Commit | Line | Data |
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1f46923f | 1 | /* Remote debugging interface for Hitachi HMS Monitor Version 1.0 |
fa4b55a1 | 2 | Copyright 1992 Free Software Foundation, Inc. |
e17960fb JG |
3 | Contributed by Cygnus Support. Written by Steve Chamberlain |
4 | (sac@cygnus.com). | |
fa4b55a1 SC |
5 | |
6 | This file is part of GDB. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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. */ | |
21 | ||
fa4b55a1 SC |
22 | #include "defs.h" |
23 | #include "inferior.h" | |
24 | #include "wait.h" | |
25 | #include "value.h" | |
e17960fb | 26 | #include <string.h> |
fa4b55a1 SC |
27 | #include <ctype.h> |
28 | #include <fcntl.h> | |
29 | #include <signal.h> | |
30 | #include <setjmp.h> | |
31 | #include <errno.h> | |
32 | #include "terminal.h" | |
33 | #include "target.h" | |
34 | #include "gdbcore.h" | |
35 | ||
36 | /* External data declarations */ | |
37 | extern int stop_soon_quietly; /* for wait_for_inferior */ | |
38 | ||
fa4b55a1 SC |
39 | /* Forward data declarations */ |
40 | extern struct target_ops hms_ops; /* Forward declaration */ | |
41 | ||
42 | /* Forward function declarations */ | |
43 | static void hms_fetch_registers (); | |
44 | static int hms_store_registers (); | |
45 | static void hms_close (); | |
46 | static int hms_clear_breakpoints(); | |
47 | ||
48 | extern struct target_ops hms_ops; | |
49 | ||
1f46923f SC |
50 | static int quiet = 1; |
51 | ||
1f46923f SC |
52 | /***********************************************************************/ |
53 | /* Caching stuff stolen from remote-nindy.c */ | |
54 | ||
55 | /* The data cache records all the data read from the remote machine | |
56 | since the last time it stopped. | |
57 | ||
58 | Each cache block holds LINE_SIZE bytes of data | |
59 | starting at a multiple-of-LINE_SIZE address. */ | |
60 | ||
61 | ||
62 | #define LINE_SIZE_POWER 4 | |
63 | #define LINE_SIZE (1<<LINE_SIZE_POWER) /* eg 1<<3 == 8 */ | |
64 | #define LINE_SIZE_MASK ((LINE_SIZE-1)) /* eg 7*2+1= 111*/ | |
65 | #define DCACHE_SIZE 64 /* Number of cache blocks */ | |
66 | #define XFORM(x) ((x&LINE_SIZE_MASK)>>2) | |
67 | struct dcache_block { | |
68 | struct dcache_block *next, *last; | |
69 | unsigned int addr; /* Address for which data is recorded. */ | |
70 | int data[LINE_SIZE/sizeof(int)]; | |
71 | }; | |
72 | ||
73 | struct dcache_block dcache_free, dcache_valid; | |
74 | ||
75 | /* Free all the data cache blocks, thus discarding all cached data. */ | |
76 | static | |
77 | void | |
78 | dcache_flush () | |
79 | { | |
80 | register struct dcache_block *db; | |
81 | ||
82 | while ((db = dcache_valid.next) != &dcache_valid) | |
83 | { | |
84 | remque (db); | |
85 | insque (db, &dcache_free); | |
86 | } | |
87 | } | |
88 | ||
89 | /* | |
90 | * If addr is present in the dcache, return the address of the block | |
91 | * containing it. | |
92 | */ | |
93 | static | |
94 | struct dcache_block * | |
95 | dcache_hit (addr) | |
96 | unsigned int addr; | |
97 | { | |
98 | register struct dcache_block *db; | |
99 | ||
100 | if (addr & 3) | |
101 | abort (); | |
102 | ||
103 | /* Search all cache blocks for one that is at this address. */ | |
104 | db = dcache_valid.next; | |
105 | while (db != &dcache_valid) | |
106 | { | |
107 | if ((addr & ~LINE_SIZE_MASK)== db->addr) | |
108 | return db; | |
109 | db = db->next; | |
110 | } | |
111 | return NULL; | |
112 | } | |
113 | ||
114 | /* Return the int data at address ADDR in dcache block DC. */ | |
115 | static | |
116 | int | |
117 | dcache_value (db, addr) | |
118 | struct dcache_block *db; | |
119 | unsigned int addr; | |
120 | { | |
121 | if (addr & 3) | |
122 | abort (); | |
123 | return (db->data[XFORM(addr)]); | |
124 | } | |
125 | ||
126 | /* Get a free cache block, put or keep it on the valid list, | |
127 | and return its address. The caller should store into the block | |
128 | the address and data that it describes, then remque it from the | |
129 | free list and insert it into the valid list. This procedure | |
130 | prevents errors from creeping in if a ninMemGet is interrupted | |
131 | (which used to put garbage blocks in the valid list...). */ | |
132 | static | |
133 | struct dcache_block * | |
134 | dcache_alloc () | |
135 | { | |
136 | register struct dcache_block *db; | |
137 | ||
138 | if ((db = dcache_free.next) == &dcache_free) | |
139 | { | |
140 | /* If we can't get one from the free list, take last valid and put | |
141 | it on the free list. */ | |
142 | db = dcache_valid.last; | |
143 | remque (db); | |
144 | insque (db, &dcache_free); | |
145 | } | |
146 | ||
147 | remque (db); | |
148 | insque (db, &dcache_valid); | |
149 | return (db); | |
150 | } | |
151 | ||
152 | /* Return the contents of the word at address ADDR in the remote machine, | |
153 | using the data cache. */ | |
154 | static | |
155 | int | |
156 | dcache_fetch (addr) | |
157 | CORE_ADDR addr; | |
158 | { | |
159 | register struct dcache_block *db; | |
160 | ||
161 | db = dcache_hit (addr); | |
162 | if (db == 0) | |
163 | { | |
164 | db = dcache_alloc (); | |
165 | immediate_quit++; | |
166 | hms_read_inferior_memory(addr & ~LINE_SIZE_MASK, (unsigned char *)db->data, LINE_SIZE); | |
167 | immediate_quit--; | |
168 | db->addr = addr & ~LINE_SIZE_MASK; | |
169 | remque (db); /* Off the free list */ | |
170 | insque (db, &dcache_valid); /* On the valid list */ | |
171 | } | |
172 | return (dcache_value (db, addr)); | |
173 | } | |
174 | ||
175 | /* Write the word at ADDR both in the data cache and in the remote machine. */ | |
176 | static void | |
177 | dcache_poke (addr, data) | |
178 | CORE_ADDR addr; | |
179 | int data; | |
180 | { | |
181 | register struct dcache_block *db; | |
182 | ||
183 | /* First make sure the word is IN the cache. DB is its cache block. */ | |
184 | db = dcache_hit (addr); | |
185 | if (db == 0) | |
186 | { | |
187 | db = dcache_alloc (); | |
188 | immediate_quit++; | |
189 | hms_write_inferior_memory(addr & ~LINE_SIZE_MASK, (unsigned char *)db->data, LINE_SIZE); | |
190 | immediate_quit--; | |
191 | db->addr = addr & ~LINE_SIZE_MASK; | |
192 | remque (db); /* Off the free list */ | |
193 | insque (db, &dcache_valid); /* On the valid list */ | |
194 | } | |
195 | ||
196 | /* Modify the word in the cache. */ | |
197 | db->data[XFORM(addr)] = data; | |
198 | ||
199 | /* Send the changed word. */ | |
200 | immediate_quit++; | |
201 | hms_write_inferior_memory(addr, (unsigned char *)&data, 4); | |
202 | immediate_quit--; | |
203 | } | |
204 | ||
205 | /* The cache itself. */ | |
206 | struct dcache_block the_cache[DCACHE_SIZE]; | |
207 | ||
208 | /* Initialize the data cache. */ | |
209 | static void | |
210 | dcache_init () | |
211 | { | |
212 | register i; | |
213 | register struct dcache_block *db; | |
214 | ||
215 | db = the_cache; | |
216 | dcache_free.next = dcache_free.last = &dcache_free; | |
217 | dcache_valid.next = dcache_valid.last = &dcache_valid; | |
218 | for (i=0;i<DCACHE_SIZE;i++,db++) | |
219 | insque (db, &dcache_free); | |
220 | } | |
fa4b55a1 | 221 | |
1f46923f SC |
222 | |
223 | /*********************************************************************** | |
224 | * I/O stuff stolen from remote-eb.c | |
225 | ***********************************************************************/ | |
226 | ||
227 | static int timeout = 2; | |
fa4b55a1 | 228 | |
b52373a2 | 229 | static const char *dev_name; |
1f46923f | 230 | |
fa4b55a1 SC |
231 | |
232 | /* Descriptor for I/O to remote machine. Initialize it to -1 so that | |
233 | hms_open knows that we don't have a file open when the program | |
234 | starts. */ | |
fa4b55a1 | 235 | |
1f46923f | 236 | |
ae0ea72e SC |
237 | int is_open = 0; |
238 | int check_open() | |
fa4b55a1 | 239 | { |
ae0ea72e SC |
240 | if (!is_open) |
241 | { | |
242 | error("remote device not open"); | |
fa4b55a1 | 243 | } |
fa4b55a1 SC |
244 | } |
245 | ||
ae0ea72e SC |
246 | #define ON 1 |
247 | #define OFF 0 | |
1f46923f SC |
248 | |
249 | /* Read a character from the remote system, doing all the fancy | |
250 | timeout stuff. */ | |
251 | static int | |
252 | readchar () | |
fa4b55a1 | 253 | { |
ae0ea72e SC |
254 | int ok; |
255 | int buf; | |
256 | buf = serial_timedreadchar(timeout, &ok); | |
1f46923f | 257 | |
ae0ea72e | 258 | if (!ok) |
1f46923f SC |
259 | error ("Timeout reading from remote system."); |
260 | ||
261 | if (!quiet) | |
262 | printf("%c",buf); | |
263 | ||
264 | return buf & 0x7f; | |
fa4b55a1 SC |
265 | } |
266 | ||
fa4b55a1 | 267 | static int |
1f46923f | 268 | readchar_nofail () |
fa4b55a1 | 269 | { |
ae0ea72e SC |
270 | int ok; |
271 | int buf; | |
272 | buf = serial_timedreadchar(timeout, &ok); | |
273 | if (!ok) buf = 0; | |
274 | if (!quiet) | |
275 | printf("%c",buf); | |
276 | ||
fa4b55a1 | 277 | return buf & 0x7f; |
ae0ea72e | 278 | |
fa4b55a1 SC |
279 | } |
280 | ||
281 | /* Keep discarding input from the remote system, until STRING is found. | |
282 | Let the user break out immediately. */ | |
283 | static void | |
284 | expect (string) | |
285 | char *string; | |
286 | { | |
287 | char *p = string; | |
288 | ||
289 | ||
290 | immediate_quit = 1; | |
291 | while (1) | |
292 | { | |
293 | if (readchar() == *p) | |
294 | { | |
295 | p++; | |
296 | if (*p == '\0') | |
297 | { | |
298 | immediate_quit = 0; | |
299 | return; | |
300 | } | |
301 | } | |
302 | else | |
303 | p = string; | |
304 | } | |
305 | } | |
306 | ||
307 | /* Keep discarding input until we see the hms prompt. | |
308 | ||
309 | The convention for dealing with the prompt is that you | |
310 | o give your command | |
311 | o *then* wait for the prompt. | |
312 | ||
313 | Thus the last thing that a procedure does with the serial line | |
314 | will be an expect_prompt(). Exception: hms_resume does not | |
315 | wait for the prompt, because the terminal is being handed over | |
316 | to the inferior. However, the next thing which happens after that | |
317 | is a hms_wait which does wait for the prompt. | |
318 | Note that this includes abnormal exit, e.g. error(). This is | |
319 | necessary to prevent getting into states from which we can't | |
320 | recover. */ | |
321 | static void | |
322 | expect_prompt () | |
323 | { | |
fa4b55a1 SC |
324 | expect ("HMS>"); |
325 | } | |
326 | ||
327 | /* Get a hex digit from the remote system & return its value. | |
328 | If ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ | |
329 | static int | |
330 | get_hex_digit (ignore_space) | |
331 | int ignore_space; | |
332 | { | |
333 | int ch; | |
334 | while (1) | |
335 | { | |
336 | ch = readchar (); | |
337 | if (ch >= '0' && ch <= '9') | |
338 | return ch - '0'; | |
339 | else if (ch >= 'A' && ch <= 'F') | |
340 | return ch - 'A' + 10; | |
341 | else if (ch >= 'a' && ch <= 'f') | |
342 | return ch - 'a' + 10; | |
343 | else if (ch == ' ' && ignore_space) | |
344 | ; | |
345 | else | |
346 | { | |
347 | expect_prompt (); | |
348 | error ("Invalid hex digit from remote system."); | |
349 | } | |
350 | } | |
351 | } | |
352 | ||
353 | /* Get a byte from hms_desc and put it in *BYT. Accept any number | |
354 | leading spaces. */ | |
355 | static void | |
356 | get_hex_byte (byt) | |
357 | char *byt; | |
358 | { | |
359 | int val; | |
360 | ||
361 | val = get_hex_digit (1) << 4; | |
362 | val |= get_hex_digit (0); | |
363 | *byt = val; | |
364 | } | |
365 | ||
366 | /* Read a 32-bit hex word from the hms, preceded by a space */ | |
367 | static long | |
368 | get_hex_word() | |
369 | { | |
370 | long val; | |
371 | int j; | |
372 | ||
373 | val = 0; | |
374 | for (j = 0; j < 8; j++) | |
375 | val = (val << 4) + get_hex_digit (j == 0); | |
376 | return val; | |
377 | } | |
378 | /* Called when SIGALRM signal sent due to alarm() timeout. */ | |
fa4b55a1 | 379 | |
fa4b55a1 | 380 | |
fa4b55a1 SC |
381 | |
382 | /* Number of SIGTRAPs we need to simulate. That is, the next | |
383 | NEED_ARTIFICIAL_TRAP calls to hms_wait should just return | |
384 | SIGTRAP without actually waiting for anything. */ | |
385 | ||
386 | static int need_artificial_trap = 0; | |
387 | ||
388 | void | |
389 | hms_kill(arg,from_tty) | |
390 | char *arg; | |
391 | int from_tty; | |
392 | { | |
fa4b55a1 | 393 | |
fa4b55a1 | 394 | } |
1f46923f | 395 | |
ae0ea72e | 396 | |
1f46923f | 397 | |
fa4b55a1 SC |
398 | /* |
399 | * Download a file specified in 'args', to the hms. | |
400 | */ | |
401 | static void | |
402 | hms_load(args,fromtty) | |
403 | char *args; | |
404 | int fromtty; | |
405 | { | |
406 | bfd *abfd; | |
407 | asection *s; | |
408 | int n; | |
409 | char buffer[1024]; | |
ae0ea72e | 410 | |
1f46923f SC |
411 | check_open(); |
412 | ||
413 | dcache_flush(); | |
414 | inferior_pid = 0; | |
fa4b55a1 SC |
415 | abfd = bfd_openr(args,"coff-h8300"); |
416 | if (!abfd) | |
417 | { | |
1f46923f | 418 | printf_filtered("Unable to open file %s\n", args); |
fa4b55a1 SC |
419 | return; |
420 | } | |
421 | ||
422 | if (bfd_check_format(abfd, bfd_object) ==0) | |
423 | { | |
424 | printf_filtered("File is not an object file\n"); | |
425 | return ; | |
426 | } | |
427 | ||
428 | s = abfd->sections; | |
429 | while (s != (asection *)NULL) | |
430 | { | |
431 | if (s->flags & SEC_LOAD) | |
432 | { | |
96743d3c | 433 | int i; |
fa4b55a1 | 434 | |
96743d3c | 435 | |
ae0ea72e | 436 | #define DELTA 1024 |
96743d3c | 437 | char *buffer = xmalloc(DELTA); |
ae0ea72e | 438 | printf_filtered("%s\t: 0x%4x .. 0x%4x ",s->name, s->vma, s->vma + s->_raw_size); |
96743d3c SC |
439 | for (i = 0; i < s->_raw_size; i+= DELTA) |
440 | { | |
441 | int delta = DELTA; | |
442 | if (delta > s->_raw_size - i) | |
443 | delta = s->_raw_size - i ; | |
444 | ||
445 | bfd_get_section_contents(abfd, s, buffer, i, delta); | |
446 | hms_write_inferior_memory(s->vma + i, buffer, delta); | |
447 | printf_filtered("*"); | |
448 | fflush(stdout); | |
449 | } | |
ae0ea72e | 450 | printf_filtered( "\n"); |
fa4b55a1 SC |
451 | free(buffer); |
452 | } | |
453 | s = s->next; | |
454 | } | |
ae0ea72e SC |
455 | sprintf(buffer, "r PC=%x", abfd->start_address); |
456 | hms_write_cr(buffer); | |
457 | expect_prompt(); | |
fa4b55a1 SC |
458 | } |
459 | ||
460 | /* This is called not only when we first attach, but also when the | |
461 | user types "run" after having attached. */ | |
462 | void | |
463 | hms_create_inferior (execfile, args, env) | |
464 | char *execfile; | |
465 | char *args; | |
466 | char **env; | |
467 | { | |
468 | int entry_pt; | |
ae0ea72e | 469 | char buffer[100]; |
fa4b55a1 SC |
470 | |
471 | if (args && *args) | |
472 | error ("Can't pass arguments to remote hms process."); | |
473 | ||
474 | if (execfile == 0 || exec_bfd == 0) | |
475 | error ("No exec file specified"); | |
476 | ||
477 | entry_pt = (int) bfd_get_start_address (exec_bfd); | |
1f46923f | 478 | check_open(); |
1f46923f | 479 | |
fa4b55a1 | 480 | |
ae0ea72e SC |
481 | hms_kill(NULL,NULL); |
482 | hms_clear_breakpoints(); | |
483 | init_wait_for_inferior (); | |
484 | hms_write_cr(""); | |
485 | expect_prompt(); | |
fa4b55a1 | 486 | |
ae0ea72e SC |
487 | insert_breakpoints (); /* Needed to get correct instruction in cache */ |
488 | proceed(entry_pt, -1, 0); | |
fa4b55a1 SC |
489 | } |
490 | ||
fa4b55a1 SC |
491 | |
492 | /* Open a connection to a remote debugger. | |
493 | NAME is the filename used for communication, then a space, | |
494 | then the baud rate. | |
495 | */ | |
496 | ||
497 | static char * | |
498 | find_end_of_word(s) | |
499 | char *s; | |
500 | { | |
501 | while (*s && !isspace(*s)) | |
502 | s++; | |
503 | return s; | |
504 | } | |
505 | ||
506 | static char *get_word(p) | |
507 | char **p; | |
508 | { | |
509 | char *s = *p; | |
510 | char *word ; | |
511 | char *copy; | |
512 | size_t len; | |
513 | ||
514 | while (isspace(*s)) | |
515 | s++; | |
516 | ||
517 | word = s; | |
518 | ||
519 | len = 0; | |
520 | ||
521 | while (*s && !isspace(*s)) | |
522 | { | |
523 | s++; | |
524 | len++; | |
525 | ||
526 | } | |
527 | copy = xmalloc(len+1); | |
528 | memcpy(copy, word, len); | |
529 | copy[len] = 0; | |
530 | *p = s; | |
531 | return copy; | |
532 | } | |
533 | ||
534 | static int baudrate = 9600; | |
1f46923f SC |
535 | |
536 | static int | |
537 | is_baudrate_right() | |
538 | { | |
ae0ea72e | 539 | int ok; |
1f46923f | 540 | /* Put this port into NORMAL mode, send the 'normal' character */ |
ae0ea72e | 541 | |
1f46923f SC |
542 | hms_write("\001", 1); /* Control A */ |
543 | hms_write("\r", 1); /* Cr */ | |
1f46923f | 544 | |
ae0ea72e SC |
545 | while (1) |
546 | { | |
547 | serial_timedreadchar(timeout, &ok); | |
548 | if (!ok) break; | |
549 | } | |
550 | ||
551 | hms_write("r",1); | |
552 | ||
1f46923f SC |
553 | if (readchar_nofail() == 'r') |
554 | return 1; | |
555 | ||
556 | /* Not the right baudrate, or the board's not on */ | |
557 | return 0; | |
1f46923f SC |
558 | } |
559 | static void | |
560 | set_rate() | |
561 | { | |
ae0ea72e SC |
562 | if (!serial_setbaudrate(baudrate)) |
563 | error("Can't set baudrate"); | |
1f46923f SC |
564 | } |
565 | ||
566 | static void | |
567 | get_baudrate_right() | |
568 | { | |
1f46923f SC |
569 | while (!is_baudrate_right()) |
570 | { | |
ae0ea72e SC |
571 | baudrate = serial_nextbaudrate(baudrate); |
572 | if (baudrate == 0) { | |
573 | printf_filtered("Board not yet in sync\n"); | |
574 | break; | |
1f46923f | 575 | } |
1f46923f SC |
576 | printf_filtered("Board not responding, trying %d baud\n",baudrate); |
577 | QUIT; | |
ae0ea72e | 578 | serial_setbaudrate(baudrate); |
1f46923f SC |
579 | } |
580 | } | |
581 | ||
fa4b55a1 SC |
582 | static void |
583 | hms_open (name, from_tty) | |
584 | char *name; | |
585 | int from_tty; | |
586 | { | |
1f46923f | 587 | |
fa4b55a1 SC |
588 | unsigned int prl; |
589 | char *p; | |
590 | ||
fa4b55a1 SC |
591 | if(name == 0) |
592 | { | |
593 | name = ""; | |
fa4b55a1 | 594 | } |
ae0ea72e | 595 | if (is_open) |
836e343b | 596 | hms_close (0); |
ae0ea72e | 597 | if (name && strlen(name)) |
836e343b | 598 | dev_name = strdup(name); |
ae0ea72e | 599 | if (!serial_open(dev_name)) |
836e343b | 600 | perror_with_name ((char *)dev_name); |
ae0ea72e SC |
601 | serial_raw(); |
602 | is_open = 1; | |
fa4b55a1 | 603 | |
1f46923f | 604 | dcache_init(); |
fa4b55a1 | 605 | |
1f46923f | 606 | get_baudrate_right(); |
fa4b55a1 SC |
607 | |
608 | /* Hello? Are you there? */ | |
ae0ea72e | 609 | serial_write("\r",1); |
fa4b55a1 SC |
610 | expect_prompt (); |
611 | ||
612 | /* Clear any break points */ | |
613 | hms_clear_breakpoints(); | |
614 | ||
ae0ea72e | 615 | printf_filtered("Connected to remote H8/300 HMS system.\n"); |
fa4b55a1 SC |
616 | } |
617 | ||
618 | /* Close out all files and local state before this target loses control. */ | |
619 | ||
620 | static void | |
621 | hms_close (quitting) | |
622 | int quitting; | |
623 | { | |
624 | ||
fa4b55a1 SC |
625 | |
626 | /* Clear any break points */ | |
627 | hms_clear_breakpoints(); | |
628 | ||
629 | /* Put this port back into REMOTE mode */ | |
ae0ea72e SC |
630 | sleep(1); /* Let any output make it all the way back */ |
631 | serial_write("R\r", 2); | |
632 | serial_close(); | |
633 | is_open = 0; | |
fa4b55a1 SC |
634 | } |
635 | ||
fa4b55a1 SC |
636 | /* Terminate the open connection to the remote debugger. |
637 | Use this when you want to detach and do something else | |
638 | with your gdb. */ | |
639 | void | |
640 | hms_detach (args,from_tty) | |
641 | char *args; | |
642 | int from_tty; | |
643 | { | |
ae0ea72e SC |
644 | if (is_open) |
645 | { | |
fa4b55a1 | 646 | hms_clear_breakpoints(); |
fa4b55a1 SC |
647 | } |
648 | ||
649 | pop_target(); /* calls hms_close to do the real work */ | |
650 | if (from_tty) | |
651 | printf_filtered ("Ending remote %s debugging\n", target_shortname); | |
fa4b55a1 SC |
652 | } |
653 | ||
654 | /* Tell the remote machine to resume. */ | |
655 | ||
656 | void | |
657 | hms_resume (step, sig) | |
658 | int step, sig; | |
659 | { | |
1f46923f SC |
660 | dcache_flush(); |
661 | ||
fa4b55a1 SC |
662 | if (step) |
663 | { | |
664 | hms_write_cr("s"); | |
96743d3c SC |
665 | expect("Step>"); |
666 | ||
fa4b55a1 SC |
667 | /* Force the next hms_wait to return a trap. Not doing anything |
668 | about I/O from the target means that the user has to type | |
669 | "continue" to see any. FIXME, this should be fixed. */ | |
670 | need_artificial_trap = 1; | |
671 | } | |
672 | else | |
673 | { | |
674 | hms_write_cr("g"); | |
96743d3c | 675 | expect("g"); |
fa4b55a1 | 676 | } |
fa4b55a1 SC |
677 | } |
678 | ||
679 | /* Wait until the remote machine stops, then return, | |
680 | storing status in STATUS just as `wait' would. */ | |
681 | ||
682 | int | |
683 | hms_wait (status) | |
684 | WAITTYPE *status; | |
685 | { | |
686 | /* Strings to look for. '?' means match any single character. | |
687 | Note that with the algorithm we use, the initial character | |
688 | of the string cannot recur in the string, or we will not | |
689 | find some cases of the string in the input. */ | |
690 | ||
96743d3c | 691 | static char bpt[] = "At breakpoint:"; |
fa4b55a1 SC |
692 | /* It would be tempting to look for "\n[__exit + 0x8]\n" |
693 | but that requires loading symbols with "yc i" and even if | |
694 | we did do that we don't know that the file has symbols. */ | |
695 | static char exitmsg[] = "HMS>"; | |
696 | char *bp = bpt; | |
697 | char *ep = exitmsg; | |
698 | ||
699 | /* Large enough for either sizeof (bpt) or sizeof (exitmsg) chars. */ | |
700 | char swallowed[50]; | |
701 | /* Current position in swallowed. */ | |
702 | char *swallowed_p = swallowed; | |
703 | ||
704 | int ch; | |
705 | int ch_handled; | |
706 | int old_timeout = timeout; | |
707 | int old_immediate_quit = immediate_quit; | |
1f46923f SC |
708 | int swallowed_cr = 0; |
709 | ||
fa4b55a1 SC |
710 | WSETEXIT ((*status), 0); |
711 | ||
712 | if (need_artificial_trap != 0) | |
1f46923f SC |
713 | { |
714 | WSETSTOP ((*status), SIGTRAP); | |
715 | need_artificial_trap--; | |
716 | return 0; | |
717 | } | |
fa4b55a1 | 718 | |
ae0ea72e | 719 | timeout = 99999; /* Don't time out -- user program is running. */ |
1f46923f | 720 | immediate_quit = 1; /* Helps ability to QUIT */ |
96743d3c SC |
721 | while (1) |
722 | { | |
723 | QUIT; /* Let user quit and leave process running */ | |
724 | ch_handled = 0; | |
725 | ch = readchar (); | |
726 | if (ch == *bp) | |
727 | { | |
728 | bp++; | |
729 | if (*bp == '\0') | |
730 | break; | |
731 | ch_handled = 1; | |
732 | ||
733 | *swallowed_p++ = ch; | |
734 | } | |
735 | else | |
736 | { | |
737 | bp = bpt; | |
738 | } | |
739 | if (ch == *ep || *ep == '?') | |
740 | { | |
741 | ep++; | |
742 | if (*ep == '\0') | |
743 | break; | |
744 | ||
745 | if (!ch_handled) | |
746 | *swallowed_p++ = ch; | |
747 | ch_handled = 1; | |
748 | } | |
749 | else | |
750 | { | |
751 | ep = exitmsg; | |
752 | } | |
753 | ||
754 | if (!ch_handled) { | |
755 | char *p; | |
756 | /* Print out any characters which have been swallowed. */ | |
757 | for (p = swallowed; p < swallowed_p; ++p) | |
758 | putc (*p, stdout); | |
759 | swallowed_p = swallowed; | |
fa4b55a1 SC |
760 | |
761 | ||
96743d3c SC |
762 | if ((ch != '\r' && ch != '\n') || swallowed_cr>10) |
763 | { | |
764 | putc (ch, stdout); | |
765 | swallowed_cr = 10; | |
fa4b55a1 | 766 | } |
96743d3c SC |
767 | swallowed_cr ++; |
768 | ||
769 | } | |
770 | } | |
fa4b55a1 SC |
771 | if (*bp== '\0') |
772 | { | |
773 | WSETSTOP ((*status), SIGTRAP); | |
774 | expect_prompt(); | |
775 | } | |
776 | else | |
777 | { | |
778 | WSETEXIT ((*status), 0); | |
779 | } | |
780 | ||
781 | timeout = old_timeout; | |
782 | immediate_quit = old_immediate_quit; | |
fa4b55a1 SC |
783 | return 0; |
784 | } | |
785 | ||
786 | /* Return the name of register number REGNO | |
787 | in the form input and output by hms. | |
788 | ||
789 | Returns a pointer to a static buffer containing the answer. */ | |
790 | static char * | |
791 | get_reg_name (regno) | |
792 | int regno; | |
793 | { | |
ae0ea72e | 794 | static char *rn[NUM_REGS]= REGISTER_NAMES; |
fa4b55a1 | 795 | return rn[regno]; |
fa4b55a1 SC |
796 | } |
797 | ||
798 | /* Read the remote registers. */ | |
799 | static int gethex(length, start, ok) | |
800 | unsigned int length; | |
801 | char *start; | |
802 | int *ok; | |
803 | { | |
804 | int result = 0; | |
805 | while (length--) | |
806 | { | |
807 | result <<= 4 ; | |
808 | if (*start >='a' && *start <= 'f') | |
809 | { | |
810 | result += *start - 'a' + 10; | |
811 | } | |
812 | else if (*start >='A' && *start <= 'F') | |
813 | { | |
814 | result += *start - 'A' + 10; | |
815 | } | |
816 | else if (*start >='0' && *start <= '9') | |
817 | { | |
818 | result += *start - '0' ; | |
819 | } | |
820 | else *ok = 0; | |
821 | start++; | |
822 | ||
823 | } | |
824 | return result; | |
825 | } | |
826 | static int | |
827 | timed_read(buf, n, timeout) | |
828 | char *buf; | |
829 | ||
830 | { | |
831 | int i; | |
832 | char c; | |
833 | i = 0; | |
834 | while (i < n) | |
835 | { | |
836 | c = readchar(); | |
837 | ||
838 | if (c == 0) return i; | |
839 | buf[i] = c; | |
840 | i++; | |
841 | ||
842 | } | |
843 | return i; | |
844 | ||
845 | } | |
846 | hms_write(a,l) | |
847 | char *a; | |
848 | { | |
849 | int i; | |
ae0ea72e SC |
850 | serial_write(a, l); |
851 | ||
96743d3c SC |
852 | if (!quiet) |
853 | for (i = 0; i < l ; i++) | |
854 | { | |
855 | printf("%c", a[i]); | |
856 | } | |
fa4b55a1 SC |
857 | } |
858 | ||
1f46923f SC |
859 | hms_write_cr(s) |
860 | char *s; | |
fa4b55a1 | 861 | { |
ae0ea72e SC |
862 | hms_write( s, strlen(s)); |
863 | hms_write("\r",1); | |
1f46923f SC |
864 | } |
865 | ||
866 | static void | |
ae0ea72e SC |
867 | hms_fetch_register (dummy) |
868 | int dummy; | |
fa4b55a1 SC |
869 | { |
870 | #define REGREPLY_SIZE 79 | |
871 | char linebuf[REGREPLY_SIZE+1]; | |
872 | int i; | |
873 | int s ; | |
874 | int gottok; | |
875 | ||
1f46923f SC |
876 | REGISTER_TYPE reg[NUM_REGS]; |
877 | int foo[8]; | |
fa4b55a1 SC |
878 | check_open(); |
879 | ||
880 | do | |
881 | { | |
882 | ||
883 | hms_write_cr("r"); | |
884 | s = timed_read(linebuf, REGREPLY_SIZE, 1); | |
885 | ||
886 | ||
887 | linebuf[REGREPLY_SIZE] = 0; | |
888 | gottok = 0; | |
889 | if (linebuf[0] == 'r' && | |
fa4b55a1 SC |
890 | linebuf[3] == 'P' && |
891 | linebuf[4] == 'C' && | |
892 | linebuf[5] == '=' && | |
893 | linebuf[75] == 'H' && | |
894 | linebuf[76] == 'M' && | |
895 | linebuf[77] == 'S') | |
896 | { | |
897 | /* | |
898 | PC=XXXX CCR=XX:XXXXXXXX R0-R7= XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX | |
899 | 5436789012345678901234567890123456789012345678901234567890123456789012 | |
900 | 0 1 2 3 4 5 6 | |
901 | */ | |
902 | gottok = 1; | |
903 | ||
904 | reg[PC_REGNUM] = gethex(4,linebuf+6, &gottok); | |
905 | reg[CCR_REGNUM] = gethex(2,linebuf+15, &gottok); | |
906 | for (i = 0; i < 8; i++) | |
907 | { | |
908 | reg[i] = gethex(4, linebuf+34+5*i, &gottok); | |
909 | } | |
910 | } | |
911 | } | |
912 | while (!gottok); | |
913 | for (i = 0; i < NUM_REGS; i++) | |
914 | { | |
ae0ea72e SC |
915 | char swapped[2]; |
916 | swapped[1] = reg[i]; | |
917 | swapped[0] = (reg[i])>> 8; | |
fa4b55a1 | 918 | |
ae0ea72e SC |
919 | supply_register (i, swapped); |
920 | } | |
fa4b55a1 SC |
921 | } |
922 | ||
fa4b55a1 SC |
923 | |
924 | /* Store register REGNO, or all if REGNO == -1. | |
925 | Return errno value. */ | |
ae0ea72e | 926 | static void |
fa4b55a1 SC |
927 | hms_store_register (regno) |
928 | int regno; | |
929 | { | |
930 | ||
1f46923f | 931 | /* printf("hms_store_register() called.\n"); fflush(stdout); /* */ |
ae0ea72e SC |
932 | if (regno == -1) |
933 | { | |
934 | for (regno = 0; regno < NUM_REGS; regno ++) | |
935 | { | |
936 | hms_store_register(regno); | |
937 | } | |
938 | } | |
fa4b55a1 SC |
939 | else |
940 | { | |
941 | char *name = get_reg_name (regno); | |
942 | char buffer[100]; | |
943 | sprintf(buffer,"r %s=%x", name, read_register(regno)); | |
944 | hms_write_cr(buffer); | |
945 | expect_prompt(); | |
946 | } | |
fa4b55a1 SC |
947 | } |
948 | ||
ae0ea72e SC |
949 | |
950 | ||
fa4b55a1 SC |
951 | /* Get ready to modify the registers array. On machines which store |
952 | individual registers, this doesn't need to do anything. On machines | |
953 | which store all the registers in one fell swoop, this makes sure | |
954 | that registers contains all the registers from the program being | |
955 | debugged. */ | |
956 | ||
957 | void | |
958 | hms_prepare_to_store () | |
959 | { | |
960 | /* Do nothing, since we can store individual regs */ | |
961 | } | |
962 | ||
963 | static CORE_ADDR | |
964 | translate_addr(addr) | |
965 | CORE_ADDR addr; | |
966 | { | |
967 | ||
968 | return(addr); | |
969 | ||
970 | } | |
971 | ||
972 | /* Read a word from remote address ADDR and return it. | |
973 | * This goes through the data cache. | |
974 | */ | |
975 | int | |
976 | hms_fetch_word (addr) | |
977 | CORE_ADDR addr; | |
978 | { | |
979 | return dcache_fetch (addr); | |
980 | } | |
981 | ||
982 | /* Write a word WORD into remote address ADDR. | |
983 | This goes through the data cache. */ | |
984 | ||
985 | void | |
986 | hms_store_word (addr, word) | |
987 | CORE_ADDR addr; | |
988 | int word; | |
989 | { | |
990 | dcache_poke (addr, word); | |
991 | } | |
992 | ||
993 | int | |
994 | hms_xfer_inferior_memory(memaddr, myaddr, len, write, target) | |
995 | CORE_ADDR memaddr; | |
996 | char *myaddr; | |
997 | int len; | |
998 | int write; | |
999 | struct target_ops *target; /* ignored */ | |
1000 | { | |
1001 | register int i; | |
1002 | /* Round starting address down to longword boundary. */ | |
1003 | register CORE_ADDR addr; | |
1004 | /* Round ending address up; get number of longwords that makes. */ | |
1005 | register int count; | |
1006 | /* Allocate buffer of that many longwords. */ | |
1007 | register int *buffer ; | |
1008 | ||
1009 | memaddr &= 0xffff; | |
1010 | addr = memaddr & - sizeof (int); | |
1011 | count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); | |
1012 | ||
1f46923f | 1013 | |
fa4b55a1 SC |
1014 | buffer = (int *)alloca (count * sizeof (int)); |
1015 | if (write) | |
1016 | { | |
1017 | /* Fill start and end extra bytes of buffer with existing memory data. */ | |
1018 | ||
1019 | if (addr != memaddr || len < (int)sizeof (int)) { | |
1020 | /* Need part of initial word -- fetch it. */ | |
1021 | buffer[0] = hms_fetch_word (addr); | |
1022 | } | |
1023 | ||
1024 | if (count > 1) /* FIXME, avoid if even boundary */ | |
1025 | { | |
1026 | buffer[count - 1] | |
1027 | = hms_fetch_word (addr + (count - 1) * sizeof (int)); | |
1028 | } | |
1029 | ||
1030 | /* Copy data to be written over corresponding part of buffer */ | |
1031 | ||
1032 | bcopy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); | |
1033 | ||
1034 | /* Write the entire buffer. */ | |
1035 | ||
1036 | for (i = 0; i < count; i++, addr += sizeof (int)) | |
1037 | { | |
1038 | errno = 0; | |
1039 | hms_store_word (addr, buffer[i]); | |
1040 | if (errno) | |
1041 | { | |
1042 | ||
1043 | return 0; | |
1044 | } | |
1045 | ||
1046 | } | |
1047 | } | |
1048 | else | |
1049 | { | |
1050 | /* Read all the longwords */ | |
1051 | for (i = 0; i < count; i++, addr += sizeof (int)) | |
1052 | { | |
1053 | errno = 0; | |
1054 | buffer[i] = hms_fetch_word (addr); | |
1055 | if (errno) | |
1056 | { | |
1057 | return 0; | |
1058 | } | |
1059 | QUIT; | |
1060 | } | |
1061 | ||
1062 | /* Copy appropriate bytes out of the buffer. */ | |
1063 | bcopy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len); | |
1064 | } | |
1065 | ||
1066 | ||
1067 | return len; | |
1068 | } | |
1069 | ||
fa4b55a1 SC |
1070 | int |
1071 | hms_write_inferior_memory (memaddr, myaddr, len) | |
1072 | CORE_ADDR memaddr; | |
ae0ea72e | 1073 | unsigned char *myaddr; |
fa4b55a1 SC |
1074 | int len; |
1075 | { | |
ae0ea72e SC |
1076 | bfd_vma addr; |
1077 | int done; | |
1078 | int todo ; | |
1079 | done = 0; | |
1080 | while(done < len) | |
1081 | { | |
1082 | char buffer[20]; | |
1083 | int thisgo; | |
1084 | int idx; | |
1085 | thisgo = len - done; | |
1086 | if (thisgo > 20) thisgo = 20; | |
1087 | ||
1088 | sprintf(buffer,"M.B %4x =", memaddr+done); | |
1089 | hms_write(buffer,10); | |
1090 | for (idx = 0; idx < thisgo; idx++) | |
1091 | { | |
1092 | char buf[20]; | |
1093 | sprintf(buf, "%2x ", myaddr[idx+done]); | |
1094 | hms_write(buf, 3); | |
1095 | } | |
1096 | hms_write_cr(""); | |
1097 | expect_prompt(); | |
1098 | done += thisgo; | |
1099 | } | |
1100 | ||
fa4b55a1 | 1101 | |
fa4b55a1 SC |
1102 | } |
1103 | ||
1104 | void | |
1105 | hms_files_info () | |
1106 | { | |
ae0ea72e SC |
1107 | char *file = "nothing"; |
1108 | if (exec_bfd) | |
1109 | file = bfd_get_filename(exec_bfd); | |
1110 | ||
1111 | if (exec_bfd) | |
1112 | #ifdef __GO32__ | |
1113 | printf_filtered("\tAttached to DOS asynctsr and running program %s\n",file); | |
1114 | #else | |
1115 | printf_filtered("\tAttached to %s at %d baud and running program %s\n",file); | |
1116 | #endif | |
fa4b55a1 SC |
1117 | printf_filtered("\ton an H8/300 processor.\n"); |
1118 | } | |
1119 | ||
1120 | /* Copy LEN bytes of data from debugger memory at MYADDR | |
1121 | to inferior's memory at MEMADDR. Returns errno value. | |
1122 | * sb/sh instructions don't work on unaligned addresses, when TU=1. | |
1123 | */ | |
1124 | ||
1125 | ||
1126 | /* Read LEN bytes from inferior memory at MEMADDR. Put the result | |
1127 | at debugger address MYADDR. Returns errno value. */ | |
1128 | int | |
1129 | hms_read_inferior_memory(memaddr, myaddr, len) | |
1130 | CORE_ADDR memaddr; | |
1131 | char *myaddr; | |
1132 | int len; | |
1133 | { | |
1134 | /* Align to nearest low 16 bits */ | |
1135 | int i; | |
1136 | ||
1137 | #if 0 | |
1138 | CORE_ADDR start = memaddr & ~0xf; | |
1139 | CORE_ADDR end = ((memaddr + len +16) & ~0xf) -1; | |
1140 | #endif | |
1141 | CORE_ADDR start = memaddr; | |
1142 | CORE_ADDR end = memaddr + len -1; | |
1143 | ||
1144 | int ok =1; | |
1145 | ||
1146 | /* | |
1147 | AAAA: XXXX XXXX XXXX XXXX XXXX XXXX XXXX XXXX '................' | |
1148 | 012345678901234567890123456789012345678901234567890123456789012345 | |
1149 | 0 1 2 3 4 5 6 | |
1150 | */ | |
1151 | char buffer[66]; | |
1152 | if (memaddr & 0xf) abort(); | |
1153 | if (len != 16) abort(); | |
1154 | ||
96743d3c | 1155 | sprintf(buffer, "m %4x %4x", start & 0xffff, end & 0xffff); |
fa4b55a1 SC |
1156 | hms_write_cr(buffer); |
1157 | /* drop the echo and newline*/ | |
1158 | for (i = 0; i < 13; i++) | |
1159 | readchar(); | |
1160 | ||
1161 | ||
1162 | ||
1163 | /* Grab the lines as they come out and fill the area */ | |
1164 | /* Skip over cr */ | |
1165 | while(1) | |
1166 | { | |
1167 | int p; | |
1168 | int i; | |
1169 | int addr; | |
1170 | size_t idx; | |
1171 | ||
1172 | char byte[16]; | |
1173 | buffer[0] = readchar(); | |
1174 | if (buffer[0] == 'M') | |
1175 | break; | |
1176 | for (i = 1; i < 66; i++) | |
1177 | buffer[i] = readchar(); | |
1178 | ||
1179 | /* Now parse the line */ | |
1180 | ||
1181 | addr = gethex(4, buffer, &ok); | |
1182 | idx = 6; | |
1183 | for (p = 0; p < 16; p+=2) | |
1184 | { | |
1185 | byte[p] = gethex(2, buffer + idx, &ok); | |
1186 | byte[p+1] = gethex(2, buffer+ idx + 2, &ok); | |
1187 | idx+=5; | |
1188 | ||
1189 | } | |
1190 | ||
1191 | ||
1192 | for (p = 0; p<16;p++) | |
1193 | { | |
1194 | if (addr + p >= memaddr && | |
1195 | addr + p < memaddr + len) | |
1196 | { | |
1197 | myaddr[ (addr + p)-memaddr] = byte[p]; | |
1198 | ||
1199 | } | |
1200 | ||
1201 | } | |
1202 | } | |
96743d3c | 1203 | hms_write_cr(" "); |
fa4b55a1 | 1204 | expect_prompt(); |
fa4b55a1 | 1205 | return len; |
fa4b55a1 SC |
1206 | } |
1207 | ||
1208 | /* This routine is run as a hook, just before the main command loop is | |
1209 | entered. If gdb is configured for the H8, but has not had its | |
1210 | target specified yet, this will loop prompting the user to do so. | |
1211 | */ | |
1212 | ||
1213 | hms_before_main_loop () | |
1214 | { | |
1215 | char ttyname[100]; | |
1216 | char *p, *p2; | |
1217 | extern FILE *instream; | |
1218 | extern jmp_buf to_top_level; | |
1219 | ||
1220 | push_target (&hms_ops); | |
fa4b55a1 SC |
1221 | } |
1222 | ||
1223 | ||
1224 | #define MAX_BREAKS 16 | |
1225 | static int num_brkpts=0; | |
1226 | static int | |
1227 | hms_insert_breakpoint(addr, save) | |
1228 | CORE_ADDR addr; | |
1229 | char *save; /* Throw away, let hms save instructions */ | |
1230 | { | |
fa4b55a1 SC |
1231 | check_open(); |
1232 | ||
ae0ea72e SC |
1233 | if (num_brkpts < MAX_BREAKS) |
1234 | { | |
1235 | char buffer[100]; | |
1236 | num_brkpts++; | |
1237 | sprintf(buffer,"b %x", addr & 0xffff); | |
1238 | hms_write_cr(buffer); | |
1239 | expect_prompt (); | |
ae0ea72e SC |
1240 | return(0); |
1241 | } | |
1242 | else | |
1243 | { | |
1244 | fprintf_filtered(stderr, | |
1245 | "Too many break points, break point not installed\n"); | |
ae0ea72e SC |
1246 | return(1); |
1247 | } | |
fa4b55a1 SC |
1248 | |
1249 | ||
1250 | } | |
1251 | static int | |
1252 | hms_remove_breakpoint(addr, save) | |
1253 | CORE_ADDR addr; | |
1254 | char *save; /* Throw away, let hms save instructions */ | |
1255 | { | |
ae0ea72e SC |
1256 | if (num_brkpts > 0) |
1257 | { | |
1258 | char buffer[100]; | |
fa4b55a1 | 1259 | |
ae0ea72e SC |
1260 | num_brkpts--; |
1261 | sprintf(buffer,"b - %x", addr & 0xffff); | |
1262 | hms_write_cr(buffer); | |
1263 | expect_prompt(); | |
fa4b55a1 | 1264 | |
ae0ea72e | 1265 | } |
fa4b55a1 SC |
1266 | return(0); |
1267 | } | |
1268 | ||
1269 | /* Clear the hmss notion of what the break points are */ | |
1270 | static int | |
1271 | hms_clear_breakpoints() | |
1272 | { | |
1273 | ||
ae0ea72e SC |
1274 | if (is_open) { |
1275 | hms_write_cr("b -"); | |
1276 | expect_prompt (); | |
1277 | } | |
fa4b55a1 | 1278 | num_brkpts = 0; |
fa4b55a1 SC |
1279 | } |
1280 | static void | |
1281 | hms_mourn() | |
1282 | { | |
fa4b55a1 | 1283 | hms_clear_breakpoints(); |
fa4b55a1 | 1284 | generic_mourn_inferior (); |
fa4b55a1 SC |
1285 | } |
1286 | ||
fa4b55a1 SC |
1287 | |
1288 | ||
1289 | /* Put a command string, in args, out to the hms. The hms is assumed to | |
ae0ea72e | 1290 | be in raw mode, all writing/reading done through desc. |
fa4b55a1 SC |
1291 | Ouput from the hms is placed on the users terminal until the |
1292 | prompt from the hms is seen. | |
1293 | FIXME: Can't handle commands that take input. */ | |
1294 | ||
1295 | void | |
1296 | hms_com (args, fromtty) | |
1297 | char *args; | |
1298 | int fromtty; | |
1299 | { | |
1300 | check_open(); | |
1301 | ||
1302 | if (!args) return; | |
1303 | ||
1304 | /* Clear all input so only command relative output is displayed */ | |
1305 | ||
fa4b55a1 SC |
1306 | hms_write_cr(args); |
1307 | hms_write("\030",1); | |
1308 | expect_prompt(); | |
fa4b55a1 SC |
1309 | } |
1310 | ||
1311 | /* Define the target subroutine names */ | |
1312 | ||
1313 | struct target_ops hms_ops = { | |
1314 | "hms", "Remote HMS monitor", | |
1315 | "Use the H8 evaluation board running the HMS monitor connected\n\ | |
1316 | by a serial line.", | |
1317 | ||
1318 | hms_open, hms_close, | |
836e343b | 1319 | 0, hms_detach, hms_resume, hms_wait, /* attach */ |
fa4b55a1 | 1320 | hms_fetch_register, hms_store_register, |
a03d4f8e | 1321 | hms_prepare_to_store, |
fa4b55a1 SC |
1322 | hms_xfer_inferior_memory, |
1323 | hms_files_info, | |
1324 | hms_insert_breakpoint, hms_remove_breakpoint, /* Breakpoints */ | |
1325 | 0, 0, 0, 0, 0, /* Terminal handling */ | |
1326 | hms_kill, /* FIXME, kill */ | |
1327 | hms_load, | |
fa4b55a1 SC |
1328 | 0, /* lookup_symbol */ |
1329 | hms_create_inferior, /* create_inferior */ | |
1330 | hms_mourn, /* mourn_inferior FIXME */ | |
5ee4e16c | 1331 | 0, /* can_run */ |
fa4b55a1 SC |
1332 | process_stratum, 0, /* next */ |
1333 | 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */ | |
1334 | 0,0, /* Section pointers */ | |
1335 | OPS_MAGIC, /* Always the last thing */ | |
1336 | }; | |
1337 | ||
1338 | ||
1339 | hms_quiet() | |
1340 | { | |
ae0ea72e SC |
1341 | quiet = ! quiet; |
1342 | if (quiet) | |
1343 | printf_filtered("Snoop disabled\n"); | |
1344 | else | |
1345 | printf_filtered("Snoop enabled\n"); | |
1346 | ||
fa4b55a1 SC |
1347 | } |
1348 | ||
1349 | hms_device(s) | |
1350 | char *s; | |
1351 | { | |
ae0ea72e SC |
1352 | if (s) |
1353 | { | |
1354 | dev_name = get_word(&s); | |
1355 | } | |
fa4b55a1 SC |
1356 | } |
1357 | ||
ae0ea72e | 1358 | |
96743d3c SC |
1359 | static |
1360 | hms_speed(s) | |
fa4b55a1 SC |
1361 | char *s; |
1362 | { | |
ae0ea72e | 1363 | check_open(); |
96743d3c | 1364 | |
fa4b55a1 SC |
1365 | if (s) |
1366 | { | |
1367 | char buffer[100]; | |
1368 | int newrate = atoi(s); | |
1369 | int which = 0; | |
ae0ea72e | 1370 | if (!serial_setbaudrate(newrate)) |
fa4b55a1 | 1371 | error("Can't use %d baud\n", newrate); |
fa4b55a1 | 1372 | |
fa4b55a1 | 1373 | printf_filtered("Checking target is in sync\n"); |
fa4b55a1 SC |
1374 | |
1375 | get_baudrate_right(); | |
1376 | baudrate = newrate; | |
1377 | printf_filtered("Sending commands to set target to %d\n", | |
1378 | baudrate); | |
1379 | ||
1380 | sprintf(buffer, "tm %d. N 8 1", baudrate); | |
96743d3c | 1381 | hms_write_cr(buffer); |
fa4b55a1 SC |
1382 | } |
1383 | } | |
1384 | ||
1385 | /***********************************************************************/ | |
1386 | ||
1387 | void | |
1388 | _initialize_remote_hms () | |
1389 | { | |
1390 | add_target (&hms_ops); | |
1391 | add_com ("hms <command>", class_obscure, hms_com, | |
1392 | "Send a command to the HMS monitor."); | |
1393 | add_com ("snoop", class_obscure, hms_quiet, | |
1394 | "Show what commands are going to the monitor"); | |
ae0ea72e | 1395 | |
fa4b55a1 SC |
1396 | add_com ("device", class_obscure, hms_device, |
1397 | "Set the terminal line for HMS communications"); | |
1398 | ||
1399 | add_com ("speed", class_obscure, hms_speed, | |
1400 | "Set the terminal line speed for HMS communications"); | |
1401 | ||
ae0ea72e | 1402 | dev_name = serial_default_name(); |
fa4b55a1 SC |
1403 | } |
1404 | ||
1405 |