arch/h8300/include/asm/traps.h

   1 /*
   2  *  linux/include/asm-h8300/traps.h
   3  *
   4  *  Copyright (C) 2003 Yoshinori Sato <ysato@users.sourceforge.jp>
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file COPYING in the main directory of this archive
   8  * for more details.
   9  */
  10
  11 #ifndef _H8300_TRAPS_H
  12 #define _H8300_TRAPS_H
  13
  14 extern void _system_call(void);
  15 extern void _interrupt_entry(void);
  16 extern void _trace_break(void);
  17 extern void _nmi(void);
  18 extern void _interrupt_entry(void);
  19
  20 extern unsigned long *_interrupt_redirect_table;
  21
  22 #define JMP_OP 0x5a000000
  23 #define JSR_OP 0x5e000000
  24 #define VECTOR(address) ((JMP_OP)|((unsigned long)address))
  25 #define REDIRECT(address) ((JSR_OP)|((unsigned long)address))
  26 #define CPU_VECTOR ((unsigned long *)0x000000)
  27 #define ADDR_MASK (0xffffff)
  28
  29 #define TRACE_VEC 5
  30
  31 #define TRAP0_VEC 8
  32 #define TRAP1_VEC 9
  33 #define TRAP2_VEC 10
  34 #define TRAP3_VEC 11
  35
  36 extern char _start[], _etext[];
  37 #define check_kernel_text(addr) \
  38         ((addr >= (unsigned long)(_start)) && \
  39          (addr <  (unsigned long)(_etext)) && !(addr & 1))
  40
  41 #endif /* _H8300_TRAPS_H */