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| author | Michael Brown | 2014-04-29 19:17:17 +0200 |
|---|---|---|
| committer | Michael Brown | 2014-04-29 19:24:10 +0200 |
| commit | 34eaf69ddfabc0877345228a75edecc23a79fc68 (patch) | |
| tree | b4752a2ae2ddc3b0d9239b5ea95d880ba9a73358 | |
| parent | [pcbios] Do not switch to real mode to check for timer interrupt (diff) | |
| download | ipxe-34eaf69ddfabc0877345228a75edecc23a79fc68.tar.gz ipxe-34eaf69ddfabc0877345228a75edecc23a79fc68.tar.xz ipxe-34eaf69ddfabc0877345228a75edecc23a79fc68.zip | |
[pcbios] Do not switch to real mode to sleep the CPU
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>
| -rw-r--r-- | src/arch/i386/interface/pcbios/bios_nap.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/arch/i386/interface/pcbios/bios_nap.c b/src/arch/i386/interface/pcbios/bios_nap.c index 7f4614666..1e7de756b 100644 --- a/src/arch/i386/interface/pcbios/bios_nap.c +++ b/src/arch/i386/interface/pcbios/bios_nap.c @@ -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 ); |