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