arch/sh/kernel/cpu/sh3/ex.S

   1 /*
   2  *  arch/sh/kernel/cpu/sh3/ex.S
   3  *
   4  *  The SH-3 and SH-4 exception vector table.
   5
   6  *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
   7  *  Copyright (C) 2003 - 2008  Paul Mundt
   8  *
   9  * This file is subject to the terms and conditions of the GNU General Public
  10  * License.  See the file "COPYING" in the main directory of this archive
  11  * for more details.
  12  */
  13 #include <linux/linkage.h>
  14
  15 #if !defined(CONFIG_MMU)
  16 #define tlb_miss_load                   exception_error
  17 #define tlb_miss_store                  exception_error
  18 #define initial_page_write              exception_error
  19 #define tlb_protection_violation_load   exception_error
  20 #define tlb_protection_violation_store  exception_error
  21 #define address_error_load              exception_error
  22 #define address_error_store             exception_error
  23 #endif
  24
  25 #if !defined(CONFIG_SH_FPU)
  26 #define fpu_error_trap_handler          exception_error
  27 #endif
  28
  29 #if !defined(CONFIG_KGDB)
  30 #define kgdb_handle_exception           exception_error
  31 #endif
  32
  33         .align 2
  34         .data
  35
  36 ENTRY(exception_handling_table)
  37         .long   exception_error         /* 000 */
  38         .long   exception_error
  39         .long   tlb_miss_load           /* 040 */
  40         .long   tlb_miss_store
  41         .long   initial_page_write
  42         .long   tlb_protection_violation_load
  43         .long   tlb_protection_violation_store
  44         .long   address_error_load
  45         .long   address_error_store     /* 100 */
  46         .long   fpu_error_trap_handler  /* 120 */
  47         .long   exception_error         /* 140 */
  48         .long   system_call     ! Unconditional Trap     /* 160 */
  49         .long   exception_error ! reserved_instruction (filled by trap_init) /* 180 */
  50         .long   exception_error ! illegal_slot_instruction (filled by trap_init) /*1A0*/
  51 ENTRY(nmi_slot)
  52         .long   kgdb_handle_exception   /* 1C0 */       ! Allow trap to debugger
  53 ENTRY(user_break_point_trap)
  54         .long   break_point_trap        /* 1E0 */
  55
  56         /*
  57          * Pad the remainder of the table out, exceptions residing in far
  58          * away offsets can be manually inserted in to their appropriate
  59          * location via set_exception_table_{evt,vec}().
  60          */
  61         .balign 4096,0,4096