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-rw-r--r--cortex_m/critical_section.h21
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));
- }
-};