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hv: add "invariant TSC" cap detection

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ACRN HV is designed/implemented with "invariant TSC" capability, which wasn't checked at boot time.
This commit adds the "invairant TSC" detection, ACRN fails to boot if there wasn't "invariant TSC" capability.

Tracked-On: #3636
Signed-off-by: Yan, Like <like.yan@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yan, Like
2019-09-02 13:58:59 +08:00
committed by ACRN System Integration
parent be0a4b692b
commit 3f84acda09
4 changed files with 16 additions and 2 deletions
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5
hypervisor/include/arch/x86/cpu_caps.h
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@@ -22,8 +22,9 @@
#define FEAT_7_0_EDX 4U /* CPUID[EAX=7,ECX=0].EDX */
#define FEAT_8000_0001_ECX 5U /* CPUID[8000_0001].ECX */
#define FEAT_8000_0001_EDX 6U /* CPUID[8000_0001].EDX */
#define FEAT_8000_0008_EBX 7U /* CPUID[8000_0008].EAX */
#define FEATURE_WORDS 8U
#define FEAT_8000_0007_EDX 7U /* CPUID[8000_0007].EDX */
#define FEAT_8000_0008_EBX 8U /* CPUID[8000_0008].EBX */
#define FEATURE_WORDS 9U
struct cpuinfo_x86 {
uint8_t family, model;