arch/arm/mach-prima2/include/mach/entry-macro.S

   1 /*
   2  * arch/arm/mach-prima2/include/mach/entry-macro.S
   3  *
   4  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
   5  *
   6  * Licensed under GPLv2 or later.
   7  */
   8
   9 #include <mach/hardware.h>
  10
  11 #define SIRFSOC_INT_ID 0x38
  12
  13         .macro  get_irqnr_preamble, base, tmp
  14         ldr     \base, =sirfsoc_intc_base
  15         ldr     \base, [\base]
  16         .endm
  17
  18         .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
  19         ldr \irqnr, [\base, #SIRFSOC_INT_ID]    @ Get the highest priority irq
  20         cmp \irqnr, #0x40                       @ the irq num can't be larger than 0x3f
  21         movges \irqnr, #0
  22         .endm