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/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
Copyright 1995,1999 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Steve Chamberlain
(sac@cygnus.com).
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"
static void hms_open (char *args, int from_tty);
static void
hms_supply_register (char *regname, int regnamelen, char *val, int vallen)
{
int regno;
if (regnamelen != 2)
return;
if (regname[0] != 'P')
return;
/* We scan off all the registers in one go */
val = monitor_supply_register (PC_REGNUM, val);
/* Skip the ccr string */
while (*val != '=' && *val)
val++;
val = monitor_supply_register (CCR_REGNUM, val + 1);
/* Skip up to rest of regs */
while (*val != '=' && *val)
val++;
for (regno = 0; regno < 7; regno++)
{
val = monitor_supply_register (regno, val + 1);
}
}
/*
* 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 *hms_regnames[NUM_REGS] =
{
"R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "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 hms_ops;
static char *hms_inits[] =
{"\003", /* Resets the prompt, and clears repeated cmds */
NULL};
static struct monitor_ops hms_cmds;
static void
init_hms_cmds (void)
{
hms_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE;
hms_cmds.init = hms_inits; /* Init strings */
hms_cmds.cont = "g\r"; /* continue command */
hms_cmds.step = "s\r"; /* single step */
hms_cmds.stop = "\003"; /* ^C interrupts the program */
hms_cmds.set_break = "b %x\r"; /* set a breakpoint */
hms_cmds.clr_break = "b - %x\r"; /* clear a breakpoint */
hms_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */
hms_cmds.fill = "f %x %x %x\r"; /* fill (start end val) */
hms_cmds.setmem.cmdb = "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */
hms_cmds.setmem.cmdw = "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */
hms_cmds.setmem.cmdl = NULL; /* setmem.cmdl (addr, value) */
hms_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
hms_cmds.setmem.resp_delim = NULL; /* setreg.resp_delim */
hms_cmds.setmem.term = NULL; /* setreg.term */
hms_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
hms_cmds.getmem.cmdb = "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */
hms_cmds.getmem.cmdw = "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */
hms_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, addr) */
hms_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, addr) */
hms_cmds.getmem.resp_delim = ": "; /* getmem.resp_delim */
hms_cmds.getmem.term = ">"; /* getmem.term */
hms_cmds.getmem.term_cmd = "\003"; /* getmem.term_cmd */
hms_cmds.setreg.cmd = "r %s=%x\r"; /* setreg.cmd (name, value) */
hms_cmds.setreg.resp_delim = NULL; /* setreg.resp_delim */
hms_cmds.setreg.term = NULL; /* setreg.term */
hms_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
hms_cmds.getreg.cmd = "r %s\r"; /* getreg.cmd (name) */
hms_cmds.getreg.resp_delim = " ("; /* getreg.resp_delim */
hms_cmds.getreg.term = ":"; /* getreg.term */
hms_cmds.getreg.term_cmd = "\003"; /* getreg.term_cmd */
hms_cmds.dump_registers = "r\r"; /* dump_registers */
hms_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
hms_cmds.supply_register = hms_supply_register; /* supply_register */
hms_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
hms_cmds.load = "tl\r"; /* download command */
hms_cmds.loadresp = NULL; /* load response */
hms_cmds.prompt = ">"; /* monitor command prompt */
hms_cmds.line_term = "\r"; /* end-of-command delimitor */
hms_cmds.cmd_end = NULL; /* optional command terminator */
hms_cmds.target = &hms_ops; /* target operations */
hms_cmds.stopbits = SERIAL_1_STOPBITS; /* number of stop bits */
hms_cmds.regnames = hms_regnames; /* registers names */
hms_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
} /* init_hms-cmds */
static void
hms_open (char *args, int from_tty)
{
monitor_open (args, &hms_cmds, from_tty);
}
int write_dos_tick_delay;
void
_initialize_remote_hms (void)
{
init_hms_cmds ();
init_monitor_ops (&hms_ops);
hms_ops.to_shortname = "hms";
hms_ops.to_longname = "Hitachi Microsystems H8/300 debug monitor";
hms_ops.to_doc = "Debug via the HMS monitor.\n\
Specify the serial device it is connected to (e.g. /dev/ttya).";
hms_ops.to_open = hms_open;
/* By trial and error I've found that this delay doesn't break things */
write_dos_tick_delay = 1;
add_target (&hms_ops);
}
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