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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"
extern int baud_rate;
void rom68k_open();
void monitor_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[] = {
"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", "a0", "a1",
"a2", "a3", "a4", "a5", "a6", "usp", "ssp","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.
*/
struct target_ops rom68k_ops = {
"rom68k",
"Rom68k debug monitor for the IDP Eval board",
"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_open,
monitor_close,
monitor_attach,
monitor_detach,
monitor_resume,
monitor_wait,
monitor_fetch_register,
monitor_store_register,
monitor_prepare_to_store,
monitor_xfer_inferior_memory,
monitor_files_info,
monitor_insert_breakpoint,
monitor_remove_breakpoint, /* Breakpoints */
0,
0,
0,
0,
0, /* Terminal handling */
monitor_kill,
monitor_load, /* load */
0, /* lookup_symbol */
monitor_create_inferior,
monitor_mourn_inferior,
0, /* can_run */
0, /* notice_signals */
0, /* to_stop */
process_stratum,
0, /* next */
1,
1,
1,
1,
1, /* all mem, mem, stack, regs, exec */
0,
0, /* Section pointers */
OPS_MAGIC /* Always the last thing */
};
struct monitor_ops rom68k_cmds = {
1, /* 1 for ASCII, 0 for binary */
"\n", /* monitor init string */
"go \n", /* execute or usually GO command */
"go \n", /* continue command */
"st \n", /* single step */
"db %x\n", /* set a breakpoint */
"cb %x\r", /* clear a breakpoint */
0, /* 0 for number, 1 for address */
{
"pm %x %x\r", /* set memory */
"=", /* delimiter */
"", /* the result */
},
{
"dm %x 1\r", /* get memory */
"", /* delimiter */
"", /* the result */
},
{
"pr %s %x\r", /* set a register */
"", /* delimiter between registers */
"", /* the result */
},
{
"pr %s\n", /* get a register */
":", /* delimiter between registers */
"", /* the result */
},
"dc\n", /* download command */
"ROM68K :->", /* monitor command prompt */
"=", /* end-of-command delimitor */
".\n", /* optional command terminator */
&rom68k_ops, /* target operations */
"none,srec,default", /* load types */
"none", /* load protocols */
"9600", /* supported baud rates */
1, /* number of stop bits */
rom68k_regnames /* registers names */
};
void
rom68k_open(args, from_tty)
char *args;
int from_tty;
{
target_preopen(from_tty);
push_target (&rom68k_ops);
push_monitor (&rom68k_cmds);
monitor_open (args, "rom68k", from_tty);
}
void
_initialize_rom68k ()
{
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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