diff options
Diffstat (limited to 'ports/ARMCM3/chcore.h')
| -rw-r--r-- | ports/ARMCM3/chcore.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ports/ARMCM3/chcore.h b/ports/ARMCM3/chcore.h index c213b9ffd..a0f0c4f4e 100644 --- a/ports/ARMCM3/chcore.h +++ b/ports/ARMCM3/chcore.h @@ -186,6 +186,13 @@ typedef struct { */
#define sys_enable_from_isr() sys_enable()
+/**
+ * Disables all the interrupt sources, even those having a priority higher
+ * to the kernel.
+ * In the Cortex-M3 it raises the priority mask to level 0.
+ */
+#define sys_disable_all() asm volatile ("cpsid i")
+
#if ENABLE_WFI_IDLE != 0
/**
* This port function is implemented as inlined code for performance reasons.
|