diff options
Diffstat (limited to 'target-i386/cpu.c')
| -rw-r--r-- | target-i386/cpu.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 99ad551bee..4e7cdaaaa5 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -44,6 +44,7 @@ #include "hw/qdev-properties.h" #include "hw/cpu/icc_bus.h" #ifndef CONFIG_USER_ONLY +#include "exec/address-spaces.h" #include "hw/xen/xen.h" #include "hw/i386/apic_internal.h" #endif @@ -2750,6 +2751,21 @@ static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) object_property_set_bool(OBJECT(cpu->apic_state), true, "realized", errp); } + +static void x86_cpu_machine_done(Notifier *n, void *unused) +{ + X86CPU *cpu = container_of(n, X86CPU, machine_done); + MemoryRegion *smram = + (MemoryRegion *) object_resolve_path("/machine/smram", NULL); + + if (smram) { + cpu->smram = g_new(MemoryRegion, 1); + memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram", + smram, 0, 1ull << 32); + memory_region_set_enabled(cpu->smram, false); + memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1); + } +} #else static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) { @@ -2811,6 +2827,32 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp) #endif mce_init(cpu); + +#ifndef CONFIG_USER_ONLY + if (tcg_enabled()) { + cpu->cpu_as_mem = g_new(MemoryRegion, 1); + cpu->cpu_as_root = g_new(MemoryRegion, 1); + cs->as = g_new(AddressSpace, 1); + + /* Outer container... */ + memory_region_init(cpu->cpu_as_root, OBJECT(cpu), "memory", ~0ull); + memory_region_set_enabled(cpu->cpu_as_root, true); + + /* ... with two regions inside: normal system memory with low + * priority, and... + */ + memory_region_init_alias(cpu->cpu_as_mem, OBJECT(cpu), "memory", + get_system_memory(), 0, ~0ull); + memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0); + memory_region_set_enabled(cpu->cpu_as_mem, true); + address_space_init(cs->as, cpu->cpu_as_root, "CPU"); + + /* ... SMRAM with higher priority, linked from /machine/smram. */ + cpu->machine_done.notify = x86_cpu_machine_done; + qemu_add_machine_init_done_notifier(&cpu->machine_done); + } +#endif + qemu_init_vcpu(cs); /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this @@ -2834,6 +2876,7 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp) cpu_reset(cs); xcc->parent_realize(dev, &local_err); + out: if (local_err != NULL) { error_propagate(errp, local_err); @@ -3063,7 +3106,9 @@ static bool x86_cpu_has_work(CPUState *cs) (cs->interrupt_request & (CPU_INTERRUPT_NMI | CPU_INTERRUPT_INIT | CPU_INTERRUPT_SIPI | - CPU_INTERRUPT_MCE)); + CPU_INTERRUPT_MCE)) || + ((cs->interrupt_request & CPU_INTERRUPT_SMI) && + !(env->hflags & HF_SMM_MASK)); } static Property x86_cpu_properties[] = { |