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  • only in /netgear-WNDR4500v2-V1.0.0.60_1.0.38/src/linux/linux-2.6/include/asm-arm/arch-l7200/
1/*
2 * include/asm-arm/arch-l7200/entry-macro.S
3 *
4 * Low-level IRQ helper macros for L7200-based platforms
5 *
6 * This file is licensed under  the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10#include <asm/hardware.h>
11
12		.equ	irq_base_addr,	IO_BASE_2
13
14		.macro  disable_fiq
15		.endm
16
17		.macro  get_irqnr_preamble, base, tmp
18		.endm
19
20		.macro  arch_ret_to_user, tmp1, tmp2
21		.endm
22
23		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
24		mov     \irqstat, #irq_base_addr		@ Virt addr IRQ regs
25		add	\irqstat, \irqstat, #0x00001000		@ Status reg
26		ldr     \irqstat, [\irqstat, #0]		@ get interrupts
27		mov     \irqnr, #0
281001:		tst     \irqstat, #1
29		addeq   \irqnr, \irqnr, #1
30		moveq   \irqstat, \irqstat, lsr #1
31		tsteq   \irqnr, #32
32		beq     1001b
33		teq     \irqnr, #32
34		.endm
35