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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@264 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2008-04-14 12:25:50 +00:00
parent 97ec157b50
commit 1eabb376cd
1 changed files with 5 additions and 1 deletions
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6
ports/ARMCM3/chcore.c
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@ -76,7 +76,11 @@ void threadstart(void) {
void SysTickVector(void) {
chSysIRQEnterI();
chSysLock();
chSysTimerHandlerI();
chSysUnlock();
chSysIRQExitI();
}
@ -94,7 +98,6 @@ void chSysIRQExitI(void) {
asm volatile ("mrs r0, PSP \n\t" \
"ldr r2, [r0, #24] \n\t" \
"orr r2, r2, #1 \n\t" \
"ldr r1, =retaddr \n\t" \
"str r2, [r1] \n\t" \
"ldr r1, =threadswitch \n\t" \
@ -118,6 +121,7 @@ void threadswitch(void) {
"push {r0} \n\t" \
"ldr r0, =retaddr \n\t" \
"ldr r0, [r0] \n\t" \
"orr r0, r0, #1 \n\t" \
"str r0, [sp, #28] \n\t" \
"bl chSchDoRescheduleI \n\t" \
"pop {r0} \n\t" \