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-rw-r--r--c/src/exec/score/cpu/powerpc/cpu.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/c/src/exec/score/cpu/powerpc/cpu.h b/c/src/exec/score/cpu/powerpc/cpu.h
index bb7b1fea49..b64ad914d8 100644
--- a/c/src/exec/score/cpu/powerpc/cpu.h
+++ b/c/src/exec/score/cpu/powerpc/cpu.h
@@ -505,7 +505,7 @@ SCORE_EXTERN struct {
unsigned32 Default_r13;
#endif
#endif
- boolean *Switch_necessary;
+ volatile boolean *Switch_necessary;
boolean *Signal;
} _CPU_IRQ_info CPU_STRUCTURE_ALIGNMENT;
@@ -653,7 +653,7 @@ SCORE_EXTERN struct {
#define _CPU_ISR_Set_level( new_level ) \
{ \
- register unsigned32 tmp; \
+ register unsigned32 tmp = 0; \
asm volatile ( \
"mfmsr %0; andc %0,%0,%1; and %2, %2, %1; or %0, %0, %2; mtmsr %0" : \
"=r" ((tmp)) : \