1 /* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 and
5 * only version 2 as published by the Free Software Foundation.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 .macro arch_ret_to_user, tmp1, tmp2
25 #if !defined(CONFIG_ARM_GIC)
26 #include <mach/msm_iomap.h>
28 .macro get_irqnr_preamble, base, tmp
29 @ enable imprecise aborts
31 mov \base, #MSM_VIC_BASE
34 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
35 @ 0xD0 has irq# or old irq# if the irq has been handled
36 @ 0xD4 has irq# or -1 if none pending *but* if you just
37 @ read 0xD4 you never get the first irq for some reason
38 ldr \irqnr, [\base, #0xD0]
39 ldr \irqnr, [\base, #0xD4]
40 cmp \irqnr, #0xffffffff