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