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/arch/arm/mach-msm/include/mach/entry-macro-vic.S

https://github.com/AICP/kernel_asus_grouper
Assembly | 37 lines | 32 code | 5 blank | 0 comment | 5 complexity | 02157d7e27d23c6aa310f4cdd0848bd7 MD5 | raw file
 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