cpuid.h

//
// Created by ndraey on 03.10.23.
//
 
#pragma once
 
#define cpuid(in, a, b, c, d)    \
    __asm__ __volatile__("cpuid" \
                   : "=a" (a),   \
                     "=b" (b),   \
                     "=c" (c),   \
                     "=d" (d)    \
                   : "a" (in)    \
    )
 
#define cpuid_count(in, count, a, b, c, d)    \
    __asm__ __volatile__("cpuid" \
                   : "=a" (a),   \
                     "=b" (b),   \
                     "=c" (c),   \
                     "=d" (d)    \
                   : "0" (in),    \
                     "2" (count)    \
    )
 
#define INTEL_MAGIC 0x756e6547
#define AMD_MAGIC   0x68747541
 
 
static const char* cpu_flag_edx_description[] = {
        "fpu",
        "vme",
        "debugging",
        "pse",
        "rdtsc",
        "msr",
        "pae",
        "mce",
        "cx8",
        "apic",
        "'reserved 10'",
        "'sysenter/sysexit'",
        "mtrr",
        "pge",
        "mca",
        "cmov",
        "pat",
        "pse-36",
        "psn",
        "clfsh",
        "nx",
        "ds",
        "acpi",
        "mmx",
        "fxsr",
        "sse",
        "sse2",
        "ss",
        "htt",
        "tm",
        "ia64",
        "pbe"
};
 
struct cpu_info {
    size_t manufacturer_id;
    size_t model_id;
    size_t family_id;
    size_t extended_family_id;
    size_t type_id;
    size_t brand_id;
    size_t stepping_id;
 
    const char* brand_string;
    const char* model_string;
    const char* type_string;
 
    size_t l1_i_size;
    size_t l1_d_size;
    size_t l2_size;
    size_t l3_size;
 
    uint32_t feature_flags_ecx;
    uint32_t feature_flags_edx;
};
 
size_t cpu_get_id();
struct cpu_info cpu_get_basic_info();
bool is_long_mode_supported();