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Commit | Line | Data |
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5fe141fd FB |
1 | /* |
2 | * QEMU Executable loader | |
5fafdf24 | 3 | * |
5fe141fd | 4 | * Copyright (c) 2006 Fabrice Bellard |
5fafdf24 | 5 | * |
5fe141fd FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
5a123577 AL |
23 | * |
24 | * Gunzip functionality in this file is derived from u-boot: | |
25 | * | |
26 | * (C) Copyright 2008 Semihalf | |
27 | * | |
28 | * (C) Copyright 2000-2005 | |
29 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
30 | * | |
31 | * This program is free software; you can redistribute it and/or | |
32 | * modify it under the terms of the GNU General Public License as | |
33 | * published by the Free Software Foundation; either version 2 of | |
34 | * the License, or (at your option) any later version. | |
35 | * | |
36 | * This program is distributed in the hope that it will be useful, | |
37 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
38 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
39 | * GNU General Public License for more details. | |
40 | * | |
fad6cb1a | 41 | * You should have received a copy of the GNU General Public License along |
8167ee88 | 42 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
5fe141fd | 43 | */ |
5a123577 | 44 | |
18c86e2b | 45 | #include "qemu/osdep.h" |
da34e65c | 46 | #include "qapi/error.h" |
83c9f4ca | 47 | #include "hw/hw.h" |
76cad711 | 48 | #include "disas/disas.h" |
83c9089e | 49 | #include "monitor/monitor.h" |
9c17d615 | 50 | #include "sysemu/sysemu.h" |
47b43a1f | 51 | #include "uboot_image.h" |
83c9f4ca | 52 | #include "hw/loader.h" |
0d09e41a | 53 | #include "hw/nvram/fw_cfg.h" |
022c62cb PB |
54 | #include "exec/memory.h" |
55 | #include "exec/address-spaces.h" | |
71ae9e94 | 56 | #include "hw/boards.h" |
f348b6d1 | 57 | #include "qemu/cutils.h" |
5fe141fd | 58 | |
5a123577 AL |
59 | #include <zlib.h> |
60 | ||
97fe84f5 PB |
61 | static int roms_loaded; |
62 | ||
5fe141fd FB |
63 | /* return the size or -1 if error */ |
64 | int get_image_size(const char *filename) | |
65 | { | |
66 | int fd, size; | |
67 | fd = open(filename, O_RDONLY | O_BINARY); | |
68 | if (fd < 0) | |
69 | return -1; | |
70 | size = lseek(fd, 0, SEEK_END); | |
71 | close(fd); | |
72 | return size; | |
73 | } | |
74 | ||
75 | /* return the size or -1 if error */ | |
293f78bc | 76 | /* deprecated, because caller does not specify buffer size! */ |
5fe141fd FB |
77 | int load_image(const char *filename, uint8_t *addr) |
78 | { | |
79 | int fd, size; | |
80 | fd = open(filename, O_RDONLY | O_BINARY); | |
81 | if (fd < 0) | |
82 | return -1; | |
83 | size = lseek(fd, 0, SEEK_END); | |
ddd2eab7 GA |
84 | if (size == -1) { |
85 | fprintf(stderr, "file %-20s: get size error: %s\n", | |
86 | filename, strerror(errno)); | |
87 | close(fd); | |
88 | return -1; | |
89 | } | |
90 | ||
5fe141fd FB |
91 | lseek(fd, 0, SEEK_SET); |
92 | if (read(fd, addr, size) != size) { | |
93 | close(fd); | |
94 | return -1; | |
95 | } | |
96 | close(fd); | |
97 | return size; | |
98 | } | |
99 | ||
ea87616d BH |
100 | /* return the size or -1 if error */ |
101 | ssize_t load_image_size(const char *filename, void *addr, size_t size) | |
102 | { | |
103 | int fd; | |
104 | ssize_t actsize; | |
105 | ||
106 | fd = open(filename, O_RDONLY | O_BINARY); | |
107 | if (fd < 0) { | |
108 | return -1; | |
109 | } | |
110 | ||
111 | actsize = read(fd, addr, size); | |
112 | if (actsize < 0) { | |
113 | close(fd); | |
114 | return -1; | |
115 | } | |
116 | close(fd); | |
117 | ||
118 | return actsize; | |
119 | } | |
120 | ||
293f78bc | 121 | /* read()-like version */ |
725e14e9 | 122 | ssize_t read_targphys(const char *name, |
a8170e5e | 123 | int fd, hwaddr dst_addr, size_t nbytes) |
293f78bc | 124 | { |
45a50b16 | 125 | uint8_t *buf; |
725e14e9 | 126 | ssize_t did; |
45a50b16 | 127 | |
7267c094 | 128 | buf = g_malloc(nbytes); |
45a50b16 GH |
129 | did = read(fd, buf, nbytes); |
130 | if (did > 0) | |
131 | rom_add_blob_fixed("read", buf, did, dst_addr); | |
7267c094 | 132 | g_free(buf); |
45a50b16 | 133 | return did; |
293f78bc BS |
134 | } |
135 | ||
136 | /* return the size or -1 if error */ | |
137 | int load_image_targphys(const char *filename, | |
a8170e5e | 138 | hwaddr addr, uint64_t max_sz) |
293f78bc | 139 | { |
45a50b16 | 140 | int size; |
293f78bc | 141 | |
45a50b16 | 142 | size = get_image_size(filename); |
17df768c BH |
143 | if (size > max_sz) { |
144 | return -1; | |
145 | } | |
146 | if (size > 0) { | |
2e55e842 | 147 | rom_add_file_fixed(filename, addr, -1); |
17df768c | 148 | } |
45a50b16 | 149 | return size; |
293f78bc BS |
150 | } |
151 | ||
76151cac PM |
152 | int load_image_mr(const char *filename, MemoryRegion *mr) |
153 | { | |
154 | int size; | |
155 | ||
156 | if (!memory_access_is_direct(mr, false)) { | |
157 | /* Can only load an image into RAM or ROM */ | |
158 | return -1; | |
159 | } | |
160 | ||
161 | size = get_image_size(filename); | |
162 | ||
163 | if (size > memory_region_size(mr)) { | |
164 | return -1; | |
165 | } | |
166 | if (size > 0) { | |
167 | if (rom_add_file_mr(filename, mr, -1) < 0) { | |
168 | return -1; | |
169 | } | |
170 | } | |
171 | return size; | |
172 | } | |
173 | ||
a8170e5e | 174 | void pstrcpy_targphys(const char *name, hwaddr dest, int buf_size, |
293f78bc BS |
175 | const char *source) |
176 | { | |
293f78bc | 177 | const char *nulp; |
3c178e72 | 178 | char *ptr; |
293f78bc BS |
179 | |
180 | if (buf_size <= 0) return; | |
181 | nulp = memchr(source, 0, buf_size); | |
182 | if (nulp) { | |
3c178e72 | 183 | rom_add_blob_fixed(name, source, (nulp - source) + 1, dest); |
293f78bc | 184 | } else { |
3c178e72 GH |
185 | rom_add_blob_fixed(name, source, buf_size, dest); |
186 | ptr = rom_ptr(dest + buf_size - 1); | |
187 | *ptr = 0; | |
293f78bc BS |
188 | } |
189 | } | |
190 | ||
5fe141fd FB |
191 | /* A.OUT loader */ |
192 | ||
193 | struct exec | |
194 | { | |
195 | uint32_t a_info; /* Use macros N_MAGIC, etc for access */ | |
196 | uint32_t a_text; /* length of text, in bytes */ | |
197 | uint32_t a_data; /* length of data, in bytes */ | |
198 | uint32_t a_bss; /* length of uninitialized data area, in bytes */ | |
199 | uint32_t a_syms; /* length of symbol table data in file, in bytes */ | |
200 | uint32_t a_entry; /* start address */ | |
201 | uint32_t a_trsize; /* length of relocation info for text, in bytes */ | |
202 | uint32_t a_drsize; /* length of relocation info for data, in bytes */ | |
203 | }; | |
204 | ||
5fe141fd FB |
205 | static void bswap_ahdr(struct exec *e) |
206 | { | |
207 | bswap32s(&e->a_info); | |
208 | bswap32s(&e->a_text); | |
209 | bswap32s(&e->a_data); | |
210 | bswap32s(&e->a_bss); | |
211 | bswap32s(&e->a_syms); | |
212 | bswap32s(&e->a_entry); | |
213 | bswap32s(&e->a_trsize); | |
214 | bswap32s(&e->a_drsize); | |
215 | } | |
5fe141fd FB |
216 | |
217 | #define N_MAGIC(exec) ((exec).a_info & 0xffff) | |
218 | #define OMAGIC 0407 | |
219 | #define NMAGIC 0410 | |
220 | #define ZMAGIC 0413 | |
221 | #define QMAGIC 0314 | |
222 | #define _N_HDROFF(x) (1024 - sizeof (struct exec)) | |
223 | #define N_TXTOFF(x) \ | |
224 | (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ | |
225 | (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) | |
ca20cf32 BS |
226 | #define N_TXTADDR(x, target_page_size) (N_MAGIC(x) == QMAGIC ? target_page_size : 0) |
227 | #define _N_SEGMENT_ROUND(x, target_page_size) (((x) + target_page_size - 1) & ~(target_page_size - 1)) | |
5fe141fd | 228 | |
ca20cf32 | 229 | #define _N_TXTENDADDR(x, target_page_size) (N_TXTADDR(x, target_page_size)+(x).a_text) |
5fe141fd | 230 | |
ca20cf32 BS |
231 | #define N_DATADDR(x, target_page_size) \ |
232 | (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x, target_page_size)) \ | |
233 | : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x, target_page_size), target_page_size))) | |
5fe141fd FB |
234 | |
235 | ||
a8170e5e AK |
236 | int load_aout(const char *filename, hwaddr addr, int max_sz, |
237 | int bswap_needed, hwaddr target_page_size) | |
5fe141fd | 238 | { |
725e14e9 MA |
239 | int fd; |
240 | ssize_t size, ret; | |
5fe141fd FB |
241 | struct exec e; |
242 | uint32_t magic; | |
243 | ||
244 | fd = open(filename, O_RDONLY | O_BINARY); | |
245 | if (fd < 0) | |
246 | return -1; | |
247 | ||
248 | size = read(fd, &e, sizeof(e)); | |
249 | if (size < 0) | |
250 | goto fail; | |
251 | ||
ca20cf32 BS |
252 | if (bswap_needed) { |
253 | bswap_ahdr(&e); | |
254 | } | |
5fe141fd FB |
255 | |
256 | magic = N_MAGIC(e); | |
257 | switch (magic) { | |
258 | case ZMAGIC: | |
259 | case QMAGIC: | |
260 | case OMAGIC: | |
293f78bc BS |
261 | if (e.a_text + e.a_data > max_sz) |
262 | goto fail; | |
5fe141fd | 263 | lseek(fd, N_TXTOFF(e), SEEK_SET); |
45a50b16 | 264 | size = read_targphys(filename, fd, addr, e.a_text + e.a_data); |
5fe141fd FB |
265 | if (size < 0) |
266 | goto fail; | |
267 | break; | |
268 | case NMAGIC: | |
ca20cf32 | 269 | if (N_DATADDR(e, target_page_size) + e.a_data > max_sz) |
293f78bc | 270 | goto fail; |
5fe141fd | 271 | lseek(fd, N_TXTOFF(e), SEEK_SET); |
45a50b16 | 272 | size = read_targphys(filename, fd, addr, e.a_text); |
5fe141fd FB |
273 | if (size < 0) |
274 | goto fail; | |
45a50b16 | 275 | ret = read_targphys(filename, fd, addr + N_DATADDR(e, target_page_size), |
ca20cf32 | 276 | e.a_data); |
5fe141fd FB |
277 | if (ret < 0) |
278 | goto fail; | |
279 | size += ret; | |
280 | break; | |
281 | default: | |
282 | goto fail; | |
283 | } | |
284 | close(fd); | |
285 | return size; | |
286 | fail: | |
287 | close(fd); | |
288 | return -1; | |
289 | } | |
290 | ||
291 | /* ELF loader */ | |
292 | ||
6cbfb86f | 293 | static void *load_at(int fd, off_t offset, size_t size) |
5fe141fd FB |
294 | { |
295 | void *ptr; | |
296 | if (lseek(fd, offset, SEEK_SET) < 0) | |
297 | return NULL; | |
7267c094 | 298 | ptr = g_malloc(size); |
5fe141fd | 299 | if (read(fd, ptr, size) != size) { |
7267c094 | 300 | g_free(ptr); |
5fe141fd FB |
301 | return NULL; |
302 | } | |
303 | return ptr; | |
304 | } | |
305 | ||
3efa9a67 | 306 | #ifdef ELF_CLASS |
307 | #undef ELF_CLASS | |
308 | #endif | |
5fe141fd FB |
309 | |
310 | #define ELF_CLASS ELFCLASS32 | |
311 | #include "elf.h" | |
312 | ||
313 | #define SZ 32 | |
314 | #define elf_word uint32_t | |
82790064 | 315 | #define elf_sword int32_t |
5fe141fd | 316 | #define bswapSZs bswap32s |
83c9f4ca | 317 | #include "hw/elf_ops.h" |
5fe141fd FB |
318 | |
319 | #undef elfhdr | |
320 | #undef elf_phdr | |
321 | #undef elf_shdr | |
322 | #undef elf_sym | |
5dce07e1 | 323 | #undef elf_rela |
5fe141fd FB |
324 | #undef elf_note |
325 | #undef elf_word | |
82790064 | 326 | #undef elf_sword |
5fe141fd FB |
327 | #undef bswapSZs |
328 | #undef SZ | |
329 | #define elfhdr elf64_hdr | |
330 | #define elf_phdr elf64_phdr | |
331 | #define elf_note elf64_note | |
332 | #define elf_shdr elf64_shdr | |
333 | #define elf_sym elf64_sym | |
5dce07e1 | 334 | #define elf_rela elf64_rela |
5fe141fd | 335 | #define elf_word uint64_t |
82790064 | 336 | #define elf_sword int64_t |
5fe141fd FB |
337 | #define bswapSZs bswap64s |
338 | #define SZ 64 | |
83c9f4ca | 339 | #include "hw/elf_ops.h" |
5fe141fd | 340 | |
18674b26 AK |
341 | const char *load_elf_strerror(int error) |
342 | { | |
343 | switch (error) { | |
344 | case 0: | |
345 | return "No error"; | |
346 | case ELF_LOAD_FAILED: | |
347 | return "Failed to load ELF"; | |
348 | case ELF_LOAD_NOT_ELF: | |
349 | return "The image is not ELF"; | |
350 | case ELF_LOAD_WRONG_ARCH: | |
351 | return "The image is from incompatible architecture"; | |
352 | case ELF_LOAD_WRONG_ENDIAN: | |
353 | return "The image has incorrect endianness"; | |
354 | default: | |
355 | return "Unknown error"; | |
356 | } | |
357 | } | |
358 | ||
04ae712a PC |
359 | void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp) |
360 | { | |
361 | int fd; | |
362 | uint8_t e_ident_local[EI_NIDENT]; | |
363 | uint8_t *e_ident; | |
364 | size_t hdr_size, off; | |
365 | bool is64l; | |
366 | ||
367 | if (!hdr) { | |
368 | hdr = e_ident_local; | |
369 | } | |
370 | e_ident = hdr; | |
371 | ||
372 | fd = open(filename, O_RDONLY | O_BINARY); | |
373 | if (fd < 0) { | |
374 | error_setg_errno(errp, errno, "Failed to open file: %s", filename); | |
375 | return; | |
376 | } | |
377 | if (read(fd, hdr, EI_NIDENT) != EI_NIDENT) { | |
378 | error_setg_errno(errp, errno, "Failed to read file: %s", filename); | |
379 | goto fail; | |
380 | } | |
381 | if (e_ident[0] != ELFMAG0 || | |
382 | e_ident[1] != ELFMAG1 || | |
383 | e_ident[2] != ELFMAG2 || | |
384 | e_ident[3] != ELFMAG3) { | |
385 | error_setg(errp, "Bad ELF magic"); | |
386 | goto fail; | |
387 | } | |
388 | ||
389 | is64l = e_ident[EI_CLASS] == ELFCLASS64; | |
390 | hdr_size = is64l ? sizeof(Elf64_Ehdr) : sizeof(Elf32_Ehdr); | |
391 | if (is64) { | |
392 | *is64 = is64l; | |
393 | } | |
394 | ||
395 | off = EI_NIDENT; | |
396 | while (hdr != e_ident_local && off < hdr_size) { | |
397 | size_t br = read(fd, hdr + off, hdr_size - off); | |
398 | switch (br) { | |
399 | case 0: | |
400 | error_setg(errp, "File too short: %s", filename); | |
401 | goto fail; | |
402 | case -1: | |
403 | error_setg_errno(errp, errno, "Failed to read file: %s", | |
404 | filename); | |
405 | goto fail; | |
406 | } | |
407 | off += br; | |
408 | } | |
409 | ||
410 | fail: | |
411 | close(fd); | |
412 | } | |
413 | ||
5fe141fd | 414 | /* return < 0 if error, otherwise the number of bytes loaded in memory */ |
409dbce5 AJ |
415 | int load_elf(const char *filename, uint64_t (*translate_fn)(void *, uint64_t), |
416 | void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, | |
7ef295ea PC |
417 | uint64_t *highaddr, int big_endian, int elf_machine, |
418 | int clear_lsb, int data_swab) | |
5fe141fd | 419 | { |
18674b26 | 420 | int fd, data_order, target_data_order, must_swab, ret = ELF_LOAD_FAILED; |
5fe141fd FB |
421 | uint8_t e_ident[EI_NIDENT]; |
422 | ||
699e4642 | 423 | fd = open(filename, O_RDONLY | O_BINARY); |
5fe141fd FB |
424 | if (fd < 0) { |
425 | perror(filename); | |
426 | return -1; | |
427 | } | |
428 | if (read(fd, e_ident, sizeof(e_ident)) != sizeof(e_ident)) | |
429 | goto fail; | |
430 | if (e_ident[0] != ELFMAG0 || | |
431 | e_ident[1] != ELFMAG1 || | |
432 | e_ident[2] != ELFMAG2 || | |
18674b26 AK |
433 | e_ident[3] != ELFMAG3) { |
434 | ret = ELF_LOAD_NOT_ELF; | |
5fe141fd | 435 | goto fail; |
18674b26 | 436 | } |
e2542fe2 | 437 | #ifdef HOST_WORDS_BIGENDIAN |
5fe141fd FB |
438 | data_order = ELFDATA2MSB; |
439 | #else | |
440 | data_order = ELFDATA2LSB; | |
441 | #endif | |
442 | must_swab = data_order != e_ident[EI_DATA]; | |
ca20cf32 BS |
443 | if (big_endian) { |
444 | target_data_order = ELFDATA2MSB; | |
445 | } else { | |
446 | target_data_order = ELFDATA2LSB; | |
447 | } | |
9042c0e2 | 448 | |
cedf9a6f | 449 | if (target_data_order != e_ident[EI_DATA]) { |
18674b26 | 450 | ret = ELF_LOAD_WRONG_ENDIAN; |
cedf9a6f BS |
451 | goto fail; |
452 | } | |
9042c0e2 | 453 | |
5fe141fd FB |
454 | lseek(fd, 0, SEEK_SET); |
455 | if (e_ident[EI_CLASS] == ELFCLASS64) { | |
409dbce5 | 456 | ret = load_elf64(filename, fd, translate_fn, translate_opaque, must_swab, |
7ef295ea PC |
457 | pentry, lowaddr, highaddr, elf_machine, clear_lsb, |
458 | data_swab); | |
5fe141fd | 459 | } else { |
409dbce5 | 460 | ret = load_elf32(filename, fd, translate_fn, translate_opaque, must_swab, |
7ef295ea PC |
461 | pentry, lowaddr, highaddr, elf_machine, clear_lsb, |
462 | data_swab); | |
5fe141fd FB |
463 | } |
464 | ||
5fe141fd FB |
465 | fail: |
466 | close(fd); | |
18674b26 | 467 | return ret; |
5fe141fd | 468 | } |
1c7b3754 | 469 | |
c227f099 | 470 | static void bswap_uboot_header(uboot_image_header_t *hdr) |
1c7b3754 | 471 | { |
e2542fe2 | 472 | #ifndef HOST_WORDS_BIGENDIAN |
1c7b3754 PB |
473 | bswap32s(&hdr->ih_magic); |
474 | bswap32s(&hdr->ih_hcrc); | |
475 | bswap32s(&hdr->ih_time); | |
476 | bswap32s(&hdr->ih_size); | |
477 | bswap32s(&hdr->ih_load); | |
478 | bswap32s(&hdr->ih_ep); | |
479 | bswap32s(&hdr->ih_dcrc); | |
480 | #endif | |
481 | } | |
482 | ||
5a123577 AL |
483 | |
484 | #define ZALLOC_ALIGNMENT 16 | |
485 | ||
486 | static void *zalloc(void *x, unsigned items, unsigned size) | |
487 | { | |
488 | void *p; | |
489 | ||
490 | size *= items; | |
491 | size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); | |
492 | ||
7267c094 | 493 | p = g_malloc(size); |
5a123577 AL |
494 | |
495 | return (p); | |
496 | } | |
497 | ||
d084eab6 | 498 | static void zfree(void *x, void *addr) |
5a123577 | 499 | { |
7267c094 | 500 | g_free(addr); |
5a123577 AL |
501 | } |
502 | ||
503 | ||
504 | #define HEAD_CRC 2 | |
505 | #define EXTRA_FIELD 4 | |
506 | #define ORIG_NAME 8 | |
507 | #define COMMENT 0x10 | |
508 | #define RESERVED 0xe0 | |
509 | ||
510 | #define DEFLATED 8 | |
511 | ||
5025d542 | 512 | /* This is the usual maximum in uboot, so if a uImage overflows this, it would |
5a123577 | 513 | * overflow on real hardware too. */ |
5025d542 | 514 | #define UBOOT_MAX_GUNZIP_BYTES (64 << 20) |
5a123577 AL |
515 | |
516 | static ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src, | |
517 | size_t srclen) | |
518 | { | |
519 | z_stream s; | |
520 | ssize_t dstbytes; | |
521 | int r, i, flags; | |
522 | ||
523 | /* skip header */ | |
524 | i = 10; | |
525 | flags = src[3]; | |
526 | if (src[2] != DEFLATED || (flags & RESERVED) != 0) { | |
527 | puts ("Error: Bad gzipped data\n"); | |
528 | return -1; | |
529 | } | |
530 | if ((flags & EXTRA_FIELD) != 0) | |
531 | i = 12 + src[10] + (src[11] << 8); | |
532 | if ((flags & ORIG_NAME) != 0) | |
533 | while (src[i++] != 0) | |
534 | ; | |
535 | if ((flags & COMMENT) != 0) | |
536 | while (src[i++] != 0) | |
537 | ; | |
538 | if ((flags & HEAD_CRC) != 0) | |
539 | i += 2; | |
540 | if (i >= srclen) { | |
541 | puts ("Error: gunzip out of data in header\n"); | |
542 | return -1; | |
543 | } | |
544 | ||
545 | s.zalloc = zalloc; | |
d084eab6 | 546 | s.zfree = zfree; |
5a123577 AL |
547 | |
548 | r = inflateInit2(&s, -MAX_WBITS); | |
549 | if (r != Z_OK) { | |
550 | printf ("Error: inflateInit2() returned %d\n", r); | |
551 | return (-1); | |
552 | } | |
553 | s.next_in = src + i; | |
554 | s.avail_in = srclen - i; | |
555 | s.next_out = dst; | |
556 | s.avail_out = dstlen; | |
557 | r = inflate(&s, Z_FINISH); | |
558 | if (r != Z_OK && r != Z_STREAM_END) { | |
559 | printf ("Error: inflate() returned %d\n", r); | |
560 | return -1; | |
561 | } | |
562 | dstbytes = s.next_out - (unsigned char *) dst; | |
563 | inflateEnd(&s); | |
564 | ||
565 | return dstbytes; | |
566 | } | |
567 | ||
1c7b3754 | 568 | /* Load a U-Boot image. */ |
84aee0de | 569 | static int load_uboot_image(const char *filename, hwaddr *ep, hwaddr *loadaddr, |
25bda50a MF |
570 | int *is_linux, uint8_t image_type, |
571 | uint64_t (*translate_fn)(void *, uint64_t), | |
572 | void *translate_opaque) | |
1c7b3754 | 573 | { |
1c7b3754 PB |
574 | int fd; |
575 | int size; | |
84aee0de | 576 | hwaddr address; |
c227f099 AL |
577 | uboot_image_header_t h; |
578 | uboot_image_header_t *hdr = &h; | |
1c7b3754 | 579 | uint8_t *data = NULL; |
265ca29a | 580 | int ret = -1; |
84aee0de | 581 | int do_uncompress = 0; |
1c7b3754 PB |
582 | |
583 | fd = open(filename, O_RDONLY | O_BINARY); | |
584 | if (fd < 0) | |
585 | return -1; | |
586 | ||
c227f099 | 587 | size = read(fd, hdr, sizeof(uboot_image_header_t)); |
1c7b3754 | 588 | if (size < 0) |
265ca29a | 589 | goto out; |
1c7b3754 PB |
590 | |
591 | bswap_uboot_header(hdr); | |
592 | ||
593 | if (hdr->ih_magic != IH_MAGIC) | |
265ca29a | 594 | goto out; |
1c7b3754 | 595 | |
84aee0de SB |
596 | if (hdr->ih_type != image_type) { |
597 | fprintf(stderr, "Wrong image type %d, expected %d\n", hdr->ih_type, | |
598 | image_type); | |
265ca29a | 599 | goto out; |
1c7b3754 PB |
600 | } |
601 | ||
84aee0de SB |
602 | /* TODO: Implement other image types. */ |
603 | switch (hdr->ih_type) { | |
604 | case IH_TYPE_KERNEL: | |
605 | address = hdr->ih_load; | |
25bda50a MF |
606 | if (translate_fn) { |
607 | address = translate_fn(translate_opaque, address); | |
608 | } | |
84aee0de SB |
609 | if (loadaddr) { |
610 | *loadaddr = hdr->ih_load; | |
611 | } | |
612 | ||
613 | switch (hdr->ih_comp) { | |
614 | case IH_COMP_NONE: | |
615 | break; | |
616 | case IH_COMP_GZIP: | |
617 | do_uncompress = 1; | |
618 | break; | |
619 | default: | |
620 | fprintf(stderr, | |
621 | "Unable to load u-boot images with compression type %d\n", | |
622 | hdr->ih_comp); | |
623 | goto out; | |
624 | } | |
625 | ||
626 | if (ep) { | |
627 | *ep = hdr->ih_ep; | |
628 | } | |
629 | ||
630 | /* TODO: Check CPU type. */ | |
631 | if (is_linux) { | |
632 | if (hdr->ih_os == IH_OS_LINUX) { | |
633 | *is_linux = 1; | |
634 | } else { | |
635 | *is_linux = 0; | |
636 | } | |
637 | } | |
638 | ||
639 | break; | |
640 | case IH_TYPE_RAMDISK: | |
641 | address = *loadaddr; | |
5a123577 AL |
642 | break; |
643 | default: | |
84aee0de | 644 | fprintf(stderr, "Unsupported u-boot image type %d\n", hdr->ih_type); |
265ca29a | 645 | goto out; |
1c7b3754 PB |
646 | } |
647 | ||
7267c094 | 648 | data = g_malloc(hdr->ih_size); |
1c7b3754 PB |
649 | |
650 | if (read(fd, data, hdr->ih_size) != hdr->ih_size) { | |
651 | fprintf(stderr, "Error reading file\n"); | |
265ca29a | 652 | goto out; |
1c7b3754 PB |
653 | } |
654 | ||
84aee0de | 655 | if (do_uncompress) { |
5a123577 AL |
656 | uint8_t *compressed_data; |
657 | size_t max_bytes; | |
658 | ssize_t bytes; | |
659 | ||
660 | compressed_data = data; | |
661 | max_bytes = UBOOT_MAX_GUNZIP_BYTES; | |
7267c094 | 662 | data = g_malloc(max_bytes); |
5a123577 AL |
663 | |
664 | bytes = gunzip(data, max_bytes, compressed_data, hdr->ih_size); | |
7267c094 | 665 | g_free(compressed_data); |
5a123577 AL |
666 | if (bytes < 0) { |
667 | fprintf(stderr, "Unable to decompress gzipped image!\n"); | |
668 | goto out; | |
669 | } | |
670 | hdr->ih_size = bytes; | |
671 | } | |
672 | ||
84aee0de | 673 | rom_add_blob_fixed(filename, data, hdr->ih_size, address); |
21cafd08 | 674 | |
265ca29a | 675 | ret = hdr->ih_size; |
1c7b3754 | 676 | |
265ca29a | 677 | out: |
ef1e1e07 | 678 | g_free(data); |
1c7b3754 | 679 | close(fd); |
265ca29a | 680 | return ret; |
1c7b3754 | 681 | } |
45a50b16 | 682 | |
84aee0de | 683 | int load_uimage(const char *filename, hwaddr *ep, hwaddr *loadaddr, |
25bda50a MF |
684 | int *is_linux, |
685 | uint64_t (*translate_fn)(void *, uint64_t), | |
686 | void *translate_opaque) | |
84aee0de | 687 | { |
25bda50a MF |
688 | return load_uboot_image(filename, ep, loadaddr, is_linux, IH_TYPE_KERNEL, |
689 | translate_fn, translate_opaque); | |
84aee0de SB |
690 | } |
691 | ||
692 | /* Load a ramdisk. */ | |
693 | int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz) | |
694 | { | |
25bda50a MF |
695 | return load_uboot_image(filename, NULL, &addr, NULL, IH_TYPE_RAMDISK, |
696 | NULL, NULL); | |
84aee0de SB |
697 | } |
698 | ||
7d48a0f7 LE |
699 | /* Load a gzip-compressed kernel to a dynamically allocated buffer. */ |
700 | int load_image_gzipped_buffer(const char *filename, uint64_t max_sz, | |
701 | uint8_t **buffer) | |
235e74af RJ |
702 | { |
703 | uint8_t *compressed_data = NULL; | |
704 | uint8_t *data = NULL; | |
705 | gsize len; | |
706 | ssize_t bytes; | |
707 | int ret = -1; | |
708 | ||
709 | if (!g_file_get_contents(filename, (char **) &compressed_data, &len, | |
710 | NULL)) { | |
711 | goto out; | |
712 | } | |
713 | ||
714 | /* Is it a gzip-compressed file? */ | |
715 | if (len < 2 || | |
716 | compressed_data[0] != 0x1f || | |
717 | compressed_data[1] != 0x8b) { | |
718 | goto out; | |
719 | } | |
720 | ||
721 | if (max_sz > LOAD_IMAGE_MAX_GUNZIP_BYTES) { | |
722 | max_sz = LOAD_IMAGE_MAX_GUNZIP_BYTES; | |
723 | } | |
724 | ||
725 | data = g_malloc(max_sz); | |
726 | bytes = gunzip(data, max_sz, compressed_data, len); | |
727 | if (bytes < 0) { | |
728 | fprintf(stderr, "%s: unable to decompress gzipped kernel file\n", | |
729 | filename); | |
730 | goto out; | |
731 | } | |
732 | ||
7d48a0f7 LE |
733 | /* trim to actual size and return to caller */ |
734 | *buffer = g_realloc(data, bytes); | |
235e74af | 735 | ret = bytes; |
7d48a0f7 LE |
736 | /* ownership has been transferred to caller */ |
737 | data = NULL; | |
235e74af RJ |
738 | |
739 | out: | |
740 | g_free(compressed_data); | |
741 | g_free(data); | |
742 | return ret; | |
743 | } | |
744 | ||
7d48a0f7 LE |
745 | /* Load a gzip-compressed kernel. */ |
746 | int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz) | |
747 | { | |
748 | int bytes; | |
749 | uint8_t *data; | |
750 | ||
751 | bytes = load_image_gzipped_buffer(filename, max_sz, &data); | |
752 | if (bytes != -1) { | |
753 | rom_add_blob_fixed(filename, data, bytes, addr); | |
754 | g_free(data); | |
755 | } | |
756 | return bytes; | |
757 | } | |
758 | ||
45a50b16 GH |
759 | /* |
760 | * Functions for reboot-persistent memory regions. | |
761 | * - used for vga bios and option roms. | |
762 | * - also linux kernel (-kernel / -initrd). | |
763 | */ | |
764 | ||
765 | typedef struct Rom Rom; | |
766 | ||
767 | struct Rom { | |
768 | char *name; | |
769 | char *path; | |
d60fa42e FC |
770 | |
771 | /* datasize is the amount of memory allocated in "data". If datasize is less | |
772 | * than romsize, it means that the area from datasize to romsize is filled | |
773 | * with zeros. | |
774 | */ | |
45a50b16 | 775 | size_t romsize; |
d60fa42e FC |
776 | size_t datasize; |
777 | ||
45a50b16 | 778 | uint8_t *data; |
04920fc0 | 779 | MemoryRegion *mr; |
45a50b16 | 780 | int isrom; |
379526a4 GH |
781 | char *fw_dir; |
782 | char *fw_file; | |
45a50b16 | 783 | |
a8170e5e | 784 | hwaddr addr; |
45a50b16 GH |
785 | QTAILQ_ENTRY(Rom) next; |
786 | }; | |
787 | ||
8832cb80 | 788 | static FWCfgState *fw_cfg; |
45a50b16 GH |
789 | static QTAILQ_HEAD(, Rom) roms = QTAILQ_HEAD_INITIALIZER(roms); |
790 | ||
791 | static void rom_insert(Rom *rom) | |
792 | { | |
793 | Rom *item; | |
794 | ||
97fe84f5 PB |
795 | if (roms_loaded) { |
796 | hw_error ("ROM images must be loaded at startup\n"); | |
797 | } | |
798 | ||
45a50b16 GH |
799 | /* list is ordered by load address */ |
800 | QTAILQ_FOREACH(item, &roms, next) { | |
632cf034 | 801 | if (rom->addr >= item->addr) |
45a50b16 GH |
802 | continue; |
803 | QTAILQ_INSERT_BEFORE(item, rom, next); | |
804 | return; | |
805 | } | |
806 | QTAILQ_INSERT_TAIL(&roms, rom, next); | |
807 | } | |
808 | ||
a1666142 MT |
809 | static void fw_cfg_resized(const char *id, uint64_t length, void *host) |
810 | { | |
811 | if (fw_cfg) { | |
812 | fw_cfg_modify_file(fw_cfg, id + strlen("/rom@"), host, length); | |
813 | } | |
814 | } | |
815 | ||
04920fc0 MT |
816 | static void *rom_set_mr(Rom *rom, Object *owner, const char *name) |
817 | { | |
818 | void *data; | |
819 | ||
820 | rom->mr = g_malloc(sizeof(*rom->mr)); | |
a1666142 MT |
821 | memory_region_init_resizeable_ram(rom->mr, owner, name, |
822 | rom->datasize, rom->romsize, | |
823 | fw_cfg_resized, | |
df8abec8 | 824 | &error_fatal); |
04920fc0 MT |
825 | memory_region_set_readonly(rom->mr, true); |
826 | vmstate_register_ram_global(rom->mr); | |
827 | ||
828 | data = memory_region_get_ram_ptr(rom->mr); | |
829 | memcpy(data, rom->data, rom->datasize); | |
830 | ||
831 | return data; | |
832 | } | |
833 | ||
bdb5ee30 | 834 | int rom_add_file(const char *file, const char *fw_dir, |
ac41881b | 835 | hwaddr addr, int32_t bootindex, |
76151cac | 836 | bool option_rom, MemoryRegion *mr) |
45a50b16 | 837 | { |
71ae9e94 | 838 | MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); |
45a50b16 GH |
839 | Rom *rom; |
840 | int rc, fd = -1; | |
2e55e842 | 841 | char devpath[100]; |
45a50b16 | 842 | |
7267c094 AL |
843 | rom = g_malloc0(sizeof(*rom)); |
844 | rom->name = g_strdup(file); | |
45a50b16 GH |
845 | rom->path = qemu_find_file(QEMU_FILE_TYPE_BIOS, rom->name); |
846 | if (rom->path == NULL) { | |
7267c094 | 847 | rom->path = g_strdup(file); |
45a50b16 GH |
848 | } |
849 | ||
cef290b8 | 850 | fd = open(rom->path, O_RDONLY | O_BINARY); |
45a50b16 GH |
851 | if (fd == -1) { |
852 | fprintf(stderr, "Could not open option rom '%s': %s\n", | |
853 | rom->path, strerror(errno)); | |
854 | goto err; | |
855 | } | |
856 | ||
bdb5ee30 | 857 | if (fw_dir) { |
7267c094 AL |
858 | rom->fw_dir = g_strdup(fw_dir); |
859 | rom->fw_file = g_strdup(file); | |
bdb5ee30 | 860 | } |
d60fa42e FC |
861 | rom->addr = addr; |
862 | rom->romsize = lseek(fd, 0, SEEK_END); | |
ddd2eab7 GA |
863 | if (rom->romsize == -1) { |
864 | fprintf(stderr, "rom: file %-20s: get size error: %s\n", | |
865 | rom->name, strerror(errno)); | |
866 | goto err; | |
867 | } | |
868 | ||
d60fa42e FC |
869 | rom->datasize = rom->romsize; |
870 | rom->data = g_malloc0(rom->datasize); | |
45a50b16 | 871 | lseek(fd, 0, SEEK_SET); |
d60fa42e FC |
872 | rc = read(fd, rom->data, rom->datasize); |
873 | if (rc != rom->datasize) { | |
45a50b16 | 874 | fprintf(stderr, "rom: file %-20s: read error: rc=%d (expected %zd)\n", |
d60fa42e | 875 | rom->name, rc, rom->datasize); |
45a50b16 GH |
876 | goto err; |
877 | } | |
878 | close(fd); | |
879 | rom_insert(rom); | |
de1f34cb GN |
880 | if (rom->fw_file && fw_cfg) { |
881 | const char *basename; | |
35c12e60 | 882 | char fw_file_name[FW_CFG_MAX_FILE_PATH]; |
04920fc0 | 883 | void *data; |
de1f34cb GN |
884 | |
885 | basename = strrchr(rom->fw_file, '/'); | |
886 | if (basename) { | |
887 | basename++; | |
888 | } else { | |
889 | basename = rom->fw_file; | |
890 | } | |
891 | snprintf(fw_file_name, sizeof(fw_file_name), "%s/%s", rom->fw_dir, | |
892 | basename); | |
2e55e842 | 893 | snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name); |
04920fc0 | 894 | |
71ae9e94 | 895 | if ((!option_rom || mc->option_rom_has_mr) && mc->rom_file_has_mr) { |
04920fc0 MT |
896 | data = rom_set_mr(rom, OBJECT(fw_cfg), devpath); |
897 | } else { | |
898 | data = rom->data; | |
899 | } | |
900 | ||
901 | fw_cfg_add_file(fw_cfg, fw_file_name, data, rom->romsize); | |
2e55e842 | 902 | } else { |
76151cac PM |
903 | if (mr) { |
904 | rom->mr = mr; | |
905 | snprintf(devpath, sizeof(devpath), "/rom@%s", file); | |
906 | } else { | |
907 | snprintf(devpath, sizeof(devpath), "/rom@" TARGET_FMT_plx, addr); | |
908 | } | |
de1f34cb | 909 | } |
2e55e842 GN |
910 | |
911 | add_boot_device_path(bootindex, NULL, devpath); | |
45a50b16 GH |
912 | return 0; |
913 | ||
914 | err: | |
915 | if (fd != -1) | |
916 | close(fd); | |
7267c094 AL |
917 | g_free(rom->data); |
918 | g_free(rom->path); | |
919 | g_free(rom->name); | |
920 | g_free(rom); | |
45a50b16 GH |
921 | return -1; |
922 | } | |
923 | ||
339240b5 | 924 | MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, |
a1666142 | 925 | size_t max_len, hwaddr addr, const char *fw_file_name, |
48354cc5 | 926 | FWCfgReadCallback fw_callback, void *callback_opaque) |
45a50b16 | 927 | { |
71ae9e94 | 928 | MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); |
45a50b16 | 929 | Rom *rom; |
339240b5 | 930 | MemoryRegion *mr = NULL; |
45a50b16 | 931 | |
d60fa42e FC |
932 | rom = g_malloc0(sizeof(*rom)); |
933 | rom->name = g_strdup(name); | |
934 | rom->addr = addr; | |
a1666142 | 935 | rom->romsize = max_len ? max_len : len; |
d60fa42e FC |
936 | rom->datasize = len; |
937 | rom->data = g_malloc0(rom->datasize); | |
45a50b16 GH |
938 | memcpy(rom->data, blob, len); |
939 | rom_insert(rom); | |
48354cc5 MT |
940 | if (fw_file_name && fw_cfg) { |
941 | char devpath[100]; | |
ad5b88b1 | 942 | void *data; |
48354cc5 MT |
943 | |
944 | snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name); | |
945 | ||
71ae9e94 | 946 | if (mc->rom_file_has_mr) { |
48354cc5 | 947 | data = rom_set_mr(rom, OBJECT(fw_cfg), devpath); |
339240b5 | 948 | mr = rom->mr; |
48354cc5 MT |
949 | } else { |
950 | data = rom->data; | |
951 | } | |
952 | ||
953 | fw_cfg_add_file_callback(fw_cfg, fw_file_name, | |
954 | fw_callback, callback_opaque, | |
a1666142 | 955 | data, rom->datasize); |
48354cc5 | 956 | } |
339240b5 | 957 | return mr; |
45a50b16 GH |
958 | } |
959 | ||
d60fa42e FC |
960 | /* This function is specific for elf program because we don't need to allocate |
961 | * all the rom. We just allocate the first part and the rest is just zeros. This | |
962 | * is why romsize and datasize are different. Also, this function seize the | |
963 | * memory ownership of "data", so we don't have to allocate and copy the buffer. | |
964 | */ | |
965 | int rom_add_elf_program(const char *name, void *data, size_t datasize, | |
966 | size_t romsize, hwaddr addr) | |
967 | { | |
968 | Rom *rom; | |
969 | ||
970 | rom = g_malloc0(sizeof(*rom)); | |
971 | rom->name = g_strdup(name); | |
972 | rom->addr = addr; | |
973 | rom->datasize = datasize; | |
974 | rom->romsize = romsize; | |
975 | rom->data = data; | |
976 | rom_insert(rom); | |
977 | return 0; | |
978 | } | |
979 | ||
de2aff17 GH |
980 | int rom_add_vga(const char *file) |
981 | { | |
76151cac | 982 | return rom_add_file(file, "vgaroms", 0, -1, true, NULL); |
de2aff17 GH |
983 | } |
984 | ||
2e55e842 | 985 | int rom_add_option(const char *file, int32_t bootindex) |
de2aff17 | 986 | { |
76151cac | 987 | return rom_add_file(file, "genroms", 0, bootindex, true, NULL); |
de2aff17 GH |
988 | } |
989 | ||
45a50b16 GH |
990 | static void rom_reset(void *unused) |
991 | { | |
992 | Rom *rom; | |
993 | ||
994 | QTAILQ_FOREACH(rom, &roms, next) { | |
e405a2ba AK |
995 | if (rom->fw_file) { |
996 | continue; | |
997 | } | |
bdb5ee30 | 998 | if (rom->data == NULL) { |
45a50b16 | 999 | continue; |
bdb5ee30 | 1000 | } |
04920fc0 MT |
1001 | if (rom->mr) { |
1002 | void *host = memory_region_get_ram_ptr(rom->mr); | |
1003 | memcpy(host, rom->data, rom->datasize); | |
1004 | } else { | |
2a221651 EI |
1005 | cpu_physical_memory_write_rom(&address_space_memory, |
1006 | rom->addr, rom->data, rom->datasize); | |
04920fc0 | 1007 | } |
45a50b16 GH |
1008 | if (rom->isrom) { |
1009 | /* rom needs to be written only once */ | |
7267c094 | 1010 | g_free(rom->data); |
45a50b16 GH |
1011 | rom->data = NULL; |
1012 | } | |
582b55a9 AG |
1013 | /* |
1014 | * The rom loader is really on the same level as firmware in the guest | |
1015 | * shadowing a ROM into RAM. Such a shadowing mechanism needs to ensure | |
1016 | * that the instruction cache for that new region is clear, so that the | |
1017 | * CPU definitely fetches its instructions from the just written data. | |
1018 | */ | |
1019 | cpu_flush_icache_range(rom->addr, rom->datasize); | |
45a50b16 GH |
1020 | } |
1021 | } | |
1022 | ||
6b3f7f63 | 1023 | int rom_check_and_register_reset(void) |
45a50b16 | 1024 | { |
a8170e5e | 1025 | hwaddr addr = 0; |
dcc5cd33 | 1026 | MemoryRegionSection section; |
45a50b16 GH |
1027 | Rom *rom; |
1028 | ||
1029 | QTAILQ_FOREACH(rom, &roms, next) { | |
e405a2ba AK |
1030 | if (rom->fw_file) { |
1031 | continue; | |
1032 | } | |
632cf034 GH |
1033 | if (addr > rom->addr) { |
1034 | fprintf(stderr, "rom: requested regions overlap " | |
1035 | "(rom %s. free=0x" TARGET_FMT_plx | |
1036 | ", addr=0x" TARGET_FMT_plx ")\n", | |
1037 | rom->name, addr, rom->addr); | |
1038 | return -1; | |
45a50b16 | 1039 | } |
632cf034 | 1040 | addr = rom->addr; |
45a50b16 | 1041 | addr += rom->romsize; |
dcc5cd33 | 1042 | section = memory_region_find(get_system_memory(), rom->addr, 1); |
052e87b0 | 1043 | rom->isrom = int128_nz(section.size) && memory_region_is_rom(section.mr); |
dfde4e6e | 1044 | memory_region_unref(section.mr); |
45a50b16 GH |
1045 | } |
1046 | qemu_register_reset(rom_reset, NULL); | |
d916b464 | 1047 | roms_loaded = 1; |
6b3f7f63 | 1048 | return 0; |
d916b464 MT |
1049 | } |
1050 | ||
a88b362c | 1051 | void rom_set_fw(FWCfgState *f) |
379526a4 | 1052 | { |
8832cb80 | 1053 | fw_cfg = f; |
379526a4 GH |
1054 | } |
1055 | ||
bab47d9a GH |
1056 | void rom_set_order_override(int order) |
1057 | { | |
1058 | if (!fw_cfg) | |
1059 | return; | |
1060 | fw_cfg_set_order_override(fw_cfg, order); | |
1061 | } | |
1062 | ||
1063 | void rom_reset_order_override(void) | |
1064 | { | |
1065 | if (!fw_cfg) | |
1066 | return; | |
1067 | fw_cfg_reset_order_override(fw_cfg); | |
1068 | } | |
1069 | ||
a8170e5e | 1070 | static Rom *find_rom(hwaddr addr) |
3c178e72 GH |
1071 | { |
1072 | Rom *rom; | |
1073 | ||
1074 | QTAILQ_FOREACH(rom, &roms, next) { | |
f21a59c2 AJ |
1075 | if (rom->fw_file) { |
1076 | continue; | |
1077 | } | |
04920fc0 MT |
1078 | if (rom->mr) { |
1079 | continue; | |
1080 | } | |
bdb5ee30 | 1081 | if (rom->addr > addr) { |
3c178e72 | 1082 | continue; |
bdb5ee30 GH |
1083 | } |
1084 | if (rom->addr + rom->romsize < addr) { | |
3c178e72 | 1085 | continue; |
bdb5ee30 | 1086 | } |
3c178e72 GH |
1087 | return rom; |
1088 | } | |
1089 | return NULL; | |
1090 | } | |
1091 | ||
935effc2 KW |
1092 | /* |
1093 | * Copies memory from registered ROMs to dest. Any memory that is contained in | |
1094 | * a ROM between addr and addr + size is copied. Note that this can involve | |
1095 | * multiple ROMs, which need not start at addr and need not end at addr + size. | |
1096 | */ | |
a8170e5e | 1097 | int rom_copy(uint8_t *dest, hwaddr addr, size_t size) |
235f86ef | 1098 | { |
a8170e5e | 1099 | hwaddr end = addr + size; |
235f86ef AG |
1100 | uint8_t *s, *d = dest; |
1101 | size_t l = 0; | |
1102 | Rom *rom; | |
1103 | ||
1104 | QTAILQ_FOREACH(rom, &roms, next) { | |
f21a59c2 AJ |
1105 | if (rom->fw_file) { |
1106 | continue; | |
1107 | } | |
04920fc0 MT |
1108 | if (rom->mr) { |
1109 | continue; | |
1110 | } | |
bdb5ee30 | 1111 | if (rom->addr + rom->romsize < addr) { |
632cf034 | 1112 | continue; |
bdb5ee30 GH |
1113 | } |
1114 | if (rom->addr > end) { | |
235f86ef | 1115 | break; |
bdb5ee30 | 1116 | } |
235f86ef | 1117 | |
632cf034 | 1118 | d = dest + (rom->addr - addr); |
235f86ef | 1119 | s = rom->data; |
d60fa42e | 1120 | l = rom->datasize; |
235f86ef | 1121 | |
235f86ef AG |
1122 | if ((d + l) > (dest + size)) { |
1123 | l = dest - d; | |
1124 | } | |
1125 | ||
0dd5ce38 MB |
1126 | if (l > 0) { |
1127 | memcpy(d, s, l); | |
1128 | } | |
d60fa42e FC |
1129 | |
1130 | if (rom->romsize > rom->datasize) { | |
1131 | /* If datasize is less than romsize, it means that we didn't | |
1132 | * allocate all the ROM because the trailing data are only zeros. | |
1133 | */ | |
1134 | ||
1135 | d += l; | |
1136 | l = rom->romsize - rom->datasize; | |
1137 | ||
1138 | if ((d + l) > (dest + size)) { | |
1139 | /* Rom size doesn't fit in the destination area. Adjust to avoid | |
1140 | * overflow. | |
1141 | */ | |
1142 | l = dest - d; | |
1143 | } | |
1144 | ||
1145 | if (l > 0) { | |
1146 | memset(d, 0x0, l); | |
1147 | } | |
1148 | } | |
235f86ef AG |
1149 | } |
1150 | ||
1151 | return (d + l) - dest; | |
1152 | } | |
1153 | ||
a8170e5e | 1154 | void *rom_ptr(hwaddr addr) |
3c178e72 GH |
1155 | { |
1156 | Rom *rom; | |
1157 | ||
1158 | rom = find_rom(addr); | |
1159 | if (!rom || !rom->data) | |
1160 | return NULL; | |
632cf034 | 1161 | return rom->data + (addr - rom->addr); |
3c178e72 GH |
1162 | } |
1163 | ||
1ce6be24 | 1164 | void hmp_info_roms(Monitor *mon, const QDict *qdict) |
45a50b16 GH |
1165 | { |
1166 | Rom *rom; | |
1167 | ||
1168 | QTAILQ_FOREACH(rom, &roms, next) { | |
04920fc0 MT |
1169 | if (rom->mr) { |
1170 | monitor_printf(mon, "%s" | |
1171 | " size=0x%06zx name=\"%s\"\n", | |
401cf7fd | 1172 | memory_region_name(rom->mr), |
04920fc0 MT |
1173 | rom->romsize, |
1174 | rom->name); | |
1175 | } else if (!rom->fw_file) { | |
632cf034 | 1176 | monitor_printf(mon, "addr=" TARGET_FMT_plx |
b2bedb21 | 1177 | " size=0x%06zx mem=%s name=\"%s\"\n", |
632cf034 GH |
1178 | rom->addr, rom->romsize, |
1179 | rom->isrom ? "rom" : "ram", | |
1180 | rom->name); | |
1181 | } else { | |
bdb5ee30 | 1182 | monitor_printf(mon, "fw=%s/%s" |
b2bedb21 | 1183 | " size=0x%06zx name=\"%s\"\n", |
bdb5ee30 | 1184 | rom->fw_dir, |
632cf034 GH |
1185 | rom->fw_file, |
1186 | rom->romsize, | |
1187 | rom->name); | |
1188 | } | |
45a50b16 GH |
1189 | } |
1190 | } |