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-rw-r--r--target/i386/cpu.c71
1 files changed, 53 insertions, 18 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index f24295e6e4..1469a1be01 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5123,14 +5123,15 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
* NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
* cs->nr_threads hasn't be populated yet and the checking is incorrect.
*/
- if (IS_AMD_CPU(env) &&
- !(env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_TOPOEXT) &&
- cs->nr_threads > 1 && !ht_warned) {
- error_report("This family of AMD CPU doesn't support "
- "hyperthreading(%d). Please configure -smp "
- "options properly or try enabling topoext feature.",
- cs->nr_threads);
- ht_warned = true;
+ if (IS_AMD_CPU(env) &&
+ !(env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_TOPOEXT) &&
+ cs->nr_threads > 1 && !ht_warned) {
+ warn_report("This family of AMD CPU doesn't support "
+ "hyperthreading(%d)",
+ cs->nr_threads);
+ error_printf("Please configure -smp options properly"
+ " or try enabling topoext feature.\n");
+ ht_warned = true;
}
x86_cpu_apic_realize(cpu, &local_err);
@@ -5429,20 +5430,51 @@ static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
cpu->env.eip = tb->pc - tb->cs_base;
}
-static bool x86_cpu_has_work(CPUState *cs)
+int x86_cpu_pending_interrupt(CPUState *cs, int interrupt_request)
{
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
- return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
- CPU_INTERRUPT_POLL)) &&
- (env->eflags & IF_MASK)) ||
- (cs->interrupt_request & (CPU_INTERRUPT_NMI |
- CPU_INTERRUPT_INIT |
- CPU_INTERRUPT_SIPI |
- CPU_INTERRUPT_MCE)) ||
- ((cs->interrupt_request & CPU_INTERRUPT_SMI) &&
- !(env->hflags & HF_SMM_MASK));
+#if !defined(CONFIG_USER_ONLY)
+ if (interrupt_request & CPU_INTERRUPT_POLL) {
+ return CPU_INTERRUPT_POLL;
+ }
+#endif
+ if (interrupt_request & CPU_INTERRUPT_SIPI) {
+ return CPU_INTERRUPT_SIPI;
+ }
+
+ if (env->hflags2 & HF2_GIF_MASK) {
+ if ((interrupt_request & CPU_INTERRUPT_SMI) &&
+ !(env->hflags & HF_SMM_MASK)) {
+ return CPU_INTERRUPT_SMI;
+ } else if ((interrupt_request & CPU_INTERRUPT_NMI) &&
+ !(env->hflags2 & HF2_NMI_MASK)) {
+ return CPU_INTERRUPT_NMI;
+ } else if (interrupt_request & CPU_INTERRUPT_MCE) {
+ return CPU_INTERRUPT_MCE;
+ } 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))))) {
+ return CPU_INTERRUPT_HARD;
+#if !defined(CONFIG_USER_ONLY)
+ } else if ((interrupt_request & CPU_INTERRUPT_VIRQ) &&
+ (env->eflags & IF_MASK) &&
+ !(env->hflags & HF_INHIBIT_IRQ_MASK)) {
+ return CPU_INTERRUPT_VIRQ;
+#endif
+ }
+ }
+
+ return 0;
+}
+
+static bool x86_cpu_has_work(CPUState *cs)
+{
+ return x86_cpu_pending_interrupt(cs, cs->interrupt_request) != 0;
}
static void x86_disas_set_info(CPUState *cs, disassemble_info *info)
@@ -5533,6 +5565,7 @@ static Property x86_cpu_properties[] = {
DEFINE_PROP_BOOL("hv-frequencies", X86CPU, hyperv_frequencies, false),
DEFINE_PROP_BOOL("hv-reenlightenment", X86CPU, hyperv_reenlightenment, false),
DEFINE_PROP_BOOL("hv-tlbflush", X86CPU, hyperv_tlbflush, false),
+ DEFINE_PROP_BOOL("hv-ipi", X86CPU, hyperv_ipi, false),
DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
@@ -5575,6 +5608,8 @@ static Property x86_cpu_properties[] = {
* to the specific Windows version being used."
*/
DEFINE_PROP_INT32("x-hv-max-vps", X86CPU, hv_max_vps, -1),
+ DEFINE_PROP_BOOL("x-hv-synic-kvm-only", X86CPU, hyperv_synic_kvm_only,
+ false),
DEFINE_PROP_END_OF_LIST()
};