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Changed tm27 clear interrupt macro on all PPC BSPs except the papyrus.

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Joel Sherrill
1998-08-14 15:24:09 +00:00
parent db8e8a8bef
commit 7ba7108101
1 changed files with 5 additions and 0 deletions
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5
c/src/lib/libbsp/powerpc/dmv177/include/bsp.h
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@@ -81,6 +81,11 @@ extern "C" {
#define Clear_tm27_intr() \
do { \
unsigned32 _clicks = 0xffffffff; \
unsigned32 _msr = 0; \
_ISR_Set_level( 0 ); \
asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
_msr &= ~0x8000; \
asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \
asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \
} while (0)