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/* Remote target glue for the Oki op50n based eval board.

   Copyright 1995 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 2 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 59 Temple Place - Suite 330,

   Boston, MA 02111-1307, USA.  */

#include "defs.h"

#include "gdbcore.h"

#include "target.h"

#include "monitor.h"

#include "serial.h"

static void op50n_open PARAMS ((char *args, int from_tty));

/*

 * this array of registers need to match the indexes used by GDB. The

 * whole reason this exists is cause the various ROM monitors use

 * different strings than GDB does, and doesn't support all the

 * registers either. So, typing "info reg sp" becomes a "r30".

 */

static char *op50n_regnames[NUM_REGS] =

{

  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",

  "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",

  "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",

  "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",

  "cr11", "p", NULL, NULL, NULL, "cr15", "cr19", "cr20",

  "cr21", "cr22", NULL, NULL, NULL, NULL, NULL, NULL,

  NULL, NULL, NULL, "cr0", "cr8", "cr9", "cr10", "cr12",

  "cr13", "cr24", "cr25", "cr26",

};

/*

 * Define the monitor command strings. Since these are passed directly

 * through to a printf style function, we need can include formatting

 * strings. We also need a CR or LF on the end.

 */

static struct target_ops op50n_ops;

static char *op50n_inits[] =

{".\r", NULL};

static struct monitor_ops op50n_cmds;

static void

init_op50n_cmds (void)

{

  op50n_cmds.flags = MO_CLR_BREAK_USES_ADDR /*| MO_GETMEM_READ_SINGLE */ ;      /* flags */

  op50n_cmds.init = op50n_inits;        /* Init strings */

  op50n_cmds.cont = "g\r";      /* continue command */

  op50n_cmds.step = "t\r";      /* single step */

  op50n_cmds.stop = "\003.\r";  /* Interrupt char */

  op50n_cmds.set_break = "b %x\r";      /* set a breakpoint */

  op50n_cmds.clr_break = "b %x;0\r";    /* clear breakpoint at addr */

  op50n_cmds.clr_all_break = "bx\r";    /* clear all breakpoints */

  op50n_cmds.fill = "fx %x s%x %x\r";   /* memory fill cmd (addr, len, val) */

  op50n_cmds.setmem.cmdb = "sx %x %x\r";        /* setmem.cmdb (addr, value) */

  op50n_cmds.setmem.cmdw = "sh %x %x\r";        /* setmem.cmdw (addr, value) */

  op50n_cmds.setmem.cmdl = "s %x %x\r";         /* setmem.cmdl (addr, value) */

  op50n_cmds.setmem.cmdll = NULL;       /* setmem.cmdll (addr, value) */

  op50n_cmds.setmem.resp_delim = NULL;  /* setmem.resp_delim */

  op50n_cmds.setmem.term = NULL;        /* setmem.term */

  op50n_cmds.setmem.term_cmd = NULL;    /* setmem.term_cmd */

#if 0

  {

    "sx %x\r",                  /* getmem.cmdb (addr, len) */

      "sh %x\r",                /* getmem.cmdw (addr, len) */

      "s %x\r",                 /* getmem.cmdl (addr, len) */

      NULL,                     /* getmem.cmdll (addr, len) */

      " : ",                    /* getmem.resp_delim */

      " ",                      /* getmem.term */

      ".\r",                    /* getmem.term_cmd */

  };

#else

  op50n_cmds.getmem.cmdb = "dx %x s%x\r";       /* getmem.cmdb (addr, len) */

  op50n_cmds.getmem.cmdw = NULL;        /* getmem.cmdw (addr, len) */

  op50n_cmds.getmem.cmdl = NULL;        /* getmem.cmdl (addr, len) */

  op50n_cmds.getmem.cmdll = NULL;       /* getmem.cmdll (addr, len) */

  op50n_cmds.getmem.resp_delim = " : ";         /* getmem.resp_delim */

  op50n_cmds.getmem.term = NULL;        /* getmem.term */

  op50n_cmds.getmem.term_cmd = NULL;    /* getmem.term_cmd */

#endif

  op50n_cmds.setreg.cmd = "x %s %x\r";  /* setreg.cmd (name, value) */

  op50n_cmds.setreg.resp_delim = NULL;  /* setreg.resp_delim */

  op50n_cmds.setreg.term = NULL;        /* setreg.term */

  op50n_cmds.setreg.term_cmd = NULL;    /* setreg.term_cmd */

  op50n_cmds.getreg.cmd = "x %s\r";     /* getreg.cmd (name) */

  op50n_cmds.getreg.resp_delim = "=";   /* getreg.resp_delim */

  op50n_cmds.getreg.term = " "; /* getreg.term */

  op50n_cmds.getreg.term_cmd = ".\r";   /* getreg.term_cmd */

  op50n_cmds.dump_registers = NULL;     /* dump_registers */

  op50n_cmds.register_pattern = NULL;   /* register_pattern */

  op50n_cmds.supply_register = NULL;    /* supply_register */

  op50n_cmds.load_routine = NULL;       /* load routine */

  op50n_cmds.load = "r 0\r";    /* download command */

  op50n_cmds.loadresp = NULL;   /* load response */

  op50n_cmds.prompt = "\n#";    /* monitor command prompt */

  op50n_cmds.line_term = "\r";  /* end-of-command delimitor */

  op50n_cmds.cmd_end = NULL;    /* optional command terminator */

  op50n_cmds.target = &op50n_ops;       /* target operations */

  op50n_cmds.stopbits = SERIAL_1_STOPBITS;      /* number of stop bits */

  op50n_cmds.regnames = op50n_regnames;         /* register names */

  op50n_cmds.magic = MONITOR_OPS_MAGIC;         /* magic */

};

static void

op50n_open (args, from_tty)

     char *args;

     int from_tty;

{

  monitor_open (args, &op50n_cmds, from_tty);

}

void

_initialize_op50n ()

{

  init_op50n_cmds ();

  init_monitor_ops (&op50n_ops);

  op50n_ops.to_shortname = "op50n";

  op50n_ops.to_longname = "Oki's debug monitor for the Op50n Eval board";

  op50n_ops.to_doc = "Debug on a Oki OP50N eval board.\n\

Specify the serial device it is connected to (e.g. /dev/ttya).";

  op50n_ops.to_open = op50n_open;

  add_target (&op50n_ops);

}