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-rw-r--r--ports/ARMCM3/chcore.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ports/ARMCM3/chcore.c b/ports/ARMCM3/chcore.c
index 5a718abc0..25ba2e85f 100644
--- a/ports/ARMCM3/chcore.c
+++ b/ports/ARMCM3/chcore.c
@@ -56,6 +56,7 @@ void chSysSwitchI(Thread *otp, Thread *ntp) {
__attribute__((naked, weak))
void chSysHalt(void) {
+ chSysLock();
while (TRUE) {
}
}