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Russell Kinga09e64f2008-08-05 16:14:15 +01001/*
2 * arch/arm/mach-loki/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for Marvell Loki (88RC8480) platforms
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
Nicolas Pitrefdd8b072009-04-22 20:08:17 +010011#include <mach/bridge-regs.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010012
13 .macro disable_fiq
14 .endm
15
16 .macro arch_ret_to_user, tmp1, tmp2
17 .endm
18
19 .macro get_irqnr_preamble, base, tmp
20 ldr \base, =IRQ_VIRT_BASE
21 .endm
22
23 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
24 ldr \irqstat, [\base, #IRQ_CAUSE_OFF]
25 ldr \tmp, [\base, #IRQ_MASK_OFF]
26 mov \irqnr, #0
27 ands \irqstat, \irqstat, \tmp
28 clzne \irqnr, \irqstat
29 rsbne \irqnr, \irqnr, #31
30 .endm