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| author | Matthias Schiffer <mschiffer@universe-factory.net> | 2013-12-26 00:47:12 +0100 |
|---|---|---|
| committer | Matthias Schiffer <mschiffer@universe-factory.net> | 2013-12-26 00:47:12 +0100 |
| commit | 7755b22419438356dcf62b54d7cce539bb4c7ce7 (patch) | |
| tree | dfae1b11e7e6bf28049852e15bcec44fddd432f6 /src/cpuid.h | |
| parent | a1733e23340d8a8017bee168459c95d1c20a39f8 (diff) | |
| download | fastd-7755b22419438356dcf62b54d7cce539bb4c7ce7.tar fastd-7755b22419438356dcf62b54d7cce539bb4c7ce7.zip | |
Change fastd_cpuid back to use inline assembly to support non-Linux systems again
Diffstat (limited to 'src/cpuid.h')
| -rw-r--r-- | src/cpuid.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/src/cpuid.h b/src/cpuid.h index d909ad9..e4c6d95 100644 --- a/src/cpuid.h +++ b/src/cpuid.h @@ -27,10 +27,8 @@ #ifndef _FASTD_CPUID_H_ #define _FASTD_CPUID_H_ -#include <cpuid.h> #include <stdint.h> - #define CPUID_FXSR ((uint64_t)1 << 24) #define CPUID_SSE2 ((uint64_t)1 << 26) #define CPUID_PCLMULQDQ ((uint64_t)1 << 33) @@ -38,10 +36,9 @@ static inline uint64_t fastd_cpuid(void) { - unsigned eax, ebc, ecx, edx; + unsigned eax, ebx, ecx, edx; - if (!__get_cpuid(1, &eax, &ebc, &ecx, &edx)) - return 0; + __asm__("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (1)); return ((uint64_t)ecx) << 32 | edx; } |