PLSysSec
diff --git a/‎arch/cortex-m/src/support.rs‎
Lines changed: 1 addition & 1 deletion b/‎arch/cortex-m/src/support.rs‎
Lines changed: 1 addition & 1 deletion
@@ -98,7 +98,7 @@ pub fn is_interrupt_context() -> bool {
 
     // If IPSR[8:0] is 0 then we are in thread mode. Otherwise an interrupt has
     // occurred and we are in some interrupt service routine.
-    (interrupt_number & 0xFF) != 0
+    (interrupt_number & 0x1FF) != 0
 }
 
 #[cfg(not(any(doc, all(target_arch = "arm", target_os = "none"))))]
Original file line number	Diff line number	Diff line change
`@@ -98,7 +98,7 @@ pub fn is_interrupt_context() -> bool {`
`98`	`98`
`99`	`99`	`// If IPSR[8:0] is 0 then we are in thread mode. Otherwise an interrupt has`
`100`	`100`	`// occurred and we are in some interrupt service routine.`
`101`		`- (interrupt_number & 0xFF) != 0`
	`101`	`+ (interrupt_number & 0x1FF) != 0`
`102`	`102`	`}`
`103`	`103`
`104`	`104`	`#[cfg(not(any(doc, all(target_arch = "arm", target_os = "none"))))]`