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[pcbios] Do not switch to real mode to sleep the CPU

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Now that we can handle interrupts while in protected mode, there is no
need to switch to real mode just to halt the CPU.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2014-04-29 18:17:17 +01:00
parent e4593909a8
commit 34eaf69ddf
1 changed files with 3 additions and 3 deletions
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6
src/arch/i386/interface/pcbios/bios_nap.c
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@@ -8,9 +8,9 @@ FILE_LICENCE ( GPL2_OR_LATER );
*
*/
static void bios_cpu_nap ( void ) {
__asm__ __volatile__ ( REAL_CODE ( "sti\n\t"
"hlt\n\t"
"cli\n\t" ) : : );
__asm__ __volatile__ ( "sti\n\t"
"hlt\n\t"
"cli\n\t" );
}
PROVIDE_NAP ( pcbios, cpu_nap, bios_cpu_nap );