arch/arm26/mm/extable.c

   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
   9 int 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