arch/c6x/include/asm/traps.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  Port on Texas Instruments TMS320C6x architecture
   4  *
   5  *  Copyright (C) 2004, 2009, 2011 Texas Instruments Incorporated
   6  *  Author: Aurelien Jacquiot (aurelien.jacquiot@jaluna.com)
   7  */
   8 #ifndef _ASM_C6X_TRAPS_H
   9 #define _ASM_C6X_TRAPS_H
  10
  11 #define EXCEPT_TYPE_NXF   31       /* NMI */
  12 #define EXCEPT_TYPE_EXC   30       /* external exception */
  13 #define EXCEPT_TYPE_IXF   1        /* internal exception */
  14 #define EXCEPT_TYPE_SXF   0        /* software exception */
  15
  16 #define EXCEPT_CAUSE_LBX  (1 << 7) /* loop buffer exception */
  17 #define EXCEPT_CAUSE_PRX  (1 << 6) /* privilege exception */
  18 #define EXCEPT_CAUSE_RAX  (1 << 5) /* resource access exception */
  19 #define EXCEPT_CAUSE_RCX  (1 << 4) /* resource conflict exception */
  20 #define EXCEPT_CAUSE_OPX  (1 << 3) /* opcode exception */
  21 #define EXCEPT_CAUSE_EPX  (1 << 2) /* execute packet exception */
  22 #define EXCEPT_CAUSE_FPX  (1 << 1) /* fetch packet exception */
  23 #define EXCEPT_CAUSE_IFX  (1 << 0) /* instruction fetch exception */
  24
  25 struct exception_info {
  26         char *kernel_str;
  27         int  signo;
  28         int  code;
  29 };
  30
  31 extern int (*c6x_nmi_handler)(struct pt_regs *regs);
  32
  33 #endif /* _ASM_C6X_TRAPS_H */