| Brian Swetland | 3042102 | 2007-11-26 04:11:43 -0800 | [diff] [blame] | 1 | /* include/asm-arm/arch-msm7200/entry-macro.S |
| 2 | * |
| 3 | * Copyright (C) 2007 Google, Inc. |
| 4 | * Author: Brian Swetland <swetland@google.com> |
| 5 | * |
| 6 | * This software is licensed under the terms of the GNU General Public |
| 7 | * License version 2, as published by the Free Software Foundation, and |
| 8 | * may be copied, distributed, and modified under those terms. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | */ |
| 16 | |
| 17 | #include <asm/arch/msm_iomap.h> |
| 18 | |
| 19 | .macro disable_fiq |
| 20 | .endm |
| 21 | |
| 22 | .macro get_irqnr_preamble, base, tmp |
| 23 | @ enable imprecise aborts |
| 24 | cpsie a |
| 25 | mov \base, #MSM_VIC_BASE |
| 26 | .endm |
| 27 | |
| 28 | .macro arch_ret_to_user, tmp1, tmp2 |
| 29 | .endm |
| 30 | |
| 31 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| 32 | @ 0xD0 has irq# or old irq# if the irq has been handled |
| 33 | @ 0xD4 has irq# or -1 if none pending *but* if you just |
| 34 | @ read 0xD4 you never get the first irq for some reason |
| 35 | ldr \irqnr, [\base, #0xD0] |
| 36 | ldr \irqnr, [\base, #0xD4] |
| 37 | cmp \irqnr, #0xffffffff |
| 38 | .endm |