gdb/w89k-rom.c

   1 #include "defs.h"
   2 #include "gdbcore.h"
   3 #include "target.h"
   4 #include "monitor.h"
   5
   6 extern int baud_rate;
   7
   8 void w89k_open();
   9 void monitor_open();
  10
  11 /*
  12  * this array of registers need to match the indexes used by GDB. The
  13  * whole reason this exists is cause the various ROM monitors use
  14  * different strings than GDB does, and doesn't support all the
  15  * registers either. So, typing "info reg sp" becomes a "r30".
  16  */
  17 static char *w89k_regnames[] = {
  18   "r0",   "r1",    "r2",   "r3",   "r4",  "r5",  "r6",  "r7",  "r8",  "r9",
  19   "r10",  "r11",   "r12",  "r13",  "r14", "r15", "r16", "r17", "r18", "r19",
  20   "r20",  "r21",   "r22",  "r23",  "r24", "r25", "r26", "r27", "r28", "r29",
  21   "r30",  "r31",   "sar",  "pc",   "",    "",    "",
  22   "eiem", "iir",   "iva",  "ior",  "ipsw","",    "",    "",    "",    "",
  23   "",     "",      "",     "",     "",    "",    "",    "ccr", "",    "",
  24   "tr0",  "tr1",   "",     "",     "",    "",    "",
  25   "",     "",      "",     "",     "",    "",    "",    "",
  26   "",     "",      "",     "",     "",    "",    "",    "",
  27   "",     "",      "",     "",     "",    "",    "",    "",
  28   "",     "",      "",     "",     "",    "",    "",    "",
  29   "",     "",      "",     "",     "",    "",    "",    "",
  30   "",     "",      "",     "",     "",    "",    "",    "",
  31   "",     "",      "",     "",     "",    "",    "",    "",
  32   "",     "",      "",     "",     "",    "",    "",    ""
  33 };
  34
  35 /*
  36  * Define the monitor command strings. Since these are passed directly
  37  * through to a printf style function, we need can include formatting
  38  * strings. We also need a CR or LF on the end.
  39  */
  40
  41 struct target_ops w89k_ops = {
  42   "w89k",
  43   "WinBond's debug monitor for the W89k Eval board",
  44   "Debug on a WinBond W89K eval board.\n\
  45 Specify the serial device it is connected to (e.g. /dev/ttya).",
  46   w89k_open,
  47   monitor_close,
  48   monitor_attach,
  49   monitor_detach,
  50   monitor_resume,
  51   monitor_wait,
  52   monitor_fetch_register,
  53   monitor_store_register,
  54   monitor_prepare_to_store,
  55   monitor_xfer_inferior_memory,
  56   monitor_files_info,
  57   monitor_insert_breakpoint,
  58   monitor_remove_breakpoint,    /* Breakpoints */
  59   0,
  60   0,
  61   0,
  62   0,
  63   0,                            /* Terminal handling */
  64   monitor_kill,
  65   monitor_load,                 /* load */
  66   0,                            /* lookup_symbol */
  67   monitor_create_inferior,
  68   monitor_mourn_inferior,
  69   0,                            /* can_run */
  70   0,                            /* notice_signals */
  71   process_stratum,
  72   0,                            /* next */
  73   1,
  74   1,
  75   1,
  76   1,
  77   1,                            /* all mem, mem, stack, regs, exec */
  78   0,
  79   0,                            /* Section pointers */
  80   OPS_MAGIC,                    /* Always the last thing */
  81 };
  82
  83 struct monitor_ops w89k_cmds = {
  84   1,                                    /* 1 for ASCII, 0 for binary */
  85   "\n",                                 /* monitor init string */
  86   "g = %x\n",                           /* execute or usually GO command */
  87   "g\n",                                /* continue command */
  88   "t\n",                                /* single step */
  89   "bp %x\n",                            /* set a breakpoint */
  90   "bc %x\n",                            /* clear a breakpoint */
  91   0,                                    /* 0 for number, 1 for address */
  92   {
  93     "e %x %x\n",                        /* set memory */
  94     "",                                 /* delimiter */
  95     "",                                 /* the result */
  96   },
  97   {
  98     "db %x %x\n",                       /* get memory */
  99     "",                                 /* delimiter */
 100     "",                                 /* the result */
 101   },
 102   {
 103     "r %s %x\n",                        /* set a register */
 104     "",                                 /* delimiter between registers */
 105     "",                                 /* the result */
 106   },
 107   {
 108     "r %s\n",                           /* get a register */
 109     "",                                 /* delimiter between registers */
 110     "",                                 /* the result */
 111   },
 112   "U\r",                                /* download command */
 113   "ROM>",                               /* monitor command prompt */
 114   "",                                   /* end-of-command delimitor */
 115   "",                                   /* optional command terminator */
 116   &w89k_ops,                            /* target operations */
 117   "xmodem-srec,xmodem-som",             /* load types */
 118   w89k_regnames                         /* registers names */
 119 };
 120
 121 void
 122 w89k_open(args, from_tty)
 123      char *args;
 124      int from_tty;
 125 {
 126   target_preopen(from_tty);
 127   push_target  (&w89k_ops);
 128   push_monitor (&w89k_cmds);
 129   monitor_open (args, "w89k", from_tty);
 130 }
 131
 132 void
 133 _initialize_w89k ()
 134 {
 135   add_target (&w89k_ops);
 136
 137   /* this is the default, since it's the only baud rate supported by the hardware */
 138   baud_rate = 9600;
 139 }
 140
 141
 142
 143