openwrt/target/linux/brcm63xx-2.6/files/arch/mips/bcm963xx/int-handler.S

60 lines
1.4 KiB
ArmAsm

/*
<:copyright-gpl
Copyright 2002 Broadcom Corp. All Rights Reserved.
This program is free software; you can distribute it and/or modify it
under the terms of the GNU General Public License (Version 2) as
published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
:>
*/
/*
* Generic interrupt handler for Broadcom MIPS boards
*/
#include <linux/autoconf.h>
#include <asm/asm.h>
#include <asm/mipsregs.h>
#include <asm/regdef.h>
#include <asm/stackframe.h>
/*
* MIPS IRQ Source
* -------- ------
* 0 Software (ignored)
* 1 Software (ignored)
* 2 Combined hardware interrupt (hw0)
* 3 Hardware
* 4 Hardware
* 5 Hardware
* 6 Hardware
* 7 R4k timer
*/
.text
.set noreorder
.set noat
.align 5
NESTED(brcmIRQ, PT_SIZE, sp)
SAVE_ALL
CLI
.set noreorder
.set at
jal plat_irq_dispatch
move a0, sp
j ret_from_irq
nop
END(brcmIRQ)