include/asm-arm/arch-ixp23xx/entry-macro.S

   1 /*
   2  * include/asm-arm/arch-ixp23xx/entry-macro.S
   3  */
   4
   5                 .macro  disable_fiq
   6                 .endm
   7
   8                 .macro  get_irqnr_preamble, base, tmp
   9                 .endm
  10
  11                 .macro  arch_ret_to_user, tmp1, tmp2
  12                 .endm
  13
  14                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
  15                 ldr     \irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET)
  16                 ldr     \irqnr, [\irqnr]        @ get interrupt number
  17                 cmp     \irqnr, #0x0            @ spurious interrupt ?
  18                 movne   \irqnr, \irqnr, lsr #2  @ skip unwanted low order bits
  19                 subne   \irqnr, \irqnr, #1      @ convert to 0 based
  20
  21 #if 0
  22                 cmp     \irqnr, #IRQ_IXP23XX_PCI_INT_RPH
  23                 bne     1001f
  24                 mov     \irqnr, #IRQ_IXP23XX_INTA
  25
  26                 ldr     \irqnr, =0xf5000030
  27
  28                 mov     \tmp, #(1<<26)
  29                 tst     \irqnr, \tmp
  30                 movne   \irqnr, #IRQ_IXP23XX_INTB
  31
  32                 mov     \tmp, #(1<<27)
  33                 tst     \irqnr, \tmp
  34                 movne   \irqnr, #IRQ_IXP23XX_INTA
  35 1001:
  36 #endif
  37                 .endm