sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-28 18:42:53 +03:00
Code Issues Packages Projects Releases Wiki Activity

[nap] Formalise the CPU sleeping API

Browse Source
This commit is contained in:
Michael Brown
2008-10-12 23:34:45 +01:00
parent 658c6dba59
commit c0835339d0
12 changed files with 138 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/arch/i386/core/nap.c
View File

@@ -1,12 +0,0 @@
#include <realmode.h>
#include <bios.h>
/**************************************************************************
* Save power by halting the CPU until the next interrupt
**************************************************************************/
void cpu_nap ( void ) {
__asm__ __volatile__ ( REAL_CODE ( "sti\n\t"
"hlt\n\t"
"cli\n\t" ) : : );
}