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| author | Stephan Bärwolf <stephan.baerwolf@tu-ilmenau.de> | 2012-01-12 16:43:03 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-02-01 11:43:33 +0200 |
| commit | bdb42f5afebe208eae90406959383856ae2caf2b (patch) | |
| tree | e58d3b8aedf30b9f42689a7d0ee752600be3f938 /arch/x86/include | |
| parent | 50e92b3c971129c96a5fffb51dd42691e2ee4004 (diff) | |
| download | linux-bdb42f5afebe208eae90406959383856ae2caf2b.tar.gz linux-bdb42f5afebe208eae90406959383856ae2caf2b.tar.bz2 linux-bdb42f5afebe208eae90406959383856ae2caf2b.zip | |
KVM: x86: extend "struct x86_emulate_ops" with "get_cpuid"
In order to be able to proceed checks on CPU-specific properties
within the emulator, function "get_cpuid" is introduced.
With "get_cpuid" it is possible to virtually call the guests
"cpuid"-opcode without changing the VM's context.
[mtosatti: cleanup/beautify code]
Signed-off-by: Stephan Baerwolf <stephan.baerwolf@tu-ilmenau.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index ab4092e3214e..c8b28689eeeb 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -190,6 +190,9 @@ struct x86_emulate_ops { int (*intercept)(struct x86_emulate_ctxt *ctxt, struct x86_instruction_info *info, enum x86_intercept_stage stage); + + bool (*get_cpuid)(struct x86_emulate_ctxt *ctxt, + u32 *eax, u32 *ebx, u32 *ecx, u32 *edx); }; typedef u32 __attribute__((vector_size(16))) sse128_t; |