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