1/*
2 * arch/arm/mach-ebsa110/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for ebsa110 platform.
5 *
6 * This file is licensed under  the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10
11
12
13#define IRQ_STAT		0xff000000	/* read */
14
15	.macro  get_irqnr_preamble, base, tmp
16	mov	\base, #IRQ_STAT
17	.endm
18
19	.macro	get_irqnr_and_base, irqnr, stat, base, tmp
20	ldrb	\stat, [\base]			@ get interrupts
21	mov	\irqnr, #0
22	tst	\stat, #15
23	addeq	\irqnr, \irqnr, #4
24	moveq	\stat, \stat, lsr #4
25	tst	\stat, #3
26	addeq	\irqnr, \irqnr, #2
27	moveq	\stat, \stat, lsr #2
28	tst	\stat, #1
29	addeq	\irqnr, \irqnr, #1
30	moveq	\stat, \stat, lsr #1
31	tst	\stat, #1			@ bit 0 should be set
32	.endm
33
34