gdb/ocd.h

   1 /* Definitions for the Macraigor Systems BDM Wiggler
   2    Copyright 1996, 1997 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef OCD_H
  22 #define OCD_H
  23
  24 /* Wiggler serial protocol definitions */
  25
  26 #define DLE 020                 /* Quote char */
  27 #define SYN 026                 /* Start of packet */
  28 #define RAW_SYN ((026 << 8) | 026)      /* get_quoted_char found a naked SYN */
  29
  30 /* Status flags */
  31
  32 #define OCD_FLAG_RESET 0x01     /* Target is being reset */
  33 #define OCD_FLAG_STOPPED 0x02   /* Target is halted */
  34 #define OCD_FLAG_BDM 0x04       /* Target is in BDM */
  35 #define OCD_FLAG_PWF 0x08       /* Power failed */
  36 #define OCD_FLAG_CABLE_DISC 0x10        /* BDM cable disconnected */
  37
  38 /* Commands */
  39
  40 #define OCD_AYT 0x0             /* Are you there? */
  41 #define OCD_GET_VERSION 0x1     /* Get Version */
  42 #define OCD_SET_BAUD_RATE 0x2   /* Set Baud Rate */
  43 #define OCD_INIT 0x10           /* Initialize Wiggler */
  44 #define OCD_SET_SPEED 0x11      /* Set Speed */
  45 #define OCD_GET_STATUS_MASK 0x12        /* Get Status Mask */
  46 #define OCD_GET_CTRS 0x13       /* Get Error Counters */
  47 #define OCD_SET_FUNC_CODE 0x14  /* Set Function Code */
  48 #define OCD_SET_CTL_FLAGS 0x15  /* Set Control Flags */
  49 #define OCD_SET_BUF_ADDR 0x16   /* Set Register Buffer Address */
  50 #define OCD_RUN 0x20            /* Run Target from PC */
  51 #define OCD_RUN_ADDR 0x21       /* Run Target from Specified Address */
  52 #define OCD_STOP 0x22           /* Stop Target */
  53 #define OCD_RESET_RUN 0x23      /* Reset Target and Run */
  54 #define OCD_RESET 0x24          /* Reset Target and Halt */
  55 #define OCD_STEP 0x25           /* Single step */
  56 #define OCD_READ_REGS 0x30      /* Read Registers */
  57 #define OCD_WRITE_REGS 0x31     /* Write Registers */
  58 #define OCD_READ_MEM 0x32       /* Read Memory */
  59 #define OCD_WRITE_MEM 0x33      /* Write Memory */
  60 #define OCD_FILL_MEM 0x34       /* Fill Memory */
  61 #define OCD_MOVE_MEM 0x35       /* Move Memory */
  62
  63 #define OCD_READ_INT_MEM 0x80   /* Read Internal Memory */
  64 #define OCD_WRITE_INT_MEM 0x81  /* Write Internal Memory */
  65 #define OCD_JUMP 0x82           /* Jump to Subroutine */
  66
  67 #define OCD_ERASE_FLASH 0x90    /* Erase flash memory */
  68 #define OCD_PROGRAM_FLASH 0x91  /* Write flash memory */
  69 #define OCD_EXIT_MON 0x93       /* Exit the flash programming monitor  */
  70 #define OCD_ENTER_MON 0x94      /* Enter the flash programming monitor  */
  71
  72 #define OCD_SET_STATUS 0x0a     /* Set status */
  73 #define OCD_SET_CONNECTION 0xf0 /* Set connection (init Wigglers.dll) */
  74 #define OCD_LOG_FILE 0xf1       /* Cmd to get Wigglers.dll to log cmds */
  75 #define OCD_FLAG_STOP 0x0       /* Stop the target, enter BDM */
  76 #define OCD_FLAG_START 0x01     /* Start the target at PC */
  77 #define OCD_FLAG_RETURN_STATUS 0x04     /* Return async status */
  78
  79 /* Target type (for OCD_INIT command) */
  80
  81 enum ocd_target_type
  82   {
  83     OCD_TARGET_CPU32 = 0x0,     /* Moto cpu32 family */
  84     OCD_TARGET_CPU16 = 0x1,
  85     OCD_TARGET_MOTO_PPC = 0x2,  /* Motorola PPC 5xx/8xx */
  86     OCD_TARGET_IBM_PPC = 0x3
  87   };                            /* IBM PPC 4xx */
  88
  89 void ocd_open PARAMS ((char *name, int from_tty, enum ocd_target_type,
  90                        struct target_ops * ops));
  91
  92 void ocd_close PARAMS ((int quitting));
  93
  94 void ocd_detach PARAMS ((char *args, int from_tty));
  95
  96 void ocd_resume PARAMS ((int pid, int step, enum target_signal siggnal));
  97
  98 void ocd_prepare_to_store PARAMS ((void));
  99
 100 void ocd_stop PARAMS ((void));
 101
 102 void ocd_files_info PARAMS ((struct target_ops * ignore));
 103
 104
 105 int ocd_xfer_memory PARAMS ((CORE_ADDR memaddr, char *myaddr,
 106                              int len, int should_write,
 107                              struct target_ops * target));
 108
 109 void ocd_mourn PARAMS ((void));
 110
 111 void ocd_create_inferior PARAMS ((char *exec_file,
 112                                   char *args,
 113                                   char **env));
 114
 115 int ocd_thread_alive PARAMS ((int th));
 116
 117 void ocd_error PARAMS ((char *s, int error_code));
 118
 119 void ocd_kill PARAMS ((void));
 120
 121 void ocd_load PARAMS ((char *args, int from_tty));
 122
 123 unsigned char *ocd_read_bdm_registers PARAMS ((int first_bdm_regno,
 124                                                int last_bdm_regno,
 125                                                int *reglen));
 126
 127 CORE_ADDR ocd_read_bdm_register PARAMS ((int bdm_regno));
 128
 129 void ocd_write_bdm_registers PARAMS ((int first_bdm_regno,
 130                                       unsigned char *regptr,
 131                                       int reglen));
 132
 133 void ocd_write_bdm_register PARAMS ((int bdm_regno, CORE_ADDR reg));
 134
 135 int ocd_wait PARAMS ((void));
 136
 137 int ocd_insert_breakpoint PARAMS ((CORE_ADDR addr, char *contents_cache));
 138 int ocd_remove_breakpoint PARAMS ((CORE_ADDR addr, char *contents_cache));
 139
 140 int ocd_write_bytes PARAMS ((CORE_ADDR memaddr, char *myaddr, int len));
 141
 142 #endif /* OCD_H */