linux/arch/c6x/include/asm/traps.h
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   1/*
   2 *  Port on Texas Instruments TMS320C6x architecture
   3 *
   4 *  Copyright (C) 2004, 2009, 2011 Texas Instruments Incorporated
   5 *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License version 2 as
   9 *  published by the Free Software Foundation.
  10 */
  11#ifndef _ASM_C6X_TRAPS_H
  12#define _ASM_C6X_TRAPS_H
  13
  14#define EXCEPT_TYPE_NXF   31       /* NMI */
  15#define EXCEPT_TYPE_EXC   30       /* external exception */
  16#define EXCEPT_TYPE_IXF   1        /* internal exception */
  17#define EXCEPT_TYPE_SXF   0        /* software exception */
  18
  19#define EXCEPT_CAUSE_LBX  (1 << 7) /* loop buffer exception */
  20#define EXCEPT_CAUSE_PRX  (1 << 6) /* privilege exception */
  21#define EXCEPT_CAUSE_RAX  (1 << 5) /* resource access exception */
  22#define EXCEPT_CAUSE_RCX  (1 << 4) /* resource conflict exception */
  23#define EXCEPT_CAUSE_OPX  (1 << 3) /* opcode exception */
  24#define EXCEPT_CAUSE_EPX  (1 << 2) /* execute packet exception */
  25#define EXCEPT_CAUSE_FPX  (1 << 1) /* fetch packet exception */
  26#define EXCEPT_CAUSE_IFX  (1 << 0) /* instruction fetch exception */
  27
  28struct exception_info {
  29        char *kernel_str;
  30        int  signo;
  31        int  code;
  32};
  33
  34extern int (*c6x_nmi_handler)(struct pt_regs *regs);
  35
  36#endif /* _ASM_C6X_TRAPS_H */
  37