summaryrefslogtreecommitdiff
path: root/target/linux/brcm-2.4/files/arch/mips/bcm947xx/generic/int-handler.S
blob: cdb45c3e16a01c2200cc2d02ee73b86b6a5c4225 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
/*
 * Generic interrupt handler for Broadcom MIPS boards
 *
 * Copyright 2004, Broadcom Corporation
 * All Rights Reserved.
 * 
 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
 *
 * $Id: int-handler.S,v 1.1 2005/03/16 13:50:00 wbx Exp $
 */

#include <linux/config.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	at
    .set    noreorder

	jal	    brcm_irq_dispatch
	 move	a0, sp

	j	    ret_from_irq
	 nop
		
	END(brcmIRQ)