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Diffstat (limited to 'target/i386/host-cpu.c')
-rw-r--r--target/i386/host-cpu.c44
1 files changed, 12 insertions, 32 deletions
diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c
index 280e427..7512567 100644
--- a/target/i386/host-cpu.c
+++ b/target/i386/host-cpu.c
@@ -12,10 +12,10 @@
#include "host-cpu.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
-#include "sysemu/sysemu.h"
+#include "system/system.h"
/* Note: Only safe for use on x86(-64) hosts */
-static uint32_t host_cpu_phys_bits(void)
+uint32_t host_cpu_phys_bits(void)
{
uint32_t eax;
uint32_t host_phys_bits;
@@ -42,16 +42,7 @@ static uint32_t host_cpu_phys_bits(void)
return host_phys_bits;
}
-static void host_cpu_enable_cpu_pm(X86CPU *cpu)
-{
- CPUX86State *env = &cpu->env;
-
- host_cpuid(5, 0, &cpu->mwait.eax, &cpu->mwait.ebx,
- &cpu->mwait.ecx, &cpu->mwait.edx);
- env->features[FEAT_1_ECX] |= CPUID_EXT_MONITOR;
-}
-
-static uint32_t host_cpu_adjust_phys_bits(X86CPU *cpu)
+static void host_cpu_adjust_phys_bits(X86CPU *cpu)
{
uint32_t host_phys_bits = host_cpu_phys_bits();
uint32_t phys_bits = cpu->phys_bits;
@@ -75,7 +66,7 @@ static uint32_t host_cpu_adjust_phys_bits(X86CPU *cpu)
}
}
- return phys_bits;
+ cpu->phys_bits = phys_bits;
}
bool host_cpu_realizefn(CPUState *cs, Error **errp)
@@ -83,21 +74,8 @@ bool host_cpu_realizefn(CPUState *cs, Error **errp)
X86CPU *cpu = X86_CPU(cs);
CPUX86State *env = &cpu->env;
- if (cpu->max_features && enable_cpu_pm) {
- host_cpu_enable_cpu_pm(cpu);
- }
if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
- uint32_t phys_bits = host_cpu_adjust_phys_bits(cpu);
-
- if (phys_bits &&
- (phys_bits > TARGET_PHYS_ADDR_SPACE_BITS ||
- phys_bits < 32)) {
- error_setg(errp, "phys-bits should be between 32 and %u "
- " (but is %u)",
- TARGET_PHYS_ADDR_SPACE_BITS, phys_bits);
- return false;
- }
- cpu->phys_bits = phys_bits;
+ host_cpu_adjust_phys_bits(cpu);
}
return true;
}
@@ -131,9 +109,13 @@ void host_cpu_vendor_fms(char *vendor, int *family, int *model, int *stepping)
{
uint32_t eax, ebx, ecx, edx;
- host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
+ host_cpuid(0x0, 0, NULL, &ebx, &ecx, &edx);
x86_cpu_vendor_words2str(vendor, ebx, edx, ecx);
+ if (!family && !model && !stepping) {
+ return;
+ }
+
host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
if (family) {
*family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
@@ -151,11 +133,9 @@ void host_cpu_instance_init(X86CPU *cpu)
X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
if (xcc->model) {
- uint32_t ebx = 0, ecx = 0, edx = 0;
char vendor[CPUID_VENDOR_SZ + 1];
- host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
- x86_cpu_vendor_words2str(vendor, ebx, edx, ecx);
+ host_cpu_vendor_fms(vendor, NULL, NULL, NULL);
object_property_set_str(OBJECT(cpu), "vendor", vendor, &error_abort);
}
}
@@ -181,7 +161,7 @@ void host_cpu_max_instance_init(X86CPU *cpu)
&error_abort);
}
-static void host_cpu_class_init(ObjectClass *oc, void *data)
+static void host_cpu_class_init(ObjectClass *oc, const void *data)
{
X86CPUClass *xcc = X86_CPU_CLASS(oc);