2012-12-24 15:36:14 +04:00
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#ifndef __CR_CPU_H__
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#define __CR_CPU_H__
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2012-12-21 17:35:34 +04:00
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#include "types.h"
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/*
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* Adopted from linux kernel.
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*/
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#define NCAPINTS (10) /* N 32-bit words worth of info */
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#define NCAPINTS_BITS (NCAPINTS * 32)
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#define X86_FEATURE_FPU (0*32+ 0) /* Onboard FPU */
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#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE/FXRSTOR, CR4.OSFXSR */
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#define X86_FEATURE_XSAVE (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
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extern const char * const x86_cap_flags[NCAPINTS_BITS];
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extern void cpu_set_feature(unsigned int feature);
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extern bool cpu_has_feature(unsigned int feature);
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extern int cpu_init(void);
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#endif /* CPU_H__ */
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