xref: /openbmc/linux/arch/mips/mm/tlbex-fault.S (revision ca55b2fe)
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1999 Ralf Baechle
7 * Copyright (C) 1999 Silicon Graphics, Inc.
8 */
9#include <asm/mipsregs.h>
10#include <asm/regdef.h>
11#include <asm/stackframe.h>
12
13	.macro tlb_do_page_fault, write
14	NESTED(tlb_do_page_fault_\write, PT_SIZE, sp)
15	SAVE_ALL
16	MFC0	a2, CP0_BADVADDR
17	KMODE
18	move	a0, sp
19	REG_S	a2, PT_BVADDR(sp)
20	li	a1, \write
21	PTR_LA	ra, ret_from_exception
22	j	do_page_fault
23	END(tlb_do_page_fault_\write)
24	.endm
25
26	tlb_do_page_fault 0
27	tlb_do_page_fault 1
28