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Merge pull request #14333 from bergzand/pr/cortexm_common/thread_arch_remove_pipe

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cortexm_common: Remove read in ICSR register read-modify-write operations
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Kaspar Schleiser 2020-06-23 13:29:34 +02:00 committed by GitHub
commit 9a10aad0a0
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 3 deletions
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6
cpu/cortexm_common/thread_arch.c
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@ -280,7 +280,7 @@ void thread_yield_higher(void)
{
/* trigger the PENDSV interrupt to run scheduler and schedule new thread if
* applicable */
SCB->ICSR |= SCB_ICSR_PENDSVSET_Msk;
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
}
void __attribute__((naked)) __attribute__((used)) isr_pendsv(void) {
@ -432,7 +432,7 @@ static void __attribute__((used)) _svc_dispatch(unsigned int *svc_args)
switch (svc_number) {
case 1: /* SVC number used by cpu_switch_context_exit */
SCB->ICSR |= SCB_ICSR_PENDSVSET_Msk;
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
break;
default:
DEBUG("svc: unhandled SVC #%u\n", svc_number);
@ -443,6 +443,6 @@ static void __attribute__((used)) _svc_dispatch(unsigned int *svc_args)
#else /* MODULE_CORTEXM_SVC */
void __attribute__((used)) isr_svc(void)
{
SCB->ICSR |= SCB_ICSR_PENDSVSET_Msk;
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
}
#endif /* MODULE_CORTEXM_SVC */