-/* Remote debugging interface for HMS Monitor Version 1.0
+/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
+ Copyright 1995 Free Software Foundation, Inc.
+ Contributed by Cygnus Support. Written by Steve Chamberlain
+ (sac@cygnus.com).
- Copyright 1992 Free Software Foundation, Inc.
+ This file is part of GDB.
- Contributed by Steve Chamberlain sac@cygnus.com
+ 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.
-This file is part of GDB.
+ 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. */
-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.
+#include "defs.h"
+#include "gdbcore.h"
+#include "target.h"
+#include "monitor.h"
+#include "serial.h"
+
+static void hms_open PARAMS ((char *args, int from_tty));
+
+static void
+hms_supply_register (regname, regnamelen, val, vallen)
+ 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 =
+{
+ MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE,
+ hms_inits, /* Init strings */
+ "g\r", /* continue command */
+ "s\r", /* single step */
+ "\003", /* ^C interrupts the program */
+ "b %x\r", /* set a breakpoint */
+ "b - %x\r", /* clear a breakpoint */
+ "b -\r", /* clear all breakpoints */
+ "f %x %x %x\r", /* fill (start end val) */
+ {
+ "m.b %x=%x\r", /* setmem.cmdb (addr, value) */
+ "m.w %x=%x\r", /* setmem.cmdw (addr, value) */
+ NULL, /* setmem.cmdl (addr, value) */
+ NULL, /* setmem.cmdll (addr, value) */
+ NULL, /* setreg.resp_delim */
+ NULL, /* setreg.term */
+ NULL, /* setreg.term_cmd */
+ },
+ {
+ "m.b %x %x\r", /* getmem.cmdb (addr, addr) */
+ "m.w %x %x\r", /* getmem.cmdw (addr, addr) */
+ NULL, /* getmem.cmdl (addr, addr) */
+ NULL, /* getmem.cmdll (addr, addr) */
+ ": ", /* getmem.resp_delim */
+ ">", /* getmem.term */
+ "\003", /* getmem.term_cmd */
+ },
+ {
+ "r %s=%x\r", /* setreg.cmd (name, value) */
+ NULL, /* setreg.resp_delim */
+ NULL, /* setreg.term */
+ NULL /* setreg.term_cmd */
+ },
+ {
+ "r %s\r", /* getreg.cmd (name) */
+ " (", /* getreg.resp_delim */
+ ":", /* getreg.term */
+ "\003", /* getreg.term_cmd */
+ },
+ "r\r", /* dump_registers */
+ "\\(\\w+\\)=\\([0-9a-fA-F]+\\)", /* register_pattern */
+ hms_supply_register, /* supply_register */
+ NULL, /* load_routine (defaults to SRECs) */
+ "tl\r", /* download command */
+ NULL, /* load response */
+ ">", /* monitor command prompt */
+ "\r", /* end-of-command delimitor */
+ NULL, /* optional command terminator */
+ &hms_ops, /* target operations */
+ SERIAL_1_STOPBITS, /* number of stop bits */
+ hms_regnames, /* registers names */
+ MONITOR_OPS_MAGIC /* magic */
+};
-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.
+static void
+hms_open (args, from_tty)
+ char *args;
+ int from_tty;
+{
+ monitor_open (args, &hms_cmds, from_tty);
+}
-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. */
+int write_dos_tick_delay;
+void
+_initialize_remote_hms ()
+{
+ 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);
+}
-#include <stdio.h>
-#include <string.h>
+#if 0
+/* This is kept here because we used to support the H8/500 in this module,
+ and I haven't done the H8/500 yet */
#include "defs.h"
#include "inferior.h"
#include "wait.h"
#include "value.h"
+#include "gdb_string.h"
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
#include "terminal.h"
#include "target.h"
#include "gdbcore.h"
-
+#include "serial.h"
+#include "remote-utils.h"
/* External data declarations */
-extern int stop_soon_quietly; /* for wait_for_inferior */
-
-/* External function declarations */
-extern struct value *call_function_by_hand();
+extern int stop_soon_quietly; /* for wait_for_inferior */
/* Forward data declarations */
-extern struct target_ops hms_ops; /* Forward declaration */
+extern struct target_ops hms_ops; /* Forward declaration */
/* Forward function declarations */
static void hms_fetch_registers ();
-static int hms_store_registers ();
+static int hms_store_registers ();
static void hms_close ();
-static int hms_clear_breakpoints();
+static int hms_clear_breakpoints ();
extern struct target_ops hms_ops;
+static void hms_drain ();
+static void add_commands ();
+static void remove_commands ();
-#define DEBUG
-#ifdef DEBUG
-# define DENTER(NAME) (printf_filtered("Entering %s\n",NAME), fflush(stdout))
-# define DEXIT(NAME) (printf_filtered("Exiting %s\n",NAME), fflush(stdout))
-#else
-# define DENTER(NAME)
-# define DEXIT(NAME)
-#endif
+static int quiet = 1; /* FIXME - can be removed after Dec '94 */
-static int timeout = 5;
-static char *dev_name = "/dev/ttya";
+/***********************************************************************
+ * I/O stuff stolen from remote-eb.c
+ ***********************************************************************/
+static int timeout = 2;
-static int quiet;
+static const char *dev_name;
/* Descriptor for I/O to remote machine. Initialize it to -1 so that
hms_open knows that we don't have a file open when the program
starts. */
-int hms_desc = -1;
-#define OPEN(x) ((x) >= 0)
+static int before = 0xdead;
+static int is_open = 0;
+static int after = 0xdead;
+int
+check_open ()
+{
+ if (before != 0xdead
+ || after != 0xdead)
+ printf ("OUTCH! \n");
+ if (!is_open)
+ {
+ error ("remote device not open");
+ }
+}
#define ON 1
#define OFF 0
-static void
-rawmode(desc, turnon)
-int desc;
-int turnon;
+
+/* Read a character from the remote system, doing all the fancy
+ timeout stuff. */
+static int
+readchar ()
{
- TERMINAL sg;
+ int buf;
- if (desc < 0)
- return;
+ buf = SERIAL_READCHAR (desc, timeout);
+
+ if (buf == SERIAL_TIMEOUT)
+ {
+ hms_write (".\r\n", 3);
+ error ("Timeout reading from remote system.");
+ }
+ if (buf == SERIAL_ERROR)
+ {
+ error ("Serial port error!");
+ }
- ioctl (desc, TIOCGETP, &sg);
+ if (!quiet || remote_debug)
+ printf_unfiltered ("%c", buf);
- if (turnon) {
-#ifdef HAVE_TERMIO
- sg.c_lflag &= ~(ICANON);
-#else
- sg.sg_flags |= RAW;
-#endif
- } else {
-#ifdef HAVE_TERMIO
- sg.c_lflag |= ICANON;
-#else
- sg.sg_flags &= ~(RAW);
-#endif
- }
- ioctl (desc, TIOCSETP, &sg);
+ return buf & 0x7f;
}
-/* Suck up all the input from the hms */
-slurp_input()
+static void
+flush ()
{
- char buf[8];
-
-#ifdef HAVE_TERMIO
- /* termio does the timeout for us. */
- while (read (hms_desc, buf, 8) > 0);
-#else
- alarm (timeout);
- while (read (hms_desc, buf, 8) > 0);
- alarm (0);
-#endif
+ while (1)
+ {
+ int b = SERIAL_READCHAR (desc, 0);
+ if (b == SERIAL_TIMEOUT)
+ return;
+ }
}
-/* Read a character from the remote system, doing all the fancy
- timeout stuff. */
static int
-readchar ()
+readchar_nofail ()
{
- char buf;
-
- buf = '\0';
-#ifdef HAVE_TERMIO
- /* termio does the timeout for us. */
- read (hms_desc, &buf, 1);
-#else
- alarm (timeout);
- if (read (hms_desc, &buf, 1) < 0)
- {
- if (errno == EINTR)
- error ("Timeout reading from remote system.");
- else
- perror_with_name ("remote");
- }
- alarm (0);
-#endif
+ int buf;
- if (buf == '\0')
- error ("Timeout reading from remote system.");
+ buf = SERIAL_READCHAR (desc, timeout);
+ if (buf == SERIAL_TIMEOUT)
+ buf = 0;
+ if (!quiet || remote_debug)
+ printf_unfiltered ("%c", buf);
-if (!quiet)
- printf("'%c'",buf);
-
return buf & 0x7f;
+
}
-/* Keep discarding input from the remote system, until STRING is found.
+/* Keep discarding input from the remote system, until STRING is found.
Let the user break out immediately. */
static void
expect (string)
char *string;
{
char *p = string;
-
-
+ char c;
immediate_quit = 1;
while (1)
{
- if (readchar() == *p)
+ c = readchar ();
+ if (c == *p)
{
p++;
if (*p == '\0')
}
}
else
- p = string;
+ {
+ p = string;
+ if (c == *p)
+ p++;
+ }
}
}
static void
expect_prompt ()
{
-
expect ("HMS>");
}
int ignore_space;
{
int ch;
+
while (1)
{
ch = readchar ();
}
/* Read a 32-bit hex word from the hms, preceded by a space */
-static long
-get_hex_word()
+static long
+get_hex_word ()
{
long val;
int j;
-
+
val = 0;
for (j = 0; j < 8; j++)
- val = (val << 4) + get_hex_digit (j == 0);
+ val = (val << 4) + get_hex_digit (j == 0);
return val;
}
-/* Called when SIGALRM signal sent due to alarm() timeout. */
-#ifndef HAVE_TERMIO
-
-#ifndef __STDC__
-# ifndef volatile
-# define volatile /**/
-# endif
-#endif
-volatile int n_alarms;
-
-void
-hms_timer ()
-{
-#if 0
- if (kiodebug)
- printf ("hms_timer called\n");
-#endif
- n_alarms++;
-}
-#endif
-/* malloc'd name of the program on the remote system. */
-static char *prog_name = NULL;
+/* Called when SIGALRM signal sent due to alarm() timeout. */
/* Number of SIGTRAPs we need to simulate. That is, the next
NEED_ARTIFICIAL_TRAP calls to hms_wait should just return
static int need_artificial_trap = 0;
void
-hms_kill(arg,from_tty)
-char *arg;
-int from_tty;
-{
-#if 0
- DENTER("hms_kill()");
- fprintf (hms_stream, "K");
-
- fprintf (hms_stream, "\r");
- expect_prompt ();
- DEXIT("hms_kill()");
-#endif
-}
-/*
- * Download a file specified in 'args', to the hms.
- */
-static void
-hms_load(args,fromtty)
-char *args;
-int fromtty;
+hms_kill (arg, from_tty)
+ char *arg;
+ int from_tty;
{
- bfd *abfd;
- asection *s;
- int n;
- char buffer[1024];
-
- DENTER("hms_load()");
- if (!OPEN(hms_desc))
- {
- printf_filtered("HMS not open. Use 'target' command to open HMS\n");
- return;
- }
- abfd = bfd_openr(args,"coff-h8300");
- if (!abfd)
- {
- printf_filtered("Can't open a bfd on file\n");
- return;
- }
-
- if (bfd_check_format(abfd, bfd_object) ==0)
- {
- printf_filtered("File is not an object file\n");
- return ;
- }
-
- s = abfd->sections;
- while (s != (asection *)NULL)
- {
- if (s->flags & SEC_LOAD)
- {
- char *buffer = xmalloc(s->_raw_size);
- bfd_get_section_contents(abfd, s, buffer, 0, s->_raw_size);
- hms_write_inferior_memory(s->vma, buffer, s->_raw_size);
- free(buffer);
- }
- s = s->next;
- }
-
- DEXIT("hms_load()");
}
/* This is called not only when we first attach, but also when the
char **env;
{
int entry_pt;
-
- DENTER("hms_create_inferior()");
+ char buffer[100];
if (args && *args)
- error ("Can't pass arguments to remote hms process.");
+ error ("Can't pass arguments to remote hms process.");
if (execfile == 0 || exec_bfd == 0)
- error ("No exec file specified");
+ error ("No exec file specified");
entry_pt = (int) bfd_get_start_address (exec_bfd);
+ check_open ();
- if (OPEN(hms_desc))
- {
-
- hms_kill(NULL,NULL);
- hms_clear_breakpoints();
- init_wait_for_inferior ();
- /* Clear the input because what the hms sends back is different
- * depending on whether it was running or not.
- */
- /* slurp_input(); /* After this there should be a prompt */
- hms_write_cr("r");
-
- expect_prompt();
- printf_filtered("Do you want to download '%s' (y/n)? [y] : ",prog_name);
- {
- char buffer[10];
- gets(buffer);
- if (*buffer != 'n') {
- hms_load(prog_name,0);
- }
- }
-
-
- insert_breakpoints (); /* Needed to get correct instruction in cache */
- proceed(entry_pt, -1, 0);
-
-
- } else
- {
- printf_filtered("Hms not open yet.\n");
- }
- DEXIT("hms_create_inferior()");
-}
-
-/* Translate baud rates from integers to damn B_codes. Unix should
- have outgrown this crap years ago, but even POSIX wouldn't buck it. */
-
-#ifndef B19200
-#define B19200 EXTA
-#endif
-#ifndef B38400
-#define B38400 EXTB
-#endif
-
-static struct {int rate, damn_b;} baudtab[] = {
- {0, B0},
- {50, B50},
- {75, B75},
- {110, B110},
- {134, B134},
- {150, B150},
- {200, B200},
- {300, B300},
- {600, B600},
- {1200, B1200},
- {1800, B1800},
- {2400, B2400},
- {4800, B4800},
- {9600, B9600},
- {19200, B19200},
- {38400, B38400},
- {-1, -1},
-};
-
-static int damn_b (rate)
- int rate;
-{
- int i;
+ hms_kill (NULL, NULL);
+ hms_clear_breakpoints ();
+ init_wait_for_inferior ();
+ hms_write_cr ("");
+ expect_prompt ();
- for (i = 0; baudtab[i].rate != -1; i++)
- if (rate == baudtab[i].rate) return baudtab[i].damn_b;
- return B38400; /* Random */
+ insert_breakpoints (); /* Needed to get correct instruction in cache */
+ proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0);
}
-
/* Open a connection to a remote debugger.
NAME is the filename used for communication, then a space,
then the baud rate.
*/
static char *
-find_end_of_word(s)
-char *s;
+find_end_of_word (s)
+ char *s;
{
- while (*s && !isspace(*s))
- s++;
+ while (*s && !isspace (*s))
+ s++;
return s;
}
-static char *get_word(p)
-char **p;
+static char *
+get_word (p)
+ char **p;
{
char *s = *p;
- char *word ;
+ char *word;
char *copy;
size_t len;
- while (isspace(*s))
- s++;
+ while (isspace (*s))
+ s++;
word = s;
len = 0;
- while (*s && !isspace(*s))
- {
- s++;
- len++;
-
- }
- copy = xmalloc(len+1);
- memcpy(copy, word, len);
+ while (*s && !isspace (*s))
+ {
+ s++;
+ len++;
+
+ }
+ copy = xmalloc (len + 1);
+ memcpy (copy, word, len);
copy[len] = 0;
*p = s;
return copy;
}
static int baudrate = 9600;
-static void
-hms_open (name, from_tty)
- char *name;
- int from_tty;
-{
- TERMINAL sg;
- unsigned int prl;
- char *p;
-
- DENTER("hms_open()");
- if(name == 0)
- {
- name = "";
-
- }
-
- printf("Input string %s\n", name);
-
- prog_name = get_word(&name);
-
- hms_close (0);
-
- hms_desc = open (dev_name, O_RDWR);
- if (hms_desc < 0)
- perror_with_name (dev_name);
- ioctl (hms_desc, TIOCGETP, &sg);
-#ifdef HAVE_TERMIO
- sg.c_cc[VMIN] = 0; /* read with timeout. */
- sg.c_cc[VTIME] = timeout * 10;
- sg.c_lflag &= ~(ICANON | ECHO);
- sg.c_cflag = (sg.c_cflag & ~CBAUD) | damn_b (baudrate);
-#else
- sg.sg_ispeed = damn_b (baudrate);
- sg.sg_ospeed = damn_b (baudrate);
- sg.sg_flags |= RAW | ANYP;
- sg.sg_flags &= ~ECHO;
-#endif
-
- ioctl (hms_desc, TIOCSETP, &sg);
-
-
- push_target (&hms_ops);
- /* start_remote (); /* Initialize gdb process mechanisms */
+static int
+is_baudrate_right ()
+{
+ int ok;
-#ifndef HAVE_TERMIO
-#ifndef NO_SIGINTERRUPT
- /* Cause SIGALRM's to make reads fail with EINTR instead of resuming
- the read. */
- if (siginterrupt (SIGALRM, 1) != 0)
- perror ("hms_open: error in siginterrupt");
-#endif
+ /* Put this port into NORMAL mode, send the 'normal' character */
- /* Set up read timeout timer. */
- if ((void (*)) signal (SIGALRM, hms_timer) == (void (*)) -1)
- perror ("hms_open: error in signal");
-#endif
+ hms_write ("\001", 1); /* Control A */
+ hms_write ("\r\n", 2); /* Cr */
+ while (1)
+ {
+ ok = SERIAL_READCHAR (desc, timeout);
+ if (ok < 0)
+ break;
+ }
- /* Put this port into NORMAL mode, send the 'normal' character */
- hms_write("\001", 1); /* Control A */
- hms_write("\r", 1); /* Cr */
- expect_prompt ();
-
- /* Hello? Are you there? */
- write (hms_desc, "\r", 1);
-
- expect_prompt ();
+ hms_write ("r", 1);
- /* Clear any break points */
- hms_clear_breakpoints();
+ if (readchar_nofail () == 'r')
+ return 1;
+ /* Not the right baudrate, or the board's not on */
+ return 0;
+}
+static void
+set_rate ()
+{
+ if (!SERIAL_SETBAUDRATE (desc, baudrate))
+ error ("Can't set baudrate");
+}
- printf_filtered("Remote debugging on an H8/300 HMS via %s %s.\n",dev_name,prog_name);
- DEXIT("hms_open()");
-}
/* Close out all files and local state before this target loses control. */
hms_close (quitting)
int quitting;
{
-
- DENTER("hms_close()");
-
/* Clear any break points */
- hms_clear_breakpoints();
-
- /* Put this port back into REMOTE mode */
- if (OPEN(hms_desc)) {
-
- sleep(1); /* Let any output make it all the way back */
- write(hms_desc, "R\r", 2);
- }
-
- /* Due to a bug in Unix, fclose closes not only the stdio stream,
- but also the file descriptor. So we don't actually close
- hms_desc. */
- if (OPEN(hms_desc))
- close (hms_desc);
-
- /* Do not try to close hms_desc again, later in the program. */
-
- hms_desc = -1;
-
- DEXIT("hms_close()");
+ remove_commands ();
+ hms_clear_breakpoints ();
+ sleep (1); /* Let any output make it all the way back */
+ if (is_open)
+ {
+ SERIAL_WRITE (desc, "R\r\n", 3);
+ SERIAL_CLOSE (desc);
+ }
+ is_open = 0;
}
-/* Attach to the target that is already loaded and possibly running */
-static void
-hms_attach (args, from_tty)
+/* Terminate the open connection to the remote debugger. Use this
+ when you want to detach and do something else with your gdb. */ void
+hms_detach (args, from_tty)
char *args;
int from_tty;
{
+ if (is_open)
+ {
+ hms_clear_breakpoints ();
+ }
- DENTER("hms_attach()");
+ pop_target (); /* calls hms_close to do the real work
+ */
if (from_tty)
- printf_filtered ("Attaching to remote program %s.\n", prog_name);
-
- /* push_target(&hms_ops); /* This done in hms_open() */
-
- mark_breakpoints_out ();
-
- /* Send the hms a kill. It is ok if it is not already running */
-#if 0
- fprintf(hms_stream, "K\r");
- expect_prompt(); /* Slurp the echo */
-#endif
- /* We will get a task spawn event immediately. */
- init_wait_for_inferior ();
- clear_proceed_status ();
- stop_soon_quietly = 1;
- wait_for_inferior ();
- stop_soon_quietly = 0;
- normal_stop ();
- DEXIT("hms_attach()");
+ printf_filtered ("Ending remote %s debugging\n",
+ target_shortname);
}
-
-/* Terminate the open connection to the remote debugger.
- Use this when you want to detach and do something else
- with your gdb. */
-void
-hms_detach (args,from_tty)
- char *args;
- int from_tty;
-{
- DENTER("hms_detach()");
- if (OPEN(hms_desc)) { /* Send it on its way (tell it to continue) */
- hms_clear_breakpoints();
-#if 0
- fprintf(hms_stream,"G\r");
-#endif
- }
-
- pop_target(); /* calls hms_close to do the real work */
- if (from_tty)
- printf_filtered ("Ending remote %s debugging\n", target_shortname);
- DEXIT("hms_detach()");
-}
-
/* Tell the remote machine to resume. */
void
-hms_resume (step, sig)
- int step, sig;
+hms_resume (pid, step, sig)
+ int pid, step;
+ enum target_signal
+ sig;
{
- DENTER("hms_resume()");
- if (step)
- {
- hms_write_cr("s");
-
- hms_write("\003",1);
- expect_prompt();
- /* Force the next hms_wait to return a trap. Not doing anything
- about I/O from the target means that the user has to type
- "continue" to see any. FIXME, this should be fixed. */
- need_artificial_trap = 1;
- }
+ if (step)
+ {
+ hms_write_cr ("s");
+ expect ("Step>");
+
+ /* Force the next hms_wait to return a trap. Not doing anything
+ about I/O from the target means that the user has to type "continue"
+ to see any. FIXME, this should be fixed. */
+ need_artificial_trap = 1;
+ }
else
- {
- hms_write_cr("g");
- expect("g\r");
- }
- DEXIT("hms_resume()");
+ {
+ hms_write_cr ("g");
+ expect ("g");
+ }
}
-/* Wait until the remote machine stops, then return,
- storing status in STATUS just as `wait' would. */
+/* Wait until the remote machine stops, then return, storing status in
+ STATUS just as `wait' would. */
int
-hms_wait (status)
- WAITTYPE *status;
+hms_wait (pid, status)
+ int pid;
+ struct target_waitstatus *status;
{
- /* Strings to look for. '?' means match any single character.
- Note that with the algorithm we use, the initial character
- of the string cannot recur in the string, or we will not
- find some cases of the string in the input. */
-
+ /* Strings to look for. '?' means match any single character. Note
+ that with the algorithm we use, the initial character of the string
+ cannot recur in the string, or we will not find some cases of the
+ string in the input. */
+
static char bpt[] = "At breakpoint:";
- /* It would be tempting to look for "\n[__exit + 0x8]\n"
- but that requires loading symbols with "yc i" and even if
- we did do that we don't know that the file has symbols. */
+
+ /* It would be tempting to look for "\n[__exit + 0x8]\n" but that
+ requires loading symbols with "yc i" and even if we did do that we
+ don't know that the file has symbols. */
static char exitmsg[] = "HMS>";
char *bp = bpt;
char *ep = exitmsg;
- /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */
+ /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars.
+ */
char swallowed[50];
+
/* Current position in swallowed. */
char *swallowed_p = swallowed;
int ch;
int ch_handled;
int old_timeout = timeout;
- int old_immediate_quit = immediate_quit;
-
- DENTER("hms_wait()");
+ int
+ old_immediate_quit = immediate_quit;
+ int swallowed_cr = 0;
- WSETEXIT ((*status), 0);
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer = 0;
if (need_artificial_trap != 0)
{
- WSETSTOP ((*status), SIGTRAP);
+ status->kind =
+ TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
need_artificial_trap--;
return 0;
}
- timeout = 0; /* Don't time out -- user program is running. */
- immediate_quit = 1; /* Helps ability to QUIT */
- while (1) {
- QUIT; /* Let user quit and leave process running */
+ timeout = 5; /* Don't time out for a while - user program is running.
+ */
+ immediate_quit = 1; /* Helps ability to QUIT */
+ while (1)
+ {
+ QUIT; /* Let user quit and leave process running */
ch_handled = 0;
ch = readchar ();
- if (ch == *bp) {
+ if (ch == *bp)
+ {
bp++;
if (*bp == '\0')
break;
ch_handled = 1;
*swallowed_p++ = ch;
- } else
- bp = bpt;
- if (ch == *ep || *ep == '?') {
+ }
+ else
+ {
+ bp = bpt;
+ }
+ if
+ (ch == *ep || *ep == '?')
+ {
ep++;
if (*ep == '\0')
break;
if (!ch_handled)
*swallowed_p++ = ch;
- ch_handled = 1;
- }, sal.line);
-d979 3
- if (!ch_handled) {
+ ch_handled =
+ 1;
+ }
+ else
+ {
+ ep = exitmsg;
+ }
+
+ if (!ch_handled)
+ {
char *p;
+
/* Print out any characters which have been swallowed. */
for (p = swallowed; p < swallowed_p; ++p)
- putc (*p, stdout);
+ putchar_unfiltered (*p);
swallowed_p = swallowed;
-
- if ((ch != '\r' && ch != '\n') || swallowed_cr>10)
- {
- putc (ch, stdout);
- swallowed_cr = 10;
- }
- swallowed_cr ++;
-
+ if ((ch != '\r' && ch != '\n') || swallowed_cr > 10)
+ {
+ putchar_unfiltered (ch);
+ swallowed_cr = 10;
+ }
+ swallowed_cr++;
+
}
}
- if (*bp== '\0')
- {
- WSETSTOP ((*status), SIGTRAP);
- expect_prompt();
- }
- else
- {
- WSETEXIT ((*status), 0);
- }
-
+ if (*bp == '\0')
+ {
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
+ expect_prompt ();
+ }
+ else
+ {
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer =
+ TARGET_SIGNAL_STOP;
+ }
+
timeout = old_timeout;
immediate_quit = old_immediate_quit;
- printf ("%s is at %s:%d.\n",
- local_hex_string(sal.pc),
- sal.symtab->filename, sal.line);
- DEXIT("hms_wait()");
- return 0;
+ return
+ 0;
}
-/* Return the name of register number REGNO
- in the form input and output by hms.
+/* Return the name of register number REGNO in the form input and
+ output by hms.
Returns a pointer to a static buffer containing the answer. */
static char *
get_reg_name (regno)
int regno;
{
-static char *rn[NUM_REGS]= REGISTER_NAMES;
-
+ static char *rn[] =
+ REGISTER_NAMES;
return rn[regno];
-
}
/* Read the remote registers. */
-static int gethex(length, start, ok)
-unsigned int length;
-char *start;
-int *ok;
+
+static int
+gethex (length, start, ok)
+ unsigned int length;
+ char *start;
+ int *ok;
{
int result = 0;
- while (length--)
- {
- result <<= 4 ;
- if (*start >='a' && *start <= 'f')
- {
- result += *start - 'a' + 10;
- }
- else if (*start >='A' && *start <= 'F')
- {
- result += *start - 'A' + 10;
- }
- else if (*start >='0' && *start <= '9')
+
+ while (length--)
{
- result += *start - '0' ;
+ result <<= 4;
+ if (*start >= 'a' && *start <= 'f')
+ {
+ result += *start - 'a' + 10;
+ }
+ else if (*start >= 'A' &&
+ *start <= 'F')
+ {
+ result += *start - 'A' + 10;
+ }
+ else if
+ (*start >= '0' && *start <= '9')
+ {
+ result += *start - '0';
+ }
+ else
+ *ok = 0;
+ start++;
+
}
- else *ok = 0;
- start++;
-
- }
return result;
}
-static int
-timed_read(buf, n, timeout)
-char *buf;
+static int
+timed_read (buf, n, timeout)
+ char
+ *buf;
{
int i;
char c;
+
i = 0;
- while (i < n)
- {
- c = readchar();
-
- if (c == 0) return i;
- buf[i] = c;
- i++;
-
- }
- return i;
+ while (i < n)
+ {
+ c = readchar ();
+
+ if (c == 0)
+ return i;
+ buf[i] = c;
+ i++;
+ }
+ return i;
}
-hms_write(a,l)
-char *a;
+
+hms_write (a, l)
+ char *a;
{
int i;
- write(hms_desc,a,l);
-if (!quiet)
- for (i = 0; i < l ; i++)
- {
- printf("%c", a[i]);
- }
+
+ SERIAL_WRITE (desc, a, l);
+
+ if (!quiet || remote_debug)
+ {
+ printf_unfiltered ("<");
+ for (i = 0; i < l; i++)
+ {
+ printf_unfiltered ("%c", a[i]);
+ }
+ printf_unfiltered (">");
+ }
}
- printf ("Line %d of \"%s\" is at pc %s but contains no code.\n",
- sal.line, sal.symtab->filename, local_hex_string(start_pc));
+hms_write_cr (s)
+ char *s;
{
-hms_write( s, strlen(s));
- printf ("Line %d of \"%s\" starts at pc %s",
- sal.line, sal.symtab->filename,
- local_hex_string(start_pc));
- printf (" and ends at %s.\n",
- local_hex_string(end_pc));
+ hms_write (s, strlen (s));
+ hms_write ("\r\n", 2);
+}
+
+#ifdef GDB_TARGET_IS_H8500
+
+/* H8/500 monitor reg dump looks like:
+
+ HMS>r
+ PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00
+ R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE
+ HMS>
+
+
+ */
+
+supply_val (n, size, ptr, segptr)
+ int n;
+ int size;
+ char *ptr;
+ char *segptr;
{
-#define REGREPLY_SIZE 79
- char linebuf[REGREPLY_SIZE+1];
- int i;
- int s ;
- int gottok;
-
- printf ("Line number %d is out of range for \"%s\".\n",
- sal.line, sal.symtab->filename);
- check_open();
-
- do
- {
-
- hms_write_cr("r");
- s = timed_read(linebuf, REGREPLY_SIZE, 1);
-
-
- linebuf[REGREPLY_SIZE] = 0;
- gottok = 0;
- if (linebuf[0] == 'r' &&
- linebuf[1] == '\r' &&
- linebuf[2] == '\n' &&
- linebuf[3] == 'P' &&
- linebuf[4] == 'C' &&
- linebuf[5] == '=' &&
- linebuf[75] == 'H' &&
- linebuf[76] == 'M' &&
- linebuf[77] == 'S')
+ int ok;
+ char raw[4];
+ switch (size)
{
- /*
- PC=XXXX CCR=XX:XXXXXXXX R0-R7= XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX
- 5436789012345678901234567890123456789012345678901234567890123456789012
- 0 1 2 3 4 5 6
- */
- gottok = 1;
-
- reg[PC_REGNUM] = gethex(4,linebuf+6, &gottok);
- reg[CCR_REGNUM] = gethex(2,linebuf+15, &gottok);
- for (i = 0; i < 8; i++)
+ case 2:
+ raw[0] = gethex (2, ptr, &ok);
+ raw[1] = gethex (2, ptr + 2, &ok);
+ supply_register (n, raw);
+ break;
+ case 1:
+ raw[0] = gethex (2, ptr, &ok);
+ supply_register (n, raw);
+ break;
+ case 4:
{
- reg[i] = gethex(4, linebuf+34+5*i, &gottok);
+ int v = gethex (4, ptr, &ok);
+ v |= gethex (2, segptr, &ok) << 16;
+ raw[0] = 0;
+ raw[1] = (v >> 16) & 0xff;
+ raw[2] = (v >> 8) & 0xff;
+ raw[3] = (v >> 0) & 0xff;
+ supply_register (n, raw);
}
}
- }
- while (!gottok);
- for (i = 0; i < NUM_REGS; i++)
- {
- supply_register (i, reg+i);
- }
-}
-/* Fetch register REGNO, or all registers if REGNO is -1.
- */
+}
static void
-hms_fetch_register (regno)
- int regno;
+hms_fetch_register (dummy)
+ int dummy;
{
+#define REGREPLY_SIZE 108
+ char linebuf[REGREPLY_SIZE + 1];
+ int i;
+ int s;
+ int gottok;
- hms_fetch_registers ();
+ LONGEST reg[NUM_REGS];
+ check_open ();
-}
+ do
+ {
-/* Store the remote registers from the contents of the block REGS. */
+ hms_write_cr ("r");
+ expect ("r");
+ s = timed_read (linebuf + 1, REGREPLY_SIZE, 1);
+
+ linebuf[REGREPLY_SIZE] = 0;
+ gottok = 0;
+ if (linebuf[3] == 'P' &&
+ linebuf[4] == 'C' &&
+ linebuf[5] == ':' &&
+ linebuf[105] == 'H' &&
+ linebuf[106] == 'M' &&
+ linebuf[107] == 'S')
+ {
-static int
-hms_store_registers ()
+ /*
+ 012
+ r**
+ -------1---------2---------3---------4---------5-----
+ 345678901234567890123456789012345678901234567890123456
+ PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00**
+ ---6---------7---------8---------9--------10----
+ 789012345678901234567890123456789012345678901234
+ R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE**
+
+ 56789
+ HMS>
+ */
+ gottok = 1;
+
+
+ supply_val (PC_REGNUM, 4, linebuf + 6, linebuf + 29);
+
+ supply_val (CCR_REGNUM, 2, linebuf + 14);
+ supply_val (SEG_C_REGNUM, 1, linebuf + 29);
+ supply_val (SEG_D_REGNUM, 1, linebuf + 35);
+ supply_val (SEG_E_REGNUM, 1, linebuf + 41);
+ supply_val (SEG_T_REGNUM, 1, linebuf + 47);
+ for (i = 0; i < 8; i++)
+ {
+ static int sr[8] =
+ {35, 35, 35, 35,
+ 41, 41, 47, 47};
+
+ char raw[4];
+ char *src = linebuf + 64 + 5 * i;
+ char *segsrc = linebuf + sr[i];
+ supply_val (R0_REGNUM + i, 2, src);
+ supply_val (PR0_REGNUM + i, 4, src, segsrc);
+ }
+ }
+ if (!gottok)
+ {
+ hms_write_cr ("");
+ expect ("HMS>");
+ }
+ }
+ while (!gottok);
+}
+#endif
+
+#ifdef GDB_TARGET_IS_H8300
+static void
+hms_fetch_register (dummy)
+ int dummy;
{
+#define REGREPLY_SIZE 79
+ char linebuf[REGREPLY_SIZE + 1];
int i;
+ int s;
+ int gottok;
+
+ unsigned LONGEST reg[NUM_REGS];
+
+ check_open ();
+
+ do
+ {
+ hms_write_cr ("r");
+
+ s = timed_read (linebuf, 1, 1);
+
+ while (linebuf[0] != 'r')
+ s = timed_read (linebuf, 1, 1);
+
+ s = timed_read (linebuf + 1, REGREPLY_SIZE - 1, 1);
+
+ linebuf[REGREPLY_SIZE] = 0;
+ gottok = 0;
+ if (linebuf[0] == 'r' &&
+ linebuf[3] == 'P' &&
+ linebuf[4] == 'C' &&
+ linebuf[5] == '=' &&
+ linebuf[75] == 'H' &&
+ linebuf[76] == 'M' &&
+ linebuf[77] == 'S')
+ {
+ /*
+ PC=XXXX CCR=XX:XXXXXXXX R0-R7= XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX
+ 5436789012345678901234567890123456789012345678901234567890123456789012
+ 0 1 2 3 4 5 6
+ */
+ gottok = 1;
+
+ reg[PC_REGNUM] = gethex (4, linebuf + 6, &gottok);
+ reg[CCR_REGNUM] = gethex (2, linebuf + 15, &gottok);
+ for (i = 0; i < 8; i++)
+ {
+ reg[i] = gethex (4, linebuf + 34 + 5 * i, &gottok);
+ }
+ }
+ }
+ while (!gottok);
for (i = 0; i < NUM_REGS; i++)
- hms_store_register(i);
- return 0;
-
-}
+ {
+ char swapped[2];
+ swapped[1] = reg[i];
+ swapped[0] = (reg[i]) >> 8;
+
+ supply_register (i, swapped);
+ }
+}
+#endif
/* Store register REGNO, or all if REGNO == -1.
Return errno value. */
-int
+static void
hms_store_register (regno)
int regno;
{
-
- printf ("Expression not found\n");
if (regno == -1)
- hms_store_registers ();
+ {
+ for (regno = 0; regno < NUM_REGS; regno++)
+ {
+ hms_store_register (regno);
+ }
+ }
else
- {
- char *name = get_reg_name (regno);
- char buffer[100];
- sprintf(buffer,"r %s=%x", name, read_register(regno));
- hms_write_cr(buffer);
- expect_prompt();
- }
-
- DEXIT("hms_store_registers()");
- return 0;
+ {
+ char *name = get_reg_name (regno);
+ char buffer[100];
+ /* Some regs dont really exist */
+ if (!(name[0] == 'p' && name[1] == 'r')
+ && !(name[0] == 'c' && name[1] == 'y')
+ && !(name[0] == 't' && name[1] == 'i')
+ && !(name[0] == 'i' && name[1] == 'n'))
+ {
+ sprintf (buffer, "r %s=%x", name, read_register (regno));
+ hms_write_cr (buffer);
+ expect_prompt ();
+ }
+ }
}
+
/* Get ready to modify the registers array. On machines which store
individual registers, this doesn't need to do anything. On machines
which store all the registers in one fell swoop, this makes sure
/* Do nothing, since we can store individual regs */
}
-static CORE_ADDR
-translate_addr(addr)
-CORE_ADDR addr;
-{
-
- return(addr);
-
-}
-
-/* Read a word from remote address ADDR and return it.
- * This goes through the data cache.
- */
-int
-hms_fetch_word (addr)
+static CORE_ADDR
+translate_addr (addr)
CORE_ADDR addr;
{
- return dcache_fetch (addr);
-}
-/* Write a word WORD into remote address ADDR.
- This goes through the data cache. */
+ return (addr);
-void
-hms_store_word (addr, word)
- CORE_ADDR addr;
- int word;
-{
- dcache_poke (addr, word);
}
-int
-hms_xfer_inferior_memory(memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target; /* ignored */
-{
- register int i;
- /* Round starting address down to longword boundary. */
- register CORE_ADDR addr;
- /* Round ending address up; get number of longwords that makes. */
- register int count;
- /* Allocate buffer of that many longwords. */
- register int *buffer ;
-
- memaddr &= 0xffff;
- addr = memaddr & - sizeof (int);
- count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
-
- printf ("Expression not found\n");
- buffer = (int *)alloca (count * sizeof (int));
- if (write)
- {
- /* Fill start and end extra bytes of buffer with existing memory data. */
-
- if (addr != memaddr || len < (int)sizeof (int)) {
- /* Need part of initial word -- fetch it. */
- buffer[0] = hms_fetch_word (addr);
- }
-
- if (count > 1) /* FIXME, avoid if even boundary */
- {
- buffer[count - 1]
- = hms_fetch_word (addr + (count - 1) * sizeof (int));
- }
-
- /* Copy data to be written over corresponding part of buffer */
-
- bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
-
- /* Write the entire buffer. */
-
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- errno = 0;
- hms_store_word (addr, buffer[i]);
- if (errno)
- {
-
- return 0;
- }
-
- }
- }
- else
- {
- /* Read all the longwords */
- for (i = 0; i < count; i++, addr += sizeof (int))
- {
- errno = 0;
- buffer[i] = hms_fetch_word (addr);
- if (errno)
- {
- return 0;
- }
- QUIT;
- }
-
- /* Copy appropriate bytes out of the buffer. */
- bcopy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
- }
-
- return len;
-}
-
-#if 0
int
-hms_xfer_inferior_memory (memaddr, myaddr, len, write)
+hms_xfer_inferior_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
int len;
int write;
+ struct target_ops *target; /* ignored */
{
- memaddr &= 0xffff;
- if (write)
- return hms_write_inferior_memory (memaddr, myaddr, len);
- else
- return hms_read_inferior_memory (memaddr, myaddr, len);
+ return len;
}
-#endif
int
hms_write_inferior_memory (memaddr, myaddr, len)
CORE_ADDR memaddr;
- char *myaddr;
+ unsigned char *myaddr;
int len;
{
+ bfd_vma addr;
+ int done;
+ int todo;
+ char buffer[100];
+ done = 0;
+ hms_write_cr (".");
+ expect_prompt ();
+ while (done < len)
+ {
+ char *ptr = buffer;
+ int thisgo;
+ int idx;
+
+ thisgo = len - done;
+ if (thisgo > 20)
+ thisgo = 20;
- bfd *abfd = bfd_openw(dev_name, "srec");
- asection *a;
-
- bfd_set_format(abfd, bfd_object);
- a = bfd_make_section(abfd, ".text");
- a->vma = memaddr;
- a->_raw_size = len;
- a->flags = SEC_LOAD | SEC_HAS_CONTENTS;
- hms_write_cr("tl"); /* tell hms here comes the recs */
- bfd_set_section_contents(abfd, a, myaddr, 0, len);
- bfd_close(abfd);
-
- expect_prompt();
+ sprintf (ptr, "M.B %4x =", memaddr + done);
+ ptr += 10;
+ for (idx = 0; idx < thisgo; idx++)
+ {
+ sprintf (ptr, "%2x ", myaddr[idx + done]);
+ ptr += 3;
+ }
+ hms_write_cr (buffer);
+ expect_prompt ();
+ done += thisgo;
+ }
}
void
hms_files_info ()
{
- printf_filtered("\tAttached to %s at %d baud and running program %s\n",
- dev_name, baudrate, bfd_get_filename(exec_bfd));
- printf_filtered("\ton an H8/300 processor.\n");
+ char *file = "nothing";
+
+ if (exec_bfd)
+ file = bfd_get_filename (exec_bfd);
+
+ if (exec_bfd)
+#ifdef __GO32__
+ printf_filtered ("\tAttached to DOS asynctsr and running program %s\n", file);
+#else
+ printf_filtered ("\tAttached to %s at %d baud and running program %s\n", dev_name, baudrate, file);
+#endif
+ printf_filtered ("\ton an H8/300 processor.\n");
}
/* Copy LEN bytes of data from debugger memory at MYADDR
- to inferior's memory at MEMADDR. Returns errno value.
- * sb/sh instructions don't work on unaligned addresses, when TU=1.
+ to inferior's memory at MEMADDR. Returns errno value.
+ * sb/sh instructions don't work on unaligned addresses, when TU=1.
*/
-
/* Read LEN bytes from inferior memory at MEMADDR. Put the result
at debugger address MYADDR. Returns errno value. */
int
-hms_read_inferior_memory(memaddr, myaddr, len)
+hms_read_inferior_memory (memaddr, myaddr, len)
CORE_ADDR memaddr;
char *myaddr;
int len;
{
/* Align to nearest low 16 bits */
int i;
-
-#if 0
- CORE_ADDR start = memaddr & ~0xf;
- CORE_ADDR end = ((memaddr + len +16) & ~0xf) -1;
-#endif
+
CORE_ADDR start = memaddr;
- CORE_ADDR end = memaddr + len -1;
-
- int ok =1;
-
+ CORE_ADDR end = memaddr + len - 1;
+
+ int ok = 1;
+
/*
- AAAA: XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX '................'
- 012345678901234567890123456789012345678901234567890123456789012345
- 0 1 2 3 4 5 6
- */
+ AAAA: XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX '................'
+ 012345678901234567890123456789012345678901234567890123456789012345
+ 0 1 2 3 4 5 6
+ */
char buffer[66];
- if (memaddr & 0xf) abort();
- if (len != 16) abort();
-
- sprintf(buffer, "m %4x %4x", start, end);
- hms_write_cr(buffer);
- /* drop the echo and newline*/
+
+ if (memaddr & 0xf)
+ abort ();
+ if (len != 16)
+ abort ();
+
+ sprintf (buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
+
+ flush ();
+ hms_write_cr (buffer);
+ /* drop the echo and newline */
for (i = 0; i < 13; i++)
- readchar();
-
+ readchar ();
-
/* Grab the lines as they come out and fill the area */
/* Skip over cr */
- while(1)
- {
- int p;
- int i;
- int addr;
- size_t idx;
-
- char byte[16];
- buffer[0] = readchar();
- if (buffer[0] == 'M')
- break;
- for (i = 1; i < 66; i++)
- buffer[i] = readchar();
-
- /* Now parse the line */
-
- addr = gethex(4, buffer, &ok);
- idx = 6;
- for (p = 0; p < 16; p+=2)
+ while (1)
{
- byte[p] = gethex(2, buffer + idx, &ok);
- byte[p+1] = gethex(2, buffer+ idx + 2, &ok);
- idx+=5;
-
- }
+ int p;
+ int i;
+ int addr;
+ size_t idx;
-
- for (p = 0; p<16;p++)
- {
- if (addr + p >= memaddr &&
- addr + p < memaddr + len)
- {
- myaddr[ (addr + p)-memaddr] = byte[p];
-
- }
-
- }
- }
-
-
-
- hms_write("\003",1);
- expect_prompt();
-
-
-
-
- return len;
+ char byte[16];
-}
+ buffer[0] = readchar ();
+ while (buffer[0] == '\r'
+ || buffer[0] == '\n')
+ buffer[0] = readchar ();
-/* This routine is run as a hook, just before the main command loop is
- entered. If gdb is configured for the H8, but has not had its
- target specified yet, this will loop prompting the user to do so.
-*/
+ if (buffer[0] == 'M')
+ break;
-hms_before_main_loop ()
-{
- char ttyname[100];
- char *p, *p2;
- extern FILE *instream;
- extern jmp_buf to_top_level;
+ for (i = 1; i < 50; i++)
+ {
+ buffer[i] = readchar ();
+ }
+ /* sometimes we loose characters in the ascii representation of the
+ data. I don't know where. So just scan for the end of line */
+ i = readchar ();
+ while (i != '\n' && i != '\r')
+ i = readchar ();
- push_target (&hms_ops);
-#if 0
+ /* Now parse the line */
- while (current_target != &hms_ops) {
- /* remote tty not specified yet */
- if ( instream == stdin ){
- printf("\nEnter device and filename, or \"quit\" to quit: ");
- fflush( stdout );
+ addr = gethex (4, buffer, &ok);
+ idx = 6;
+ for (p = 0; p < 16; p += 2)
+ {
+ byte[p] = gethex (2, buffer + idx, &ok);
+ byte[p + 1] = gethex (2, buffer + idx + 2, &ok);
+ idx += 5;
}
- fgets( ttyname, sizeof(ttyname)-1, stdin );
- if ( !strcmp("quit", ttyname) ){
- exit(1);
- }
+ for (p = 0; p < 16; p++)
+ {
+ if (addr + p >= memaddr &&
+ addr + p < memaddr + len)
+ {
+ myaddr[(addr + p) - memaddr] = byte[p];
- hms_open( ttyname, 1 );
+ }
- /* Now that we have a tty open for talking to the remote machine,
- download the executable file if one was specified. */
- if ( !setjmp(to_top_level) && exec_bfd ) {
- target_load (bfd_get_filename (exec_bfd), 1);
}
}
+#ifdef GDB_TARGET_IS_H8500
+ expect ("ore>");
#endif
+#ifdef GDB_TARGET_IS_H8300
+ expect ("emory>");
+#endif
+ hms_write_cr (".");
+
+ expect_prompt ();
+ return len;
}
+
#define MAX_BREAKS 16
-static int num_brkpts=0;
+static int num_brkpts = 0;
static int
-hms_insert_breakpoint(addr, save)
-CORE_ADDR addr;
-char *save; /* Throw away, let hms save instructions */
+hms_insert_breakpoint (addr, save)
+ CORE_ADDR addr;
+ char *save; /* Throw away, let hms save instructions */
{
+ check_open ();
- DENTER("hms_insert_breakpoint()");
- check_open();
-
- if (num_brkpts < MAX_BREAKS) {
+ if (num_brkpts < MAX_BREAKS)
+ {
char buffer[100];
+
num_brkpts++;
- sprintf(buffer,"b %x", addr & 0xffff);
- hms_write_cr(buffer);
+ sprintf (buffer, "b %x", addr & 0xffff);
+ hms_write_cr (buffer);
expect_prompt ();
- DEXIT("hms_insert_breakpoint() success");
- return(0); /* Success */
- } else {
- fprintf_filtered(stderr,
- "Too many break points, break point not installed\n");
- DEXIT("hms_insert_breakpoint() failure");
- return(1); /* Failure */
- }
-
+ return (0);
+ }
+ else
+ {
+ fprintf_filtered (gdb_stderr,
+ "Too many break points, break point not installed\n");
+ return (1);
+ }
}
static int
-hms_remove_breakpoint(addr, save)
-CORE_ADDR addr;
-char *save; /* Throw away, let hms save instructions */
+hms_remove_breakpoint (addr, save)
+ CORE_ADDR addr;
+ char *save; /* Throw away, let hms save instructions */
{
- DENTER("hms_remove_breakpoint()");
- if (num_brkpts > 0) {
+ if (num_brkpts > 0)
+ {
char buffer[100];
-
+
num_brkpts--;
- sprintf(buffer,"b - %x", addr & 0xffff);
- hms_write_cr(buffer);
- expect_prompt();
-
+ sprintf (buffer, "b - %x", addr & 0xffff);
+ hms_write_cr (buffer);
+ expect_prompt ();
+
}
- DEXIT("hms_remove_breakpoint()");
- return(0);
+ return (0);
}
/* Clear the hmss notion of what the break points are */
static int
-hms_clear_breakpoints()
-{
+hms_clear_breakpoints ()
+{
- DENTER("hms_clear_breakpoint()");
- if (OPEN(hms_desc)) {
- hms_write_cr("b -");
+ if (is_open)
+ {
+ hms_write_cr ("b -");
expect_prompt ();
}
num_brkpts = 0;
-
- DEXIT("hms_clear_breakpoint()");
}
static void
-hms_mourn()
-{
- DENTER("hms_mourn()");
- hms_clear_breakpoints();
-/* pop_target (); /* Pop back to no-child state */
- generic_mourn_inferior ();
- DEXIT("hms_mourn()");
-}
-
-/* Display everthing we read in from the hms until we match/see the
- * specified string
- */
-static int
-display_until(str)
-char *str;
+hms_mourn ()
{
- int i=0,j,c;
-
- while (c=readchar()) {
- if (c==str[i]) {
- i++;
- if (i == strlen(str)) return;
- } else {
- if (i) {
- for (j=0 ; j<i ; j++) /* Put everthing we matched */
- putchar(str[j]);
- i=0;
- }
- putchar(c);
- }
- }
-
+ hms_clear_breakpoints ();
+ unpush_target (&hms_ops);
+ generic_mourn_inferior ();
}
-
/* Put a command string, in args, out to the hms. The hms is assumed to
- be in raw mode, all writing/reading done through hms_desc.
+ be in raw mode, all writing/reading done through desc.
Ouput from the hms is placed on the users terminal until the
prompt from the hms is seen.
FIXME: Can't handle commands that take input. */
void
hms_com (args, fromtty)
- char *args;
- int fromtty;
+ char *args;
+ int fromtty;
{
- check_open();
-
- if (!args) return;
-
+ check_open ();
+
+ if (!args)
+ return;
+
/* Clear all input so only command relative output is displayed */
+ hms_write_cr (args);
+/* hms_write ("\030", 1); */
+ expect_prompt ();
+}
+
+static void
+hms_open (name, from_tty)
+ char *name;
+ int from_tty;
+{
+ unsigned int prl;
+ char *p;
+
+ if (name == 0)
+ {
+ name = "";
+ }
+ if (is_open)
+ hms_close (0);
+ dev_name = strdup (name);
+
+ if (!(desc = SERIAL_OPEN (dev_name)))
+ perror_with_name ((char *) dev_name);
+
+ SERIAL_RAW (desc);
+ is_open = 1;
+ push_target (&hms_ops);
+ dcache_ptr = dcache_init (hms_read_inferior_memory,
+ hms_write_inferior_memory);
+ remote_dcache = 1;
+ /* Hello? Are you there? */
+ SERIAL_WRITE (desc, "\r\n", 2);
+ expect_prompt ();
- hms_write_cr(args);
- hms_write("\030",1);
- expect_prompt();
+ /* Clear any break points */
+ hms_clear_breakpoints ();
+ printf_filtered ("Connected to remote board running HMS monitor.\n");
+ add_commands ();
+/* hms_drain (); */
}
/* Define the target subroutine names */
-struct target_ops hms_ops = {
- "hms", "Remote HMS monitor",
-"Use the H8 evaluation board running the HMS monitor connected\n\
+struct target_ops hms_ops =
+{
+ "hms", "Remote HMS monitor",
+ "Use the H8 evaluation board running the HMS monitor connected\n\
by a serial line.",
- hms_open, hms_close,
- hms_attach, hms_detach, hms_resume, hms_wait,
- hms_fetch_register, hms_store_register,
- hms_prepare_to_store, 0, 0, /* conv_to, conv_from */
- hms_xfer_inferior_memory,
- hms_files_info,
- hms_insert_breakpoint, hms_remove_breakpoint, /* Breakpoints */
- 0, 0, 0, 0, 0, /* Terminal handling */
- hms_kill, /* FIXME, kill */
- hms_load,
- call_function_by_hand,
- 0, /* lookup_symbol */
- hms_create_inferior, /* create_inferior */
- hms_mourn, /* mourn_inferior FIXME */
- process_stratum, 0, /* next */
- 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
- 0,0, /* Section pointers */
- OPS_MAGIC, /* Always the last thing */
+ hms_open, hms_close,
+ 0, hms_detach, hms_resume, hms_wait, /* attach */
+ hms_fetch_register, hms_store_register,
+ hms_prepare_to_store,
+ hms_xfer_inferior_memory,
+ hms_files_info,
+ hms_insert_breakpoint, hms_remove_breakpoint, /* Breakpoints */
+ 0, 0, 0, 0, 0, /* Terminal handling */
+ hms_kill, /* FIXME, kill */
+ generic_load,
+ 0, /* lookup_symbol */
+ hms_create_inferior, /* create_inferior */
+ hms_mourn, /* mourn_inferior FIXME */
+ 0, /* can_run */
+ 0, /* notice_signals */
+ 0, /* to_thread_alive */
+ 0, /* to_stop */
+ process_stratum, 0, /* next */
+ 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
+ 0, 0, /* Section pointers */
+ OPS_MAGIC, /* Always the last thing */
};
-
-hms_quiet()
+hms_quiet () /* FIXME - this routine can be removed after Dec '94 */
{
- quiet = ! quiet;
+ quiet = !quiet;
+ if (quiet)
+ printf_filtered ("Snoop disabled\n");
+ else
+ printf_filtered ("Snoop enabled\n");
+
+ printf_filtered ("`snoop' is obsolete, please use `set remotedebug'.\n");
}
-hms_device(s)
-char *s;
+hms_device (s)
+ char *s;
{
- if (s) {
- dev_name = get_word(&s);
- }
+ if (s)
+ {
+ dev_name = get_word (&s);
+ }
}
-static hms_speed(s)
-char *s;
+static
+hms_speed (s)
+ char *s;
{
- if (s)
- {
- char buffer[100];
- int newrate = atoi(s);
- int which = 0;
- while (baudtab[which].rate != newrate)
+ check_open ();
+
+ if (s)
{
- if (baudtab[which].rate == -1)
- {
- error("Can't use %d baud\n", newrate);
- }
- which++;
+ char buffer[100];
+ int newrate = atoi (s);
+ int which = 0;
+
+ if (SERIAL_SETBAUDRATE (desc, newrate))
+ error ("Can't use %d baud\n", newrate);
+
+ printf_filtered ("Checking target is in sync\n");
+
+ printf_filtered ("Sending commands to set target to %d\n",
+ baudrate);
+
+ sprintf (buffer, "tm %d. N 8 1", baudrate);
+ hms_write_cr (buffer);
}
-
-
-
- printf_filtered("Checking target is in sync\n");
-
-
- get_baudrate_right();
- baudrate = newrate;
- printf_filtered("Sending commands to set target to %d\n",
- baudrate);
-
- sprintf(buffer, "tm %d. N 8 1", baudrate);
- hms_write(buffer);
- }
}
/***********************************************************************/
+static void
+hms_drain (args, fromtty)
+ char *args;
+ int fromtty;
+{
+ int c;
+ while (1)
+ {
+ c = SERIAL_READCHAR (desc, 1);
+ if (c == SERIAL_TIMEOUT)
+ break;
+ if (c == SERIAL_ERROR)
+ break;
+ if (c > ' ' && c < 127)
+ printf ("%c", c & 0xff);
+ else
+ printf ("<%x>", c & 0xff);
+ }
+}
+
+static void
+add_commands ()
+{
+
+ add_com ("hms_drain", class_obscure, hms_drain,
+ "Drain pending hms text buffers.");
+}
+
+static void
+remove_commands ()
+{
+ extern struct cmd_list_element *cmdlist;
+ delete_cmd ("hms-drain", &cmdlist);
+}
+
+
void
_initialize_remote_hms ()
{
add_target (&hms_ops);
+
add_com ("hms <command>", class_obscure, hms_com,
- "Send a command to the HMS monitor.");
+ "Send a command to the HMS monitor.");
+
+ /* FIXME - hms_quiet and `snoop' can be removed after Dec '94 */
add_com ("snoop", class_obscure, hms_quiet,
- "Show what commands are going to the monitor");
+ "Show what commands are going to the monitor (OBSOLETE - see 'set remotedebug')");
+
add_com ("device", class_obscure, hms_device,
"Set the terminal line for HMS communications");
add_com ("speed", class_obscure, hms_speed,
"Set the terminal line speed for HMS communications");
-
-}
+ dev_name = NULL;
+}
+#endif
projects / deliverable / binutils-gdb.git / blobdiff