KVM: Add AMD cpuid bit: cr8_legacy, abm, misaligned sse, sse4, 3dnow prefetch
authorAvi Kivity <avi@redhat.com>
Sun, 10 May 2009 10:55:35 +0000 (13:55 +0300)
committerAvi Kivity <avi@redhat.com>
Wed, 10 Jun 2009 08:48:52 +0000 (11:48 +0300)
Signed-off-by: Avi Kivity <avi@redhat.com>
arch/x86/kvm/x86.c

index da3e65bfc6ee9e2919661a5e7c86ace1000b969c..95de3d34b115afb38d2809afbfd9a3a4d467b387 100644 (file)
@@ -1247,44 +1247,47 @@ static void do_cpuid_1_ent(struct kvm_cpuid_entry2 *entry, u32 function,
        entry->flags = 0;
 }
 
+#define F(x) bit(X86_FEATURE_##x)
+
 static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
                         u32 index, int *nent, int maxnent)
 {
-       const u32 kvm_supported_word0_x86_features = bit(X86_FEATURE_FPU) |
-               bit(X86_FEATURE_VME) | bit(X86_FEATURE_DE) |
-               bit(X86_FEATURE_PSE) | bit(X86_FEATURE_TSC) |
-               bit(X86_FEATURE_MSR) | bit(X86_FEATURE_PAE) |
-               bit(X86_FEATURE_MCE) |
-               bit(X86_FEATURE_CX8) | bit(X86_FEATURE_APIC) |
-               bit(X86_FEATURE_SEP) | bit(X86_FEATURE_MTRR) |
-               bit(X86_FEATURE_PGE) | bit(X86_FEATURE_MCA) |
-               bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PAT) |
-               bit(X86_FEATURE_PSE36) |
-               bit(X86_FEATURE_CLFLSH) | bit(X86_FEATURE_MMX) |
-               bit(X86_FEATURE_FXSR) | bit(X86_FEATURE_XMM) |
-               bit(X86_FEATURE_XMM2) | bit(X86_FEATURE_SELFSNOOP);
-       const u32 kvm_supported_word1_x86_features = bit(X86_FEATURE_FPU) |
-               bit(X86_FEATURE_VME) | bit(X86_FEATURE_DE) |
-               bit(X86_FEATURE_PSE) | bit(X86_FEATURE_TSC) |
-               bit(X86_FEATURE_MSR) | bit(X86_FEATURE_PAE) |
-               bit(X86_FEATURE_CX8) | bit(X86_FEATURE_APIC) |
-               bit(X86_FEATURE_PGE) |
-               bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) |
-               bit(X86_FEATURE_MMX) | bit(X86_FEATURE_FXSR) |
-               bit(X86_FEATURE_SYSCALL) |
-               (is_efer_nx() ? bit(X86_FEATURE_NX) : 0) |
+       unsigned f_nx = is_efer_nx() ? F(NX) : 0;
 #ifdef CONFIG_X86_64
-               bit(X86_FEATURE_LM) |
+       unsigned f_lm = F(LM);
+#else
+       unsigned f_lm = 0;
 #endif
-               bit(X86_FEATURE_FXSR_OPT) |
-               bit(X86_FEATURE_MMXEXT) |
-               bit(X86_FEATURE_3DNOWEXT) |
-               bit(X86_FEATURE_3DNOW);
-       const u32 kvm_supported_word3_x86_features =
-               bit(X86_FEATURE_XMM3) | bit(X86_FEATURE_CX16);
+
+       /* cpuid 1.edx */
+       const u32 kvm_supported_word0_x86_features =
+               F(FPU) | F(VME) | F(DE) | F(PSE) |
+               F(TSC) | F(MSR) | F(PAE) | F(MCE) |
+               F(CX8) | F(APIC) | 0 /* Reserved */ | F(SEP) |
+               F(MTRR) | F(PGE) | F(MCA) | F(CMOV) |
+               F(PAT) | F(PSE36) | 0 /* PSN */ | F(CLFLSH) |
+               0 /* Reserved, DS, ACPI */ | F(MMX) |
+               F(FXSR) | F(XMM) | F(XMM2) | F(SELFSNOOP) |
+               0 /* HTT, TM, Reserved, PBE */;
+       /* cpuid 0x80000001.edx */
+       const u32 kvm_supported_word1_x86_features =
+               F(FPU) | F(VME) | F(DE) | F(PSE) |
+               F(TSC) | F(MSR) | F(PAE) | F(MCE) |
+               F(CX8) | F(APIC) | 0 /* Reserved */ | F(SYSCALL) |
+               F(MTRR) | F(PGE) | F(MCA) | F(CMOV) |
+               F(PAT) | F(PSE36) | 0 /* Reserved */ |
+               f_nx | 0 /* Reserved */ | F(MMXEXT) | F(MMX) |
+               F(FXSR) | F(FXSR_OPT) | 0 /* GBPAGES */ | 0 /* RDTSCP */ |
+               0 /* Reserved */ | f_lm | F(3DNOWEXT) | F(3DNOW);
+       /* cpuid 1.ecx */
+       const u32 kvm_supported_word4_x86_features =
+               F(XMM3) | F(CX16);
+       /* cpuid 0x80000001.ecx */
        const u32 kvm_supported_word6_x86_features =
-               bit(X86_FEATURE_LAHF_LM) | bit(X86_FEATURE_CMP_LEGACY) |
-               bit(X86_FEATURE_SVM);
+               F(LAHF_LM) | F(CMP_LEGACY) | F(SVM) | 0 /* ExtApicSpace */ |
+               F(CR8_LEGACY) | F(ABM) | F(SSE4A) | F(MISALIGNSSE) |
+               F(3DNOWPREFETCH) | 0 /* OSVW */ | 0 /* IBS */ | F(SSE5) |
+               0 /* SKINIT */ | 0 /* WDT */;
 
        /* all calls to cpuid_count() should be made on the same cpu */
        get_cpu();
@@ -1297,7 +1300,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
                break;
        case 1:
                entry->edx &= kvm_supported_word0_x86_features;
-               entry->ecx &= kvm_supported_word3_x86_features;
+               entry->ecx &= kvm_supported_word4_x86_features;
                break;
        /* function 2 entries are STATEFUL. That is, repeated cpuid commands
         * may return different values. This forces us to get_cpu() before
@@ -1359,6 +1362,8 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
        put_cpu();
 }
 
+#undef F
+
 static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid,
                                     struct kvm_cpuid_entry2 __user *entries)
 {
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