diff options
Diffstat (limited to 'target-i386')
-rw-r--r-- | target-i386/cpu-qom.h | 1 | ||||
-rw-r--r-- | target-i386/cpu.c | 1 | ||||
-rw-r--r-- | target-i386/seg_helper.c | 69 |
3 files changed, 71 insertions, 0 deletions
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h index b242cb057e..b557b619cf 100644 --- a/target-i386/cpu-qom.h +++ b/target-i386/cpu-qom.h @@ -130,6 +130,7 @@ extern struct VMStateDescription vmstate_x86_cpu; * @cpu: vCPU the interrupt is to be handled by. */ void x86_cpu_do_interrupt(CPUState *cpu); +bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req); int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, int cpuid, void *opaque); diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 223e43e04d..2406c727a5 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -2920,6 +2920,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data) cc->parse_features = x86_cpu_parse_featurestr; cc->has_work = x86_cpu_has_work; cc->do_interrupt = x86_cpu_do_interrupt; + cc->cpu_exec_interrupt = x86_cpu_exec_interrupt; cc->dump_state = x86_cpu_dump_state; cc->set_pc = x86_cpu_set_pc; cc->synchronize_from_tb = x86_cpu_synchronize_from_tb; diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c index 13eefbac3b..af5c1c6830 100644 --- a/target-i386/seg_helper.c +++ b/target-i386/seg_helper.c @@ -1279,6 +1279,75 @@ void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw) do_interrupt_all(x86_env_get_cpu(env), intno, 0, 0, 0, is_hw); } +bool x86_cpu_exec_interrupt(CPUState *cs, int interrupt_request) +{ + X86CPU *cpu = X86_CPU(cs); + CPUX86State *env = &cpu->env; + bool ret = false; + +#if !defined(CONFIG_USER_ONLY) + if (interrupt_request & CPU_INTERRUPT_POLL) { + cs->interrupt_request &= ~CPU_INTERRUPT_POLL; + apic_poll_irq(cpu->apic_state); + } +#endif + if (interrupt_request & CPU_INTERRUPT_SIPI) { + do_cpu_sipi(cpu); + } else if (env->hflags2 & HF2_GIF_MASK) { + if ((interrupt_request & CPU_INTERRUPT_SMI) && + !(env->hflags & HF_SMM_MASK)) { + cpu_svm_check_intercept_param(env, SVM_EXIT_SMI, 0); + cs->interrupt_request &= ~CPU_INTERRUPT_SMI; + do_smm_enter(cpu); + ret = true; + } else if ((interrupt_request & CPU_INTERRUPT_NMI) && + !(env->hflags2 & HF2_NMI_MASK)) { + cs->interrupt_request &= ~CPU_INTERRUPT_NMI; + env->hflags2 |= HF2_NMI_MASK; + do_interrupt_x86_hardirq(env, EXCP02_NMI, 1); + ret = true; + } else if (interrupt_request & CPU_INTERRUPT_MCE) { + cs->interrupt_request &= ~CPU_INTERRUPT_MCE; + do_interrupt_x86_hardirq(env, EXCP12_MCHK, 0); + ret = true; + } else if ((interrupt_request & CPU_INTERRUPT_HARD) && + (((env->hflags2 & HF2_VINTR_MASK) && + (env->hflags2 & HF2_HIF_MASK)) || + (!(env->hflags2 & HF2_VINTR_MASK) && + (env->eflags & IF_MASK && + !(env->hflags & HF_INHIBIT_IRQ_MASK))))) { + int intno; + cpu_svm_check_intercept_param(env, SVM_EXIT_INTR, 0); + cs->interrupt_request &= ~(CPU_INTERRUPT_HARD | + CPU_INTERRUPT_VIRQ); + intno = cpu_get_pic_interrupt(env); + qemu_log_mask(CPU_LOG_TB_IN_ASM, + "Servicing hardware INT=0x%02x\n", intno); + do_interrupt_x86_hardirq(env, intno, 1); + /* ensure that no TB jump will be modified as + the program flow was changed */ + ret = true; +#if !defined(CONFIG_USER_ONLY) + } else if ((interrupt_request & CPU_INTERRUPT_VIRQ) && + (env->eflags & IF_MASK) && + !(env->hflags & HF_INHIBIT_IRQ_MASK)) { + int intno; + /* FIXME: this should respect TPR */ + cpu_svm_check_intercept_param(env, SVM_EXIT_VINTR, 0); + intno = ldl_phys(cs->as, env->vm_vmcb + + offsetof(struct vmcb, control.int_vector)); + qemu_log_mask(CPU_LOG_TB_IN_ASM, + "Servicing virtual hardware INT=0x%02x\n", intno); + do_interrupt_x86_hardirq(env, intno, 1); + cs->interrupt_request &= ~CPU_INTERRUPT_VIRQ; + ret = true; +#endif + } + } + + return ret; +} + void helper_enter_level(CPUX86State *env, int level, int data32, target_ulong t1) { |