diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2015-03-31 14:11:09 +0200 |
---|---|---|
committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-06-05 17:36:39 +0200 |
commit | 2001d0cd6d55e5efa9956fa8ff8b89034d6a4329 (patch) | |
tree | 00e713e1ebce367004446464b9c2976596eb3a58 | |
parent | 71cdd1cb914e24000273bbbfa5fb226cdb8ea265 (diff) |
target-i386: create a separate AddressSpace for each CPU
Different CPUs can be in SMM or not at the same time, thus they
will see different things where the chipset places SMRAM.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r-- | target-i386/cpu-qom.h | 1 | ||||
-rw-r--r-- | target-i386/cpu.c | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h index 31a0c1e776..39cd878fad 100644 --- a/target-i386/cpu-qom.h +++ b/target-i386/cpu-qom.h @@ -111,6 +111,7 @@ typedef struct X86CPU { /* in order to simplify APIC support, we leave this pointer to the user */ struct DeviceState *apic_state; + struct MemoryRegion *cpu_as_root; } X86CPU; static inline X86CPU *x86_env_get_cpu(CPUX86State *env) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 0faca03595..051abc92cb 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 @@ -2811,6 +2812,18 @@ static void x86_cpu_realizefn(DeviceState *dev, Error **errp) #endif mce_init(cpu); + +#ifndef CONFIG_USER_ONLY + if (tcg_enabled()) { + cpu->cpu_as_root = g_new(MemoryRegion, 1); + cs->as = g_new(AddressSpace, 1); + memory_region_init_alias(cpu->cpu_as_root, OBJECT(cpu), "memory", + get_system_memory(), 0, ~0ull); + memory_region_set_enabled(cpu->cpu_as_root, true); + address_space_init(cs->as, cpu->cpu_as_root, "CPU"); + } +#endif + qemu_init_vcpu(cs); /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this @@ -2834,6 +2847,7 @@ 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); |