/* * Low-level IRQ helper macros for Gemini platform. * * Copyright (C) 2001-2006 Storlink, Corp. * Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> * * 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/hardware.h> #define IRQ_STATUS 0x14 .macro get_irqnr_preamble, base, tmp .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp ldr \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS) ldr \irqnr, [\irqstat] cmp \irqnr, #0 beq 2313f mov \tmp, \irqnr mov \irqnr, #0 2312: tst \tmp, #1 bne 2313f add \irqnr, \irqnr, #1 mov \tmp, \tmp, lsr #1 cmp \irqnr, #31 bcc 2312b 2313: .endm