diff options
Diffstat (limited to 'src/arch/x86/include/arch/cpuid.h')
| -rw-r--r-- | src/arch/x86/include/arch/cpuid.h | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/src/arch/x86/include/arch/cpuid.h b/src/arch/x86/include/arch/cpuid.h index 70a5beb9b9b8..b2780bec472c 100644 --- a/src/arch/x86/include/arch/cpuid.h +++ b/src/arch/x86/include/arch/cpuid.h @@ -56,39 +56,36 @@ static inline uint32_t cpuid_eax(uint32_t eax) return eax; } -static inline uint32_t cpuid_ebx(const uint32_t eax) +static inline uint32_t cpuid_ebx(uint32_t eax) { uint32_t ebx; asm volatile( "cpuid;" - : "=b" (ebx) - : "a" (eax) - : "ecx", "edx"); + : "=b" (ebx), "+a" (eax) + :: "ecx", "edx"); return ebx; } -static inline uint32_t cpuid_ecx(const uint32_t eax) +static inline uint32_t cpuid_ecx(uint32_t eax) { uint32_t ecx; asm volatile( "cpuid;" - : "=c" (ecx) - : "a" (eax) - : "ebx", "edx"); + : "=c" (ecx), "+a" (eax) + :: "ebx", "edx"); return ecx; } -static inline uint32_t cpuid_edx(const uint32_t eax) +static inline uint32_t cpuid_edx(uint32_t eax) { uint32_t edx; asm volatile( "cpuid;" - : "=d" (edx) - : "a" (eax) - : "ebx", "ecx"); + : "=d" (edx), "+a" (eax) + :: "ebx", "ecx"); return edx; } |