diff options
Diffstat (limited to 'target-mips')
| -rw-r--r-- | target-mips/cpu.h | 1 | ||||
| -rw-r--r-- | target-mips/exec.h | 4 | ||||
| -rw-r--r-- | target-mips/translate.c | 118 | ||||
| -rw-r--r-- | target-mips/translate_init.c | 2 |
4 files changed, 83 insertions, 42 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h index 957b6e8d66..49b7e63a49 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -158,6 +158,7 @@ struct CPUMIPSState { CPUMIPSTLBContext *tlb; CPUMIPSFPUContext *fpu; uint32_t current_tc; + target_ulong *current_tc_gprs; uint32_t SEGBITS; target_ulong SEGMask; diff --git a/target-mips/exec.h b/target-mips/exec.h index 5b8206acf7..a8ad0b97c3 100644 --- a/target-mips/exec.h +++ b/target-mips/exec.h @@ -14,8 +14,8 @@ register struct CPUMIPSState *env asm(AREG0); #define T0 (env->t0) #define T1 (env->t1) #else -register target_ulong T0 asm(AREG2); -register target_ulong T1 asm(AREG3); +register target_ulong T0 asm(AREG1); +register target_ulong T1 asm(AREG2); #endif #if defined (USE_HOST_FLOAT_REGS) diff --git a/target-mips/translate.c b/target-mips/translate.c index 6121c2830e..2ddb0fdf67 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -422,41 +422,71 @@ enum { }; /* global register indices */ -static TCGv cpu_env, current_tc_regs, cpu_T[2]; +static TCGv cpu_env, current_tc_gprs, cpu_T[2]; +/* General purpose registers moves */ const unsigned 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", }; -/* Warning: no function for r0 register (hard wired to zero) */ -#define GEN32(func, NAME) \ -static GenOpFunc *NAME ## _table [32] = { \ -NULL, NAME ## 1, NAME ## 2, NAME ## 3, \ -NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ -NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ -NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ -NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ -NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ -NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ -NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ -}; \ -static always_inline void func(int n) \ -{ \ - NAME ## _table[n](); \ +static inline void gen_op_load_gpr_TN(int t_index, int reg) +{ + tcg_gen_ld_tl(cpu_T[t_index], current_tc_gprs, sizeof(target_ulong) * reg); } -/* General purpose registers moves */ -GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); -GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); +static inline void gen_op_load_gpr_T0(int reg) +{ + gen_op_load_gpr_TN(0, reg); +} + +static inline void gen_op_load_gpr_T1(int reg) +{ + gen_op_load_gpr_TN(1, reg); +} + +static inline void gen_op_store_gpr_TN(int t_index, int reg) +{ + tcg_gen_st_tl(cpu_T[t_index], current_tc_gprs, sizeof(target_ulong) * reg); +} + +static inline void gen_op_store_gpr_T0(int reg) +{ + gen_op_store_gpr_TN(0, reg); +} -GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); -GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); +static inline void gen_op_store_gpr_T1(int reg) +{ + gen_op_store_gpr_TN(1, reg); +} /* Moves to/from shadow registers */ -GEN32(gen_op_load_srsgpr_T0, gen_op_load_srsgpr_T0_gpr); -GEN32(gen_op_store_T0_srsgpr, gen_op_store_T0_srsgpr_gpr); +static inline void gen_op_load_srsgpr_T0(int reg) +{ + int r_tmp = tcg_temp_new(TCG_TYPE_I32); + + tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); + tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS); + tcg_gen_andi_i32(r_tmp, r_tmp, 0xf); + tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32); + tcg_gen_add_i32(r_tmp, cpu_env, r_tmp); + + tcg_gen_ld_tl(cpu_T[0], r_tmp, sizeof(target_ulong) * reg); +} + +static inline void gen_op_store_srsgpr_T0(int reg) +{ + int r_tmp = tcg_temp_new(TCG_TYPE_I32); + + tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); + tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS); + tcg_gen_andi_i32(r_tmp, r_tmp, 0xf); + tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32); + tcg_gen_add_i32(r_tmp, cpu_env, r_tmp); + + tcg_gen_st_tl(cpu_T[0], r_tmp, sizeof(target_ulong) * reg); +} static const char *fregnames[] = { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", @@ -634,7 +664,7 @@ do { \ #define GEN_STORE_T0_REG(Rn) \ do { \ if (Rn != 0) { \ - glue(gen_op_store_T0,_gpr)(Rn); \ + gen_op_store_gpr_T0(Rn); \ ctx->glue(last_T0,_store) = gen_opc_ptr; \ ctx->glue(last_T0,_gpr) = Rn; \ } \ @@ -643,14 +673,13 @@ do { \ #define GEN_STORE_T1_REG(Rn) \ do { \ if (Rn != 0) \ - glue(gen_op_store_T1,_gpr)(Rn); \ + gen_op_store_gpr_T1(Rn); \ } while (0) #define GEN_STORE_TN_SRSREG(Rn, Tn) \ do { \ - if (Rn != 0) { \ - glue(glue(gen_op_store_, Tn),_srsgpr)(Rn); \ - } \ + if (Rn != 0) \ + glue(gen_op_store_srsgpr_, Tn)(Rn); \ } while (0) #define GEN_LOAD_FREG_FTN(FTn, Fn) \ @@ -813,6 +842,7 @@ static always_inline void check_mips_64(DisasContext *ctx) generate_exception(ctx, EXCP_RI); } +/* load/store instructions. */ #if defined(CONFIG_USER_ONLY) #define op_ldst(name) gen_op_##name##_raw() #define OP_LD_TABLE(width) @@ -1638,7 +1668,7 @@ static void gen_cl (DisasContext *ctx, uint32_t opc, generate_exception(ctx, EXCP_RI); return; } - gen_op_store_T0_gpr(rd); + gen_op_store_gpr_T0(rd); MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]); } @@ -1870,12 +1900,12 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, return; case OPC_BLTZAL: /* 0 < 0 */ GEN_LOAD_IMM_TN(T0, ctx->pc + 8); - gen_op_store_T0_gpr(31); + gen_op_store_gpr_T0(31); MIPS_DEBUG("bnever and link"); return; case OPC_BLTZALL: /* 0 < 0 likely */ GEN_LOAD_IMM_TN(T0, ctx->pc + 8); - gen_op_store_T0_gpr(31); + gen_op_store_gpr_T0(31); /* Skip the instruction in the delay slot */ MIPS_DEBUG("bnever, link and skip"); ctx->pc += 4; @@ -2002,7 +2032,7 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc, ctx->btarget = btarget; if (blink > 0) { GEN_LOAD_IMM_TN(T0, ctx->pc + 8); - gen_op_store_T0_gpr(blink); + gen_op_store_gpr_T0(blink); } } @@ -4721,7 +4751,7 @@ static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int return; } gen_mfc0(env, ctx, rd, ctx->opcode & 0x7); - gen_op_store_T0_gpr(rt); + gen_op_store_gpr_T0(rt); opn = "mfc0"; break; case OPC_MTC0: @@ -4738,7 +4768,7 @@ static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int return; } gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7); - gen_op_store_T0_gpr(rt); + gen_op_store_gpr_T0(rt); opn = "dmfc0"; break; case OPC_DMTC0: @@ -4757,7 +4787,7 @@ static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int } gen_mftr(env, ctx, rt, (ctx->opcode >> 5) & 1, ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); - gen_op_store_T0_gpr(rd); + gen_op_store_gpr_T0(rd); opn = "mftr"; break; case OPC_MTTR: @@ -6806,8 +6836,13 @@ void fpu_dump_state(CPUState *env, FILE *f, void dump_fpu (CPUState *env) { if (loglevel) { - fprintf(logfile, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n", - env->PC[env->current_tc], env->HI[env->current_tc][0], env->LO[env->current_tc][0], env->hflags, env->btarget, env->bcond); + fprintf(logfile, + "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx + " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx + " %04x\n", + env->PC[env->current_tc], env->HI[env->current_tc][0], + env->LO[env->current_tc][0], env->hflags, env->btarget, + env->bcond); fpu_dump_state(env, logfile, fprintf, 0); } } @@ -6881,15 +6916,18 @@ static void mips_tcg_init(void) return; cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env"); - current_tc_regs = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG1, "current_tc_regs"); + current_tc_gprs = tcg_global_mem_new(TCG_TYPE_PTR, + TCG_AREG0, + offsetof(CPUState, current_tc_gprs), + "current_tc_gprs"); #if TARGET_LONG_BITS > HOST_LONG_BITS cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0, offsetof(CPUState, t0), "T0"); cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0, offsetof(CPUState, t1), "T1"); #else - cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T0"); - cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG3, "T1"); + cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0"); + cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1"); #endif inited = 1; diff --git a/target-mips/translate_init.c b/target-mips/translate_init.c index 72788e81c9..d069285c8b 100644 --- a/target-mips/translate_init.c +++ b/target-mips/translate_init.c @@ -543,6 +543,8 @@ static int cpu_mips_register (CPUMIPSState *env, const mips_def_t *def) env->CP0_Status_rw_bitmask = def->CP0_Status_rw_bitmask; env->CP0_TCStatus_rw_bitmask = def->CP0_TCStatus_rw_bitmask; env->CP0_SRSCtl = def->CP0_SRSCtl; + env->current_tc = 0; + env->current_tc_gprs = &env->gpr[env->current_tc][0]; env->SEGBITS = def->SEGBITS; env->SEGMask = (target_ulong)((1ULL << def->SEGBITS) - 1); #if defined(TARGET_MIPS64) |