gdb/op50-rom.c

   1 /* Remote target glue for the Oki op50n based eval board.
   2
   3    Copyright 1995 Free Software Foundation, Inc.
   4
   5 This file is part of GDB.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #include "defs.h"
  22 #include "gdbcore.h"
  23 #include "target.h"
  24 #include "monitor.h"
  25 #include "serial.h"
  26
  27 static void op50n_open PARAMS ((char *args, int from_tty));
  28
  29 /*
  30  * this array of registers need to match the indexes used by GDB. The
  31  * whole reason this exists is cause the various ROM monitors use
  32  * different strings than GDB does, and doesn't support all the
  33  * registers either. So, typing "info reg sp" becomes a "r30".
  34  */
  35
  36 static char *op50n_regnames[NUM_REGS] =
  37 {
  38   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
  39   "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
  40   "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
  41   "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
  42   "cr11", "p", NULL, NULL, NULL, "cr15", "cr19", "cr20",
  43   "cr21", "cr22", NULL, NULL, NULL, NULL, NULL, NULL,
  44   NULL, NULL, NULL, "cr0", "cr8", "cr9", "cr10","cr12",
  45   "cr13", "cr24", "cr25", "cr26",
  46 };
  47
  48 /*
  49  * Define the monitor command strings. Since these are passed directly
  50  * through to a printf style function, we need can include formatting
  51  * strings. We also need a CR or LF on the end.
  52  */
  53
  54 static struct target_ops op50n_ops;
  55
  56 static char *op50n_inits[] = {".\r", NULL};
  57
  58 static struct monitor_ops op50n_cmds =
  59 {
  60   MO_CLR_BREAK_USES_ADDR /*| MO_GETMEM_READ_SINGLE*/, /* flags */
  61   op50n_inits,                  /* Init strings */
  62   "g\r",                        /* continue command */
  63   "t\r",                        /* single step */
  64   "\003.\r",                    /* Interrupt char */
  65   "b %x\r",                     /* set a breakpoint */
  66   "b %x,0\r",                   /* clear breakpoint at addr */
  67   "bx\r",                       /* clear all breakpoints */
  68   "fx %x s%x %x\r",             /* memory fill cmd (addr, len, val) */
  69   {
  70     "sx %x %x\r",               /* setmem.cmdb (addr, value) */
  71     "sh %x %x\r",               /* setmem.cmdw (addr, value) */
  72     "s %x %x\r",                /* setmem.cmdl (addr, value) */
  73     NULL,                       /* setmem.cmdll (addr, value) */
  74     NULL,                       /* setmem.resp_delim */
  75     NULL,                       /* setmem.term */
  76     NULL,                       /* setmem.term_cmd */
  77   },
  78 #if 0
  79   {
  80     "sx %x\r",                  /* getmem.cmdb (addr, len) */
  81     "sh %x\r",                  /* getmem.cmdw (addr, len) */
  82     "s %x\r",                   /* getmem.cmdl (addr, len) */
  83     NULL,                       /* getmem.cmdll (addr, len) */
  84     " : ",                      /* getmem.resp_delim */
  85     " ",                        /* getmem.term */
  86     ".\r",                      /* getmem.term_cmd */
  87   },
  88 #else
  89   {
  90     "dx %x s%x\r",              /* getmem.cmdb (addr, len) */
  91     NULL,                       /* getmem.cmdw (addr, len) */
  92     NULL,                       /* getmem.cmdl (addr, len) */
  93     NULL,                       /* getmem.cmdll (addr, len) */
  94     " : ",                      /* getmem.resp_delim */
  95     NULL,                       /* getmem.term */
  96     NULL,                       /* getmem.term_cmd */
  97   },
  98 #endif
  99   {
 100     "x %s %x\r",                /* setreg.cmd (name, value) */
 101     NULL,                       /* setreg.resp_delim */
 102     NULL,                       /* setreg.term */
 103     NULL,                       /* setreg.term_cmd */
 104   },
 105   {
 106     "x %s\r",                   /* getreg.cmd (name) */
 107     "=",                        /* getreg.resp_delim */
 108     " ",                        /* getreg.term */
 109     ".\r",                      /* getreg.term_cmd */
 110   },
 111   NULL,                         /* dump_registers */
 112   NULL,                         /* register_pattern */
 113   NULL,                         /* supply_register */
 114   NULL,                         /* load routine */
 115   "r 0\r",                      /* download command */
 116   NULL,                         /* load response */
 117   "\n#",                        /* monitor command prompt */
 118   "\r",                         /* end-of-command delimitor */
 119   NULL,                         /* optional command terminator */
 120   &op50n_ops,                   /* target operations */
 121   SERIAL_1_STOPBITS,            /* number of stop bits */
 122   op50n_regnames,               /* register names */
 123   MONITOR_OPS_MAGIC             /* magic */
 124   };
 125
 126 static void
 127 op50n_open (args, from_tty)
 128      char *args;
 129      int from_tty;
 130 {
 131   monitor_open (args, &op50n_cmds, from_tty);
 132 }
 133
 134 void
 135 _initialize_op50n ()
 136 {
 137   init_monitor_ops (&op50n_ops);
 138
 139   op50n_ops.to_shortname = "op50n";
 140   op50n_ops.to_longname = "Oki's debug monitor for the Op50n Eval board";
 141   op50n_ops.to_doc = "Debug on a Oki OP50N eval board.\n\
 142 Specify the serial device it is connected to (e.g. /dev/ttya).";
 143   op50n_ops.to_open = op50n_open;
 144
 145   add_target (&op50n_ops);
 146 }