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[Qemu-devel] [RFC 4/6] i386: kvm: use a #define for the set of alias fea
From: |
Eduardo Habkost |
Subject: |
[Qemu-devel] [RFC 4/6] i386: kvm: use a #define for the set of alias feature bits |
Date: |
Fri, 17 Aug 2012 14:53:40 -0300 |
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 <address@hidden>
---
target-i386/cpu.h | 12 ++++++++++++
target-i386/kvm.c | 2 +-
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 7b6340c..ba147ac 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 bab1ef8..63dac56 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -163,7 +163,7 @@ 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;
--
1.7.11.2
- [Qemu-devel] [RFC 0/6] i386: CPU: remove duplicate feature names, Eduardo Habkost, 2012/08/17
- [Qemu-devel] [RFC 4/6] i386: kvm: use a #define for the set of alias feature bits,
Eduardo Habkost <=
- [Qemu-devel] [RFC 2/6] i386: kill cpudef config section support, Eduardo Habkost, 2012/08/17
- [Qemu-devel] [RFC 3/6] i386: kvm: bit 10 of CPUID[8000_0001].EDX is reserved, Eduardo Habkost, 2012/08/17
- [Qemu-devel] [RFC 1/6] x86_cpudef_setup: coding style change, Eduardo Habkost, 2012/08/17
- [Qemu-devel] [RFC 6/6] i386: -cpu help: remove reference to specific CPUID leaves/registers, Eduardo Habkost, 2012/08/17
- [Qemu-devel] [RFC 5/6] i386: cpu: eliminate duplicate feature names, Eduardo Habkost, 2012/08/17
- Re: [Qemu-devel] [RFC 0/6] i386: CPU: remove duplicate feature names, Igor Mammedov, 2012/08/20