diff options
Diffstat (limited to 'target-alpha/translate.c')
| -rw-r--r-- | target-alpha/translate.c | 317 |
1 files changed, 133 insertions, 184 deletions
diff --git a/target-alpha/translate.c b/target-alpha/translate.c index 29dffb7409..6ce4207adb 100644 --- a/target-alpha/translate.c +++ b/target-alpha/translate.c @@ -1765,6 +1765,13 @@ static ExitStatus gen_mtpr(DisasContext *ctx, int rb, int regno) } #endif /* !USER_ONLY*/ +#define REQUIRE_TB_FLAG(FLAG) \ + do { \ + if ((ctx->tb->flags & (FLAG)) == 0) { \ + goto invalid_opc; \ + } \ + } while (0) + static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) { uint32_t palcode; @@ -1849,28 +1856,26 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x0A: /* LDBU */ - if (ctx->tb->flags & TB_FLAGS_AMASK_BWX) { - gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_BWX); + gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0); + break; case 0x0B: /* LDQ_U */ gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 1); break; case 0x0C: /* LDWU */ - if (ctx->tb->flags & TB_FLAGS_AMASK_BWX) { - gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 0); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_BWX); + gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 0); + break; case 0x0D: /* STW */ + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_BWX); gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0, 0); break; case 0x0E: /* STB */ + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_BWX); gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0, 0); break; case 0x0F: @@ -2535,12 +2540,10 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) } break; case 0x14: + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_FIX); switch (fpfn) { /* fn11 & 0x3F */ case 0x04: /* ITOFS */ - if ((ctx->tb->flags & TB_FLAGS_AMASK_FIX) == 0) { - goto invalid_opc; - } if (likely(rc != 31)) { if (ra != 31) { TCGv_i32 tmp = tcg_temp_new_i32(); @@ -2553,23 +2556,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x0A: /* SQRTF */ - if (ctx->tb->flags & TB_FLAGS_AMASK_FIX) { - gen_fsqrtf(rb, rc); - break; - } - goto invalid_opc; + gen_fsqrtf(rb, rc); + break; case 0x0B: /* SQRTS */ - if (ctx->tb->flags & TB_FLAGS_AMASK_FIX) { - gen_fsqrts(ctx, rb, rc, fn11); - break; - } - goto invalid_opc; + gen_fsqrts(ctx, rb, rc, fn11); + break; case 0x14: /* ITOFF */ - if ((ctx->tb->flags & TB_FLAGS_AMASK_FIX) == 0) { - goto invalid_opc; - } if (likely(rc != 31)) { if (ra != 31) { TCGv_i32 tmp = tcg_temp_new_i32(); @@ -2582,9 +2576,6 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x24: /* ITOFT */ - if ((ctx->tb->flags & TB_FLAGS_AMASK_FIX) == 0) { - goto invalid_opc; - } if (likely(rc != 31)) { if (ra != 31) { tcg_gen_mov_i64(cpu_fir[rc], cpu_ir[ra]); @@ -2595,18 +2586,12 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x2A: /* SQRTG */ - if (ctx->tb->flags & TB_FLAGS_AMASK_FIX) { - gen_fsqrtg(rb, rc); - break; - } - goto invalid_opc; + gen_fsqrtg(rb, rc); + break; case 0x02B: /* SQRTT */ - if (ctx->tb->flags & TB_FLAGS_AMASK_FIX) { - gen_fsqrtt(ctx, rb, rc, fn11); - break; - } - goto invalid_opc; + gen_fsqrtt(ctx, rb, rc, fn11); + break; default: goto invalid_opc; } @@ -2918,11 +2903,11 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) case 0x19: /* HW_MFPR (PALcode) */ #ifndef CONFIG_USER_ONLY - if (ctx->tb->flags & TB_FLAGS_PAL_MODE) { - return gen_mfpr(ra, insn & 0xffff); - } -#endif + REQUIRE_TB_FLAG(TB_FLAGS_PAL_MODE); + return gen_mfpr(ra, insn & 0xffff); +#else goto invalid_opc; +#endif case 0x1A: /* JMP, JSR, RET, JSR_COROUTINE. These only differ by the branch prediction stack action, which of course we don't implement. */ @@ -2939,7 +2924,8 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) case 0x1B: /* HW_LD (PALcode) */ #ifndef CONFIG_USER_ONLY - if (ctx->tb->flags & TB_FLAGS_PAL_MODE) { + REQUIRE_TB_FLAG(TB_FLAGS_PAL_MODE); + { TCGv addr; if (ra == 31) { @@ -3016,15 +3002,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) tcg_temp_free(addr); break; } -#endif +#else goto invalid_opc; +#endif case 0x1C: switch (fn7) { case 0x00: /* SEXTB */ - if ((ctx->tb->flags & TB_FLAGS_AMASK_BWX) == 0) { - goto invalid_opc; - } + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_BWX); if (likely(rc != 31)) { if (islit) { tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int8_t)lit)); @@ -3035,164 +3020,128 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x01: /* SEXTW */ - if (ctx->tb->flags & TB_FLAGS_AMASK_BWX) { - if (likely(rc != 31)) { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int16_t)lit)); - } else { - tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]); - } + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_BWX); + if (likely(rc != 31)) { + if (islit) { + tcg_gen_movi_i64(cpu_ir[rc], (int64_t)((int16_t)lit)); + } else { + tcg_gen_ext16s_i64(cpu_ir[rc], cpu_ir[rb]); } - break; } - goto invalid_opc; + break; case 0x30: /* CTPOP */ - if (ctx->tb->flags & TB_FLAGS_AMASK_CIX) { - if (likely(rc != 31)) { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], ctpop64(lit)); - } else { - gen_helper_ctpop(cpu_ir[rc], cpu_ir[rb]); - } + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX); + if (likely(rc != 31)) { + if (islit) { + tcg_gen_movi_i64(cpu_ir[rc], ctpop64(lit)); + } else { + gen_helper_ctpop(cpu_ir[rc], cpu_ir[rb]); } - break; } - goto invalid_opc; + break; case 0x31: /* PERR */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_perr(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_perr(ra, rb, rc, islit, lit); + break; case 0x32: /* CTLZ */ - if (ctx->tb->flags & TB_FLAGS_AMASK_CIX) { - if (likely(rc != 31)) { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], clz64(lit)); - } else { - gen_helper_ctlz(cpu_ir[rc], cpu_ir[rb]); - } + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX); + if (likely(rc != 31)) { + if (islit) { + tcg_gen_movi_i64(cpu_ir[rc], clz64(lit)); + } else { + gen_helper_ctlz(cpu_ir[rc], cpu_ir[rb]); } - break; } - goto invalid_opc; + break; case 0x33: /* CTTZ */ - if (ctx->tb->flags & TB_FLAGS_AMASK_CIX) { - if (likely(rc != 31)) { - if (islit) { - tcg_gen_movi_i64(cpu_ir[rc], ctz64(lit)); - } else { - gen_helper_cttz(cpu_ir[rc], cpu_ir[rb]); - } + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_CIX); + if (likely(rc != 31)) { + if (islit) { + tcg_gen_movi_i64(cpu_ir[rc], ctz64(lit)); + } else { + gen_helper_cttz(cpu_ir[rc], cpu_ir[rb]); } - break; } - goto invalid_opc; + break; case 0x34: /* UNPKBW */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - if (real_islit || ra != 31) { - goto invalid_opc; - } - gen_unpkbw(rb, rc); - break; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + if (real_islit || ra != 31) { + goto invalid_opc; } - goto invalid_opc; + gen_unpkbw(rb, rc); + break; case 0x35: /* UNPKBL */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - if (real_islit || ra != 31) { - goto invalid_opc; - } - gen_unpkbl(rb, rc); - break; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + if (real_islit || ra != 31) { + goto invalid_opc; } - goto invalid_opc; + gen_unpkbl(rb, rc); + break; case 0x36: /* PKWB */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - if (real_islit || ra != 31) { - goto invalid_opc; - } - gen_pkwb(rb, rc); - break; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + if (real_islit || ra != 31) { + goto invalid_opc; } - goto invalid_opc; + gen_pkwb(rb, rc); + break; case 0x37: /* PKLB */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - if (real_islit || ra != 31) { - goto invalid_opc; - } - gen_pklb(rb, rc); - break; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + if (real_islit || ra != 31) { + goto invalid_opc; } - goto invalid_opc; + gen_pklb(rb, rc); + break; case 0x38: /* MINSB8 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_minsb8(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_minsb8(ra, rb, rc, islit, lit); + break; case 0x39: /* MINSW4 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_minsw4(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_minsw4(ra, rb, rc, islit, lit); + break; case 0x3A: /* MINUB8 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_minub8(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_minub8(ra, rb, rc, islit, lit); + break; case 0x3B: /* MINUW4 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_minuw4(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_minuw4(ra, rb, rc, islit, lit); + break; case 0x3C: /* MAXUB8 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_maxub8(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_maxub8(ra, rb, rc, islit, lit); + break; case 0x3D: /* MAXUW4 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_maxuw4(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_maxuw4(ra, rb, rc, islit, lit); + break; case 0x3E: /* MAXSB8 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_maxsb8(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_maxsb8(ra, rb, rc, islit, lit); + break; case 0x3F: /* MAXSW4 */ - if (ctx->tb->flags & TB_FLAGS_AMASK_MVI) { - gen_maxsw4(ra, rb, rc, islit, lit); - break; - } - goto invalid_opc; + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_MVI); + gen_maxsw4(ra, rb, rc, islit, lit); + break; case 0x70: /* FTOIT */ - if ((ctx->tb->flags & TB_FLAGS_AMASK_FIX) == 0) { - goto invalid_opc; - } + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_FIX); if (likely(rc != 31)) { if (ra != 31) { tcg_gen_mov_i64(cpu_ir[rc], cpu_fir[ra]); @@ -3203,9 +3152,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) break; case 0x78: /* FTOIS */ - if ((ctx->tb->flags & TB_FLAGS_AMASK_FIX) == 0) { - goto invalid_opc; - } + REQUIRE_TB_FLAG(TB_FLAGS_AMASK_FIX); if (rc != 31) { TCGv_i32 tmp1 = tcg_temp_new_i32(); if (ra != 31) { @@ -3226,35 +3173,36 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) case 0x1D: /* HW_MTPR (PALcode) */ #ifndef CONFIG_USER_ONLY - if (ctx->tb->flags & TB_FLAGS_PAL_MODE) { - return gen_mtpr(ctx, rb, insn & 0xffff); - } -#endif + REQUIRE_TB_FLAG(TB_FLAGS_PAL_MODE); + return gen_mtpr(ctx, rb, insn & 0xffff); +#else goto invalid_opc; +#endif case 0x1E: /* HW_RET (PALcode) */ #ifndef CONFIG_USER_ONLY - if (ctx->tb->flags & TB_FLAGS_PAL_MODE) { - if (rb == 31) { - /* Pre-EV6 CPUs interpreted this as HW_REI, loading the return - address from EXC_ADDR. This turns out to be useful for our - emulation PALcode, so continue to accept it. */ - TCGv tmp = tcg_temp_new(); - tcg_gen_ld_i64(tmp, cpu_env, offsetof(CPUAlphaState, exc_addr)); - gen_helper_hw_ret(cpu_env, tmp); - tcg_temp_free(tmp); - } else { - gen_helper_hw_ret(cpu_env, cpu_ir[rb]); - } - ret = EXIT_PC_UPDATED; - break; + REQUIRE_TB_FLAG(TB_FLAGS_PAL_MODE); + if (rb == 31) { + /* Pre-EV6 CPUs interpreted this as HW_REI, loading the return + address from EXC_ADDR. This turns out to be useful for our + emulation PALcode, so continue to accept it. */ + TCGv tmp = tcg_temp_new(); + tcg_gen_ld_i64(tmp, cpu_env, offsetof(CPUAlphaState, exc_addr)); + gen_helper_hw_ret(cpu_env, tmp); + tcg_temp_free(tmp); + } else { + gen_helper_hw_ret(cpu_env, cpu_ir[rb]); } -#endif + ret = EXIT_PC_UPDATED; + break; +#else goto invalid_opc; +#endif case 0x1F: /* HW_ST (PALcode) */ #ifndef CONFIG_USER_ONLY - if (ctx->tb->flags & TB_FLAGS_PAL_MODE) { + REQUIRE_TB_FLAG(TB_FLAGS_PAL_MODE); + { TCGv addr, val; addr = tcg_temp_new(); if (rb != 31) { @@ -3328,8 +3276,9 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn) tcg_temp_free(addr); break; } -#endif +#else goto invalid_opc; +#endif case 0x20: /* LDF */ gen_load_mem(ctx, &gen_qemu_ldf, ra, rb, disp16, 1, 0); |