Merge branch 'samsung/exynos5' into next/soc2
[linux-2.6.git] / arch / arm / mach-ks8695 / include / mach / entry-macro.S
1 /*
2  * arch/arm/mach-ks8695/include/mach/entry-macro.S
3  *
4  * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk>
5  * Copyright (C) 2006 Simtec Electronics
6  *
7  * Low-level IRQ helper macros for KS8695
8  *
9  * This file is licensed under  the terms of the GNU General Public
10  * License version 2. This program is licensed "as is" without any
11  * warranty of any kind, whether express or implied.
12 */
13
14 #include <mach/hardware.h>
15 #include <mach/regs-irq.h>
16
17         .macro  get_irqnr_preamble, base, tmp
18                 ldr     \base, =KS8695_IRQ_VA                   @ Base address of interrupt controller
19         .endm
20
21         .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
22                 ldr     \irqstat, [\base, #KS8695_INTMS]        @ Mask Status register
23
24                 teq     \irqstat, #0
25                 beq     1001f
26
27                 mov     \irqnr, #0
28
29                 tst     \irqstat, #0xff
30                 moveq   \irqstat, \irqstat, lsr #8
31                 addeq   \irqnr, \irqnr, #8
32                 tsteq   \irqstat, #0xff
33                 moveq   \irqstat, \irqstat, lsr #8
34                 addeq   \irqnr, \irqnr, #8
35                 tsteq   \irqstat, #0xff
36                 moveq   \irqstat, \irqstat, lsr #8
37                 addeq   \irqnr, \irqnr, #8
38                 tst     \irqstat, #0x0f
39                 moveq   \irqstat, \irqstat, lsr #4
40                 addeq   \irqnr, \irqnr, #4
41                 tst     \irqstat, #0x03
42                 moveq   \irqstat, \irqstat, lsr #2
43                 addeq   \irqnr, \irqnr, #2
44                 tst     \irqstat, #0x01
45                 addeqs  \irqnr, \irqnr, #1
46 1001:
47         .endm