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#include <cstdint>
namespace assembly {
inline std::uint64_t rdmsr(std::uint32_t msr) {
std::uint32_t lo, hi;
__asm__ volatile ("rdmsr" : "=a"(lo), "=d"(hi) : "c"(msr));
return ((std::uint64_t)hi << 32) | lo;
}
inline void wrmsr(std::uint32_t msr, std::uint64_t value) {
std::uint32_t lo = (uint32_t)(value & 0xFFFFFFFF);
std::uint32_t hi = (uint32_t)(value >> 32);
__asm__ volatile ("wrmsr" : : "c"(msr), "a"(lo), "d"(hi));
}
inline void cpuid(int code, int code2, std::uint32_t *a, std::uint32_t *b, std::uint32_t *c , std::uint32_t *d) {
__asm__ volatile("cpuid":"=a"(*a),"=b"(*b),"=c"(*c),"=d"(*d):"a"(code),"c"(code2));
}
inline int cpuid_string(int code, std::uint32_t where[4]) {
__asm__ volatile("cpuid":"=a"(*where),"=b"(*(where+1)),"=c"(*(where+2)),"=d"(*(where+3)):"a"(code));
return (int)where[0];
}
inline std::uint64_t rdtsc() {
unsigned int hi, lo;
__asm__ volatile ("rdtsc" : "=a"(lo), "=d"(hi));
return ((uint64_t)hi << 32) | lo;
}
};
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