Root/arch/mips/mm/tlbex-fault.S

Source at commit 694c7fbe86b8a9c91392e505afcb9fcfc91deccc created 12 years 8 months ago.
By Maarten ter Huurne, MIPS: JZ4740: Add cpufreq support
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

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