xCAT/xNBA
2
0
Fork 0
mirror of https://github.com/xcat2/xNBA.git synced 2024-11-22 09:31:51 +00:00
Code Issues Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/arch/i386/interface/pcbios/bios_nap.c
View File

@ -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 );