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envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x32c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Paolo Bonzini Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson Reviewed-by: Paolo Bonzini Message-Id: <20210514151342.384376-2-richard.henderson@linaro.org> --- target/i386/tcg/translate.c | 68 ++++++++++++++++++++----------------- 1 file changed, 37 insertions(+), 31 deletions(-) -- 2.25.1 diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index db56a48343..2672e08197 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -1276,6 +1276,12 @@ static void gen_illegal_opcode(DisasContext *s) gen_exception(s, EXCP06_ILLOP, s->pc_start - s->cs_base); } +/* Generate #GP for the current instruction. */ +static void gen_exception_gpf(DisasContext *s) +{ + gen_exception(s, EXCP0D_GPF, s->pc_start - s->cs_base); +} + /* if d == OR_TMP0, it means memory operand (address in A0) */ static void gen_op(DisasContext *s1, int op, MemOp ot, int d) { @@ -4502,7 +4508,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) s->vex_l = 0; s->vex_v = 0; if (sigsetjmp(s->jmpbuf, 0) != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); return s->pc; } @@ -6567,7 +6573,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) set_cc_op(s, CC_OP_EFLAGS); } else if (s->vm86) { if (s->iopl != 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_iret_real(cpu_env, tcg_const_i32(dflag - 1)); set_cc_op(s, CC_OP_EFLAGS); @@ -6689,7 +6695,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x9c: /* pushf */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_PUSHF); if (s->vm86 && s->iopl != 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_update_cc_op(s); gen_helper_read_eflags(s->T0, cpu_env); @@ -6699,7 +6705,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x9d: /* popf */ gen_svm_check_intercept(s, pc_start, SVM_EXIT_POPF); if (s->vm86 && s->iopl != 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { ot = gen_pop_T0(s); if (s->cpl == 0) { @@ -7061,7 +7067,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0xcd: /* int N */ val = x86_ldub_code(env, s); if (s->vm86 && s->iopl != 3) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_interrupt(s, val, pc_start - s->cs_base, s->pc - s->cs_base); } @@ -7084,13 +7090,13 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) if (s->cpl <= s->iopl) { gen_helper_cli(cpu_env); } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } } else { if (s->iopl == 3) { gen_helper_cli(cpu_env); } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } } break; @@ -7101,7 +7107,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) gen_jmp_im(s, s->pc - s->cs_base); gen_eob_inhibit_irq(s, true); } else { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } break; case 0x62: /* bound */ @@ -7194,7 +7200,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x130: /* wrmsr */ case 0x132: /* rdmsr */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); @@ -7226,7 +7232,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) if (CODE64(s) && env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1) goto illegal_op; if (!s->pe) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_sysenter(cpu_env); gen_eob(s); @@ -7237,7 +7243,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) if (CODE64(s) && env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1) goto illegal_op; if (!s->pe) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_sysexit(cpu_env, tcg_const_i32(dflag - 1)); gen_eob(s); @@ -7256,7 +7262,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) break; case 0x107: /* sysret */ if (!s->pe) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_helper_sysret(cpu_env, tcg_const_i32(dflag - 1)); /* condition codes are modified only in long mode */ @@ -7278,7 +7284,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) break; case 0xf4: /* hlt */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_update_cc_op(s); gen_jmp_im(s, pc_start - s->cs_base); @@ -7304,7 +7310,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) if (!s->pe || s->vm86) goto illegal_op; if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, SVM_EXIT_LDTR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); @@ -7325,7 +7331,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) if (!s->pe || s->vm86) goto illegal_op; if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, SVM_EXIT_TR_WRITE); gen_ldst_modrm(env, s, modrm, MO_16, OR_TMP0, 0); @@ -7441,7 +7447,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) goto illegal_op; } if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } tcg_gen_concat_tl_i64(s->tmp1_i64, cpu_regs[R_EAX], @@ -7458,7 +7464,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) goto illegal_op; } if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7483,7 +7489,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) goto illegal_op; } if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7496,7 +7502,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) goto illegal_op; } if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7511,7 +7517,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) goto illegal_op; } if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7525,7 +7531,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) goto illegal_op; } if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7549,7 +7555,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) goto illegal_op; } if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7559,7 +7565,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) CASE_MODRM_MEM_OP(2): /* lgdt */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_GDTR_WRITE); @@ -7576,7 +7582,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) CASE_MODRM_MEM_OP(3): /* lidt */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_IDTR_WRITE); @@ -7622,7 +7628,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) break; CASE_MODRM_OP(6): /* lmsw */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); @@ -7634,7 +7640,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) CASE_MODRM_MEM_OP(7): /* invlpg */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); break; } gen_update_cc_op(s); @@ -7649,7 +7655,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) #ifdef TARGET_X86_64 if (CODE64(s)) { if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { tcg_gen_mov_tl(s->T0, cpu_seg_base[R_GS]); tcg_gen_ld_tl(cpu_seg_base[R_GS], cpu_env, @@ -7685,7 +7691,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x108: /* invd */ case 0x109: /* wbinvd */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, (b & 2) ? SVM_EXIT_INVD : SVM_EXIT_WBINVD); /* nothing to do */ @@ -8009,7 +8015,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x120: /* mov reg, crN */ case 0x122: /* mov crN, reg */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { modrm = x86_ldub_code(env, s); /* Ignore the mod bits (assume (modrm&0xc0)==0xc0). @@ -8063,7 +8069,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) case 0x121: /* mov reg, drN */ case 0x123: /* mov drN, reg */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { #ifndef CONFIG_USER_ONLY modrm = x86_ldub_code(env, s); @@ -8099,7 +8105,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu) break; case 0x106: /* clts */ if (s->cpl != 0) { - gen_exception(s, EXCP0D_GPF, pc_start - s->cs_base); + gen_exception_gpf(s); } else { gen_svm_check_intercept(s, pc_start, SVM_EXIT_WRITE_CR0); gen_helper_clts(cpu_env);