diff options
Diffstat (limited to 'target-i386/cpu.c')
| -rw-r--r-- | target-i386/cpu.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 21bad5927d..dba77d3eac 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -2758,15 +2758,30 @@ static void x86_cpu_apic_create(X86CPU *cpu, Error **errp) /* TODO: convert to link<> */ apic = APIC_COMMON(cpu->apic_state); apic->cpu = cpu; + apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; } static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) { + APICCommonState *apic; + static bool apic_mmio_map_once; + if (cpu->apic_state == NULL) { return; } object_property_set_bool(OBJECT(cpu->apic_state), true, "realized", errp); + + /* Map APIC MMIO area */ + apic = APIC_COMMON(cpu->apic_state); + if (!apic_mmio_map_once) { + memory_region_add_subregion_overlap(get_system_memory(), + apic->apicbase & + MSR_IA32_APICBASE_BASE, + &apic->io_memory, + 0x1000); + apic_mmio_map_once = true; + } } static void x86_cpu_machine_done(Notifier *n, void *unused) |