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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/mips/mm/tlbex-fault.S
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/*

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 * This file is subject to the terms and conditions of the GNU General Public

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 * License.  See the file "COPYING" in the main directory of this archive

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 * for more details.

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 *

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 * Copyright (C) 1999 Ralf Baechle

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 * Copyright (C) 1999 Silicon Graphics, Inc.

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 */

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#include <asm/mipsregs.h>

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#include <asm/page.h>

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#include <asm/regdef.h>

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#include <asm/stackframe.h>

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	.macro tlb_do_page_fault, write

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	NESTED(tlb_do_page_fault_\write, PT_SIZE, sp)

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	SAVE_ALL

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	MFC0	a2, CP0_BADVADDR

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	KMODE

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	move	a0, sp

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	REG_S	a2, PT_BVADDR(sp)

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	li	a1, \write

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	PTR_LA	ra, ret_from_exception

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	j	do_page_fault

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	END(tlb_do_page_fault_\write)

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	.endm

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	tlb_do_page_fault 0

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	tlb_do_page_fault 1

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