xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2024-11-23 19:49:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

target-i386: create a separate AddressSpace for each CPU

Browse Source 
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>
This commit is contained in:
Paolo Bonzini 2015-03-31 14:11:09 +02:00
parent 71cdd1cb91
commit 2001d0cd6d
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
target-i386/cpu-qom.h
View File

@ -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)

14
target-i386/cpu.c
View File

@ -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);