1/* 2 * arch/arm/mach-netx/include/mach/entry-macro.S 3 * 4 * Low-level IRQ helper macros for Hilscher netX based platforms 5 * 6 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 10 * as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21#include <mach/hardware.h> 22 23 .macro disable_fiq 24 .endm 25 26 .macro get_irqnr_preamble, base, tmp 27 ldr \base, =io_p2v(0x001ff000) 28 .endm 29 30 .macro arch_ret_to_user, tmp1, tmp2 31 .endm 32 33 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp 34 ldr \irqstat, [\base, #0] 35 clz \irqnr, \irqstat 36 rsb \irqnr, \irqnr, #31 37 cmp \irqstat, #0 38 .endm 39