diff options
Diffstat (limited to 'target/mips/tcg/translate.c')
| -rw-r--r-- | target/mips/tcg/translate.c | 258 |
1 files changed, 56 insertions, 202 deletions
diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c index 5b03545..6f4a9a8 100644 --- a/target/mips/tcg/translate.c +++ b/target/mips/tcg/translate.c @@ -294,26 +294,6 @@ enum { R6_OPC_SDBBP = 0x0e | OPC_SPECIAL, }; -/* Multiplication variants of the vr54xx. */ -#define MASK_MUL_VR54XX(op) (MASK_SPECIAL(op) | (op & (0x1F << 6))) - -enum { - OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT, - OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU, - OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT, - OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU, - OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT, - OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU, - OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT, - OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU, - OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT, - OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU, - OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT, - OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU, - OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT, - OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU, -}; - /* REGIMM (rt field) opcodes */ #define MASK_REGIMM(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 16))) @@ -1233,48 +1213,6 @@ TCGv_i64 fpu_f64[32]; #include "exec/gen-icount.h" -#define gen_helper_0e0i(name, arg) do { \ - TCGv_i32 helper_tmp = tcg_const_i32(arg); \ - gen_helper_##name(cpu_env, helper_tmp); \ - tcg_temp_free_i32(helper_tmp); \ - } while (0) - -#define gen_helper_0e1i(name, arg1, arg2) do { \ - TCGv_i32 helper_tmp = tcg_const_i32(arg2); \ - gen_helper_##name(cpu_env, arg1, helper_tmp); \ - tcg_temp_free_i32(helper_tmp); \ - } while (0) - -#define gen_helper_1e0i(name, ret, arg1) do { \ - TCGv_i32 helper_tmp = tcg_const_i32(arg1); \ - gen_helper_##name(ret, cpu_env, helper_tmp); \ - tcg_temp_free_i32(helper_tmp); \ - } while (0) - -#define gen_helper_1e1i(name, ret, arg1, arg2) do { \ - TCGv_i32 helper_tmp = tcg_const_i32(arg2); \ - gen_helper_##name(ret, cpu_env, arg1, helper_tmp); \ - tcg_temp_free_i32(helper_tmp); \ - } while (0) - -#define gen_helper_0e2i(name, arg1, arg2, arg3) do { \ - TCGv_i32 helper_tmp = tcg_const_i32(arg3); \ - gen_helper_##name(cpu_env, arg1, arg2, helper_tmp); \ - tcg_temp_free_i32(helper_tmp); \ - } while (0) - -#define gen_helper_1e2i(name, ret, arg1, arg2, arg3) do { \ - TCGv_i32 helper_tmp = tcg_const_i32(arg3); \ - gen_helper_##name(ret, cpu_env, arg1, arg2, helper_tmp); \ - tcg_temp_free_i32(helper_tmp); \ - } while (0) - -#define gen_helper_0e3i(name, arg1, arg2, arg3, arg4) do { \ - TCGv_i32 helper_tmp = tcg_const_i32(arg4); \ - gen_helper_##name(cpu_env, arg1, arg2, arg3, helper_tmp); \ - tcg_temp_free_i32(helper_tmp); \ - } while (0) - #define DISAS_STOP DISAS_TARGET_0 #define DISAS_EXIT DISAS_TARGET_1 @@ -1413,18 +1351,15 @@ static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx) void generate_exception_err(DisasContext *ctx, int excp, int err) { - TCGv_i32 texcp = tcg_const_i32(excp); - TCGv_i32 terr = tcg_const_i32(err); save_cpu_state(ctx, 1); - gen_helper_raise_exception_err(cpu_env, texcp, terr); - tcg_temp_free_i32(terr); - tcg_temp_free_i32(texcp); + gen_helper_raise_exception_err(cpu_env, tcg_constant_i32(excp), + tcg_constant_i32(err)); ctx->base.is_jmp = DISAS_NORETURN; } void generate_exception(DisasContext *ctx, int excp) { - gen_helper_0e0i(raise_exception, excp); + gen_helper_raise_exception(cpu_env, tcg_constant_i32(excp)); } void generate_exception_end(DisasContext *ctx, int excp) @@ -2033,7 +1968,7 @@ static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ DisasContext *ctx) \ { \ - gen_helper_1e1i(insn, ret, arg1, mem_idx); \ + gen_helper_##insn(ret, cpu_env, arg1, tcg_constant_i32(mem_idx)); \ } #endif OP_LD_ATOMIC(ll, ld32s); @@ -2113,9 +2048,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc, */ tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 7); -#ifndef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 7); -#endif + if (!cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 7); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~7); tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ); @@ -2137,9 +2072,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc, */ tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 7); -#ifdef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 7); -#endif + if (cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 7); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~7); tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ); @@ -2218,9 +2153,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc, */ tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 3); -#ifndef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 3); -#endif + if (!cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 3); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~3); tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL); @@ -2246,9 +2181,9 @@ static void gen_ld(DisasContext *ctx, uint32_t opc, */ tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 3); -#ifdef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 3); -#endif + if (cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 3); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~3); tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL); @@ -3764,70 +3699,6 @@ static void gen_mul_txx9(DisasContext *ctx, uint32_t opc, tcg_temp_free(t1); } -static void gen_mul_vr54xx(DisasContext *ctx, uint32_t opc, - int rd, int rs, int rt) -{ - TCGv t0 = tcg_temp_new(); - TCGv t1 = tcg_temp_new(); - - gen_load_gpr(t0, rs); - gen_load_gpr(t1, rt); - - switch (opc) { - case OPC_VR54XX_MULS: - gen_helper_muls(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MULSU: - gen_helper_mulsu(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MACC: - gen_helper_macc(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MACCU: - gen_helper_maccu(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MSAC: - gen_helper_msac(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MSACU: - gen_helper_msacu(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MULHI: - gen_helper_mulhi(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MULHIU: - gen_helper_mulhiu(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MULSHI: - gen_helper_mulshi(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MULSHIU: - gen_helper_mulshiu(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MACCHI: - gen_helper_macchi(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MACCHIU: - gen_helper_macchiu(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MSACHI: - gen_helper_msachi(t0, cpu_env, t0, t1); - break; - case OPC_VR54XX_MSACHIU: - gen_helper_msachiu(t0, cpu_env, t0, t1); - break; - default: - MIPS_INVAL("mul vr54xx"); - gen_reserved_instruction(ctx); - goto out; - } - gen_store_gpr(t0, rd); - - out: - tcg_temp_free(t0); - tcg_temp_free(t1); -} - static void gen_cl(DisasContext *ctx, uint32_t opc, int rd, int rs) { @@ -4529,9 +4400,9 @@ static void gen_loongson_lswc2(DisasContext *ctx, int rt, t1 = tcg_temp_new(); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 3); -#ifndef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 3); -#endif + if (!cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 3); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~3); tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); @@ -4559,9 +4430,9 @@ static void gen_loongson_lswc2(DisasContext *ctx, int rt, t1 = tcg_temp_new(); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 3); -#ifdef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 3); -#endif + if (cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 3); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~3); tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); @@ -4591,9 +4462,9 @@ static void gen_loongson_lswc2(DisasContext *ctx, int rt, t1 = tcg_temp_new(); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 7); -#ifndef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 7); -#endif + if (!cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 7); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~7); tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); @@ -4613,9 +4484,9 @@ static void gen_loongson_lswc2(DisasContext *ctx, int rt, t1 = tcg_temp_new(); tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); tcg_gen_andi_tl(t1, t0, 7); -#ifdef TARGET_WORDS_BIGENDIAN - tcg_gen_xori_tl(t1, t1, 7); -#endif + if (cpu_is_bigendian(ctx)) { + tcg_gen_xori_tl(t1, t1, 7); + } tcg_gen_shli_tl(t1, t1, 3); tcg_gen_andi_tl(t0, t0, ~7); tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); @@ -4777,7 +4648,6 @@ static void gen_loongson_lsdc2(DisasContext *ctx, int rt, break; #endif case OPC_GSLWXC1: - check_cp1_enabled(ctx); gen_base_offset_addr(ctx, t0, rs, offset); if (rd) { gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); @@ -4790,7 +4660,6 @@ static void gen_loongson_lsdc2(DisasContext *ctx, int rt, break; #if defined(TARGET_MIPS64) case OPC_GSLDXC1: - check_cp1_enabled(ctx); gen_base_offset_addr(ctx, t0, rs, offset); if (rd) { gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); @@ -9170,12 +9039,7 @@ static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt, break; case 3: /* XXX: For now we support only a single FPU context. */ - { - TCGv_i32 fs_tmp = tcg_const_i32(rd); - - gen_helper_0e2i(ctc1, t0, fs_tmp, rt); - tcg_temp_free_i32(fs_tmp); - } + gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt); /* Stop translation as we may have changed hflags */ ctx->base.is_jmp = DISAS_STOP; break; @@ -9792,12 +9656,7 @@ static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs) case OPC_CTC1: gen_load_gpr(t0, rt); save_cpu_state(ctx, 0); - { - TCGv_i32 fs_tmp = tcg_const_i32(fs); - - gen_helper_0e2i(ctc1, t0, fs_tmp, rt); - tcg_temp_free_i32(fs_tmp); - } + gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt); /* Stop translation as we may have changed hflags */ ctx->base.is_jmp = DISAS_STOP; break; @@ -11550,17 +11409,17 @@ static void gen_flt3_arith(DisasContext *ctx, uint32_t opc, gen_set_label(l1); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2); tcg_temp_free(t0); -#ifdef TARGET_WORDS_BIGENDIAN - gen_load_fpr32(ctx, fp, fs); - gen_load_fpr32h(ctx, fph, ft); - gen_store_fpr32h(ctx, fp, fd); - gen_store_fpr32(ctx, fph, fd); -#else - gen_load_fpr32h(ctx, fph, fs); - gen_load_fpr32(ctx, fp, ft); - gen_store_fpr32(ctx, fph, fd); - gen_store_fpr32h(ctx, fp, fd); -#endif + if (cpu_is_bigendian(ctx)) { + gen_load_fpr32(ctx, fp, fs); + gen_load_fpr32h(ctx, fph, ft); + gen_store_fpr32h(ctx, fp, fd); + gen_store_fpr32(ctx, fph, fd); + } else { + gen_load_fpr32h(ctx, fph, fs); + gen_load_fpr32(ctx, fp, ft); + gen_store_fpr32(ctx, fph, fd); + gen_store_fpr32h(ctx, fp, fd); + } gen_set_label(l2); tcg_temp_free_i32(fp); tcg_temp_free_i32(fph); @@ -14144,13 +14003,12 @@ static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx) static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) { - int rs, rt, rd, sa; + int rs, rt, rd; uint32_t op1; rs = (ctx->opcode >> 21) & 0x1f; rt = (ctx->opcode >> 16) & 0x1f; rd = (ctx->opcode >> 11) & 0x1f; - sa = (ctx->opcode >> 6) & 0x1f; op1 = MASK_SPECIAL(ctx->opcode); switch (op1) { @@ -14180,13 +14038,7 @@ static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) break; case OPC_MULT: case OPC_MULTU: - if (sa) { - check_insn(ctx, INSN_VR54XX); - op1 = MASK_MUL_VR54XX(ctx->opcode); - gen_mul_vr54xx(ctx, op1, rd, rs, rt); - } else { - gen_muldiv(ctx, op1, rd & 3, rs, rt); - } + gen_muldiv(ctx, op1, rd & 3, rs, rt); break; case OPC_DIV: case OPC_DIVU: @@ -14203,7 +14055,7 @@ static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) break; #endif case OPC_JR: - gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4); + gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4); break; case OPC_SPIM: #ifdef MIPS_STRICT_STANDARD @@ -14317,7 +14169,7 @@ static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx) MIPS_INVAL("PMON / selsl"); gen_reserved_instruction(ctx); #else - gen_helper_0e0i(pmon, sa); + gen_helper_pmon(cpu_env, tcg_constant_i32(sa)); #endif break; case OPC_SYSCALL: @@ -15739,12 +15591,8 @@ static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) /* Treat as NOP. */ break; case OPC_PREF: - if (ctx->insn_flags & INSN_R5900) { - /* Treat as NOP. */ - } else { - check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); - /* Treat as NOP. */ - } + check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900); + /* Treat as NOP. */ break; /* Floating point (COP1). */ @@ -16098,6 +15946,14 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) /* Transition to the auto-generated decoder. */ + /* Vendor specific extensions */ + if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) { + return; + } + if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) { + return; + } + /* ISA extensions */ if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) { return; @@ -16107,9 +15963,6 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) if (cpu_supports_isa(env, ISA_MIPS_R6) && decode_isa_rel6(ctx, ctx->opcode)) { return; } - if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) { - return; - } if (decode_opc_legacy(env, ctx)) { return; @@ -16126,6 +15979,7 @@ static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) ctx->page_start = ctx->base.pc_first & TARGET_PAGE_MASK; ctx->saved_pc = -1; ctx->insn_flags = env->insn_flags; + ctx->CP0_Config0 = env->CP0_Config0; ctx->CP0_Config1 = env->CP0_Config1; ctx->CP0_Config2 = env->CP0_Config2; ctx->CP0_Config3 = env->CP0_Config3; |