From 56372b0b2f533c9a25bd40a0577405f6ddb7cff2 Mon Sep 17 00:00:00 2001 From: GuanXuetao Date: Sat, 15 Jan 2011 18:17:56 +0800 Subject: unicore32 core architecture: mm related: fault handling This patch implements fault handling of memory management. Signed-off-by: Guan Xuetao Reviewed-by: Arnd Bergmann --- arch/unicore32/mm/extable.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/unicore32/mm/extable.c (limited to 'arch/unicore32/mm/extable.c') diff --git a/arch/unicore32/mm/extable.c b/arch/unicore32/mm/extable.c new file mode 100644 index 000000000000..6564180eb285 --- /dev/null +++ b/arch/unicore32/mm/extable.c @@ -0,0 +1,24 @@ +/* + * linux/arch/unicore32/mm/extable.c + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include +#include + +int fixup_exception(struct pt_regs *regs) +{ + const struct exception_table_entry *fixup; + + fixup = search_exception_tables(instruction_pointer(regs)); + if (fixup) + regs->UCreg_pc = fixup->fixup; + + return fixup != NULL; +} -- cgit v1.2.2