cpuid.h

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#pragma once
 
#include "stdint.h"
#include "kernel.h"
 
#define ECX_FLAGS_SIZE 24
 
#define EDX_FLAGS_SIZE 32
 
typedef struct cpuinfo_t {
    char cpu_vendor[13];
    char *cpu_type;
    uint32_t cpu_family;
    uint32_t cpu_model;
    uint32_t apic_id;
    uint32_t cpuid_ecx_flags[ECX_FLAGS_SIZE];
    uint32_t cpuid_edx_flags[EDX_FLAGS_SIZE];
    int is_brand_string;
    char *brand_string;
} cpuinfo_t;
 
cpuinfo_t sinfo;
 
void get_cpuid(cpuinfo_t *cpuinfo);
 
void call_cpuid(pt_regs *registers);
 
void cpuid_write_vendor(cpuinfo_t *cpuinfo, pt_regs *registers);
 
// TODO: doxygen documentation.
void cpuid_write_proctype(cpuinfo_t *cpuinfo, pt_regs *registers);
 
// TODO: doxygen documentation.
void cpuid_feature_ecx(cpuinfo_t *cpuinfo, uint32_t ecx);
 
// TODO: doxygen documentation.
void cpuid_feature_edx(cpuinfo_t *cpuinfo, uint32_t edx);
 
// TODO: doxygen documentation.
uint32_t cpuid_get_byte(uint32_t reg, uint32_t position, uint32_t value);
 
char *cpuid_brand_index(pt_regs *f);
 
char *cpuid_brand_string(pt_regs *f);