aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap1/include/mach/entry-macro.S
blob: bfb4fb1d7382018e24b4dfb561bbf7cb6d92967d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
/*
 * arch/arm/mach-omap1/include/mach/entry-macro.S
 *
 * Low-level IRQ helper macros for OMAP-based platforms
 *
 * Copyright (C) 2009 Texas Instruments
 *
 * This file is licensed under  the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */
#include <mach/hardware.h>
#include <mach/io.h>
#include <mach/irqs.h>
#include <asm/hardware/gic.h>

 		.macro	disable_fiq
		.endm

		.macro  get_irqnr_preamble, base, tmp
		.endm

		.macro  arch_ret_to_user, tmp1, tmp2
		.endm

		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
		ldr	\base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
		ldr	\irqnr, [\base, #IRQ_ITR_REG_OFFSET]
		ldr	\tmp, [\base, #IRQ_MIR_REG_OFFSET]
		mov	\irqstat, #0xffffffff
		bic	\tmp, \irqstat, \tmp
		tst	\irqnr, \tmp
		beq	1510f

		ldr	\irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
		ldr	\tmp, =omap_irq_flags	@ irq flags address
		ldr	\tmp, [\tmp, #0]	@ irq flags value
		cmp	\irqnr, #0
		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
		cmpeq	\irqnr, \tmp
		ldreq	\base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
		ldreq	\irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
		addeqs	\irqnr, \irqnr, #32
1510:
		.endm