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hv: cpu: add cpu_has_cap() API

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Add cpu_has_cap API for cpu feature/capability detect instead of
add get_xxx_cap for each feature/capability detect.

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Li, Fei1
2018-04-09 09:19:35 +08:00
committed by Jack Ren
parent bb011a4316
commit 6560ff367c
5 changed files with 129 additions and 32 deletions
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20
hypervisor/include/arch/x86/cpu.h
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@@ -224,15 +224,15 @@ extern uint64_t pcpu_active_bitmap;
/* CPUID feature words */
enum feature_word {
FEAT_1_ECX, /* CPUID[1].ECX */
FEAT_1_EDX, /* CPUID[1].EDX */
FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */
FEAT_7_0_ECX, /* CPUID[EAX=7,ECX=0].ECX */
FEAT_7_0_EDX, /* CPUID[EAX=7,ECX=0].EDX */
FEAT_8000_0000_EAX, /* CPUID[8000_0000].EAX */
FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */
FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */
FEAT_8000_0008_EAX, /* CPUID[8000_0008].EAX */
FEAT_1_ECX = 0, /* CPUID[1].ECX */
FEAT_1_EDX = 1, /* CPUID[1].EDX */
FEAT_7_0_EBX = 2, /* CPUID[EAX=7,ECX=0].EBX */
FEAT_7_0_ECX = 3, /* CPUID[EAX=7,ECX=0].ECX */
FEAT_7_0_EDX = 4, /* CPUID[EAX=7,ECX=0].EDX */
FEAT_8000_0000_EAX = 5, /* CPUID[8000_0000].EAX */
FEAT_8000_0001_ECX = 6, /* CPUID[8000_0001].ECX */
FEAT_8000_0001_EDX = 7, /* CPUID[8000_0001].EDX */
FEAT_8000_0008_EAX = 8, /* CPUID[8000_0008].EAX */
FEATURE_WORDS,
};
@@ -258,8 +258,8 @@ int hv_main(int cpu_id);
bool is_vapic_supported(void);
bool is_vapic_intr_delivery_supported(void);
bool is_vapic_virt_reg_supported(void);
bool get_vmx_cap(void);
bool is_xsave_supported(void);
bool cpu_has_cap(uint32_t bit);
/* Read control register */
#define CPU_CR_READ(cr, result_ptr) \