/* Remote debugging interface for Hitachi HMS Monitor Version 1.0
- Copyright 1992, 1993, 1994 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 void hms_drain ();
-static void add_commands ();
-static void remove_commands ();
-
-static int quiet = 1;
-
-
-serial_t desc;
-
-/***********************************************************************/
-/* 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));
+static void
+hms_supply_register (regname, regnamelen, val, vallen)
+ char *regname;
+ int regnamelen;
+ char *val;
+ int vallen;
+{
+ int regno;
- Each cache block holds LINE_SIZE bytes of data
- starting at a multiple-of-LINE_SIZE address. */
+ 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 ;
+static void init_hms_cmds(void)
{
- if (addr & 3)
- abort ();
- return (db->data[XFORM (addr)]);
-}
+ hms_cmds.flags = MO_CLR_BREAK_USES_ADDR | MO_FILL_USES_ADDR | MO_GETMEM_NEEDS_RANGE;
+ hms_cmds.init = hms_inits; /* Init strings */
+ hms_cmds.cont = "g\r"; /* continue command */
+ hms_cmds.step = "s\r"; /* single step */
+ hms_cmds.stop = "\003"; /* ^C interrupts the program */
+ hms_cmds.set_break = "b %x\r"; /* set a breakpoint */
+ hms_cmds.clr_break = "b - %x\r"; /* clear a breakpoint */
+ hms_cmds.clr_all_break = "b -\r"; /* clear all breakpoints */
+ hms_cmds.fill = "f %x %x %x\r"; /* fill (start end val) */
+ hms_cmds.setmem.cmdb = "m.b %x=%x\r"; /* setmem.cmdb (addr, value) */
+ hms_cmds.setmem.cmdw = "m.w %x=%x\r"; /* setmem.cmdw (addr, value) */
+ hms_cmds.setmem.cmdl = NULL; /* setmem.cmdl (addr, value) */
+ hms_cmds.setmem.cmdll = NULL; /* setmem.cmdll (addr, value) */
+ hms_cmds.setmem.resp_delim = NULL;/* setreg.resp_delim */
+ hms_cmds.setmem.term = NULL; /* setreg.term */
+ hms_cmds.setmem.term_cmd = NULL; /* setreg.term_cmd */
+ hms_cmds.getmem.cmdb = "m.b %x %x\r"; /* getmem.cmdb (addr, addr) */
+ hms_cmds.getmem.cmdw = "m.w %x %x\r"; /* getmem.cmdw (addr, addr) */
+ hms_cmds.getmem.cmdl = NULL; /* getmem.cmdl (addr, addr) */
+ hms_cmds.getmem.cmdll = NULL; /* getmem.cmdll (addr, addr) */
+ hms_cmds.getmem.resp_delim = ": ";/* getmem.resp_delim */
+ hms_cmds.getmem.term = ">"; /* getmem.term */
+ hms_cmds.getmem.term_cmd = "\003";/* getmem.term_cmd */
+ hms_cmds.setreg.cmd = "r %s=%x\r";/* setreg.cmd (name, value) */
+ hms_cmds.setreg.resp_delim = NULL;/* setreg.resp_delim */
+ hms_cmds.setreg.term = NULL; /* setreg.term */
+ hms_cmds.setreg.term_cmd = NULL; /* setreg.term_cmd */
+ hms_cmds.getreg.cmd = "r %s\r"; /* getreg.cmd (name) */
+ hms_cmds.getreg.resp_delim = " (";/* getreg.resp_delim */
+ hms_cmds.getreg.term = ":"; /* getreg.term */
+ hms_cmds.getreg.term_cmd = "\003";/* getreg.term_cmd */
+ hms_cmds.dump_registers = "r\r"; /* dump_registers */
+ hms_cmds.register_pattern = "\\(\\w+\\)=\\([0-9a-fA-F]+\\)"; /* register_pattern */
+ hms_cmds.supply_register = hms_supply_register; /* supply_register */
+ hms_cmds.load_routine = NULL; /* load_routine (defaults to SRECs) */
+ hms_cmds.load = "tl\r"; /* download command */
+ hms_cmds.loadresp = NULL; /* load response */
+ hms_cmds.prompt = ">"; /* monitor command prompt */
+ hms_cmds.line_term = "\r"; /* end-of-command delimitor */
+ hms_cmds.cmd_end = NULL; /* optional command terminator */
+ hms_cmds.target = &hms_ops; /* target operations */
+ hms_cmds.stopbits = SERIAL_1_STOPBITS;/* number of stop bits */
+ hms_cmds.regnames = hms_regnames; /* registers names */
+ hms_cmds.magic = MONITOR_OPS_MAGIC; /* magic */
+} /* init_hms-cmds */
-/* 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_hms_cmds() ;
+ init_monitor_ops (&hms_ops);
+
+ hms_ops.to_shortname = "hms";
+ hms_ops.to_longname = "Hitachi Microsystems H8/300 debug monitor";
+ hms_ops.to_doc = "Debug via the HMS monitor.\n\
+Specify the serial device it is connected to (e.g. /dev/ttya).";
+ hms_ops.to_open = hms_open;
+ /* By trial and error I've found that this delay doesn't break things */
+ write_dos_tick_delay = 1;
+ add_target (&hms_ops);
}
-/* 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 */
- }
+/* Forward function declarations */
+static void hms_fetch_registers ();
+static int hms_store_registers ();
+static void hms_close ();
+static int hms_clear_breakpoints ();
- /* Modify the word in the cache. */
- db->data[XFORM (addr)] = data;
+extern struct target_ops hms_ops;
+static void hms_drain ();
+static void add_commands ();
+static void remove_commands ();
- /* Send the changed word. */
- immediate_quit++;
- hms_write_inferior_memory (addr, (unsigned char *) &data, 4);
- immediate_quit--;
-}
+static int quiet = 1; /* FIXME - can be removed after Dec '94 */
-/* The cache itself. */
-struct dcache_block the_cache[DCACHE_SIZE];
-/* 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);
-}
/***********************************************************************
* I/O stuff stolen from remote-eb.c
hms_open knows that we don't have a file open when the program
starts. */
-int is_open = 0;
+static int before = 0xdead;
+static int is_open = 0;
+static int after = 0xdead;
int
check_open ()
{
+ if (before != 0xdead
+ || after != 0xdead)
+ printf ("OUTCH! \n");
if (!is_open)
{
error ("remote device not open");
error ("Serial port error!");
}
- if (!quiet)
+ if (!quiet || remote_debug)
printf_unfiltered ("%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 ()
{
buf = SERIAL_READCHAR (desc, timeout);
if (buf == SERIAL_TIMEOUT)
buf = 0;
- if (!quiet)
+ if (!quiet || remote_debug)
printf_unfiltered ("%c", buf);
return buf & 0x7f;
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++;
+ }
}
}
}
-/*
- * Download a file specified in 'args', to the hms.
- */
-static void
-hms_load (args, fromtty)
- char *args;
- int fromtty;
-{
- bfd *abfd;
- asection *s;
- int n;
- char buffer[1024];
-
- 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)
- {
- 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;
-
- 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;
- }
- sprintf (buffer, "r PC=%x", abfd->start_address);
- hms_write_cr (buffer);
- expect_prompt ();
- /* Turn off all breakpoints */
- hms_write_cr ("b -");
- expect_prompt ();
-}
-
/* This is called not only when we first attach, but also when the
user types "run" after having attached. */
void
}
-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_init ();
-
- /* Hello? Are you there? */
- SERIAL_WRITE (desc, "\r\n", 2);
- expect_prompt ();
-
- /* Clear any break points */
- hms_clear_breakpoints ();
-
- printf_filtered ("Connected to remote board running HMS monitor.\n");
- add_commands ();
- hms_drain ();
-}
/* Close out all files and local state before this target loses control. */
}
/* Terminate the open connection to the remote debugger. Use this
-when you want to detach and do something else with your gdb. */ void
+ when you want to detach and do something else with your gdb. */ void
hms_detach (args, from_tty)
char *args;
int from_tty;
}
pop_target (); /* calls hms_close to do the real work
-*/
+ */
if (from_tty)
printf_filtered ("Ending remote %s debugging\n",
target_shortname);
enum target_signal
sig;
{
- 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. */
+ 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
}
/* Wait until the remote machine stops, then return, storing status in
-STATUS just as `wait' would. */
+ STATUS just as `wait' would. */
int
hms_wait (pid, status)
/* 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>";
+ don't know that the file has symbols. */
+ static char exitmsg[] = "HMS>";
char *bp = bpt;
char *ep = exitmsg;
return 0;
}
- timeout = -1; /* 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)
}
if
(ch == *ep || *ep == '?')
- {
- ep++;
- if (*ep == '\0')
- break;
-
- if (!ch_handled)
- *swallowed_p++ = ch;
- ch_handled =
- 1;
- }
+ {
+ ep++;
+ if (*ep == '\0')
+ break;
+
+ if (!ch_handled)
+ *swallowed_p++ = ch;
+ ch_handled =
+ 1;
+ }
else
{
ep = exitmsg;
/* Print out any characters which have been swallowed. */
for (p = swallowed; p < swallowed_p; ++p)
- putc_unfiltered (*p);
+ putchar_unfiltered (*p);
swallowed_p = swallowed;
if ((ch != '\r' && ch != '\n') || swallowed_cr > 10)
{
- putc_unfiltered (ch);
+ putchar_unfiltered (ch);
swallowed_cr = 10;
}
swallowed_cr++;
}
/* Return the name of register number REGNO in the form input and
-output by hms.
+ output by hms.
Returns a pointer to a static buffer containing the answer. */
static char *
return rn[regno];
}
-/* Read the remote registers. */
+/* Read the remote registers. */
static int
gethex (length, start, ok)
}
else if
(*start >= '0' && *start <= '9')
- {
- result += *start - '0';
- }
+ {
+ result += *start - '0';
+ }
else
*ok = 0;
start++;
SERIAL_WRITE (desc, a, l);
- if (!quiet)
+ if (!quiet || remote_debug)
{
printf_unfiltered ("<");
for (i = 0; i < l; i++)
/* 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>
+ 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;
{
/*
- 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>
- */
+ 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;
int s;
int gottok;
- unsigned LONGEST reg[NUM_REGS];
+ ULONGEST reg[NUM_REGS];
check_open ();
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
- */
+ 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);
}
-/* Read a word from remote address ADDR and return it.
- * This goes through the data cache.
- */
-int
-hms_fetch_word (addr)
- CORE_ADDR addr;
-{
- return dcache_fetch (addr);
-}
-
-/* Write a word WORD into remote address ADDR.
- This goes through the data cache. */
-
-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)
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 */
-
- memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, 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. */
- memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
- }
return len;
}
/* 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.
+ * sb/sh instructions don't work on unaligned addresses, when TU=1.
*/
/* Read LEN bytes from inferior memory at MEMADDR. Put the result
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 ();
sprintf (buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
+
+ flush ();
hms_write_cr (buffer);
- /* drop the echo and newline*/
+ /* drop the echo and newline */
for (i = 0; i < 13; i++)
readchar ();
char byte[16];
buffer[0] = readchar ();
+ while (buffer[0] == '\r'
+ || buffer[0] == '\n')
+ buffer[0] = readchar ();
+
if (buffer[0] == 'M')
break;
- for (i = 1; i < 66; i++)
- buffer[i] = readchar ();
+
+ 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 ();
/* Now parse the line */
byte[p] = gethex (2, buffer + idx, &ok);
byte[p + 1] = gethex (2, buffer + idx + 2, &ok);
idx += 5;
-
}
for (p = 0; p < 16; p++)
/* Clear all input so only command relative output is displayed */
hms_write_cr (args);
-/* hms_write ("\030", 1);*/
+/* 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 ();
+
+ /* 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 =
+struct target_ops hms_ops ;
+static void init_hms_ops(void)
{
- "hms", "Remote HMS monitor",
- "Use the H8 evaluation board running the HMS monitor connected\n\
-by a serial line.",
-
- 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_ops.to_shortname = "hms";
+ hms_ops.to_longname = "Remote HMS monitor";
+ hms_ops.to_doc = "Use the H8 evaluation board running the HMS monitor connected\n\
+by a serial line.";
+ hms_ops.to_open = hms_open;
+ hms_ops.to_close = hms_close;
+ hms_ops.to_attach = 0;
+ hms_ops.to_detach = hms_detach;
+ hms_ops.to_resume = hms_resume;
+ hms_ops.to_wait = hms_wait;
+ hms_ops.to_fetch_registers = hms_fetch_register;
+ hms_ops.to_store_registers = hms_store_register;
+ hms_ops.to_prepare_to_store = hms_prepare_to_store;
+ hms_ops.to_xfer_memory = hms_xfer_inferior_memory;
+ hms_ops.to_files_info = hms_files_info;
+ hms_ops.to_insert_breakpoint = hms_insert_breakpoint;
+ hms_ops.to_remove_breakpoint = hms_remove_breakpoint;
+ hms_ops.to_terminal_init = 0;
+ hms_ops.to_terminal_inferior = 0;
+ hms_ops.to_terminal_ours_for_output = 0;
+ hms_ops.to_terminal_ours = 0;
+ hms_ops.to_terminal_info = 0;
+ hms_ops.to_kill = hms_kill;
+ hms_ops.to_load = generic_load;
+ hms_ops.to_lookup_symbol = 0;
+ hms_ops.to_create_inferior = hms_create_inferior;
+ hms_ops.to_mourn_inferior = hms_mourn;
+ hms_ops.to_can_run = 0;
+ hms_ops.to_notice_signals = 0;
+ hms_ops.to_thread_alive = 0;
+ hms_ops.to_stop = 0;
+ hms_ops.to_stratum = process_stratum;
+ hms_ops.DONT_USE = 0;
+ hms_ops.to_has_all_memory = 1;
+ hms_ops.to_has_memory = 1;
+ hms_ops.to_has_stack = 1;
+ hms_ops.to_has_registers = 1;
+ hms_ops.to_has_execution = 1;
+ hms_ops.to_sections = 0;
+ hms_ops.to_sections_end = 0;
+ hms_ops.to_magic = OPS_MAGIC;
};
-hms_quiet ()
+hms_quiet () /* FIXME - this routine can be removed after Dec '94 */
{
quiet = !quiet;
if (quiet)
else
printf_filtered ("Snoop enabled\n");
+ printf_filtered ("`snoop' is obsolete, please use `set remotedebug'.\n");
}
hms_device (s)
hms_drain (args, fromtty)
char *args;
int fromtty;
-
{
int c;
while (1)
add_commands ()
{
- add_com ("hmsdrain", class_obscure, hms_drain,
+ add_com ("hms_drain", class_obscure, hms_drain,
"Drain pending hms text buffers.");
}
delete_cmd ("hms-drain", &cmdlist);
}
+
void
_initialize_remote_hms ()
{
+ init_hms_ops() ;
add_target (&hms_ops);
add_com ("hms <command>", class_obscure, hms_com,
"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");
dev_name = NULL;
}
+#endif
+