arch/c6x/include/asm/traps.h

   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
  28 struct exception_info {
  29         char *kernel_str;
  30         int  signo;
  31         int  code;
  32 };
  33
  34 extern int (*c6x_nmi_handler)(struct pt_regs *regs);
  35
  36 #endif /* _ASM_C6X_TRAPS_H */