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hv: cpuid: add cpuid_level

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Get maximum input value for basic cpuid information.

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Li, Fei1 2018-04-20 08:42:50 +08:00 committed by Jack Ren
parent ab97963088
commit cfc87903b2
2 changed files with 5 additions and 0 deletions
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4
hypervisor/arch/x86/cpu.c
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@ -128,6 +128,10 @@ static void get_cpu_capabilities(void)
uint32_t eax, unused;
uint32_t family, model;
cpuid(CPUID_VENDORSTRING,
&boot_cpu_data.cpuid_level,
&unused, &unused, &unused);
cpuid(CPUID_FEATURES, &eax, &unused,
&boot_cpu_data.cpuid_leaves[FEAT_1_ECX],
&boot_cpu_data.cpuid_leaves[FEAT_1_EDX]);

1
hypervisor/include/arch/x86/cpu.h
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@ -244,6 +244,7 @@ struct cpuinfo_x86 {
uint8_t x86, x86_model;
uint8_t x86_virt_bits;
uint8_t x86_phys_bits;
uint32_t cpuid_level;
uint32_t extended_cpuid_level;
uint64_t physical_address_mask;
uint32_t cpuid_leaves[FEATURE_WORDS];