30 lines
924 B
C
30 lines
924 B
C
#pragma once
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#define CPUID_FUNCTION_VENDOR 0x00000000
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#define CPUID_FUNCTION_FEATURES 0x00000001
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#define CPUID_FUNCTION_TLB 0x00000003
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#define CPUID_FUNCTION_SERIAL 0x00000004
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#define CPUID_FUNCTIONX_VENDOR 0x80000000
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#define CPUID_FUNCTIONX_FEATURES 0x80000001
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#define CPUID_FUNCTIONX_BRAND0 0x80000002
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#define CPUID_FUNCTIONX_BRAND1 0x80000003
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#define CPUID_FUNCTIONX_BRAND2 0x80000004
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#define CPUID_FEATURE_MSR (cpuid_features_d & 1<<5)
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#define CPUID_FEATURE_APIC (cpuid_features_d & 1<<9)
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#define CPUID_FEATURE_SYSCALL (cpuid_featuresx_d & 1<<11)
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#ifndef __ASSEMBLER__
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#include <stdint.h>
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void cpuid(uint32_t code, uint32_t *a, uint32_t *b, uint32_t *c, uint32_t *d);
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extern uint32_t cpuid_features_b, cpuid_features_c, cpuid_features_d;
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extern uint32_t cpuid_featuresx_b, cpuid_featuresx_c, cpuid_featuresx_d;
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extern uint32_t cpuid_signature;
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extern uint32_t cpuid_max, cpuid_maxx;
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#endif
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