Commit | Line | Data |
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b4b4b794 KI |
1 | /* Remote debugging interface for M32R/SDI. |
2 | ||
0b302171 | 3 | Copyright (C) 2003-2012 Free Software Foundation, Inc. |
b4b4b794 KI |
4 | |
5 | Contributed by Renesas Technology Co. | |
6 | Written by Kei Sakamoto <sakamoto.kei@renesas.com>. | |
7 | ||
8 | This file is part of GDB. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
b4b4b794 KI |
13 | (at your option) any later version. |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
b4b4b794 KI |
22 | |
23 | #include "defs.h" | |
24 | #include "gdbcmd.h" | |
25 | #include "gdbcore.h" | |
26 | #include "inferior.h" | |
27 | #include "target.h" | |
28 | #include "regcache.h" | |
29 | #include "gdb_string.h" | |
e5ef4d75 | 30 | #include "gdbthread.h" |
b4b4b794 KI |
31 | #include <ctype.h> |
32 | #include <signal.h> | |
cbba9205 | 33 | #ifdef __MINGW32__ |
b467f580 | 34 | #include <winsock2.h> |
cbba9205 | 35 | #else |
b4b4b794 | 36 | #include <netinet/in.h> |
cbba9205 | 37 | #endif |
b4b4b794 KI |
38 | #include <sys/types.h> |
39 | #include <sys/time.h> | |
40 | #include <signal.h> | |
41 | #include <time.h> | |
42 | ||
43 | ||
44 | #include "serial.h" | |
45 | ||
46 | /* Descriptor for I/O to remote machine. */ | |
47 | ||
48 | static struct serial *sdi_desc = NULL; | |
49 | ||
50 | #define SDI_TIMEOUT 30 | |
51 | ||
52 | ||
53 | #define SDIPORT 3232 | |
54 | ||
55 | static char chip_name[64]; | |
56 | ||
57 | static int step_mode; | |
58 | static unsigned long last_pc_addr = 0xffffffff; | |
59 | static unsigned char last_pc_addr_data[2]; | |
60 | ||
61 | static int mmu_on = 0; | |
62 | ||
63 | static int use_ib_breakpoints = 1; | |
64 | ||
65 | #define MAX_BREAKPOINTS 1024 | |
66 | static int max_ib_breakpoints; | |
67 | static unsigned long bp_address[MAX_BREAKPOINTS]; | |
68 | static unsigned char bp_data[MAX_BREAKPOINTS][4]; | |
b4b4b794 KI |
69 | |
70 | /* dbt -> nop */ | |
71 | static const unsigned char dbt_bp_entry[] = { | |
72 | 0x10, 0xe0, 0x70, 0x00 | |
73 | }; | |
74 | ||
75 | #define MAX_ACCESS_BREAKS 4 | |
76 | static int max_access_breaks; | |
77 | static unsigned long ab_address[MAX_ACCESS_BREAKS]; | |
78 | static unsigned int ab_type[MAX_ACCESS_BREAKS]; | |
79 | static unsigned int ab_size[MAX_ACCESS_BREAKS]; | |
80 | static CORE_ADDR hit_watchpoint_addr = 0; | |
81 | ||
82 | static int interrupted = 0; | |
83 | ||
84 | /* Forward data declarations */ | |
85 | extern struct target_ops m32r_ops; | |
86 | ||
e5ef4d75 PA |
87 | /* This is the ptid we use while we're connected to the remote. Its |
88 | value is arbitrary, as the target doesn't have a notion of | |
89 | processes or threads, but we need something non-null to place in | |
90 | inferior_ptid. */ | |
91 | static ptid_t remote_m32r_ptid; | |
b4b4b794 KI |
92 | |
93 | /* Commands */ | |
94 | #define SDI_OPEN 1 | |
95 | #define SDI_CLOSE 2 | |
96 | #define SDI_RELEASE 3 | |
97 | #define SDI_READ_CPU_REG 4 | |
98 | #define SDI_WRITE_CPU_REG 5 | |
99 | #define SDI_READ_MEMORY 6 | |
100 | #define SDI_WRITE_MEMORY 7 | |
101 | #define SDI_EXEC_CPU 8 | |
102 | #define SDI_STOP_CPU 9 | |
103 | #define SDI_WAIT_FOR_READY 10 | |
104 | #define SDI_GET_ATTR 11 | |
105 | #define SDI_SET_ATTR 12 | |
106 | #define SDI_STATUS 13 | |
107 | ||
108 | /* Attributes */ | |
109 | #define SDI_ATTR_NAME 1 | |
110 | #define SDI_ATTR_BRK 2 | |
111 | #define SDI_ATTR_ABRK 3 | |
112 | #define SDI_ATTR_CACHE 4 | |
113 | #define SDI_CACHE_TYPE_M32102 0 | |
114 | #define SDI_CACHE_TYPE_CHAOS 1 | |
115 | #define SDI_ATTR_MEM_ACCESS 5 | |
116 | #define SDI_MEM_ACCESS_DEBUG_DMA 0 | |
117 | #define SDI_MEM_ACCESS_MON_CODE 1 | |
118 | ||
119 | /* Registers */ | |
120 | #define SDI_REG_R0 0 | |
121 | #define SDI_REG_R1 1 | |
122 | #define SDI_REG_R2 2 | |
123 | #define SDI_REG_R3 3 | |
124 | #define SDI_REG_R4 4 | |
125 | #define SDI_REG_R5 5 | |
126 | #define SDI_REG_R6 6 | |
127 | #define SDI_REG_R7 7 | |
128 | #define SDI_REG_R8 8 | |
129 | #define SDI_REG_R9 9 | |
130 | #define SDI_REG_R10 10 | |
131 | #define SDI_REG_R11 11 | |
132 | #define SDI_REG_R12 12 | |
133 | #define SDI_REG_FP 13 | |
134 | #define SDI_REG_LR 14 | |
135 | #define SDI_REG_SP 15 | |
136 | #define SDI_REG_PSW 16 | |
137 | #define SDI_REG_CBR 17 | |
138 | #define SDI_REG_SPI 18 | |
139 | #define SDI_REG_SPU 19 | |
140 | #define SDI_REG_CR4 20 | |
141 | #define SDI_REG_EVB 21 | |
142 | #define SDI_REG_BPC 22 | |
143 | #define SDI_REG_CR7 23 | |
144 | #define SDI_REG_BBPSW 24 | |
145 | #define SDI_REG_CR9 25 | |
146 | #define SDI_REG_CR10 26 | |
147 | #define SDI_REG_CR11 27 | |
148 | #define SDI_REG_CR12 28 | |
149 | #define SDI_REG_WR 29 | |
150 | #define SDI_REG_BBPC 30 | |
151 | #define SDI_REG_PBP 31 | |
152 | #define SDI_REG_ACCH 32 | |
153 | #define SDI_REG_ACCL 33 | |
154 | #define SDI_REG_ACC1H 34 | |
155 | #define SDI_REG_ACC1L 35 | |
156 | ||
157 | ||
0df8b418 | 158 | /* Low level communication functions. */ |
b4b4b794 | 159 | |
0df8b418 | 160 | /* Check an ack packet from the target. */ |
b4b4b794 KI |
161 | static int |
162 | get_ack (void) | |
163 | { | |
164 | int c; | |
165 | ||
717eb1cf | 166 | if (!sdi_desc) |
b4b4b794 KI |
167 | return -1; |
168 | ||
169 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
170 | ||
171 | if (c < 0) | |
172 | return -1; | |
173 | ||
717eb1cf | 174 | if (c != '+') /* error */ |
b4b4b794 KI |
175 | return -1; |
176 | ||
177 | return 0; | |
178 | } | |
179 | ||
0df8b418 | 180 | /* Send data to the target and check an ack packet. */ |
b4b4b794 KI |
181 | static int |
182 | send_data (void *buf, int len) | |
183 | { | |
184 | int ret; | |
185 | ||
717eb1cf | 186 | if (!sdi_desc) |
b4b4b794 KI |
187 | return -1; |
188 | ||
189 | if (serial_write (sdi_desc, buf, len) != 0) | |
190 | return -1; | |
191 | ||
192 | if (get_ack () == -1) | |
193 | return -1; | |
194 | ||
195 | return len; | |
196 | } | |
197 | ||
0df8b418 | 198 | /* Receive data from the target. */ |
b4b4b794 KI |
199 | static int |
200 | recv_data (void *buf, int len) | |
201 | { | |
202 | int total = 0; | |
203 | int c; | |
204 | ||
717eb1cf | 205 | if (!sdi_desc) |
b4b4b794 KI |
206 | return -1; |
207 | ||
208 | while (total < len) | |
209 | { | |
210 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
211 | ||
212 | if (c < 0) | |
213 | return -1; | |
214 | ||
215 | ((unsigned char *) buf)[total++] = c; | |
216 | } | |
217 | ||
218 | return len; | |
219 | } | |
220 | ||
0df8b418 | 221 | /* Store unsigned long parameter on packet. */ |
b4b4b794 KI |
222 | static void |
223 | store_long_parameter (void *buf, long val) | |
224 | { | |
225 | val = htonl (val); | |
226 | memcpy (buf, &val, 4); | |
227 | } | |
228 | ||
e22f895c KI |
229 | static int |
230 | send_cmd (unsigned char cmd) | |
231 | { | |
232 | unsigned char buf[1]; | |
123f5f96 | 233 | |
e22f895c KI |
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]; | |
123f5f96 | 242 | |
e22f895c KI |
243 | buf[0] = cmd; |
244 | buf[1] = arg1; | |
245 | return send_data (buf, 2); | |
246 | } | |
247 | ||
248 | static int | |
249 | send_two_arg_cmd (unsigned char cmd, unsigned char arg1, unsigned long arg2) | |
250 | { | |
251 | unsigned char buf[6]; | |
123f5f96 | 252 | |
e22f895c KI |
253 | buf[0] = cmd; |
254 | buf[1] = arg1; | |
255 | store_long_parameter (buf + 2, arg2); | |
256 | return send_data (buf, 6); | |
257 | } | |
258 | ||
259 | static int | |
260 | send_three_arg_cmd (unsigned char cmd, unsigned long arg1, unsigned long arg2, | |
261 | unsigned long arg3) | |
262 | { | |
263 | unsigned char buf[13]; | |
123f5f96 | 264 | |
e22f895c KI |
265 | buf[0] = cmd; |
266 | store_long_parameter (buf + 1, arg1); | |
267 | store_long_parameter (buf + 5, arg2); | |
268 | store_long_parameter (buf + 9, arg3); | |
269 | return send_data (buf, 13); | |
270 | } | |
271 | ||
272 | static unsigned char | |
273 | recv_char_data (void) | |
274 | { | |
275 | unsigned char val; | |
123f5f96 | 276 | |
e22f895c KI |
277 | recv_data (&val, 1); |
278 | return val; | |
279 | } | |
280 | ||
281 | static unsigned long | |
282 | recv_long_data (void) | |
283 | { | |
284 | unsigned long val; | |
123f5f96 | 285 | |
e22f895c KI |
286 | recv_data (&val, 4); |
287 | return ntohl (val); | |
288 | } | |
289 | ||
290 | ||
0df8b418 | 291 | /* Check if MMU is on. */ |
b4b4b794 KI |
292 | static void |
293 | check_mmu_status (void) | |
294 | { | |
295 | unsigned long val; | |
b4b4b794 | 296 | |
0df8b418 | 297 | /* Read PC address. */ |
e22f895c | 298 | if (send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BPC) == -1) |
b4b4b794 | 299 | return; |
e22f895c | 300 | val = recv_long_data (); |
b4b4b794 KI |
301 | if ((val & 0xc0000000) == 0x80000000) |
302 | { | |
303 | mmu_on = 1; | |
304 | return; | |
305 | } | |
306 | ||
0df8b418 | 307 | /* Read EVB address. */ |
e22f895c | 308 | if (send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_EVB) == -1) |
b4b4b794 | 309 | return; |
e22f895c | 310 | val = recv_long_data (); |
b4b4b794 KI |
311 | if ((val & 0xc0000000) == 0x80000000) |
312 | { | |
313 | mmu_on = 1; | |
314 | return; | |
315 | } | |
316 | ||
317 | mmu_on = 0; | |
318 | } | |
319 | ||
320 | ||
321 | /* This is called not only when we first attach, but also when the | |
322 | user types "run" after having attached. */ | |
323 | static void | |
136d6dae VP |
324 | m32r_create_inferior (struct target_ops *ops, char *execfile, |
325 | char *args, char **env, int from_tty) | |
b4b4b794 KI |
326 | { |
327 | CORE_ADDR entry_pt; | |
328 | ||
329 | if (args && *args) | |
8a3fe4f8 | 330 | error (_("Cannot pass arguments to remote STDEBUG process")); |
b4b4b794 KI |
331 | |
332 | if (execfile == 0 || exec_bfd == 0) | |
8a3fe4f8 | 333 | error (_("No executable file specified")); |
b4b4b794 KI |
334 | |
335 | if (remote_debug) | |
336 | fprintf_unfiltered (gdb_stdlog, "m32r_create_inferior(%s,%s)\n", execfile, | |
337 | args); | |
338 | ||
339 | entry_pt = bfd_get_start_address (exec_bfd); | |
340 | ||
341 | /* The "process" (board) is already stopped awaiting our commands, and | |
342 | the program is already downloaded. We just set its PC and go. */ | |
343 | ||
344 | clear_proceed_status (); | |
345 | ||
346 | /* Tell wait_for_inferior that we've started a new process. */ | |
347 | init_wait_for_inferior (); | |
348 | ||
349 | /* Set up the "saved terminal modes" of the inferior | |
350 | based on what modes we are starting it with. */ | |
351 | target_terminal_init (); | |
352 | ||
353 | /* Install inferior's terminal modes. */ | |
354 | target_terminal_inferior (); | |
355 | ||
fb14de7b | 356 | regcache_write_pc (get_current_regcache (), entry_pt); |
b4b4b794 KI |
357 | } |
358 | ||
359 | /* Open a connection to a remote debugger. | |
360 | NAME is the filename used for communication. */ | |
361 | ||
362 | static void | |
363 | m32r_open (char *args, int from_tty) | |
364 | { | |
365 | struct hostent *host_ent; | |
366 | struct sockaddr_in server_addr; | |
367 | char *port_str, hostname[256]; | |
368 | int port; | |
b4b4b794 KI |
369 | int i, n; |
370 | int yes = 1; | |
371 | ||
372 | if (remote_debug) | |
373 | fprintf_unfiltered (gdb_stdlog, "m32r_open(%d)\n", from_tty); | |
374 | ||
375 | target_preopen (from_tty); | |
376 | ||
377 | push_target (&m32r_ops); | |
378 | ||
379 | if (args == NULL) | |
380 | sprintf (hostname, "localhost:%d", SDIPORT); | |
381 | else | |
382 | { | |
383 | port_str = strchr (args, ':'); | |
384 | if (port_str == NULL) | |
717eb1cf | 385 | sprintf (hostname, "%s:%d", args, SDIPORT); |
b4b4b794 KI |
386 | else |
387 | strcpy (hostname, args); | |
388 | } | |
389 | ||
390 | sdi_desc = serial_open (hostname); | |
391 | if (!sdi_desc) | |
8a3fe4f8 | 392 | error (_("Connection refused.")); |
b4b4b794 KI |
393 | |
394 | if (get_ack () == -1) | |
8a3fe4f8 | 395 | error (_("Cannot connect to SDI target.")); |
b4b4b794 | 396 | |
e22f895c | 397 | if (send_cmd (SDI_OPEN) == -1) |
8a3fe4f8 | 398 | error (_("Cannot connect to SDI target.")); |
b4b4b794 | 399 | |
0df8b418 | 400 | /* Get maximum number of ib breakpoints. */ |
e22f895c KI |
401 | send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_BRK); |
402 | max_ib_breakpoints = recv_char_data (); | |
b4b4b794 KI |
403 | if (remote_debug) |
404 | printf_filtered ("Max IB Breakpoints = %d\n", max_ib_breakpoints); | |
405 | ||
0df8b418 | 406 | /* Initialize breakpoints. */ |
b4b4b794 KI |
407 | for (i = 0; i < MAX_BREAKPOINTS; i++) |
408 | bp_address[i] = 0xffffffff; | |
409 | ||
0df8b418 | 410 | /* Get maximum number of access breaks. */ |
e22f895c KI |
411 | send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_ABRK); |
412 | max_access_breaks = recv_char_data (); | |
b4b4b794 KI |
413 | if (remote_debug) |
414 | printf_filtered ("Max Access Breaks = %d\n", max_access_breaks); | |
415 | ||
0df8b418 | 416 | /* Initialize access breask. */ |
b4b4b794 KI |
417 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) |
418 | ab_address[i] = 0x00000000; | |
419 | ||
420 | check_mmu_status (); | |
421 | ||
0df8b418 | 422 | /* Get the name of chip on target board. */ |
e22f895c | 423 | send_one_arg_cmd (SDI_GET_ATTR, SDI_ATTR_NAME); |
b4b4b794 KI |
424 | recv_data (chip_name, 64); |
425 | ||
426 | if (from_tty) | |
427 | printf_filtered ("Remote %s connected to %s\n", target_shortname, | |
428 | chip_name); | |
429 | } | |
430 | ||
0df8b418 | 431 | /* Close out all files and local state before this target loses control. */ |
b4b4b794 KI |
432 | |
433 | static void | |
434 | m32r_close (int quitting) | |
435 | { | |
b4b4b794 KI |
436 | if (remote_debug) |
437 | fprintf_unfiltered (gdb_stdlog, "m32r_close(%d)\n", quitting); | |
438 | ||
439 | if (sdi_desc) | |
440 | { | |
e22f895c | 441 | send_cmd (SDI_CLOSE); |
b4b4b794 KI |
442 | serial_close (sdi_desc); |
443 | sdi_desc = NULL; | |
444 | } | |
445 | ||
446 | inferior_ptid = null_ptid; | |
e5ef4d75 | 447 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
448 | return; |
449 | } | |
450 | ||
451 | /* Tell the remote machine to resume. */ | |
452 | ||
453 | static void | |
28439f5e PA |
454 | m32r_resume (struct target_ops *ops, |
455 | ptid_t ptid, int step, enum target_signal sig) | |
b4b4b794 KI |
456 | { |
457 | unsigned long pc_addr, bp_addr, ab_addr; | |
e22f895c | 458 | int ib_breakpoints; |
b4b4b794 KI |
459 | unsigned char buf[13]; |
460 | int i; | |
461 | ||
462 | if (remote_debug) | |
463 | { | |
464 | if (step) | |
465 | fprintf_unfiltered (gdb_stdlog, "\nm32r_resume(step)\n"); | |
466 | else | |
467 | fprintf_unfiltered (gdb_stdlog, "\nm32r_resume(cont)\n"); | |
468 | } | |
469 | ||
470 | check_mmu_status (); | |
471 | ||
fb14de7b | 472 | pc_addr = regcache_read_pc (get_current_regcache ()); |
b4b4b794 KI |
473 | if (remote_debug) |
474 | fprintf_unfiltered (gdb_stdlog, "pc <= 0x%lx\n", pc_addr); | |
475 | ||
476 | /* At pc address there is a parallel instruction with +2 offset, | |
0df8b418 | 477 | so we have to make it a serial instruction or avoid it. */ |
b4b4b794 KI |
478 | if (pc_addr == last_pc_addr) |
479 | { | |
0df8b418 | 480 | /* Avoid a parallel nop. */ |
b4b4b794 KI |
481 | if (last_pc_addr_data[0] == 0xf0 && last_pc_addr_data[1] == 0x00) |
482 | { | |
483 | pc_addr += 2; | |
0df8b418 | 484 | /* Now we can forget this instruction. */ |
b4b4b794 KI |
485 | last_pc_addr = 0xffffffff; |
486 | } | |
0df8b418 | 487 | /* Clear a parallel bit. */ |
b4b4b794 KI |
488 | else |
489 | { | |
490 | buf[0] = SDI_WRITE_MEMORY; | |
1cf3db46 | 491 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 KI |
492 | store_long_parameter (buf + 1, pc_addr); |
493 | else | |
494 | store_long_parameter (buf + 1, pc_addr - 1); | |
495 | store_long_parameter (buf + 5, 1); | |
496 | buf[9] = last_pc_addr_data[0] & 0x7f; | |
497 | send_data (buf, 10); | |
498 | } | |
499 | } | |
500 | ||
0df8b418 | 501 | /* Set PC. */ |
e22f895c | 502 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BPC, pc_addr); |
b4b4b794 | 503 | |
0df8b418 | 504 | /* step mode. */ |
b4b4b794 KI |
505 | step_mode = step; |
506 | if (step) | |
507 | { | |
0df8b418 | 508 | /* Set PBP. */ |
e22f895c | 509 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PBP, pc_addr | 1); |
b4b4b794 KI |
510 | } |
511 | else | |
512 | { | |
0df8b418 | 513 | /* Unset PBP. */ |
e22f895c KI |
514 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PBP, 0x00000000); |
515 | } | |
516 | ||
517 | if (use_ib_breakpoints) | |
518 | ib_breakpoints = max_ib_breakpoints; | |
519 | else | |
520 | ib_breakpoints = 0; | |
521 | ||
0df8b418 | 522 | /* Set ib breakpoints. */ |
e22f895c KI |
523 | for (i = 0; i < ib_breakpoints; i++) |
524 | { | |
525 | bp_addr = bp_address[i]; | |
b4b4b794 | 526 | |
e22f895c KI |
527 | if (bp_addr == 0xffffffff) |
528 | continue; | |
529 | ||
0df8b418 | 530 | /* Set PBP. */ |
1cf3db46 | 531 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
e22f895c KI |
532 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4, |
533 | 0x00000006); | |
b4b4b794 | 534 | else |
e22f895c KI |
535 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4, |
536 | 0x06000000); | |
537 | ||
538 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8080 + 4 * i, 4, bp_addr); | |
539 | } | |
540 | ||
0df8b418 | 541 | /* Set dbt breakpoints. */ |
e22f895c KI |
542 | for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++) |
543 | { | |
544 | bp_addr = bp_address[i]; | |
545 | ||
546 | if (bp_addr == 0xffffffff) | |
547 | continue; | |
548 | ||
549 | if (!mmu_on) | |
550 | bp_addr &= 0x7fffffff; | |
b4b4b794 | 551 | |
0df8b418 | 552 | /* Write DBT instruction. */ |
e22f895c | 553 | buf[0] = SDI_WRITE_MEMORY; |
492e5c6b | 554 | store_long_parameter (buf + 1, (bp_addr & 0xfffffffc)); |
e22f895c KI |
555 | store_long_parameter (buf + 5, 4); |
556 | if ((bp_addr & 2) == 0 && bp_addr != (pc_addr & 0xfffffffc)) | |
b4b4b794 | 557 | { |
1cf3db46 | 558 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 559 | { |
e22f895c KI |
560 | buf[9] = dbt_bp_entry[0]; |
561 | buf[10] = dbt_bp_entry[1]; | |
562 | buf[11] = dbt_bp_entry[2]; | |
563 | buf[12] = dbt_bp_entry[3]; | |
564 | } | |
565 | else | |
566 | { | |
567 | buf[9] = dbt_bp_entry[3]; | |
568 | buf[10] = dbt_bp_entry[2]; | |
569 | buf[11] = dbt_bp_entry[1]; | |
570 | buf[12] = dbt_bp_entry[0]; | |
b4b4b794 KI |
571 | } |
572 | } | |
e22f895c | 573 | else |
b4b4b794 | 574 | { |
1cf3db46 | 575 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 576 | { |
e22f895c | 577 | if ((bp_addr & 2) == 0) |
b4b4b794 | 578 | { |
e22f895c KI |
579 | buf[9] = dbt_bp_entry[0]; |
580 | buf[10] = dbt_bp_entry[1]; | |
581 | buf[11] = bp_data[i][2] & 0x7f; | |
582 | buf[12] = bp_data[i][3]; | |
b4b4b794 KI |
583 | } |
584 | else | |
585 | { | |
e22f895c KI |
586 | buf[9] = bp_data[i][0]; |
587 | buf[10] = bp_data[i][1]; | |
588 | buf[11] = dbt_bp_entry[0]; | |
589 | buf[12] = dbt_bp_entry[1]; | |
b4b4b794 KI |
590 | } |
591 | } | |
e22f895c | 592 | else |
b4b4b794 | 593 | { |
e22f895c | 594 | if ((bp_addr & 2) == 0) |
b4b4b794 | 595 | { |
e22f895c KI |
596 | buf[9] = bp_data[i][0]; |
597 | buf[10] = bp_data[i][1] & 0x7f; | |
598 | buf[11] = dbt_bp_entry[1]; | |
599 | buf[12] = dbt_bp_entry[0]; | |
b4b4b794 KI |
600 | } |
601 | else | |
602 | { | |
e22f895c KI |
603 | buf[9] = dbt_bp_entry[1]; |
604 | buf[10] = dbt_bp_entry[0]; | |
605 | buf[11] = bp_data[i][2]; | |
606 | buf[12] = bp_data[i][3]; | |
b4b4b794 | 607 | } |
e22f895c KI |
608 | } |
609 | } | |
610 | send_data (buf, 13); | |
611 | } | |
b4b4b794 | 612 | |
0df8b418 | 613 | /* Set access breaks. */ |
e22f895c KI |
614 | for (i = 0; i < max_access_breaks; i++) |
615 | { | |
616 | ab_addr = ab_address[i]; | |
b4b4b794 | 617 | |
e22f895c KI |
618 | if (ab_addr == 0x00000000) |
619 | continue; | |
b4b4b794 | 620 | |
0df8b418 | 621 | /* DBC register. */ |
1cf3db46 | 622 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
e22f895c KI |
623 | { |
624 | switch (ab_type[i]) | |
625 | { | |
626 | case 0: /* write watch */ | |
627 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
628 | 0x00000086); | |
629 | break; | |
630 | case 1: /* read watch */ | |
631 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
632 | 0x00000046); | |
633 | break; | |
634 | case 2: /* access watch */ | |
635 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
636 | 0x00000006); | |
637 | break; | |
638 | } | |
639 | } | |
640 | else | |
641 | { | |
642 | switch (ab_type[i]) | |
643 | { | |
644 | case 0: /* write watch */ | |
645 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
646 | 0x86000000); | |
647 | break; | |
648 | case 1: /* read watch */ | |
649 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
650 | 0x46000000); | |
651 | break; | |
652 | case 2: /* access watch */ | |
653 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, | |
654 | 0x06000000); | |
655 | break; | |
b4b4b794 KI |
656 | } |
657 | } | |
658 | ||
0df8b418 | 659 | /* DBAH register. */ |
e22f895c KI |
660 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8180 + 4 * i, 4, ab_addr); |
661 | ||
0df8b418 | 662 | /* DBAL register. */ |
e22f895c KI |
663 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8200 + 4 * i, 4, |
664 | 0xffffffff); | |
665 | ||
0df8b418 | 666 | /* DBD register. */ |
e22f895c KI |
667 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8280 + 4 * i, 4, |
668 | 0x00000000); | |
669 | ||
0df8b418 | 670 | /* DBDM register. */ |
e22f895c KI |
671 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8300 + 4 * i, 4, |
672 | 0x00000000); | |
b4b4b794 KI |
673 | } |
674 | ||
0df8b418 | 675 | /* Resume program. */ |
e22f895c | 676 | send_cmd (SDI_EXEC_CPU); |
b4b4b794 KI |
677 | |
678 | /* Without this, some commands which require an active target (such as kill) | |
679 | won't work. This variable serves (at least) double duty as both the pid | |
680 | of the target process (if it has such), and as a flag indicating that a | |
681 | target is active. These functions should be split out into seperate | |
682 | variables, especially since GDB will someday have a notion of debugging | |
683 | several processes. */ | |
e5ef4d75 PA |
684 | inferior_ptid = remote_m32r_ptid; |
685 | add_thread_silent (remote_m32r_ptid); | |
b4b4b794 KI |
686 | |
687 | return; | |
688 | } | |
689 | ||
690 | /* Wait until the remote machine stops, then return, | |
691 | storing status in STATUS just as `wait' would. */ | |
692 | ||
693 | static void | |
694 | gdb_cntrl_c (int signo) | |
695 | { | |
696 | if (remote_debug) | |
697 | fprintf_unfiltered (gdb_stdlog, "interrupt\n"); | |
698 | interrupted = 1; | |
699 | } | |
700 | ||
701 | static ptid_t | |
117de6a9 | 702 | m32r_wait (struct target_ops *ops, |
61439e34 | 703 | ptid_t ptid, struct target_waitstatus *status, int options) |
b4b4b794 KI |
704 | { |
705 | static RETSIGTYPE (*prev_sigint) (); | |
706 | unsigned long bp_addr, pc_addr; | |
e22f895c | 707 | int ib_breakpoints; |
b4b4b794 KI |
708 | long i; |
709 | unsigned char buf[13]; | |
710 | unsigned long val; | |
711 | int ret, c; | |
712 | ||
713 | if (remote_debug) | |
714 | fprintf_unfiltered (gdb_stdlog, "m32r_wait()\n"); | |
715 | ||
716 | status->kind = TARGET_WAITKIND_EXITED; | |
423ec54c | 717 | status->value.sig = TARGET_SIGNAL_0; |
b4b4b794 KI |
718 | |
719 | interrupted = 0; | |
720 | prev_sigint = signal (SIGINT, gdb_cntrl_c); | |
721 | ||
0df8b418 | 722 | /* Wait for ready. */ |
b4b4b794 KI |
723 | buf[0] = SDI_WAIT_FOR_READY; |
724 | if (serial_write (sdi_desc, buf, 1) != 0) | |
8a3fe4f8 | 725 | error (_("Remote connection closed")); |
b4b4b794 KI |
726 | |
727 | while (1) | |
728 | { | |
729 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
730 | if (c < 0) | |
8a3fe4f8 | 731 | error (_("Remote connection closed")); |
b4b4b794 | 732 | |
717eb1cf | 733 | if (c == '-') /* error */ |
b4b4b794 KI |
734 | { |
735 | status->kind = TARGET_WAITKIND_STOPPED; | |
736 | status->value.sig = TARGET_SIGNAL_HUP; | |
737 | return inferior_ptid; | |
738 | } | |
739 | else if (c == '+') /* stopped */ | |
740 | break; | |
741 | ||
742 | if (interrupted) | |
743 | ret = serial_write (sdi_desc, "!", 1); /* packet to interrupt */ | |
744 | else | |
745 | ret = serial_write (sdi_desc, ".", 1); /* packet to wait */ | |
746 | if (ret != 0) | |
8a3fe4f8 | 747 | error (_("Remote connection closed")); |
b4b4b794 KI |
748 | } |
749 | ||
750 | status->kind = TARGET_WAITKIND_STOPPED; | |
751 | if (interrupted) | |
752 | status->value.sig = TARGET_SIGNAL_INT; | |
753 | else | |
754 | status->value.sig = TARGET_SIGNAL_TRAP; | |
755 | ||
756 | interrupted = 0; | |
757 | signal (SIGINT, prev_sigint); | |
758 | ||
759 | check_mmu_status (); | |
760 | ||
0df8b418 | 761 | /* Recover parallel bit. */ |
b4b4b794 KI |
762 | if (last_pc_addr != 0xffffffff) |
763 | { | |
764 | buf[0] = SDI_WRITE_MEMORY; | |
1cf3db46 | 765 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 KI |
766 | store_long_parameter (buf + 1, last_pc_addr); |
767 | else | |
768 | store_long_parameter (buf + 1, last_pc_addr - 1); | |
769 | store_long_parameter (buf + 5, 1); | |
770 | buf[9] = last_pc_addr_data[0]; | |
771 | send_data (buf, 10); | |
772 | last_pc_addr = 0xffffffff; | |
773 | } | |
774 | ||
e22f895c KI |
775 | if (use_ib_breakpoints) |
776 | ib_breakpoints = max_ib_breakpoints; | |
777 | else | |
778 | ib_breakpoints = 0; | |
b4b4b794 | 779 | |
0df8b418 | 780 | /* Set back pc by 2 if m32r is stopped with dbt. */ |
e22f895c KI |
781 | last_pc_addr = 0xffffffff; |
782 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BPC); | |
783 | pc_addr = recv_long_data () - 2; | |
784 | for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++) | |
785 | { | |
786 | if (pc_addr == bp_address[i]) | |
b4b4b794 | 787 | { |
e22f895c KI |
788 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BPC, pc_addr); |
789 | ||
790 | /* If there is a parallel instruction with +2 offset at pc | |
0df8b418 | 791 | address, we have to take care of it later. */ |
e22f895c | 792 | if ((pc_addr & 0x2) != 0) |
b4b4b794 | 793 | { |
1cf3db46 | 794 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 795 | { |
e22f895c | 796 | if ((bp_data[i][2] & 0x80) != 0) |
b4b4b794 | 797 | { |
e22f895c KI |
798 | last_pc_addr = pc_addr; |
799 | last_pc_addr_data[0] = bp_data[i][2]; | |
800 | last_pc_addr_data[1] = bp_data[i][3]; | |
b4b4b794 | 801 | } |
e22f895c KI |
802 | } |
803 | else | |
804 | { | |
805 | if ((bp_data[i][1] & 0x80) != 0) | |
b4b4b794 | 806 | { |
e22f895c KI |
807 | last_pc_addr = pc_addr; |
808 | last_pc_addr_data[0] = bp_data[i][1]; | |
809 | last_pc_addr_data[1] = bp_data[i][0]; | |
b4b4b794 KI |
810 | } |
811 | } | |
b4b4b794 | 812 | } |
e22f895c | 813 | break; |
b4b4b794 | 814 | } |
e22f895c | 815 | } |
b4b4b794 | 816 | |
0df8b418 | 817 | /* Remove ib breakpoints. */ |
e22f895c KI |
818 | for (i = 0; i < ib_breakpoints; i++) |
819 | { | |
820 | if (bp_address[i] != 0xffffffff) | |
821 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8000 + 4 * i, 4, | |
822 | 0x00000000); | |
823 | } | |
0df8b418 | 824 | /* Remove dbt breakpoints. */ |
e22f895c KI |
825 | for (i = ib_breakpoints; i < MAX_BREAKPOINTS; i++) |
826 | { | |
827 | bp_addr = bp_address[i]; | |
828 | if (bp_addr != 0xffffffff) | |
b4b4b794 | 829 | { |
e22f895c KI |
830 | if (!mmu_on) |
831 | bp_addr &= 0x7fffffff; | |
492e5c6b | 832 | buf[0] = SDI_WRITE_MEMORY; |
e22f895c KI |
833 | store_long_parameter (buf + 1, bp_addr & 0xfffffffc); |
834 | store_long_parameter (buf + 5, 4); | |
835 | buf[9] = bp_data[i][0]; | |
836 | buf[10] = bp_data[i][1]; | |
837 | buf[11] = bp_data[i][2]; | |
838 | buf[12] = bp_data[i][3]; | |
839 | send_data (buf, 13); | |
b4b4b794 | 840 | } |
e22f895c | 841 | } |
b4b4b794 | 842 | |
0df8b418 | 843 | /* Remove access breaks. */ |
e22f895c KI |
844 | hit_watchpoint_addr = 0; |
845 | for (i = 0; i < max_access_breaks; i++) | |
846 | { | |
847 | if (ab_address[i] != 0x00000000) | |
b4b4b794 | 848 | { |
e22f895c KI |
849 | buf[0] = SDI_READ_MEMORY; |
850 | store_long_parameter (buf + 1, 0xffff8100 + 4 * i); | |
851 | store_long_parameter (buf + 5, 4); | |
852 | serial_write (sdi_desc, buf, 9); | |
853 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
854 | if (c != '-' && recv_data (buf, 4) != -1) | |
b4b4b794 | 855 | { |
1cf3db46 | 856 | if (gdbarch_byte_order (target_gdbarch) == BFD_ENDIAN_BIG) |
b4b4b794 | 857 | { |
e22f895c KI |
858 | if ((buf[3] & 0x1) == 0x1) |
859 | hit_watchpoint_addr = ab_address[i]; | |
860 | } | |
861 | else | |
862 | { | |
863 | if ((buf[0] & 0x1) == 0x1) | |
864 | hit_watchpoint_addr = ab_address[i]; | |
b4b4b794 | 865 | } |
b4b4b794 | 866 | } |
b4b4b794 | 867 | |
e22f895c KI |
868 | send_three_arg_cmd (SDI_WRITE_MEMORY, 0xffff8100 + 4 * i, 4, |
869 | 0x00000000); | |
870 | } | |
b4b4b794 | 871 | } |
e22f895c KI |
872 | |
873 | if (remote_debug) | |
874 | fprintf_unfiltered (gdb_stdlog, "pc => 0x%lx\n", pc_addr); | |
b4b4b794 KI |
875 | |
876 | return inferior_ptid; | |
877 | } | |
878 | ||
879 | /* Terminate the open connection to the remote debugger. | |
880 | Use this when you want to detach and do something else | |
881 | with your gdb. */ | |
882 | static void | |
136d6dae | 883 | m32r_detach (struct target_ops *ops, char *args, int from_tty) |
b4b4b794 KI |
884 | { |
885 | if (remote_debug) | |
886 | fprintf_unfiltered (gdb_stdlog, "m32r_detach(%d)\n", from_tty); | |
887 | ||
423ec54c | 888 | m32r_resume (ops, inferior_ptid, 0, TARGET_SIGNAL_0); |
b4b4b794 | 889 | |
0df8b418 | 890 | /* Calls m32r_close to do the real work. */ |
b4b4b794 KI |
891 | pop_target (); |
892 | if (from_tty) | |
893 | fprintf_unfiltered (gdb_stdlog, "Ending remote %s debugging\n", | |
894 | target_shortname); | |
895 | } | |
896 | ||
0df8b418 | 897 | /* Return the id of register number REGNO. */ |
b4b4b794 KI |
898 | |
899 | static int | |
900 | get_reg_id (int regno) | |
901 | { | |
902 | switch (regno) | |
903 | { | |
904 | case 20: | |
905 | return SDI_REG_BBPC; | |
906 | case 21: | |
907 | return SDI_REG_BPC; | |
908 | case 22: | |
909 | return SDI_REG_ACCL; | |
910 | case 23: | |
911 | return SDI_REG_ACCH; | |
912 | case 24: | |
913 | return SDI_REG_EVB; | |
914 | } | |
915 | ||
916 | return regno; | |
917 | } | |
918 | ||
b4b4b794 KI |
919 | /* Fetch register REGNO, or all registers if REGNO is -1. |
920 | Returns errno value. */ | |
921 | static void | |
28439f5e PA |
922 | m32r_fetch_register (struct target_ops *ops, |
923 | struct regcache *regcache, int regno) | |
b4b4b794 | 924 | { |
e17a4113 UW |
925 | struct gdbarch *gdbarch = get_regcache_arch (regcache); |
926 | enum bfd_endian byte_order = gdbarch_byte_order (gdbarch); | |
b4b4b794 | 927 | unsigned long val, val2, regid; |
b4b4b794 KI |
928 | |
929 | if (regno == -1) | |
28439f5e PA |
930 | { |
931 | for (regno = 0; | |
932 | regno < gdbarch_num_regs (get_regcache_arch (regcache)); | |
933 | regno++) | |
934 | m32r_fetch_register (ops, regcache, regno); | |
935 | } | |
b4b4b794 KI |
936 | else |
937 | { | |
938 | char buffer[MAX_REGISTER_SIZE]; | |
939 | ||
940 | regid = get_reg_id (regno); | |
e22f895c KI |
941 | send_one_arg_cmd (SDI_READ_CPU_REG, regid); |
942 | val = recv_long_data (); | |
b4b4b794 KI |
943 | |
944 | if (regid == SDI_REG_PSW) | |
945 | { | |
e22f895c KI |
946 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BBPSW); |
947 | val2 = recv_long_data (); | |
3e41d55f | 948 | val = ((0x00cf & val2) << 8) | ((0xcf00 & val) >> 8); |
b4b4b794 KI |
949 | } |
950 | ||
951 | if (remote_debug) | |
952 | fprintf_unfiltered (gdb_stdlog, "m32r_fetch_register(%d,0x%08lx)\n", | |
953 | regno, val); | |
954 | ||
955 | /* We got the number the register holds, but gdb expects to see a | |
956 | value in the target byte ordering. */ | |
e17a4113 | 957 | store_unsigned_integer (buffer, 4, byte_order, val); |
56be3814 | 958 | regcache_raw_supply (regcache, regno, buffer); |
b4b4b794 KI |
959 | } |
960 | return; | |
961 | } | |
962 | ||
b4b4b794 KI |
963 | /* Store register REGNO, or all if REGNO == 0. |
964 | Return errno value. */ | |
965 | static void | |
28439f5e PA |
966 | m32r_store_register (struct target_ops *ops, |
967 | struct regcache *regcache, int regno) | |
b4b4b794 KI |
968 | { |
969 | int regid; | |
970 | ULONGEST regval, tmp; | |
b4b4b794 KI |
971 | |
972 | if (regno == -1) | |
28439f5e PA |
973 | { |
974 | for (regno = 0; | |
975 | regno < gdbarch_num_regs (get_regcache_arch (regcache)); | |
976 | regno++) | |
977 | m32r_store_register (ops, regcache, regno); | |
978 | } | |
b4b4b794 KI |
979 | else |
980 | { | |
56be3814 | 981 | regcache_cooked_read_unsigned (regcache, regno, ®val); |
b4b4b794 KI |
982 | regid = get_reg_id (regno); |
983 | ||
984 | if (regid == SDI_REG_PSW) | |
985 | { | |
986 | unsigned long psw, bbpsw; | |
987 | ||
e22f895c KI |
988 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_PSW); |
989 | psw = recv_long_data (); | |
b4b4b794 | 990 | |
e22f895c KI |
991 | send_one_arg_cmd (SDI_READ_CPU_REG, SDI_REG_BBPSW); |
992 | bbpsw = recv_long_data (); | |
b4b4b794 | 993 | |
3e41d55f | 994 | tmp = (0x00cf & psw) | ((0x00cf & regval) << 8); |
e22f895c | 995 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_PSW, tmp); |
b4b4b794 | 996 | |
3e41d55f | 997 | tmp = (0x0030 & bbpsw) | ((0xcf00 & regval) >> 8); |
e22f895c | 998 | send_two_arg_cmd (SDI_WRITE_CPU_REG, SDI_REG_BBPSW, tmp); |
b4b4b794 KI |
999 | } |
1000 | else | |
1001 | { | |
e22f895c | 1002 | send_two_arg_cmd (SDI_WRITE_CPU_REG, regid, regval); |
b4b4b794 KI |
1003 | } |
1004 | ||
1005 | if (remote_debug) | |
1006 | fprintf_unfiltered (gdb_stdlog, "m32r_store_register(%d,0x%08lu)\n", | |
1007 | regno, (unsigned long) regval); | |
1008 | } | |
1009 | } | |
1010 | ||
1011 | /* Get ready to modify the registers array. On machines which store | |
1012 | individual registers, this doesn't need to do anything. On machines | |
1013 | which store all the registers in one fell swoop, this makes sure | |
1014 | that registers contains all the registers from the program being | |
1015 | debugged. */ | |
1016 | ||
1017 | static void | |
316f2060 | 1018 | m32r_prepare_to_store (struct regcache *regcache) |
b4b4b794 | 1019 | { |
0df8b418 | 1020 | /* Do nothing, since we can store individual regs. */ |
b4b4b794 KI |
1021 | if (remote_debug) |
1022 | fprintf_unfiltered (gdb_stdlog, "m32r_prepare_to_store()\n"); | |
1023 | } | |
1024 | ||
1025 | static void | |
1026 | m32r_files_info (struct target_ops *target) | |
1027 | { | |
0d18d720 | 1028 | const char *file = "nothing"; |
b4b4b794 KI |
1029 | |
1030 | if (exec_bfd) | |
1031 | { | |
1032 | file = bfd_get_filename (exec_bfd); | |
1033 | printf_filtered ("\tAttached to %s running program %s\n", | |
1034 | chip_name, file); | |
1035 | } | |
1036 | } | |
1037 | ||
1038 | /* Read/Write memory. */ | |
1039 | static int | |
16ac4ab5 | 1040 | m32r_xfer_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len, |
b4b4b794 KI |
1041 | int write, |
1042 | struct mem_attrib *attrib, struct target_ops *target) | |
1043 | { | |
1044 | unsigned long taddr; | |
1045 | unsigned char buf[0x2000]; | |
1046 | int ret, c; | |
1047 | ||
1048 | taddr = memaddr; | |
1049 | ||
1050 | if (!mmu_on) | |
1051 | { | |
1052 | if ((taddr & 0xa0000000) == 0x80000000) | |
1053 | taddr &= 0x7fffffff; | |
1054 | } | |
1055 | ||
1056 | if (remote_debug) | |
1057 | { | |
1058 | if (write) | |
ec20a626 | 1059 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory(%s,%d,write)\n", |
5af949e3 | 1060 | paddress (target_gdbarch, memaddr), len); |
b4b4b794 | 1061 | else |
ec20a626 | 1062 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory(%s,%d,read)\n", |
5af949e3 | 1063 | paddress (target_gdbarch, memaddr), len); |
b4b4b794 KI |
1064 | } |
1065 | ||
1066 | if (write) | |
1067 | { | |
1068 | buf[0] = SDI_WRITE_MEMORY; | |
1069 | store_long_parameter (buf + 1, taddr); | |
1070 | store_long_parameter (buf + 5, len); | |
1071 | if (len < 0x1000) | |
1072 | { | |
1073 | memcpy (buf + 9, myaddr, len); | |
1074 | ret = send_data (buf, len + 9) - 9; | |
1075 | } | |
1076 | else | |
1077 | { | |
1078 | if (serial_write (sdi_desc, buf, 9) != 0) | |
1079 | { | |
1080 | if (remote_debug) | |
1081 | fprintf_unfiltered (gdb_stdlog, | |
1082 | "m32r_xfer_memory() failed\n"); | |
1083 | return 0; | |
1084 | } | |
1085 | ret = send_data (myaddr, len); | |
1086 | } | |
1087 | } | |
1088 | else | |
1089 | { | |
1090 | buf[0] = SDI_READ_MEMORY; | |
1091 | store_long_parameter (buf + 1, taddr); | |
1092 | store_long_parameter (buf + 5, len); | |
1093 | if (serial_write (sdi_desc, buf, 9) != 0) | |
1094 | { | |
1095 | if (remote_debug) | |
1096 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() failed\n"); | |
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
1101 | if (c < 0 || c == '-') | |
1102 | { | |
1103 | if (remote_debug) | |
1104 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() failed\n"); | |
1105 | return 0; | |
1106 | } | |
1107 | ||
1108 | ret = recv_data (myaddr, len); | |
1109 | } | |
1110 | ||
1111 | if (ret <= 0) | |
1112 | { | |
1113 | if (remote_debug) | |
1114 | fprintf_unfiltered (gdb_stdlog, "m32r_xfer_memory() fails\n"); | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | return ret; | |
1119 | } | |
1120 | ||
1121 | static void | |
7d85a9c0 | 1122 | m32r_kill (struct target_ops *ops) |
b4b4b794 KI |
1123 | { |
1124 | if (remote_debug) | |
1125 | fprintf_unfiltered (gdb_stdlog, "m32r_kill()\n"); | |
1126 | ||
1127 | inferior_ptid = null_ptid; | |
e5ef4d75 | 1128 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
1129 | |
1130 | return; | |
1131 | } | |
1132 | ||
1133 | /* Clean up when a program exits. | |
1134 | ||
1135 | The program actually lives on in the remote processor's RAM, and may be | |
1136 | run again without a download. Don't leave it full of breakpoint | |
1137 | instructions. */ | |
1138 | ||
1139 | static void | |
136d6dae | 1140 | m32r_mourn_inferior (struct target_ops *ops) |
b4b4b794 KI |
1141 | { |
1142 | if (remote_debug) | |
1143 | fprintf_unfiltered (gdb_stdlog, "m32r_mourn_inferior()\n"); | |
1144 | ||
1145 | remove_breakpoints (); | |
1146 | generic_mourn_inferior (); | |
1147 | } | |
1148 | ||
1149 | static int | |
a6d9a66e UW |
1150 | m32r_insert_breakpoint (struct gdbarch *gdbarch, |
1151 | struct bp_target_info *bp_tgt) | |
b4b4b794 | 1152 | { |
8181d85f | 1153 | CORE_ADDR addr = bp_tgt->placed_address; |
b4b4b794 KI |
1154 | int ib_breakpoints; |
1155 | unsigned char buf[13]; | |
1156 | int i, c; | |
1157 | ||
1158 | if (remote_debug) | |
ec20a626 | 1159 | fprintf_unfiltered (gdb_stdlog, "m32r_insert_breakpoint(%s,...)\n", |
5af949e3 | 1160 | paddress (gdbarch, addr)); |
b4b4b794 KI |
1161 | |
1162 | if (use_ib_breakpoints) | |
1163 | ib_breakpoints = max_ib_breakpoints; | |
1164 | else | |
1165 | ib_breakpoints = 0; | |
1166 | ||
1167 | for (i = 0; i < MAX_BREAKPOINTS; i++) | |
1168 | { | |
1169 | if (bp_address[i] == 0xffffffff) | |
1170 | { | |
1171 | bp_address[i] = addr; | |
1172 | if (i >= ib_breakpoints) | |
1173 | { | |
1174 | buf[0] = SDI_READ_MEMORY; | |
1175 | if (mmu_on) | |
1176 | store_long_parameter (buf + 1, addr & 0xfffffffc); | |
1177 | else | |
1178 | store_long_parameter (buf + 1, addr & 0x7ffffffc); | |
1179 | store_long_parameter (buf + 5, 4); | |
1180 | serial_write (sdi_desc, buf, 9); | |
1181 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
1182 | if (c != '-') | |
1183 | recv_data (bp_data[i], 4); | |
1184 | } | |
1185 | return 0; | |
1186 | } | |
1187 | } | |
1188 | ||
8a3fe4f8 | 1189 | error (_("Too many breakpoints")); |
b4b4b794 KI |
1190 | return 1; |
1191 | } | |
1192 | ||
1193 | static int | |
a6d9a66e UW |
1194 | m32r_remove_breakpoint (struct gdbarch *gdbarch, |
1195 | struct bp_target_info *bp_tgt) | |
b4b4b794 | 1196 | { |
8181d85f | 1197 | CORE_ADDR addr = bp_tgt->placed_address; |
b4b4b794 KI |
1198 | int i; |
1199 | ||
1200 | if (remote_debug) | |
ec20a626 | 1201 | fprintf_unfiltered (gdb_stdlog, "m32r_remove_breakpoint(%s)\n", |
5af949e3 | 1202 | paddress (gdbarch, addr)); |
b4b4b794 KI |
1203 | |
1204 | for (i = 0; i < MAX_BREAKPOINTS; i++) | |
1205 | { | |
1206 | if (bp_address[i] == addr) | |
1207 | { | |
1208 | bp_address[i] = 0xffffffff; | |
1209 | break; | |
1210 | } | |
1211 | } | |
1212 | ||
1213 | return 0; | |
1214 | } | |
1215 | ||
1216 | static void | |
1217 | m32r_load (char *args, int from_tty) | |
1218 | { | |
1219 | struct cleanup *old_chain; | |
1220 | asection *section; | |
1221 | bfd *pbfd; | |
1222 | bfd_vma entry; | |
1223 | char *filename; | |
1224 | int quiet; | |
1225 | int nostart; | |
2b71414d | 1226 | struct timeval start_time, end_time; |
0df8b418 | 1227 | unsigned long data_count; /* Number of bytes transferred to memory. */ |
b4b4b794 KI |
1228 | int ret; |
1229 | static RETSIGTYPE (*prev_sigint) (); | |
1230 | ||
0df8b418 | 1231 | /* for direct tcp connections, we can do a fast binary download. */ |
b4b4b794 KI |
1232 | quiet = 0; |
1233 | nostart = 0; | |
1234 | filename = NULL; | |
1235 | ||
1236 | while (*args != '\000') | |
1237 | { | |
1238 | char *arg; | |
1239 | ||
1240 | while (isspace (*args)) | |
1241 | args++; | |
1242 | ||
1243 | arg = args; | |
1244 | ||
1245 | while ((*args != '\000') && !isspace (*args)) | |
1246 | args++; | |
1247 | ||
1248 | if (*args != '\000') | |
1249 | *args++ = '\000'; | |
1250 | ||
1251 | if (*arg != '-') | |
1252 | filename = arg; | |
1253 | else if (strncmp (arg, "-quiet", strlen (arg)) == 0) | |
1254 | quiet = 1; | |
1255 | else if (strncmp (arg, "-nostart", strlen (arg)) == 0) | |
1256 | nostart = 1; | |
1257 | else | |
8a3fe4f8 | 1258 | error (_("Unknown option `%s'"), arg); |
b4b4b794 KI |
1259 | } |
1260 | ||
1261 | if (!filename) | |
1262 | filename = get_exec_file (1); | |
1263 | ||
1264 | pbfd = bfd_openr (filename, gnutarget); | |
1265 | if (pbfd == NULL) | |
1266 | { | |
1267 | perror_with_name (filename); | |
1268 | return; | |
1269 | } | |
1270 | old_chain = make_cleanup_bfd_close (pbfd); | |
1271 | ||
1272 | if (!bfd_check_format (pbfd, bfd_object)) | |
8a3fe4f8 | 1273 | error (_("\"%s\" is not an object file: %s"), filename, |
b4b4b794 KI |
1274 | bfd_errmsg (bfd_get_error ())); |
1275 | ||
2b71414d | 1276 | gettimeofday (&start_time, NULL); |
b4b4b794 KI |
1277 | data_count = 0; |
1278 | ||
1279 | interrupted = 0; | |
1280 | prev_sigint = signal (SIGINT, gdb_cntrl_c); | |
1281 | ||
1282 | for (section = pbfd->sections; section; section = section->next) | |
1283 | { | |
1284 | if (bfd_get_section_flags (pbfd, section) & SEC_LOAD) | |
1285 | { | |
1286 | bfd_vma section_address; | |
1287 | bfd_size_type section_size; | |
1288 | file_ptr fptr; | |
1289 | int n; | |
1290 | ||
1291 | section_address = bfd_section_lma (pbfd, section); | |
2c500098 | 1292 | section_size = bfd_get_section_size (section); |
b4b4b794 KI |
1293 | |
1294 | if (!mmu_on) | |
1295 | { | |
1296 | if ((section_address & 0xa0000000) == 0x80000000) | |
1297 | section_address &= 0x7fffffff; | |
1298 | } | |
1299 | ||
1300 | if (!quiet) | |
1301 | printf_filtered ("[Loading section %s at 0x%lx (%d bytes)]\n", | |
1302 | bfd_get_section_name (pbfd, section), | |
ec20a626 UW |
1303 | (unsigned long) section_address, |
1304 | (int) section_size); | |
b4b4b794 KI |
1305 | |
1306 | fptr = 0; | |
1307 | ||
1308 | data_count += section_size; | |
1309 | ||
1310 | n = 0; | |
1311 | while (section_size > 0) | |
1312 | { | |
1313 | char unsigned buf[0x1000 + 9]; | |
1314 | int count; | |
1315 | ||
1316 | count = min (section_size, 0x1000); | |
1317 | ||
1318 | buf[0] = SDI_WRITE_MEMORY; | |
1319 | store_long_parameter (buf + 1, section_address); | |
1320 | store_long_parameter (buf + 5, count); | |
1321 | ||
1322 | bfd_get_section_contents (pbfd, section, buf + 9, fptr, count); | |
1323 | if (send_data (buf, count + 9) <= 0) | |
8a3fe4f8 | 1324 | error (_("Error while downloading %s section."), |
b4b4b794 KI |
1325 | bfd_get_section_name (pbfd, section)); |
1326 | ||
1327 | if (!quiet) | |
1328 | { | |
1329 | printf_unfiltered ("."); | |
1330 | if (n++ > 60) | |
1331 | { | |
1332 | printf_unfiltered ("\n"); | |
1333 | n = 0; | |
1334 | } | |
1335 | gdb_flush (gdb_stdout); | |
1336 | } | |
1337 | ||
1338 | section_address += count; | |
1339 | fptr += count; | |
1340 | section_size -= count; | |
1341 | ||
1342 | if (interrupted) | |
1343 | break; | |
1344 | } | |
1345 | ||
1346 | if (!quiet && !interrupted) | |
1347 | { | |
1348 | printf_unfiltered ("done.\n"); | |
1349 | gdb_flush (gdb_stdout); | |
1350 | } | |
1351 | } | |
1352 | ||
1353 | if (interrupted) | |
1354 | { | |
1355 | printf_unfiltered ("Interrupted.\n"); | |
1356 | break; | |
1357 | } | |
1358 | } | |
1359 | ||
1360 | interrupted = 0; | |
1361 | signal (SIGINT, prev_sigint); | |
1362 | ||
2b71414d | 1363 | gettimeofday (&end_time, NULL); |
b4b4b794 | 1364 | |
0df8b418 | 1365 | /* Make the PC point at the start address. */ |
b4b4b794 | 1366 | if (exec_bfd) |
fb14de7b UW |
1367 | regcache_write_pc (get_current_regcache (), |
1368 | bfd_get_start_address (exec_bfd)); | |
b4b4b794 | 1369 | |
0df8b418 | 1370 | inferior_ptid = null_ptid; /* No process now. */ |
e5ef4d75 | 1371 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
1372 | |
1373 | /* This is necessary because many things were based on the PC at the time | |
1374 | that we attached to the monitor, which is no longer valid now that we | |
1375 | have loaded new code (and just changed the PC). Another way to do this | |
1376 | might be to call normal_stop, except that the stack may not be valid, | |
0df8b418 | 1377 | and things would get horribly confused... */ |
b4b4b794 | 1378 | |
c1e56572 | 1379 | clear_symtab_users (0); |
b4b4b794 KI |
1380 | |
1381 | if (!nostart) | |
1382 | { | |
1383 | entry = bfd_get_start_address (pbfd); | |
1384 | ||
1385 | if (!quiet) | |
ec20a626 UW |
1386 | printf_unfiltered ("[Starting %s at 0x%lx]\n", filename, |
1387 | (unsigned long) entry); | |
b4b4b794 KI |
1388 | } |
1389 | ||
2b71414d DJ |
1390 | print_transfer_performance (gdb_stdout, data_count, 0, &start_time, |
1391 | &end_time); | |
b4b4b794 KI |
1392 | |
1393 | do_cleanups (old_chain); | |
1394 | } | |
1395 | ||
1396 | static void | |
f9c72d52 | 1397 | m32r_stop (ptid_t ptid) |
b4b4b794 | 1398 | { |
b4b4b794 KI |
1399 | if (remote_debug) |
1400 | fprintf_unfiltered (gdb_stdlog, "m32r_stop()\n"); | |
1401 | ||
e22f895c | 1402 | send_cmd (SDI_STOP_CPU); |
b4b4b794 KI |
1403 | |
1404 | return; | |
1405 | } | |
1406 | ||
1407 | ||
37814c18 KI |
1408 | /* Tell whether this target can support a hardware breakpoint. CNT |
1409 | is the number of hardware breakpoints already installed. This | |
d92524f1 | 1410 | implements the target_can_use_hardware_watchpoint macro. */ |
b4b4b794 | 1411 | |
63807e1d | 1412 | static int |
37814c18 | 1413 | m32r_can_use_hw_watchpoint (int type, int cnt, int othertype) |
b4b4b794 | 1414 | { |
37814c18 | 1415 | return sdi_desc != NULL && cnt < max_access_breaks; |
b4b4b794 KI |
1416 | } |
1417 | ||
1418 | /* Set a data watchpoint. ADDR and LEN should be obvious. TYPE is 0 | |
1419 | for a write watchpoint, 1 for a read watchpoint, or 2 for a read/write | |
0df8b418 | 1420 | watchpoint. */ |
b4b4b794 | 1421 | |
63807e1d | 1422 | static int |
0cf6dd15 TJB |
1423 | m32r_insert_watchpoint (CORE_ADDR addr, int len, int type, |
1424 | struct expression *cond) | |
b4b4b794 KI |
1425 | { |
1426 | int i; | |
1427 | ||
1428 | if (remote_debug) | |
ec20a626 | 1429 | fprintf_unfiltered (gdb_stdlog, "m32r_insert_watchpoint(%s,%d,%d)\n", |
5af949e3 | 1430 | paddress (target_gdbarch, addr), len, type); |
b4b4b794 KI |
1431 | |
1432 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) | |
1433 | { | |
1434 | if (ab_address[i] == 0x00000000) | |
1435 | { | |
1436 | ab_address[i] = addr; | |
1437 | ab_size[i] = len; | |
1438 | ab_type[i] = type; | |
1439 | return 0; | |
1440 | } | |
1441 | } | |
1442 | ||
8a3fe4f8 | 1443 | error (_("Too many watchpoints")); |
b4b4b794 KI |
1444 | return 1; |
1445 | } | |
1446 | ||
63807e1d | 1447 | static int |
0cf6dd15 TJB |
1448 | m32r_remove_watchpoint (CORE_ADDR addr, int len, int type, |
1449 | struct expression *cond) | |
b4b4b794 KI |
1450 | { |
1451 | int i; | |
1452 | ||
1453 | if (remote_debug) | |
ec20a626 | 1454 | fprintf_unfiltered (gdb_stdlog, "m32r_remove_watchpoint(%s,%d,%d)\n", |
5af949e3 | 1455 | paddress (target_gdbarch, addr), len, type); |
b4b4b794 KI |
1456 | |
1457 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) | |
1458 | { | |
1459 | if (ab_address[i] == addr) | |
1460 | { | |
1461 | ab_address[i] = 0x00000000; | |
1462 | break; | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | return 0; | |
1467 | } | |
1468 | ||
63807e1d | 1469 | static int |
4aa7a7f5 | 1470 | m32r_stopped_data_address (struct target_ops *target, CORE_ADDR *addr_p) |
b4b4b794 | 1471 | { |
4aa7a7f5 | 1472 | int rc = 0; |
123f5f96 | 1473 | |
4aa7a7f5 JJ |
1474 | if (hit_watchpoint_addr != 0x00000000) |
1475 | { | |
1476 | *addr_p = hit_watchpoint_addr; | |
1477 | rc = 1; | |
1478 | } | |
1479 | return rc; | |
b4b4b794 KI |
1480 | } |
1481 | ||
63807e1d | 1482 | static int |
b4b4b794 KI |
1483 | m32r_stopped_by_watchpoint (void) |
1484 | { | |
4aa7a7f5 | 1485 | CORE_ADDR addr; |
123f5f96 | 1486 | |
4aa7a7f5 | 1487 | return m32r_stopped_data_address (¤t_target, &addr); |
b4b4b794 KI |
1488 | } |
1489 | ||
4d6c6261 PA |
1490 | /* Check to see if a thread is still alive. */ |
1491 | ||
1492 | static int | |
28439f5e | 1493 | m32r_thread_alive (struct target_ops *ops, ptid_t ptid) |
4d6c6261 PA |
1494 | { |
1495 | if (ptid_equal (ptid, remote_m32r_ptid)) | |
1496 | /* The main task is always alive. */ | |
1497 | return 1; | |
1498 | ||
1499 | return 0; | |
1500 | } | |
1501 | ||
1502 | /* Convert a thread ID to a string. Returns the string in a static | |
1503 | buffer. */ | |
1504 | ||
1505 | static char * | |
117de6a9 | 1506 | m32r_pid_to_str (struct target_ops *ops, ptid_t ptid) |
4d6c6261 PA |
1507 | { |
1508 | static char buf[64]; | |
1509 | ||
1510 | if (ptid_equal (remote_m32r_ptid, ptid)) | |
1511 | { | |
1512 | xsnprintf (buf, sizeof buf, "Thread <main>"); | |
1513 | return buf; | |
1514 | } | |
1515 | ||
1516 | return normal_pid_to_str (ptid); | |
1517 | } | |
b4b4b794 KI |
1518 | |
1519 | static void | |
1520 | sdireset_command (char *args, int from_tty) | |
1521 | { | |
b4b4b794 KI |
1522 | if (remote_debug) |
1523 | fprintf_unfiltered (gdb_stdlog, "m32r_sdireset()\n"); | |
1524 | ||
e22f895c | 1525 | send_cmd (SDI_OPEN); |
b4b4b794 KI |
1526 | |
1527 | inferior_ptid = null_ptid; | |
e5ef4d75 | 1528 | delete_thread_silent (remote_m32r_ptid); |
b4b4b794 KI |
1529 | } |
1530 | ||
1531 | ||
1532 | static void | |
1533 | sdistatus_command (char *args, int from_tty) | |
1534 | { | |
1535 | unsigned char buf[4096]; | |
1536 | int i, c; | |
1537 | ||
1538 | if (remote_debug) | |
1539 | fprintf_unfiltered (gdb_stdlog, "m32r_sdireset()\n"); | |
1540 | ||
1541 | if (!sdi_desc) | |
1542 | return; | |
1543 | ||
e22f895c | 1544 | send_cmd (SDI_STATUS); |
b4b4b794 KI |
1545 | for (i = 0; i < 4096; i++) |
1546 | { | |
1547 | c = serial_readchar (sdi_desc, SDI_TIMEOUT); | |
1548 | if (c < 0) | |
717eb1cf | 1549 | return; |
b4b4b794 KI |
1550 | buf[i] = c; |
1551 | if (c == 0) | |
717eb1cf AC |
1552 | break; |
1553 | } | |
b4b4b794 KI |
1554 | |
1555 | printf_filtered ("%s", buf); | |
1556 | } | |
1557 | ||
1558 | ||
1559 | static void | |
1560 | debug_chaos_command (char *args, int from_tty) | |
1561 | { | |
1562 | unsigned char buf[3]; | |
1563 | ||
1564 | buf[0] = SDI_SET_ATTR; | |
1565 | buf[1] = SDI_ATTR_CACHE; | |
1566 | buf[2] = SDI_CACHE_TYPE_CHAOS; | |
1567 | send_data (buf, 3); | |
1568 | } | |
1569 | ||
1570 | ||
1571 | static void | |
1572 | use_debug_dma_command (char *args, int from_tty) | |
1573 | { | |
1574 | unsigned char buf[3]; | |
1575 | ||
1576 | buf[0] = SDI_SET_ATTR; | |
1577 | buf[1] = SDI_ATTR_MEM_ACCESS; | |
1578 | buf[2] = SDI_MEM_ACCESS_DEBUG_DMA; | |
1579 | send_data (buf, 3); | |
1580 | } | |
1581 | ||
1582 | static void | |
1583 | use_mon_code_command (char *args, int from_tty) | |
1584 | { | |
1585 | unsigned char buf[3]; | |
1586 | ||
1587 | buf[0] = SDI_SET_ATTR; | |
1588 | buf[1] = SDI_ATTR_MEM_ACCESS; | |
1589 | buf[2] = SDI_MEM_ACCESS_MON_CODE; | |
1590 | send_data (buf, 3); | |
1591 | } | |
1592 | ||
1593 | ||
1594 | static void | |
1595 | use_ib_breakpoints_command (char *args, int from_tty) | |
1596 | { | |
1597 | use_ib_breakpoints = 1; | |
1598 | } | |
1599 | ||
1600 | static void | |
1601 | use_dbt_breakpoints_command (char *args, int from_tty) | |
1602 | { | |
1603 | use_ib_breakpoints = 0; | |
1604 | } | |
1605 | ||
c35b1492 PA |
1606 | static int |
1607 | m32r_return_one (struct target_ops *target) | |
1608 | { | |
1609 | return 1; | |
1610 | } | |
b4b4b794 | 1611 | |
aeaec162 TT |
1612 | /* Implementation of the to_has_execution method. */ |
1613 | ||
1614 | static int | |
1615 | m32r_has_execution (struct target_ops *target, ptid_t the_ptid) | |
1616 | { | |
1617 | return 1; | |
1618 | } | |
1619 | ||
0df8b418 | 1620 | /* Define the target subroutine names. */ |
b4b4b794 KI |
1621 | |
1622 | struct target_ops m32r_ops; | |
1623 | ||
1624 | static void | |
1625 | init_m32r_ops (void) | |
1626 | { | |
1627 | m32r_ops.to_shortname = "m32rsdi"; | |
1628 | m32r_ops.to_longname = "Remote M32R debugging over SDI interface"; | |
1629 | m32r_ops.to_doc = "Use an M32R board using SDI debugging protocol."; | |
1630 | m32r_ops.to_open = m32r_open; | |
1631 | m32r_ops.to_close = m32r_close; | |
1632 | m32r_ops.to_detach = m32r_detach; | |
1633 | m32r_ops.to_resume = m32r_resume; | |
1634 | m32r_ops.to_wait = m32r_wait; | |
1635 | m32r_ops.to_fetch_registers = m32r_fetch_register; | |
1636 | m32r_ops.to_store_registers = m32r_store_register; | |
1637 | m32r_ops.to_prepare_to_store = m32r_prepare_to_store; | |
c8e73a31 | 1638 | m32r_ops.deprecated_xfer_memory = m32r_xfer_memory; |
b4b4b794 KI |
1639 | m32r_ops.to_files_info = m32r_files_info; |
1640 | m32r_ops.to_insert_breakpoint = m32r_insert_breakpoint; | |
1641 | m32r_ops.to_remove_breakpoint = m32r_remove_breakpoint; | |
37814c18 KI |
1642 | m32r_ops.to_can_use_hw_breakpoint = m32r_can_use_hw_watchpoint; |
1643 | m32r_ops.to_insert_watchpoint = m32r_insert_watchpoint; | |
1644 | m32r_ops.to_remove_watchpoint = m32r_remove_watchpoint; | |
1645 | m32r_ops.to_stopped_by_watchpoint = m32r_stopped_by_watchpoint; | |
1646 | m32r_ops.to_stopped_data_address = m32r_stopped_data_address; | |
b4b4b794 KI |
1647 | m32r_ops.to_kill = m32r_kill; |
1648 | m32r_ops.to_load = m32r_load; | |
1649 | m32r_ops.to_create_inferior = m32r_create_inferior; | |
1650 | m32r_ops.to_mourn_inferior = m32r_mourn_inferior; | |
1651 | m32r_ops.to_stop = m32r_stop; | |
49d03eab | 1652 | m32r_ops.to_log_command = serial_log_command; |
4d6c6261 PA |
1653 | m32r_ops.to_thread_alive = m32r_thread_alive; |
1654 | m32r_ops.to_pid_to_str = m32r_pid_to_str; | |
b4b4b794 | 1655 | m32r_ops.to_stratum = process_stratum; |
c35b1492 PA |
1656 | m32r_ops.to_has_all_memory = m32r_return_one; |
1657 | m32r_ops.to_has_memory = m32r_return_one; | |
1658 | m32r_ops.to_has_stack = m32r_return_one; | |
1659 | m32r_ops.to_has_registers = m32r_return_one; | |
aeaec162 | 1660 | m32r_ops.to_has_execution = m32r_has_execution; |
b4b4b794 KI |
1661 | m32r_ops.to_magic = OPS_MAGIC; |
1662 | }; | |
1663 | ||
1664 | ||
1665 | extern initialize_file_ftype _initialize_remote_m32r; | |
1666 | ||
1667 | void | |
1668 | _initialize_remote_m32r (void) | |
1669 | { | |
1670 | int i; | |
1671 | ||
1672 | init_m32r_ops (); | |
1673 | ||
0df8b418 | 1674 | /* Initialize breakpoints. */ |
b4b4b794 KI |
1675 | for (i = 0; i < MAX_BREAKPOINTS; i++) |
1676 | bp_address[i] = 0xffffffff; | |
1677 | ||
0df8b418 | 1678 | /* Initialize access breaks. */ |
b4b4b794 KI |
1679 | for (i = 0; i < MAX_ACCESS_BREAKS; i++) |
1680 | ab_address[i] = 0x00000000; | |
1681 | ||
1682 | add_target (&m32r_ops); | |
1683 | ||
1684 | add_com ("sdireset", class_obscure, sdireset_command, | |
1bedd215 | 1685 | _("Reset SDI connection.")); |
b4b4b794 KI |
1686 | |
1687 | add_com ("sdistatus", class_obscure, sdistatus_command, | |
1bedd215 | 1688 | _("Show status of SDI connection.")); |
b4b4b794 KI |
1689 | |
1690 | add_com ("debug_chaos", class_obscure, debug_chaos_command, | |
1bedd215 | 1691 | _("Debug M32R/Chaos.")); |
b4b4b794 KI |
1692 | |
1693 | add_com ("use_debug_dma", class_obscure, use_debug_dma_command, | |
1bedd215 | 1694 | _("Use debug DMA mem access.")); |
b4b4b794 | 1695 | add_com ("use_mon_code", class_obscure, use_mon_code_command, |
1bedd215 | 1696 | _("Use mon code mem access.")); |
b4b4b794 KI |
1697 | |
1698 | add_com ("use_ib_break", class_obscure, use_ib_breakpoints_command, | |
1bedd215 | 1699 | _("Set breakpoints by IB break.")); |
b4b4b794 | 1700 | add_com ("use_dbt_break", class_obscure, use_dbt_breakpoints_command, |
1bedd215 | 1701 | _("Set breakpoints by dbt.")); |
e5ef4d75 PA |
1702 | |
1703 | /* Yes, 42000 is arbitrary. The only sense out of it, is that it | |
1704 | isn't 0. */ | |
1705 | remote_m32r_ptid = ptid_build (42000, 0, 42000); | |
b4b4b794 | 1706 | } |