| /* |
| * arch/arm/mach-loki/include/mach/entry-macro.S |
| * |
| * Low-level IRQ helper macros for Marvell Loki (88RC8480) 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 <mach/loki.h> |
| |
| .macro disable_fiq |
| .endm |
| |
| .macro arch_ret_to_user, tmp1, tmp2 |
| .endm |
| |
| .macro get_irqnr_preamble, base, tmp |
| ldr \base, =IRQ_VIRT_BASE |
| .endm |
| |
| .macro get_irqnr_and_base, irqnr, irqstat, base, tmp |
| ldr \irqstat, [\base, #IRQ_CAUSE_OFF] |
| ldr \tmp, [\base, #IRQ_MASK_OFF] |
| mov \irqnr, #0 |
| ands \irqstat, \irqstat, \tmp |
| clzne \irqnr, \irqstat |
| rsbne \irqnr, \irqnr, #31 |
| .endm |