bios_nap.c File Reference

#include <ipxe/nap.h>
#include <realmode.h>

Go to the source code of this file.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
static void	bios_cpu_nap (void)
	Save power by halting the CPU until the next interrupt. More...
	PROVIDE_NAP (pcbios, cpu_nap, bios_cpu_nap)

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

bios_cpu_nap()

static void bios_cpu_nap ( void  )

static

Save power by halting the CPU until the next interrupt.

Definition at line 10 of file bios_nap.c.

                                  {
        __asm__ __volatile__ ( "sti\n\t"
                               "hlt\n\t"
                               "cli\n\t" );
}

References __asm__(), and __volatile__().

PROVIDE_NAP()

PROVIDE_NAP	(	pcbios	,
		cpu_nap	,
		bios_cpu_nap
	)