CPUID: Difference between revisions
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| [unchecked revision] | [unchecked revision] |
Content deleted Content added
m Correction to cpuid_string. It was returning value of uninitialized local variable. |
m Correction to inline asm; input constraint for EAX input was "0" instead of "a" |
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*/ |
*/ |
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static inline void cpuid(int code, dword *a, dword *d) { |
static inline void cpuid(int code, dword *a, dword *d) { |
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asm volatile("cpuid":"=a"(*a),"=d"(*d):" |
asm volatile("cpuid":"=a"(*a),"=d"(*d):"a"(code):"ecx","ebx"); |
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} |
} |
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static inline int cpuid_string(int code, dword where[4]) { |
static inline int cpuid_string(int code, dword where[4]) { |
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asm volatile("cpuid":"=a"(*where),"=b"(*(where+1)), |
asm volatile("cpuid":"=a"(*where),"=b"(*(where+1)), |
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"=c"(*(where+2)),"=d"(*(where+3)):" |
"=c"(*(where+2)),"=d"(*(where+3)):"a"(code)); |
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return (int)where[0]; |
return (int)where[0]; |
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} |
} |
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