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Viewing changes to arch/arm/mach-omap1/include/mach/entry-macro.S

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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arch/arm/mach-omap1/include/mach/entry-macro.S
 
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/*
 
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 * arch/arm/mach-omap1/include/mach/entry-macro.S
 
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 *
 
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 * Low-level IRQ helper macros for OMAP-based platforms
 
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 *
 
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 * Copyright (C) 2009 Texas Instruments
 
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 *
 
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 * This file is licensed under  the terms of the GNU General Public
 
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 * License version 2. This program is licensed "as is" without any
 
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 * warranty of any kind, whether express or implied.
 
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 */
 
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#include <mach/hardware.h>
 
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#include <mach/io.h>
 
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#include <mach/irqs.h>
 
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#include <asm/hardware/gic.h>
 
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                .macro  disable_fiq
 
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                .endm
 
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                .macro  get_irqnr_preamble, base, tmp
 
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                .endm
 
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                .macro  arch_ret_to_user, tmp1, tmp2
 
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                .endm
 
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                .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
 
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                ldr     \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
 
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                ldr     \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
 
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                ldr     \tmp, [\base, #IRQ_MIR_REG_OFFSET]
 
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                mov     \irqstat, #0xffffffff
 
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                bic     \tmp, \irqstat, \tmp
 
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                tst     \irqnr, \tmp
 
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                beq     1510f
 
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                ldr     \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
 
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                ldr     \tmp, =omap_irq_flags   @ irq flags address
 
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                ldr     \tmp, [\tmp, #0]        @ irq flags value
 
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                cmp     \irqnr, #0
 
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                ldreq   \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
 
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                cmpeq   \irqnr, \tmp
 
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                ldreq   \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
 
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                ldreq   \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
 
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                addeqs  \irqnr, \irqnr, #32
 
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1510:
 
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                .endm
 
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