gdb/op50-rom.c

   1 /*
   2  * op50n-rom.c -- configure GDB for an Oki op59n eval board.
   3  */
   4 #include "defs.h"
   5 #include "gdbcore.h"
   6 #include "target.h"
   7 #include "monitor.h"
   8
   9 void op50n_open();
  10 void monitor_open();
  11
  12 /*
  13  * this array of registers need to match the indexes used by GDB. The
  14  * whole reason this exists is cause the various ROM monitors use
  15  * different strings than GDB does, and doesn't support all the
  16  * registers either. So, typing "info reg sp" becomes a "r30".
  17  */
  18 static char *op50n_regnames[] = {
  19   "r0",  "r1",  "r2",  "r3",  "r4",  "r5",  "r6",
  20   "r7",  "r8",  "r9",  "r10", "r11", "r12", "r13",
  21   "r14", "r15", "r16", "r17", "r18", "r19", "r20",
  22   "r21", "r22", "r23", "r24", "r25", "r26", "r27",
  23   "r28", "r29", "r30", "r31", "",        "p",       "",
  24   "",    "",    "",    "",    "",       "",       "",
  25   "",    "",    "",    "",    "",       "",       "",
  26   "",    "",    "",    "",    "",       "",       "",    "",
  27   "",    "",    "",    "",    "",       "",       "",
  28   "",    "",    "",    "",    "",       "",       "",    "",
  29   "",    "",    "",    "",    "",       "",       "",    "",
  30   "",    "",    "",    "",    "",       "",       "",    "",
  31   "",    "",    "",    "",    "",       "",       "",    "",
  32   "",    "",    "",    "",    "",       "",       "",    "",
  33   "",    "",    "",    "",    "",       "",       "",    "",
  34   "",    "",    "",    "",    "",       "",       "",    "",
  35   "",    "",    "",    "",    "",       "",       "",    ""
  36 };
  37
  38 /*
  39  * Define the monitor command strings. Since these are passed directly
  40  * through to a printf style function, we need can include formatting
  41  * strings. We also need a CR or LF on the end.
  42  */
  43
  44 struct target_ops op50n_ops = {
  45   "op50n",
  46   "Oki's debug monitor for the Op50n Eval board",
  47
  48   "Debug on a Oki OP50N eval board.\n\
  49 Specify the serial device it is connected to (e.g. /dev/ttya).",
  50   op50n_open,
  51
  52   monitor_close,
  53   0,
  54   monitor_detach,
  55   monitor_resume,
  56   monitor_wait,
  57   monitor_fetch_register,
  58   monitor_store_register,
  59   monitor_prepare_to_store,
  60   monitor_xfer_inferior_memory,
  61   monitor_files_info,
  62   monitor_insert_breakpoint,
  63   monitor_remove_breakpoint,    /* Breakpoints */
  64   0,
  65   0,
  66   0,
  67   0,
  68   0,                            /* Terminal handling */
  69   monitor_kill,
  70   monitor_load,                 /* load */
  71   0,                            /* lookup_symbol */
  72   monitor_create_inferior,
  73   monitor_mourn_inferior,
  74   0,                            /* can_run */
  75   0,                            /* notice_signals */
  76   0,                            /* to_stop */
  77   process_stratum,
  78   0,                            /* next */
  79   1,
  80   1,
  81   1,
  82   1,
  83   1,                            /* all mem, mem, stack, regs, exec */
  84   0,
  85   0,                            /* Section pointers */
  86   OPS_MAGIC,                    /* Always the last thing */
  87 };
  88
  89 struct monitor_ops op50n_cmds = {
  90   1,                                    /* 1 for ASCII, 0 for binary */
  91   "\003.\n",                            /* monitor init string */
  92   "g %x\n",                             /* execute or usually GO command */
  93   "g\n",                                /* continue command */
  94   "t\n",                                /* single step */
  95   "b %x\n",                             /* set a breakpoint */
  96   "bx %x\n",                            /* clear a breakpoint */
  97   0,                                    /* 0 for number, 1 for address */
  98   {
  99     "sx %x %x;.\n",                     /* set memory */
 100     "",                                 /* delimiter  */
 101     "",                                 /* the result */
 102   },
 103   {
 104     "sx %x\n",                          /* get memory */
 105     ": ",                               /* delimiter */
 106     " ",                                /* the result */
 107   },
 108   {
 109     "x %s %x\n",                        /* set a register */
 110     "",                                 /* delimiter between registers */
 111     "",                                 /* the result */
 112   },
 113   {
 114     "x %s\n",                           /* get a register */
 115     "=",                                /* delimiter between registers */
 116     "",                                 /* the result */
 117   },
 118   "r 0\n",                              /* download command */
 119   "#",                                  /* monitor command prompt */
 120   " ",                                  /* end-of-command delimitor */
 121   ".\n",                                /* optional command terminator */
 122   &op50n_ops,                           /* target operations */
 123   "srec,ascii-srec,default",            /* load types */
 124   op50n_regnames
 125 };
 126
 127 void
 128 op50n_open(args, from_tty)
 129      char *args;
 130      int from_tty;
 131 {
 132   target_preopen(from_tty);
 133   push_target(&op50n_ops);
 134   push_monitor (&op50n_cmds);
 135   monitor_open (args, "op50n", from_tty);
 136 }
 137
 138 void
 139 _initialize_op50n ()
 140 {
 141   add_target (&op50n_ops);
 142
 143   /* this is the default, since it's that's how the board comes up after
 144      power cycle. It can then be changed using set remotebaud
 145    */
 146   baud_rate = 9600;
 147 }