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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
/*
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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/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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.cfi_signal_frame
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SAVE_ALL docfi=1
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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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jal do_page_fault
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j ret_from_exception
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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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