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/* * include/asm-arm/arch-sa1100/entry-macro.S * * Low-level IRQ helper macros for SA1100-based platforms * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ .macro disable_fiq .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp mov r4, #0xfa000000 @ ICIP = 0xfa050000 add r4, r4, #0x00050000 ldr \irqstat, [r4] @ get irqs ldr \irqnr, [r4, #4] @ ICMR = 0xfa050004 ands \irqstat, \irqstat, \irqnr mov \irqnr, #0 beq 1001f tst \irqstat, #0xff moveq \irqstat, \irqstat, lsr #8 addeq \irqnr, \irqnr, #8 tsteq \irqstat, #0xff moveq \irqstat, \irqstat, lsr #8 addeq \irqnr, \irqnr, #8 tsteq \irqstat, #0xff moveq \irqstat, \irqstat, lsr #8 addeq \irqnr, \irqnr, #8 tst \irqstat, #0x0f moveq \irqstat, \irqstat, lsr #4 addeq \irqnr, \irqnr, #4 tst \irqstat, #0x03 moveq \irqstat, \irqstat, lsr #2 addeq \irqnr, \irqnr, #2 tst \irqstat, #0x01 addeqs \irqnr, \irqnr, #1 1001: .endm |