blob: 38e1958d9538ed778ea43f595a545c6893ef1fd1 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/arch/arm26/mm/extable.c
3 */
4
Linus Torvalds1da177e2005-04-16 15:20:36 -07005#include <linux/module.h>
6#include <asm/uaccess.h>
7
8int fixup_exception(struct pt_regs *regs)
9{
10 const struct exception_table_entry *fixup;
11
12 fixup = search_exception_tables(instruction_pointer(regs));
13
14 /*
15 * The kernel runs in SVC mode - make sure we keep running in SVC mode
16 * by frobbing the PSR appropriately (PSR and PC are in the same reg.
17 * on ARM26)
18 */
19 if (fixup)
20 regs->ARM_pc = fixup->fixup | PSR_I_BIT | MODE_SVC26;
21
22 return fixup != NULL;
23}
24