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| author | Kevin O'Connor <kevin@koconnor.net> | 2017-07-12 22:16:16 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2017-07-17 15:02:43 -0400 |
| commit | 118fd21cb815d1c27e7e5bd6b394369bdf095919 (patch) | |
| tree | 78ceda354491dfb66419f0a7e892017a05319a73 /src/generic/armcm_irq.c | |
| parent | 969485c754731183f357e6fef23c6180f59d4cb6 (diff) | |
| download | kutter-118fd21cb815d1c27e7e5bd6b394369bdf095919.tar.gz kutter-118fd21cb815d1c27e7e5bd6b394369bdf095919.tar.xz kutter-118fd21cb815d1c27e7e5bd6b394369bdf095919.zip | |
irq: Support sleeping when mcu is idle
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/generic/armcm_irq.c')
| -rw-r--r-- | src/generic/armcm_irq.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/generic/armcm_irq.c b/src/generic/armcm_irq.c index 7778c389..9b5a67d5 100644 --- a/src/generic/armcm_irq.c +++ b/src/generic/armcm_irq.c @@ -35,6 +35,12 @@ irq_restore(irqstatus_t flag) } void +irq_wait(void) +{ + asm volatile("cpsie i\n wfi\n cpsid i\n" ::: "memory"); +} + +void irq_poll(void) { } |