summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/sysdev/dcr-low.S
diff options
context:
space:
mode:
authorMike Travis <travis@sgi.com>2008-12-31 17:34:16 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-03 18:53:31 +0100
commit7eb19553369c46cc1fa64caf120cbcab1b597f7c (patch)
treeef1a3beae706b9497c845d0a2557ceb4d2754998 /arch/powerpc/sysdev/dcr-low.S
parent6092848a2a23b660150a38bc06f59d75838d70c8 (diff)
parent8c384cdee3e04d6194a2c2b192b624754f990835 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
Conflicts: arch/x86/kernel/io_apic.c kernel/rcuclassic.c kernel/sched.c kernel/time/tick-sched.c Signed-off-by: Mike Travis <travis@sgi.com> [ mingo@elte.hu: backmerged typo fix for io_apic.c ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/sysdev/dcr-low.S')
-rw-r--r--arch/powerpc/sysdev/dcr-low.S8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/dcr-low.S b/arch/powerpc/sysdev/dcr-low.S
index 2078f39e2f1..d3098ef1404 100644
--- a/arch/powerpc/sysdev/dcr-low.S
+++ b/arch/powerpc/sysdev/dcr-low.S
@@ -11,14 +11,20 @@
#include <asm/ppc_asm.h>
#include <asm/processor.h>
+#include <asm/bug.h>
#define DCR_ACCESS_PROLOG(table) \
+ cmpli cr0,r3,1024; \
rlwinm r3,r3,4,18,27; \
lis r5,table@h; \
ori r5,r5,table@l; \
add r3,r3,r5; \
+ bge- 1f; \
mtctr r3; \
- bctr
+ bctr; \
+1: trap; \
+ EMIT_BUG_ENTRY 1b,__FILE__,__LINE__,0; \
+ blr
_GLOBAL(__mfdcr)
DCR_ACCESS_PROLOG(__mfdcr_table)