device/arm: do not mask fault handlers in critical sections

niaow · deadprogram · commit 81c723db1a76 · 2020-06-22T00:08:14.000+02:00
diff --git a/src/device/arm/arm.go b/src/device/arm/arm.go
@@ -196,7 +196,7 @@ func SetPriority(irq uint32, priority uint32) {
 func DisableInterrupts() uintptr {
 	return AsmFull(`
 		mrs {}, PRIMASK
-		cpsid if
+		cpsid i
 	`, nil)
 }
 

Original file line number	Diff line number	Diff line change
`@@ -196,7 +196,7 @@ func SetPriority(irq uint32, priority uint32) {`
`196`	`196`	`func DisableInterrupts() uintptr {`
`197`	`197`	return AsmFull(`
`198`	`198`	`mrs {}, PRIMASK`
`199`		`- cpsid if`
	`199`	`+ cpsid i`
`200`	`200`	`, nil)
`201`	`201`	`}`
`202`	`202`