arch/arm/mach-msm/include/mach/entry-macro.S

   1 /* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 and
   5  * only version 2 as published by the Free Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15  * 02110-1301, USA.
  16  *
  17  */
  18
  19 #if !defined(CONFIG_ARM_GIC)
  20 #include <mach/msm_iomap.h>
  21
  22         .macro  get_irqnr_preamble, base, tmp
  23         @ enable imprecise aborts
  24         cpsie   a
  25         mov     \base, #MSM_VIC_BASE
  26         .endm
  27
  28         .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
  29         @ 0xD0 has irq# or old irq# if the irq has been handled
  30         @ 0xD4 has irq# or -1 if none pending *but* if you just
  31         @ read 0xD4 you never get the first irq for some reason
  32         ldr     \irqnr, [\base, #0xD0]
  33         ldr     \irqnr, [\base, #0xD4]
  34         cmp     \irqnr, #0xffffffff
  35         .endm
  36 #endif