Michael Brown
c85ad12468
Define a cpu_halt() function which is architecture-specific but platform-independent, and merge the multiple architecture-specific implementations of the EFI cpu_nap() function into a single central efi_cpu_nap() that uses cpu_halt() if applicable. Signed-off-by: Michael Brown <mcb30@ipxe.org>
21 lines
331 B
C
21 lines
331 B
C
#ifndef _BITS_NAP_H
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#define _BITS_NAP_H
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/** @file
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*
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* ARM-specific CPU sleeping API implementations
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/**
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* Sleep until next CPU interrupt
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*
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*/
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static inline __attribute__ (( always_inline )) void cpu_halt ( void ) {
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__asm__ __volatile__ ( "wfi" );
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}
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#endif /* _BITS_NAP_H */
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