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80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
#pragma once
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#include <stdint.h>
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#if defined(__GNUC__)
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#include <cpuid.h>
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#elif defined(_MSC_VER)
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#include <intrin.h>
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#endif
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#if CPUINFO_MOCK
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#include <cpuinfo-mock.h>
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#endif
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#include <x86/api.h>
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#if defined(__GNUC__) || defined(_MSC_VER)
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static inline struct cpuid_regs cpuid(uint32_t eax) {
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#if CPUINFO_MOCK
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uint32_t regs_array[4];
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cpuinfo_mock_get_cpuid(eax, regs_array);
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return (struct cpuid_regs) {
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.eax = regs_array[0],
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.ebx = regs_array[1],
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.ecx = regs_array[2],
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.edx = regs_array[3],
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};
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#else
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struct cpuid_regs regs;
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#if defined(__GNUC__)
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__cpuid(eax, regs.eax, regs.ebx, regs.ecx, regs.edx);
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#else
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int regs_array[4];
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__cpuid(regs_array, (int) eax);
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regs.eax = regs_array[0];
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regs.ebx = regs_array[1];
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regs.ecx = regs_array[2];
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regs.edx = regs_array[3];
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#endif
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return regs;
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#endif
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}
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static inline struct cpuid_regs cpuidex(uint32_t eax, uint32_t ecx) {
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#if CPUINFO_MOCK
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uint32_t regs_array[4];
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cpuinfo_mock_get_cpuidex(eax, ecx, regs_array);
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return (struct cpuid_regs) {
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.eax = regs_array[0],
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.ebx = regs_array[1],
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.ecx = regs_array[2],
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.edx = regs_array[3],
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};
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#else
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struct cpuid_regs regs;
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#if defined(__GNUC__)
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__cpuid_count(eax, ecx, regs.eax, regs.ebx, regs.ecx, regs.edx);
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#else
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int regs_array[4];
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__cpuidex(regs_array, (int) eax, (int) ecx);
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regs.eax = regs_array[0];
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regs.ebx = regs_array[1];
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regs.ecx = regs_array[2];
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regs.edx = regs_array[3];
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#endif
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return regs;
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#endif
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}
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#endif
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static inline uint64_t xgetbv(uint32_t ext_ctrl_reg) {
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#ifdef _MSC_VER
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return (uint64_t)_xgetbv((unsigned int)ext_ctrl_reg);
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#else
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uint32_t lo, hi;
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__asm__(".byte 0x0F, 0x01, 0xD0" : "=a" (lo), "=d" (hi) : "c" (ext_ctrl_reg));
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return ((uint64_t) hi << 32) | (uint64_t) lo;
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#endif
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}
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