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15 lines
291 B
C
15 lines
291 B
C
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#include <gpxe/nap.h>
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#include <realmode.h>
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/**
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* Save power by halting the CPU until the next interrupt
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*
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*/
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static void bios_cpu_nap ( void ) {
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__asm__ __volatile__ ( REAL_CODE ( "sti\n\t"
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"hlt\n\t"
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"cli\n\t" ) : : );
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}
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PROVIDE_NAP ( pcbios, cpu_nap, bios_cpu_nap );
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