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authorEduardo Habkost <ehabkost@redhat.com>2012-09-06 10:05:36 +0000
committerBlue Swirl <blauwirbel@gmail.com>2012-09-30 11:11:00 +0000
commit8fad4b44a0f71cd404f95f109657c0ccbf11f8f9 (patch)
tree319716bd1abf4434d51a6c41d9330bca6b292489 /target-i386
parentb1f4679392a03f2b26a37bfa52e95d6cc4f73d82 (diff)
i386: kvm: use a #define for the set of alias feature bits
Instea of using a hardcoded hex constant, define CPUID_EXT2_AMD_ALIASES as the set of CPUID[8000_0001].EDX bits that on AMD are the same as the bits of CPUID[1].EDX. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-By: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Don Slutz <Don@CloudSwitch.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-i386')
-rw-r--r--target-i386/cpu.h12
-rw-r--r--target-i386/kvm.c2
2 files changed, 13 insertions, 1 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index d7ea2f92a8..49950843f6 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -409,6 +409,7 @@
#define CPUID_EXT_HYPERVISOR (1 << 31)
#define CPUID_EXT2_FPU (1 << 0)
+#define CPUID_EXT2_VME (1 << 1)
#define CPUID_EXT2_DE (1 << 2)
#define CPUID_EXT2_PSE (1 << 3)
#define CPUID_EXT2_TSC (1 << 4)
@@ -436,6 +437,17 @@
#define CPUID_EXT2_3DNOWEXT (1 << 30)
#define CPUID_EXT2_3DNOW (1 << 31)
+/* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */
+#define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \
+ CPUID_EXT2_DE | CPUID_EXT2_PSE | \
+ CPUID_EXT2_TSC | CPUID_EXT2_MSR | \
+ CPUID_EXT2_PAE | CPUID_EXT2_MCE | \
+ CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \
+ CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \
+ CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \
+ CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \
+ CPUID_EXT2_MMX | CPUID_EXT2_FXSR)
+
#define CPUID_EXT3_LAHF_LM (1 << 0)
#define CPUID_EXT3_CMP_LEG (1 << 1)
#define CPUID_EXT3_SVM (1 << 2)
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index acb93693b4..5b18383d8f 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -165,7 +165,7 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function,
* so add missing bits according to the AMD spec:
*/
cpuid_1_edx = kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX);
- ret |= cpuid_1_edx & 0x183f3ff;
+ ret |= cpuid_1_edx & CPUID_EXT2_AMD_ALIASES;
break;
}
break;