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/* Remote debugging interface for EST-300 ICE, for GDB
Copyright 1995 Free Software Foundation, Inc.
Contributed by Cygnus Support.
Written by Steve Chamberlain for Cygnus Support.
Re-written by Stu Grossman 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "defs.h"
#include "gdbcore.h"
#include "target.h"
#include "monitor.h"
#include "serial.h"
static void est_open PARAMS ((char *args, int from_tty));
static void
est_supply_register (regname, regnamelen, val, vallen)
char *regname;
int regnamelen;
char *val;
int vallen;
{
int regno;
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;
}
monitor_supply_register (regno, 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 a "r30".
*/
static char *est_regnames[NUM_REGS] =
{
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
"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 est_ops;
static char *est_inits[] = {"he\r", /* Resets the prompt, and clears repeated cmds */
NULL};
static struct monitor_ops est_cmds =
{
MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_NEED_REGDUMP_AFTER_CONT,
est_inits, /* Init strings */
"go\r", /* continue command */
"sidr\r", /* single step */
"\003", /* ^C interrupts the program */
"sb %x\r", /* set a breakpoint */
"rb %x\r", /* clear a breakpoint */
"rb\r", /* clear all breakpoints */
"bfb %x %x %x\r", /* fill (start end val) */
{
"smb %x %x\r", /* setmem.cmdb (addr, value) */
"smw %x %x\r", /* setmem.cmdw (addr, value) */
"sml %x %x\r", /* setmem.cmdl (addr, value) */
NULL, /* setmem.cmdll (addr, value) */
NULL, /* setreg.resp_delim */
NULL, /* setreg.term */
NULL, /* setreg.term_cmd */
},
{
"dmb %x %x\r", /* getmem.cmdb (addr, len) */
"dmw %x %x\r", /* getmem.cmdw (addr, len) */
"dml %x %x\r", /* getmem.cmdl (addr, len) */
NULL, /* getmem.cmdll (addr, len) */
": ", /* getmem.resp_delim */
NULL, /* getmem.term */
NULL, /* getmem.term_cmd */
},
{
"sr %s %x\r", /* setreg.cmd (name, value) */
NULL, /* setreg.resp_delim */
NULL, /* setreg.term */
NULL /* setreg.term_cmd */
},
{
"dr %s\r", /* getreg.cmd (name) */
" = ", /* getreg.resp_delim */
NULL, /* getreg.term */
NULL /* getreg.term_cmd */
},
"dr\r", /* dump_registers */
"\\(\\w+\\) = \\([0-9a-fA-F]+\\)", /* register_pattern */
est_supply_register, /* supply_register */
NULL, /* load_routine (defaults to SRECs) */
"dl\r", /* download command */
"+", /* load response */
">BKM>", /* monitor command prompt */
"\r", /* end-of-line terminator */
NULL, /* optional command terminator */
&est_ops, /* target operations */
SERIAL_1_STOPBITS, /* number of stop bits */
est_regnames, /* registers names */
MONITOR_OPS_MAGIC /* magic */
};
static void
est_open(args, from_tty)
char *args;
int from_tty;
{
monitor_open (args, &est_cmds, from_tty);
}
void
_initialize_est ()
{
init_monitor_ops (&est_ops);
est_ops.to_shortname = "est";
est_ops.to_longname = "EST background debug monitor";
est_ops.to_doc = "Debug via the EST BDM.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
est_ops.to_open = est_open;
add_target (&est_ops);
}
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