1/* 2 * include/asm-arm/arch-l7200/entry-macro.S 3 * 4 * Low-level IRQ helper macros for L7200-based 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 12 .equ irq_base_addr, IO_BASE_2 13 14 .macro disable_fiq 15 .endm 16 17 .macro get_irqnr_preamble, base, tmp 18 .endm 19 20 .macro arch_ret_to_user, tmp1, tmp2 21 .endm 22 23 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp 24 mov \irqstat, #irq_base_addr @ Virt addr IRQ regs 25 add \irqstat, \irqstat, #0x00001000 @ Status reg 26 ldr \irqstat, [\irqstat, #0] @ get interrupts 27 mov \irqnr, #0 281001: tst \irqstat, #1 29 addeq \irqnr, \irqnr, #1 30 moveq \irqstat, \irqstat, lsr #1 31 tsteq \irqnr, #32 32 beq 1001b 33 teq \irqnr, #32 34 .endm 35