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Text File  |  2008-12-24  |  797 b   |  38 lines
  1. /*
  2.  * arch/arm/mach-ixp23xx/include/mach/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
  38.