include/asm-blackfin/traps.h

   1 /*
   2  *  linux/include/asm/traps.h
   3  *
   4  *  Copyright (C) 1993        Hamish Macdonald
   5  *
   6  *  Lineo, Inc    Jul 2001    Tony Kou
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file COPYING in the main directory of this archive
  10  * for more details.
  11  */
  12
  13 #ifndef _BFIN_TRAPS_H
  14 #define _BFIN_TRAPS_H
  15
  16 #define VEC_SYS         (0)
  17 #define VEC_EXCPT01     (1)
  18 #define VEC_EXCPT02     (2)
  19 #define VEC_EXCPT03     (3)
  20 #define VEC_EXCPT04     (4)
  21 #define VEC_EXCPT05     (5)
  22 #define VEC_EXCPT06     (6)
  23 #define VEC_EXCPT07     (7)
  24 #define VEC_EXCPT08     (8)
  25 #define VEC_EXCPT09     (9)
  26 #define VEC_EXCPT10     (10)
  27 #define VEC_EXCPT11     (11)
  28 #define VEC_EXCPT12     (12)
  29 #define VEC_EXCPT13     (13)
  30 #define VEC_EXCPT14     (14)
  31 #define VEC_EXCPT15     (15)
  32 #define VEC_STEP        (16)
  33 #define VEC_OVFLOW      (17)
  34 #define VEC_UNDEF_I     (33)
  35 #define VEC_ILGAL_I     (34)
  36 #define VEC_CPLB_VL     (35)
  37 #define VEC_MISALI_D    (36)
  38 #define VEC_UNCOV       (37)
  39 #define VEC_CPLB_M      (38)
  40 #define VEC_CPLB_MHIT   (39)
  41 #define VEC_WATCH       (40)
  42 #define VEC_ISTRU_VL    (41)    /*ADSP-BF535 only (MH) */
  43 #define VEC_MISALI_I    (42)
  44 #define VEC_CPLB_I_VL   (43)
  45 #define VEC_CPLB_I_M    (44)
  46 #define VEC_CPLB_I_MHIT (45)
  47 #define VEC_ILL_RES     (46)    /* including unvalid supervisor mode insn */
  48
  49 #ifndef __ASSEMBLY__
  50
  51 #define HWC_x2 "System MMR Error\nAn error occurred due to an invalid access to an System MMR location\nPossible reason: a 32-bit register is accessed with a 16-bit instruction,\nor a 16-bit register is accessed with a 32-bit instruction.\n"
  52 #define HWC_x3 "External Memory Addressing Error\n"
  53 #define HWC_x12 "Performance Monitor Overflow\n"
  54 #define HWC_x18 "RAISE 5 instruction\n Software issued a RAISE 5 instruction to invoke the Hardware\n"
  55 #define HWC_default "Reserved\n"
  56
  57 #define EXC_0x03 "Application stack overflow\n - Please increase the stack size of the application using elf2flt -s option,\n and/or reduce the stack use of the application.\n"
  58 #define EXC_0x10 "Single step\n - When the processor is in single step mode, every instruction\n generates an exception. Primarily used for debugging.\n"
  59 #define EXC_0x11 "Exception caused by a trace buffer full condition\n - The processor takes this exception when the trace\n buffer overflows (only when enabled by the Trace Unit Control register).\n"
  60 #define EXC_0x21 "Undefined instruction\n - May be used to emulate instructions that are not defined for\n a particular processor implementation.\n"
  61 #define EXC_0x22 "Illegal instruction combination\n - See section for multi-issue rules in the ADSP-BF53x Blackfin\n Processor Instruction Set Reference.\n"
  62 #define EXC_0x23 "Data access CPLB protection violation\n - Attempted read or write to Supervisor resource,\n or illegal data memory access. \n"
  63 #define EXC_0x24 "Data access misaligned address violation\n - Attempted misaligned data memory or data cache access.\n"
  64 #define EXC_0x25 "Unrecoverable event\n - For example, an exception generated while processing a previous exception.\n"
  65 #define EXC_0x26 "Data access CPLB miss\n - Used by the MMU to signal a CPLB miss on a data access.\n"
  66 #define EXC_0x27 "Data access multiple CPLB hits\n - More than one CPLB entry matches data fetch address.\n"
  67 #define EXC_0x28 "Program Sequencer Exception caused by an emulation watchpoint match\n - There is a watchpoint match, and one of the EMUSW\n bits in the Watchpoint Instruction Address Control register (WPIACTL) is set.\n"
  68 #define EXC_0x2A "Instruction fetch misaligned address violation\n - Attempted misaligned instruction cache fetch. On a misaligned instruction fetch exception,\n the return address provided in RETX is the destination address which is misaligned, rather than the address of the offending instruction.\n"
  69 #define EXC_0x2B "CPLB protection violation\n - Illegal instruction fetch access (memory protection violation).\n"
  70 #define EXC_0x2C "Instruction fetch CPLB miss\n - CPLB miss on an instruction fetch.\n"
  71 #define EXC_0x2D "Instruction fetch multiple CPLB hits\n - More than one CPLB entry matches instruction fetch address.\n"
  72 #define EXC_0x2E "Illegal use of supervisor resource\n - Attempted to use a Supervisor register or instruction from User mode.\n Supervisor resources are registers and instructions that are reserved\n for Supervisor use: Supervisor only registers, all MMRs, and Supervisor\n only instructions.\n"
  73
  74 #endif                          /* __ASSEMBLY__ */
  75 #endif                          /* _BFIN_TRAPS_H */