187 lines
6.1 KiB
C
187 lines
6.1 KiB
C
/* Remote debugging interface for EST-300 ICE, for GDB
|
|
Copyright (C) 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., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
#include "defs.h"
|
|
#include "gdbcore.h"
|
|
#include "target.h"
|
|
#include "monitor.h"
|
|
#include "serial.h"
|
|
#include "regcache.h"
|
|
|
|
#include "m68k-tdep.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' + M68K_D0_REGNUM;
|
|
break;
|
|
case 'A':
|
|
if (regname[1] < '0' || regname[1] > '7')
|
|
return;
|
|
regno = regname[1] - '0' + M68K_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;
|
|
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);
|
|
}
|
|
|
|
extern initialize_file_ftype _initialize_est; /* -Wmissing-prototypes */
|
|
|
|
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);
|
|
}
|