-/* Remote debugging interface for HMS Monitor Version 1.0
-
+/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
Copyright 1992 Free Software Foundation, Inc.
-
- Contributed by Steve Chamberlain sac@cygnus.com
-
+ Contributed by Cygnus Support. Written by Steve Chamberlain
+ (sac@cygnus.com).
This file is part of GDB.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
-#include <stdio.h>
-#include <string.h>
#include "defs.h"
#include "inferior.h"
#include "wait.h"
#include "value.h"
+#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <signal.h>
#include "terminal.h"
#include "target.h"
#include "gdbcore.h"
+#include "serial.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;
-#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;
+serial_t desc;
-static int timeout = 5;
-static char *dev_name = "/dev/ttya";
+/***********************************************************************/
+/* Caching stuff stolen from remote-nindy.c */
+/* The data cache records all the data read from the remote machine
+ since the last time it stopped.
-static int quiet;
+ Each cache block holds LINE_SIZE bytes of data
+ starting at a multiple-of-LINE_SIZE address. */
-/* 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)
+#define LINE_SIZE_POWER 4
+#define LINE_SIZE (1<<LINE_SIZE_POWER) /* eg 1<<3 == 8 */
+#define LINE_SIZE_MASK ((LINE_SIZE-1)) /* eg 7*2+1= 111*/
+#define DCACHE_SIZE 64 /* Number of cache blocks */
+#define XFORM(x) ((x&LINE_SIZE_MASK)>>2)
+struct dcache_block
+ {
+ struct dcache_block *next, *last;
+ unsigned int addr; /* Address for which data is recorded. */
+ int data[LINE_SIZE / sizeof (int)];
+ };
+struct dcache_block dcache_free, dcache_valid;
-#define ON 1
-#define OFF 0
+/* Free all the data cache blocks, thus discarding all cached data. */
+static
+void
+dcache_flush ()
+{
+ register struct dcache_block *db;
+
+ while ((db = dcache_valid.next) != &dcache_valid)
+ {
+ remque (db);
+ insque (db, &dcache_free);
+ }
+}
+
+/*
+ * If addr is present in the dcache, return the address of the block
+ * containing it.
+ */
+static
+struct dcache_block *
+dcache_hit (addr)
+ unsigned int addr;
+{
+ register struct dcache_block *db;
+
+ if (addr & 3)
+ abort ();
+
+ /* Search all cache blocks for one that is at this address. */
+ db = dcache_valid.next;
+ while (db != &dcache_valid)
+ {
+ if ((addr & ~LINE_SIZE_MASK) == db->addr)
+ return db;
+ db = db->next;
+ }
+ return NULL;
+}
+
+/* Return the int data at address ADDR in dcache block DC. */
+static
+int
+dcache_value (db, addr)
+ struct dcache_block *db;
+ unsigned int addr;
+{
+ if (addr & 3)
+ abort ();
+ return (db->data[XFORM (addr)]);
+}
+
+/* Get a free cache block, put or keep it on the valid list,
+ and return its address. The caller should store into the block
+ the address and data that it describes, then remque it from the
+ free list and insert it into the valid list. This procedure
+ prevents errors from creeping in if a ninMemGet is interrupted
+ (which used to put garbage blocks in the valid list...). */
+static
+struct dcache_block *
+dcache_alloc ()
+{
+ register struct dcache_block *db;
+
+ if ((db = dcache_free.next) == &dcache_free)
+ {
+ /* If we can't get one from the free list, take last valid and put
+ it on the free list. */
+ db = dcache_valid.last;
+ remque (db);
+ insque (db, &dcache_free);
+ }
+
+ remque (db);
+ insque (db, &dcache_valid);
+ return (db);
+}
+
+/* Return the contents of the word at address ADDR in the remote machine,
+ using the data cache. */
+static
+int
+dcache_fetch (addr)
+ CORE_ADDR addr;
+{
+ register struct dcache_block *db;
+
+ db = dcache_hit (addr);
+ if (db == 0)
+ {
+ db = dcache_alloc ();
+ immediate_quit++;
+ hms_read_inferior_memory (addr & ~LINE_SIZE_MASK, (unsigned char *) db->data, LINE_SIZE);
+ immediate_quit--;
+ db->addr = addr & ~LINE_SIZE_MASK;
+ remque (db); /* Off the free list */
+ insque (db, &dcache_valid); /* On the valid list */
+ }
+ return (dcache_value (db, addr));
+}
+
+/* Write the word at ADDR both in the data cache and in the remote machine. */
static void
-rawmode(desc, turnon)
-int desc;
-int turnon;
+dcache_poke (addr, data)
+ CORE_ADDR addr;
+ int data;
{
- TERMINAL sg;
+ register struct dcache_block *db;
- if (desc < 0)
- return;
+ /* First make sure the word is IN the cache. DB is its cache block. */
+ db = dcache_hit (addr);
+ if (db == 0)
+ {
+ db = dcache_alloc ();
+ immediate_quit++;
+ hms_write_inferior_memory (addr & ~LINE_SIZE_MASK, (unsigned char *) db->data, LINE_SIZE);
+ immediate_quit--;
+ db->addr = addr & ~LINE_SIZE_MASK;
+ remque (db); /* Off the free list */
+ insque (db, &dcache_valid); /* On the valid list */
+ }
- ioctl (desc, TIOCGETP, &sg);
+ /* Modify the word in the cache. */
+ db->data[XFORM (addr)] = data;
- 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);
+ /* Send the changed word. */
+ immediate_quit++;
+ hms_write_inferior_memory (addr, (unsigned char *) &data, 4);
+ immediate_quit--;
}
-/* Suck up all the input from the hms */
-slurp_input()
+/* The cache itself. */
+struct dcache_block the_cache[DCACHE_SIZE];
+
+/* Initialize the data cache. */
+static void
+dcache_init ()
{
- char buf[8];
+ register i;
+ register struct dcache_block *db;
+
+ db = the_cache;
+ dcache_free.next = dcache_free.last = &dcache_free;
+ dcache_valid.next = dcache_valid.last = &dcache_valid;
+ for (i = 0; i < DCACHE_SIZE; i++, db++)
+ insque (db, &dcache_free);
+}
-#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
+/***********************************************************************
+ * I/O stuff stolen from remote-eb.c
+ ***********************************************************************/
+
+static int timeout = 2;
+
+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 is_open = 0;
+int
+check_open ()
+{
+ if (!is_open)
+ {
+ error ("remote device not open");
+ }
}
+#define ON 1
+#define OFF 0
+
/* Read a character from the remote system, doing all the fancy
timeout stuff. */
static int
readchar ()
{
- char buf;
+ int 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
+ buf = SERIAL_READCHAR (desc, timeout);
- if (buf == '\0')
+ if (buf == SERIAL_TIMEOUT)
error ("Timeout reading from remote system.");
-if (!quiet)
- printf("'%c'",buf);
-
+ if (!quiet)
+ printf_unfiltered ("%c", buf);
+
return buf & 0x7f;
}
-/* Keep discarding input from the remote system, until STRING is found.
+static int
+readchar_nofail ()
+{
+ int buf;
+
+ buf = SERIAL_READCHAR (desc, timeout);
+ if (buf == SERIAL_TIMEOUT)
+ buf = 0;
+ if (!quiet)
+ printf_unfiltered ("%c", buf);
+
+ return buf & 0x7f;
+
+}
+
+/* Keep discarding input from the remote system, until STRING is found.
Let the user break out immediately. */
static void
expect (string)
{
char *p = string;
-
immediate_quit = 1;
while (1)
{
- if (readchar() == *p)
+ if (readchar () == *p)
{
p++;
if (*p == '\0')
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;
+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.
+ * Download a file specified in 'args', to the hms.
*/
static void
-hms_load(args,fromtty)
-char *args;
-int fromtty;
+hms_load (args, fromtty)
+ char *args;
+ int fromtty;
{
- bfd *abfd;
+ 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;
- }
+ int n;
+ char buffer[1024];
- if (bfd_check_format(abfd, bfd_object) ==0)
- {
- printf_filtered("File is not an object file\n");
- return ;
- }
+ check_open ();
+
+ dcache_flush ();
+ inferior_pid = 0;
+ abfd = bfd_openr (args, gnutarget);
+ if (!abfd)
+ {
+ printf_filtered ("Unable to open file %s\n", args);
+ 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)
+ while (s != (asection *) NULL)
{
- char *buffer = xmalloc(s->_raw_size);
- bfd_get_section_contents(abfd, s, buffer, 0, s->_raw_size);
+ if (s->flags & SEC_LOAD)
+ {
+ int i;
+
+#define DELTA 1024
+ char *buffer = xmalloc (DELTA);
+
+ printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma, s->vma + s->_raw_size);
+ for (i = 0; i < s->_raw_size; i += DELTA)
+ {
+ int delta = DELTA;
+
+ if (delta > s->_raw_size - i)
+ delta = s->_raw_size - i;
- hms_write_inferior_memory(s->vma, buffer, s->_raw_size);
- free(buffer);
+ bfd_get_section_contents (abfd, s, buffer, i, delta);
+ hms_write_inferior_memory (s->vma + i, buffer, delta);
+ printf_filtered ("*");
+ gdb_flush (gdb_stdout);
+ }
+ printf_filtered ("\n");
+ free (buffer);
+ }
+ s = s->next;
}
- s = s->next;
- }
-
- DEXIT("hms_load()");
+ sprintf (buffer, "r PC=%x", abfd->start_address);
+ hms_write_cr (buffer);
+ expect_prompt ();
}
/* 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 int
+is_baudrate_right ()
+{
+ int ok;
+
+ /* Put this port into NORMAL mode, send the 'normal' character */
+
+ hms_write ("\001", 1); /* Control A */
+ hms_write ("\r", 1); /* Cr */
+
+ while (1)
+ {
+ ok = SERIAL_READCHAR (desc, timeout);
+ if (ok < 0)
+ break;
+ }
+
+ hms_write ("r", 1);
+
+ 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");
+}
+
+
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 */
+ if (name == 0)
+ {
+ name = "";
+ }
+ if (is_open)
+ hms_close (0);
+ dev_name = strdup (name);
-#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
+ if (!(desc = SERIAL_OPEN (dev_name)))
+ perror_with_name ((char *) dev_name);
- /* Set up read timeout timer. */
- if ((void (*)) signal (SIGALRM, hms_timer) == (void (*)) -1)
- perror ("hms_open: error in signal");
-#endif
+ SERIAL_RAW (desc);
+ is_open = 1;
+ dcache_init ();
- /* 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);
-
+ SERIAL_WRITE (desc, "\r", 1);
expect_prompt ();
/* Clear any break points */
- hms_clear_breakpoints();
+ hms_clear_breakpoints ();
-
- printf_filtered("Remote debugging on an H8/300 HMS via %s %s.\n",dev_name,prog_name);
-
- DEXIT("hms_open()");
+ printf_filtered ("Connected to remote H8/300 HMS system.\n");
}
/* 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()");
-}
-
-/* Attach to the target that is already loaded and possibly running */
-static void
-hms_attach (args, from_tty)
- char *args;
- int from_tty;
-{
-
- DENTER("hms_attach()");
- 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()");
+ hms_clear_breakpoints ();
+ sleep (1); /* Let any output make it all the way back */
+ if (is_open)
+ {
+ SERIAL_WRITE (desc, "R\r", 2);
+ SERIAL_CLOSE (desc);
+ }
+ is_open = 0;
}
-
/* 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)
+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 (is_open)
+ {
+ hms_clear_breakpoints ();
+ }
+
+ 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");
+ dcache_flush ();
- hms_write("\003",1);
- expect_prompt();
- /* Force the next hms_wait to return a trap. Not doing anything
+ 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;
- }
+ 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. */
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.
+ /* 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. */
/* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */
char swallowed[50];
+
/* Current position in swallowed. */
char *swallowed_p = swallowed;
int ch_handled;
int old_timeout = timeout;
int old_immediate_quit = immediate_quit;
+ int swallowed_cr = 0;
- DENTER("hms_wait()");
-
- 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 = -1; /* 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 */
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) {
+ }
+ 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);
+ putc_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)
+ {
+ putc_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 = 0;
+ }
+
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;
}
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)
+ for (i = 0; i < l; i++)
+ {
+ printf_unfiltered ("%c", a[i]);
+ }
}
- 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", 1);
+}
+
+static void
+hms_fetch_register (dummy)
+ int dummy;
{
#define REGREPLY_SIZE 79
- char linebuf[REGREPLY_SIZE+1];
+ char linebuf[REGREPLY_SIZE + 1];
int i;
- int s ;
+ 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')
+
+ unsigned LONGEST reg[NUM_REGS];
+ int foo[8];
+
+ 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[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
+ 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);
- }
+ 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++)
- {
- 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_registers ();
-
-}
+ for (i = 0; i < NUM_REGS; i++)
+ {
+ char swapped[2];
-/* Store the remote registers from the contents of the block REGS. */
+ swapped[1] = reg[i];
+ swapped[0] = (reg[i]) >> 8;
-static int
-hms_store_registers ()
-{
- int i;
- for (i = 0; i < NUM_REGS; i++)
- hms_store_register(i);
- return 0;
-
+ supply_register (i, swapped);
+ }
}
/* 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];
+
+ 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
/* Do nothing, since we can store individual regs */
}
-static CORE_ADDR
-translate_addr(addr)
-CORE_ADDR addr;
+static CORE_ADDR
+translate_addr (addr)
+ CORE_ADDR addr;
{
- return(addr);
+ return (addr);
}
hms_fetch_word (addr)
CORE_ADDR addr;
{
- return dcache_fetch (addr);
+ return dcache_fetch (addr);
}
/* Write a word WORD into remote address ADDR.
CORE_ADDR addr;
int word;
{
- dcache_poke (addr, word);
+ dcache_poke (addr, word);
}
int
-hms_xfer_inferior_memory(memaddr, myaddr, len, write, target)
+hms_xfer_inferior_memory (memaddr, myaddr, len, write, target)
CORE_ADDR memaddr;
char *myaddr;
int len;
int write;
- struct target_ops *target; /* ignored */
+ struct target_ops *target; /* ignored */
{
register int i;
+
/* Round starting address down to longword boundary. */
- register CORE_ADDR addr;
+ 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 ;
+ register int *buffer;
memaddr &= 0xffff;
- addr = memaddr & - sizeof (int);
- count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
+ addr = memaddr & -sizeof (int);
+ count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
+
+ buffer = (int *) alloca (count * 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. */
+ {
+ /* 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 (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));
- }
+ 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 */
+ /* Copy data to be written over corresponding part of buffer */
- bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
+ memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
- /* Write the entire buffer. */
+ /* 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;
- }
-
+ 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;
- }
+ /* 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);
- }
+ /* Copy appropriate bytes out of the buffer. */
+ memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
+ }
-
return len;
}
-#if 0
int
-hms_xfer_inferior_memory (memaddr, myaddr, len, write)
+hms_write_inferior_memory (memaddr, myaddr, len)
CORE_ADDR memaddr;
- char *myaddr;
+ unsigned char *myaddr;
int len;
- int write;
{
- memaddr &= 0xffff;
- if (write)
- return hms_write_inferior_memory (memaddr, myaddr, len);
- else
- return hms_read_inferior_memory (memaddr, myaddr, len);
+ bfd_vma addr;
+ int done;
+ int todo;
-}
-#endif
+ done = 0;
+ while (done < len)
+ {
+ char buffer[20];
+ int thisgo;
+ int idx;
-int
-hms_write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
+ thisgo = len - done;
+ if (thisgo > 20)
+ thisgo = 20;
+
+ sprintf (buffer, "M.B %4x =", memaddr + done);
+ hms_write (buffer, 10);
+ for (idx = 0; idx < thisgo; idx++)
+ {
+ char buf[20];
+
+ sprintf (buf, "%2x ", myaddr[idx + done]);
+ hms_write (buf, 3);
+ }
+ hms_write_cr ("");
+ expect_prompt ();
+ done += thisgo;
+ }
- 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();
}
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;
+ 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
*/
char buffer[66];
- if (memaddr & 0xf) abort();
- if (len != 16) abort();
-
- sprintf(buffer, "m %4x %4x", start, end);
- hms_write_cr(buffer);
+
+ if (memaddr & 0xf)
+ abort ();
+ if (len != 16)
+ abort ();
+
+ sprintf (buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
+ 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];
-
- }
-
+ 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)
+ {
+ byte[p] = gethex (2, buffer + idx, &ok);
+ byte[p + 1] = gethex (2, buffer + idx + 2, &ok);
+ idx += 5;
+
+ }
+
+ 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();
-
-
-
-
+ expect ("emory>");
+ hms_write_cr (" ");
+ expect_prompt ();
return len;
-
}
/* This routine is run as a hook, just before the main command loop is
{
char ttyname[100];
char *p, *p2;
- extern FILE *instream;
- extern jmp_buf to_top_level;
+ extern GDB_FILE *instream;
push_target (&hms_ops);
-#if 0
-
- while (current_target != &hms_ops) {
- /* remote tty not specified yet */
- if ( instream == stdin ){
- printf("\nEnter device and filename, or \"quit\" to quit: ");
- fflush( stdout );
- }
- fgets( ttyname, sizeof(ttyname)-1, stdin );
-
- if ( !strcmp("quit", ttyname) ){
- exit(1);
- }
-
- 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);
- }
- }
-#endif
}
-
#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;
-
- /* Clear all input so only command relative output is displayed */
+ check_open ();
+ if (!args)
+ return;
- hms_write_cr(args);
- hms_write("\030",1);
- expect_prompt();
+ /* Clear all input so only command relative output is displayed */
+ hms_write_cr (args);
+ hms_write ("\030", 1);
+ expect_prompt ();
}
/* 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 */
+ hms_load,
+ 0, /* lookup_symbol */
+ hms_create_inferior, /* create_inferior */
+ hms_mourn, /* mourn_inferior FIXME */
+ 0, /* can_run */
+ 0, /* notice_signals */
+ 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 ()
{
- quiet = ! quiet;
+ quiet = !quiet;
+ if (quiet)
+ printf_filtered ("Snoop disabled\n");
+ else
+ printf_filtered ("Snoop enabled\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);
- }
}
/***********************************************************************/
_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.");
add_com ("snoop", class_obscure, hms_quiet,
"Show what commands are going to the monitor");
+
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;
+}