Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/arch/arm26/mm/extable.c
3 */
4
5#include <linux/config.h>
6#include <linux/module.h>
7#include <asm/uaccess.h>
8
9int fixup_exception(struct pt_regs *regs)
10{
11 const struct exception_table_entry *fixup;
12
13 fixup = search_exception_tables(instruction_pointer(regs));
14
15 /*
16 * The kernel runs in SVC mode - make sure we keep running in SVC mode
17 * by frobbing the PSR appropriately (PSR and PC are in the same reg.
18 * on ARM26)
19 */
20 if (fixup)
21 regs->ARM_pc = fixup->fixup | PSR_I_BIT | MODE_SVC26;
22
23 return fixup != NULL;
24}
25