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/* Remote debugging interface for EST-300 ICE, for GDB
Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001
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., 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"
#include "regcache.h"
static void est_open (char *args, int from_tty);
static void
est_supply_register (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 const char *
est_regname (int index)
{
static char *regnames[] =
{
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
"A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
"SR", "PC",
};
if ((index >= (sizeof (regnames) / sizeof (regnames[0])))
|| (index < 0) || (index >= NUM_REGS))
return NULL;
else
return regnames[index];
}
/*
* 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;
static void
init_est_cmds (void)
{
est_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_NEED_REGDUMP_AFTER_CONT |
MO_SREC_ACK | MO_SREC_ACK_PLUS;
est_cmds.init = est_inits; /* Init strings */
est_cmds.cont = "go\r"; /* continue command */
est_cmds.step = "sidr\r"; /* single step */
est_cmds.stop = "\003"; /* ^C interrupts the program */
est_cmds.set_break = "sb %x\r"; /* set a breakpoint */
est_cmds.clr_break = "rb %x\r"; /* clear a breakpoint */
est_cmds.clr_all_break = "rb\r"; /* clear all breakpoints */
est_cmds.fill = "bfb %x %x %x\r"; /* fill (start end val) */
est_cmds.setmem.cmdb = "smb %x %x\r"; /* setmem.cmdb (addr, value) */
est_cmds.setmem.cmdw = "smw %x %x\r"; /* setmem.cmdw (addr, value) */
est_cmds.setmem.cmdl = "sml %x %x\r"; /* setmem.cmdl (addr, value) */
est_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
est_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
est_cmds.setmem.term = NULL; /* setreg.term */
est_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
est_cmds.getmem.cmdb = "dmb %x %x\r"; /* getmem.cmdb (addr, len) */
est_cmds.getmem.cmdw = "dmw %x %x\r"; /* getmem.cmdw (addr, len) */
est_cmds.getmem.cmdl = "dml %x %x\r"; /* getmem.cmdl (addr, len) */
est_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, len) */
est_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
est_cmds.getmem.term = NULL; /* getmem.term */
est_cmds.getmem.term_cmd = NULL; /* getmem.term_cmd */
est_cmds.setreg.cmd = "sr %s %x\r"; /* setreg.cmd (name, value) */
est_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
est_cmds.setreg.term = NULL; /* setreg.term */
est_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
est_cmds.getreg.cmd = "dr %s\r"; /* getreg.cmd (name) */
est_cmds.getreg.resp_delim = " = "; /* getreg.resp_delim */
est_cmds.getreg.term = NULL; /* getreg.term */
est_cmds.getreg.term_cmd = NULL; /* getreg.term_cmd */
est_cmds.dump_registers = "dr\r"; /* dump_registers */
est_cmds.register_pattern = "\\(\\w+\\) = \\([0-9a-fA-F]+\\)"; /* register_pattern */
est_cmds.supply_register = est_supply_register; /* supply_register */
est_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
est_cmds.load = "dl\r"; /* download command */
est_cmds.loadresp = "+"; /* load response */
est_cmds.prompt = ">BKM>"; /* monitor command prompt */
est_cmds.line_term = "\r"; /* end-of-line terminator */
est_cmds.cmd_end = NULL; /* optional command terminator */
est_cmds.target = &est_ops; /* target operations */
est_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
est_cmds.regnames = NULL;
est_cmds.regname = est_regname; /*register names*/
est_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
} /* init_est_cmds */
static void
est_open (char *args, int from_tty)
{
monitor_open (args, &est_cmds, from_tty);
}
void
_initialize_est (void)
{
init_est_cmds ();
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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