diff options
Diffstat (limited to 'src/cpuid.h')
-rw-r--r-- | src/cpuid.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/cpuid.h b/src/cpuid.h index 546c258..9382156 100644 --- a/src/cpuid.h +++ b/src/cpuid.h @@ -23,17 +23,30 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/** + \file + + CPUID function for x86-based platforms +*/ #pragma once #include <stdint.h> +/** The FXSR bit in the CPUID return value */ #define CPUID_FXSR ((uint64_t)1 << 24) + +/** The SSE2 bit in the CPUID return value */ #define CPUID_SSE2 ((uint64_t)1 << 26) + +/** The PCLMULQDQ bit in the CPUID return value */ #define CPUID_PCLMULQDQ ((uint64_t)1 << 33) + +/** The SSSE3 bit in the CPUID return value */ #define CPUID_SSSE3 ((uint64_t)1 << 41) +/** Returns the ECX and EDX return values of CPUID function 1 as a single uint64 */ static inline uint64_t fastd_cpuid(void) { unsigned eax, ebx, ecx, edx; |