Commit | Line | Data |
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b4b4b794 KI |
1 | /* Remote debugging interface for M32R/SDI. |
2 | ||
0fb0cc75 | 3 | Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
9b254dd1 | 4 | Free Software Foundation, Inc. |
b4b4b794 KI |
5 | |
6 | Contributed by Renesas Technology Co. | |
7 | Written by Kei Sakamoto <sakamoto.kei@renesas.com>. | |
8 | ||
9 | This file is part of GDB. | |
10 | ||
11 | This program is free software; you can redistribute it and/or modify | |
12 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 13 | the Free Software Foundation; either version 3 of the License, or |
b4b4b794 KI |
14 | (at your option) any later version. |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
b4b4b794 KI |
23 | |
24 | #include "defs.h" | |
25 | #include "gdbcmd.h" | |
26 | #include "gdbcore.h" | |
27 | #include "inferior.h" | |
28 | #include "target.h" | |
29 | #include "regcache.h" | |
30 | #include "gdb_string.h" | |
e5ef4d75 | 31 | #include "gdbthread.h" |
b4b4b794 KI |
32 | #include <ctype.h> |
33 | #include <signal.h> | |
cbba9205 KI |
34 | #ifdef __MINGW32__ |
35 | #include <winsock.h> | |
36 | #else | |
b4b4b794 | 37 | #include <netinet/in.h> |
cbba9205 | 38 | #endif |
b4b4b794 KI |
39 | #include <sys/types.h> |
40 | #include <sys/time.h> | |
41 | #include <signal.h> | |
42 | #include <time.h> | |
43 | ||
44 | ||
45 | #include "serial.h" | |
46 | ||
47 | /* Descriptor for I/O to remote machine. */ | |
48 | ||
49 | static struct serial *sdi_desc = NULL; | |
50 | ||
51 | #define SDI_TIMEOUT 30 | |
52 | ||
53 | ||
54 | #define SDIPORT 3232 | |
55 | ||
56 | static char chip_name[64]; | |
57 | ||
58 | static int step_mode; | |
59 | static unsigned long last_pc_addr = 0xffffffff; | |
60 | static unsigned char last_pc_addr_data[2]; | |
61 | ||
62 | static int mmu_on = 0; | |
63 | ||
64 | static int use_ib_breakpoints = 1; | |
65 | ||
66 | #define MAX_BREAKPOINTS 1024 | |
67 | static int max_ib_breakpoints; | |
68 | static unsigned long bp_address[MAX_BREAKPOINTS]; | |
69 | static unsigned char bp_data[MAX_BREAKPOINTS][4]; | |
b4b4b794 KI |
70 | |
71 | /* dbt -> nop */ | |
72 | static const unsigned char dbt_bp_entry[] = { | |
73 | 0x10, 0xe0, 0x70, 0x00 | |
74 | }; | |
75 | ||
76 | #define MAX_ACCESS_BREAKS 4 | |
77 | static int max_access_breaks; | |
78 | static unsigned long ab_address[MAX_ACCESS_BREAKS]; | |
79 | static unsigned int ab_type[MAX_ACCESS_BREAKS]; | |
80 | static unsigned int ab_size[MAX_ACCESS_BREAKS]; | |
81 | static CORE_ADDR hit_watchpoint_addr = 0; | |
82 | ||
83 | static int interrupted = 0; | |
84 | ||
85 | /* Forward data declarations */ | |
86 | extern struct target_ops m32r_ops; | |
87 | ||
e5ef4d75 PA |
88 | /* This is the ptid we use while we're connected to the remote. Its |
89 | value is arbitrary, as the target doesn't have a notion of | |
90 | processes or threads, but we need something non-null to place in | |
91 | inferior_ptid. */ | |
92 | static ptid_t remote_m32r_ptid; | |
b4b4b794 KI |
93 | |
94 | /* Commands */ | |
95 | #define SDI_OPEN 1 | |
96 | #define SDI_CLOSE 2 | |
97 | #define SDI_RELEASE 3 | |
98 | #define SDI_READ_CPU_REG 4 | |
99 | #define SDI_WRITE_CPU_REG 5 | |
100 | #define SDI_READ_MEMORY 6 | |
101 | #define SDI_WRITE_MEMORY 7 | |
102 | #define SDI_EXEC_CPU 8 | |
103 | #define SDI_STOP_CPU 9 | |
104 | #define SDI_WAIT_FOR_READY 10 | |
105 | #define SDI_GET_ATTR 11 | |
106 | #define SDI_SET_ATTR 12 | |
107 | #define SDI_STATUS 13 | |
108 | ||
109 | /* Attributes */ | |
110 | #define SDI_ATTR_NAME 1 | |
111 | #define SDI_ATTR_BRK 2 | |
112 | #define SDI_ATTR_ABRK 3 | |
113 | #define SDI_ATTR_CACHE 4 | |
114 | #define SDI_CACHE_TYPE_M32102 0 | |
115 | #define SDI_CACHE_TYPE_CHAOS 1 | |
116 | #define SDI_ATTR_MEM_ACCESS 5 | |
117 | #define SDI_MEM_ACCESS_DEBUG_DMA 0 | |
118 | #define SDI_MEM_ACCESS_MON_CODE 1 | |
119 | ||
120 | /* Registers */ | |
121 | #define SDI_REG_R0 0 | |
122 | #define SDI_REG_R1 1 | |
123 | #define SDI_REG_R2 2 | |
124 | #define SDI_REG_R3 3 | |
125 | #define SDI_REG_R4 4 | |
126 | #define SDI_REG_R5 5 | |
127 | #define SDI_REG_R6 6 | |
128 | #define SDI_REG_R7 7 | |
129 | #define SDI_REG_R8 8 | |
130 | #define SDI_REG_R9 9 | |
131 | #define SDI_REG_R10 10 | |
132 | #define SDI_REG_R11 11 | |
133 | #define SDI_REG_R12 12 | |
134 | #define SDI_REG_FP 13 | |
135 | #define SDI_REG_LR 14 | |
136 | #define SDI_REG_SP 15 | |
137 | #define SDI_REG_PSW 16 | |
138 | #define SDI_REG_CBR 17 | |
139 | #define SDI_REG_SPI 18 | |
140 | #define SDI_REG_SPU 19 | |
141 | #define SDI_REG_CR4 20 | |
142 | #define SDI_REG_EVB 21 | |
143 | #define SDI_REG_BPC 22 | |
144 | #define SDI_REG_CR7 23 | |
145 | #define SDI_REG_BBPSW 24 | |
146 | #define SDI_REG_CR9 25 | |
147 | #define SDI_REG_CR10 26 | |
148 | #define SDI_REG_CR11 27 | |
149 | #define SDI_REG_CR12 28 | |
150 | #define SDI_REG_WR 29 | |
151 | #define SDI_REG_BBPC 30 | |
152 | #define SDI_REG_PBP 31 | |
153 | #define SDI_REG_ACCH 32 | |
154 | #define SDI_REG_ACCL 33 | |
155 | #define SDI_REG_ACC1H 34 | |
156 | #define SDI_REG_ACC1L 35 | |
157 | ||
158 | ||
159 | /* Low level communication functions */ | |
160 | ||
161 | /* Check an ack packet from the target */ | |
162 | static int | |
163 | get_ack (void) | |
164 | { | |
165 | int c; | |
166 | ||
717eb1cf | 167 | if (!sdi_desc) |
b4b4b794 KI |
168 | return -1; |
169 | ||
170 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
171 | ||
172 | if (c < 0) | |
173 | return -1; | |
174 | ||
717eb1cf | 175 | if (c != '+') /* error */ |
b4b4b794 KI |
176 | return -1; |
177 | ||
178 | return 0; | |
179 | } | |
180 | ||
181 | /* Send data to the target and check an ack packet */ | |
182 | static int | |
183 | send_data (void *buf, int len) | |
184 | { | |
185 | int ret; | |
186 | ||
717eb1cf | 187 | if (!sdi_desc) |
b4b4b794 KI |
188 | return -1; |
189 | ||
190 | if (serial_write (sdi_desc, buf, len) != 0) | |
191 | return -1; | |
192 | ||
193 | if (get_ack () == -1) | |
194 | return -1; | |
195 | ||
196 | return len; | |
197 | } | |
198 | ||
199 | /* Receive data from the target */ | |
200 | static int | |
201 | recv_data (void *buf, int len) | |
202 | { | |
203 | int total = 0; | |
204 | int c; | |
205 | ||
717eb1cf | 206 | if (!sdi_desc) |
b4b4b794 KI |
207 | return -1; |
208 | ||
209 | while (total < len) | |
210 | { | |
211 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
212 | ||
213 | if (c < 0) | |
214 | return -1; | |
215 | ||
216 | ((unsigned char *) buf)[total++] = c; | |
217 | } | |
218 | ||
219 | return len; | |
220 | } | |
221 | ||
222 | /* Store unsigned long parameter on packet */ | |
223 | static void | |
224 | store_long_parameter (void *buf, long val) | |
225 | { | |
226 | val = htonl (val); | |
227 | memcpy (buf, &val, 4); | |
228 | } | |
229 | ||
e22f895c KI |
230 | static int |
231 | send_cmd (unsigned char cmd) | |
232 | { | |
233 | unsigned char buf[1]; | |
234 | buf[0] = cmd; | |
235 | return send_data (buf, 1); | |
236 | } | |
237 | ||
238 | static int | |
239 | send_one_arg_cmd (unsigned char cmd, unsigned char arg1) | |
240 | { | |
241 | unsigned char buf[2]; | |
242 | buf[0] = cmd; | |
243 | buf[1] = arg1; | |
244 | return send_data (buf, 2); | |
245 | } | |
246 | ||
247 | static int | |
248 | send_two_arg_cmd (unsigned char cmd, unsigned char arg1, unsigned long arg2) | |
249 | { | |
250 | unsigned char buf[6]; | |
251 | buf[0] = cmd; | |
252 | buf[1] = arg1; | |
253 | store_long_parameter (buf + 2, arg2); | |
254 | return send_data (buf, 6); | |
255 | } | |
256 | ||
257 | static int | |
258 | send_three_arg_cmd (unsigned char cmd, unsigned long arg1, unsigned long arg2, | |
259 | unsigned long arg3) | |
260 | { | |
261 | unsigned char buf[13]; | |
262 | buf[0] = cmd; | |
263 | store_long_parameter (buf + 1, arg1); | |
264 | store_long_parameter (buf + 5, arg2); | |
265 | store_long_parameter (buf + 9, arg3); | |
266 | return send_data (buf, 13); | |
267 | } | |
268 | ||
269 | static unsigned char | |
270 | recv_char_data (void) | |
271 | { | |
272 | unsigned char val; | |
273 | recv_data (&val, 1); | |
274 | return val; | |
275 | } | |
276 | ||
277 | static unsigned long | |
278 | recv_long_data (void) | |
279 | { | |
280 | unsigned long val; | |
281 | recv_data (&val, 4); | |
282 | return ntohl (val); | |
283 | } | |
284 | ||
285 | ||
b4b4b794 KI |
286 | /* Check if MMU is on */ |
287 | static void | |
288 | check_mmu_status (void) | |
289 | { | |
290 | unsigned long val; | |
b4b4b794 KI |
291 | |
292 | /* Read PC address */ | |
e22f895c | 293 | if (send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BPC) == -1) |
b4b4b794 | 294 | return; |
e22f895c | 295 | val = recv_long_data (); |
b4b4b794 KI |
296 | if ((val & 0xc0000000) == 0x80000000) |
297 | { | |
298 | mmu_on = 1; | |
299 | return; | |
300 | } | |
301 | ||
302 | /* Read EVB address */ | |
e22f895c | 303 | if (send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_EVB) == -1) |
b4b4b794 | 304 | return; |
e22f895c | 305 | val = recv_long_data (); |
b4b4b794 KI |
306 | if ((val & 0xc0000000) == 0x80000000) |
307 | { | |
308 | mmu_on = 1; | |
309 | return; | |
310 | } | |
311 | ||
312 | mmu_on = 0; | |
313 | } | |
314 | ||
315 | ||
316 | /* This is called not only when we first attach, but also when the | |
317 | user types "run" after having attached. */ | |
318 | static void | |
136d6dae VP |
319 | m32r_create_inferior (struct target_ops *ops, char *execfile, |
320 | char *args, char **env, int from_tty) | |
b4b4b794 KI |
321 | { |
322 | CORE_ADDR entry_pt; | |
323 | ||
324 | if (args && *args) | |
8a3fe4f8 | 325 | error (_("Cannot pass arguments to remote STDEBUG process")); |
b4b4b794 KI |
326 | |
327 | if (execfile == 0 || exec_bfd == 0) | |
8a3fe4f8 | 328 | error (_("No executable file specified")); |
b4b4b794 KI |
329 | |
330 | if (remote_debug) | |
331 | fprintf_unfiltered (gdb_stdlog, "m32r_create_inferior(%s,%s)\n", execfile, | |
332 | args); | |
333 | ||
334 | entry_pt = bfd_get_start_address (exec_bfd); | |
335 | ||
336 | /* The "process" (board) is already stopped awaiting our commands, and | |
337 | the program is already downloaded. We just set its PC and go. */ | |
338 | ||
339 | clear_proceed_status (); | |
340 | ||
341 | /* Tell wait_for_inferior that we've started a new process. */ | |
342 | init_wait_for_inferior (); | |
343 | ||
344 | /* Set up the "saved terminal modes" of the inferior | |
345 | based on what modes we are starting it with. */ | |
346 | target_terminal_init (); | |
347 | ||
348 | /* Install inferior's terminal modes. */ | |
349 | target_terminal_inferior (); | |
350 | ||
281b533b | 351 | write_pc (entry_pt); |
b4b4b794 KI |
352 | } |
353 | ||
354 | /* Open a connection to a remote debugger. | |
355 | NAME is the filename used for communication. */ | |
356 | ||
357 | static void | |
358 | m32r_open (char *args, int from_tty) | |
359 | { | |
360 | struct hostent *host_ent; | |
361 | struct sockaddr_in server_addr; | |
362 | char *port_str, hostname[256]; | |
363 | int port; | |
b4b4b794 KI |
364 | int i, n; |
365 | int yes = 1; | |
366 | ||
367 | if (remote_debug) | |
368 | fprintf_unfiltered (gdb_stdlog, "m32r_open(%d)\n", from_tty); | |
369 | ||
370 | target_preopen (from_tty); | |
371 | ||
372 | push_target (&m32r_ops); | |
373 | ||
374 | if (args == NULL) | |
375 | sprintf (hostname, "localhost:%d", SDIPORT); | |
376 | else | |
377 | { | |
378 | port_str = strchr (args, ':'); | |
379 | if (port_str == NULL) | |
717eb1cf | 380 | sprintf (hostname, "%s:%d", args, SDIPORT); |
b4b4b794 KI |
381 | else |
382 | strcpy (hostname, args); | |
383 | } | |
384 | ||
385 | sdi_desc = serial_open (hostname); | |
386 | if (!sdi_desc) | |
8a3fe4f8 | 387 | error (_("Connection refused.")); |
b4b4b794 KI |
388 | |
389 | if (get_ack () == -1) | |
8a3fe4f8 | 390 | error (_("Cannot connect to SDI target.")); |
b4b4b794 | 391 | |
e22f895c | 392 | if (send_cmd (SDI_OPEN) == -1) |
8a3fe4f8 | 393 | error (_("Cannot connect to SDI target.")); |
b4b4b794 KI |
394 | |
395 | /* Get maximum number of ib breakpoints */ | |
e22f895c KI |
396 | send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_BRK); |
397 | max_ib_breakpoints = recv_char_data (); | |
b4b4b794 KI |
398 | if (remote_debug) |
399 | printf_filtered ("Max IB Breakpoints = %d\n", max_ib_breakpoints); | |
400 | ||
401 | /* Initialize breakpoints. */ | |
402 | for (i = 0; i < MAX_BREAKPOINTS; i++) | |
403 | bp_address[i] = 0xffffffff; | |
404 | ||
405 | /* Get maximum number of access breaks. */ | |
e22f895c KI |
406 | send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_ABRK); |
407 | max_access_breaks = recv_char_data (); | |
b4b4b794 KI |
408 | if (remote_debug) |
409 | printf_filtered ("Max Access Breaks = %d\n", max_access_breaks); | |
410 | ||
411 | /* Initialize access breask. */ | |
412 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) | |
413 | ab_address[i] = 0x00000000; | |
414 | ||
415 | check_mmu_status (); | |
416 | ||
417 | /* Get the name of chip on target board. */ | |
e22f895c | 418 | send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_NAME); |
b4b4b794 KI |
419 | recv_data (chip_name, 64); |
420 | ||
421 | if (from_tty) | |
422 | printf_filtered ("Remote %s connected to %s\n", target_shortname, | |
423 | chip_name); | |
424 | } | |
425 | ||
426 | /* Close out all files and local state before this target loses control. */ | |
427 | ||
428 | static void | |
429 | m32r_close (int quitting) | |
430 | { | |
b4b4b794 KI |
431 | if (remote_debug) |
432 | fprintf_unfiltered (gdb_stdlog, "m32r_close(%d)\n", quitting); | |
433 | ||
434 | if (sdi_desc) | |
435 | { | |
e22f895c | 436 | send_cmd (SDI_CLOSE); |
b4b4b794 KI |
437 | serial_close (sdi_desc); |
438 | sdi_desc = NULL; | |
439 | } | |
440 | ||
441 | inferior_ptid = null_ptid; | |
e5ef4d75 | 442 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
443 | return; |
444 | } | |
445 | ||
446 | /* Tell the remote machine to resume. */ | |
447 | ||
448 | static void | |
449 | m32r_resume (ptid_t ptid, int step, enum target_signal sig) | |
450 | { | |
451 | unsigned long pc_addr, bp_addr, ab_addr; | |
e22f895c | 452 | int ib_breakpoints; |
b4b4b794 KI |
453 | unsigned char buf[13]; |
454 | int i; | |
455 | ||
456 | if (remote_debug) | |
457 | { | |
458 | if (step) | |
459 | fprintf_unfiltered (gdb_stdlog, "\nm32r_resume(step)\n"); | |
460 | else | |
461 | fprintf_unfiltered (gdb_stdlog, "\nm32r_resume(cont)\n"); | |
462 | } | |
463 | ||
464 | check_mmu_status (); | |
465 | ||
466 | pc_addr = read_pc (); | |
467 | if (remote_debug) | |
468 | fprintf_unfiltered (gdb_stdlog, "pc <= 0x%lx\n", pc_addr); | |
469 | ||
470 | /* At pc address there is a parallel instruction with +2 offset, | |
471 | so we have to make it a serial instruction or avoid it. */ | |
472 | if (pc_addr == last_pc_addr) | |
473 | { | |
474 | /* Avoid a parallel nop. */ | |
475 | if (last_pc_addr_data[0] == 0xf0 && last_pc_addr_data[1] == 0x00) | |
476 | { | |
477 | pc_addr += 2; | |
478 | /* Now we can forget this instruction. */ | |
479 | last_pc_addr = 0xffffffff; | |
480 | } | |
481 | /* Clear a parallel bit. */ | |
482 | else | |
483 | { | |
484 | buf[0] = SDI_WRITE_MEMORY; | |
1cf3db46 | 485 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 KI |
486 | store_long_parameter (buf + 1, pc_addr); |
487 | else | |
488 | store_long_parameter (buf + 1, pc_addr - 1); | |
489 | store_long_parameter (buf + 5, 1); | |
490 | buf[9] = last_pc_addr_data[0] & 0x7f; | |
491 | send_data (buf, 10); | |
492 | } | |
493 | } | |
494 | ||
495 | /* Set PC. */ | |
e22f895c | 496 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BPC, pc_addr); |
b4b4b794 KI |
497 | |
498 | /* step mode. */ | |
499 | step_mode = step; | |
500 | if (step) | |
501 | { | |
502 | /* Set PBP. */ | |
e22f895c | 503 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PBP, pc_addr | 1); |
b4b4b794 KI |
504 | } |
505 | else | |
506 | { | |
e22f895c KI |
507 | /* Unset PBP. */ |
508 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PBP, 0x00000000); | |
509 | } | |
510 | ||
511 | if (use_ib_breakpoints) | |
512 | ib_breakpoints = max_ib_breakpoints; | |
513 | else | |
514 | ib_breakpoints = 0; | |
515 | ||
516 | /* Set ib breakpoints. */ | |
517 | for (i = 0; i < ib_breakpoints; i++) | |
518 | { | |
519 | bp_addr = bp_address[i]; | |
b4b4b794 | 520 | |
e22f895c KI |
521 | if (bp_addr == 0xffffffff) |
522 | continue; | |
523 | ||
524 | /* Set PBP. */ | |
1cf3db46 | 525 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
e22f895c KI |
526 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4, |
527 | 0x00000006); | |
b4b4b794 | 528 | else |
e22f895c KI |
529 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4, |
530 | 0x06000000); | |
531 | ||
532 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8080 + 4 * i, 4, bp_addr); | |
533 | } | |
534 | ||
535 | /* Set dbt breakpoints. */ | |
536 | for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++) | |
537 | { | |
538 | bp_addr = bp_address[i]; | |
539 | ||
540 | if (bp_addr == 0xffffffff) | |
541 | continue; | |
542 | ||
543 | if (!mmu_on) | |
544 | bp_addr &= 0x7fffffff; | |
b4b4b794 | 545 | |
e22f895c KI |
546 | /* Write DBT instruction. */ |
547 | buf[0] = SDI_WRITE_MEMORY; | |
492e5c6b | 548 | store_long_parameter (buf + 1, (bp_addr & 0xfffffffc)); |
e22f895c KI |
549 | store_long_parameter (buf + 5, 4); |
550 | if ((bp_addr & 2) == 0 && bp_addr != (pc_addr & 0xfffffffc)) | |
b4b4b794 | 551 | { |
1cf3db46 | 552 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 553 | { |
e22f895c KI |
554 | buf[9] = dbt_bp_entry[0]; |
555 | buf[10] = dbt_bp_entry[1]; | |
556 | buf[11] = dbt_bp_entry[2]; | |
557 | buf[12] = dbt_bp_entry[3]; | |
558 | } | |
559 | else | |
560 | { | |
561 | buf[9] = dbt_bp_entry[3]; | |
562 | buf[10] = dbt_bp_entry[2]; | |
563 | buf[11] = dbt_bp_entry[1]; | |
564 | buf[12] = dbt_bp_entry[0]; | |
b4b4b794 KI |
565 | } |
566 | } | |
e22f895c | 567 | else |
b4b4b794 | 568 | { |
1cf3db46 | 569 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 570 | { |
e22f895c | 571 | if ((bp_addr & 2) == 0) |
b4b4b794 | 572 | { |
e22f895c KI |
573 | buf[9] = dbt_bp_entry[0]; |
574 | buf[10] = dbt_bp_entry[1]; | |
575 | buf[11] = bp_data[i][2] & 0x7f; | |
576 | buf[12] = bp_data[i][3]; | |
b4b4b794 KI |
577 | } |
578 | else | |
579 | { | |
e22f895c KI |
580 | buf[9] = bp_data[i][0]; |
581 | buf[10] = bp_data[i][1]; | |
582 | buf[11] = dbt_bp_entry[0]; | |
583 | buf[12] = dbt_bp_entry[1]; | |
b4b4b794 KI |
584 | } |
585 | } | |
e22f895c | 586 | else |
b4b4b794 | 587 | { |
e22f895c | 588 | if ((bp_addr & 2) == 0) |
b4b4b794 | 589 | { |
e22f895c KI |
590 | buf[9] = bp_data[i][0]; |
591 | buf[10] = bp_data[i][1] & 0x7f; | |
592 | buf[11] = dbt_bp_entry[1]; | |
593 | buf[12] = dbt_bp_entry[0]; | |
b4b4b794 KI |
594 | } |
595 | else | |
596 | { | |
e22f895c KI |
597 | buf[9] = dbt_bp_entry[1]; |
598 | buf[10] = dbt_bp_entry[0]; | |
599 | buf[11] = bp_data[i][2]; | |
600 | buf[12] = bp_data[i][3]; | |
b4b4b794 | 601 | } |
e22f895c KI |
602 | } |
603 | } | |
604 | send_data (buf, 13); | |
605 | } | |
b4b4b794 | 606 | |
e22f895c KI |
607 | /* Set access breaks. */ |
608 | for (i = 0; i < max_access_breaks; i++) | |
609 | { | |
610 | ab_addr = ab_address[i]; | |
b4b4b794 | 611 | |
e22f895c KI |
612 | if (ab_addr == 0x00000000) |
613 | continue; | |
b4b4b794 | 614 | |
e22f895c | 615 | /* DBC register */ |
1cf3db46 | 616 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
e22f895c KI |
617 | { |
618 | switch (ab_type[i]) | |
619 | { | |
620 | case 0: /* write watch */ | |
621 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
622 | 0x00000086); | |
623 | break; | |
624 | case 1: /* read watch */ | |
625 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
626 | 0x00000046); | |
627 | break; | |
628 | case 2: /* access watch */ | |
629 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
630 | 0x00000006); | |
631 | break; | |
632 | } | |
633 | } | |
634 | else | |
635 | { | |
636 | switch (ab_type[i]) | |
637 | { | |
638 | case 0: /* write watch */ | |
639 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
640 | 0x86000000); | |
641 | break; | |
642 | case 1: /* read watch */ | |
643 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
644 | 0x46000000); | |
645 | break; | |
646 | case 2: /* access watch */ | |
647 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
648 | 0x06000000); | |
649 | break; | |
b4b4b794 KI |
650 | } |
651 | } | |
652 | ||
e22f895c KI |
653 | /* DBAH register */ |
654 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8180 + 4 * i, 4, ab_addr); | |
655 | ||
656 | /* DBAL register */ | |
657 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8200 + 4 * i, 4, | |
658 | 0xffffffff); | |
659 | ||
660 | /* DBD register */ | |
661 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8280 + 4 * i, 4, | |
662 | 0x00000000); | |
663 | ||
664 | /* DBDM register */ | |
665 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8300 + 4 * i, 4, | |
666 | 0x00000000); | |
b4b4b794 KI |
667 | } |
668 | ||
e22f895c KI |
669 | /* Resume program. */ |
670 | send_cmd (SDI_EXEC_CPU); | |
b4b4b794 KI |
671 | |
672 | /* Without this, some commands which require an active target (such as kill) | |
673 | won't work. This variable serves (at least) double duty as both the pid | |
674 | of the target process (if it has such), and as a flag indicating that a | |
675 | target is active. These functions should be split out into seperate | |
676 | variables, especially since GDB will someday have a notion of debugging | |
677 | several processes. */ | |
e5ef4d75 PA |
678 | inferior_ptid = remote_m32r_ptid; |
679 | add_thread_silent (remote_m32r_ptid); | |
b4b4b794 KI |
680 | |
681 | return; | |
682 | } | |
683 | ||
684 | /* Wait until the remote machine stops, then return, | |
685 | storing status in STATUS just as `wait' would. */ | |
686 | ||
687 | static void | |
688 | gdb_cntrl_c (int signo) | |
689 | { | |
690 | if (remote_debug) | |
691 | fprintf_unfiltered (gdb_stdlog, "interrupt\n"); | |
692 | interrupted = 1; | |
693 | } | |
694 | ||
695 | static ptid_t | |
117de6a9 PA |
696 | m32r_wait (struct target_ops *ops, |
697 | ptid_t ptid, struct target_waitstatus *status) | |
b4b4b794 KI |
698 | { |
699 | static RETSIGTYPE (*prev_sigint) (); | |
700 | unsigned long bp_addr, pc_addr; | |
e22f895c | 701 | int ib_breakpoints; |
b4b4b794 KI |
702 | long i; |
703 | unsigned char buf[13]; | |
704 | unsigned long val; | |
705 | int ret, c; | |
706 | ||
707 | if (remote_debug) | |
708 | fprintf_unfiltered (gdb_stdlog, "m32r_wait()\n"); | |
709 | ||
710 | status->kind = TARGET_WAITKIND_EXITED; | |
711 | status->value.sig = 0; | |
712 | ||
713 | interrupted = 0; | |
714 | prev_sigint = signal (SIGINT, gdb_cntrl_c); | |
715 | ||
716 | /* Wait for ready */ | |
717 | buf[0] = SDI_WAIT_FOR_READY; | |
718 | if (serial_write (sdi_desc, buf, 1) != 0) | |
8a3fe4f8 | 719 | error (_("Remote connection closed")); |
b4b4b794 KI |
720 | |
721 | while (1) | |
722 | { | |
723 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
724 | if (c < 0) | |
8a3fe4f8 | 725 | error (_("Remote connection closed")); |
b4b4b794 | 726 | |
717eb1cf | 727 | if (c == '-') /* error */ |
b4b4b794 KI |
728 | { |
729 | status->kind = TARGET_WAITKIND_STOPPED; | |
730 | status->value.sig = TARGET_SIGNAL_HUP; | |
731 | return inferior_ptid; | |
732 | } | |
733 | else if (c == '+') /* stopped */ | |
734 | break; | |
735 | ||
736 | if (interrupted) | |
737 | ret = serial_write (sdi_desc, "!", 1); /* packet to interrupt */ | |
738 | else | |
739 | ret = serial_write (sdi_desc, ".", 1); /* packet to wait */ | |
740 | if (ret != 0) | |
8a3fe4f8 | 741 | error (_("Remote connection closed")); |
b4b4b794 KI |
742 | } |
743 | ||
744 | status->kind = TARGET_WAITKIND_STOPPED; | |
745 | if (interrupted) | |
746 | status->value.sig = TARGET_SIGNAL_INT; | |
747 | else | |
748 | status->value.sig = TARGET_SIGNAL_TRAP; | |
749 | ||
750 | interrupted = 0; | |
751 | signal (SIGINT, prev_sigint); | |
752 | ||
753 | check_mmu_status (); | |
754 | ||
755 | /* Recover parallel bit. */ | |
756 | if (last_pc_addr != 0xffffffff) | |
757 | { | |
758 | buf[0] = SDI_WRITE_MEMORY; | |
1cf3db46 | 759 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 KI |
760 | store_long_parameter (buf + 1, last_pc_addr); |
761 | else | |
762 | store_long_parameter (buf + 1, last_pc_addr - 1); | |
763 | store_long_parameter (buf + 5, 1); | |
764 | buf[9] = last_pc_addr_data[0]; | |
765 | send_data (buf, 10); | |
766 | last_pc_addr = 0xffffffff; | |
767 | } | |
768 | ||
e22f895c KI |
769 | if (use_ib_breakpoints) |
770 | ib_breakpoints = max_ib_breakpoints; | |
771 | else | |
772 | ib_breakpoints = 0; | |
b4b4b794 | 773 | |
e22f895c KI |
774 | /* Set back pc by 2 if m32r is stopped with dbt. */ |
775 | last_pc_addr = 0xffffffff; | |
776 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BPC); | |
777 | pc_addr = recv_long_data () - 2; | |
778 | for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++) | |
779 | { | |
780 | if (pc_addr == bp_address[i]) | |
b4b4b794 | 781 | { |
e22f895c KI |
782 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BPC, pc_addr); |
783 | ||
784 | /* If there is a parallel instruction with +2 offset at pc | |
785 | address, we have to take care of it later. */ | |
786 | if ((pc_addr & 0x2) != 0) | |
b4b4b794 | 787 | { |
1cf3db46 | 788 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 789 | { |
e22f895c | 790 | if ((bp_data[i][2] & 0x80) != 0) |
b4b4b794 | 791 | { |
e22f895c KI |
792 | last_pc_addr = pc_addr; |
793 | last_pc_addr_data[0] = bp_data[i][2]; | |
794 | last_pc_addr_data[1] = bp_data[i][3]; | |
b4b4b794 | 795 | } |
e22f895c KI |
796 | } |
797 | else | |
798 | { | |
799 | if ((bp_data[i][1] & 0x80) != 0) | |
b4b4b794 | 800 | { |
e22f895c KI |
801 | last_pc_addr = pc_addr; |
802 | last_pc_addr_data[0] = bp_data[i][1]; | |
803 | last_pc_addr_data[1] = bp_data[i][0]; | |
b4b4b794 KI |
804 | } |
805 | } | |
b4b4b794 | 806 | } |
e22f895c | 807 | break; |
b4b4b794 | 808 | } |
e22f895c | 809 | } |
b4b4b794 | 810 | |
e22f895c KI |
811 | /* Remove ib breakpoints. */ |
812 | for (i = 0; i < ib_breakpoints; i++) | |
813 | { | |
814 | if (bp_address[i] != 0xffffffff) | |
815 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4, | |
816 | 0x00000000); | |
817 | } | |
818 | /* Remove dbt breakpoints. */ | |
819 | for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++) | |
820 | { | |
821 | bp_addr = bp_address[i]; | |
822 | if (bp_addr != 0xffffffff) | |
b4b4b794 | 823 | { |
e22f895c KI |
824 | if (!mmu_on) |
825 | bp_addr &= 0x7fffffff; | |
492e5c6b | 826 | buf[0] = SDI_WRITE_MEMORY; |
e22f895c KI |
827 | store_long_parameter (buf + 1, bp_addr & 0xfffffffc); |
828 | store_long_parameter (buf + 5, 4); | |
829 | buf[9] = bp_data[i][0]; | |
830 | buf[10] = bp_data[i][1]; | |
831 | buf[11] = bp_data[i][2]; | |
832 | buf[12] = bp_data[i][3]; | |
833 | send_data (buf, 13); | |
b4b4b794 | 834 | } |
e22f895c | 835 | } |
b4b4b794 | 836 | |
e22f895c KI |
837 | /* Remove access breaks. */ |
838 | hit_watchpoint_addr = 0; | |
839 | for (i = 0; i < max_access_breaks; i++) | |
840 | { | |
841 | if (ab_address[i] != 0x00000000) | |
b4b4b794 | 842 | { |
e22f895c KI |
843 | buf[0] = SDI_READ_MEMORY; |
844 | store_long_parameter (buf + 1, 0xffff8100 + 4 * i); | |
845 | store_long_parameter (buf + 5, 4); | |
846 | serial_write (sdi_desc, buf, 9); | |
847 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
848 | if (c != '-' && recv_data (buf, 4) != -1) | |
b4b4b794 | 849 | { |
1cf3db46 | 850 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 851 | { |
e22f895c KI |
852 | if ((buf[3] & 0x1) == 0x1) |
853 | hit_watchpoint_addr = ab_address[i]; | |
854 | } | |
855 | else | |
856 | { | |
857 | if ((buf[0] & 0x1) == 0x1) | |
858 | hit_watchpoint_addr = ab_address[i]; | |
b4b4b794 | 859 | } |
b4b4b794 | 860 | } |
b4b4b794 | 861 | |
e22f895c KI |
862 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, |
863 | 0x00000000); | |
864 | } | |
b4b4b794 | 865 | } |
e22f895c KI |
866 | |
867 | if (remote_debug) | |
868 | fprintf_unfiltered (gdb_stdlog, "pc => 0x%lx\n", pc_addr); | |
b4b4b794 KI |
869 | |
870 | return inferior_ptid; | |
871 | } | |
872 | ||
873 | /* Terminate the open connection to the remote debugger. | |
874 | Use this when you want to detach and do something else | |
875 | with your gdb. */ | |
876 | static void | |
136d6dae | 877 | m32r_detach (struct target_ops *ops, char *args, int from_tty) |
b4b4b794 KI |
878 | { |
879 | if (remote_debug) | |
880 | fprintf_unfiltered (gdb_stdlog, "m32r_detach(%d)\n", from_tty); | |
881 | ||
882 | m32r_resume (inferior_ptid, 0, 0); | |
883 | ||
884 | /* calls m32r_close to do the real work */ | |
885 | pop_target (); | |
886 | if (from_tty) | |
887 | fprintf_unfiltered (gdb_stdlog, "Ending remote %s debugging\n", | |
888 | target_shortname); | |
889 | } | |
890 | ||
891 | /* Return the id of register number REGNO. */ | |
892 | ||
893 | static int | |
894 | get_reg_id (int regno) | |
895 | { | |
896 | switch (regno) | |
897 | { | |
898 | case 20: | |
899 | return SDI_REG_BBPC; | |
900 | case 21: | |
901 | return SDI_REG_BPC; | |
902 | case 22: | |
903 | return SDI_REG_ACCL; | |
904 | case 23: | |
905 | return SDI_REG_ACCH; | |
906 | case 24: | |
907 | return SDI_REG_EVB; | |
908 | } | |
909 | ||
910 | return regno; | |
911 | } | |
912 | ||
913 | /* Read the remote registers into the block REGS. */ | |
914 | ||
56be3814 | 915 | static void m32r_fetch_register (struct regcache *, int); |
b4b4b794 KI |
916 | |
917 | static void | |
56be3814 | 918 | m32r_fetch_registers (struct regcache *regcache) |
b4b4b794 KI |
919 | { |
920 | int regno; | |
921 | ||
40a6adc1 MD |
922 | for (regno = 0; |
923 | regno < gdbarch_num_regs (get_regcache_arch (regcache)); | |
924 | regno++) | |
56be3814 | 925 | m32r_fetch_register (regcache, regno); |
b4b4b794 KI |
926 | } |
927 | ||
928 | /* Fetch register REGNO, or all registers if REGNO is -1. | |
929 | Returns errno value. */ | |
930 | static void | |
56be3814 | 931 | m32r_fetch_register (struct regcache *regcache, int regno) |
b4b4b794 KI |
932 | { |
933 | unsigned long val, val2, regid; | |
b4b4b794 KI |
934 | |
935 | if (regno == -1) | |
56be3814 | 936 | m32r_fetch_registers (regcache); |
b4b4b794 KI |
937 | else |
938 | { | |
939 | char buffer[MAX_REGISTER_SIZE]; | |
940 | ||
941 | regid = get_reg_id (regno); | |
e22f895c KI |
942 | send_one_arg_cmd (SDI_READ_CPU_REG, regid); |
943 | val = recv_long_data (); | |
b4b4b794 KI |
944 | |
945 | if (regid == SDI_REG_PSW) | |
946 | { | |
e22f895c KI |
947 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BBPSW); |
948 | val2 = recv_long_data (); | |
3e41d55f | 949 | val = ((0x00cf & val2) << 8) | ((0xcf00 & val) >> 8); |
b4b4b794 KI |
950 | } |
951 | ||
952 | if (remote_debug) | |
953 | fprintf_unfiltered (gdb_stdlog, "m32r_fetch_register(%d,0x%08lx)\n", | |
954 | regno, val); | |
955 | ||
956 | /* We got the number the register holds, but gdb expects to see a | |
957 | value in the target byte ordering. */ | |
958 | store_unsigned_integer (buffer, 4, val); | |
56be3814 | 959 | regcache_raw_supply (regcache, regno, buffer); |
b4b4b794 KI |
960 | } |
961 | return; | |
962 | } | |
963 | ||
964 | /* Store the remote registers from the contents of the block REGS. */ | |
965 | ||
56be3814 | 966 | static void m32r_store_register (struct regcache *, int); |
b4b4b794 KI |
967 | |
968 | static void | |
56be3814 | 969 | m32r_store_registers (struct regcache *regcache) |
b4b4b794 KI |
970 | { |
971 | int regno; | |
972 | ||
40a6adc1 MD |
973 | for (regno = 0; |
974 | regno < gdbarch_num_regs (get_regcache_arch (regcache)); | |
975 | regno++) | |
56be3814 | 976 | m32r_store_register (regcache, regno); |
b4b4b794 KI |
977 | |
978 | registers_changed (); | |
979 | } | |
980 | ||
981 | /* Store register REGNO, or all if REGNO == 0. | |
982 | Return errno value. */ | |
983 | static void | |
56be3814 | 984 | m32r_store_register (struct regcache *regcache, int regno) |
b4b4b794 KI |
985 | { |
986 | int regid; | |
987 | ULONGEST regval, tmp; | |
b4b4b794 KI |
988 | |
989 | if (regno == -1) | |
56be3814 | 990 | m32r_store_registers (regcache); |
b4b4b794 KI |
991 | else |
992 | { | |
56be3814 | 993 | regcache_cooked_read_unsigned (regcache, regno, ®val); |
b4b4b794 KI |
994 | regid = get_reg_id (regno); |
995 | ||
996 | if (regid == SDI_REG_PSW) | |
997 | { | |
998 | unsigned long psw, bbpsw; | |
999 | ||
e22f895c KI |
1000 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_PSW); |
1001 | psw = recv_long_data (); | |
b4b4b794 | 1002 | |
e22f895c KI |
1003 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BBPSW); |
1004 | bbpsw = recv_long_data (); | |
b4b4b794 | 1005 | |
3e41d55f | 1006 | tmp = (0x00cf & psw) | ((0x00cf & regval) << 8); |
e22f895c | 1007 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PSW, tmp); |
b4b4b794 | 1008 | |
3e41d55f | 1009 | tmp = (0x0030 & bbpsw) | ((0xcf00 & regval) >> 8); |
e22f895c | 1010 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BBPSW, tmp); |
b4b4b794 KI |
1011 | } |
1012 | else | |
1013 | { | |
e22f895c | 1014 | send_two_arg_cmd (SDI_WRITE_CPU_REG, regid, regval); |
b4b4b794 KI |
1015 | } |
1016 | ||
1017 | if (remote_debug) | |
1018 | fprintf_unfiltered (gdb_stdlog, "m32r_store_register(%d,0x%08lu)\n", | |
1019 | regno, (unsigned long) regval); | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | /* Get ready to modify the registers array. On machines which store | |
1024 | individual registers, this doesn't need to do anything. On machines | |
1025 | which store all the registers in one fell swoop, this makes sure | |
1026 | that registers contains all the registers from the program being | |
1027 | debugged. */ | |
1028 | ||
1029 | static void | |
316f2060 | 1030 | m32r_prepare_to_store (struct regcache *regcache) |
b4b4b794 KI |
1031 | { |
1032 | /* Do nothing, since we can store individual regs */ | |
1033 | if (remote_debug) | |
1034 | fprintf_unfiltered (gdb_stdlog, "m32r_prepare_to_store()\n"); | |
1035 | } | |
1036 | ||
1037 | static void | |
1038 | m32r_files_info (struct target_ops *target) | |
1039 | { | |
1040 | char *file = "nothing"; | |
1041 | ||
1042 | if (exec_bfd) | |
1043 | { | |
1044 | file = bfd_get_filename (exec_bfd); | |
1045 | printf_filtered ("\tAttached to %s running program %s\n", | |
1046 | chip_name, file); | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | /* Read/Write memory. */ | |
1051 | static int | |
16ac4ab5 | 1052 | m32r_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, |
b4b4b794 KI |
1053 | int write, |
1054 | struct mem_attrib *attrib, struct target_ops *target) | |
1055 | { | |
1056 | unsigned long taddr; | |
1057 | unsigned char buf[0x2000]; | |
1058 | int ret, c; | |
1059 | ||
1060 | taddr = memaddr; | |
1061 | ||
1062 | if (!mmu_on) | |
1063 | { | |
1064 | if ((taddr & 0xa0000000) == 0x80000000) | |
1065 | taddr &= 0x7fffffff; | |
1066 | } | |
1067 | ||
1068 | if (remote_debug) | |
1069 | { | |
1070 | if (write) | |
ec20a626 UW |
1071 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory(%s,%d,write)\n", |
1072 | paddr (memaddr), len); | |
b4b4b794 | 1073 | else |
ec20a626 UW |
1074 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory(%s,%d,read)\n", |
1075 | paddr (memaddr), len); | |
b4b4b794 KI |
1076 | } |
1077 | ||
1078 | if (write) | |
1079 | { | |
1080 | buf[0] = SDI_WRITE_MEMORY; | |
1081 | store_long_parameter (buf + 1, taddr); | |
1082 | store_long_parameter (buf + 5, len); | |
1083 | if (len < 0x1000) | |
1084 | { | |
1085 | memcpy (buf + 9, myaddr, len); | |
1086 | ret = send_data (buf, len + 9) - 9; | |
1087 | } | |
1088 | else | |
1089 | { | |
1090 | if (serial_write (sdi_desc, buf, 9) != 0) | |
1091 | { | |
1092 | if (remote_debug) | |
1093 | fprintf_unfiltered (gdb_stdlog, | |
1094 | "m32r_xfer_memory() failed\n"); | |
1095 | return 0; | |
1096 | } | |
1097 | ret = send_data (myaddr, len); | |
1098 | } | |
1099 | } | |
1100 | else | |
1101 | { | |
1102 | buf[0] = SDI_READ_MEMORY; | |
1103 | store_long_parameter (buf + 1, taddr); | |
1104 | store_long_parameter (buf + 5, len); | |
1105 | if (serial_write (sdi_desc, buf, 9) != 0) | |
1106 | { | |
1107 | if (remote_debug) | |
1108 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() failed\n"); | |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
1113 | if (c < 0 || c == '-') | |
1114 | { | |
1115 | if (remote_debug) | |
1116 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() failed\n"); | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | ret = recv_data (myaddr, len); | |
1121 | } | |
1122 | ||
1123 | if (ret <= 0) | |
1124 | { | |
1125 | if (remote_debug) | |
1126 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() fails\n"); | |
1127 | return 0; | |
1128 | } | |
1129 | ||
1130 | return ret; | |
1131 | } | |
1132 | ||
1133 | static void | |
1134 | m32r_kill (void) | |
1135 | { | |
1136 | if (remote_debug) | |
1137 | fprintf_unfiltered (gdb_stdlog, "m32r_kill()\n"); | |
1138 | ||
1139 | inferior_ptid = null_ptid; | |
e5ef4d75 | 1140 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
1141 | |
1142 | return; | |
1143 | } | |
1144 | ||
1145 | /* Clean up when a program exits. | |
1146 | ||
1147 | The program actually lives on in the remote processor's RAM, and may be | |
1148 | run again without a download. Don't leave it full of breakpoint | |
1149 | instructions. */ | |
1150 | ||
1151 | static void | |
136d6dae | 1152 | m32r_mourn_inferior (struct target_ops *ops) |
b4b4b794 KI |
1153 | { |
1154 | if (remote_debug) | |
1155 | fprintf_unfiltered (gdb_stdlog, "m32r_mourn_inferior()\n"); | |
1156 | ||
1157 | remove_breakpoints (); | |
1158 | generic_mourn_inferior (); | |
1159 | } | |
1160 | ||
1161 | static int | |
8181d85f | 1162 | m32r_insert_breakpoint (struct bp_target_info *bp_tgt) |
b4b4b794 | 1163 | { |
8181d85f | 1164 | CORE_ADDR addr = bp_tgt->placed_address; |
b4b4b794 KI |
1165 | int ib_breakpoints; |
1166 | unsigned char buf[13]; | |
1167 | int i, c; | |
1168 | ||
1169 | if (remote_debug) | |
ec20a626 UW |
1170 | fprintf_unfiltered (gdb_stdlog, "m32r_insert_breakpoint(%s,...)\n", |
1171 | paddr (addr)); | |
b4b4b794 KI |
1172 | |
1173 | if (use_ib_breakpoints) | |
1174 | ib_breakpoints = max_ib_breakpoints; | |
1175 | else | |
1176 | ib_breakpoints = 0; | |
1177 | ||
1178 | for (i = 0; i < MAX_BREAKPOINTS; i++) | |
1179 | { | |
1180 | if (bp_address[i] == 0xffffffff) | |
1181 | { | |
1182 | bp_address[i] = addr; | |
1183 | if (i >= ib_breakpoints) | |
1184 | { | |
1185 | buf[0] = SDI_READ_MEMORY; | |
1186 | if (mmu_on) | |
1187 | store_long_parameter (buf + 1, addr & 0xfffffffc); | |
1188 | else | |
1189 | store_long_parameter (buf + 1, addr & 0x7ffffffc); | |
1190 | store_long_parameter (buf + 5, 4); | |
1191 | serial_write (sdi_desc, buf, 9); | |
1192 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
1193 | if (c != '-') | |
1194 | recv_data (bp_data[i], 4); | |
1195 | } | |
1196 | return 0; | |
1197 | } | |
1198 | } | |
1199 | ||
8a3fe4f8 | 1200 | error (_("Too many breakpoints")); |
b4b4b794 KI |
1201 | return 1; |
1202 | } | |
1203 | ||
1204 | static int | |
8181d85f | 1205 | m32r_remove_breakpoint (struct bp_target_info *bp_tgt) |
b4b4b794 | 1206 | { |
8181d85f | 1207 | CORE_ADDR addr = bp_tgt->placed_address; |
b4b4b794 KI |
1208 | int i; |
1209 | ||
1210 | if (remote_debug) | |
ec20a626 UW |
1211 | fprintf_unfiltered (gdb_stdlog, "m32r_remove_breakpoint(%s)\n", |
1212 | paddr (addr)); | |
b4b4b794 KI |
1213 | |
1214 | for (i = 0; i < MAX_BREAKPOINTS; i++) | |
1215 | { | |
1216 | if (bp_address[i] == addr) | |
1217 | { | |
1218 | bp_address[i] = 0xffffffff; | |
1219 | break; | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | static void | |
1227 | m32r_load (char *args, int from_tty) | |
1228 | { | |
1229 | struct cleanup *old_chain; | |
1230 | asection *section; | |
1231 | bfd *pbfd; | |
1232 | bfd_vma entry; | |
1233 | char *filename; | |
1234 | int quiet; | |
1235 | int nostart; | |
2b71414d | 1236 | struct timeval start_time, end_time; |
b4b4b794 KI |
1237 | unsigned long data_count; /* Number of bytes transferred to memory */ |
1238 | int ret; | |
1239 | static RETSIGTYPE (*prev_sigint) (); | |
1240 | ||
1241 | /* for direct tcp connections, we can do a fast binary download */ | |
1242 | quiet = 0; | |
1243 | nostart = 0; | |
1244 | filename = NULL; | |
1245 | ||
1246 | while (*args != '\000') | |
1247 | { | |
1248 | char *arg; | |
1249 | ||
1250 | while (isspace (*args)) | |
1251 | args++; | |
1252 | ||
1253 | arg = args; | |
1254 | ||
1255 | while ((*args != '\000') && !isspace (*args)) | |
1256 | args++; | |
1257 | ||
1258 | if (*args != '\000') | |
1259 | *args++ = '\000'; | |
1260 | ||
1261 | if (*arg != '-') | |
1262 | filename = arg; | |
1263 | else if (strncmp (arg, "-quiet", strlen (arg)) == 0) | |
1264 | quiet = 1; | |
1265 | else if (strncmp (arg, "-nostart", strlen (arg)) == 0) | |
1266 | nostart = 1; | |
1267 | else | |
8a3fe4f8 | 1268 | error (_("Unknown option `%s'"), arg); |
b4b4b794 KI |
1269 | } |
1270 | ||
1271 | if (!filename) | |
1272 | filename = get_exec_file (1); | |
1273 | ||
1274 | pbfd = bfd_openr (filename, gnutarget); | |
1275 | if (pbfd == NULL) | |
1276 | { | |
1277 | perror_with_name (filename); | |
1278 | return; | |
1279 | } | |
1280 | old_chain = make_cleanup_bfd_close (pbfd); | |
1281 | ||
1282 | if (!bfd_check_format (pbfd, bfd_object)) | |
8a3fe4f8 | 1283 | error (_("\"%s\" is not an object file: %s"), filename, |
b4b4b794 KI |
1284 | bfd_errmsg (bfd_get_error ())); |
1285 | ||
2b71414d | 1286 | gettimeofday (&start_time, NULL); |
b4b4b794 KI |
1287 | data_count = 0; |
1288 | ||
1289 | interrupted = 0; | |
1290 | prev_sigint = signal (SIGINT, gdb_cntrl_c); | |
1291 | ||
1292 | for (section = pbfd->sections; section; section = section->next) | |
1293 | { | |
1294 | if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) | |
1295 | { | |
1296 | bfd_vma section_address; | |
1297 | bfd_size_type section_size; | |
1298 | file_ptr fptr; | |
1299 | int n; | |
1300 | ||
1301 | section_address = bfd_section_lma (pbfd, section); | |
2c500098 | 1302 | section_size = bfd_get_section_size (section); |
b4b4b794 KI |
1303 | |
1304 | if (!mmu_on) | |
1305 | { | |
1306 | if ((section_address & 0xa0000000) == 0x80000000) | |
1307 | section_address &= 0x7fffffff; | |
1308 | } | |
1309 | ||
1310 | if (!quiet) | |
1311 | printf_filtered ("[Loading section %s at 0x%lx (%d bytes)]\n", | |
1312 | bfd_get_section_name (pbfd, section), | |
ec20a626 UW |
1313 | (unsigned long) section_address, |
1314 | (int) section_size); | |
b4b4b794 KI |
1315 | |
1316 | fptr = 0; | |
1317 | ||
1318 | data_count += section_size; | |
1319 | ||
1320 | n = 0; | |
1321 | while (section_size > 0) | |
1322 | { | |
1323 | char unsigned buf[0x1000 + 9]; | |
1324 | int count; | |
1325 | ||
1326 | count = min (section_size, 0x1000); | |
1327 | ||
1328 | buf[0] = SDI_WRITE_MEMORY; | |
1329 | store_long_parameter (buf + 1, section_address); | |
1330 | store_long_parameter (buf + 5, count); | |
1331 | ||
1332 | bfd_get_section_contents (pbfd, section, buf + 9, fptr, count); | |
1333 | if (send_data (buf, count + 9) <= 0) | |
8a3fe4f8 | 1334 | error (_("Error while downloading %s section."), |
b4b4b794 KI |
1335 | bfd_get_section_name (pbfd, section)); |
1336 | ||
1337 | if (!quiet) | |
1338 | { | |
1339 | printf_unfiltered ("."); | |
1340 | if (n++ > 60) | |
1341 | { | |
1342 | printf_unfiltered ("\n"); | |
1343 | n = 0; | |
1344 | } | |
1345 | gdb_flush (gdb_stdout); | |
1346 | } | |
1347 | ||
1348 | section_address += count; | |
1349 | fptr += count; | |
1350 | section_size -= count; | |
1351 | ||
1352 | if (interrupted) | |
1353 | break; | |
1354 | } | |
1355 | ||
1356 | if (!quiet && !interrupted) | |
1357 | { | |
1358 | printf_unfiltered ("done.\n"); | |
1359 | gdb_flush (gdb_stdout); | |
1360 | } | |
1361 | } | |
1362 | ||
1363 | if (interrupted) | |
1364 | { | |
1365 | printf_unfiltered ("Interrupted.\n"); | |
1366 | break; | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | interrupted = 0; | |
1371 | signal (SIGINT, prev_sigint); | |
1372 | ||
2b71414d | 1373 | gettimeofday (&end_time, NULL); |
b4b4b794 KI |
1374 | |
1375 | /* Make the PC point at the start address */ | |
1376 | if (exec_bfd) | |
1377 | write_pc (bfd_get_start_address (exec_bfd)); | |
1378 | ||
1379 | inferior_ptid = null_ptid; /* No process now */ | |
e5ef4d75 | 1380 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
1381 | |
1382 | /* This is necessary because many things were based on the PC at the time | |
1383 | that we attached to the monitor, which is no longer valid now that we | |
1384 | have loaded new code (and just changed the PC). Another way to do this | |
1385 | might be to call normal_stop, except that the stack may not be valid, | |
1386 | and things would get horribly confused... */ | |
1387 | ||
1388 | clear_symtab_users (); | |
1389 | ||
1390 | if (!nostart) | |
1391 | { | |
1392 | entry = bfd_get_start_address (pbfd); | |
1393 | ||
1394 | if (!quiet) | |
ec20a626 UW |
1395 | printf_unfiltered ("[Starting %s at 0x%lx]\n", filename, |
1396 | (unsigned long) entry); | |
b4b4b794 KI |
1397 | } |
1398 | ||
2b71414d DJ |
1399 | print_transfer_performance (gdb_stdout, data_count, 0, &start_time, |
1400 | &end_time); | |
b4b4b794 KI |
1401 | |
1402 | do_cleanups (old_chain); | |
1403 | } | |
1404 | ||
1405 | static void | |
f9c72d52 | 1406 | m32r_stop (ptid_t ptid) |
b4b4b794 | 1407 | { |
b4b4b794 KI |
1408 | if (remote_debug) |
1409 | fprintf_unfiltered (gdb_stdlog, "m32r_stop()\n"); | |
1410 | ||
e22f895c | 1411 | send_cmd (SDI_STOP_CPU); |
b4b4b794 KI |
1412 | |
1413 | return; | |
1414 | } | |
1415 | ||
1416 | ||
37814c18 KI |
1417 | /* Tell whether this target can support a hardware breakpoint. CNT |
1418 | is the number of hardware breakpoints already installed. This | |
1419 | implements the TARGET_CAN_USE_HARDWARE_WATCHPOINT macro. */ | |
b4b4b794 KI |
1420 | |
1421 | int | |
37814c18 | 1422 | m32r_can_use_hw_watchpoint (int type, int cnt, int othertype) |
b4b4b794 | 1423 | { |
37814c18 | 1424 | return sdi_desc != NULL && cnt < max_access_breaks; |
b4b4b794 KI |
1425 | } |
1426 | ||
1427 | /* Set a data watchpoint. ADDR and LEN should be obvious. TYPE is 0 | |
1428 | for a write watchpoint, 1 for a read watchpoint, or 2 for a read/write | |
1429 | watchpoint. */ | |
1430 | ||
1431 | int | |
37814c18 | 1432 | m32r_insert_watchpoint (CORE_ADDR addr, int len, int type) |
b4b4b794 KI |
1433 | { |
1434 | int i; | |
1435 | ||
1436 | if (remote_debug) | |
ec20a626 UW |
1437 | fprintf_unfiltered (gdb_stdlog, "m32r_insert_watchpoint(%s,%d,%d)\n", |
1438 | paddr (addr), len, type); | |
b4b4b794 KI |
1439 | |
1440 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) | |
1441 | { | |
1442 | if (ab_address[i] == 0x00000000) | |
1443 | { | |
1444 | ab_address[i] = addr; | |
1445 | ab_size[i] = len; | |
1446 | ab_type[i] = type; | |
1447 | return 0; | |
1448 | } | |
1449 | } | |
1450 | ||
8a3fe4f8 | 1451 | error (_("Too many watchpoints")); |
b4b4b794 KI |
1452 | return 1; |
1453 | } | |
1454 | ||
1455 | int | |
1456 | m32r_remove_watchpoint (CORE_ADDR addr, int len, int type) | |
1457 | { | |
1458 | int i; | |
1459 | ||
1460 | if (remote_debug) | |
ec20a626 UW |
1461 | fprintf_unfiltered (gdb_stdlog, "m32r_remove_watchpoint(%s,%d,%d)\n", |
1462 | paddr (addr), len, type); | |
b4b4b794 KI |
1463 | |
1464 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) | |
1465 | { | |
1466 | if (ab_address[i] == addr) | |
1467 | { | |
1468 | ab_address[i] = 0x00000000; | |
1469 | break; | |
1470 | } | |
1471 | } | |
1472 | ||
1473 | return 0; | |
1474 | } | |
1475 | ||
4aa7a7f5 JJ |
1476 | int |
1477 | m32r_stopped_data_address (struct target_ops *target, CORE_ADDR *addr_p) | |
b4b4b794 | 1478 | { |
4aa7a7f5 JJ |
1479 | int rc = 0; |
1480 | if (hit_watchpoint_addr != 0x00000000) | |
1481 | { | |
1482 | *addr_p = hit_watchpoint_addr; | |
1483 | rc = 1; | |
1484 | } | |
1485 | return rc; | |
b4b4b794 KI |
1486 | } |
1487 | ||
1488 | int | |
1489 | m32r_stopped_by_watchpoint (void) | |
1490 | { | |
4aa7a7f5 JJ |
1491 | CORE_ADDR addr; |
1492 | return m32r_stopped_data_address (¤t_target, &addr); | |
b4b4b794 KI |
1493 | } |
1494 | ||
4d6c6261 PA |
1495 | /* Check to see if a thread is still alive. */ |
1496 | ||
1497 | static int | |
1498 | m32r_thread_alive (ptid_t ptid) | |
1499 | { | |
1500 | if (ptid_equal (ptid, remote_m32r_ptid)) | |
1501 | /* The main task is always alive. */ | |
1502 | return 1; | |
1503 | ||
1504 | return 0; | |
1505 | } | |
1506 | ||
1507 | /* Convert a thread ID to a string. Returns the string in a static | |
1508 | buffer. */ | |
1509 | ||
1510 | static char * | |
117de6a9 | 1511 | m32r_pid_to_str (struct target_ops *ops, ptid_t ptid) |
4d6c6261 PA |
1512 | { |
1513 | static char buf[64]; | |
1514 | ||
1515 | if (ptid_equal (remote_m32r_ptid, ptid)) | |
1516 | { | |
1517 | xsnprintf (buf, sizeof buf, "Thread <main>"); | |
1518 | return buf; | |
1519 | } | |
1520 | ||
1521 | return normal_pid_to_str (ptid); | |
1522 | } | |
b4b4b794 KI |
1523 | |
1524 | static void | |
1525 | sdireset_command (char *args, int from_tty) | |
1526 | { | |
b4b4b794 KI |
1527 | if (remote_debug) |
1528 | fprintf_unfiltered (gdb_stdlog, "m32r_sdireset()\n"); | |
1529 | ||
e22f895c | 1530 | send_cmd (SDI_OPEN); |
b4b4b794 KI |
1531 | |
1532 | inferior_ptid = null_ptid; | |
e5ef4d75 | 1533 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
1534 | } |
1535 | ||
1536 | ||
1537 | static void | |
1538 | sdistatus_command (char *args, int from_tty) | |
1539 | { | |
1540 | unsigned char buf[4096]; | |
1541 | int i, c; | |
1542 | ||
1543 | if (remote_debug) | |
1544 | fprintf_unfiltered (gdb_stdlog, "m32r_sdireset()\n"); | |
1545 | ||
1546 | if (!sdi_desc) | |
1547 | return; | |
1548 | ||
e22f895c | 1549 | send_cmd (SDI_STATUS); |
b4b4b794 KI |
1550 | for (i = 0; i < 4096; i++) |
1551 | { | |
1552 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
1553 | if (c < 0) | |
717eb1cf | 1554 | return; |
b4b4b794 KI |
1555 | buf[i] = c; |
1556 | if (c == 0) | |
717eb1cf AC |
1557 | break; |
1558 | } | |
b4b4b794 KI |
1559 | |
1560 | printf_filtered ("%s", buf); | |
1561 | } | |
1562 | ||
1563 | ||
1564 | static void | |
1565 | debug_chaos_command (char *args, int from_tty) | |
1566 | { | |
1567 | unsigned char buf[3]; | |
1568 | ||
1569 | buf[0] = SDI_SET_ATTR; | |
1570 | buf[1] = SDI_ATTR_CACHE; | |
1571 | buf[2] = SDI_CACHE_TYPE_CHAOS; | |
1572 | send_data (buf, 3); | |
1573 | } | |
1574 | ||
1575 | ||
1576 | static void | |
1577 | use_debug_dma_command (char *args, int from_tty) | |
1578 | { | |
1579 | unsigned char buf[3]; | |
1580 | ||
1581 | buf[0] = SDI_SET_ATTR; | |
1582 | buf[1] = SDI_ATTR_MEM_ACCESS; | |
1583 | buf[2] = SDI_MEM_ACCESS_DEBUG_DMA; | |
1584 | send_data (buf, 3); | |
1585 | } | |
1586 | ||
1587 | static void | |
1588 | use_mon_code_command (char *args, int from_tty) | |
1589 | { | |
1590 | unsigned char buf[3]; | |
1591 | ||
1592 | buf[0] = SDI_SET_ATTR; | |
1593 | buf[1] = SDI_ATTR_MEM_ACCESS; | |
1594 | buf[2] = SDI_MEM_ACCESS_MON_CODE; | |
1595 | send_data (buf, 3); | |
1596 | } | |
1597 | ||
1598 | ||
1599 | static void | |
1600 | use_ib_breakpoints_command (char *args, int from_tty) | |
1601 | { | |
1602 | use_ib_breakpoints = 1; | |
1603 | } | |
1604 | ||
1605 | static void | |
1606 | use_dbt_breakpoints_command (char *args, int from_tty) | |
1607 | { | |
1608 | use_ib_breakpoints = 0; | |
1609 | } | |
1610 | ||
1611 | ||
1612 | /* Define the target subroutine names */ | |
1613 | ||
1614 | struct target_ops m32r_ops; | |
1615 | ||
1616 | static void | |
1617 | init_m32r_ops (void) | |
1618 | { | |
1619 | m32r_ops.to_shortname = "m32rsdi"; | |
1620 | m32r_ops.to_longname = "Remote M32R debugging over SDI interface"; | |
1621 | m32r_ops.to_doc = "Use an M32R board using SDI debugging protocol."; | |
1622 | m32r_ops.to_open = m32r_open; | |
1623 | m32r_ops.to_close = m32r_close; | |
1624 | m32r_ops.to_detach = m32r_detach; | |
1625 | m32r_ops.to_resume = m32r_resume; | |
1626 | m32r_ops.to_wait = m32r_wait; | |
1627 | m32r_ops.to_fetch_registers = m32r_fetch_register; | |
1628 | m32r_ops.to_store_registers = m32r_store_register; | |
1629 | m32r_ops.to_prepare_to_store = m32r_prepare_to_store; | |
c8e73a31 | 1630 | m32r_ops.deprecated_xfer_memory = m32r_xfer_memory; |
b4b4b794 KI |
1631 | m32r_ops.to_files_info = m32r_files_info; |
1632 | m32r_ops.to_insert_breakpoint = m32r_insert_breakpoint; | |
1633 | m32r_ops.to_remove_breakpoint = m32r_remove_breakpoint; | |
37814c18 KI |
1634 | m32r_ops.to_can_use_hw_breakpoint = m32r_can_use_hw_watchpoint; |
1635 | m32r_ops.to_insert_watchpoint = m32r_insert_watchpoint; | |
1636 | m32r_ops.to_remove_watchpoint = m32r_remove_watchpoint; | |
1637 | m32r_ops.to_stopped_by_watchpoint = m32r_stopped_by_watchpoint; | |
1638 | m32r_ops.to_stopped_data_address = m32r_stopped_data_address; | |
b4b4b794 KI |
1639 | m32r_ops.to_kill = m32r_kill; |
1640 | m32r_ops.to_load = m32r_load; | |
1641 | m32r_ops.to_create_inferior = m32r_create_inferior; | |
1642 | m32r_ops.to_mourn_inferior = m32r_mourn_inferior; | |
1643 | m32r_ops.to_stop = m32r_stop; | |
49d03eab | 1644 | m32r_ops.to_log_command = serial_log_command; |
4d6c6261 PA |
1645 | m32r_ops.to_thread_alive = m32r_thread_alive; |
1646 | m32r_ops.to_pid_to_str = m32r_pid_to_str; | |
b4b4b794 KI |
1647 | m32r_ops.to_stratum = process_stratum; |
1648 | m32r_ops.to_has_all_memory = 1; | |
1649 | m32r_ops.to_has_memory = 1; | |
1650 | m32r_ops.to_has_stack = 1; | |
1651 | m32r_ops.to_has_registers = 1; | |
1652 | m32r_ops.to_has_execution = 1; | |
1653 | m32r_ops.to_magic = OPS_MAGIC; | |
1654 | }; | |
1655 | ||
1656 | ||
1657 | extern initialize_file_ftype _initialize_remote_m32r; | |
1658 | ||
1659 | void | |
1660 | _initialize_remote_m32r (void) | |
1661 | { | |
1662 | int i; | |
1663 | ||
1664 | init_m32r_ops (); | |
1665 | ||
1666 | /* Initialize breakpoints. */ | |
1667 | for (i = 0; i < MAX_BREAKPOINTS; i++) | |
1668 | bp_address[i] = 0xffffffff; | |
1669 | ||
1670 | /* Initialize access breaks. */ | |
1671 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) | |
1672 | ab_address[i] = 0x00000000; | |
1673 | ||
1674 | add_target (&m32r_ops); | |
1675 | ||
1676 | add_com ("sdireset", class_obscure, sdireset_command, | |
1bedd215 | 1677 | _("Reset SDI connection.")); |
b4b4b794 KI |
1678 | |
1679 | add_com ("sdistatus", class_obscure, sdistatus_command, | |
1bedd215 | 1680 | _("Show status of SDI connection.")); |
b4b4b794 KI |
1681 | |
1682 | add_com ("debug_chaos", class_obscure, debug_chaos_command, | |
1bedd215 | 1683 | _("Debug M32R/Chaos.")); |
b4b4b794 KI |
1684 | |
1685 | add_com ("use_debug_dma", class_obscure, use_debug_dma_command, | |
1bedd215 | 1686 | _("Use debug DMA mem access.")); |
b4b4b794 | 1687 | add_com ("use_mon_code", class_obscure, use_mon_code_command, |
1bedd215 | 1688 | _("Use mon code mem access.")); |
b4b4b794 KI |
1689 | |
1690 | add_com ("use_ib_break", class_obscure, use_ib_breakpoints_command, | |
1bedd215 | 1691 | _("Set breakpoints by IB break.")); |
b4b4b794 | 1692 | add_com ("use_dbt_break", class_obscure, use_dbt_breakpoints_command, |
1bedd215 | 1693 | _("Set breakpoints by dbt.")); |
e5ef4d75 PA |
1694 | |
1695 | /* Yes, 42000 is arbitrary. The only sense out of it, is that it | |
1696 | isn't 0. */ | |
1697 | remote_m32r_ptid = ptid_build (42000, 0, 42000); | |
b4b4b794 | 1698 | } |