sim/sparc/trap64.h

   1 /* sparc64 trap definitions
   2    Copyright (C) 1999 Cygnus Solutions.  */
   3
   4 #ifndef TRAP64_H
   5 #define TRAP64_H
   6
   7 /* D1.2.4 page 107 */
   8
   9 typedef enum
  10 {
  11   TRAP64_POWER_ON_RESET = 1,
  12   TRAP64_WATCHDOG_RESET = 2,
  13   TRAP64_EXTERNALLY_INITIATED_RESET = 3,
  14   TRAP64_SOFTWARE_INITIATED_RESET = 4,
  15   TRAP64_RED_STATE_EXCEPTION = 5,
  16   TRAP64_INSN_ACCESS_EXCEPTION = 8,
  17   TRAP64_INSN_ACCESS_MMU_MISS = 9,
  18   TRAP64_INSN_ACCESS_ERROR = 10,
  19   TRAP64_ILLEGAL_INSN = 16,
  20   TRAP64_PRIVILEDGED_OPCODE = 17,
  21   TRAP64_UNIMPLEMENTED_LDD = 18,
  22   TRAP64_UNIMPLEMENTED_STD = 19,
  23   TRAP64_FP_DISABLED = 32,
  24   TRAP64_FP_EXCEPTION_IEEE_754 = 33,
  25   TRAP64_FP_EXCEPTION_OTHER = 34,
  26   TRAP64_TAG_OVERFLOW = 35,
  27   TRAP64_CLEAN_WINDOW = 36,
  28   TRAP64_DIVISION_BY_ZERO = 40,
  29   TRAP64_INTERNAL_PROCESSOR_ERROR = 41,
  30   TRAP64_DATA_ACCESS_EXCEPTION = 48,
  31   TRAP64_DATA_ACCESS_MMU_MISS = 49,
  32   TRAP64_DATA_ACCESS_ERROR = 50,
  33   TRAP64_DATA_ACCESS_PROTECTION = 51,
  34   TRAP64_MEM_ADDRESS_NOT_ALIGNED = 52,
  35   TRAP64_LDDF_MEM_ADDRESS_NOT_ALIGNED = 53,     /* impdep # 109 */
  36   TRAP64_STDF_MEM_ADDRESS_NOT_ALIGNED = 54,     /* impdep # 110 */
  37   TRAP64_PRIVILEDGED_ACTION = 55,
  38   TRAP64_LDQF_MEM_ADDRESS_NOT_ALIGNED = 56,     /* impdep # 111 */
  39   TRAP64_STQF_MEM_ADDRESS_NOT_ALIGNED = 57,     /* impdep # 112 */
  40   TRAP64_ASYNC_DATA_ERROR = 64,
  41   TRAP64_INTERRUPT_LEVEL_0 = 65,                /* n = 1..15 */
  42   TRAP64_IMPDEP_EXCEPTION_0 = 96,               /* n = 0..31 */
  43
  44   /* IMPDEP codes used by the simulator in ENVIRONMENT_USER.  */
  45   TRAP64_SIM_UNIMPLEMENTED_OPCODE = 124,
  46   TRAP64_SIM_RESERVED_INSN = 125,
  47   TRAP64_SIM_SPILL = 126,
  48   TRAP64_SIM_FILL = 127,
  49
  50   TRAP64_SPILL_0_NORMAL = 128,                  /* n = 0..7 */
  51   TRAP64_SPILL_0_OTHER = 160,                   /* n = 0..7 */
  52   TRAP64_FILL_0_NORMAL = 192,                   /* n = 0..7 */
  53   TRAP64_FILL_0_OTHER = 224,                    /* n = 0..7 */
  54   TRAP64_INSTRUCTION = 256,                     /* n = 0..127 */
  55   TRAP64_BREAKPOINT = 257,                      /* convention */
  56   TRAP64_MAX = 0x17f
  57 } TRAP64_TYPE;
  58
  59 #define MAX_NUM_TRAPS   1024
  60
  61 #define TRAP64_TABLE_SIZE (32 * MAX_NUM_TRAPS)  /* in bytes */
  62
  63 /* We record the fact that the cpu is in error state by setting TL to be
  64    something greater than MAXTL, usually MAXTL+1.  */
  65
  66 #define ERROR_STATE_P() (GET_TL () > MAXTL)
  67
  68 #if 0
  69 fastint trap (trap_type_e);
  70 int trap_priority (trap_type_e);
  71
  72 fastint reserved (void);
  73 fastint deprecated (void);
  74 fastint not_impl (void);
  75 fastint illegal (void);
  76 fastint priviledged (void);
  77 fastint unimp_fpop (void);
  78 fastint fp_disabled (void);
  79
  80 /* When running user level programs, we supply all the necessary trap handlers.
  81    These handlers run on the host, not in the emulation environment.  */
  82
  83 typedef fastint (trap_handler_t) (void);
  84 #endif
  85
  86 #endif /* TRAP64_H */