1 /* include/asm-arm/arch-msm7200/entry-macro.S
3 * Copyright (C) 2007 Google, Inc.
4 * Author: Brian Swetland <swetland@google.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 #include <asm/arch/msm_iomap.h>
22 .macro get_irqnr_preamble, base, tmp
23 @ enable imprecise aborts
25 mov \base, #MSM_VIC_BASE
28 .macro arch_ret_to_user, tmp1, tmp2
31 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
32 @ 0xD0 has irq# or old irq# if the irq has been handled
33 @ 0xD4 has irq# or -1 if none pending *but* if you just
34 @ read 0xD4 you never get the first irq for some reason
35 ldr \irqnr, [\base, #0xD0]
36 ldr \irqnr, [\base, #0xD4]
37 cmp \irqnr, #0xffffffff