| Sascha Hauer | bb6d8c8 | 2006-06-19 15:27:53 +0100 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-arm/arch-netx/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 | */ |
| Russell King | be50972 | 2008-08-04 10:41:28 +0100 | [diff] [blame] | 21 | #include <asm/arch/hardware.h> |
| Sascha Hauer | bb6d8c8 | 2006-06-19 15:27:53 +0100 | [diff] [blame] | 22 | |
| 23 | .macro disable_fiq |
| 24 | .endm |
| 25 | |
| Dan Williams | f80dff9 | 2007-02-16 22:16:32 +0100 | [diff] [blame] | 26 | .macro get_irqnr_preamble, base, tmp |
| 27 | .endm |
| 28 | |
| 29 | .macro arch_ret_to_user, tmp1, tmp2 |
| 30 | .endm |
| 31 | |
| Sascha Hauer | bb6d8c8 | 2006-06-19 15:27:53 +0100 | [diff] [blame] | 32 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| 33 | mov \base, #io_p2v(0x00100000) |
| 34 | add \base, \base, #0x000ff000 |
| 35 | |
| 36 | ldr \irqstat, [\base, #0] |
| 37 | clz \irqnr, \irqstat |
| 38 | rsb \irqnr, \irqnr, #31 |
| 39 | cmp \irqstat, #0 |
| 40 | .endm |
| 41 | |