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/* * arch/arm/mach-ks8695/include/mach/entry-macro.S * * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk> * Copyright (C) 2006 Simtec Electronics * * Low-level IRQ helper macros for KS8695 * * 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> #include <mach/regs-irq.h> .macro get_irqnr_preamble, base, tmp ldr \base, =KS8695_IRQ_VA @ Base address of interrupt controller .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp ldr \irqstat, [\base, #KS8695_INTMS] @ Mask Status register teq \irqstat, #0 beq 1001f mov \irqnr, #0 tst \irqstat, #0xff moveq \irqstat, \irqstat, lsr #8 addeq \irqnr, \irqnr, #8 tsteq \irqstat, #0xff moveq \irqstat, \irqstat, lsr #8 addeq \irqnr, \irqnr, #8 tsteq \irqstat, #0xff moveq \irqstat, \irqstat, lsr #8 addeq \irqnr, \irqnr, #8 tst \irqstat, #0x0f moveq \irqstat, \irqstat, lsr #4 addeq \irqnr, \irqnr, #4 tst \irqstat, #0x03 moveq \irqstat, \irqstat, lsr #2 addeq \irqnr, \irqnr, #2 tst \irqstat, #0x01 addeqs \irqnr, \irqnr, #1 1001: .endm