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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2008-04-14 12:25:50 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2008-04-14 12:25:50 +0000 |
| commit | 1eabb376cdaeb42a7421c123d0e1fabd59f6c2d1 (patch) | |
| tree | bff17bc4514d2baf5a129d2119904babe9145494 /ports/ARMCM3 | |
| parent | 97ec157b500badfd14f4387ebb8e8a6bf3ac929e (diff) | |
| download | ChibiOS-1eabb376cdaeb42a7421c123d0e1fabd59f6c2d1.tar.gz ChibiOS-1eabb376cdaeb42a7421c123d0e1fabd59f6c2d1.tar.bz2 ChibiOS-1eabb376cdaeb42a7421c123d0e1fabd59f6c2d1.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@264 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'ports/ARMCM3')
| -rw-r--r-- | ports/ARMCM3/chcore.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ports/ARMCM3/chcore.c b/ports/ARMCM3/chcore.c index 25ba2e85f..4f4019706 100644 --- a/ports/ARMCM3/chcore.c +++ b/ports/ARMCM3/chcore.c @@ -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" \
|