xref: /openbmc/linux/arch/arm/mm/abort-ev7.S (revision 63705da3)
1/* SPDX-License-Identifier: GPL-2.0 */
2#include <linux/linkage.h>
3#include <asm/assembler.h>
4/*
5 * Function: v7_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 * Purpose : obtain information about current aborted instruction.
14 */
15	.align	5
16ENTRY(v7_early_abort)
17	mrc	p15, 0, r1, c5, c0, 0		@ get FSR
18	mrc	p15, 0, r0, c6, c0, 0		@ get FAR
19	uaccess_disable ip			@ disable userspace access
20	b	do_DataAbort
21ENDPROC(v7_early_abort)
22