diff options
Diffstat (limited to 'arch/arm26/mm/extable.c')
| -rw-r--r-- | arch/arm26/mm/extable.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm26/mm/extable.c b/arch/arm26/mm/extable.c new file mode 100644 index 0000000..2d9f5b5 --- /dev/null +++ b/arch/arm26/mm/extable.c @@ -0,0 +1,25 @@ +/* + * linux/arch/arm26/mm/extable.c + */ + +#include <linux/config.h> +#include <linux/module.h> +#include <asm/uaccess.h> + +int fixup_exception(struct pt_regs *regs) +{ + const struct exception_table_entry *fixup; + + fixup = search_exception_tables(instruction_pointer(regs)); + + /* + * The kernel runs in SVC mode - make sure we keep running in SVC mode + * by frobbing the PSR appropriately (PSR and PC are in the same reg. + * on ARM26) + */ + if (fixup) + regs->ARM_pc = fixup->fixup | PSR_I_BIT | MODE_SVC26; + + return fixup != NULL; +} + |