1/* 2 * include/asm-arm/arch-integrator/entry-macro.S 3 * 4 * Low-level IRQ helper macros for Integrator platforms 5 * 6 * This file is licensed under the terms of the GNU General Public 7 * License version 2. This program is licensed "as is" without any 8 * warranty of any kind, whether express or implied. 9 */ 10#include <asm/hardware.h> 11#include <asm/arch/irqs.h> 12 13 .macro disable_fiq 14 .endm 15 16 .macro get_irqnr_preamble, base, tmp 17 .endm 18 19 .macro arch_ret_to_user, tmp1, tmp2 20 .endm 21 22 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp 23 ldr \base, =IO_ADDRESS(INTEGRATOR_IC_BASE) 24 mov \irqnr, #IRQ_PIC_START 25 ldr \irqstat, [\base, #IRQ_STATUS] @ get masked status 26 ldr \base, =IO_ADDRESS(INTEGRATOR_HDR_BASE) 27 teq \irqstat, #0 28 ldreq \irqstat, [\base, #(INTEGRATOR_HDR_IC_OFFSET+IRQ_STATUS)] 29 moveq \irqnr, #IRQ_CIC_START 30 311001: tst \irqstat, #15 32 bne 1002f 33 add \irqnr, \irqnr, #4 34 movs \irqstat, \irqstat, lsr #4 35 bne 1001b 361002: tst \irqstat, #1 37 bne 1003f 38 add \irqnr, \irqnr, #1 39 movs \irqstat, \irqstat, lsr #1 40 bne 1002b 411003: /* EQ will be set if no irqs pending */ 42 .endm 43