Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add a check for r8 equal to 0 and do a quick exit if it is.

This commit is contained in:
mark 1998-12-28 09:39:02 +00:00
parent 509315b9e0
commit 767af4d82c
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
sys/arch/arm32/footbridge/footbridge_irq.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: footbridge_irq.S,v 1.1 1998/09/06 02:20:35 mark Exp $ */
/* $NetBSD: footbridge_irq.S,v 1.2 1998/12/28 09:39:02 mark Exp $ */
/*
* Copyright (c) 1998 Mark Brinicombe.
@ -107,6 +107,10 @@ ASENTRY_NP(irq_entry)
mov r10, #(DC21285_ARMCSR_VBASE)
ldr r8, [r10, #(IRQ_STATUS)]
/* This condition needs further examination */
teq r8, #0
beq irq_unknown
/* Block the current requested interrupts */
ldr r1, Lintr_disabled_mask
ldr r0, [r1]
@ -251,6 +255,7 @@ nextirq:
orr r0, r0, #(I32_bit)
msr cpsr_all, r0
irq_unknown:
/* Decrement the nest count */
ldr r0, Lcurrent_intr_depth
ldr r1, [r0]