From 2d75a9be32e2510ff32d331c33178c4625a53054 Mon Sep 17 00:00:00 2001 From: Vegard Storheil Eriksen Date: Sat, 10 Sep 2022 17:10:09 +0200 Subject: riscv: Add critical section. --- cortex_m/critical_section.h | 21 --------------------- 1 file changed, 21 deletions(-) delete mode 100644 cortex_m/critical_section.h (limited to 'cortex_m/critical_section.h') 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 - -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)); - } -}; -- cgit v1.2.3