GDB Server for MVME162 Board
Joel Sherrill
joel.sherrill at OARcorp.com
Thu Mar 22 20:01:36 UTC 2001
Eric Norum wrote:
>
> "Jimmie L. Hebert" wrote:
> >
> > Does anyone have a GDB Server for the MVME162 Board. I would like to
> > Debug via an Network
> > Link.
>
> I seem to recall that there was a gdb/167bug-rom.c available from the
> OAR site. If not, I can probably find it somewhere around here and post
> it.
I have sent the entire patch to Jimmie privately but this is
the file gdb/162bug-rom.c. I never could get it to work
100% reliably. Maybe someone else will have more luck.
FYI I was downloading using the network loaded in Mbug, then
getting into gdb and starting the debug.
> --
> Eric Norum eric.norum at usask.ca
> Department of Electrical Engineering Phone: (306) 966-5394
> University of Saskatchewan FAX: (306) 966-5407
> Saskatoon, Canada.
--
Joel Sherrill, Ph.D. Director of Research & Development
joel at OARcorp.com On-Line Applications Research
Ask me about RTEMS: a free RTOS Huntsville AL 35805
Support Available (256) 722-9985
-------------- next part --------------
/* Remote debugging interface for 162bug Rom monitor for GDB, the GNU debugger.
Copyright 1995, 1996, 1998, 2000 Free Software Foundation, Inc.
Adapted by Joel Sherrill <joel.sherrill at OARcorp.com>
from 167bug-rom.c written by Charles-Antoine Gauthier
<charles.gauthier at nrc.ca> which was adapted from
abug-rom.c written by Rob Savoye of Cygnus Support
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"
/* Prototypes for local functions. */
static void m162bug_open (char *args, int from_tty);
static void
m162bug_supply_register (regname, regnamelen, val, vallen)
char *regname;
int regnamelen;
char *val;
int vallen;
{
int regno;
char *terminated_val;
if (regnamelen != 2)
return;
switch (regname[0])
{
case 'S':
if (regname[1] != 'R')
return;
regno = PS_REGNUM;
break;
case 'P':
if (regname[1] != 'C')
return;
regno = PC_REGNUM;
break;
case 'D':
if (regname[1] < '0' || regname[1] > '7')
return;
regno = regname[1] - '0' + D0_REGNUM;
break;
case 'A':
if (regname[1] < '0' || regname[1] > '7')
return;
regno = regname[1] - '0' + A0_REGNUM;
break;
default:
return;
}
terminated_val = (char *) xmalloc(vallen + 1);
strncpy (terminated_val, val, vallen);
monitor_supply_register (regno, terminated_val);
free(terminated_val);
}
/*
* This array of registers needs to match the indexes used by GDB. The
* whole reason this exists is because the various ROM monitors use
* different names than GDB does, and don't support all the
* registers either. So, typing "info reg sp" becomes an "A7".
*/
static char *m162bug_regnames[NUM_REGS] =
{
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
"SR", "PC",
"FP0", "FP1", "FP2", "FP3", "FP4", "FP5", "FP6", "FP7",
"FPCR", "FPSR", "FPIAR"
};
/*
* 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 m162bug_ops;
static char *m162bug_inits[] = {"\r", NULL};
static struct monitor_ops m162bug_cmds ;
static void
init_m162bug_cmds(void)
{
m162bug_cmds.flags = MO_CLR_BREAK_USES_ADDR;
m162bug_cmds.init = m162bug_inits; /* Init strings */
m162bug_cmds.cont = "g\r"; /* continue command */
m162bug_cmds.step = "t\r"; /* single step */
m162bug_cmds.stop = NULL; /* interrupt command */
m162bug_cmds.set_break = "br %x\r"; /* set a breakpoint */
m162bug_cmds.clr_break = "nobr %x\r"; /* clear a breakpoint */
m162bug_cmds.clr_all_break = "nobr\r"; /* clear all breakpoints */
m162bug_cmds.fill = "bf %x:%x %x;b\r"; /* fill (start count val) */
m162bug_cmds.setmem.cmdb = "mw %x %02x;b\r"; /* setmem.cmdb (addr, value) */
m162bug_cmds.setmem.cmdw = "mw %x %04x;w\r"; /* setmem.cmdw (addr, value) */
m162bug_cmds.setmem.cmdl = "mw %x %08x;l\r"; /* setmem.cmdl (addr, value) */
m162bug_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
m162bug_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
m162bug_cmds.setmem.term = NULL; /* setreg.term */
m162bug_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
m162bug_cmds.getmem.cmdb = "md %x:%x;b\r"; /* getmem.cmdb (addr, len) */
m162bug_cmds.getmem.cmdw = "md %x:%x;b\r"; /* getmem.cmdw (addr, len) */
m162bug_cmds.getmem.cmdl = "md %x:%x;b\r"; /* getmem.cmdl (addr, len) */
m162bug_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
m162bug_cmds.getmem.resp_delim = " "; /* getmem.resp_delim */
m162bug_cmds.getmem.term = NULL; /* getmem.term */
m162bug_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
m162bug_cmds.setreg.cmd = "rs %s %x\r"; /* setreg.cmd (name, value) */
m162bug_cmds.setreg.resp_delim = NULL ; /* setreg.resp_delim */
m162bug_cmds.setreg.term = NULL; /* setreg.term */
m162bug_cmds.setreg.term_cmd = NULL ; /* setreg.term_cmd */
m162bug_cmds.getreg.cmd = "rm %s\r"; /* getreg.cmd (name) */
m162bug_cmds.getreg.resp_delim = "="; /* getreg.resp_delim */
m162bug_cmds.getreg.term = "? "; /* getreg.term */
m162bug_cmds.getreg.term_cmd = ".\r" ; /* getreg.term_cmd */
m162bug_cmds.dump_registers = "rd\r"; /* dump_registers */
m162bug_cmds.register_pattern = "\\(\\w+\\) +=\\([0-9a-fA-F]+\\b\\)"; /* register_pattern */
m162bug_cmds.supply_register = m162bug_supply_register; /* supply_register */
m162bug_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
m162bug_cmds.load = "lo 0\r"; /* download command */
m162bug_cmds.loadresp = "\n"; /* load response */
m162bug_cmds.prompt = "162-Bug>"; /* monitor command prompt */
m162bug_cmds.line_term = "\r"; /* end-of-line terminator */
m162bug_cmds.cmd_end = NULL; /* optional command terminator */
m162bug_cmds.target = &m162bug_ops; /* target operations */
m162bug_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
m162bug_cmds.regnames = m162bug_regnames; /* registers names */
m162bug_cmds.magic = MONITOR_OPS_MAGIC ; /* magic */
};
static void
m162bug_open(args, from_tty)
char *args;
int from_tty;
{
monitor_open (args, &m162bug_cmds, from_tty);
}
void
_initialize_m162bug_rom ()
{
init_m162bug_cmds() ;
init_monitor_ops (&m162bug_ops);
m162bug_ops.to_shortname = "162bug";
m162bug_ops.to_longname = "162bug monitor";
m162bug_ops.to_doc = "Debug via the 162bug monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
m162bug_ops.to_open = m162bug_open;
add_target (&m162bug_ops);
}
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