/* * include/asm-arm/arch-pxa/entry-macro.S * * Low-level IRQ helper macros for PXA-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. */ #include #include .macro disable_fiq .endm .macro get_irqnr_preamble, base, tmp .endm .macro arch_ret_to_user, tmp1, tmp2 .endm .macro get_irqnr_and_base, irqnr, irqstat, base, tmp mrc p15, 0, \tmp, c0, c0, 0 @ CPUID mov \tmp, \tmp, lsr #13 and \tmp, \tmp, #0x7 @ Core G cmp \tmp, #1 bhi 1004f mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000 add \base, \base, #0x00d00000 ldr \irqstat, [\base, #0] @ ICIP ldr \irqnr, [\base, #4] @ ICMR b 1002f 1004: mrc p6, 0, \irqstat, c6, c0, 0 @ ICIP2 mrc p6, 0, \irqnr, c7, c0, 0 @ ICMR2 ands \irqnr, \irqstat, \irqnr beq 1003f rsb \irqstat, \irqnr, #0 and \irqstat, \irqstat, \irqnr clz \irqnr, \irqstat rsb \irqnr, \irqnr, #31 add \irqnr, \irqnr, #32 b 1001f 1003: mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR 1002: ands \irqnr, \irqstat, \irqnr beq 1001f rsb \irqstat, \irqnr, #0 and \irqstat, \irqstat, \irqnr clz \irqnr, \irqstat rsb \irqnr, \irqnr, #31 1001: .endm