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_zero", "r1_tO ",  "r2_rp ",  "r3_s15 ", "r4_s14 ", "r5_s13 ", "r6_s12 ",
  20   "r7_s11 ", "r8_s10 ", "r9_s9 ",  "r10_s8 ", "r11_s7 ", "r12_s6 ", "r13_s5 ",
  21   "r14_s4 ", "r15_s3 ", "r16_s2 ", "r17_s1 ", "r18_s0 ", "r19_t4 ", "r20_t3 ",
  22   "r21_t2 ", "r22_t1 ", "r23_a3 ", "r24_a2 ", "r25_a1 ", "r26_a0 ", "r27_dp ",
  23   "r28_v0 ", "r29_v1 ", "r30_sp ", "r31_t5 ", "",        "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   process_stratum,
  77   0,                            /* next */
  78   1,
  79   1,
  80   1,
  81   1,
  82   1,                            /* all mem, mem, stack, regs, exec */
  83   0,
  84   0,                            /* Section pointers */
  85   OPS_MAGIC,                    /* Always the last thing */
  86 };
  87
  88 struct monitor_ops op50n_cmds = {
  89   1,                                    /* 1 for ASCII, 0 for binary */
  90   ".\nXx\n",                            /* monitor init string */
  91   "g %x",                               /* execute or usually GO command */
  92   "g.",                                 /* continue command */
  93   "c\n",                                 /* single step */
  94   "b %x\n",                             /* set a breakpoint */
  95   "bx %x\n",                            /* clear a breakpoint */
  96   0,                                    /* 0 for number, 1 for address */
  97   {
  98     "sx %x %x;.\n",                     /* set memory */
  99     "",                                 /* delimiter  */
 100     "",                                 /* the result */
 101   },
 102   {
 103     "sx %x\n",                          /* get memory */
 104     ": ",                               /* delimiter */
 105     " ",                                /* the result */
 106   },
 107   {
 108     "x %s\n",                           /* set a register */
 109     "=",                                /* delimiter between registers */
 110     "",                                 /* the result */
 111   },
 112   {
 113     "x %s\n",                           /* get a register */
 114     "=",                                /* delimiter between registers */
 115     "",                                 /* the result */
 116   },
 117   "r 0\n",                              /* download command */
 118   "#",                                  /* monitor command prompt */
 119   " ",                                  /* end-of-command delimitor */
 120   ".\n",                                /* optional command terminator */
 121   &op50n_ops,                           /* target operations */
 122   "srec,binary",                        /* load types */
 123   op50n_regnames
 124 };
 125
 126 void
 127 op50n_open(args, from_tty)
 128      char *args;
 129      int from_tty;
 130 {
 131   target_preopen(from_tty);
 132   push_target(&op50n_ops);
 133   push_monitor (&op50n_cmds);
 134   monitor_open (args, "op50n", from_tty);
 135 }
 136
 137 void
 138 _initialize_op50n ()
 139 {
 140   add_target (&op50n_ops);
 141
 142   /* this is the default, since it's that's how the board comes up after
 143      power cycle. It can then be changed using set remotebaud
 144    */
 145   baud_rate = 9600;
 146 }