29 lines
666 B
ArmAsm
29 lines
666 B
ArmAsm
|
/*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
* License. See the file "COPYING" in the main directory of this archive
|
||
|
|
* for more details.
|
||
|
|
*
|
||
|
|
* Copyright (C) 1999 Ralf Baechle
|
||
|
|
* Copyright (C) 1999 Silicon Graphics, Inc.
|
||
|
|
*/
|
||
|
|
#include <asm/mipsregs.h>
|
||
|
|
#include <asm/page.h>
|
||
|
|
#include <asm/regdef.h>
|
||
|
|
#include <asm/stackframe.h>
|
||
|
|
|
||
|
|
.macro tlb_do_page_fault, write
|
||
|
|
NESTED(tlb_do_page_fault_\write, PT_SIZE, sp)
|
||
|
|
SAVE_ALL
|
||
|
|
MFC0 a2, CP0_BADVADDR
|
||
|
|
KMODE
|
||
|
|
move a0, sp
|
||
|
|
REG_S a2, PT_BVADDR(sp)
|
||
|
|
li a1, \write
|
||
|
|
PTR_LA ra, ret_from_exception
|
||
|
|
j do_page_fault
|
||
|
|
END(tlb_do_page_fault_\write)
|
||
|
|
.endm
|
||
|
|
|
||
|
|
tlb_do_page_fault 0
|
||
|
|
tlb_do_page_fault 1
|