bios_nap.c File Reference

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

Go to the source code of this file.

Functions

FILE_LICENCE (GPL2_OR_LATER)

static void bios_cpu_nap (void)

Save power by halting the CPU until the next interrupt.

PROVIDE_NAP (pcbios, cpu_nap, bios_cpu_nap)

Function Documentation

FILE_LICENCE ( GPL2_OR_LATER )

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.

References __asm__(), and REAL_CODE.

00010                                   {
00011         __asm__ __volatile__ ( REAL_CODE ( "sti\n\t"
00012                                            "hlt\n\t"
00013                                            "cli\n\t" ) : : );
00014 }

PROVIDE_NAP	(	pcbios	,
		cpu_nap	,
		bios_cpu_nap
	)


Functions
	FILE_LICENCE (GPL2_OR_LATER)
static void	bios_cpu_nap (void)
	Save power by halting the CPU until the next interrupt.
	PROVIDE_NAP (pcbios, cpu_nap, bios_cpu_nap)