1/* 2 * Copyright (C) 2007 Google, Inc. 3 * Author: Brian Swetland <swetland@google.com> 4 * 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. 8 * 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. 13 * 14 */ 15 16#include <mach/msm_iomap.h> 17 18 .macro disable_fiq 19 .endm 20 21 .macro get_irqnr_preamble, base, tmp 22 @ enable imprecise aborts 23 cpsie a 24 mov \base, #MSM_VIC_BASE 25 .endm 26 27 .macro arch_ret_to_user, tmp1, tmp2 28 .endm 29 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 37 .endm 38