satip-axe/kernel/arch/mips/mm/tlbex-fault.S

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/*
* 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