16 lines
478 B
C
16 lines
478 B
C
#ifndef _ASM_X86_MWAIT_H
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#define _ASM_X86_MWAIT_H
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#define MWAIT_SUBSTATE_MASK 0xf
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#define MWAIT_CSTATE_MASK 0xf
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#define MWAIT_SUBSTATE_SIZE 4
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#define MWAIT_HINT2CSTATE(hint) (((hint) >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK)
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#define MWAIT_HINT2SUBSTATE(hint) ((hint) & MWAIT_CSTATE_MASK)
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#define CPUID_MWAIT_LEAF 5
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#define CPUID5_ECX_EXTENSIONS_SUPPORTED 0x1
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#define CPUID5_ECX_INTERRUPT_BREAK 0x2
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#define MWAIT_ECX_INTERRUPT_BREAK 0x1
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#endif /* _ASM_X86_MWAIT_H */
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