ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
ldr \irqstat, [\irqstat] @ get upper interrupts
mov \irqnr, #63
clz \irqstat, \irqstat
cmp \irqstat, #32
subne \irqnr, \irqnr, \irqstat
ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
ldr \irqstat, [\irqstat] @ get upper interrupts
mov \irqnr, #63
clz \irqstat, \irqstat
cmp \irqstat, #32
subne \irqnr, \irqnr, \irqstat