Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stts: don't modify %cr0 if TS is already set.

Browse Source
This commit is contained in:
ad 2008-09-23 08:50:11 +00:00
parent 95da771bbd
commit c5eb1a3b5c
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/arch/i386/i386/cpufunc.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: cpufunc.S,v 1.12 2008/05/25 15:56:12 chs Exp $ */
/* $NetBSD: cpufunc.S,v 1.13 2008/09/23 08:50:11 ad Exp $ */
/*-
* Copyright (c) 1998, 2007 The NetBSD Foundation, Inc.
@ -36,7 +36,7 @@
*/
#include <machine/asm.h>
__KERNEL_RCSID(0, "$NetBSD: cpufunc.S,v 1.12 2008/05/25 15:56:12 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: cpufunc.S,v 1.13 2008/09/23 08:50:11 ad Exp $");
#include "opt_xen.h"
@ -371,8 +371,11 @@ END(clts)
ENTRY(stts)
movl %cr0, %eax
testl $CR0_TS, %eax
jnz 1f
orl $CR0_TS, %eax
movl %eax, %cr0
1:
ret
END(stts)