1/* SPDX-License-Identifier: GPL-2.0 */
2#include <linux/linkage.h>
3#include <asm/assembler.h>
4/*
5 * Function: nommu_early_abort
6 *
7 * Params : r2 = pt_regs
8 * : r4 = aborted context pc
9 * : r5 = aborted context psr
10 *
11 * Returns : r4 - r11, r13 preserved
12 *
13 * Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
14 * Just fill zero into the registers.
15 */
16 .align 5
17ENTRY(nommu_early_abort)
18 mov r0, #0 @ clear r0, r1 (no FSR/FAR)
19 mov r1, #0
20 b do_DataAbort
21ENDPROC(nommu_early_abort)
22

source code of linux/arch/arm/mm/abort-nommu.S