Commit | Line | Data |
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80629b1b | 1 | /* Memory attributes support, for GDB. |
14a5e767 | 2 | |
4c38e0a4 | 3 | Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
c96fc75e | 4 | Free Software Foundation, Inc. |
80629b1b EZ |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
80629b1b EZ |
11 | (at your option) any later version. |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
80629b1b | 20 | |
29e57380 C |
21 | #include "defs.h" |
22 | #include "command.h" | |
23 | #include "gdbcmd.h" | |
24 | #include "memattr.h" | |
25 | #include "target.h" | |
26 | #include "value.h" | |
27 | #include "language.h" | |
c96fc75e | 28 | #include "vec.h" |
29e57380 C |
29 | #include "gdb_string.h" |
30 | ||
29e57380 C |
31 | const struct mem_attrib default_mem_attrib = |
32 | { | |
33 | MEM_RW, /* mode */ | |
34 | MEM_WIDTH_UNSPECIFIED, | |
81a9a963 AC |
35 | 0, /* hwbreak */ |
36 | 0, /* cache */ | |
fd79ecee DJ |
37 | 0, /* verify */ |
38 | -1 /* Flash blocksize not specified. */ | |
29e57380 C |
39 | }; |
40 | ||
4b5752d0 VP |
41 | const struct mem_attrib unknown_mem_attrib = |
42 | { | |
43 | MEM_NONE, /* mode */ | |
44 | MEM_WIDTH_UNSPECIFIED, | |
45 | 0, /* hwbreak */ | |
46 | 0, /* cache */ | |
47 | 0, /* verify */ | |
48 | -1 /* Flash blocksize not specified. */ | |
49 | }; | |
50 | ||
51 | ||
fd79ecee | 52 | VEC(mem_region_s) *mem_region_list, *target_mem_region_list; |
f4d650ec | 53 | static int mem_number = 0; |
29e57380 | 54 | |
fd79ecee DJ |
55 | /* If this flag is set, the memory region list should be automatically |
56 | updated from the target. If it is clear, the list is user-controlled | |
57 | and should be left alone. */ | |
58 | static int mem_use_target = 1; | |
59 | ||
60 | /* If this flag is set, we have tried to fetch the target memory regions | |
61 | since the last time it was invalidated. If that list is still | |
62 | empty, then the target can't supply memory regions. */ | |
63 | static int target_mem_regions_valid; | |
64 | ||
4b5752d0 VP |
65 | /* If this flag is set, gdb will assume that memory ranges not |
66 | specified by the memory map have type MEM_NONE, and will | |
67 | emit errors on all accesses to that memory. */ | |
56cf5405 | 68 | static int inaccessible_by_default = 1; |
4b5752d0 VP |
69 | |
70 | static void | |
71 | show_inaccessible_by_default (struct ui_file *file, int from_tty, | |
72 | struct cmd_list_element *c, | |
73 | const char *value) | |
74 | { | |
75 | if (inaccessible_by_default) | |
76 | fprintf_filtered (file, _("\ | |
77 | Unknown memory addresses will be treated as inaccessible.\n")); | |
78 | else | |
79 | fprintf_filtered (file, _("\ | |
80 | Unknown memory addresses will be treated as RAM.\n")); | |
81 | } | |
82 | ||
83 | ||
c96fc75e DJ |
84 | /* Predicate function which returns true if LHS should sort before RHS |
85 | in a list of memory regions, useful for VEC_lower_bound. */ | |
86 | ||
87 | static int | |
88 | mem_region_lessthan (const struct mem_region *lhs, | |
89 | const struct mem_region *rhs) | |
90 | { | |
91 | return lhs->lo < rhs->lo; | |
92 | } | |
93 | ||
fd79ecee DJ |
94 | /* A helper function suitable for qsort, used to sort a |
95 | VEC(mem_region_s) by starting address. */ | |
96 | ||
97 | int | |
98 | mem_region_cmp (const void *untyped_lhs, const void *untyped_rhs) | |
99 | { | |
100 | const struct mem_region *lhs = untyped_lhs; | |
101 | const struct mem_region *rhs = untyped_rhs; | |
102 | ||
103 | if (lhs->lo < rhs->lo) | |
104 | return -1; | |
105 | else if (lhs->lo == rhs->lo) | |
106 | return 0; | |
107 | else | |
108 | return 1; | |
109 | } | |
110 | ||
111 | /* Allocate a new memory region, with default settings. */ | |
112 | ||
113 | void | |
114 | mem_region_init (struct mem_region *new) | |
115 | { | |
116 | memset (new, 0, sizeof (struct mem_region)); | |
117 | new->enabled_p = 1; | |
118 | new->attrib = default_mem_attrib; | |
119 | } | |
120 | ||
121 | /* This function should be called before any command which would | |
122 | modify the memory region list. It will handle switching from | |
123 | a target-provided list to a local list, if necessary. */ | |
124 | ||
125 | static void | |
126 | require_user_regions (int from_tty) | |
127 | { | |
128 | struct mem_region *m; | |
129 | int ix, length; | |
130 | ||
131 | /* If we're already using a user-provided list, nothing to do. */ | |
132 | if (!mem_use_target) | |
133 | return; | |
134 | ||
135 | /* Switch to a user-provided list (possibly a copy of the current | |
136 | one). */ | |
137 | mem_use_target = 0; | |
138 | ||
139 | /* If we don't have a target-provided region list yet, then | |
140 | no need to warn. */ | |
141 | if (mem_region_list == NULL) | |
142 | return; | |
143 | ||
144 | /* Otherwise, let the user know how to get back. */ | |
145 | if (from_tty) | |
146 | warning (_("Switching to manual control of memory regions; use " | |
147 | "\"mem auto\" to fetch regions from the target again.")); | |
148 | ||
149 | /* And create a new list for the user to modify. */ | |
150 | length = VEC_length (mem_region_s, target_mem_region_list); | |
151 | mem_region_list = VEC_alloc (mem_region_s, length); | |
152 | for (ix = 0; VEC_iterate (mem_region_s, target_mem_region_list, ix, m); ix++) | |
153 | VEC_quick_push (mem_region_s, mem_region_list, m); | |
154 | } | |
155 | ||
156 | /* This function should be called before any command which would | |
157 | read the memory region list, other than those which call | |
158 | require_user_regions. It will handle fetching the | |
159 | target-provided list, if necessary. */ | |
160 | ||
161 | static void | |
162 | require_target_regions (void) | |
163 | { | |
164 | if (mem_use_target && !target_mem_regions_valid) | |
165 | { | |
166 | target_mem_regions_valid = 1; | |
167 | target_mem_region_list = target_memory_map (); | |
168 | mem_region_list = target_mem_region_list; | |
169 | } | |
170 | } | |
171 | ||
c96fc75e | 172 | static void |
29e57380 C |
173 | create_mem_region (CORE_ADDR lo, CORE_ADDR hi, |
174 | const struct mem_attrib *attrib) | |
175 | { | |
c96fc75e DJ |
176 | struct mem_region new; |
177 | int i, ix; | |
29e57380 | 178 | |
b6d1a1d5 | 179 | /* lo == hi is a useless empty region */ |
2b236d82 | 180 | if (lo >= hi && hi != 0) |
29e57380 | 181 | { |
a3f17187 | 182 | printf_unfiltered (_("invalid memory region: low >= high\n")); |
c96fc75e | 183 | return; |
29e57380 C |
184 | } |
185 | ||
fd79ecee | 186 | mem_region_init (&new); |
c96fc75e DJ |
187 | new.lo = lo; |
188 | new.hi = hi; | |
189 | ||
190 | ix = VEC_lower_bound (mem_region_s, mem_region_list, &new, | |
191 | mem_region_lessthan); | |
192 | ||
193 | /* Check for an overlapping memory region. We only need to check | |
194 | in the vicinity - at most one before and one after the | |
195 | insertion point. */ | |
196 | for (i = ix - 1; i < ix + 1; i++) | |
29e57380 | 197 | { |
c96fc75e DJ |
198 | struct mem_region *n; |
199 | ||
200 | if (i < 0) | |
201 | continue; | |
202 | if (i >= VEC_length (mem_region_s, mem_region_list)) | |
203 | continue; | |
204 | ||
205 | n = VEC_index (mem_region_s, mem_region_list, i); | |
206 | ||
2b236d82 DH |
207 | if ((lo >= n->lo && (lo < n->hi || n->hi == 0)) |
208 | || (hi > n->lo && (hi <= n->hi || n->hi == 0)) | |
209 | || (lo <= n->lo && (hi >= n->hi || hi == 0))) | |
29e57380 | 210 | { |
a3f17187 | 211 | printf_unfiltered (_("overlapping memory region\n")); |
c96fc75e | 212 | return; |
29e57380 C |
213 | } |
214 | } | |
215 | ||
c96fc75e | 216 | new.number = ++mem_number; |
c96fc75e DJ |
217 | new.attrib = *attrib; |
218 | VEC_safe_insert (mem_region_s, mem_region_list, ix, &new); | |
29e57380 C |
219 | } |
220 | ||
221 | /* | |
222 | * Look up the memory region cooresponding to ADDR. | |
223 | */ | |
224 | struct mem_region * | |
225 | lookup_mem_region (CORE_ADDR addr) | |
226 | { | |
227 | static struct mem_region region; | |
228 | struct mem_region *m; | |
229 | CORE_ADDR lo; | |
230 | CORE_ADDR hi; | |
c96fc75e | 231 | int ix; |
29e57380 | 232 | |
fd79ecee DJ |
233 | require_target_regions (); |
234 | ||
29e57380 C |
235 | /* First we initialize LO and HI so that they describe the entire |
236 | memory space. As we process the memory region chain, they are | |
237 | redefined to describe the minimal region containing ADDR. LO | |
238 | and HI are used in the case where no memory region is defined | |
239 | that contains ADDR. If a memory region is disabled, it is | |
a76d924d DJ |
240 | treated as if it does not exist. The initial values for LO |
241 | and HI represent the bottom and top of memory. */ | |
29e57380 | 242 | |
a76d924d DJ |
243 | lo = 0; |
244 | hi = 0; | |
29e57380 | 245 | |
4b5752d0 VP |
246 | /* Either find memory range containing ADDRESS, or set LO and HI |
247 | to the nearest boundaries of an existing memory range. | |
248 | ||
249 | If we ever want to support a huge list of memory regions, this | |
c96fc75e DJ |
250 | check should be replaced with a binary search (probably using |
251 | VEC_lower_bound). */ | |
252 | for (ix = 0; VEC_iterate (mem_region_s, mem_region_list, ix, m); ix++) | |
29e57380 | 253 | { |
b5de0fa7 | 254 | if (m->enabled_p == 1) |
29e57380 | 255 | { |
4b5752d0 | 256 | /* If the address is in the memory region, return that memory range. */ |
2b236d82 | 257 | if (addr >= m->lo && (addr < m->hi || m->hi == 0)) |
29e57380 C |
258 | return m; |
259 | ||
a76d924d DJ |
260 | /* This (correctly) won't match if m->hi == 0, representing |
261 | the top of the address space, because CORE_ADDR is unsigned; | |
262 | no value of LO is less than zero. */ | |
29e57380 C |
263 | if (addr >= m->hi && lo < m->hi) |
264 | lo = m->hi; | |
265 | ||
a76d924d DJ |
266 | /* This will never set HI to zero; if we're here and ADDR |
267 | is at or below M, and the region starts at zero, then ADDR | |
268 | would have been in the region. */ | |
269 | if (addr <= m->lo && (hi == 0 || hi > m->lo)) | |
29e57380 C |
270 | hi = m->lo; |
271 | } | |
272 | } | |
273 | ||
274 | /* Because no region was found, we must cons up one based on what | |
275 | was learned above. */ | |
276 | region.lo = lo; | |
277 | region.hi = hi; | |
4b5752d0 VP |
278 | |
279 | /* When no memory map is defined at all, we always return | |
280 | 'default_mem_attrib', so that we do not make all memory | |
281 | inaccessible for targets that don't provide a memory map. */ | |
282 | if (inaccessible_by_default && !VEC_empty (mem_region_s, mem_region_list)) | |
283 | region.attrib = unknown_mem_attrib; | |
284 | else | |
285 | region.attrib = default_mem_attrib; | |
286 | ||
29e57380 C |
287 | return ®ion; |
288 | } | |
fd79ecee DJ |
289 | |
290 | /* Invalidate any memory regions fetched from the target. */ | |
291 | ||
292 | void | |
293 | invalidate_target_mem_regions (void) | |
294 | { | |
fd79ecee DJ |
295 | if (!target_mem_regions_valid) |
296 | return; | |
297 | ||
298 | target_mem_regions_valid = 0; | |
299 | VEC_free (mem_region_s, target_mem_region_list); | |
300 | if (mem_use_target) | |
301 | mem_region_list = NULL; | |
302 | } | |
303 | ||
304 | /* Clear memory region list */ | |
305 | ||
306 | static void | |
307 | mem_clear (void) | |
308 | { | |
309 | VEC_free (mem_region_s, mem_region_list); | |
310 | } | |
29e57380 C |
311 | \f |
312 | ||
313 | static void | |
314 | mem_command (char *args, int from_tty) | |
315 | { | |
316 | CORE_ADDR lo, hi; | |
317 | char *tok; | |
318 | struct mem_attrib attrib; | |
319 | ||
320 | if (!args) | |
e2e0b3e5 | 321 | error_no_arg (_("No mem")); |
29e57380 | 322 | |
fd79ecee DJ |
323 | /* For "mem auto", switch back to using a target provided list. */ |
324 | if (strcmp (args, "auto") == 0) | |
325 | { | |
326 | if (mem_use_target) | |
327 | return; | |
328 | ||
329 | if (mem_region_list != target_mem_region_list) | |
330 | { | |
331 | mem_clear (); | |
332 | mem_region_list = target_mem_region_list; | |
333 | } | |
334 | ||
335 | mem_use_target = 1; | |
336 | return; | |
337 | } | |
338 | ||
339 | require_user_regions (from_tty); | |
340 | ||
29e57380 C |
341 | tok = strtok (args, " \t"); |
342 | if (!tok) | |
8a3fe4f8 | 343 | error (_("no lo address")); |
29e57380 C |
344 | lo = parse_and_eval_address (tok); |
345 | ||
346 | tok = strtok (NULL, " \t"); | |
347 | if (!tok) | |
8a3fe4f8 | 348 | error (_("no hi address")); |
29e57380 C |
349 | hi = parse_and_eval_address (tok); |
350 | ||
351 | attrib = default_mem_attrib; | |
352 | while ((tok = strtok (NULL, " \t")) != NULL) | |
353 | { | |
354 | if (strcmp (tok, "rw") == 0) | |
355 | attrib.mode = MEM_RW; | |
356 | else if (strcmp (tok, "ro") == 0) | |
357 | attrib.mode = MEM_RO; | |
358 | else if (strcmp (tok, "wo") == 0) | |
359 | attrib.mode = MEM_WO; | |
360 | ||
361 | else if (strcmp (tok, "8") == 0) | |
362 | attrib.width = MEM_WIDTH_8; | |
363 | else if (strcmp (tok, "16") == 0) | |
364 | { | |
365 | if ((lo % 2 != 0) || (hi % 2 != 0)) | |
8a3fe4f8 | 366 | error (_("region bounds not 16 bit aligned")); |
29e57380 C |
367 | attrib.width = MEM_WIDTH_16; |
368 | } | |
369 | else if (strcmp (tok, "32") == 0) | |
370 | { | |
371 | if ((lo % 4 != 0) || (hi % 4 != 0)) | |
8a3fe4f8 | 372 | error (_("region bounds not 32 bit aligned")); |
29e57380 C |
373 | attrib.width = MEM_WIDTH_32; |
374 | } | |
375 | else if (strcmp (tok, "64") == 0) | |
376 | { | |
377 | if ((lo % 8 != 0) || (hi % 8 != 0)) | |
8a3fe4f8 | 378 | error (_("region bounds not 64 bit aligned")); |
29e57380 C |
379 | attrib.width = MEM_WIDTH_64; |
380 | } | |
381 | ||
382 | #if 0 | |
383 | else if (strcmp (tok, "hwbreak") == 0) | |
81a9a963 | 384 | attrib.hwbreak = 1; |
29e57380 | 385 | else if (strcmp (tok, "swbreak") == 0) |
81a9a963 | 386 | attrib.hwbreak = 0; |
29e57380 C |
387 | #endif |
388 | ||
389 | else if (strcmp (tok, "cache") == 0) | |
81a9a963 | 390 | attrib.cache = 1; |
29e57380 | 391 | else if (strcmp (tok, "nocache") == 0) |
81a9a963 | 392 | attrib.cache = 0; |
29e57380 C |
393 | |
394 | #if 0 | |
395 | else if (strcmp (tok, "verify") == 0) | |
81a9a963 | 396 | attrib.verify = 1; |
29e57380 | 397 | else if (strcmp (tok, "noverify") == 0) |
81a9a963 | 398 | attrib.verify = 0; |
29e57380 C |
399 | #endif |
400 | ||
401 | else | |
8a3fe4f8 | 402 | error (_("unknown attribute: %s"), tok); |
29e57380 C |
403 | } |
404 | ||
405 | create_mem_region (lo, hi, &attrib); | |
406 | } | |
407 | \f | |
408 | ||
409 | static void | |
410 | mem_info_command (char *args, int from_tty) | |
411 | { | |
412 | struct mem_region *m; | |
413 | struct mem_attrib *attrib; | |
c96fc75e | 414 | int ix; |
29e57380 | 415 | |
fd79ecee DJ |
416 | if (mem_use_target) |
417 | printf_filtered (_("Using memory regions provided by the target.\n")); | |
418 | else | |
419 | printf_filtered (_("Using user-defined memory regions.\n")); | |
420 | ||
421 | require_target_regions (); | |
422 | ||
c96fc75e | 423 | if (!mem_region_list) |
29e57380 | 424 | { |
a3f17187 | 425 | printf_unfiltered (_("There are no memory regions defined.\n")); |
29e57380 C |
426 | return; |
427 | } | |
428 | ||
ab35b611 EZ |
429 | printf_filtered ("Num "); |
430 | printf_filtered ("Enb "); | |
431 | printf_filtered ("Low Addr "); | |
a97b0ac8 | 432 | if (gdbarch_addr_bit (target_gdbarch) > 32) |
ab35b611 EZ |
433 | printf_filtered (" "); |
434 | printf_filtered ("High Addr "); | |
a97b0ac8 | 435 | if (gdbarch_addr_bit (target_gdbarch) > 32) |
ab35b611 EZ |
436 | printf_filtered (" "); |
437 | printf_filtered ("Attrs "); | |
438 | printf_filtered ("\n"); | |
439 | ||
c96fc75e | 440 | for (ix = 0; VEC_iterate (mem_region_s, mem_region_list, ix, m); ix++) |
29e57380 | 441 | { |
ab35b611 | 442 | char *tmp; |
b8d56208 | 443 | |
ab35b611 | 444 | printf_filtered ("%-3d %-3c\t", |
29e57380 | 445 | m->number, |
b5de0fa7 | 446 | m->enabled_p ? 'y' : 'n'); |
a97b0ac8 | 447 | if (gdbarch_addr_bit (target_gdbarch) <= 32) |
bb599908 | 448 | tmp = hex_string_custom ((unsigned long) m->lo, 8); |
ab35b611 | 449 | else |
bb599908 | 450 | tmp = hex_string_custom ((unsigned long) m->lo, 16); |
ab35b611 EZ |
451 | |
452 | printf_filtered ("%s ", tmp); | |
2b236d82 | 453 | |
a97b0ac8 | 454 | if (gdbarch_addr_bit (target_gdbarch) <= 32) |
2163ab9d | 455 | { |
b8d56208 MS |
456 | if (m->hi == 0) |
457 | tmp = "0x100000000"; | |
458 | else | |
459 | tmp = hex_string_custom ((unsigned long) m->hi, 8); | |
2163ab9d | 460 | } |
ab35b611 | 461 | else |
2163ab9d | 462 | { |
b8d56208 MS |
463 | if (m->hi == 0) |
464 | tmp = "0x10000000000000000"; | |
465 | else | |
466 | tmp = hex_string_custom ((unsigned long) m->hi, 16); | |
2163ab9d DH |
467 | } |
468 | ||
ab35b611 | 469 | printf_filtered ("%s ", tmp); |
29e57380 C |
470 | |
471 | /* Print a token for each attribute. | |
472 | ||
473 | * FIXME: Should we output a comma after each token? It may | |
474 | * make it easier for users to read, but we'd lose the ability | |
475 | * to cut-and-paste the list of attributes when defining a new | |
476 | * region. Perhaps that is not important. | |
477 | * | |
478 | * FIXME: If more attributes are added to GDB, the output may | |
479 | * become cluttered and difficult for users to read. At that | |
480 | * time, we may want to consider printing tokens only if they | |
481 | * are different from the default attribute. */ | |
482 | ||
483 | attrib = &m->attrib; | |
484 | switch (attrib->mode) | |
485 | { | |
486 | case MEM_RW: | |
487 | printf_filtered ("rw "); | |
488 | break; | |
489 | case MEM_RO: | |
490 | printf_filtered ("ro "); | |
491 | break; | |
492 | case MEM_WO: | |
493 | printf_filtered ("wo "); | |
494 | break; | |
fd79ecee DJ |
495 | case MEM_FLASH: |
496 | printf_filtered ("flash blocksize 0x%x ", attrib->blocksize); | |
497 | break; | |
29e57380 C |
498 | } |
499 | ||
500 | switch (attrib->width) | |
501 | { | |
502 | case MEM_WIDTH_8: | |
503 | printf_filtered ("8 "); | |
504 | break; | |
505 | case MEM_WIDTH_16: | |
506 | printf_filtered ("16 "); | |
507 | break; | |
508 | case MEM_WIDTH_32: | |
509 | printf_filtered ("32 "); | |
510 | break; | |
511 | case MEM_WIDTH_64: | |
512 | printf_filtered ("64 "); | |
513 | break; | |
514 | case MEM_WIDTH_UNSPECIFIED: | |
515 | break; | |
516 | } | |
517 | ||
518 | #if 0 | |
519 | if (attrib->hwbreak) | |
520 | printf_filtered ("hwbreak"); | |
521 | else | |
522 | printf_filtered ("swbreak"); | |
523 | #endif | |
524 | ||
525 | if (attrib->cache) | |
526 | printf_filtered ("cache "); | |
527 | else | |
528 | printf_filtered ("nocache "); | |
529 | ||
530 | #if 0 | |
531 | if (attrib->verify) | |
532 | printf_filtered ("verify "); | |
533 | else | |
534 | printf_filtered ("noverify "); | |
535 | #endif | |
536 | ||
537 | printf_filtered ("\n"); | |
538 | ||
539 | gdb_flush (gdb_stdout); | |
540 | } | |
541 | } | |
542 | \f | |
543 | ||
544 | /* Enable the memory region number NUM. */ | |
545 | ||
546 | static void | |
547 | mem_enable (int num) | |
548 | { | |
549 | struct mem_region *m; | |
c96fc75e | 550 | int ix; |
29e57380 | 551 | |
c96fc75e | 552 | for (ix = 0; VEC_iterate (mem_region_s, mem_region_list, ix, m); ix++) |
29e57380 C |
553 | if (m->number == num) |
554 | { | |
b5de0fa7 | 555 | m->enabled_p = 1; |
29e57380 C |
556 | return; |
557 | } | |
a3f17187 | 558 | printf_unfiltered (_("No memory region number %d.\n"), num); |
29e57380 C |
559 | } |
560 | ||
561 | static void | |
562 | mem_enable_command (char *args, int from_tty) | |
563 | { | |
564 | char *p = args; | |
565 | char *p1; | |
566 | int num; | |
567 | struct mem_region *m; | |
c96fc75e | 568 | int ix; |
29e57380 | 569 | |
fd79ecee DJ |
570 | require_user_regions (from_tty); |
571 | ||
4e5d721f | 572 | target_dcache_invalidate (); |
29e57380 C |
573 | |
574 | if (p == 0) | |
575 | { | |
c96fc75e | 576 | for (ix = 0; VEC_iterate (mem_region_s, mem_region_list, ix, m); ix++) |
b5de0fa7 | 577 | m->enabled_p = 1; |
29e57380 C |
578 | } |
579 | else | |
580 | while (*p) | |
581 | { | |
582 | p1 = p; | |
583 | while (*p1 >= '0' && *p1 <= '9') | |
584 | p1++; | |
585 | if (*p1 && *p1 != ' ' && *p1 != '\t') | |
8a3fe4f8 | 586 | error (_("Arguments must be memory region numbers.")); |
29e57380 C |
587 | |
588 | num = atoi (p); | |
589 | mem_enable (num); | |
590 | ||
591 | p = p1; | |
592 | while (*p == ' ' || *p == '\t') | |
593 | p++; | |
594 | } | |
595 | } | |
596 | \f | |
597 | ||
598 | /* Disable the memory region number NUM. */ | |
599 | ||
600 | static void | |
601 | mem_disable (int num) | |
602 | { | |
603 | struct mem_region *m; | |
c96fc75e | 604 | int ix; |
29e57380 | 605 | |
c96fc75e | 606 | for (ix = 0; VEC_iterate (mem_region_s, mem_region_list, ix, m); ix++) |
29e57380 C |
607 | if (m->number == num) |
608 | { | |
b5de0fa7 | 609 | m->enabled_p = 0; |
29e57380 C |
610 | return; |
611 | } | |
a3f17187 | 612 | printf_unfiltered (_("No memory region number %d.\n"), num); |
29e57380 C |
613 | } |
614 | ||
615 | static void | |
616 | mem_disable_command (char *args, int from_tty) | |
617 | { | |
618 | char *p = args; | |
619 | char *p1; | |
620 | int num; | |
621 | struct mem_region *m; | |
c96fc75e | 622 | int ix; |
29e57380 | 623 | |
fd79ecee DJ |
624 | require_user_regions (from_tty); |
625 | ||
4e5d721f | 626 | target_dcache_invalidate (); |
29e57380 C |
627 | |
628 | if (p == 0) | |
629 | { | |
c96fc75e | 630 | for (ix = 0; VEC_iterate (mem_region_s, mem_region_list, ix, m); ix++) |
b5de0fa7 | 631 | m->enabled_p = 0; |
29e57380 C |
632 | } |
633 | else | |
634 | while (*p) | |
635 | { | |
636 | p1 = p; | |
637 | while (*p1 >= '0' && *p1 <= '9') | |
638 | p1++; | |
639 | if (*p1 && *p1 != ' ' && *p1 != '\t') | |
8a3fe4f8 | 640 | error (_("Arguments must be memory region numbers.")); |
29e57380 C |
641 | |
642 | num = atoi (p); | |
643 | mem_disable (num); | |
644 | ||
645 | p = p1; | |
646 | while (*p == ' ' || *p == '\t') | |
647 | p++; | |
648 | } | |
649 | } | |
650 | ||
29e57380 C |
651 | /* Delete the memory region number NUM. */ |
652 | ||
653 | static void | |
654 | mem_delete (int num) | |
655 | { | |
6b4398f7 | 656 | struct mem_region *m; |
c96fc75e | 657 | int ix; |
29e57380 | 658 | |
c96fc75e | 659 | if (!mem_region_list) |
29e57380 | 660 | { |
a3f17187 | 661 | printf_unfiltered (_("No memory region number %d.\n"), num); |
29e57380 C |
662 | return; |
663 | } | |
664 | ||
c96fc75e DJ |
665 | for (ix = 0; VEC_iterate (mem_region_s, mem_region_list, ix, m); ix++) |
666 | if (m->number == num) | |
667 | break; | |
668 | ||
669 | if (m == NULL) | |
29e57380 | 670 | { |
c96fc75e DJ |
671 | printf_unfiltered (_("No memory region number %d.\n"), num); |
672 | return; | |
29e57380 | 673 | } |
c96fc75e DJ |
674 | |
675 | VEC_ordered_remove (mem_region_s, mem_region_list, ix); | |
29e57380 C |
676 | } |
677 | ||
678 | static void | |
679 | mem_delete_command (char *args, int from_tty) | |
680 | { | |
681 | char *p = args; | |
682 | char *p1; | |
683 | int num; | |
684 | ||
fd79ecee DJ |
685 | require_user_regions (from_tty); |
686 | ||
4e5d721f | 687 | target_dcache_invalidate (); |
29e57380 C |
688 | |
689 | if (p == 0) | |
690 | { | |
9e2f0ad4 | 691 | if (query (_("Delete all memory regions? "))) |
29e57380 C |
692 | mem_clear (); |
693 | dont_repeat (); | |
694 | return; | |
695 | } | |
696 | ||
697 | while (*p) | |
698 | { | |
699 | p1 = p; | |
700 | while (*p1 >= '0' && *p1 <= '9') | |
701 | p1++; | |
702 | if (*p1 && *p1 != ' ' && *p1 != '\t') | |
8a3fe4f8 | 703 | error (_("Arguments must be memory region numbers.")); |
29e57380 C |
704 | |
705 | num = atoi (p); | |
706 | mem_delete (num); | |
707 | ||
708 | p = p1; | |
709 | while (*p == ' ' || *p == '\t') | |
710 | p++; | |
711 | } | |
712 | ||
713 | dont_repeat (); | |
714 | } | |
4b5752d0 VP |
715 | |
716 | static void | |
717 | dummy_cmd (char *args, int from_tty) | |
718 | { | |
719 | } | |
29e57380 | 720 | \f |
b9362cc7 AC |
721 | extern initialize_file_ftype _initialize_mem; /* -Wmissing-prototype */ |
722 | ||
4b5752d0 VP |
723 | static struct cmd_list_element *mem_set_cmdlist; |
724 | static struct cmd_list_element *mem_show_cmdlist; | |
725 | ||
29e57380 | 726 | void |
5ae5f592 | 727 | _initialize_mem (void) |
29e57380 | 728 | { |
1bedd215 | 729 | add_com ("mem", class_vars, mem_command, _("\ |
fd79ecee DJ |
730 | Define attributes for memory region or reset memory region handling to\n\ |
731 | target-based.\n\ | |
732 | Usage: mem auto\n\ | |
cce7e648 PA |
733 | mem <lo addr> <hi addr> [<mode> <width> <cache>],\n\ |
734 | where <mode> may be rw (read/write), ro (read-only) or wo (write-only),\n\ | |
735 | <width> may be 8, 16, 32, or 64, and\n\ | |
1bedd215 | 736 | <cache> may be cache or nocache")); |
29e57380 | 737 | |
1a966eab AC |
738 | add_cmd ("mem", class_vars, mem_enable_command, _("\ |
739 | Enable memory region.\n\ | |
29e57380 | 740 | Arguments are the code numbers of the memory regions to enable.\n\ |
ab35b611 | 741 | Usage: enable mem <code number>\n\ |
1a966eab | 742 | Do \"info mem\" to see current list of code numbers."), &enablelist); |
29e57380 | 743 | |
1a966eab AC |
744 | add_cmd ("mem", class_vars, mem_disable_command, _("\ |
745 | Disable memory region.\n\ | |
29e57380 | 746 | Arguments are the code numbers of the memory regions to disable.\n\ |
ab35b611 | 747 | Usage: disable mem <code number>\n\ |
1a966eab | 748 | Do \"info mem\" to see current list of code numbers."), &disablelist); |
29e57380 | 749 | |
1a966eab AC |
750 | add_cmd ("mem", class_vars, mem_delete_command, _("\ |
751 | Delete memory region.\n\ | |
29e57380 | 752 | Arguments are the code numbers of the memory regions to delete.\n\ |
ab35b611 | 753 | Usage: delete mem <code number>\n\ |
1a966eab | 754 | Do \"info mem\" to see current list of code numbers."), &deletelist); |
29e57380 C |
755 | |
756 | add_info ("mem", mem_info_command, | |
1bedd215 | 757 | _("Memory region attributes")); |
4b5752d0 VP |
758 | |
759 | add_prefix_cmd ("mem", class_vars, dummy_cmd, _("\ | |
760 | Memory regions settings"), | |
761 | &mem_set_cmdlist, "set mem ", | |
762 | 0/* allow-unknown */, &setlist); | |
763 | add_prefix_cmd ("mem", class_vars, dummy_cmd, _("\ | |
764 | Memory regions settings"), | |
765 | &mem_show_cmdlist, "show mem ", | |
766 | 0/* allow-unknown */, &showlist); | |
767 | ||
768 | add_setshow_boolean_cmd ("inaccessible-by-default", no_class, | |
769 | &inaccessible_by_default, _("\ | |
770 | Set handling of unknown memory regions."), _("\ | |
771 | Show handling of unknown memory regions."), _("\ | |
772 | If on, and some memory map is defined, debugger will emit errors on\n\ | |
773 | accesses to memory not defined in the memory map. If off, accesses to all\n\ | |
774 | memory addresses will be allowed."), | |
775 | NULL, | |
776 | show_inaccessible_by_default, | |
777 | &mem_set_cmdlist, | |
778 | &mem_show_cmdlist); | |
29e57380 | 779 | } |