| Palmer Dabbelt | 2129a23 | 2017-07-10 18:03:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 Sunplus Core Technology Co., Ltd. |
| 3 | * Lennox Wu <lennox.wu@sunplusct.com> |
| 4 | * Chen Liqin <liqin.chen@sunplusct.com> |
| 5 | * Copyright (C) 2013 Regents of the University of California |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, see the file COPYING, or write |
| 19 | * to the Free Software Foundation, Inc., |
| 20 | */ |
| 21 | |
| 22 | |
| 23 | #include <linux/extable.h> |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/uaccess.h> |
| 26 | |
| 27 | int fixup_exception(struct pt_regs *regs) |
| 28 | { |
| 29 | const struct exception_table_entry *fixup; |
| 30 | |
| 31 | fixup = search_exception_tables(regs->sepc); |
| 32 | if (fixup) { |
| 33 | regs->sepc = fixup->fixup; |
| 34 | return 1; |
| 35 | } |
| 36 | return 0; |
| 37 | } |