diff options
| author | grehan <grehan@FreeBSD.org> | 2013-09-06 05:16:10 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2013-09-06 05:16:10 +0000 |
| commit | 37b6e3223fc91b6bf44902ea090b984c9417f3c3 (patch) | |
| tree | c99b02cfc7c62d1e0d6825975668729712dab774 | |
| parent | 4a6a9b0a75f877672e647ddd84591d0358848913 (diff) | |
| download | FreeBSD-src-37b6e3223fc91b6bf44902ea090b984c9417f3c3.zip FreeBSD-src-37b6e3223fc91b6bf44902ea090b984c9417f3c3.tar.gz | |
Allow CPUID leaf 0xD to be read as zeroes.
Linux reads this even though extended features
aren't exposed.
Support for 0xD will be expanded once AVX[2]
is exposed to the guest in upcoming work.
| -rw-r--r-- | sys/amd64/vmm/x86.c | 1 | ||||
| -rw-r--r-- | sys/amd64/vmm/x86.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/sys/amd64/vmm/x86.c b/sys/amd64/vmm/x86.c index 262efbd..4416c53 100644 --- a/sys/amd64/vmm/x86.c +++ b/sys/amd64/vmm/x86.c @@ -200,6 +200,7 @@ x86_emulate_cpuid(struct vm *vm, int vcpu_id, case CPUID_0000_0006: case CPUID_0000_0007: case CPUID_0000_000A: + case CPUID_0000_000D: /* * Handle the access, but report 0 for * all options diff --git a/sys/amd64/vmm/x86.h b/sys/amd64/vmm/x86.h index 368e967..8401c15 100644 --- a/sys/amd64/vmm/x86.h +++ b/sys/amd64/vmm/x86.h @@ -38,6 +38,7 @@ #define CPUID_0000_0007 (0x7) #define CPUID_0000_000A (0xA) #define CPUID_0000_000B (0xB) +#define CPUID_0000_000D (0xD) #define CPUID_8000_0000 (0x80000000) #define CPUID_8000_0001 (0x80000001) #define CPUID_8000_0002 (0x80000002) |
