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/* Remote target glue for the rom68k ROM monitor. This was running on a
Motorola IDP board.
Copyright 1988, 1991, 1992, 1993, 1994 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
#include "serial.h"
void rom68k_open();
/*
* 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 *rom68k_regnames[NUM_REGS] = {
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
"A0", "A1", "A2", "A3", "A4", "A5", "A6", "ISP",
"SR", "PC" };
/*
* 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 rom68k_ops;
static char *rom68k_loadtypes[] = {"none", "srec", "default", NULL};
static char *rom68k_loadprotos[] = {"none", NULL};
static struct monitor_ops rom68k_cmds =
{
1, /* 1 for ASCII, 0 for binary */
".\r\r", /* monitor init string */
"go \r", /* execute or usually GO command */
"go \r", /* continue command */
"st \r", /* single step */
"db %x\r", /* set a breakpoint */
"cb %x\r", /* clear a breakpoint */
0, /* 0 for number, 1 for address */
{
"pm %x %x\r", /* setmem.cmd (addr, value) */
NULL, /* setreg.resp_delim */
NULL, /* setreg.term */
NULL, /* setreg.term_cmd */
},
{
"dm %x 1\r", /* getmem.cmd (addr) */
" ", /* getmem.resp_delim */
NULL, /* getmem.term */
NULL, /* getmem.term_cmd */
},
{
"pr %s %x\r", /* setreg.cmd (name, value) */
NULL, /* setreg.resp_delim */
NULL, /* setreg.term */
NULL /* setreg.term_cmd */
},
{
"pr %s\r", /* getreg.cmd (name) */
": ", /* getreg.resp_delim */
"= ", /* getreg.term */
".\r" /* getreg.term_cmd */
},
"dc\r", /* download command */
"ROM68K :->", /* monitor command prompt */
"=", /* end-of-command delimitor */
".\r", /* optional command terminator */
&rom68k_ops, /* target operations */
rom68k_loadtypes, /* loadtypes */
rom68k_loadprotos, /* loadprotos */
"9600", /* supported baud rates */
SERIAL_1_STOPBITS, /* number of stop bits */
rom68k_regnames /* registers names */
};
void
rom68k_open(args, from_tty)
char *args;
int from_tty;
{
monitor_open (args, &rom68k_cmds, from_tty);
}
void
_initialize_rom68k ()
{
init_monitor_ops (&rom68k_ops);
rom68k_ops.to_shortname = "rom68k";
rom68k_ops.to_longname = "Rom68k debug monitor for the IDP Eval board";
rom68k_ops.to_doc = "Debug on a Motorola IDP eval board running the ROM68K monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
rom68k_ops.to_open = rom68k_open;
add_target (&rom68k_ops);
/* this is the default, since it's the only baud rate supported by the hardware */
baud_rate = 9600;
}
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