mirror of
https://github.com/checkpoint-restore/criu.git
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70833bcf29
Acked-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Adrian Reber <areber@redhat.com>
29 lines
791 B
C
29 lines
791 B
C
#ifndef ZDTM_CPUID_H__
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#define ZDTM_CPUID_H__
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/*
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* Adopted from linux kernel code.
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*/
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static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
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{
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/* ecx is often an input as well as an output. */
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asm volatile("cpuid" : "=a"(*eax), "=b"(*ebx), "=c"(*ecx), "=d"(*edx) : "0"(*eax), "2"(*ecx) : "memory");
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}
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static inline void cpuid(unsigned int op, unsigned int *eax, unsigned int *ebx, unsigned int *ecx, unsigned int *edx)
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{
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*eax = op;
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*ecx = 0;
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native_cpuid(eax, ebx, ecx, edx);
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}
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static inline void cpuid_count(unsigned int op, unsigned int count, unsigned int *eax, unsigned int *ebx,
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unsigned int *ecx, unsigned int *edx)
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{
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*eax = op;
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*ecx = count;
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native_cpuid(eax, ebx, ecx, edx);
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}
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#endif /* ZDTM_CPUID_H__ */
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