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