Files
SUB-OS/include/arch/x86_64/cpuid.h
T

37 lines
825 B
C

#ifndef _ARCH_X86_64_CPUID_H
#define _ARCH_X86_64_CPUID_H
#include <stdint.h>
#include <stdbool.h>
typedef struct {
char vendor[13];
char model[49];
uint32_t family;
uint32_t model_id;
uint32_t stepping;
bool has_fpu;
bool has_tsc;
bool has_msr;
bool has_pae;
bool has_apic;
bool has_sse;
bool has_sse2;
bool has_sse3;
bool has_sse4_1;
bool has_sse4_2;
bool has_avx;
bool has_rdrand;
} cpu_info_t;
static inline void cpuid(uint32_t leaf, uint32_t* eax, uint32_t* ebx, uint32_t* ecx, uint32_t* edx) {
__asm__ volatile("cpuid"
: "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx)
: "a"(leaf), "c"(0));
}
void cpuid_detect(cpu_info_t* info);
const cpu_info_t* cpuid_get_info(void);
#endif // _ARCH_X86_64_CPUID_H