2 * include/asm-arm/arch-netx/entry-macro.S
4 * Low-level IRQ helper macros for Hilscher netX based platforms
6 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
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.
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.
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
21 #include <asm/hardware.h>
26 .macro get_irqnr_preamble, base, tmp
29 .macro arch_ret_to_user, tmp1, tmp2
32 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
33 mov \base, #io_p2v(0x00100000)
34 add \base, \base, #0x000ff000
36 ldr \irqstat, [\base, #0]
38 rsb \irqnr, \irqnr, #31