diff options
Diffstat (limited to 'cortex_m')
-rw-r--r-- | cortex_m/critical_section.h | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/cortex_m/critical_section.h b/cortex_m/critical_section.h deleted file mode 100644 index 6b611a8..0000000 --- a/cortex_m/critical_section.h +++ /dev/null @@ -1,21 +0,0 @@ -#pragma once - -#include <cstdint> - -struct critical_section { - uint32_t primask; - - critical_section() { - asm volatile("mrs %0, primask" : "=r" (primask)); - - asm volatile("cpsid i"); - - asm volatile("dmb"); - } - - ~critical_section() { - asm volatile("dmb"); - - asm volatile("msr primask, %0" :: "r" (primask)); - } -}; |