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added #define IPI_LEVEL

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This commit is contained in:
Steve Passe 1997-07-08 23:39:02 +00:00
parent ad2e8ff493
commit e94543eef4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27286
1 changed files with 7 additions and 5 deletions
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12
sys/i386/i386/mplock.s
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@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: mplock.s,v 1.5 1997/07/06 23:50:12 fsmp Exp $
* $Id: mplock.s,v 1.3 1997/07/08 23:35:01 smp Exp smp $
*
* Functions for locking between CPUs in a SMP system.
*
@ -25,10 +25,12 @@
* these are all temps for debugging CPUSTOP code
* they will (hopefully) go away soon...
*/
#define MARK_HITS_NOT
#define ADJUST_TPR_NOT
#define MARK_HITS
#define ADJUST_TPR
#define ADJUST_IPL_NOT
#define REALLY_STI_NOT
#define REALLY_STI
#define IPI_LEVEL 0x3f
#ifdef MARK_HITS
#define MARK_HIT(X) \
@ -175,7 +177,7 @@ NON_GPROF_ENTRY(get_mplock)
btl $9, (%esp) /* test EI bit */
jc 1f /* INTs currently enabled */
andl $0xffffff00, %eax /* clear task priority field */
orl $0x50, %eax /* only allow IPIs
orl $IPI_LEVEL, %eax /* only allow IPIs
movl %eax, lapic_tpr /* set it */
#endif /* ADJUST_TPR */