#include <gpxe/nap.h>
#include <realmode.h>
FILE_LICENCE ( GPL2_OR_LATER );
/**
* Save power by halting the CPU until the next interrupt
*
*/
static void bios_cpu_nap ( void ) {
__asm__ __volatile__ ( REAL_CODE ( "sti\n\t"
"hlt\n\t"
"cli\n\t" ) : : );
}
PROVIDE_NAP ( pcbios, cpu_nap, bios_cpu_nap );