mirror of
https://github.com/torvalds/linux.git
synced 2024-11-10 22:21:40 +00:00
866b6a89c6
This will allow kdump dumps to work correclty with MIPS and future DWARF unwinding of the stack to give accurate tracebacks. Signed-off-by: Corey Minyard <cminyard@mvista.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16990/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
29 lines
664 B
ArmAsm
29 lines
664 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/regdef.h>
|
|
#include <asm/stackframe.h>
|
|
|
|
.macro tlb_do_page_fault, write
|
|
NESTED(tlb_do_page_fault_\write, PT_SIZE, sp)
|
|
.cfi_signal_frame
|
|
SAVE_ALL docfi=1
|
|
MFC0 a2, CP0_BADVADDR
|
|
KMODE
|
|
move a0, sp
|
|
REG_S a2, PT_BVADDR(sp)
|
|
li a1, \write
|
|
jal do_page_fault
|
|
j ret_from_exception
|
|
END(tlb_do_page_fault_\write)
|
|
.endm
|
|
|
|
tlb_do_page_fault 0
|
|
tlb_do_page_fault 1
|