1 /* Remote debugging interface for Hitachi HMS Monitor Version 1.0
2 Copyright 1992 Free Software Foundation, Inc.
3 Contributed by Cygnus Support. Written by Steve Chamberlain
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
37 /* External data declarations */
38 extern int stop_soon_quietly; /* for wait_for_inferior */
40 /* Forward data declarations */
41 extern struct target_ops hms_ops; /* Forward declaration */
43 /* Forward function declarations */
44 static void hms_fetch_registers ();
45 static int hms_store_registers ();
46 static void hms_close ();
47 static int hms_clear_breakpoints ();
49 extern struct target_ops hms_ops;
56 /***********************************************************************/
57 /* Caching stuff stolen from remote-nindy.c */
59 /* The data cache records all the data read from the remote machine
60 since the last time it stopped.
62 Each cache block holds LINE_SIZE bytes of data
63 starting at a multiple-of-LINE_SIZE address. */
65 #define LINE_SIZE_POWER 4
66 #define LINE_SIZE (1<<LINE_SIZE_POWER) /* eg 1<<3 == 8 */
67 #define LINE_SIZE_MASK ((LINE_SIZE-1)) /* eg 7*2+1= 111*/
68 #define DCACHE_SIZE 64 /* Number of cache blocks */
69 #define XFORM(x) ((x&LINE_SIZE_MASK)>>2)
72 struct dcache_block *next, *last;
73 unsigned int addr; /* Address for which data is recorded. */
74 int data[LINE_SIZE / sizeof (int)];
77 struct dcache_block dcache_free, dcache_valid;
79 /* Free all the data cache blocks, thus discarding all cached data. */
84 register struct dcache_block *db;
86 while ((db = dcache_valid.next) != &dcache_valid)
89 insque (db, &dcache_free);
94 * If addr is present in the dcache, return the address of the block
102 register struct dcache_block *db;
107 /* Search all cache blocks for one that is at this address. */
108 db = dcache_valid.next;
109 while (db != &dcache_valid)
111 if ((addr & ~LINE_SIZE_MASK) == db->addr)
118 /* Return the int data at address ADDR in dcache block DC. */
121 dcache_value (db, addr)
122 struct dcache_block *db;
127 return (db->data[XFORM (addr)]);
130 /* Get a free cache block, put or keep it on the valid list,
131 and return its address. The caller should store into the block
132 the address and data that it describes, then remque it from the
133 free list and insert it into the valid list. This procedure
134 prevents errors from creeping in if a ninMemGet is interrupted
135 (which used to put garbage blocks in the valid list...). */
137 struct dcache_block *
140 register struct dcache_block *db;
142 if ((db = dcache_free.next) == &dcache_free)
144 /* If we can't get one from the free list, take last valid and put
145 it on the free list. */
146 db = dcache_valid.last;
148 insque (db, &dcache_free);
152 insque (db, &dcache_valid);
156 /* Return the contents of the word at address ADDR in the remote machine,
157 using the data cache. */
163 register struct dcache_block *db;
165 db = dcache_hit (addr);
168 db = dcache_alloc ();
170 hms_read_inferior_memory (addr & ~LINE_SIZE_MASK, (unsigned char *) db->data, LINE_SIZE);
172 db->addr = addr & ~LINE_SIZE_MASK;
173 remque (db); /* Off the free list */
174 insque (db, &dcache_valid); /* On the valid list */
176 return (dcache_value (db, addr));
179 /* Write the word at ADDR both in the data cache and in the remote machine. */
181 dcache_poke (addr, data)
185 register struct dcache_block *db;
187 /* First make sure the word is IN the cache. DB is its cache block. */
188 db = dcache_hit (addr);
191 db = dcache_alloc ();
193 hms_write_inferior_memory (addr & ~LINE_SIZE_MASK, (unsigned char *) db->data, LINE_SIZE);
195 db->addr = addr & ~LINE_SIZE_MASK;
196 remque (db); /* Off the free list */
197 insque (db, &dcache_valid); /* On the valid list */
200 /* Modify the word in the cache. */
201 db->data[XFORM (addr)] = data;
203 /* Send the changed word. */
205 hms_write_inferior_memory (addr, (unsigned char *) &data, 4);
209 /* The cache itself. */
210 struct dcache_block the_cache[DCACHE_SIZE];
212 /* Initialize the data cache. */
217 register struct dcache_block *db;
220 dcache_free.next = dcache_free.last = &dcache_free;
221 dcache_valid.next = dcache_valid.last = &dcache_valid;
222 for (i = 0; i < DCACHE_SIZE; i++, db++)
223 insque (db, &dcache_free);
226 /***********************************************************************
227 * I/O stuff stolen from remote-eb.c
228 ***********************************************************************/
230 static int timeout = 2;
232 static const char *dev_name;
234 /* Descriptor for I/O to remote machine. Initialize it to -1 so that
235 hms_open knows that we don't have a file open when the program
244 error ("remote device not open");
251 /* Read a character from the remote system, doing all the fancy
258 buf = SERIAL_READCHAR (desc, timeout);
260 if (buf == SERIAL_TIMEOUT)
261 error ("Timeout reading from remote system.");
264 printf_unfiltered ("%c", buf);
274 buf = SERIAL_READCHAR (desc, timeout);
275 if (buf == SERIAL_TIMEOUT)
278 printf_unfiltered ("%c", buf);
284 /* Keep discarding input from the remote system, until STRING is found.
285 Let the user break out immediately. */
295 if (readchar () == *p)
309 /* Keep discarding input until we see the hms prompt.
311 The convention for dealing with the prompt is that you
313 o *then* wait for the prompt.
315 Thus the last thing that a procedure does with the serial line
316 will be an expect_prompt(). Exception: hms_resume does not
317 wait for the prompt, because the terminal is being handed over
318 to the inferior. However, the next thing which happens after that
319 is a hms_wait which does wait for the prompt.
320 Note that this includes abnormal exit, e.g. error(). This is
321 necessary to prevent getting into states from which we can't
329 /* Get a hex digit from the remote system & return its value.
330 If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */
332 get_hex_digit (ignore_space)
340 if (ch >= '0' && ch <= '9')
342 else if (ch >= 'A' && ch <= 'F')
343 return ch - 'A' + 10;
344 else if (ch >= 'a' && ch <= 'f')
345 return ch - 'a' + 10;
346 else if (ch == ' ' && ignore_space)
351 error ("Invalid hex digit from remote system.");
356 /* Get a byte from hms_desc and put it in *BYT. Accept any number
364 val = get_hex_digit (1) << 4;
365 val |= get_hex_digit (0);
369 /* Read a 32-bit hex word from the hms, preceded by a space */
377 for (j = 0; j < 8; j++)
378 val = (val << 4) + get_hex_digit (j == 0);
382 /* Called when SIGALRM signal sent due to alarm() timeout. */
384 /* Number of SIGTRAPs we need to simulate. That is, the next
385 NEED_ARTIFICIAL_TRAP calls to hms_wait should just return
386 SIGTRAP without actually waiting for anything. */
388 static int need_artificial_trap = 0;
391 hms_kill (arg, from_tty)
399 * Download a file specified in 'args', to the hms.
402 hms_load (args, fromtty)
415 abfd = bfd_openr (args, gnutarget);
418 printf_filtered ("Unable to open file %s\n", args);
422 if (bfd_check_format (abfd, bfd_object) == 0)
424 printf_filtered ("File is not an object file\n");
429 while (s != (asection *) NULL)
431 if (s->flags & SEC_LOAD)
436 char *buffer = xmalloc (DELTA);
438 printf_filtered ("%s\t: 0x%4x .. 0x%4x ", s->name, s->vma, s->vma + s->_raw_size);
439 for (i = 0; i < s->_raw_size; i += DELTA)
443 if (delta > s->_raw_size - i)
444 delta = s->_raw_size - i;
446 bfd_get_section_contents (abfd, s, buffer, i, delta);
447 hms_write_inferior_memory (s->vma + i, buffer, delta);
448 printf_filtered ("*");
449 gdb_flush (gdb_stdout);
451 printf_filtered ("\n");
456 sprintf (buffer, "r PC=%x", abfd->start_address);
457 hms_write_cr (buffer);
459 /* Turn off all breakpoints */
460 hms_write_cr ("b -");
464 /* This is called not only when we first attach, but also when the
465 user types "run" after having attached. */
467 hms_create_inferior (execfile, args, env)
476 error ("Can't pass arguments to remote hms process.");
478 if (execfile == 0 || exec_bfd == 0)
479 error ("No exec file specified");
481 entry_pt = (int) bfd_get_start_address (exec_bfd);
484 hms_kill (NULL, NULL);
485 hms_clear_breakpoints ();
486 init_wait_for_inferior ();
490 insert_breakpoints (); /* Needed to get correct instruction in cache */
491 proceed (entry_pt, TARGET_SIGNAL_DEFAULT, 0);
494 /* Open a connection to a remote debugger.
495 NAME is the filename used for communication, then a space,
503 while (*s && !isspace (*s))
524 while (*s && !isspace (*s))
530 copy = xmalloc (len + 1);
531 memcpy (copy, word, len);
537 static int baudrate = 9600;
544 /* Put this port into NORMAL mode, send the 'normal' character */
546 hms_write ("\001", 1); /* Control A */
547 hms_write ("\r", 1); /* Cr */
551 ok = SERIAL_READCHAR (desc, timeout);
558 if (readchar_nofail () == 'r')
561 /* Not the right baudrate, or the board's not on */
567 if (!SERIAL_SETBAUDRATE (desc, baudrate))
568 error ("Can't set baudrate");
573 hms_open (name, from_tty)
586 dev_name = strdup (name);
588 if (!(desc = SERIAL_OPEN (dev_name)))
589 perror_with_name ((char *) dev_name);
593 push_target (&hms_ops);
596 /* Hello? Are you there? */
597 SERIAL_WRITE (desc, "\r", 1);
600 /* Clear any break points */
601 hms_clear_breakpoints ();
603 printf_filtered ("Connected to remote board running HMS monitor.\n");
606 /* Close out all files and local state before this target loses control. */
612 /* Clear any break points */
613 hms_clear_breakpoints ();
614 sleep (1); /* Let any output make it all the way back */
617 SERIAL_WRITE (desc, "R\r", 2);
623 /* Terminate the open connection to the remote debugger.
624 Use this when you want to detach and do something else
627 hms_detach (args, from_tty)
633 hms_clear_breakpoints ();
636 pop_target (); /* calls hms_close to do the real work */
638 printf_filtered ("Ending remote %s debugging\n", target_shortname);
641 /* Tell the remote machine to resume. */
644 hms_resume (pid, step, sig)
646 enum target_signal sig;
655 /* Force the next hms_wait to return a trap. Not doing anything
656 about I/O from the target means that the user has to type
657 "continue" to see any. FIXME, this should be fixed. */
658 need_artificial_trap = 1;
667 /* Wait until the remote machine stops, then return,
668 storing status in STATUS just as `wait' would. */
671 hms_wait (pid, status)
673 struct target_waitstatus *status;
675 /* Strings to look for. '?' means match any single character.
676 Note that with the algorithm we use, the initial character
677 of the string cannot recur in the string, or we will not
678 find some cases of the string in the input. */
680 static char bpt[] = "At breakpoint:";
682 /* It would be tempting to look for "\n[__exit + 0x8]\n"
683 but that requires loading symbols with "yc i" and even if
684 we did do that we don't know that the file has symbols. */
685 static char exitmsg[] = "HMS>";
689 /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */
692 /* Current position in swallowed. */
693 char *swallowed_p = swallowed;
697 int old_timeout = timeout;
698 int old_immediate_quit = immediate_quit;
699 int swallowed_cr = 0;
701 status->kind = TARGET_WAITKIND_EXITED;
702 status->value.integer = 0;
704 if (need_artificial_trap != 0)
706 status->kind = TARGET_WAITKIND_STOPPED;
707 status->value.sig = TARGET_SIGNAL_TRAP;
708 need_artificial_trap--;
712 timeout = -1; /* Don't time out -- user program is running. */
713 immediate_quit = 1; /* Helps ability to QUIT */
716 QUIT; /* Let user quit and leave process running */
732 if (ch == *ep || *ep == '?')
751 /* Print out any characters which have been swallowed. */
752 for (p = swallowed; p < swallowed_p; ++p)
753 putc_unfiltered (*p);
754 swallowed_p = swallowed;
756 if ((ch != '\r' && ch != '\n') || swallowed_cr > 10)
758 putc_unfiltered (ch);
767 status->kind = TARGET_WAITKIND_STOPPED;
768 status->value.sig = TARGET_SIGNAL_TRAP;
773 status->kind = TARGET_WAITKIND_EXITED;
774 status->value.integer = TARGET_SIGNAL_STOP;
777 timeout = old_timeout;
778 immediate_quit = old_immediate_quit;
782 /* Return the name of register number REGNO
783 in the form input and output by hms.
785 Returns a pointer to a static buffer containing the answer. */
790 static char *rn[] = REGISTER_NAMES;
795 /* Read the remote registers. */
797 gethex (length, start, ok)
807 if (*start >= 'a' && *start <= 'f')
809 result += *start - 'a' + 10;
811 else if (*start >= 'A' && *start <= 'F')
813 result += *start - 'A' + 10;
815 else if (*start >= '0' && *start <= '9')
817 result += *start - '0';
827 timed_read (buf, n, timeout)
853 SERIAL_WRITE (desc, a, l);
856 for (i = 0; i < l; i++)
858 printf_unfiltered ("%c", a[i]);
865 hms_write (s, strlen (s));
869 #ifdef GDB_TARGET_IS_H8500
871 /* H8/500 monitor reg dump looks like:
874 PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00
875 R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE
881 supply_val(n, size, ptr, segptr)
892 raw[0] = gethex(2, ptr, &ok);
893 raw[1] = gethex(2, ptr+2, &ok);
894 supply_register (n, raw);
897 raw[0] = gethex(2,ptr,&ok);
898 supply_register (n, raw);
902 int v = gethex (4, ptr, &ok);
903 v |= gethex (2, segptr, &ok) << 16;
905 raw[1] = (v>>16) & 0xff ;
906 raw[2] = (v>>8) & 0xff ;
907 raw[3] = (v>>0) & 0xff ;
908 supply_register (n, raw);
914 hms_fetch_register (dummy)
917 #define REGREPLY_SIZE 108
918 char linebuf[REGREPLY_SIZE + 1];
923 REGISTER_TYPE reg[NUM_REGS];
932 s = timed_read (linebuf+1, REGREPLY_SIZE, 1);
934 linebuf[REGREPLY_SIZE] = 0;
936 if (linebuf[3] == 'P' &&
939 linebuf[105] == 'H' &&
940 linebuf[106] == 'M' &&
947 -------1---------2---------3---------4---------5-----
948 345678901234567890123456789012345678901234567890123456
949 PC:8000 SR:070C .7NZ.. CP:00 DP:00 EP:00 TP:00 BR:00**
950 ---6---------7---------8---------9--------10----
951 789012345678901234567890123456789012345678901234
952 R0-R7: FF5A 0001 F4FE F500 0000 F528 F528 F4EE**
960 supply_val(PC_REGNUM, 4, linebuf+6, linebuf+29);
962 supply_val(CCR_REGNUM, 2, linebuf+14);
963 supply_val(SEG_C_REGNUM, 1, linebuf+29);
964 supply_val(SEG_D_REGNUM, 1, linebuf+35);
965 supply_val(SEG_E_REGNUM, 1, linebuf+41);
966 supply_val(SEG_T_REGNUM, 1, linebuf+47);
967 for (i = 0; i < 8; i++)
969 static int sr[8] = { 35,35,35,35,
973 char *src = linebuf + 64 + 5 * i;
974 char *segsrc = linebuf + sr[i];
975 supply_val(R0_REGNUM + i, 2, src);
976 supply_val(PR0_REGNUM + i, 4, src, segsrc);
989 #ifdef GDB_TARGET_IS_H8300
991 hms_fetch_register (dummy)
994 #define REGREPLY_SIZE 79
995 char linebuf[REGREPLY_SIZE + 1];
1000 unsigned LONGEST reg[NUM_REGS];
1009 s = timed_read (linebuf, REGREPLY_SIZE, 1);
1011 linebuf[REGREPLY_SIZE] = 0;
1013 if (linebuf[0] == 'r' &&
1014 linebuf[3] == 'P' &&
1015 linebuf[4] == 'C' &&
1016 linebuf[5] == '=' &&
1017 linebuf[75] == 'H' &&
1018 linebuf[76] == 'M' &&
1022 PC=XXXX CCR=XX:XXXXXXXX R0-R7= XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX
1023 5436789012345678901234567890123456789012345678901234567890123456789012
1028 reg[PC_REGNUM] = gethex (4, linebuf + 6, &gottok);
1029 reg[CCR_REGNUM] = gethex (2, linebuf + 15, &gottok);
1030 for (i = 0; i < 8; i++)
1032 reg[i] = gethex (4, linebuf + 34 + 5 * i, &gottok);
1037 for (i = 0; i < NUM_REGS; i++)
1041 swapped[1] = reg[i];
1042 swapped[0] = (reg[i]) >> 8;
1044 supply_register (i, swapped);
1048 /* Store register REGNO, or all if REGNO == -1.
1049 Return errno value. */
1051 hms_store_register (regno)
1056 for (regno = 0; regno < NUM_REGS; regno++)
1058 hms_store_register (regno);
1063 char *name = get_reg_name (regno);
1065 /* Regs starting pr<foo> don't really exist */
1066 if (!(name[0] == 'p' && name[1] == 'r') ) {
1067 sprintf (buffer, "r %s=%x", name, read_register (regno));
1068 hms_write_cr (buffer);
1075 /* Get ready to modify the registers array. On machines which store
1076 individual registers, this doesn't need to do anything. On machines
1077 which store all the registers in one fell swoop, this makes sure
1078 that registers contains all the registers from the program being
1082 hms_prepare_to_store ()
1084 /* Do nothing, since we can store individual regs */
1088 translate_addr (addr)
1096 /* Read a word from remote address ADDR and return it.
1097 * This goes through the data cache.
1100 hms_fetch_word (addr)
1103 return dcache_fetch (addr);
1106 /* Write a word WORD into remote address ADDR.
1107 This goes through the data cache. */
1110 hms_store_word (addr, word)
1114 dcache_poke (addr, word);
1118 hms_xfer_inferior_memory (memaddr, myaddr, len, write, target)
1123 struct target_ops *target; /* ignored */
1127 /* Round starting address down to longword boundary. */
1128 register CORE_ADDR addr;
1130 /* Round ending address up; get number of longwords that makes. */
1133 /* Allocate buffer of that many longwords. */
1134 register int *buffer;
1137 addr = memaddr & -sizeof (int);
1138 count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int);
1140 buffer = (int *) alloca (count * sizeof (int));
1144 /* Fill start and end extra bytes of buffer with existing memory data. */
1146 if (addr != memaddr || len < (int) sizeof (int))
1148 /* Need part of initial word -- fetch it. */
1149 buffer[0] = hms_fetch_word (addr);
1152 if (count > 1) /* FIXME, avoid if even boundary */
1155 = hms_fetch_word (addr + (count - 1) * sizeof (int));
1158 /* Copy data to be written over corresponding part of buffer */
1160 memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len);
1162 /* Write the entire buffer. */
1164 for (i = 0; i < count; i++, addr += sizeof (int))
1167 hms_store_word (addr, buffer[i]);
1178 /* Read all the longwords */
1179 for (i = 0; i < count; i++, addr += sizeof (int))
1182 buffer[i] = hms_fetch_word (addr);
1190 /* Copy appropriate bytes out of the buffer. */
1191 memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len);
1198 hms_write_inferior_memory (memaddr, myaddr, len)
1200 unsigned char *myaddr;
1214 thisgo = len - done;
1218 sprintf (buffer, "M.B %4x =", memaddr + done);
1219 hms_write (buffer, 10);
1220 for (idx = 0; idx < thisgo; idx++)
1224 sprintf (buf, "%2x ", myaddr[idx + done]);
1237 char *file = "nothing";
1240 file = bfd_get_filename (exec_bfd);
1244 printf_filtered ("\tAttached to DOS asynctsr and running program %s\n", file);
1246 printf_filtered ("\tAttached to %s at %d baud and running program %s\n", dev_name, baudrate, file);
1248 printf_filtered ("\ton an H8/300 processor.\n");
1251 /* Copy LEN bytes of data from debugger memory at MYADDR
1252 to inferior's memory at MEMADDR. Returns errno value.
1253 * sb/sh instructions don't work on unaligned addresses, when TU=1.
1256 /* Read LEN bytes from inferior memory at MEMADDR. Put the result
1257 at debugger address MYADDR. Returns errno value. */
1259 hms_read_inferior_memory (memaddr, myaddr, len)
1264 /* Align to nearest low 16 bits */
1268 CORE_ADDR start = memaddr & ~0xf;
1269 CORE_ADDR end = ((memaddr + len + 16) & ~0xf) - 1;
1272 CORE_ADDR start = memaddr;
1273 CORE_ADDR end = memaddr + len - 1;
1278 AAAA: XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX '................'
1279 012345678901234567890123456789012345678901234567890123456789012345
1289 sprintf (buffer, "m %4x %4x", start & 0xffff, end & 0xffff);
1290 hms_write_cr (buffer);
1291 /* drop the echo and newline*/
1292 for (i = 0; i < 13; i++)
1295 /* Grab the lines as they come out and fill the area */
1306 buffer[0] = readchar ();
1307 if (buffer[0] == 'M')
1309 for (i = 1; i < 66; i++)
1310 buffer[i] = readchar ();
1312 /* Now parse the line */
1314 addr = gethex (4, buffer, &ok);
1316 for (p = 0; p < 16; p += 2)
1318 byte[p] = gethex (2, buffer + idx, &ok);
1319 byte[p + 1] = gethex (2, buffer + idx + 2, &ok);
1324 for (p = 0; p < 16; p++)
1326 if (addr + p >= memaddr &&
1327 addr + p < memaddr + len)
1329 myaddr[(addr + p) - memaddr] = byte[p];
1335 #ifdef TARGET_IS_H8500
1338 #ifdef TARGET_IS_H8300
1347 /* This routine is run as a hook, just before the main command loop is
1348 entered. If gdb is configured for the H8, but has not had its
1349 target specified yet, this will loop prompting the user to do so.
1352 hms_before_main_loop ()
1356 extern GDB_FILE *instream;
1358 push_target (&hms_ops);
1363 #define MAX_BREAKS 16
1364 static int num_brkpts = 0;
1366 hms_insert_breakpoint (addr, save)
1368 char *save; /* Throw away, let hms save instructions */
1372 if (num_brkpts < MAX_BREAKS)
1377 sprintf (buffer, "b %x", addr & 0xffff);
1378 hms_write_cr (buffer);
1384 fprintf_filtered (gdb_stderr,
1385 "Too many break points, break point not installed\n");
1391 hms_remove_breakpoint (addr, save)
1393 char *save; /* Throw away, let hms save instructions */
1400 sprintf (buffer, "b - %x", addr & 0xffff);
1401 hms_write_cr (buffer);
1408 /* Clear the hmss notion of what the break points are */
1410 hms_clear_breakpoints ()
1415 hms_write_cr ("b -");
1423 hms_clear_breakpoints ();
1424 unpush_target (&hms_ops);
1425 generic_mourn_inferior ();
1428 /* Put a command string, in args, out to the hms. The hms is assumed to
1429 be in raw mode, all writing/reading done through desc.
1430 Ouput from the hms is placed on the users terminal until the
1431 prompt from the hms is seen.
1432 FIXME: Can't handle commands that take input. */
1435 hms_com (args, fromtty)
1444 /* Clear all input so only command relative output is displayed */
1446 hms_write_cr (args);
1447 hms_write ("\030", 1);
1451 /* Define the target subroutine names */
1453 struct target_ops hms_ops =
1455 "hms", "Remote HMS monitor",
1456 "Use the H8 evaluation board running the HMS monitor connected\n\
1459 hms_open, hms_close,
1460 0, hms_detach, hms_resume, hms_wait, /* attach */
1461 hms_fetch_register, hms_store_register,
1462 hms_prepare_to_store,
1463 hms_xfer_inferior_memory,
1465 hms_insert_breakpoint, hms_remove_breakpoint, /* Breakpoints */
1466 0, 0, 0, 0, 0, /* Terminal handling */
1467 hms_kill, /* FIXME, kill */
1469 0, /* lookup_symbol */
1470 hms_create_inferior, /* create_inferior */
1471 hms_mourn, /* mourn_inferior FIXME */
1473 0, /* notice_signals */
1474 process_stratum, 0, /* next */
1475 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
1476 0, 0, /* Section pointers */
1477 OPS_MAGIC, /* Always the last thing */
1484 printf_filtered ("Snoop disabled\n");
1486 printf_filtered ("Snoop enabled\n");
1495 dev_name = get_word (&s);
1508 int newrate = atoi (s);
1511 if (SERIAL_SETBAUDRATE (desc, newrate))
1512 error ("Can't use %d baud\n", newrate);
1514 printf_filtered ("Checking target is in sync\n");
1516 printf_filtered ("Sending commands to set target to %d\n",
1519 sprintf (buffer, "tm %d. N 8 1", baudrate);
1520 hms_write_cr (buffer);
1524 /***********************************************************************/
1527 _initialize_remote_hms ()
1529 add_target (&hms_ops);
1531 add_com ("hms <command>", class_obscure, hms_com,
1532 "Send a command to the HMS monitor.");
1533 add_com ("snoop", class_obscure, hms_quiet,
1534 "Show what commands are going to the monitor");
1536 add_com ("device", class_obscure, hms_device,
1537 "Set the terminal line for HMS communications");
1539 add_com ("speed", class_obscure, hms_speed,
1540 "Set the terminal line speed for HMS communications");