traps.h

UBOOT 源码

/*
 * U-boot - traps.h
 *
 * Copyright (c) 2005 blackfin.uclinux.org
 *
 * This file is based on
 * linux/include/asm/traps.h
 * Copyright (C) 1993        Hamish Macdonald
 * Lineo, Inc    Jul 2001    Tony Kou
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
  */

#ifndef _BLACKFIN_TRAPS_H
#define _BLACKFIN_TRAPS_H

#ifndef __ASSEMBLY__
typedef void (*e_vector) (void);
extern e_vector vectors[];
#endif

#define VEC_SYS		(0)
#define VEC_EXCPT01	(1)
#define VEC_EXCPT02	(2)
#define VEC_EXCPT03	(3)
#define VEC_EXCPT04	(4)
#define VEC_EXCPT05	(5)
#define VEC_EXCPT06	(6)
#define VEC_EXCPT07	(7)
#define VEC_EXCPT08	(8)
#define VEC_EXCPT09	(9)
#define VEC_EXCPT10	(10)
#define VEC_EXCPT11	(11)
#define VEC_EXCPT12	(12)
#define VEC_EXCPT13	(13)
#define VEC_EXCPT14	(14)
#define VEC_EXCPT15	(15)
#define VEC_STEP	(16)
#define VEC_OVFLOW	(17)
#define VEC_UNDEF_I	(33)
#define VEC_ILGAL_I	(34)
#define VEC_CPLB_VL	(35)
#define VEC_MISALI_D	(36)
#define VEC_UNCOV	(37)
#define VEC_CPLB_M	(38)
#define VEC_CPLB_MHIT	(39)
#define VEC_WATCH	(40)
#define VEC_ISTRU_VL	(41)
#define VEC_MISALI_I	(42)
#define VEC_CPLB_I_VL	(43)
#define VEC_CPLB_I_M	(44)
#define VEC_CPLB_I_MHIT	(45)
#define VEC_ILL_RES	(46)	/* including unvalid supervisor mode insn */

#define VECOFF(vec)	((vec)<<2)

#ifndef __ASSEMBLY__

/* Status register bits */
#define PS_T  (0x8000)
#define PS_S  (0x0c00)		/*  Supervisor mode = 0b01      */
#define PS_D  (0x0c00)		/*  Debug mode = 0b1x           */
#define PS_M  (0x1000)
#define PS_C  (0x0001)

#endif
#endif