home *** CD-ROM | disk | FTP | other *** search
- /* 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",
- "WinBond's debug monitor for the Rom68k 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;
- }
-