/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
- Copyright 1992 Free Software Foundation, Inc.
+ Copyright 1995 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by Steve Chamberlain
(sac@cygnus.com).
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is 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 program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
-#include "inferior.h"
-#include "wait.h"
-#include "value.h"
-#include <string.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <setjmp.h>
-#include <errno.h>
-#include "terminal.h"
-#include "target.h"
#include "gdbcore.h"
+#include "target.h"
+#include "monitor.h"
+#include "serial.h"
-/* External data declarations */
-extern int stop_soon_quietly; /* for wait_for_inferior */
-
-/* Forward data declarations */
-extern struct target_ops hms_ops; /* Forward declaration */
-
-/* Forward function declarations */
-static void hms_fetch_registers ();
-static int hms_store_registers ();
-static void hms_close ();
-static int hms_clear_breakpoints();
-
-extern struct target_ops hms_ops;
-
-static int quiet = 1;
-
-#ifdef DEBUG
-# define DENTER(NAME) if (!quiet) (printf_filtered("Entering %s\n",NAME), fflush(stdout))
-# define DEXIT(NAME) if (!quiet) (printf_filtered("Exiting %s\n",NAME), fflush(stdout))
-#else
-# define DENTER(NAME)
-# define DEXIT(NAME)
-#endif
-
-
-/***********************************************************************/
-/* 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 void hms_open PARAMS ((char *args, int from_tty));
- Each cache block holds LINE_SIZE bytes of data
- starting at a multiple-of-LINE_SIZE address. */
+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 */
-#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)];
-};
+ val = monitor_supply_register (PC_REGNUM, val);
+ /* Skip the ccr string */
+ while (*val != '=' && *val)
+ val++;
-struct dcache_block dcache_free, dcache_valid;
+ val = monitor_supply_register (CCR_REGNUM, val + 1);
-/* Free all the data cache blocks, thus discarding all cached data. */
-static
-void
-dcache_flush ()
-{
- register struct dcache_block *db;
+ /* Skip up to rest of regs */
+ while (*val != '=' && *val)
+ val++;
- while ((db = dcache_valid.next) != &dcache_valid)
+ for (regno = 0; regno < 7; regno++)
{
- remque (db);
- insque (db, &dcache_free);
+ val = monitor_supply_register (regno, val + 1);
}
}
/*
- * If addr is present in the dcache, return the address of the block
- * containing it.
+ * 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
-struct dcache_block *
-dcache_hit (addr)
- unsigned int addr;
+
+static char *hms_regnames[NUM_REGS] =
{
- register struct dcache_block *db;
+ "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "CCR", "PC"
+};
- if (addr & 3)
- abort ();
+/*
+ * 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.
+ */
- /* 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;
-}
+static struct target_ops hms_ops;
-/* Return the int data at address ADDR in dcache block DC. */
-static
-int
-dcache_value (db, addr)
- struct dcache_block *db;
- unsigned int addr;
+static char *hms_inits[] =
+{"\003", /* Resets the prompt, and clears repeated cmds */
+ NULL};
+
+static struct monitor_ops hms_cmds =
{
- if (addr & 3)
- abort ();
- return (db->data[XFORM(addr)]);
-}
+ 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 */
+};
-/* 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 ()
+static void
+hms_open (args, from_tty)
+ char *args;
+ int from_tty;
{
- register struct dcache_block *db;
+ monitor_open (args, &hms_cmds, from_tty);
+}
- 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);
- }
+int write_dos_tick_delay;
- remque (db);
- insque (db, &dcache_valid);
- return (db);
+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);
}
-/* 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));
-}
+#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 <setjmp.h>
+#include <errno.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 */
-/* Write the word at ADDR both in the data cache and in the remote machine. */
-static void
-dcache_poke (addr, data)
- CORE_ADDR addr;
- int data;
-{
- register struct dcache_block *db;
+/* Forward data declarations */
+extern struct target_ops hms_ops; /* Forward declaration */
- /* 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 */
- }
-
- /* Modify the word in the cache. */
- db->data[XFORM(addr)] = data;
-
- /* Send the changed word. */
- immediate_quit++;
- hms_write_inferior_memory(addr, (unsigned char *)&data, 4);
- immediate_quit--;
-}
+/* Forward function declarations */
+static void hms_fetch_registers ();
+static int hms_store_registers ();
+static void hms_close ();
+static int hms_clear_breakpoints ();
-/* The cache itself. */
-struct dcache_block the_cache[DCACHE_SIZE];
+extern struct target_ops hms_ops;
+static void hms_drain ();
+static void add_commands ();
+static void remove_commands ();
+
+static int quiet = 1; /* FIXME - can be removed after Dec '94 */
-/* Initialize the data cache. */
-static void
-dcache_init ()
-{
- 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);
-}
/***********************************************************************
***********************************************************************/
static int timeout = 2;
-static char *dev_name = "/dev/ttya";
-
-
+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)
-
-void hms_open();
-
-#define ON 1
-#define OFF 0
-static void
-rawmode(desc, turnon)
-int desc;
-int turnon;
+static int before = 0xdead;
+static int is_open = 0;
+static int after = 0xdead;
+int
+check_open ()
{
- TERMINAL sg;
-
- if (desc < 0)
- return;
-
- ioctl (desc, TIOCGETP, &sg);
-
- 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);
+ if (before != 0xdead
+ || after != 0xdead)
+ printf ("OUTCH! \n");
+ 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 == SERIAL_TIMEOUT)
+ {
+ hms_write (".\r\n", 3);
+ error ("Timeout reading from remote system.");
+ }
+ if (buf == SERIAL_ERROR)
+ {
+ error ("Serial port error!");
+ }
- if (buf == '\0')
- error ("Timeout reading from remote system.");
+ if (!quiet || remote_debug)
+ printf_unfiltered ("%c", buf);
- if (!quiet)
- printf("%c",buf);
-
return buf & 0x7f;
}
+static void
+flush ()
+{
+ while (1)
+ {
+ int b = SERIAL_READCHAR (desc, 0);
+ if (b == SERIAL_TIMEOUT)
+ return;
+ }
+}
+
static int
readchar_nofail ()
{
- 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)
- {
- return 0;
- }
- alarm (0);
-#endif
+ buf = SERIAL_READCHAR (desc, timeout);
+ if (buf == SERIAL_TIMEOUT)
+ buf = 0;
+ if (!quiet || remote_debug)
+ printf_unfiltered ("%c", buf);
- if (buf == '\0')
- {
- return 0;
- }
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 ()
-{
- n_alarms++;
-}
-#endif
+/* 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;
-{
-
-}
-
-static check_open()
-{
- if (!OPEN(hms_desc)) {
- hms_open("",0);
- }
-}
-
-/*
- * 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()");
- check_open();
-
- dcache_flush();
- inferior_pid = 0;
- abfd = bfd_openr(args,"coff-h8300");
- 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)
- {
- int i;
-
-
-#define DELTA 2048
- char *buffer = xmalloc(DELTA);
- printf_filtered("%s: %4x .. %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 ;
-
- bfd_get_section_contents(abfd, s, buffer, i, delta);
- hms_write_inferior_memory(s->vma + i, buffer, delta);
- printf_filtered("*");
- fflush(stdout);
- }
- printf_filtered( "\n");
- 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))
- {
-char buffer[100];
- 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.
- */
-/*sprintf(buffer,"g %x", entry_pt);
-
- hms_write_cr(buffer);
- */
-hms_write_cr("");
-
- expect_prompt();
-
-
- insert_breakpoints (); /* Needed to get correct instruction in cache */
- proceed(entry_pt, -1, 0);
-
-
- }
- 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[] = {
- {9600, B9600},
- {19200, B19200},
- {300, B300},
- {1200, B1200},
- {2400, B2400},
- {4800, B4800},
- {-1, -1},
-};
+ check_open ();
-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 B19200;
+ 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()
+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 ( readchar_nofail()) /* Skip noise we put there */
- ;
-
- hms_write("r");
- if (readchar_nofail() == 'r')
- return 1;
+ hms_write ("\001", 1); /* Control A */
+ hms_write ("\r\n", 2); /* 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()
+set_rate ()
{
- TERMINAL sg;
- 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);
-
+ if (!SERIAL_SETBAUDRATE (desc, baudrate))
+ error ("Can't set baudrate");
}
-static void
-get_baudrate_right()
-{
- int which_rate = 0;
-
- while (!is_baudrate_right())
- {
- which_rate++;
- if (baudtab[which_rate].rate == -1)
+/* Close out all files and local state before this target loses control. */
+
+static void
+hms_close (quitting)
+ int quitting;
+{
+ /* Clear any break points */
+ remove_commands ();
+ hms_clear_breakpoints ();
+ sleep (1); /* Let any output make it all the way back */
+ if (is_open)
{
- which_rate = 0;
+ SERIAL_WRITE (desc, "R\r\n", 3);
+ SERIAL_CLOSE (desc);
}
-
-
- baudrate = baudtab[which_rate].rate;
- printf_filtered("Board not responding, trying %d baud\n",baudrate);
- QUIT;
- set_rate();
- }
+ is_open = 0;
}
-static void
-hms_open (name, from_tty)
- char *name;
+/* 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 ();
+ }
- unsigned int prl;
- char *p;
-
- DENTER("hms_open()");
- if(name == 0)
- {
- name = "";
-
- }
-
- hms_close (0);
-
- hms_desc = open (dev_name, O_RDWR);
- if (hms_desc < 0)
- perror_with_name (dev_name);
+ pop_target (); /* calls hms_close to do the real work
+ */
+ if (from_tty)
+ printf_filtered ("Ending remote %s debugging\n",
+ target_shortname);
+}
- set_rate();
+/* Tell the remote machine to resume. */
- dcache_init();
+void
+hms_resume (pid, step, sig)
+ int pid, step;
+ enum target_signal
+ sig;
+{
+ 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");
+ }
+}
- /* start_remote (); /* Initialize gdb process mechanisms */
+/* Wait until the remote machine stops, then return, storing status in
+ STATUS just as `wait' would. */
+int
+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. */
-#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
+ static char bpt[] = "At breakpoint:";
- /* Set up read timeout timer. */
- if ((void (*)) signal (SIGALRM, hms_timer) == (void (*)) -1)
- perror ("hms_open: error in signal");
-#endif
-
- get_baudrate_right();
-
- /* Hello? Are you there? */
- write (hms_desc, "\r", 1);
-
- expect_prompt ();
-
- /* Clear any break points */
- hms_clear_breakpoints();
-
-
- printf_filtered("Remote debugging on an H8/300 HMS via %s.\n",dev_name);
-
- DEXIT("hms_open()");
-}
-
-/* Close out all files and local state before this target loses control. */
-
-static void
-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()");
-
- /* 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()");
-}
-
-
-/* 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;
-{
- DENTER("hms_resume()");
- dcache_flush();
-
- 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");
- }
- DEXIT("hms_resume()");
-}
-
-/* Wait until the remote machine stops, then return,
- storing status in STATUS just as `wait' would. */
-
-int
-hms_wait (status)
- WAITTYPE *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. */
-
- 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;
+ 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);
- need_artificial_trap--;
- return 0;
- }
+ {
+ 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. */
+ 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)
- {
- bp++;
- if (*bp == '\0')
- break;
- ch_handled = 1;
-
- *swallowed_p++ = ch;
- }
- else
+ while (1)
{
- bp = bpt;
+ QUIT; /* Let user quit and leave process running */
+ ch_handled = 0;
+ ch = readchar ();
+ if (ch == *bp)
+ {
+ bp++;
+ if (*bp == '\0')
+ break;
+ ch_handled = 1;
+
+ *swallowed_p++ = ch;
+ }
+ else
+ {
+ bp = bpt;
+ }
+ if
+ (ch == *ep || *ep == '?')
+ {
+ ep++;
+ if (*ep == '\0')
+ break;
+
+ if (!ch_handled)
+ *swallowed_p++ = ch;
+ 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)
+ putchar_unfiltered (*p);
+ swallowed_p = swallowed;
+
+ if ((ch != '\r' && ch != '\n') || swallowed_cr > 10)
+ {
+ putchar_unfiltered (ch);
+ swallowed_cr = 10;
+ }
+ swallowed_cr++;
+
+ }
}
- if (ch == *ep || *ep == '?')
+ if (*bp == '\0')
{
- ep++;
- if (*ep == '\0')
- break;
-
- if (!ch_handled)
- *swallowed_p++ = ch;
- ch_handled = 1;
- }
- else
+ status->kind = TARGET_WAITKIND_STOPPED;
+ status->value.sig = TARGET_SIGNAL_TRAP;
+ expect_prompt ();
+ }
+ else
{
- ep = exitmsg;
+ status->kind = TARGET_WAITKIND_EXITED;
+ status->value.integer =
+ TARGET_SIGNAL_STOP;
}
-
- if (!ch_handled) {
- char *p;
- /* Print out any characters which have been swallowed. */
- for (p = swallowed; p < swallowed_p; ++p)
- putc (*p, stdout);
- swallowed_p = swallowed;
-
-
- if ((ch != '\r' && ch != '\n') || swallowed_cr>10)
- {
- putc (ch, stdout);
- swallowed_cr = 10;
- }
- swallowed_cr ++;
-
- }
- }
- if (*bp== '\0')
- {
- WSETSTOP ((*status), SIGTRAP);
- expect_prompt();
- }
- else
- {
- WSETEXIT ((*status), 0);
- }
-
+
timeout = old_timeout;
immediate_quit = old_immediate_quit;
- 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 (">");
+ }
}
-hms_write_cr(s)
-char *s;
+hms_write_cr (s)
+ char *s;
{
-hms_write( s, strlen(s));
-hms_write("\r",1);
+ 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;
+{
+ int ok;
+ char raw[4];
+ switch (size)
+ {
+ 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:
+ {
+ 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);
+ }
+ }
+
+}
static void
-hms_fetch_registers ()
+hms_fetch_register (dummy)
+ int dummy;
{
-#define REGREPLY_SIZE 79
- char linebuf[REGREPLY_SIZE+1];
+#define REGREPLY_SIZE 108
+ char linebuf[REGREPLY_SIZE + 1];
int i;
- int s ;
+ int s;
int gottok;
-
- REGISTER_TYPE 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')
+
+ LONGEST reg[NUM_REGS];
+ check_open ();
+
+ do
{
- /*
- 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);
- }
+
+ 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')
+ {
+
+ /*
+ 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);
- for (i = 0; i < NUM_REGS; i++)
- {
- supply_register (i, reg+i);
- }
}
+#endif
-/* Fetch register REGNO, or all registers if REGNO is -1.
- */
+#ifdef GDB_TARGET_IS_H8300
static void
-hms_fetch_register (regno)
- int regno;
+hms_fetch_register (dummy)
+ int dummy;
{
+#define REGREPLY_SIZE 79
+ char linebuf[REGREPLY_SIZE + 1];
+ int i;
+ int s;
+ int gottok;
- hms_fetch_registers ();
+ ULONGEST reg[NUM_REGS];
-}
+ check_open ();
+
+ do
+ {
+ hms_write_cr ("r");
-/* Store the remote registers from the contents of the block REGS. */
+ s = timed_read (linebuf, 1, 1);
-static int
-hms_store_registers ()
-{
- int i;
+ 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("hms_store_register() called.\n"); fflush(stdout); /* */
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);
-
-
- 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 & 0xffff, end & 0xffff);
- 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_cr(" ");
- 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,
- 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;
{
-check_open();
+ check_open ();
-
- if (s)
- {
- char buffer[100];
- int newrate = atoi(s);
- int which = 0;
- while (baudtab[which].rate != newrate)
+ 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_cr(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