Update of /cvsroot/linux-mips/linux/arch/mips64/kernel
In directory usw-pr-cvs1:/tmp/cvs-serv7225
Added Files:
r4k_tlb_glue.S
Log Message:
Return from exceptions calling do_page_fault via ret_from_exception.
--- NEW FILE: r4k_tlb_glue.S ---
/*
* 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.
*/
#define __ASSEMBLY__
#include <linux/init.h>
#include <asm/mipsregs.h>
#include <asm/regdef.h>
#include <asm/stackframe.h>
.macro __BUILD_cli
CLI
.endm
.macro __BUILD_sti
STI
.endm
.macro tlb_handler name interruptible writebit
NESTED(__\name, PT_SIZE, sp)
SAVE_ALL
#if DEBUG_MIPS64
jal dodebug2
ld $4, PT_R4(sp)
ld $5, PT_R5(sp)
ld $6, PT_R6(sp)
ld $7, PT_R7(sp)
ld $2, PT_R2(sp)
#endif
dmfc0 a2, CP0_BADVADDR
__BUILD_\interruptible
li a1, \writebit
sd a2, PT_BVADDR(sp)
move a0, sp
jal do_page_fault
j ret_from_exception
END(__\name)
.endm
tlb_handler xtlb_mod sti 1
tlb_handler xtlb_tlbl sti 0
tlb_handler xtlb_tlbs sti 1
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