From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- arch/riscv/mm/extable.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 arch/riscv/mm/extable.c (limited to 'arch/riscv/mm/extable.c') diff --git a/arch/riscv/mm/extable.c b/arch/riscv/mm/extable.c new file mode 100644 index 000000000..11bb94171 --- /dev/null +++ b/arch/riscv/mm/extable.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2009 Sunplus Core Technology Co., Ltd. + * Lennox Wu + * Chen Liqin + * Copyright (C) 2013 Regents of the University of California + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc., + */ + + +#include +#include +#include + +int fixup_exception(struct pt_regs *regs) +{ + const struct exception_table_entry *fixup; + + fixup = search_exception_tables(regs->sepc); + if (fixup) { + regs->sepc = fixup->fixup; + return 1; + } + return 0; +} -- cgit v1.2.3