[BACK]Return to entry-macro.S CVS log [TXT][DIR] Up to [Development] / linux-2.6-xfs / include / asm-arm / arch-l7200

File: [Development] / linux-2.6-xfs / include / asm-arm / arch-l7200 / Attic / entry-macro.S (download)

Revision 1.1, Fri Mar 4 14:41:21 2005 UTC (12 years, 7 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN

Merge up to 2.6.11
Merge of 2.6.x-xfs-melb:linux:21721a by kenmcd.

/*
 * include/asm-arm/arch-l7200/entry-macro.S
 *
 * Low-level IRQ helper macros for L7200-based platforms
 *
 * 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 <asm/hardware.h>

		.equ	irq_base_addr,	IO_BASE_2

		.macro  disable_fiq
		.endm

		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
		mov     \irqstat, #irq_base_addr		@ Virt addr IRQ regs
		add	\irqstat, \irqstat, #0x00001000		@ Status reg
		ldr     \irqstat, [\irqstat, #0]		@ get interrupts
		mov     \irqnr, #0
1001:		tst     \irqstat, #1
		addeq   \irqnr, \irqnr, #1
		moveq   \irqstat, \irqstat, lsr #1
		tsteq   \irqnr, #32
		beq     1001b
		teq     \irqnr, #32
		.endm