_L_D = FOP(9, FMT_D), + OPC_CEIL_L_D = FOP(10, FMT_D), + OPC_FLOOR_L_D = FOP(11, FMT_D), + OPC_ROUND_W_D = FOP(12, FMT_D), + OPC_TRUNC_W_D = FOP(13, FMT_D), + OPC_CEIL_W_D = FOP(14, FMT_D), + OPC_FLOOR_W_D = FOP(15, FMT_D), + OPC_MOVCF_D = FOP(17, FMT_D), + OPC_MOVZ_D = FOP(18, FMT_D), + OPC_MOVN_D = FOP(19, FMT_D), + OPC_RECIP_D = FOP(21, FMT_D), + OPC_RSQRT_D = FOP(22, FMT_D), + OPC_RECIP2_D = FOP(28, FMT_D), + OPC_RECIP1_D = FOP(29, FMT_D), + OPC_RSQRT1_D = FOP(30, FMT_D), + OPC_RSQRT2_D = FOP(31, FMT_D), + OPC_CVT_S_D = FOP(32, FMT_D), + OPC_CVT_W_D = FOP(36, FMT_D), + OPC_CVT_L_D = FOP(37, FMT_D), + OPC_CMP_F_D = FOP (48, FMT_D), + OPC_CMP_UN_D = FOP (49, FMT_D), + OPC_CMP_EQ_D = FOP (50, FMT_D), + OPC_CMP_UEQ_D = FOP (51, FMT_D), + OPC_CMP_OLT_D = FOP (52, FMT_D), + OPC_CMP_ULT_D = FOP (53, FMT_D), + OPC_CMP_OLE_D = FOP (54, FMT_D), + OPC_CMP_ULE_D = FOP (55, FMT_D), + OPC_CMP_SF_D = FOP (56, FMT_D), + OPC_CMP_NGLE_D = FOP (57, FMT_D), + OPC_CMP_SEQ_D = FOP (58, FMT_D), + OPC_CMP_NGL_D = FOP (59, FMT_D), + OPC_CMP_LT_D = FOP (60, FMT_D), + OPC_CMP_NGE_D = FOP (61, FMT_D), + OPC_CMP_LE_D = FOP (62, FMT_D), + OPC_CMP_NGT_D = FOP (63, FMT_D), + + OPC_CVT_S_W = FOP(32, FMT_W), + OPC_CVT_D_W = FOP(33, FMT_W), + OPC_CVT_S_L = FOP(32, FMT_L), + OPC_CVT_D_L = FOP(33, FMT_L), + OPC_CVT_PS_PW = FOP(38, FMT_W), + + OPC_ADD_PS = FOP(0, FMT_PS), + OPC_SUB_PS = FOP(1, FMT_PS), + OPC_MUL_PS = FOP(2, FMT_PS), + OPC_DIV_PS = FOP(3, FMT_PS), + OPC_ABS_PS = FOP(5, FMT_PS), + OPC_MOV_PS = FOP(6, FMT_PS), + OPC_NEG_PS = FOP(7, FMT_PS), + OPC_MOVCF_PS = FOP(17, FMT_PS), + OPC_MOVZ_PS = FOP(18, FMT_PS), + OPC_MOVN_PS = FOP(19, FMT_PS), + OPC_ADDR_PS = FOP(24, FMT_PS), + OPC_MULR_PS = FOP(26, FMT_PS), + OPC_RECIP2_PS = FOP(28, FMT_PS), + OPC_RECIP1_PS = FOP(29, FMT_PS), + OPC_RSQRT1_PS = FOP(30, FMT_PS), + OPC_RSQRT2_PS = FOP(31, FMT_PS), + + OPC_CVT_S_PU = FOP(32, FMT_PS), + OPC_CVT_PW_PS = FOP(36, FMT_PS), + OPC_CVT_S_PL = FOP(40, FMT_PS), + OPC_PLL_PS = FOP(44, FMT_PS), + OPC_PLU_PS = FOP(45, FMT_PS), + OPC_PUL_PS = FOP(46, FMT_PS), + OPC_PUU_PS = FOP(47, FMT_PS), + OPC_CMP_F_PS = FOP (48, FMT_PS), + OPC_CMP_UN_PS = FOP (49, FMT_PS), + OPC_CMP_EQ_PS = FOP (50, FMT_PS), + OPC_CMP_UEQ_PS = FOP (51, FMT_PS), + OPC_CMP_OLT_PS = FOP (52, FMT_PS), + OPC_CMP_ULT_PS = FOP (53, FMT_PS), + OPC_CMP_OLE_PS = FOP (54, FMT_PS), + OPC_CMP_ULE_PS = FOP (55, FMT_PS), + OPC_CMP_SF_PS = FOP (56, FMT_PS), + OPC_CMP_NGLE_PS = FOP (57, FMT_PS), + OPC_CMP_SEQ_PS = FOP (58, FMT_PS), + OPC_CMP_NGL_PS = FOP (59, FMT_PS), + OPC_CMP_LT_PS = FOP (60, FMT_PS), + OPC_CMP_NGE_PS = FOP (61, FMT_PS), + OPC_CMP_LE_PS = FOP (62, FMT_PS), + OPC_CMP_NGT_PS = FOP (63, FMT_PS), +}; + static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) { const char *opn = "cp1 move"; @@ -5883,7 +6111,7 @@ static inline void gen_movcf_ps (int fs, int fd, int cc, int tf) } -static void gen_farith (DisasContext *ctx, uint32_t op1, +static void gen_farith (DisasContext *ctx, enum fopcode op1, int ft, int fs, int fd, int cc) { const char *opn = "farith"; @@ -5926,8 +6154,8 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP; uint32_t func = ctx->opcode & 0x3f; - switch (ctx->opcode & FOP(0x3f, 0x1f)) { - case FOP(0, 16): + switch (op1) { + case OPC_ADD_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); TCGv_i32 fp1 = tcg_temp_new_i32(); @@ -5942,7 +6170,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "add.s"; optype = BINOP; break; - case FOP(1, 16): + case OPC_SUB_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); TCGv_i32 fp1 = tcg_temp_new_i32(); @@ -5957,7 +6185,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "sub.s"; optype = BINOP; break; - case FOP(2, 16): + case OPC_MUL_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); TCGv_i32 fp1 = tcg_temp_new_i32(); @@ -5972,7 +6200,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "mul.s"; optype = BINOP; break; - case FOP(3, 16): + case OPC_DIV_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); TCGv_i32 fp1 = tcg_temp_new_i32(); @@ -5987,7 +6215,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "div.s"; optype = BINOP; break; - case FOP(4, 16): + case OPC_SQRT_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -5998,7 +6226,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "sqrt.s"; break; - case FOP(5, 16): + case OPC_ABS_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6009,7 +6237,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "abs.s"; break; - case FOP(6, 16): + case OPC_MOV_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6019,7 +6247,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "mov.s"; break; - case FOP(7, 16): + case OPC_NEG_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6030,7 +6258,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "neg.s"; break; - case FOP(8, 16): + case OPC_ROUND_L_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6044,7 +6272,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "round.l.s"; break; - case FOP(9, 16): + case OPC_TRUNC_L_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6058,7 +6286,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "trunc.l.s"; break; - case FOP(10, 16): + case OPC_CEIL_L_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6072,7 +6300,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "ceil.l.s"; break; - case FOP(11, 16): + case OPC_FLOOR_L_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6086,7 +6314,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "floor.l.s"; break; - case FOP(12, 16): + case OPC_ROUND_W_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6097,7 +6325,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "round.w.s"; break; - case FOP(13, 16): + case OPC_TRUNC_W_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6108,7 +6336,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "trunc.w.s"; break; - case FOP(14, 16): + case OPC_CEIL_W_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6119,7 +6347,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "ceil.w.s"; break; - case FOP(15, 16): + case OPC_FLOOR_W_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6130,11 +6358,11 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "floor.w.s"; break; - case FOP(17, 16): + case OPC_MOVCF_S: gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1); opn = "movcf.s"; break; - case FOP(18, 16): + case OPC_MOVZ_S: { int l1 = gen_new_label(); TCGv_i32 fp0; @@ -6150,7 +6378,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "movz.s"; break; - case FOP(19, 16): + case OPC_MOVN_S: { int l1 = gen_new_label(); TCGv_i32 fp0; @@ -6166,7 +6394,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "movn.s"; break; - case FOP(21, 16): + case OPC_RECIP_S: check_cop1x(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6178,7 +6406,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip.s"; break; - case FOP(22, 16): + case OPC_RSQRT_S: check_cop1x(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6190,7 +6418,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "rsqrt.s"; break; - case FOP(28, 16): + case OPC_RECIP2_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6205,7 +6433,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip2.s"; break; - case FOP(29, 16): + case OPC_RECIP1_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6217,7 +6445,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip1.s"; break; - case FOP(30, 16): + case OPC_RSQRT1_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6229,7 +6457,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "rsqrt1.s"; break; - case FOP(31, 16): + case OPC_RSQRT2_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6244,7 +6472,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "rsqrt2.s"; break; - case FOP(33, 16): + case OPC_CVT_D_S: check_cp1_registers(ctx, fd); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6258,7 +6486,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.d.s"; break; - case FOP(36, 16): + case OPC_CVT_W_S: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6269,7 +6497,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.w.s"; break; - case FOP(37, 16): + case OPC_CVT_L_S: check_cp1_64bitmode(ctx); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6283,7 +6511,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.l.s"; break; - case FOP(38, 16): + case OPC_CVT_PS_S: check_cp1_64bitmode(ctx); { TCGv_i64 fp64 = tcg_temp_new_i64(); @@ -6300,41 +6528,31 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } 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); + case OPC_CMP_F_S: + case OPC_CMP_UN_S: + case OPC_CMP_EQ_S: + case OPC_CMP_UEQ_S: + case OPC_CMP_OLT_S: + case OPC_CMP_ULT_S: + case OPC_CMP_OLE_S: + case OPC_CMP_ULE_S: + case OPC_CMP_SF_S: + case OPC_CMP_NGLE_S: + case OPC_CMP_SEQ_S: + case OPC_CMP_NGL_S: + case OPC_CMP_LT_S: + case OPC_CMP_NGE_S: + case OPC_CMP_LE_S: + case OPC_CMP_NGT_S: + if (ctx->opcode & (1 << 6)) { + gen_cmpabs_s(ctx, func-48, ft, fs, cc); + opn = condnames_abs[func-48]; + } else { + gen_cmp_s(ctx, func-48, ft, fs, cc); + opn = condnames[func-48]; } break; - case FOP(0, 17): + case OPC_ADD_D: check_cp1_registers(ctx, fs | ft | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6350,7 +6568,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "add.d"; optype = BINOP; break; - case FOP(1, 17): + case OPC_SUB_D: check_cp1_registers(ctx, fs | ft | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6366,7 +6584,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "sub.d"; optype = BINOP; break; - case FOP(2, 17): + case OPC_MUL_D: check_cp1_registers(ctx, fs | ft | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6382,7 +6600,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "mul.d"; optype = BINOP; break; - case FOP(3, 17): + case OPC_DIV_D: check_cp1_registers(ctx, fs | ft | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6398,7 +6616,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, opn = "div.d"; optype = BINOP; break; - case FOP(4, 17): + case OPC_SQRT_D: check_cp1_registers(ctx, fs | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6410,7 +6628,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "sqrt.d"; break; - case FOP(5, 17): + case OPC_ABS_D: check_cp1_registers(ctx, fs | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6422,7 +6640,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "abs.d"; break; - case FOP(6, 17): + case OPC_MOV_D: check_cp1_registers(ctx, fs | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6433,7 +6651,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "mov.d"; break; - case FOP(7, 17): + case OPC_NEG_D: check_cp1_registers(ctx, fs | fd); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6445,7 +6663,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "neg.d"; break; - case FOP(8, 17): + case OPC_ROUND_L_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6457,7 +6675,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "round.l.d"; break; - case FOP(9, 17): + case OPC_TRUNC_L_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6469,7 +6687,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "trunc.l.d"; break; - case FOP(10, 17): + case OPC_CEIL_L_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6481,7 +6699,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "ceil.l.d"; break; - case FOP(11, 17): + case OPC_FLOOR_L_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6493,7 +6711,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "floor.l.d"; break; - case FOP(12, 17): + case OPC_ROUND_W_D: check_cp1_registers(ctx, fs); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6507,7 +6725,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "round.w.d"; break; - case FOP(13, 17): + case OPC_TRUNC_W_D: check_cp1_registers(ctx, fs); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6521,7 +6739,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "trunc.w.d"; break; - case FOP(14, 17): + case OPC_CEIL_W_D: check_cp1_registers(ctx, fs); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6535,7 +6753,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "ceil.w.d"; break; - case FOP(15, 17): + case OPC_FLOOR_W_D: check_cp1_registers(ctx, fs); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6549,11 +6767,11 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "floor.w.d"; break; - case FOP(17, 17): + case OPC_MOVCF_D: gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); opn = "movcf.d"; break; - case FOP(18, 17): + case OPC_MOVZ_D: { int l1 = gen_new_label(); TCGv_i64 fp0; @@ -6569,7 +6787,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "movz.d"; break; - case FOP(19, 17): + case OPC_MOVN_D: { int l1 = gen_new_label(); TCGv_i64 fp0; @@ -6585,7 +6803,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "movn.d"; break; - case FOP(21, 17): + case OPC_RECIP_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6597,7 +6815,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip.d"; break; - case FOP(22, 17): + case OPC_RSQRT_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6609,7 +6827,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "rsqrt.d"; break; - case FOP(28, 17): + case OPC_RECIP2_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6624,7 +6842,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip2.d"; break; - case FOP(29, 17): + case OPC_RECIP1_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6636,7 +6854,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip1.d"; break; - case FOP(30, 17): + case OPC_RSQRT1_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6648,7 +6866,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "rsqrt1.d"; break; - case FOP(31, 17): + case OPC_RSQRT2_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6663,43 +6881,31 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } 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); + case OPC_CMP_F_D: + case OPC_CMP_UN_D: + case OPC_CMP_EQ_D: + case OPC_CMP_UEQ_D: + case OPC_CMP_OLT_D: + case OPC_CMP_ULT_D: + case OPC_CMP_OLE_D: + case OPC_CMP_ULE_D: + case OPC_CMP_SF_D: + case OPC_CMP_NGLE_D: + case OPC_CMP_SEQ_D: + case OPC_CMP_NGL_D: + case OPC_CMP_LT_D: + case OPC_CMP_NGE_D: + case OPC_CMP_LE_D: + case OPC_CMP_NGT_D: + if (ctx->opcode & (1 << 6)) { + gen_cmpabs_d(ctx, func-48, ft, fs, cc); + opn = condnames_abs[func-48]; + } else { + gen_cmp_d(ctx, func-48, ft, fs, cc); + opn = condnames[func-48]; } break; - case FOP(32, 17): + case OPC_CVT_S_D: check_cp1_registers(ctx, fs); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6713,7 +6919,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.s.d"; break; - case FOP(36, 17): + case OPC_CVT_W_D: check_cp1_registers(ctx, fs); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6727,7 +6933,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.w.d"; break; - case FOP(37, 17): + case OPC_CVT_L_D: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6739,7 +6945,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.l.d"; break; - case FOP(32, 20): + case OPC_CVT_S_W: { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -6750,7 +6956,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.s.w"; break; - case FOP(33, 20): + case OPC_CVT_D_W: check_cp1_registers(ctx, fd); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6764,7 +6970,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.d.w"; break; - case FOP(32, 21): + case OPC_CVT_S_L: check_cp1_64bitmode(ctx); { TCGv_i32 fp32 = tcg_temp_new_i32(); @@ -6778,7 +6984,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.s.l"; break; - case FOP(33, 21): + case OPC_CVT_D_L: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6790,7 +6996,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.d.l"; break; - case FOP(38, 20): + case OPC_CVT_PS_PW: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6802,7 +7008,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.ps.pw"; break; - case FOP(0, 22): + case OPC_ADD_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6817,7 +7023,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "add.ps"; break; - case FOP(1, 22): + case OPC_SUB_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6832,7 +7038,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "sub.ps"; break; - case FOP(2, 22): + case OPC_MUL_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6847,7 +7053,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "mul.ps"; break; - case FOP(5, 22): + case OPC_ABS_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6859,7 +7065,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "abs.ps"; break; - case FOP(6, 22): + case OPC_MOV_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6870,7 +7076,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "mov.ps"; break; - case FOP(7, 22): + case OPC_NEG_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6882,12 +7088,12 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "neg.ps"; break; - case FOP(17, 22): + case OPC_MOVCF_PS: check_cp1_64bitmode(ctx); gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1); opn = "movcf.ps"; break; - case FOP(18, 22): + case OPC_MOVZ_PS: check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); @@ -6903,7 +7109,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "movz.ps"; break; - case FOP(19, 22): + case OPC_MOVN_PS: check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); @@ -6920,7 +7126,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "movn.ps"; break; - case FOP(24, 22): + case OPC_ADDR_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6935,7 +7141,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "addr.ps"; break; - case FOP(26, 22): + case OPC_MULR_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6950,7 +7156,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "mulr.ps"; break; - case FOP(28, 22): + case OPC_RECIP2_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6965,7 +7171,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip2.ps"; break; - case FOP(29, 22): + case OPC_RECIP1_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6977,7 +7183,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "recip1.ps"; break; - case FOP(30, 22): + case OPC_RSQRT1_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -6989,7 +7195,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "rsqrt1.ps"; break; - case FOP(31, 22): + case OPC_RSQRT2_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -7004,7 +7210,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "rsqrt2.ps"; break; - case FOP(32, 22): + case OPC_CVT_S_PU: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -7016,7 +7222,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.s.pu"; break; - case FOP(36, 22): + case OPC_CVT_PW_PS: check_cp1_64bitmode(ctx); { TCGv_i64 fp0 = tcg_temp_new_i64(); @@ -7028,7 +7234,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.pw.ps"; break; - case FOP(40, 22): + case OPC_CVT_S_PL: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -7040,7 +7246,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "cvt.s.pl"; break; - case FOP(44, 22): + case OPC_PLL_PS: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -7055,7 +7261,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "pll.ps"; break; - case FOP(45, 22): + case OPC_PLU_PS: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -7070,7 +7276,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "plu.ps"; break; - case FOP(46, 22): + case OPC_PUL_PS: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -7085,7 +7291,7 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } opn = "pul.ps"; break; - case FOP(47, 22): + case OPC_PUU_PS: check_cp1_64bitmode(ctx); { TCGv_i32 fp0 = tcg_temp_new_i32(); @@ -7100,38 +7306,28 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, } 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); + case OPC_CMP_F_PS: + case OPC_CMP_UN_PS: + case OPC_CMP_EQ_PS: + case OPC_CMP_UEQ_PS: + case OPC_CMP_OLT_PS: + case OPC_CMP_ULT_PS: + case OPC_CMP_OLE_PS: + case OPC_CMP_ULE_PS: + case OPC_CMP_SF_PS: + case OPC_CMP_NGLE_PS: + case OPC_CMP_SEQ_PS: + case OPC_CMP_NGL_PS: + case OPC_CMP_LT_PS: + case OPC_CMP_NGE_PS: + case OPC_CMP_LE_PS: + case OPC_CMP_NGT_PS: + if (ctx->opcode & (1 << 6)) { + gen_cmpabs_ps(ctx, func-48, ft, fs, cc); + opn = condnames_abs[func-48]; + } else { + gen_cmp_ps(ctx, func-48, ft, fs, cc); + opn = condnames[func-48]; } break; default: @@ -7528,6 +7724,52 @@ static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, fregnames[fs], fregnames[ft]); } +static void +gen_rdhwr (CPUState *env, DisasContext *ctx, int rt, int rd) +{ + TCGv t0; + + check_insn(env, ctx, ISA_MIPS32R2); + t0 = tcg_temp_new(); + + switch (rd) { + case 0: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_cpunum(t0); + gen_store_gpr(t0, rt); + break; + case 1: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_synci_step(t0); + gen_store_gpr(t0, rt); + break; + case 2: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_cc(t0); + gen_store_gpr(t0, rt); + break; + case 3: + save_cpu_state(ctx, 1); + gen_helper_rdhwr_ccres(t0); + gen_store_gpr(t0, rt); + break; + case 29: +#if defined(CONFIG_USER_ONLY) + tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); + gen_store_gpr(t0, rt); + break; +#else + /* XXX: Some CPUs implement this in hardware. + Not supported yet. */ +#endif + default: /* Invalid */ + MIPS_INVAL("rdhwr"); + generate_exception(ctx, EXCP_RI); + break; + } + tcg_temp_free(t0); +} + static void handle_delay_slot (CPUState *env, DisasContext *ctx, int insn_bytes) { @@ -7567,7 +7809,7 @@ static void handle_delay_slot (CPUState *env, DisasContext *ctx, case MIPS_HFLAG_BR: /* unconditional branch to register */ MIPS_DEBUG("branch to register"); - if (env->insn_flags & ASE_MIPS16) { + if (env->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) { TCGv t0 = tcg_temp_new(); TCGv_i32 t1 = tcg_temp_new_i32(); @@ -8279,7 +8521,7 @@ static int decode_mips16_opc (CPUState *env, DisasContext *ctx, offset = (((ctx->opcode & 0x1f) << 21) | ((ctx->opcode >> 5) & 0x1f) << 16 | offset) << 2; - op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALX : OPC_JAL; + op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALXS : OPC_JALS; gen_compute_branch(ctx, op, 4, rx, ry, offset); n_bytes = 4; *is_branch = 1; @@ -8518,7 +8760,7 @@ static int decode_mips16_opc (CPUState *env, DisasContext *ctx, int ra = (ctx->opcode >> 5) & 0x1; if (link) { - op = nd ? OPC_JALRC : OPC_JALR; + op = nd ? OPC_JALRC : OPC_JALRS; } else { op = OPC_JR; } @@ -8688,6 +8930,2358 @@ static int decode_mips16_opc (CPUState *env, DisasContext *ctx, return n_bytes; } +/* microMIPS extension to MIPS32 */ + +/* microMIPS32 major opcodes */ + +enum { + POOL32A = 0x00, + POOL16A = 0x01, + LBU16 = 0x02, + MOVE16 = 0x03, + ADDI32 = 0x04, + LBU32 = 0x05, + SB32 = 0x06, + LB32 = 0x07, + + POOL32B = 0x08, + POOL16B = 0x09, + LHU16 = 0x0a, + ANDI16 = 0x0b, + ADDIU32 = 0x0c, + LHU32 = 0x0d, + SH32 = 0x0e, + LH32 = 0x0f, + + POOL32I = 0x10, + POOL16C = 0x11, + LWSP16 = 0x12, + POOL16D = 0x13, + ORI32 = 0x14, + POOL32F = 0x15, + POOL32S = 0x16, + DADDIU32 = 0x17, + + POOL32C = 0x18, + LWGP16 = 0x19, + LW16 = 0x1a, + POOL16E = 0x1b, + XORI32 = 0x1c, + JALS32 = 0x1d, + ADDIUPC = 0x1e, + POOL48A = 0x1f, + + /* 0x20 is reserved */ + RES_20 = 0x20, + POOL16F = 0x21, + SB16 = 0x22, + BEQZ16 = 0x23, + SLTI32 = 0x24, + BEQ32 = 0x25, + SWC132 = 0x26, + LWC132 = 0x27, + + /* 0x28 and 0x29 are reserved */ + RES_28 = 0x28, + RES_29 = 0x29, + SH16 = 0x2a, + BNEZ16 = 0x2b, + SLTIU32 = 0x2c, + BNE32 = 0x2d, + SDC132 = 0x2e, + LDC132 = 0x2f, + + /* 0x30 and 0x31 are reserved */ + RES_30 = 0x30, + RES_31 = 0x31, + SWSP16 = 0x32, + B16 = 0x33, + ANDI32 = 0x34, + J32 = 0x35, + SD32 = 0x36, + LD32 = 0x37, + + /* 0x38 and 0x39 are reserved */ + RES_38 = 0x38, + RES_39 = 0x39, + SW16 = 0x3a, + LI16 = 0x3b, + JALX32 = 0x3c, + JAL32 = 0x3d, + SW32 = 0x3e, + LW32 = 0x3f +}; + +/* POOL32A encoding of minor opcode field */ + +enum { + /* These opcodes are distinguished only by bits 9..6; those bits are + * what are recorded below. */ + SLL32 = 0x0, + SRL32 = 0x1, + SRA = 0x2, + ROTR = 0x3, + + SLLV = 0x0, + SRLV = 0x1, + SRAV = 0x2, + ROTRV = 0x3, + ADD = 0x4, + ADDU32 = 0x5, + SUB = 0x6, + SUBU32 = 0x7, + MUL = 0x8, + AND = 0x9, + OR32 = 0xa, + NOR = 0xb, + XOR32 = 0xc, + SLT = 0xd, + SLTU = 0xe, + + MOVN = 0x0, + MOVZ = 0x1, + LWXS = 0x4, + + /* The following can be distinguished by their lower 6 bits. */ + INS = 0x0c, + EXT = 0x2c, + POOL32AXF = 0x3c +}; + +/* POOL32AXF encoding of minor opcode field extension */ + +enum { + /* bits 11..6 */ + TEQ = 0x00, + TGE = 0x08, + TGEU = 0x10, + TLT = 0x20, + TLTU = 0x28, + TNE = 0x30, + + MFC0 = 0x03, + MTC0 = 0x0b, + + /* bits 13..12 for 0x01 */ + MFHI_ACC = 0x0, + MFLO_ACC = 0x1, + MTHI_ACC = 0x2, + MTLO_ACC = 0x3, + + /* bits 13..12 for 0x2a */ + MADD_ACC = 0x0, + MADDU_ACC = 0x1, + MSUB_ACC = 0x2, + MSUBU_ACC = 0x3, + + /* bits 13..12 for 0x32 */ + MULT_ACC = 0x0, + MULTU_ACC = 0x0, + + /* bits 15..12 for 0x2c */ + SEB = 0x2, + SEH = 0x3, + CLO = 0x4, + CLZ = 0x5, + RDHWR = 0x6, + WSBH = 0x7, + MULT = 0x8, + MULTU = 0x9, + DIV = 0xa, + DIVU = 0xb, + MADD = 0xc, + MADDU = 0xd, + MSUB = 0xe, + MSUBU = 0xf, + + /* bits 15..12 for 0x34 */ + MFC2 = 0x4, + MTC2 = 0x5, + MFHC2 = 0x8, + MTHC2 = 0x9, + CFC2 = 0xc, + CTC2 = 0xd, + + /* bits 15..12 for 0x3c */ + JALR = 0x0, + JR = 0x0, /* alias */ + JALR_HB = 0x1, + JALRS = 0x4, + JALRS_HB = 0x5, + + /* bits 15..12 for 0x05 */ + RDPGPR = 0xe, + WRPGPR = 0xf, + + /* bits 15..12 for 0x0d */ + TLBP = 0x0, + TLBR = 0x1, + TLBWI = 0x2, + TLBWR = 0x3, + WAIT = 0x9, + IRET = 0xd, + DERET = 0xe, + ERET = 0xf, + + /* bits 15..12 for 0x15 */ + DMT = 0x0, + DVPE = 0x1, + EMT = 0x2, + EVPE = 0x3, + + /* bits 15..12 for 0x1d */ + DI = 0x4, + EI = 0x5, + + /* bits 15..12 for 0x2d */ + SYNC = 0x6, + SYSCALL = 0x8, + SDBBP = 0xd, + + /* bits 15..12 for 0x35 */ + MFHI32 = 0x0, + MFLO32 = 0x1, + MTHI32 = 0x2, + MTLO32 = 0x3, +}; + +/* POOL32B encoding of minor opcode field (bits 15..12) */ + +enum { + LWC2 = 0x0, + LWP = 0x1, + LDP = 0x4, + LWM32 = 0x5, + CACHE = 0x6, + LDM = 0x7, + SWC2 = 0x8, + SWP = 0x9, + SDP = 0xc, + SWM32 = 0xd, + SDM = 0xf +}; + +/* POOL32C encoding of minor opcode field (bits 15..12) */ + +enum { + LWL = 0x0, + SWL = 0x8, + LWR = 0x1, + SWR = 0x9, + PREF = 0x2, + /* 0xa is reserved */ + LL = 0x3, + SC = 0xb, + LDL = 0x4, + SDL = 0xc, + LDR = 0x5, + SDR = 0xd, + /* 0x6 is reserved */ + LWU = 0xe, + LLD = 0x7, + SCD = 0xf +}; + +/* POOL32F encoding of minor opcode field (bits 5..0) */ + +enum { + /* These are the bit 7..6 values */ + ADD_FMT = 0x0, + MOVN_FMT = 0x0, + + SUB_FMT = 0x1, + MOVZ_FMT = 0x1, + + MUL_FMT = 0x2, + + DIV_FMT = 0x3, + + /* These are the bit 8..6 values */ + RSQRT2_FMT = 0x0, + MOVF_FMT = 0x0, + + LWXC1 = 0x1, + MOVT_FMT = 0x1, + + PLL_PS = 0x2, + SWXC1 = 0x2, + + PLU_PS = 0x3, + LDXC1 = 0x3, + + PUL_PS = 0x4, + SDXC1 = 0x4, + RECIP2_FMT = 0x4, + + PUU_PS = 0x5, + LUXC1 = 0x5, + + CVT_PS_S = 0x6, + SUXC1 = 0x6, + ADDR_PS = 0x6, + PREFX = 0x6, + + MULR_PS = 0x7, + + MADD_S = 0x01, + MADD_D = 0x09, + MADD_PS = 0x11, + ALNV_PS = 0x19, + MSUB_S = 0x21, + MSUB_D = 0x29, + MSUB_PS = 0x31, + + NMADD_S = 0x02, + NMADD_D = 0x0a, + NMADD_PS = 0x12, + NMSUB_S = 0x22, + NMSUB_D = 0x2a, + NMSUB_PS = 0x32, + + POOL32FXF = 0x3b, + + CABS_COND_FMT = 0x1c, /* MIPS3D */ + C_COND_FMT = 0x3c +}; + +/* POOL32Fxf encoding of minor opcode extension field */ + +enum { + CVT_L = 0x04, + RSQRT_FMT = 0x08, + FLOOR_L = 0x0c, + CVT_PW_PS = 0x1c, + CVT_W = 0x24, + SQRT_FMT = 0x28, + FLOOR_W = 0x2c, + CVT_PS_PW = 0x3c, + CFC1 = 0x40, + RECIP_FMT = 0x48, + CEIL_L = 0x4c, + CTC1 = 0x60, + CEIL_W = 0x6c, + MFC1 = 0x80, + CVT_S_PL = 0x84, + TRUNC_L = 0x8c, + MTC1 = 0xa0, + CVT_S_PU = 0xa4, + TRUNC_W = 0xac, + MFHC1 = 0xc0, + ROUND_L = 0xcc, + MTHC1 = 0xe0, + ROUND_W = 0xec, + + MOV_FMT = 0x01, + MOVF = 0x05, + ABS_FMT = 0x0d, + RSQRT1_FMT = 0x1d, + MOVT = 0x25, + NEG_FMT = 0x2d, + CVT_D = 0x4d, + RECIP1_FMT = 0x5d, + CVT_S = 0x6d +}; + +/* POOL32I encoding of minor opcode field (bits 25..21) */ + +enum { + BLTZ = 0x00, + BLTZAL = 0x01, + BGEZ = 0x02, + BGEZAL = 0x03, + BLEZ = 0x04, + BNEZC = 0x05, + BGTZ = 0x06, + BEQZC = 0x07, + TLTI = 0x08, + TGEI = 0x09, + TLTIU = 0x0a, + TGEIU = 0x0b, + TNEI = 0x0c, + LUI = 0x0d, + TEQI = 0x0e, + SYNCI = 0x10, + BLTZALS = 0x11, + BGEZALS = 0x13, + BC2F = 0x14, + BC2T = 0x15, + BPOSGE64 = 0x1a, + BPOSGE32 = 0x1b, + /* These overlap and are distinguished by bit16 of the instruction */ + BC1F = 0x1c, + BC1T = 0x1d, + BC1ANY2F = 0x1c, + BC1ANY2T = 0x1d, + BC1ANY4F = 0x1e, + BC1ANY4T = 0x1f +}; + +/* POOL16A encoding of minor opcode field */ + +enum { + ADDU16 = 0x0, + SUBU16 = 0x1 +}; + +/* POOL16B encoding of minor opcode field */ + +enum { + SLL16 = 0x0, + SRL16 = 0x1 +}; + +/* POOL16C encoding of minor opcode field */ + +enum { + NOT16 = 0x00, + XOR16 = 0x04, + AND16 = 0x08, + OR16 = 0x0c, + LWM16 = 0x10, + SWM16 = 0x14, + JR16 = 0x18, + JRC16 = 0x1a, + JALR16 = 0x1c, + JALR16S = 0x1e, + MFHI16 = 0x20, + MFLO16 = 0x24, + BREAK16 = 0x28, + SDBBP16 = 0x2c, + JRADDIUSP = 0x30 +}; + +/* POOL16D encoding of minor opcode field */ + +enum { + ADDIUS5 = 0x0, + ADDIUSP = 0x1 +}; + +/* POOL16E encoding of minor opcode field */ + +enum { + ADDIUR2 = 0x0, + ADDIUR1SP = 0x1 +}; + +static int mmreg (int r) +{ + static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; + + return map[r]; +} + +/* Used for 16-bit store instructions. */ +static int mmreg2 (int r) +{ + static const int map[] = { 0, 17, 2, 3, 4, 5, 6, 7 }; + + return map[r]; +} + +#define uMIPS_RD(op) ((op >> 7) & 0x7) +#define uMIPS_RS(op) ((op >> 4) & 0x7) +#define uMIPS_RS2(op) uMIPS_RS(op) +#define uMIPS_RS1(op) ((op >> 1) & 0x7) +#define uMIPS_RD5(op) ((op >> 5) & 0x1f) +#define uMIPS_RS5(op) (op & 0x1f) + +/* Signed immediate */ +#define SIMM(op, start, width) \ + ((int32_t)(((op >> start) & ((~0U) >> (32-width))) \ + << (32-width)) \ + >> (32-width)) +/* Zero-extended immediate */ +#define ZIMM(op, start, width) ((op >> start) & ((~0U) >> (32-width))) + +static void gen_addiur1sp (CPUState *env, DisasContext *ctx) +{ + int rd = mmreg(uMIPS_RD(ctx->opcode)); + + gen_arith_imm(env, ctx, OPC_ADDIU, rd, 29, ((ctx->opcode >> 1) & 0x3f) << 2); +} + +static void gen_addiur2 (CPUState *env, DisasContext *ctx) +{ + static const int decoded_imm[] = { 1, 4, 8, 12, 16, 20, 24, -1 }; + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rs = mmreg(uMIPS_RS(ctx->opcode)); + + gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, decoded_imm[ZIMM(ctx->opcode, 1, 3)]); +} + +static void gen_addiusp (CPUState *env, DisasContext *ctx) +{ + int encoded = ZIMM(ctx->opcode, 1, 9); + int decoded; + + if (encoded <= 1) { + decoded = 256 + encoded; + } else if (encoded <= 255) { + decoded = encoded; + } else if (encoded <= 509) { + decoded = encoded - 512; + } else { + decoded = encoded - 768; + } + + gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, decoded << 2); +} + +static void gen_addius5 (CPUState *env, DisasContext *ctx) +{ + int imm = SIMM(ctx->opcode, 1, 4); + int rd = (ctx->opcode >> 5) & 0x1f; + + gen_arith_imm(env, ctx, OPC_ADDIU, rd, rd, imm); +} + +static void gen_andi16 (CPUState *env, DisasContext *ctx) +{ + static const int decoded_imm[] = { 128, 1, 2, 3, 4, 7, 8, 15, 16, + 31, 32, 63, 64, 255, 32768, 65535 }; + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rs = mmreg(uMIPS_RS(ctx->opcode)); + int encoded = ZIMM(ctx->opcode, 0, 4); + + gen_logic_imm(env, OPC_ANDI, rd, rs, decoded_imm[encoded]); +} + +static void gen_ldst_multiple (DisasContext *ctx, uint32_t opc, int reglist, + int base, int16_t offset) +{ + TCGv t0, t1; + TCGv_i32 t2; + + if (ctx->hflags & MIPS_HFLAG_BMASK) { + generate_exception(ctx, EXCP_RI); + return; + } + + t0 = tcg_temp_new(); + + gen_base_offset_addr(ctx, t0, base, offset); + + t1 = tcg_const_tl(reglist); + t2 = tcg_const_i32(ctx->mem_idx); + + save_cpu_state(ctx, 1); + switch (opc) { + case LWM32: + gen_helper_lwm(t0, t1, t2); + break; + case SWM32: + gen_helper_swm(t0, t1, t2); + break; +#ifdef TARGET_MIPS64 + case LDM: + gen_helper_ldm(t0, t1, t2); + break; + case SDM: + gen_helper_sdm(t0, t1, t2); + break; +#endif + } + MIPS_DEBUG("%s, %x, %d(%s)", opn, reglist, offset, regnames[base]); + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free_i32(t2); +} + + +static void gen_pool16c_insn (CPUState *env, DisasContext *ctx, int *is_branch) +{ + int rd = mmreg((ctx->opcode >> 3) & 0x7); + int rs = mmreg(ctx->opcode & 0x7); + int opc; + + switch (((ctx->opcode) >> 4) & 0x3f) { + case NOT16 + 0: + case NOT16 + 1: + case NOT16 + 2: + case NOT16 + 3: + gen_logic(env, OPC_NOR, rd, rs, 0); + break; + case XOR16 + 0: + case XOR16 + 1: + case XOR16 + 2: + case XOR16 + 3: + gen_logic(env, OPC_XOR, rd, rd, rs); + break; + case AND16 + 0: + case AND16 + 1: + case AND16 + 2: + case AND16 + 3: + gen_logic(env, OPC_AND, rd, rd, rs); + break; + case OR16 + 0: + case OR16 + 1: + case OR16 + 2: + case OR16 + 3: + gen_logic(env, OPC_OR, rd, rd, rs); + break; + case LWM16 + 0: + case LWM16 + 1: + case LWM16 + 2: + case LWM16 + 3: + { + static const int lwm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; + int offset = ZIMM(ctx->opcode, 0, 4); + + gen_ldst_multiple(ctx, LWM32, lwm_convert[(ctx->opcode >> 4) & 0x3], + 29, offset << 2); + } + break; + case SWM16 + 0: + case SWM16 + 1: + case SWM16 + 2: + case SWM16 + 3: + { + static const int swm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; + int offset = ZIMM(ctx->opcode, 0, 4); + + gen_ldst_multiple(ctx, SWM32, swm_convert[(ctx->opcode >> 4) & 0x3], + 29, offset << 2); + } + break; + case JR16 + 0: + case JR16 + 1: + { + int reg = ctx->opcode & 0x1f; + + gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); + } + *is_branch = 1; + break; + case JRC16 + 0: + case JRC16 + 1: + { + int reg = ctx->opcode & 0x1f; + + gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); + /* Let normal delay slot handling in our caller take us + to the branch target. */ + } + break; + case JALR16 + 0: + case JALR16 + 1: + opc = OPC_JALR; + goto do_jalr; + case JALR16S + 0: + case JALR16S + 1: + opc = OPC_JALRS; + do_jalr: + { + int reg = ctx->opcode & 0x1f; + + gen_compute_branch(ctx, opc, 2, reg, 31, 0); + } + *is_branch = 1; + break; + case MFHI16 + 0: + case MFHI16 + 1: + gen_HILO(ctx, OPC_MFHI, uMIPS_RS5(ctx->opcode)); + break; + case MFLO16 + 0: + case MFLO16 + 1: + gen_HILO(ctx, OPC_MFLO, uMIPS_RS5(ctx->opcode)); + break; + case BREAK16: + generate_exception(ctx, EXCP_BREAK); + break; + case SDBBP16: + /* XXX: not clear which exception should be raised + * when in debug mode... + */ + check_insn(env, ctx, ISA_MIPS32); + if (!(ctx->hflags & MIPS_HFLAG_DM)) { + generate_exception(ctx, EXCP_DBp); + } else { + generate_exception(ctx, EXCP_DBp); + } + break; + case JRADDIUSP + 0: + case JRADDIUSP + 1: + { + int imm = ZIMM(ctx->opcode, 0, 5); + + gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0); + gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm << 2); + /* Let normal delay slot handling in our caller take us + to the branch target. */ + } + break; + default: + generate_exception(ctx, EXCP_RI); + break; + } +} + +static void gen_ldxs (DisasContext *ctx, int base, int index, int rd) +{ + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + + gen_load_gpr(t0, base); + + if (index != 0) { + gen_load_gpr(t1, index); + tcg_gen_shli_tl(t1, t1, 2); + gen_op_addr_add(ctx, t0, t1, t0); + } + + save_cpu_state(ctx, 0); + op_ldst_lw(t1, t0, ctx); + gen_store_gpr(t1, rd); + + tcg_temp_free(t0); + tcg_temp_free(t1); +} + +static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd, + int base, int16_t offset) +{ + const char *opn = "ldst_pair"; + TCGv t0, t1; + + if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31 || rd == base) { + generate_exception(ctx, EXCP_RI); + return; + } + + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + + gen_base_offset_addr(ctx, t0, base, offset); + + switch (opc) { + case LWP: + save_cpu_state(ctx, 0); + op_ldst_lw(t1, t0, ctx); + gen_store_gpr(t1, rd); + tcg_gen_movi_tl(t1, 4); + gen_op_addr_add(ctx, t0, t0, t1); + op_ldst_lw(t1, t0, ctx); + gen_store_gpr(t1, rd+1); + opn = "lwp"; + break; + case SWP: + save_cpu_state(ctx, 1); + gen_load_gpr(t1, rd); + op_ldst_sw(t1, t0, ctx); + tcg_gen_movi_tl(t1, 4); + gen_op_addr_add(ctx, t0, t0, t1); + gen_load_gpr(t1, rd+1); + op_ldst_sw(t1, t0, ctx); + opn = "swp"; + break; +#ifdef TARGET_MIPS64 + case LDP: + save_cpu_state(ctx, 0); + op_ldst_ld(t1, t0, ctx); + gen_store_gpr(t1, rd); + tcg_gen_movi_tl(t1, 8); + gen_op_addr_add(ctx, t0, t0, t1); + op_ldst_ld(t1, t0, ctx); + gen_store_gpr(t1, rd+1); + opn = "ldp"; + break; + case SDP: + save_cpu_state(ctx, 1); + gen_load_gpr(t1, rd); + op_ldst_sd(t1, t0, ctx); + tcg_gen_movi_tl(t1, 8); + gen_op_addr_add(ctx, t0, t0, t1); + gen_load_gpr(t1, rd+1); + op_ldst_sd(t1, t0, ctx); + opn = "sdp"; + break; +#endif + } + MIPS_DEBUG("%s, %s, %d(%s)", opn, regnames[rd], offset, regnames[base]); + tcg_temp_free(t0); + tcg_temp_free(t1); +} + +static void gen_pool32axf (CPUState *env, DisasContext *ctx, int rt, int rs, + int *is_branch) +{ + int extension = (ctx->opcode >> 6) & 0x3f; + int minor = (ctx->opcode >> 12) & 0xf; + uint32_t mips32_op; + + switch (extension) { + case TEQ: + mips32_op = OPC_TEQ; + goto do_trap; + case TGE: + mips32_op = OPC_TGE; + goto do_trap; + case TGEU: + mips32_op = OPC_TGEU; + goto do_trap; + case TLT: + mips32_op = OPC_TLT; + goto do_trap; + case TLTU: + mips32_op = OPC_TLTU; + goto do_trap; + case TNE: + mips32_op = OPC_TNE; + do_trap: + gen_trap(ctx, mips32_op, rs, rt, -1); + break; +#ifndef CONFIG_USER_ONLY + case MFC0: + case MFC0 + 32: + if (rt == 0) { + /* Treat as NOP. */ + break; + } + gen_mfc0(env, ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7); + break; + case MTC0: + case MTC0 + 32: + { + TCGv t0 = tcg_temp_new(); + + gen_load_gpr(t0, rt); + gen_mtc0(env, ctx, t0, rs, (ctx->opcode >> 11) & 0x7); + tcg_temp_free(t0); + } + break; +#endif + case 0x2c: + switch (minor) { + case SEB: + gen_bshfl(ctx, OPC_SEB, rs, rt); + break; + case SEH: + gen_bshfl(ctx, OPC_SEH, rs, rt); + break; + case CLO: + mips32_op = OPC_CLO; + goto do_cl; + case CLZ: + mips32_op = OPC_CLZ; + do_cl: + check_insn(env, ctx, ISA_MIPS32); + gen_cl(ctx, mips32_op, rt, rs); + break; + case RDHWR: + gen_rdhwr(env, ctx, rt, rs); + break; + case WSBH: + gen_bshfl(ctx, OPC_WSBH, rs, rt); + break; + case MULT: + mips32_op = OPC_MULT; + goto do_muldiv; + case MULTU: + mips32_op = OPC_MULTU; + goto do_muldiv; + case DIV: + mips32_op = OPC_DIV; + goto do_muldiv; + case DIVU: + mips32_op = OPC_DIVU; + goto do_muldiv; + case MADD: + mips32_op = OPC_MADD; + goto do_muldiv; + case MADDU: + mips32_op = OPC_MADDU; + goto do_muldiv; + case MSUB: + mips32_op = OPC_MSUB; + goto do_muldiv; + case MSUBU: + mips32_op = OPC_MSUBU; + do_muldiv: + check_insn(env, ctx, ISA_MIPS32); + gen_muldiv(ctx, mips32_op, rs, rt); + break; + default: + goto pool32axf_invalid; + } + break; + case 0x34: + switch (minor) { + case MFC2: + case MTC2: + case MFHC2: + case MTHC2: + case CFC2: + case CTC2: + generate_exception_err(ctx, EXCP_CpU, 2); + break; + default: + goto pool32axf_invalid; + } + break; + case 0x3c: + switch (minor) { + case JALR: + case JALR_HB: + gen_compute_branch (ctx, OPC_JALR, 4, rs, rt, 0); + *is_branch = 1; + break; + case JALRS: + case JALRS_HB: + gen_compute_branch (ctx, OPC_JALRS, 4, rs, rt, 0); + *is_branch = 1; + break; + default: + goto pool32axf_invalid; + } + break; + case 0x05: + switch (minor) { + case RDPGPR: + check_insn(env, ctx, ISA_MIPS32R2); + gen_load_srsgpr(rt, rs); + break; + case WRPGPR: + check_insn(env, ctx, ISA_MIPS32R2); + gen_store_srsgpr(rt, rs); + break; + default: + goto pool32axf_invalid; + } + break; +#ifndef CONFIG_USER_ONLY + case 0x0d: + switch (minor) { + case TLBP: + mips32_op = OPC_TLBP; + goto do_cp0; + case TLBR: + mips32_op = OPC_TLBR; + goto do_cp0; + case TLBWI: + mips32_op = OPC_TLBWI; + goto do_cp0; + case TLBWR: + mips32_op = OPC_TLBWR; + goto do_cp0; + case WAIT: + mips32_op = OPC_WAIT; + goto do_cp0; + case DERET: + mips32_op = OPC_DERET; + goto do_cp0; + case ERET: + mips32_op = OPC_ERET; + do_cp0: + gen_cp0(env, ctx, mips32_op, rt, rs); + break; + default: + goto pool32axf_invalid; + } + break; + case 0x1d: + switch (minor) { + case DI: + { + TCGv t0 = tcg_temp_new(); + + save_cpu_state(ctx, 1); + gen_helper_di(t0); + gen_store_gpr(t0, rs); + /* Stop translation as we may have switched the execution mode */ + ctx->bstate = BS_STOP; + tcg_temp_free(t0); + } + break; + case EI: + { + TCGv t0 = tcg_temp_new(); + + save_cpu_state(ctx, 1); + gen_helper_ei(t0); + gen_store_gpr(t0, rs); + /* Stop translation as we may have switched the execution mode */ + ctx->bstate = BS_STOP; + tcg_temp_free(t0); + } + break; + default: + goto pool32axf_invalid; + } + break; +#endif + case 0x2d: + switch (minor) { + case SYNC: + /* NOP */ + break; + case SYSCALL: + generate_exception(ctx, EXCP_SYSCALL); + ctx->bstate = BS_STOP; + break; + case SDBBP: + check_insn(env, ctx, ISA_MIPS32); + if (!(ctx->hflags & MIPS_HFLAG_DM)) { + generate_exception(ctx, EXCP_DBp); + } else { + generate_exception(ctx, EXCP_DBp); + } + break; + default: + goto pool32axf_invalid; + } + break; + case 0x35: + switch (minor) { + case MFHI32: + gen_HILO(ctx, OPC_MFHI, rs); + break; + case MFLO32: + gen_HILO(ctx, OPC_MFLO, rs); + break; + case MTHI32: + gen_HILO(ctx, OPC_MTHI, rs); + break; + case MTLO32: + gen_HILO(ctx, OPC_MTLO, rs); + break; + default: + goto pool32axf_invalid; + } + break; + default: + pool32axf_invalid: + MIPS_INVAL("pool32axf"); + generate_exception(ctx, EXCP_RI); + break; + } +} + +/* Values for microMIPS fmt field. Variable-width, depending on which + formats the instruction supports. */ + +enum { + FMT_SD_S = 0, + FMT_SD_D = 1, + + FMT_SDPS_S = 0, + FMT_SDPS_D = 1, + FMT_SDPS_PS = 2, + + FMT_SWL_S = 0, + FMT_SWL_W = 1, + FMT_SWL_L = 2, + + FMT_DWL_D = 0, + FMT_DWL_W = 1, + FMT_DWL_L = 2 +}; + +static void gen_pool32fxf (CPUState *env, DisasContext *ctx, int rt, int rs) +{ + int extension = (ctx->opcode >> 6) & 0x3ff; + uint32_t mips32_op; + +#define FLOAT_1BIT_FMT(opc, fmt) (fmt << 8) | opc +#define FLOAT_2BIT_FMT(opc, fmt) (fmt << 7) | opc +#define COND_FLOAT_MOV(opc, cond) (cond << 7) | opc + + switch (extension) { + case FLOAT_1BIT_FMT(CFC1, 0): + mips32_op = OPC_CFC1; + goto do_cp1; + case FLOAT_1BIT_FMT(CTC1, 0): + mips32_op = OPC_CTC1; + goto do_cp1; + case FLOAT_1BIT_FMT(MFC1, 0): + mips32_op = OPC_MFC1; + goto do_cp1; + case FLOAT_1BIT_FMT(MTC1, 0): + mips32_op = OPC_MTC1; + goto do_cp1; + case FLOAT_1BIT_FMT(MFHC1, 0): + mips32_op = OPC_MFHC1; + goto do_cp1; + case FLOAT_1BIT_FMT(MTHC1, 0): + mips32_op = OPC_MTHC1; + do_cp1: + gen_cp1(ctx, mips32_op, rt, rs); + break; + + /* Reciprocal square root */ + case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_S): + mips32_op = OPC_RSQRT_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_D): + mips32_op = OPC_RSQRT_D; + goto do_unaryfp; + + /* Square root */ + case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_S): + mips32_op = OPC_SQRT_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_D): + mips32_op = OPC_SQRT_D; + goto do_unaryfp; + + /* Reciprocal */ + case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_S): + mips32_op = OPC_RECIP_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_D): + mips32_op = OPC_RECIP_D; + goto do_unaryfp; + + /* Floor */ + case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_S): + mips32_op = OPC_FLOOR_L_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_D): + mips32_op = OPC_FLOOR_L_D; + goto do_unaryfp; + case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_S): + mips32_op = OPC_FLOOR_W_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_D): + mips32_op = OPC_FLOOR_W_D; + goto do_unaryfp; + + /* Ceiling */ + case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_S): + mips32_op = OPC_CEIL_L_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_D): + mips32_op = OPC_CEIL_L_D; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_S): + mips32_op = OPC_CEIL_W_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_D): + mips32_op = OPC_CEIL_W_D; + goto do_unaryfp; + + /* Truncation */ + case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_S): + mips32_op = OPC_TRUNC_L_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_D): + mips32_op = OPC_TRUNC_L_D; + goto do_unaryfp; + case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_S): + mips32_op = OPC_TRUNC_W_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_D): + mips32_op = OPC_TRUNC_W_D; + goto do_unaryfp; + + /* Round */ + case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_S): + mips32_op = OPC_ROUND_L_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_D): + mips32_op = OPC_ROUND_L_D; + goto do_unaryfp; + case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_S): + mips32_op = OPC_ROUND_W_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_D): + mips32_op = OPC_ROUND_W_D; + goto do_unaryfp; + + /* Integer to floating-point conversion */ + case FLOAT_1BIT_FMT(CVT_L, FMT_SD_S): + mips32_op = OPC_CVT_L_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CVT_L, FMT_SD_D): + mips32_op = OPC_CVT_L_D; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CVT_W, FMT_SD_S): + mips32_op = OPC_CVT_W_S; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CVT_W, FMT_SD_D): + mips32_op = OPC_CVT_W_D; + goto do_unaryfp; + + /* Paired-foo conversions */ + case FLOAT_1BIT_FMT(CVT_S_PL, 0): + mips32_op = OPC_CVT_S_PL; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CVT_S_PU, 0): + mips32_op = OPC_CVT_S_PU; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CVT_PW_PS, 0): + mips32_op = OPC_CVT_PW_PS; + goto do_unaryfp; + case FLOAT_1BIT_FMT(CVT_PS_PW, 0): + mips32_op = OPC_CVT_PS_PW; + goto do_unaryfp; + + /* Floating-point moves */ + case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_S): + mips32_op = OPC_MOV_S; + goto do_unaryfp; + case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_D): + mips32_op = OPC_MOV_D; + goto do_unaryfp; + case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_PS): + mips32_op = OPC_MOV_PS; + goto do_unaryfp; + + /* Absolute value */ + case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_S): + mips32_op = OPC_ABS_S; + goto do_unaryfp; + case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_D): + mips32_op = OPC_ABS_D; + goto do_unaryfp; + case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_PS): + mips32_op = OPC_ABS_PS; + goto do_unaryfp; + + /* Negation */ + case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_S): + mips32_op = OPC_NEG_S; + goto do_unaryfp; + case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_D): + mips32_op = OPC_NEG_D; + goto do_unaryfp; + case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_PS): + mips32_op = OPC_NEG_PS; + goto do_unaryfp; + + /* Reciprocal square root step */ + case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_S): + mips32_op = OPC_RSQRT1_S; + goto do_unaryfp; + case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_D): + mips32_op = OPC_RSQRT1_D; + goto do_unaryfp; + case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_PS): + mips32_op = OPC_RSQRT1_PS; + goto do_unaryfp; + + /* Reciprocal step */ + case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_S): + mips32_op = OPC_RECIP1_S; + goto do_unaryfp; + case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_D): + mips32_op = OPC_RECIP1_S; + goto do_unaryfp; + case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_PS): + mips32_op = OPC_RECIP1_PS; + goto do_unaryfp; + + /* Conversions from double */ + case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_S): + mips32_op = OPC_CVT_D_S; + goto do_unaryfp; + case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_W): + mips32_op = OPC_CVT_D_W; + goto do_unaryfp; + case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_L): + mips32_op = OPC_CVT_D_L; + goto do_unaryfp; + + /* Conversions from single */ + case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_D): + mips32_op = OPC_CVT_S_D; + goto do_unaryfp; + case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_W): + mips32_op = OPC_CVT_S_W; + goto do_unaryfp; + case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_L): + mips32_op = OPC_CVT_S_L; + do_unaryfp: + gen_farith(ctx, mips32_op, -1, rs, rt, 0); + break; + + /* Conditional moves on floating-point codes */ + case COND_FLOAT_MOV(MOVT, 0): + case COND_FLOAT_MOV(MOVT, 1): + case COND_FLOAT_MOV(MOVT, 2): + case COND_FLOAT_MOV(MOVT, 3): + case COND_FLOAT_MOV(MOVT, 4): + case COND_FLOAT_MOV(MOVT, 5): + case COND_FLOAT_MOV(MOVT, 6): + case COND_FLOAT_MOV(MOVT, 7): + gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 1); + break; + case COND_FLOAT_MOV(MOVF, 0): + case COND_FLOAT_MOV(MOVF, 1): + case COND_FLOAT_MOV(MOVF, 2): + case COND_FLOAT_MOV(MOVF, 3): + case COND_FLOAT_MOV(MOVF, 4): + case COND_FLOAT_MOV(MOVF, 5): + case COND_FLOAT_MOV(MOVF, 6): + case COND_FLOAT_MOV(MOVF, 7): + gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 0); + break; + default: + MIPS_INVAL("pool32fxf"); + generate_exception(ctx, EXCP_RI); + break; + } +} + +static void decode_micromips32_opc (CPUState *env, DisasContext *ctx, + uint16_t insn_hw1, int *is_branch) +{ + int32_t offset; + uint16_t insn; + int rt, rs, rd, rr; + int16_t imm; + uint32_t op, minor, mips32_op; + uint32_t cond, fmt, cc; + + insn = lduw_code(ctx->pc + 2); + ctx->opcode = (ctx->opcode << 16) | insn; + + rt = (ctx->opcode >> 21) & 0x1f; + rs = (ctx->opcode >> 16) & 0x1f; + rd = (ctx->opcode >> 11) & 0x1f; + rr = (ctx->opcode >> 6) & 0x1f; + imm = (int16_t) ctx->opcode; + + op = (ctx->opcode >> 26) & 0x3f; + switch (op) { + case POOL32A: + minor = ctx->opcode & 0x3f; + switch (minor) { + case 0x00: + minor = (ctx->opcode >> 6) & 0xf; + switch (minor) { + case SLL32: + mips32_op = OPC_SLL; + goto do_shifti; + case SRA: + mips32_op = OPC_SRA; + goto do_shifti; + case SRL32: + mips32_op = OPC_SRL; + goto do_shifti; + case ROTR: + mips32_op = OPC_ROTR; + do_shifti: + gen_shift_imm(env, ctx, mips32_op, rt, rs, rd); + break; + default: + goto pool32a_invalid; + } + break; + case 0x10: + minor = (ctx->opcode >> 6) & 0xf; + switch (minor) { + /* Arithmetic */ + case ADD: + mips32_op = OPC_ADD; + goto do_arith; + case ADDU32: + mips32_op = OPC_ADDU; + goto do_arith; + case SUB: + mips32_op = OPC_SUB; + goto do_arith; + case SUBU32: + mips32_op = OPC_SUBU; + goto do_arith; + case MUL: + mips32_op = OPC_MUL; + do_arith: + gen_arith(env, ctx, mips32_op, rd, rs, rt); + break; + /* Shifts */ + case SLLV: + mips32_op = OPC_SLLV; + goto do_shift; + case SRLV: + mips32_op = OPC_SRLV; + goto do_shift; + case SRAV: + mips32_op = OPC_SRAV; + goto do_shift; + case ROTRV: + mips32_op = OPC_ROTRV; + do_shift: + gen_shift(env, ctx, mips32_op, rd, rs, rt); + break; + /* Logical operations */ + case AND: + mips32_op = OPC_AND; + goto do_logic; + case OR32: + mips32_op = OPC_OR; + goto do_logic; + case NOR: + mips32_op = OPC_NOR; + goto do_logic; + case XOR32: + mips32_op = OPC_XOR; + do_logic: + gen_logic(env, mips32_op, rd, rs, rt); + break; + /* Set less than */ + case SLT: + mips32_op = OPC_SLT; + goto do_slt; + case SLTU: + mips32_op = OPC_SLTU; + do_slt: + gen_slt(env, mips32_op, rd, rs, rt); + break; + default: + goto pool32a_invalid; + } + break; + case 0x18: + minor = (ctx->opcode >> 6) & 0xf; + switch (minor) { + /* Conditional moves */ + case MOVN: + mips32_op = OPC_MOVN; + goto do_cmov; + case MOVZ: + mips32_op = OPC_MOVZ; + do_cmov: + gen_cond_move(env, mips32_op, rd, rs, rt); + break; + case LWXS: + gen_ldxs(ctx, rs, rt, rd); + break; + default: + goto pool32a_invalid; + } + break; + case INS: + gen_bitops(ctx, OPC_INS, rt, rs, rr, rd); + return; + case EXT: + gen_bitops(ctx, OPC_EXT, rt, rs, rr, rd); + return; + case POOL32AXF: + gen_pool32axf(env, ctx, rt, rs, is_branch); + break; + case 0x07: + generate_exception(ctx, EXCP_BREAK); + break; + default: + pool32a_invalid: + MIPS_INVAL("pool32a"); + generate_exception(ctx, EXCP_RI); + break; + } + break; + case POOL32B: + minor = (ctx->opcode >> 12) & 0xf; + switch (minor) { + case CACHE: + /* Treat as no-op. */ + break; + case LWC2: + case SWC2: + /* COP2: Not implemented. */ + generate_exception_err(ctx, EXCP_CpU, 2); + break; + case LWP: + case SWP: +#ifdef TARGET_MIPS64 + case LDP: + case SDP: +#endif + gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); + break; + case LWM32: + case SWM32: +#ifdef TARGET_MIPS64 + case LDM: + case SDM: +#endif + gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); + break; + default: + MIPS_INVAL("pool32b"); + generate_exception(ctx, EXCP_RI); + break; + } + break; + case POOL32F: + if (env->CP0_Config1 & (1 << CP0C1_FP)) { + minor = ctx->opcode & 0x3f; + check_cp1_enabled(ctx); + switch (minor) { + case ALNV_PS: + mips32_op = OPC_ALNV_PS; + goto do_madd; + case MADD_S: + mips32_op = OPC_MADD_S; + goto do_madd; + case MADD_D: + mips32_op = OPC_MADD_D; + goto do_madd; + case MADD_PS: + mips32_op = OPC_MADD_PS; + goto do_madd; + case MSUB_S: + mips32_op = OPC_MSUB_S; + goto do_madd; + case MSUB_D: + mips32_op = OPC_MSUB_D; + goto do_madd; + case MSUB_PS: + mips32_op = OPC_MSUB_PS; + goto do_madd; + case NMADD_S: + mips32_op = OPC_NMADD_S; + goto do_madd; + case NMADD_D: + mips32_op = OPC_NMADD_D; + goto do_madd; + case NMADD_PS: + mips32_op = OPC_NMADD_PS; + goto do_madd; + case NMSUB_S: + mips32_op = OPC_NMSUB_S; + goto do_madd; + case NMSUB_D: + mips32_op = OPC_NMSUB_D; + goto do_madd; + case NMSUB_PS: + mips32_op = OPC_NMSUB_PS; + do_madd: + gen_flt3_arith(ctx, mips32_op, rd, rr, rs, rt); + break; + case CABS_COND_FMT: + cond = (ctx->opcode >> 6) & 0xf; + cc = (ctx->opcode >> 13) & 0x7; + fmt = (ctx->opcode >> 10) & 0x3; + switch (fmt) { + case 0x0: + gen_cmpabs_s(ctx, cond, rt, rs, cc); + break; + case 0x1: + gen_cmpabs_d(ctx, cond, rt, rs, cc); + break; + case 0x2: + gen_cmpabs_ps(ctx, cond, rt, rs, cc); + break; + default: + goto pool32f_invalid; + } + break; + case C_COND_FMT: + cond = (ctx->opcode >> 6) & 0xf; + cc = (ctx->opcode >> 13) & 0x7; + fmt = (ctx->opcode >> 10) & 0x3; + switch (fmt) { + case 0x0: + gen_cmp_s(ctx, cond, rt, rs, cc); + break; + case 0x1: + gen_cmp_d(ctx, cond, rt, rs, cc); + break; + case 0x2: + gen_cmp_ps(ctx, cond, rt, rs, cc); + break; + default: + goto pool32f_invalid; + } + break; + case POOL32FXF: + gen_pool32fxf(env, ctx, rt, rs); + break; + case 0x00: + /* PLL foo */ + switch ((ctx->opcode >> 6) & 0x7) { + case PLL_PS: + mips32_op = OPC_PLL_PS; + goto do_ps; + case PLU_PS: + mips32_op = OPC_PLU_PS; + goto do_ps; + case PUL_PS: + mips32_op = OPC_PUL_PS; + goto do_ps; + case PUU_PS: + mips32_op = OPC_PUU_PS; + goto do_ps; + case CVT_PS_S: + mips32_op = OPC_CVT_PS_S; + do_ps: + gen_farith(ctx, mips32_op, rt, rs, rd, 0); + break; + default: + goto pool32f_invalid; + } + break; + case 0x08: + /* [LS][WDU]XC1 */ + switch ((ctx->opcode >> 6) & 0x7) { + case LWXC1: + mips32_op = OPC_LWXC1; + goto do_ldst_cp1; + case SWXC1: + mips32_op = OPC_SWXC1; + goto do_ldst_cp1; + case LDXC1: + mips32_op = OPC_LDXC1; + goto do_ldst_cp1; + case SDXC1: + mips32_op = OPC_SDXC1; + goto do_ldst_cp1; + case LUXC1: + mips32_op = OPC_LUXC1; + goto do_ldst_cp1; + case SUXC1: + mips32_op = OPC_SUXC1; + do_ldst_cp1: + gen_flt3_ldst(ctx, mips32_op, rd, rd, rt, rs); + break; + default: + goto pool32f_invalid; + } + break; + case 0x18: + /* 3D insns */ + fmt = (ctx->opcode >> 9) & 0x3; + switch ((ctx->opcode >> 6) & 0x7) { + case RSQRT2_FMT: + switch (fmt) { + case FMT_SDPS_S: + mips32_op = OPC_RSQRT2_S; + goto do_3d; + case FMT_SDPS_D: + mips32_op = OPC_RSQRT2_D; + goto do_3d; + case FMT_SDPS_PS: + mips32_op = OPC_RSQRT2_PS; + goto do_3d; + default: + goto pool32f_invalid; + } + break; + case RECIP2_FMT: + switch (fmt) { + case FMT_SDPS_S: + mips32_op = OPC_RECIP2_S; + goto do_3d; + case FMT_SDPS_D: + mips32_op = OPC_RECIP2_D; + goto do_3d; + case FMT_SDPS_PS: + mips32_op = OPC_RECIP2_PS; + goto do_3d; + default: + goto pool32f_invalid; + } + break; + case ADDR_PS: + mips32_op = OPC_ADDR_PS; + goto do_3d; + case MULR_PS: + mips32_op = OPC_MULR_PS; + do_3d: + gen_farith(ctx, mips32_op, rt, rs, rd, 0); + break; + default: + goto pool32f_invalid; + } + break; + case 0x20: + /* MOV[FT].fmt and PREFX */ + cc = (ctx->opcode >> 13) & 0x7; + fmt = (ctx->opcode >> 9) & 0x3; + switch ((ctx->opcode >> 6) & 0x7) { + case MOVF_FMT: + switch (fmt) { + case FMT_SDPS_S: + gen_movcf_s(rs, rt, cc, 0); + break; + case FMT_SDPS_D: + gen_movcf_d(ctx, rs, rt, cc, 0); + break; + case FMT_SDPS_PS: + gen_movcf_ps(rs, rt, cc, 0); + break; + default: + goto pool32f_invalid; + } + break; + case MOVT_FMT: + switch (fmt) { + case FMT_SDPS_S: + gen_movcf_s(rs, rt, cc, 1); + break; + case FMT_SDPS_D: + gen_movcf_d(ctx, rs, rt, cc, 1); + break; + case FMT_SDPS_PS: + gen_movcf_ps(rs, rt, cc, 1); + break; + default: + goto pool32f_invalid; + } + break; + case PREFX: + break; + default: + goto pool32f_invalid; + } + break; +#define FINSN_3ARG_SDPS(prfx) \ + switch ((ctx->opcode >> 8) & 0x3) { \ + case FMT_SDPS_S: \ + mips32_op = OPC_##prfx##_S; \ + goto do_fpop; \ + case FMT_SDPS_D: \ + mips32_op = OPC_##prfx##_D; \ + goto do_fpop; \ + case FMT_SDPS_PS: \ + mips32_op = OPC_##prfx##_PS; \ + goto do_fpop; \ + default: \ + goto pool32f_invalid; \ + } + case 0x30: + /* regular FP ops */ + switch ((ctx->opcode >> 6) & 0x3) { + case ADD_FMT: + FINSN_3ARG_SDPS(ADD); + break; + case SUB_FMT: + FINSN_3ARG_SDPS(SUB); + break; + case MUL_FMT: + FINSN_3ARG_SDPS(MUL); + break; + case DIV_FMT: + fmt = (ctx->opcode >> 8) & 0x3; + if (fmt == 1) { + mips32_op = OPC_DIV_D; + } else if (fmt == 0) { + mips32_op = OPC_DIV_S; + } else { + goto pool32f_invalid; + } + goto do_fpop; + default: + goto pool32f_invalid; + } + break; + case 0x38: + /* cmovs */ + switch ((ctx->opcode >> 6) & 0x3) { + case MOVN_FMT: + FINSN_3ARG_SDPS(MOVN); + break; + case MOVZ_FMT: + FINSN_3ARG_SDPS(MOVZ); + break; + default: + goto pool32f_invalid; + } + break; + do_fpop: + gen_farith(ctx, mips32_op, rt, rs, rd, 0); + break; + default: + pool32f_invalid: + MIPS_INVAL("pool32f"); + generate_exception(ctx, EXCP_RI); + break; + } + } else { + generate_exception_err(ctx, EXCP_CpU, 1); + } + break; + case POOL32I: + minor = (ctx->opcode >> 21) & 0x1f; + switch (minor) { + case BLTZ: + mips32_op = OPC_BLTZ; + goto do_branch; + case BLTZAL: + mips32_op = OPC_BLTZAL; + goto do_branch; + case BLTZALS: + mips32_op = OPC_BLTZALS; + goto do_branch; + case BGEZ: + mips32_op = OPC_BGEZ; + goto do_branch; + case BGEZAL: + mips32_op = OPC_BGEZAL; + goto do_branch; + case BGEZALS: + mips32_op = OPC_BGEZALS; + goto do_branch; + case BLEZ: + mips32_op = OPC_BLEZ; + goto do_branch; + case BGTZ: + mips32_op = OPC_BGTZ; + do_branch: + gen_compute_branch(ctx, mips32_op, 4, rs, -1, imm << 1); + *is_branch = 1; + break; + + /* Traps */ + case TLTI: + mips32_op = OPC_TLTI; + goto do_trapi; + case TGEI: + mips32_op = OPC_TGEI; + goto do_trapi; + case TLTIU: + mips32_op = OPC_TLTIU; + goto do_trapi; + case TGEIU: + mips32_op = OPC_TGEIU; + goto do_trapi; + case TNEI: + mips32_op = OPC_TNEI; + goto do_trapi; + case TEQI: + mips32_op = OPC_TEQI; + do_trapi: + gen_trap(ctx, mips32_op, rs, -1, imm); + break; + + case BNEZC: + case BEQZC: + gen_compute_branch(ctx, minor == BNEZC ? OPC_BNE : OPC_BEQ, + 4, rs, 0, imm << 1); + /* Compact branches don't have a delay slot, so just let + the normal delay slot handling take us to the branch + target. */ + break; + case LUI: + gen_logic_imm(env, OPC_LUI, rs, -1, imm); + break; + case SYNCI: + break; + case BC2F: + case BC2T: + /* COP2: Not implemented. */ + generate_exception_err(ctx, EXCP_CpU, 2); + break; + case BC1F: + mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1FANY2 : OPC_BC1F; + goto do_cp1branch; + case BC1T: + mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1TANY2 : OPC_BC1T; + goto do_cp1branch; + case BC1ANY4F: + mips32_op = OPC_BC1FANY4; + goto do_cp1mips3d; + case BC1ANY4T: + mips32_op = OPC_BC1TANY4; + do_cp1mips3d: + check_cop1x(ctx); + check_insn(env, ctx, ASE_MIPS3D); + /* Fall through */ + do_cp1branch: + gen_compute_branch1(env, ctx, mips32_op, + (ctx->opcode >> 18) & 0x7, imm << 1); + *is_branch = 1; + break; + case BPOSGE64: + case BPOSGE32: + /* MIPS DSP: not implemented */ + /* Fall through */ + default: + MIPS_INVAL("pool32i"); + generate_exception(ctx, EXCP_RI); + break; + } + break; + case POOL32C: + minor = (ctx->opcode >> 12) & 0xf; + switch (minor) { + case LWL: + mips32_op = OPC_LWL; + goto do_ldst_lr; + case SWL: + mips32_op = OPC_SWL; + goto do_ldst_lr; + case LWR: + mips32_op = OPC_LWR; + goto do_ldst_lr; + case SWR: + mips32_op = OPC_SWR; + goto do_ldst_lr; +#if defined(TARGET_MIPS64) + case LDL: + mips32_op = OPC_LDL; + goto do_ldst_lr; + case SDL: + mips32_op = OPC_SDL; + goto do_ldst_lr; + case LDR: + mips32_op = OPC_LDR; + goto do_ldst_lr; + case SDR: + mips32_op = OPC_SDR; + goto do_ldst_lr; + case LWU: + mips32_op = OPC_LWU; + goto do_ldst_lr; + case LLD: + mips32_op = OPC_LLD; + goto do_ldst_lr; +#endif + case LL: + mips32_op = OPC_LL; + do_ldst_lr: + gen_ldst(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); + break; + case SC: + gen_st_cond(ctx, OPC_SC, rt, rs, SIMM(ctx->opcode, 0, 12)); + break; +#if defined(TARGET_MIPS64) + case SCD: + gen_st_cond(ctx, OPC_SCD, rt, rs, SIMM(ctx->opcode, 0, 12)); + break; +#endif + case PREF: + /* Treat as no-op */ + break; + default: + MIPS_INVAL("pool32c"); + generate_exception(ctx, EXCP_RI); + break; + } + break; + case ADDI32: + mips32_op = OPC_ADDI; + goto do_addi; + case ADDIU32: + mips32_op = OPC_ADDIU; + do_addi: + gen_arith_imm(env, ctx, mips32_op, rt, rs, imm); + break; + + /* Logical operations */ + case ORI32: + mips32_op = OPC_ORI; + goto do_logici; + case XORI32: + mips32_op = OPC_XORI; + goto do_logici; + case ANDI32: + mips32_op = OPC_ANDI; + do_logici: + gen_logic_imm(env, mips32_op, rt, rs, imm); + break; + + /* Set less than immediate */ + case SLTI32: + mips32_op = OPC_SLTI; + goto do_slti; + case SLTIU32: + mips32_op = OPC_SLTIU; + do_slti: + gen_slt_imm(env, mips32_op, rt, rs, imm); + break; + case JALX32: + offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; + gen_compute_branch(ctx, OPC_JALX, 4, rt, rs, offset); + *is_branch = 1; + break; + case JALS32: + offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 1; + gen_compute_branch(ctx, OPC_JALS, 4, rt, rs, offset); + *is_branch = 1; + break; + case BEQ32: + gen_compute_branch(ctx, OPC_BEQ, 4, rt, rs, imm << 1); + *is_branch = 1; + break; + case BNE32: + gen_compute_branch(ctx, OPC_BNE, 4, rt, rs, imm << 1); + *is_branch = 1; + break; + case J32: + gen_compute_branch(ctx, OPC_J, 4, rt, rs, + (int32_t)(ctx->opcode & 0x3FFFFFF) << 1); + *is_branch = 1; + break; + case JAL32: + gen_compute_branch(ctx, OPC_JAL, 4, rt, rs, + (int32_t)(ctx->opcode & 0x3FFFFFF) << 1); + *is_branch = 1; + break; + /* Floating point (COP1) */ + case LWC132: + mips32_op = OPC_LWC1; + goto do_cop1; + case LDC132: + mips32_op = OPC_LDC1; + goto do_cop1; + case SWC132: + mips32_op = OPC_SWC1; + goto do_cop1; + case SDC132: + mips32_op = OPC_SDC1; + do_cop1: + gen_cop1_ldst(env, ctx, mips32_op, rt, rs, imm); + break; + case ADDIUPC: + { + int reg = mmreg(ZIMM(ctx->opcode, 23, 3)); + int offset = SIMM(ctx->opcode, 0, 23) << 2; + + gen_addiupc(ctx, reg, offset, 0, 0); + } + break; + /* Loads and stores */ + case LB32: + mips32_op = OPC_LB; + goto do_ldst; + case LBU32: + mips32_op = OPC_LBU; + goto do_ldst; + case LH32: + mips32_op = OPC_LH; + goto do_ldst; + case LHU32: + mips32_op = OPC_LHU; + goto do_ldst; + case LW32: + mips32_op = OPC_LW; + goto do_ldst; +#ifdef TARGET_MIPS64 + case LD32: + mips32_op = OPC_LD; + goto do_ldst; + case SD32: + mips32_op = OPC_SD; + goto do_ldst; +#endif + case SB32: + mips32_op = OPC_SB; + goto do_ldst; + case SH32: + mips32_op = OPC_SH; + goto do_ldst; + case SW32: + mips32_op = OPC_SW; + do_ldst: + gen_ldst(ctx, mips32_op, rt, rs, imm); + break; + default: + generate_exception(ctx, EXCP_RI); + break; + } +} + +static int decode_micromips_opc (CPUState *env, DisasContext *ctx, int *is_branch) +{ + uint32_t op; + + /* make sure instructions are on a halfword boundary */ + if (ctx->pc & 0x1) { + env->CP0_BadVAddr = ctx->pc; + generate_exception(ctx, EXCP_AdEL); + ctx->bstate = BS_STOP; + return 2; + } + + op = (ctx->opcode >> 10) & 0x3f; + /* Enforce properly-sized instructions in a delay slot */ + if (ctx->hflags & MIPS_HFLAG_BMASK) { + int bits = ctx->hflags & MIPS_HFLAG_BMASK_EXT; + + switch (op) { + case POOL32A: + case POOL32B: + case POOL32I: + case POOL32C: + case ADDI32: + case ADDIU32: + case ORI32: + case XORI32: + case SLTI32: + case SLTIU32: + case ANDI32: + case JALX32: + case LBU32: + case LHU32: + case POOL32F: + case JALS32: + case BEQ32: + case BNE32: + case J32: + case JAL32: + case SB32: + case SH32: + case POOL32S: + case ADDIUPC: + case SWC132: + case SDC132: + case SD32: + case SW32: + case LB32: + case LH32: + case DADDIU32: + case POOL48A: /* ??? */ + case LWC132: + case LDC132: + case LD32: + case LW32: + if (bits & MIPS_HFLAG_BDS16) { + generate_exception(ctx, EXCP_RI); + /* Just stop translation; the user is confused. */ + ctx->bstate = BS_STOP; + return 2; + } + break; + case POOL16A: + case POOL16B: + case POOL16C: + case LWGP16: + case POOL16F: + case LBU16: + case LHU16: + case LWSP16: + case LW16: + case SB16: + case SH16: + case SWSP16: + case SW16: + case MOVE16: + case ANDI16: + case POOL16D: + case POOL16E: + case BEQZ16: + case BNEZ16: + case B16: + case LI16: + if (bits & MIPS_HFLAG_BDS32) { + generate_exception(ctx, EXCP_RI); + /* Just stop translation; the user is confused. */ + ctx->bstate = BS_STOP; + return 2; + } + break; + default: + break; + } + } + switch (op) { + case POOL16A: + { + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rs1 = mmreg(uMIPS_RS1(ctx->opcode)); + int rs2 = mmreg(uMIPS_RS2(ctx->opcode)); + uint32_t opc = 0; + + switch (ctx->opcode & 0x1) { + case ADDU16: + opc = OPC_ADDU; + break; + case SUBU16: + opc = OPC_SUBU; + break; + } + + gen_arith(env, ctx, opc, rd, rs1, rs2); + } + break; + case POOL16B: + { + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rs = mmreg(uMIPS_RS(ctx->opcode)); + int amount = (ctx->opcode >> 1) & 0x7; + uint32_t opc = 0; + amount = amount == 0 ? 8 : amount; + + switch (ctx->opcode & 0x1) { + case SLL16: + opc = OPC_SLL; + break; + case SRL16: + opc = OPC_SRL; + break; + } + + gen_shift_imm(env, ctx, opc, rd, rs, amount); + } + break; + case POOL16C: + gen_pool16c_insn(env, ctx, is_branch); + break; + case LWGP16: + { + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rb = 28; /* GP */ + int16_t offset = SIMM(ctx->opcode, 0, 7) << 2; + + gen_ldst(ctx, OPC_LW, rd, rb, offset); + } + break; + case POOL16F: + if (ctx->opcode & 1) { + generate_exception(ctx, EXCP_RI); + } else { + /* MOVEP */ + int enc_dest = uMIPS_RD(ctx->opcode); + int enc_rt = uMIPS_RS2(ctx->opcode); + int enc_rs = uMIPS_RS1(ctx->opcode); + int rd, rs, re, rt; + static const int rd_enc[] = { 5, 5, 6, 4, 4, 4, 4, 4 }; + static const int re_enc[] = { 6, 7, 7, 21, 22, 5, 6, 7 }; + static const int rs_rt_enc[] = { 0, 17, 2, 3, 16, 18, 19, 20 }; + + rd = rd_enc[enc_dest]; + re = re_enc[enc_dest]; + rs = rs_rt_enc[enc_rs]; + rt = rs_rt_enc[enc_rt]; + + gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0); + gen_arith_imm(env, ctx, OPC_ADDIU, re, rt, 0); + } + break; + case LBU16: + { + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rb = mmreg(uMIPS_RS(ctx->opcode)); + int16_t offset = ZIMM(ctx->opcode, 0, 4); + offset = (offset == 0xf ? -1 : offset); + + gen_ldst(ctx, OPC_LBU, rd, rb, offset); + } + break; + case LHU16: + { + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rb = mmreg(uMIPS_RS(ctx->opcode)); + int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; + + gen_ldst(ctx, OPC_LHU, rd, rb, offset); + } + break; + case LWSP16: + { + int rd = (ctx->opcode >> 5) & 0x1f; + int rb = 29; /* SP */ + int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; + + gen_ldst(ctx, OPC_LW, rd, rb, offset); + } + break; + case LW16: + { + int rd = mmreg(uMIPS_RD(ctx->opcode)); + int rb = mmreg(uMIPS_RS(ctx->opcode)); + int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; + + gen_ldst(ctx, OPC_LW, rd, rb, offset); + } + break; + case SB16: + { + int rd = mmreg2(uMIPS_RD(ctx->opcode)); + int rb = mmreg(uMIPS_RS(ctx->opcode)); + int16_t offset = ZIMM(ctx->opcode, 0, 4); + + gen_ldst(ctx, OPC_SB, rd, rb, offset); + } + break; + case SH16: + { + int rd = mmreg2(uMIPS_RD(ctx->opcode)); + int rb = mmreg(uMIPS_RS(ctx->opcode)); + int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; + + gen_ldst(ctx, OPC_SH, rd, rb, offset); + } + break; + case SWSP16: + { + int rd = (ctx->opcode >> 5) & 0x1f; + int rb = 29; /* SP */ + int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; + + gen_ldst(ctx, OPC_SW, rd, rb, offset); + } + break; + case SW16: + { + int rd = mmreg2(uMIPS_RD(ctx->opcode)); + int rb = mmreg(uMIPS_RS(ctx->opcode)); + int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; + + gen_ldst(ctx, OPC_SW, rd, rb, offset); + } + break; + case MOVE16: + { + int rd = uMIPS_RD5(ctx->opcode); + int rs = uMIPS_RS5(ctx->opcode); + + gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0); + } + break; + case ANDI16: + gen_andi16(env, ctx); + break; + case POOL16D: + switch (ctx->opcode & 0x1) { + case ADDIUS5: + gen_addius5(env, ctx); + break; + case ADDIUSP: + gen_addiusp(env, ctx); + break; + } + break; + case POOL16E: + switch (ctx->opcode & 0x1) { + case ADDIUR2: + gen_addiur2(env, ctx); + break; + case ADDIUR1SP: + gen_addiur1sp(env, ctx); + break; + } + break; + case B16: + gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, + SIMM(ctx->opcode, 0, 10) << 1); + *is_branch = 1; + break; + case BNEZ16: + case BEQZ16: + gen_compute_branch(ctx, op == BNEZ16 ? OPC_BNE : OPC_BEQ, 2, + mmreg(uMIPS_RD(ctx->opcode)), + 0, SIMM(ctx->opcode, 0, 7) << 1); + *is_branch = 1; + break; + case LI16: + { + int reg = mmreg(uMIPS_RD(ctx->opcode)); + int imm = ZIMM(ctx->opcode, 0, 7); + + imm = (imm == 0x7f ? -1 : imm); + tcg_gen_movi_tl(cpu_gpr[reg], imm); + } + break; + case RES_20: + case RES_28: + case RES_29: + case RES_30: + case RES_31: + case RES_38: + case RES_39: + generate_exception(ctx, EXCP_RI); + break; + default: + decode_micromips32_opc (env, ctx, op, is_branch); + return 4; + } + + return 2; +} + /* SmartMIPS extension to MIPS32 */ #if defined(TARGET_MIPS64) @@ -8999,47 +11593,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) 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); - } + gen_rdhwr(env, ctx, rt, rd); break; case OPC_FORK: check_insn(env, ctx, ASE_MT); @@ -9242,12 +11796,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) 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); - } + gen_cop1_ldst(env, ctx, op, rt, rs, imm); break; case OPC_CP1: @@ -9286,7 +11835,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) case OPC_W_FMT: case OPC_L_FMT: case OPC_PS_FMT: - gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, + gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, (imm >> 8) & 0x7); break; default: @@ -9375,7 +11924,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) break; #endif case OPC_JALX: - check_insn(env, ctx, ASE_MIPS16); + check_insn(env, ctx, ASE_MIPS16 | ASE_MICROMIPS); offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; gen_compute_branch(ctx, op, 4, rs, rt, offset); *is_branch = 1; @@ -9463,11 +12012,15 @@ gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, ctx.opcode = ldl_code(ctx.pc); insn_bytes = 4; decode_opc(env, &ctx, &is_branch); + } else if (env->insn_flags & ASE_MICROMIPS) { + ctx.opcode = lduw_code(ctx.pc); + insn_bytes = decode_micromips_opc(env, &ctx, &is_branch); } else if (env->insn_flags & ASE_MIPS16) { ctx.opcode = lduw_code(ctx.pc); insn_bytes = decode_mips16_opc(env, &ctx, &is_branch); } else { generate_exception(&ctx, EXCP_RI); + ctx.bstate = BS_STOP; break; } if (!is_branch) { |