File size: 1,858 Bytes
8b7c501 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 |
#pragma once
#include <stdint.h>
#if defined(__GNUC__)
#include <cpuid.h>
#elif defined(_MSC_VER)
#include <intrin.h>
#endif
#if CPUINFO_MOCK
#include <cpuinfo-mock.h>
#endif
#include <x86/api.h>
#if defined(__GNUC__) || defined(_MSC_VER)
static inline struct cpuid_regs cpuid(uint32_t eax) {
#if CPUINFO_MOCK
uint32_t regs_array[4];
cpuinfo_mock_get_cpuid(eax, regs_array);
return (struct cpuid_regs) {
.eax = regs_array[0],
.ebx = regs_array[1],
.ecx = regs_array[2],
.edx = regs_array[3],
};
#else
struct cpuid_regs regs;
#if defined(__GNUC__)
__cpuid(eax, regs.eax, regs.ebx, regs.ecx, regs.edx);
#else
int regs_array[4];
__cpuid(regs_array, (int) eax);
regs.eax = regs_array[0];
regs.ebx = regs_array[1];
regs.ecx = regs_array[2];
regs.edx = regs_array[3];
#endif
return regs;
#endif
}
static inline struct cpuid_regs cpuidex(uint32_t eax, uint32_t ecx) {
#if CPUINFO_MOCK
uint32_t regs_array[4];
cpuinfo_mock_get_cpuidex(eax, ecx, regs_array);
return (struct cpuid_regs) {
.eax = regs_array[0],
.ebx = regs_array[1],
.ecx = regs_array[2],
.edx = regs_array[3],
};
#else
struct cpuid_regs regs;
#if defined(__GNUC__)
__cpuid_count(eax, ecx, regs.eax, regs.ebx, regs.ecx, regs.edx);
#else
int regs_array[4];
__cpuidex(regs_array, (int) eax, (int) ecx);
regs.eax = regs_array[0];
regs.ebx = regs_array[1];
regs.ecx = regs_array[2];
regs.edx = regs_array[3];
#endif
return regs;
#endif
}
#endif
static inline uint64_t xgetbv(uint32_t ext_ctrl_reg) {
#ifdef _MSC_VER
return (uint64_t)_xgetbv((unsigned int)ext_ctrl_reg);
#else
uint32_t lo, hi;
__asm__(".byte 0x0F, 0x01, 0xD0" : "=a" (lo), "=d" (hi) : "c" (ext_ctrl_reg));
return ((uint64_t) hi << 32) | (uint64_t) lo;
#endif
}
|