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cpuid restruct

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Generate all common virtual cpuid entries for flexible support of
guest VCPUID emulation, by decoupling from PCPUID.

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
Acked-by: Chen, Jason CJ <jason.cj.chen@intel.com>
This commit is contained in:
Li, Fei1
2018-03-23 03:05:50 +08:00
committed by Jack Ren
parent cb59bfaff0
commit 6c1122f869
6 changed files with 337 additions and 164 deletions
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2
hypervisor/arch/x86/guest/ucode.c
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@@ -40,7 +40,7 @@ uint64_t get_microcode_version(void)
uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
msr_write(MSR_IA32_BIOS_SIGN_ID, 0);
native_cpuid_count(CPUID_FEATURES, 0, &eax, &ebx, &ecx, &edx);
cpuid(CPUID_FEATURES, &eax, &ebx, &ecx, &edx);
val = msr_read(MSR_IA32_BIOS_SIGN_ID);
return val;