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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 | 63 | /* return the size or -1 if error */ |
f3839fda | 64 | int64_t get_image_size(const char *filename) |
5fe141fd | 65 | { |
f3839fda LZ |
66 | int fd; |
67 | int64_t size; | |
5fe141fd FB |
68 | fd = open(filename, O_RDONLY | O_BINARY); |
69 | if (fd < 0) | |
70 | return -1; | |
71 | size = lseek(fd, 0, SEEK_END); | |
72 | close(fd); | |
73 | return size; | |
74 | } | |
75 | ||
ea87616d BH |
76 | /* return the size or -1 if error */ |
77 | ssize_t load_image_size(const char *filename, void *addr, size_t size) | |
78 | { | |
79 | int fd; | |
80 | ssize_t actsize; | |
81 | ||
82 | fd = open(filename, O_RDONLY | O_BINARY); | |
83 | if (fd < 0) { | |
84 | return -1; | |
85 | } | |
86 | ||
87 | actsize = read(fd, addr, size); | |
88 | if (actsize < 0) { | |
89 | close(fd); | |
90 | return -1; | |
91 | } | |
92 | close(fd); | |
93 | ||
94 | return actsize; | |
95 | } | |
96 | ||
293f78bc | 97 | /* read()-like version */ |
725e14e9 | 98 | ssize_t read_targphys(const char *name, |
a8170e5e | 99 | int fd, hwaddr dst_addr, size_t nbytes) |
293f78bc | 100 | { |
45a50b16 | 101 | uint8_t *buf; |
725e14e9 | 102 | ssize_t did; |
45a50b16 | 103 | |
7267c094 | 104 | buf = g_malloc(nbytes); |
45a50b16 GH |
105 | did = read(fd, buf, nbytes); |
106 | if (did > 0) | |
107 | rom_add_blob_fixed("read", buf, did, dst_addr); | |
7267c094 | 108 | g_free(buf); |
45a50b16 | 109 | return did; |
293f78bc BS |
110 | } |
111 | ||
293f78bc | 112 | int load_image_targphys(const char *filename, |
a8170e5e | 113 | hwaddr addr, uint64_t max_sz) |
93ffc7c7 AF |
114 | { |
115 | return load_image_targphys_as(filename, addr, max_sz, NULL); | |
116 | } | |
117 | ||
118 | /* return the size or -1 if error */ | |
119 | int load_image_targphys_as(const char *filename, | |
120 | hwaddr addr, uint64_t max_sz, AddressSpace *as) | |
293f78bc | 121 | { |
45a50b16 | 122 | int size; |
293f78bc | 123 | |
45a50b16 | 124 | size = get_image_size(filename); |
2a4e2e49 | 125 | if (size < 0 || size > max_sz) { |
17df768c BH |
126 | return -1; |
127 | } | |
128 | if (size > 0) { | |
32fb354b PMD |
129 | if (rom_add_file_fixed_as(filename, addr, -1, as) < 0) { |
130 | return -1; | |
131 | } | |
17df768c | 132 | } |
45a50b16 | 133 | return size; |
293f78bc BS |
134 | } |
135 | ||
76151cac PM |
136 | int load_image_mr(const char *filename, MemoryRegion *mr) |
137 | { | |
138 | int size; | |
139 | ||
140 | if (!memory_access_is_direct(mr, false)) { | |
141 | /* Can only load an image into RAM or ROM */ | |
142 | return -1; | |
143 | } | |
144 | ||
145 | size = get_image_size(filename); | |
146 | ||
2a4e2e49 | 147 | if (size < 0 || size > memory_region_size(mr)) { |
76151cac PM |
148 | return -1; |
149 | } | |
150 | if (size > 0) { | |
151 | if (rom_add_file_mr(filename, mr, -1) < 0) { | |
152 | return -1; | |
153 | } | |
154 | } | |
155 | return size; | |
156 | } | |
157 | ||
a8170e5e | 158 | void pstrcpy_targphys(const char *name, hwaddr dest, int buf_size, |
293f78bc BS |
159 | const char *source) |
160 | { | |
293f78bc | 161 | const char *nulp; |
3c178e72 | 162 | char *ptr; |
293f78bc BS |
163 | |
164 | if (buf_size <= 0) return; | |
165 | nulp = memchr(source, 0, buf_size); | |
166 | if (nulp) { | |
3c178e72 | 167 | rom_add_blob_fixed(name, source, (nulp - source) + 1, dest); |
293f78bc | 168 | } else { |
3c178e72 | 169 | rom_add_blob_fixed(name, source, buf_size, dest); |
0f0f8b61 | 170 | ptr = rom_ptr(dest + buf_size - 1, sizeof(*ptr)); |
3c178e72 | 171 | *ptr = 0; |
293f78bc BS |
172 | } |
173 | } | |
174 | ||
5fe141fd FB |
175 | /* A.OUT loader */ |
176 | ||
177 | struct exec | |
178 | { | |
179 | uint32_t a_info; /* Use macros N_MAGIC, etc for access */ | |
180 | uint32_t a_text; /* length of text, in bytes */ | |
181 | uint32_t a_data; /* length of data, in bytes */ | |
182 | uint32_t a_bss; /* length of uninitialized data area, in bytes */ | |
183 | uint32_t a_syms; /* length of symbol table data in file, in bytes */ | |
184 | uint32_t a_entry; /* start address */ | |
185 | uint32_t a_trsize; /* length of relocation info for text, in bytes */ | |
186 | uint32_t a_drsize; /* length of relocation info for data, in bytes */ | |
187 | }; | |
188 | ||
5fe141fd FB |
189 | static void bswap_ahdr(struct exec *e) |
190 | { | |
191 | bswap32s(&e->a_info); | |
192 | bswap32s(&e->a_text); | |
193 | bswap32s(&e->a_data); | |
194 | bswap32s(&e->a_bss); | |
195 | bswap32s(&e->a_syms); | |
196 | bswap32s(&e->a_entry); | |
197 | bswap32s(&e->a_trsize); | |
198 | bswap32s(&e->a_drsize); | |
199 | } | |
5fe141fd FB |
200 | |
201 | #define N_MAGIC(exec) ((exec).a_info & 0xffff) | |
202 | #define OMAGIC 0407 | |
203 | #define NMAGIC 0410 | |
204 | #define ZMAGIC 0413 | |
205 | #define QMAGIC 0314 | |
206 | #define _N_HDROFF(x) (1024 - sizeof (struct exec)) | |
207 | #define N_TXTOFF(x) \ | |
208 | (N_MAGIC(x) == ZMAGIC ? _N_HDROFF((x)) + sizeof (struct exec) : \ | |
209 | (N_MAGIC(x) == QMAGIC ? 0 : sizeof (struct exec))) | |
ca20cf32 BS |
210 | #define N_TXTADDR(x, target_page_size) (N_MAGIC(x) == QMAGIC ? target_page_size : 0) |
211 | #define _N_SEGMENT_ROUND(x, target_page_size) (((x) + target_page_size - 1) & ~(target_page_size - 1)) | |
5fe141fd | 212 | |
ca20cf32 | 213 | #define _N_TXTENDADDR(x, target_page_size) (N_TXTADDR(x, target_page_size)+(x).a_text) |
5fe141fd | 214 | |
ca20cf32 BS |
215 | #define N_DATADDR(x, target_page_size) \ |
216 | (N_MAGIC(x)==OMAGIC? (_N_TXTENDADDR(x, target_page_size)) \ | |
217 | : (_N_SEGMENT_ROUND (_N_TXTENDADDR(x, target_page_size), target_page_size))) | |
5fe141fd FB |
218 | |
219 | ||
a8170e5e AK |
220 | int load_aout(const char *filename, hwaddr addr, int max_sz, |
221 | int bswap_needed, hwaddr target_page_size) | |
5fe141fd | 222 | { |
725e14e9 MA |
223 | int fd; |
224 | ssize_t size, ret; | |
5fe141fd FB |
225 | struct exec e; |
226 | uint32_t magic; | |
227 | ||
228 | fd = open(filename, O_RDONLY | O_BINARY); | |
229 | if (fd < 0) | |
230 | return -1; | |
231 | ||
232 | size = read(fd, &e, sizeof(e)); | |
233 | if (size < 0) | |
234 | goto fail; | |
235 | ||
ca20cf32 BS |
236 | if (bswap_needed) { |
237 | bswap_ahdr(&e); | |
238 | } | |
5fe141fd FB |
239 | |
240 | magic = N_MAGIC(e); | |
241 | switch (magic) { | |
242 | case ZMAGIC: | |
243 | case QMAGIC: | |
244 | case OMAGIC: | |
293f78bc BS |
245 | if (e.a_text + e.a_data > max_sz) |
246 | goto fail; | |
7d37435b PB |
247 | lseek(fd, N_TXTOFF(e), SEEK_SET); |
248 | size = read_targphys(filename, fd, addr, e.a_text + e.a_data); | |
249 | if (size < 0) | |
250 | goto fail; | |
251 | break; | |
5fe141fd | 252 | case NMAGIC: |
ca20cf32 | 253 | if (N_DATADDR(e, target_page_size) + e.a_data > max_sz) |
293f78bc | 254 | goto fail; |
7d37435b PB |
255 | lseek(fd, N_TXTOFF(e), SEEK_SET); |
256 | size = read_targphys(filename, fd, addr, e.a_text); | |
257 | if (size < 0) | |
258 | goto fail; | |
45a50b16 | 259 | ret = read_targphys(filename, fd, addr + N_DATADDR(e, target_page_size), |
ca20cf32 | 260 | e.a_data); |
7d37435b PB |
261 | if (ret < 0) |
262 | goto fail; | |
263 | size += ret; | |
264 | break; | |
5fe141fd | 265 | default: |
7d37435b | 266 | goto fail; |
5fe141fd FB |
267 | } |
268 | close(fd); | |
269 | return size; | |
270 | fail: | |
271 | close(fd); | |
272 | return -1; | |
273 | } | |
274 | ||
275 | /* ELF loader */ | |
276 | ||
6cbfb86f | 277 | static void *load_at(int fd, off_t offset, size_t size) |
5fe141fd FB |
278 | { |
279 | void *ptr; | |
280 | if (lseek(fd, offset, SEEK_SET) < 0) | |
281 | return NULL; | |
7267c094 | 282 | ptr = g_malloc(size); |
5fe141fd | 283 | if (read(fd, ptr, size) != size) { |
7267c094 | 284 | g_free(ptr); |
5fe141fd FB |
285 | return NULL; |
286 | } | |
287 | return ptr; | |
288 | } | |
289 | ||
3efa9a67 | 290 | #ifdef ELF_CLASS |
291 | #undef ELF_CLASS | |
292 | #endif | |
5fe141fd FB |
293 | |
294 | #define ELF_CLASS ELFCLASS32 | |
295 | #include "elf.h" | |
296 | ||
297 | #define SZ 32 | |
298 | #define elf_word uint32_t | |
82790064 | 299 | #define elf_sword int32_t |
5fe141fd | 300 | #define bswapSZs bswap32s |
83c9f4ca | 301 | #include "hw/elf_ops.h" |
5fe141fd FB |
302 | |
303 | #undef elfhdr | |
304 | #undef elf_phdr | |
305 | #undef elf_shdr | |
306 | #undef elf_sym | |
5dce07e1 | 307 | #undef elf_rela |
5fe141fd FB |
308 | #undef elf_note |
309 | #undef elf_word | |
82790064 | 310 | #undef elf_sword |
5fe141fd FB |
311 | #undef bswapSZs |
312 | #undef SZ | |
313 | #define elfhdr elf64_hdr | |
314 | #define elf_phdr elf64_phdr | |
315 | #define elf_note elf64_note | |
316 | #define elf_shdr elf64_shdr | |
317 | #define elf_sym elf64_sym | |
5dce07e1 | 318 | #define elf_rela elf64_rela |
5fe141fd | 319 | #define elf_word uint64_t |
82790064 | 320 | #define elf_sword int64_t |
5fe141fd FB |
321 | #define bswapSZs bswap64s |
322 | #define SZ 64 | |
83c9f4ca | 323 | #include "hw/elf_ops.h" |
5fe141fd | 324 | |
18674b26 AK |
325 | const char *load_elf_strerror(int error) |
326 | { | |
327 | switch (error) { | |
328 | case 0: | |
329 | return "No error"; | |
330 | case ELF_LOAD_FAILED: | |
331 | return "Failed to load ELF"; | |
332 | case ELF_LOAD_NOT_ELF: | |
333 | return "The image is not ELF"; | |
334 | case ELF_LOAD_WRONG_ARCH: | |
335 | return "The image is from incompatible architecture"; | |
336 | case ELF_LOAD_WRONG_ENDIAN: | |
337 | return "The image has incorrect endianness"; | |
338 | default: | |
339 | return "Unknown error"; | |
340 | } | |
341 | } | |
342 | ||
04ae712a PC |
343 | void load_elf_hdr(const char *filename, void *hdr, bool *is64, Error **errp) |
344 | { | |
345 | int fd; | |
346 | uint8_t e_ident_local[EI_NIDENT]; | |
347 | uint8_t *e_ident; | |
348 | size_t hdr_size, off; | |
349 | bool is64l; | |
350 | ||
351 | if (!hdr) { | |
352 | hdr = e_ident_local; | |
353 | } | |
354 | e_ident = hdr; | |
355 | ||
356 | fd = open(filename, O_RDONLY | O_BINARY); | |
357 | if (fd < 0) { | |
358 | error_setg_errno(errp, errno, "Failed to open file: %s", filename); | |
359 | return; | |
360 | } | |
361 | if (read(fd, hdr, EI_NIDENT) != EI_NIDENT) { | |
362 | error_setg_errno(errp, errno, "Failed to read file: %s", filename); | |
363 | goto fail; | |
364 | } | |
365 | if (e_ident[0] != ELFMAG0 || | |
366 | e_ident[1] != ELFMAG1 || | |
367 | e_ident[2] != ELFMAG2 || | |
368 | e_ident[3] != ELFMAG3) { | |
369 | error_setg(errp, "Bad ELF magic"); | |
370 | goto fail; | |
371 | } | |
372 | ||
373 | is64l = e_ident[EI_CLASS] == ELFCLASS64; | |
374 | hdr_size = is64l ? sizeof(Elf64_Ehdr) : sizeof(Elf32_Ehdr); | |
375 | if (is64) { | |
376 | *is64 = is64l; | |
377 | } | |
378 | ||
379 | off = EI_NIDENT; | |
380 | while (hdr != e_ident_local && off < hdr_size) { | |
381 | size_t br = read(fd, hdr + off, hdr_size - off); | |
382 | switch (br) { | |
383 | case 0: | |
384 | error_setg(errp, "File too short: %s", filename); | |
385 | goto fail; | |
386 | case -1: | |
387 | error_setg_errno(errp, errno, "Failed to read file: %s", | |
388 | filename); | |
389 | goto fail; | |
390 | } | |
391 | off += br; | |
392 | } | |
393 | ||
394 | fail: | |
395 | close(fd); | |
396 | } | |
397 | ||
5fe141fd | 398 | /* return < 0 if error, otherwise the number of bytes loaded in memory */ |
4366e1db LM |
399 | int load_elf(const char *filename, |
400 | uint64_t (*elf_note_fn)(void *, void *, bool), | |
401 | uint64_t (*translate_fn)(void *, uint64_t), | |
409dbce5 | 402 | void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, |
7ef295ea PC |
403 | uint64_t *highaddr, int big_endian, int elf_machine, |
404 | int clear_lsb, int data_swab) | |
70bb1d16 | 405 | { |
4366e1db LM |
406 | return load_elf_as(filename, elf_note_fn, translate_fn, translate_opaque, |
407 | pentry, lowaddr, highaddr, big_endian, elf_machine, | |
408 | clear_lsb, data_swab, NULL); | |
70bb1d16 AF |
409 | } |
410 | ||
411 | /* return < 0 if error, otherwise the number of bytes loaded in memory */ | |
412 | int load_elf_as(const char *filename, | |
4366e1db | 413 | uint64_t (*elf_note_fn)(void *, void *, bool), |
70bb1d16 AF |
414 | uint64_t (*translate_fn)(void *, uint64_t), |
415 | void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, | |
416 | uint64_t *highaddr, int big_endian, int elf_machine, | |
417 | int clear_lsb, int data_swab, AddressSpace *as) | |
34f1b23f | 418 | { |
4366e1db | 419 | return load_elf_ram(filename, elf_note_fn, translate_fn, translate_opaque, |
34f1b23f FA |
420 | pentry, lowaddr, highaddr, big_endian, elf_machine, |
421 | clear_lsb, data_swab, as, true); | |
422 | } | |
423 | ||
424 | /* return < 0 if error, otherwise the number of bytes loaded in memory */ | |
425 | int load_elf_ram(const char *filename, | |
4366e1db | 426 | uint64_t (*elf_note_fn)(void *, void *, bool), |
34f1b23f FA |
427 | uint64_t (*translate_fn)(void *, uint64_t), |
428 | void *translate_opaque, uint64_t *pentry, uint64_t *lowaddr, | |
429 | uint64_t *highaddr, int big_endian, int elf_machine, | |
430 | int clear_lsb, int data_swab, AddressSpace *as, | |
431 | bool load_rom) | |
a2480ffa | 432 | { |
4366e1db LM |
433 | return load_elf_ram_sym(filename, elf_note_fn, |
434 | translate_fn, translate_opaque, | |
a2480ffa MC |
435 | pentry, lowaddr, highaddr, big_endian, |
436 | elf_machine, clear_lsb, data_swab, as, | |
437 | load_rom, NULL); | |
438 | } | |
439 | ||
440 | /* return < 0 if error, otherwise the number of bytes loaded in memory */ | |
441 | int load_elf_ram_sym(const char *filename, | |
4366e1db | 442 | uint64_t (*elf_note_fn)(void *, void *, bool), |
a2480ffa MC |
443 | uint64_t (*translate_fn)(void *, uint64_t), |
444 | void *translate_opaque, uint64_t *pentry, | |
445 | uint64_t *lowaddr, uint64_t *highaddr, int big_endian, | |
446 | int elf_machine, int clear_lsb, int data_swab, | |
447 | AddressSpace *as, bool load_rom, symbol_fn_t sym_cb) | |
5fe141fd | 448 | { |
18674b26 | 449 | int fd, data_order, target_data_order, must_swab, ret = ELF_LOAD_FAILED; |
5fe141fd FB |
450 | uint8_t e_ident[EI_NIDENT]; |
451 | ||
699e4642 | 452 | fd = open(filename, O_RDONLY | O_BINARY); |
5fe141fd FB |
453 | if (fd < 0) { |
454 | perror(filename); | |
455 | return -1; | |
456 | } | |
457 | if (read(fd, e_ident, sizeof(e_ident)) != sizeof(e_ident)) | |
458 | goto fail; | |
459 | if (e_ident[0] != ELFMAG0 || | |
460 | e_ident[1] != ELFMAG1 || | |
461 | e_ident[2] != ELFMAG2 || | |
18674b26 AK |
462 | e_ident[3] != ELFMAG3) { |
463 | ret = ELF_LOAD_NOT_ELF; | |
5fe141fd | 464 | goto fail; |
18674b26 | 465 | } |
e2542fe2 | 466 | #ifdef HOST_WORDS_BIGENDIAN |
5fe141fd FB |
467 | data_order = ELFDATA2MSB; |
468 | #else | |
469 | data_order = ELFDATA2LSB; | |
470 | #endif | |
471 | must_swab = data_order != e_ident[EI_DATA]; | |
ca20cf32 BS |
472 | if (big_endian) { |
473 | target_data_order = ELFDATA2MSB; | |
474 | } else { | |
475 | target_data_order = ELFDATA2LSB; | |
476 | } | |
9042c0e2 | 477 | |
cedf9a6f | 478 | if (target_data_order != e_ident[EI_DATA]) { |
18674b26 | 479 | ret = ELF_LOAD_WRONG_ENDIAN; |
cedf9a6f BS |
480 | goto fail; |
481 | } | |
9042c0e2 | 482 | |
5fe141fd FB |
483 | lseek(fd, 0, SEEK_SET); |
484 | if (e_ident[EI_CLASS] == ELFCLASS64) { | |
4366e1db LM |
485 | ret = load_elf64(filename, fd, elf_note_fn, |
486 | translate_fn, translate_opaque, must_swab, | |
7ef295ea | 487 | pentry, lowaddr, highaddr, elf_machine, clear_lsb, |
a2480ffa | 488 | data_swab, as, load_rom, sym_cb); |
5fe141fd | 489 | } else { |
4366e1db LM |
490 | ret = load_elf32(filename, fd, elf_note_fn, |
491 | translate_fn, translate_opaque, must_swab, | |
7ef295ea | 492 | pentry, lowaddr, highaddr, elf_machine, clear_lsb, |
a2480ffa | 493 | data_swab, as, load_rom, sym_cb); |
5fe141fd FB |
494 | } |
495 | ||
5fe141fd FB |
496 | fail: |
497 | close(fd); | |
18674b26 | 498 | return ret; |
5fe141fd | 499 | } |
1c7b3754 | 500 | |
c227f099 | 501 | static void bswap_uboot_header(uboot_image_header_t *hdr) |
1c7b3754 | 502 | { |
e2542fe2 | 503 | #ifndef HOST_WORDS_BIGENDIAN |
1c7b3754 PB |
504 | bswap32s(&hdr->ih_magic); |
505 | bswap32s(&hdr->ih_hcrc); | |
506 | bswap32s(&hdr->ih_time); | |
507 | bswap32s(&hdr->ih_size); | |
508 | bswap32s(&hdr->ih_load); | |
509 | bswap32s(&hdr->ih_ep); | |
510 | bswap32s(&hdr->ih_dcrc); | |
511 | #endif | |
512 | } | |
513 | ||
5a123577 AL |
514 | |
515 | #define ZALLOC_ALIGNMENT 16 | |
516 | ||
517 | static void *zalloc(void *x, unsigned items, unsigned size) | |
518 | { | |
519 | void *p; | |
520 | ||
521 | size *= items; | |
522 | size = (size + ZALLOC_ALIGNMENT - 1) & ~(ZALLOC_ALIGNMENT - 1); | |
523 | ||
7267c094 | 524 | p = g_malloc(size); |
5a123577 AL |
525 | |
526 | return (p); | |
527 | } | |
528 | ||
d084eab6 | 529 | static void zfree(void *x, void *addr) |
5a123577 | 530 | { |
7267c094 | 531 | g_free(addr); |
5a123577 AL |
532 | } |
533 | ||
534 | ||
535 | #define HEAD_CRC 2 | |
536 | #define EXTRA_FIELD 4 | |
537 | #define ORIG_NAME 8 | |
538 | #define COMMENT 0x10 | |
539 | #define RESERVED 0xe0 | |
540 | ||
541 | #define DEFLATED 8 | |
542 | ||
51b58561 | 543 | ssize_t gunzip(void *dst, size_t dstlen, uint8_t *src, size_t srclen) |
5a123577 AL |
544 | { |
545 | z_stream s; | |
546 | ssize_t dstbytes; | |
547 | int r, i, flags; | |
548 | ||
549 | /* skip header */ | |
550 | i = 10; | |
551 | flags = src[3]; | |
552 | if (src[2] != DEFLATED || (flags & RESERVED) != 0) { | |
553 | puts ("Error: Bad gzipped data\n"); | |
554 | return -1; | |
555 | } | |
556 | if ((flags & EXTRA_FIELD) != 0) | |
557 | i = 12 + src[10] + (src[11] << 8); | |
558 | if ((flags & ORIG_NAME) != 0) | |
559 | while (src[i++] != 0) | |
560 | ; | |
561 | if ((flags & COMMENT) != 0) | |
562 | while (src[i++] != 0) | |
563 | ; | |
564 | if ((flags & HEAD_CRC) != 0) | |
565 | i += 2; | |
566 | if (i >= srclen) { | |
567 | puts ("Error: gunzip out of data in header\n"); | |
568 | return -1; | |
569 | } | |
570 | ||
571 | s.zalloc = zalloc; | |
d084eab6 | 572 | s.zfree = zfree; |
5a123577 AL |
573 | |
574 | r = inflateInit2(&s, -MAX_WBITS); | |
575 | if (r != Z_OK) { | |
576 | printf ("Error: inflateInit2() returned %d\n", r); | |
577 | return (-1); | |
578 | } | |
579 | s.next_in = src + i; | |
580 | s.avail_in = srclen - i; | |
581 | s.next_out = dst; | |
582 | s.avail_out = dstlen; | |
583 | r = inflate(&s, Z_FINISH); | |
584 | if (r != Z_OK && r != Z_STREAM_END) { | |
585 | printf ("Error: inflate() returned %d\n", r); | |
586 | return -1; | |
587 | } | |
588 | dstbytes = s.next_out - (unsigned char *) dst; | |
589 | inflateEnd(&s); | |
590 | ||
591 | return dstbytes; | |
592 | } | |
593 | ||
1c7b3754 | 594 | /* Load a U-Boot image. */ |
84aee0de | 595 | static int load_uboot_image(const char *filename, hwaddr *ep, hwaddr *loadaddr, |
25bda50a MF |
596 | int *is_linux, uint8_t image_type, |
597 | uint64_t (*translate_fn)(void *, uint64_t), | |
5e774eb3 | 598 | void *translate_opaque, AddressSpace *as) |
1c7b3754 | 599 | { |
1c7b3754 PB |
600 | int fd; |
601 | int size; | |
84aee0de | 602 | hwaddr address; |
c227f099 AL |
603 | uboot_image_header_t h; |
604 | uboot_image_header_t *hdr = &h; | |
1c7b3754 | 605 | uint8_t *data = NULL; |
265ca29a | 606 | int ret = -1; |
84aee0de | 607 | int do_uncompress = 0; |
1c7b3754 PB |
608 | |
609 | fd = open(filename, O_RDONLY | O_BINARY); | |
610 | if (fd < 0) | |
611 | return -1; | |
612 | ||
c227f099 | 613 | size = read(fd, hdr, sizeof(uboot_image_header_t)); |
a18e9312 | 614 | if (size < sizeof(uboot_image_header_t)) { |
265ca29a | 615 | goto out; |
a18e9312 | 616 | } |
1c7b3754 PB |
617 | |
618 | bswap_uboot_header(hdr); | |
619 | ||
620 | if (hdr->ih_magic != IH_MAGIC) | |
265ca29a | 621 | goto out; |
1c7b3754 | 622 | |
84aee0de | 623 | if (hdr->ih_type != image_type) { |
f831f955 NH |
624 | if (!(image_type == IH_TYPE_KERNEL && |
625 | hdr->ih_type == IH_TYPE_KERNEL_NOLOAD)) { | |
626 | fprintf(stderr, "Wrong image type %d, expected %d\n", hdr->ih_type, | |
627 | image_type); | |
628 | goto out; | |
629 | } | |
1c7b3754 PB |
630 | } |
631 | ||
84aee0de SB |
632 | /* TODO: Implement other image types. */ |
633 | switch (hdr->ih_type) { | |
f831f955 NH |
634 | case IH_TYPE_KERNEL_NOLOAD: |
635 | if (!loadaddr || *loadaddr == LOAD_UIMAGE_LOADADDR_INVALID) { | |
636 | fprintf(stderr, "this image format (kernel_noload) cannot be " | |
637 | "loaded on this machine type"); | |
638 | goto out; | |
639 | } | |
640 | ||
641 | hdr->ih_load = *loadaddr + sizeof(*hdr); | |
642 | hdr->ih_ep += hdr->ih_load; | |
643 | /* fall through */ | |
84aee0de SB |
644 | case IH_TYPE_KERNEL: |
645 | address = hdr->ih_load; | |
25bda50a MF |
646 | if (translate_fn) { |
647 | address = translate_fn(translate_opaque, address); | |
648 | } | |
84aee0de SB |
649 | if (loadaddr) { |
650 | *loadaddr = hdr->ih_load; | |
651 | } | |
652 | ||
653 | switch (hdr->ih_comp) { | |
654 | case IH_COMP_NONE: | |
655 | break; | |
656 | case IH_COMP_GZIP: | |
657 | do_uncompress = 1; | |
658 | break; | |
659 | default: | |
660 | fprintf(stderr, | |
661 | "Unable to load u-boot images with compression type %d\n", | |
662 | hdr->ih_comp); | |
663 | goto out; | |
664 | } | |
665 | ||
666 | if (ep) { | |
667 | *ep = hdr->ih_ep; | |
668 | } | |
669 | ||
670 | /* TODO: Check CPU type. */ | |
671 | if (is_linux) { | |
672 | if (hdr->ih_os == IH_OS_LINUX) { | |
673 | *is_linux = 1; | |
674 | } else { | |
675 | *is_linux = 0; | |
676 | } | |
677 | } | |
678 | ||
679 | break; | |
680 | case IH_TYPE_RAMDISK: | |
681 | address = *loadaddr; | |
5a123577 AL |
682 | break; |
683 | default: | |
84aee0de | 684 | fprintf(stderr, "Unsupported u-boot image type %d\n", hdr->ih_type); |
265ca29a | 685 | goto out; |
1c7b3754 PB |
686 | } |
687 | ||
7267c094 | 688 | data = g_malloc(hdr->ih_size); |
1c7b3754 PB |
689 | |
690 | if (read(fd, data, hdr->ih_size) != hdr->ih_size) { | |
691 | fprintf(stderr, "Error reading file\n"); | |
265ca29a | 692 | goto out; |
1c7b3754 PB |
693 | } |
694 | ||
84aee0de | 695 | if (do_uncompress) { |
5a123577 AL |
696 | uint8_t *compressed_data; |
697 | size_t max_bytes; | |
698 | ssize_t bytes; | |
699 | ||
700 | compressed_data = data; | |
701 | max_bytes = UBOOT_MAX_GUNZIP_BYTES; | |
7267c094 | 702 | data = g_malloc(max_bytes); |
5a123577 AL |
703 | |
704 | bytes = gunzip(data, max_bytes, compressed_data, hdr->ih_size); | |
7267c094 | 705 | g_free(compressed_data); |
5a123577 AL |
706 | if (bytes < 0) { |
707 | fprintf(stderr, "Unable to decompress gzipped image!\n"); | |
708 | goto out; | |
709 | } | |
710 | hdr->ih_size = bytes; | |
711 | } | |
712 | ||
5e774eb3 | 713 | rom_add_blob_fixed_as(filename, data, hdr->ih_size, address, as); |
21cafd08 | 714 | |
265ca29a | 715 | ret = hdr->ih_size; |
1c7b3754 | 716 | |
265ca29a | 717 | out: |
ef1e1e07 | 718 | g_free(data); |
1c7b3754 | 719 | close(fd); |
265ca29a | 720 | return ret; |
1c7b3754 | 721 | } |
45a50b16 | 722 | |
84aee0de | 723 | int load_uimage(const char *filename, hwaddr *ep, hwaddr *loadaddr, |
25bda50a MF |
724 | int *is_linux, |
725 | uint64_t (*translate_fn)(void *, uint64_t), | |
726 | void *translate_opaque) | |
84aee0de | 727 | { |
25bda50a | 728 | return load_uboot_image(filename, ep, loadaddr, is_linux, IH_TYPE_KERNEL, |
5e774eb3 AF |
729 | translate_fn, translate_opaque, NULL); |
730 | } | |
731 | ||
732 | int load_uimage_as(const char *filename, hwaddr *ep, hwaddr *loadaddr, | |
733 | int *is_linux, | |
734 | uint64_t (*translate_fn)(void *, uint64_t), | |
735 | void *translate_opaque, AddressSpace *as) | |
736 | { | |
737 | return load_uboot_image(filename, ep, loadaddr, is_linux, IH_TYPE_KERNEL, | |
738 | translate_fn, translate_opaque, as); | |
84aee0de SB |
739 | } |
740 | ||
741 | /* Load a ramdisk. */ | |
742 | int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz) | |
97df5fee PM |
743 | { |
744 | return load_ramdisk_as(filename, addr, max_sz, NULL); | |
745 | } | |
746 | ||
747 | int load_ramdisk_as(const char *filename, hwaddr addr, uint64_t max_sz, | |
748 | AddressSpace *as) | |
84aee0de | 749 | { |
25bda50a | 750 | return load_uboot_image(filename, NULL, &addr, NULL, IH_TYPE_RAMDISK, |
97df5fee | 751 | NULL, NULL, as); |
84aee0de SB |
752 | } |
753 | ||
7d48a0f7 LE |
754 | /* Load a gzip-compressed kernel to a dynamically allocated buffer. */ |
755 | int load_image_gzipped_buffer(const char *filename, uint64_t max_sz, | |
756 | uint8_t **buffer) | |
235e74af RJ |
757 | { |
758 | uint8_t *compressed_data = NULL; | |
759 | uint8_t *data = NULL; | |
760 | gsize len; | |
761 | ssize_t bytes; | |
762 | int ret = -1; | |
763 | ||
764 | if (!g_file_get_contents(filename, (char **) &compressed_data, &len, | |
765 | NULL)) { | |
766 | goto out; | |
767 | } | |
768 | ||
769 | /* Is it a gzip-compressed file? */ | |
770 | if (len < 2 || | |
771 | compressed_data[0] != 0x1f || | |
772 | compressed_data[1] != 0x8b) { | |
773 | goto out; | |
774 | } | |
775 | ||
776 | if (max_sz > LOAD_IMAGE_MAX_GUNZIP_BYTES) { | |
777 | max_sz = LOAD_IMAGE_MAX_GUNZIP_BYTES; | |
778 | } | |
779 | ||
780 | data = g_malloc(max_sz); | |
781 | bytes = gunzip(data, max_sz, compressed_data, len); | |
782 | if (bytes < 0) { | |
783 | fprintf(stderr, "%s: unable to decompress gzipped kernel file\n", | |
784 | filename); | |
785 | goto out; | |
786 | } | |
787 | ||
7d48a0f7 LE |
788 | /* trim to actual size and return to caller */ |
789 | *buffer = g_realloc(data, bytes); | |
235e74af | 790 | ret = bytes; |
7d48a0f7 LE |
791 | /* ownership has been transferred to caller */ |
792 | data = NULL; | |
235e74af RJ |
793 | |
794 | out: | |
795 | g_free(compressed_data); | |
796 | g_free(data); | |
797 | return ret; | |
798 | } | |
799 | ||
7d48a0f7 LE |
800 | /* Load a gzip-compressed kernel. */ |
801 | int load_image_gzipped(const char *filename, hwaddr addr, uint64_t max_sz) | |
802 | { | |
803 | int bytes; | |
804 | uint8_t *data; | |
805 | ||
806 | bytes = load_image_gzipped_buffer(filename, max_sz, &data); | |
807 | if (bytes != -1) { | |
808 | rom_add_blob_fixed(filename, data, bytes, addr); | |
809 | g_free(data); | |
810 | } | |
811 | return bytes; | |
812 | } | |
813 | ||
45a50b16 GH |
814 | /* |
815 | * Functions for reboot-persistent memory regions. | |
816 | * - used for vga bios and option roms. | |
817 | * - also linux kernel (-kernel / -initrd). | |
818 | */ | |
819 | ||
820 | typedef struct Rom Rom; | |
821 | ||
822 | struct Rom { | |
823 | char *name; | |
824 | char *path; | |
d60fa42e FC |
825 | |
826 | /* datasize is the amount of memory allocated in "data". If datasize is less | |
827 | * than romsize, it means that the area from datasize to romsize is filled | |
828 | * with zeros. | |
829 | */ | |
45a50b16 | 830 | size_t romsize; |
d60fa42e FC |
831 | size_t datasize; |
832 | ||
45a50b16 | 833 | uint8_t *data; |
04920fc0 | 834 | MemoryRegion *mr; |
3e76099a | 835 | AddressSpace *as; |
45a50b16 | 836 | int isrom; |
379526a4 GH |
837 | char *fw_dir; |
838 | char *fw_file; | |
45a50b16 | 839 | |
e2336043 SH |
840 | bool committed; |
841 | ||
a8170e5e | 842 | hwaddr addr; |
45a50b16 GH |
843 | QTAILQ_ENTRY(Rom) next; |
844 | }; | |
845 | ||
8832cb80 | 846 | static FWCfgState *fw_cfg; |
45a50b16 GH |
847 | static QTAILQ_HEAD(, Rom) roms = QTAILQ_HEAD_INITIALIZER(roms); |
848 | ||
e7f59933 SH |
849 | /* rom->data must be heap-allocated (do not use with rom_add_elf_program()) */ |
850 | static void rom_free(Rom *rom) | |
851 | { | |
852 | g_free(rom->data); | |
853 | g_free(rom->path); | |
854 | g_free(rom->name); | |
855 | g_free(rom->fw_dir); | |
856 | g_free(rom->fw_file); | |
857 | g_free(rom); | |
858 | } | |
859 | ||
3e76099a AF |
860 | static inline bool rom_order_compare(Rom *rom, Rom *item) |
861 | { | |
1b57bd4f | 862 | return ((uintptr_t)(void *)rom->as > (uintptr_t)(void *)item->as) || |
3e76099a AF |
863 | (rom->as == item->as && rom->addr >= item->addr); |
864 | } | |
865 | ||
45a50b16 GH |
866 | static void rom_insert(Rom *rom) |
867 | { | |
868 | Rom *item; | |
869 | ||
97fe84f5 PB |
870 | if (roms_loaded) { |
871 | hw_error ("ROM images must be loaded at startup\n"); | |
872 | } | |
873 | ||
3e76099a AF |
874 | /* The user didn't specify an address space, this is the default */ |
875 | if (!rom->as) { | |
876 | rom->as = &address_space_memory; | |
877 | } | |
878 | ||
e2336043 SH |
879 | rom->committed = false; |
880 | ||
3e76099a | 881 | /* List is ordered by load address in the same address space */ |
45a50b16 | 882 | QTAILQ_FOREACH(item, &roms, next) { |
3e76099a | 883 | if (rom_order_compare(rom, item)) { |
45a50b16 | 884 | continue; |
3e76099a | 885 | } |
45a50b16 GH |
886 | QTAILQ_INSERT_BEFORE(item, rom, next); |
887 | return; | |
888 | } | |
889 | QTAILQ_INSERT_TAIL(&roms, rom, next); | |
890 | } | |
891 | ||
a1666142 MT |
892 | static void fw_cfg_resized(const char *id, uint64_t length, void *host) |
893 | { | |
894 | if (fw_cfg) { | |
895 | fw_cfg_modify_file(fw_cfg, id + strlen("/rom@"), host, length); | |
896 | } | |
897 | } | |
898 | ||
baf2d5bf | 899 | static void *rom_set_mr(Rom *rom, Object *owner, const char *name, bool ro) |
04920fc0 MT |
900 | { |
901 | void *data; | |
902 | ||
903 | rom->mr = g_malloc(sizeof(*rom->mr)); | |
a1666142 MT |
904 | memory_region_init_resizeable_ram(rom->mr, owner, name, |
905 | rom->datasize, rom->romsize, | |
906 | fw_cfg_resized, | |
df8abec8 | 907 | &error_fatal); |
baf2d5bf | 908 | memory_region_set_readonly(rom->mr, ro); |
04920fc0 MT |
909 | vmstate_register_ram_global(rom->mr); |
910 | ||
911 | data = memory_region_get_ram_ptr(rom->mr); | |
912 | memcpy(data, rom->data, rom->datasize); | |
913 | ||
914 | return data; | |
915 | } | |
916 | ||
bdb5ee30 | 917 | int rom_add_file(const char *file, const char *fw_dir, |
ac41881b | 918 | hwaddr addr, int32_t bootindex, |
3e76099a AF |
919 | bool option_rom, MemoryRegion *mr, |
920 | AddressSpace *as) | |
45a50b16 | 921 | { |
71ae9e94 | 922 | MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); |
45a50b16 GH |
923 | Rom *rom; |
924 | int rc, fd = -1; | |
2e55e842 | 925 | char devpath[100]; |
45a50b16 | 926 | |
3e76099a AF |
927 | if (as && mr) { |
928 | fprintf(stderr, "Specifying an Address Space and Memory Region is " \ | |
929 | "not valid when loading a rom\n"); | |
930 | /* We haven't allocated anything so we don't need any cleanup */ | |
931 | return -1; | |
932 | } | |
933 | ||
7267c094 AL |
934 | rom = g_malloc0(sizeof(*rom)); |
935 | rom->name = g_strdup(file); | |
45a50b16 | 936 | rom->path = qemu_find_file(QEMU_FILE_TYPE_BIOS, rom->name); |
3e76099a | 937 | rom->as = as; |
45a50b16 | 938 | if (rom->path == NULL) { |
7267c094 | 939 | rom->path = g_strdup(file); |
45a50b16 GH |
940 | } |
941 | ||
cef290b8 | 942 | fd = open(rom->path, O_RDONLY | O_BINARY); |
45a50b16 GH |
943 | if (fd == -1) { |
944 | fprintf(stderr, "Could not open option rom '%s': %s\n", | |
945 | rom->path, strerror(errno)); | |
946 | goto err; | |
947 | } | |
948 | ||
bdb5ee30 | 949 | if (fw_dir) { |
7267c094 AL |
950 | rom->fw_dir = g_strdup(fw_dir); |
951 | rom->fw_file = g_strdup(file); | |
bdb5ee30 | 952 | } |
d60fa42e FC |
953 | rom->addr = addr; |
954 | rom->romsize = lseek(fd, 0, SEEK_END); | |
ddd2eab7 GA |
955 | if (rom->romsize == -1) { |
956 | fprintf(stderr, "rom: file %-20s: get size error: %s\n", | |
957 | rom->name, strerror(errno)); | |
958 | goto err; | |
959 | } | |
960 | ||
d60fa42e FC |
961 | rom->datasize = rom->romsize; |
962 | rom->data = g_malloc0(rom->datasize); | |
45a50b16 | 963 | lseek(fd, 0, SEEK_SET); |
d60fa42e FC |
964 | rc = read(fd, rom->data, rom->datasize); |
965 | if (rc != rom->datasize) { | |
45a50b16 | 966 | fprintf(stderr, "rom: file %-20s: read error: rc=%d (expected %zd)\n", |
d60fa42e | 967 | rom->name, rc, rom->datasize); |
45a50b16 GH |
968 | goto err; |
969 | } | |
970 | close(fd); | |
971 | rom_insert(rom); | |
de1f34cb GN |
972 | if (rom->fw_file && fw_cfg) { |
973 | const char *basename; | |
35c12e60 | 974 | char fw_file_name[FW_CFG_MAX_FILE_PATH]; |
04920fc0 | 975 | void *data; |
de1f34cb GN |
976 | |
977 | basename = strrchr(rom->fw_file, '/'); | |
978 | if (basename) { | |
979 | basename++; | |
980 | } else { | |
981 | basename = rom->fw_file; | |
982 | } | |
983 | snprintf(fw_file_name, sizeof(fw_file_name), "%s/%s", rom->fw_dir, | |
984 | basename); | |
2e55e842 | 985 | snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name); |
04920fc0 | 986 | |
71ae9e94 | 987 | if ((!option_rom || mc->option_rom_has_mr) && mc->rom_file_has_mr) { |
baf2d5bf | 988 | data = rom_set_mr(rom, OBJECT(fw_cfg), devpath, true); |
04920fc0 MT |
989 | } else { |
990 | data = rom->data; | |
991 | } | |
992 | ||
993 | fw_cfg_add_file(fw_cfg, fw_file_name, data, rom->romsize); | |
2e55e842 | 994 | } else { |
76151cac PM |
995 | if (mr) { |
996 | rom->mr = mr; | |
997 | snprintf(devpath, sizeof(devpath), "/rom@%s", file); | |
998 | } else { | |
999 | snprintf(devpath, sizeof(devpath), "/rom@" TARGET_FMT_plx, addr); | |
1000 | } | |
de1f34cb | 1001 | } |
2e55e842 GN |
1002 | |
1003 | add_boot_device_path(bootindex, NULL, devpath); | |
45a50b16 GH |
1004 | return 0; |
1005 | ||
1006 | err: | |
1007 | if (fd != -1) | |
1008 | close(fd); | |
ed2f3bc1 | 1009 | |
e7f59933 | 1010 | rom_free(rom); |
45a50b16 GH |
1011 | return -1; |
1012 | } | |
1013 | ||
339240b5 | 1014 | MemoryRegion *rom_add_blob(const char *name, const void *blob, size_t len, |
a1666142 | 1015 | size_t max_len, hwaddr addr, const char *fw_file_name, |
6f6f4aec | 1016 | FWCfgCallback fw_callback, void *callback_opaque, |
baf2d5bf | 1017 | AddressSpace *as, bool read_only) |
45a50b16 | 1018 | { |
71ae9e94 | 1019 | MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); |
45a50b16 | 1020 | Rom *rom; |
339240b5 | 1021 | MemoryRegion *mr = NULL; |
45a50b16 | 1022 | |
d60fa42e FC |
1023 | rom = g_malloc0(sizeof(*rom)); |
1024 | rom->name = g_strdup(name); | |
aa6c6ae8 | 1025 | rom->as = as; |
d60fa42e | 1026 | rom->addr = addr; |
a1666142 | 1027 | rom->romsize = max_len ? max_len : len; |
d60fa42e FC |
1028 | rom->datasize = len; |
1029 | rom->data = g_malloc0(rom->datasize); | |
45a50b16 GH |
1030 | memcpy(rom->data, blob, len); |
1031 | rom_insert(rom); | |
48354cc5 MT |
1032 | if (fw_file_name && fw_cfg) { |
1033 | char devpath[100]; | |
ad5b88b1 | 1034 | void *data; |
48354cc5 | 1035 | |
baf2d5bf MT |
1036 | if (read_only) { |
1037 | snprintf(devpath, sizeof(devpath), "/rom@%s", fw_file_name); | |
1038 | } else { | |
1039 | snprintf(devpath, sizeof(devpath), "/ram@%s", fw_file_name); | |
1040 | } | |
48354cc5 | 1041 | |
71ae9e94 | 1042 | if (mc->rom_file_has_mr) { |
baf2d5bf | 1043 | data = rom_set_mr(rom, OBJECT(fw_cfg), devpath, read_only); |
339240b5 | 1044 | mr = rom->mr; |
48354cc5 MT |
1045 | } else { |
1046 | data = rom->data; | |
1047 | } | |
1048 | ||
1049 | fw_cfg_add_file_callback(fw_cfg, fw_file_name, | |
5f9252f7 | 1050 | fw_callback, NULL, callback_opaque, |
baf2d5bf | 1051 | data, rom->datasize, read_only); |
48354cc5 | 1052 | } |
339240b5 | 1053 | return mr; |
45a50b16 GH |
1054 | } |
1055 | ||
d60fa42e FC |
1056 | /* This function is specific for elf program because we don't need to allocate |
1057 | * all the rom. We just allocate the first part and the rest is just zeros. This | |
1058 | * is why romsize and datasize are different. Also, this function seize the | |
1059 | * memory ownership of "data", so we don't have to allocate and copy the buffer. | |
1060 | */ | |
1061 | int rom_add_elf_program(const char *name, void *data, size_t datasize, | |
3e76099a | 1062 | size_t romsize, hwaddr addr, AddressSpace *as) |
d60fa42e FC |
1063 | { |
1064 | Rom *rom; | |
1065 | ||
1066 | rom = g_malloc0(sizeof(*rom)); | |
1067 | rom->name = g_strdup(name); | |
1068 | rom->addr = addr; | |
1069 | rom->datasize = datasize; | |
1070 | rom->romsize = romsize; | |
1071 | rom->data = data; | |
3e76099a | 1072 | rom->as = as; |
d60fa42e FC |
1073 | rom_insert(rom); |
1074 | return 0; | |
1075 | } | |
1076 | ||
de2aff17 GH |
1077 | int rom_add_vga(const char *file) |
1078 | { | |
3e76099a | 1079 | return rom_add_file(file, "vgaroms", 0, -1, true, NULL, NULL); |
de2aff17 GH |
1080 | } |
1081 | ||
2e55e842 | 1082 | int rom_add_option(const char *file, int32_t bootindex) |
de2aff17 | 1083 | { |
3e76099a | 1084 | return rom_add_file(file, "genroms", 0, bootindex, true, NULL, NULL); |
de2aff17 GH |
1085 | } |
1086 | ||
45a50b16 GH |
1087 | static void rom_reset(void *unused) |
1088 | { | |
1089 | Rom *rom; | |
1090 | ||
1091 | QTAILQ_FOREACH(rom, &roms, next) { | |
e405a2ba AK |
1092 | if (rom->fw_file) { |
1093 | continue; | |
1094 | } | |
bdb5ee30 | 1095 | if (rom->data == NULL) { |
45a50b16 | 1096 | continue; |
bdb5ee30 | 1097 | } |
04920fc0 MT |
1098 | if (rom->mr) { |
1099 | void *host = memory_region_get_ram_ptr(rom->mr); | |
1100 | memcpy(host, rom->data, rom->datasize); | |
1101 | } else { | |
3c8133f9 PM |
1102 | address_space_write_rom(rom->as, rom->addr, MEMTXATTRS_UNSPECIFIED, |
1103 | rom->data, rom->datasize); | |
04920fc0 | 1104 | } |
45a50b16 GH |
1105 | if (rom->isrom) { |
1106 | /* rom needs to be written only once */ | |
7267c094 | 1107 | g_free(rom->data); |
45a50b16 GH |
1108 | rom->data = NULL; |
1109 | } | |
582b55a9 AG |
1110 | /* |
1111 | * The rom loader is really on the same level as firmware in the guest | |
1112 | * shadowing a ROM into RAM. Such a shadowing mechanism needs to ensure | |
1113 | * that the instruction cache for that new region is clear, so that the | |
1114 | * CPU definitely fetches its instructions from the just written data. | |
1115 | */ | |
1116 | cpu_flush_icache_range(rom->addr, rom->datasize); | |
45a50b16 GH |
1117 | } |
1118 | } | |
1119 | ||
6b3f7f63 | 1120 | int rom_check_and_register_reset(void) |
45a50b16 | 1121 | { |
a8170e5e | 1122 | hwaddr addr = 0; |
dcc5cd33 | 1123 | MemoryRegionSection section; |
45a50b16 | 1124 | Rom *rom; |
3e76099a | 1125 | AddressSpace *as = NULL; |
45a50b16 GH |
1126 | |
1127 | QTAILQ_FOREACH(rom, &roms, next) { | |
e405a2ba AK |
1128 | if (rom->fw_file) { |
1129 | continue; | |
1130 | } | |
ca316c11 MCA |
1131 | if (!rom->mr) { |
1132 | if ((addr > rom->addr) && (as == rom->as)) { | |
1133 | fprintf(stderr, "rom: requested regions overlap " | |
1134 | "(rom %s. free=0x" TARGET_FMT_plx | |
1135 | ", addr=0x" TARGET_FMT_plx ")\n", | |
1136 | rom->name, addr, rom->addr); | |
1137 | return -1; | |
1138 | } | |
1139 | addr = rom->addr; | |
1140 | addr += rom->romsize; | |
1141 | as = rom->as; | |
45a50b16 | 1142 | } |
d6ac342a AF |
1143 | section = memory_region_find(rom->mr ? rom->mr : get_system_memory(), |
1144 | rom->addr, 1); | |
052e87b0 | 1145 | rom->isrom = int128_nz(section.size) && memory_region_is_rom(section.mr); |
dfde4e6e | 1146 | memory_region_unref(section.mr); |
45a50b16 GH |
1147 | } |
1148 | qemu_register_reset(rom_reset, NULL); | |
d916b464 | 1149 | roms_loaded = 1; |
6b3f7f63 | 1150 | return 0; |
d916b464 MT |
1151 | } |
1152 | ||
a88b362c | 1153 | void rom_set_fw(FWCfgState *f) |
379526a4 | 1154 | { |
8832cb80 | 1155 | fw_cfg = f; |
379526a4 GH |
1156 | } |
1157 | ||
bab47d9a GH |
1158 | void rom_set_order_override(int order) |
1159 | { | |
1160 | if (!fw_cfg) | |
1161 | return; | |
1162 | fw_cfg_set_order_override(fw_cfg, order); | |
1163 | } | |
1164 | ||
1165 | void rom_reset_order_override(void) | |
1166 | { | |
1167 | if (!fw_cfg) | |
1168 | return; | |
1169 | fw_cfg_reset_order_override(fw_cfg); | |
1170 | } | |
1171 | ||
e2336043 SH |
1172 | void rom_transaction_begin(void) |
1173 | { | |
1174 | Rom *rom; | |
1175 | ||
1176 | /* Ignore ROMs added without the transaction API */ | |
1177 | QTAILQ_FOREACH(rom, &roms, next) { | |
1178 | rom->committed = true; | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | void rom_transaction_end(bool commit) | |
1183 | { | |
1184 | Rom *rom; | |
1185 | Rom *tmp; | |
1186 | ||
1187 | QTAILQ_FOREACH_SAFE(rom, &roms, next, tmp) { | |
1188 | if (rom->committed) { | |
1189 | continue; | |
1190 | } | |
1191 | if (commit) { | |
1192 | rom->committed = true; | |
1193 | } else { | |
1194 | QTAILQ_REMOVE(&roms, rom, next); | |
1195 | rom_free(rom); | |
1196 | } | |
1197 | } | |
1198 | } | |
1199 | ||
0f0f8b61 | 1200 | static Rom *find_rom(hwaddr addr, size_t size) |
3c178e72 GH |
1201 | { |
1202 | Rom *rom; | |
1203 | ||
1204 | QTAILQ_FOREACH(rom, &roms, next) { | |
f21a59c2 AJ |
1205 | if (rom->fw_file) { |
1206 | continue; | |
1207 | } | |
04920fc0 MT |
1208 | if (rom->mr) { |
1209 | continue; | |
1210 | } | |
bdb5ee30 | 1211 | if (rom->addr > addr) { |
3c178e72 | 1212 | continue; |
bdb5ee30 | 1213 | } |
0f0f8b61 | 1214 | if (rom->addr + rom->romsize < addr + size) { |
3c178e72 | 1215 | continue; |
bdb5ee30 | 1216 | } |
3c178e72 GH |
1217 | return rom; |
1218 | } | |
1219 | return NULL; | |
1220 | } | |
1221 | ||
935effc2 KW |
1222 | /* |
1223 | * Copies memory from registered ROMs to dest. Any memory that is contained in | |
1224 | * a ROM between addr and addr + size is copied. Note that this can involve | |
1225 | * multiple ROMs, which need not start at addr and need not end at addr + size. | |
1226 | */ | |
a8170e5e | 1227 | int rom_copy(uint8_t *dest, hwaddr addr, size_t size) |
235f86ef | 1228 | { |
a8170e5e | 1229 | hwaddr end = addr + size; |
235f86ef AG |
1230 | uint8_t *s, *d = dest; |
1231 | size_t l = 0; | |
1232 | Rom *rom; | |
1233 | ||
1234 | QTAILQ_FOREACH(rom, &roms, next) { | |
f21a59c2 AJ |
1235 | if (rom->fw_file) { |
1236 | continue; | |
1237 | } | |
04920fc0 MT |
1238 | if (rom->mr) { |
1239 | continue; | |
1240 | } | |
bdb5ee30 | 1241 | if (rom->addr + rom->romsize < addr) { |
632cf034 | 1242 | continue; |
bdb5ee30 GH |
1243 | } |
1244 | if (rom->addr > end) { | |
235f86ef | 1245 | break; |
bdb5ee30 | 1246 | } |
235f86ef | 1247 | |
632cf034 | 1248 | d = dest + (rom->addr - addr); |
235f86ef | 1249 | s = rom->data; |
d60fa42e | 1250 | l = rom->datasize; |
235f86ef | 1251 | |
235f86ef AG |
1252 | if ((d + l) > (dest + size)) { |
1253 | l = dest - d; | |
1254 | } | |
1255 | ||
0dd5ce38 MB |
1256 | if (l > 0) { |
1257 | memcpy(d, s, l); | |
1258 | } | |
d60fa42e FC |
1259 | |
1260 | if (rom->romsize > rom->datasize) { | |
1261 | /* If datasize is less than romsize, it means that we didn't | |
1262 | * allocate all the ROM because the trailing data are only zeros. | |
1263 | */ | |
1264 | ||
1265 | d += l; | |
1266 | l = rom->romsize - rom->datasize; | |
1267 | ||
1268 | if ((d + l) > (dest + size)) { | |
1269 | /* Rom size doesn't fit in the destination area. Adjust to avoid | |
1270 | * overflow. | |
1271 | */ | |
1272 | l = dest - d; | |
1273 | } | |
1274 | ||
1275 | if (l > 0) { | |
1276 | memset(d, 0x0, l); | |
1277 | } | |
1278 | } | |
235f86ef AG |
1279 | } |
1280 | ||
1281 | return (d + l) - dest; | |
1282 | } | |
1283 | ||
0f0f8b61 | 1284 | void *rom_ptr(hwaddr addr, size_t size) |
3c178e72 GH |
1285 | { |
1286 | Rom *rom; | |
1287 | ||
0f0f8b61 | 1288 | rom = find_rom(addr, size); |
3c178e72 GH |
1289 | if (!rom || !rom->data) |
1290 | return NULL; | |
632cf034 | 1291 | return rom->data + (addr - rom->addr); |
3c178e72 GH |
1292 | } |
1293 | ||
1ce6be24 | 1294 | void hmp_info_roms(Monitor *mon, const QDict *qdict) |
45a50b16 GH |
1295 | { |
1296 | Rom *rom; | |
1297 | ||
1298 | QTAILQ_FOREACH(rom, &roms, next) { | |
04920fc0 MT |
1299 | if (rom->mr) { |
1300 | monitor_printf(mon, "%s" | |
1301 | " size=0x%06zx name=\"%s\"\n", | |
401cf7fd | 1302 | memory_region_name(rom->mr), |
04920fc0 MT |
1303 | rom->romsize, |
1304 | rom->name); | |
1305 | } else if (!rom->fw_file) { | |
632cf034 | 1306 | monitor_printf(mon, "addr=" TARGET_FMT_plx |
b2bedb21 | 1307 | " size=0x%06zx mem=%s name=\"%s\"\n", |
632cf034 GH |
1308 | rom->addr, rom->romsize, |
1309 | rom->isrom ? "rom" : "ram", | |
1310 | rom->name); | |
1311 | } else { | |
bdb5ee30 | 1312 | monitor_printf(mon, "fw=%s/%s" |
b2bedb21 | 1313 | " size=0x%06zx name=\"%s\"\n", |
bdb5ee30 | 1314 | rom->fw_dir, |
632cf034 GH |
1315 | rom->fw_file, |
1316 | rom->romsize, | |
1317 | rom->name); | |
1318 | } | |
45a50b16 GH |
1319 | } |
1320 | } | |
e4a25ed9 SH |
1321 | |
1322 | typedef enum HexRecord HexRecord; | |
1323 | enum HexRecord { | |
1324 | DATA_RECORD = 0, | |
1325 | EOF_RECORD, | |
1326 | EXT_SEG_ADDR_RECORD, | |
1327 | START_SEG_ADDR_RECORD, | |
1328 | EXT_LINEAR_ADDR_RECORD, | |
1329 | START_LINEAR_ADDR_RECORD, | |
1330 | }; | |
1331 | ||
1332 | /* Each record contains a 16-bit address which is combined with the upper 16 | |
1333 | * bits of the implicit "next address" to form a 32-bit address. | |
1334 | */ | |
1335 | #define NEXT_ADDR_MASK 0xffff0000 | |
1336 | ||
1337 | #define DATA_FIELD_MAX_LEN 0xff | |
1338 | #define LEN_EXCEPT_DATA 0x5 | |
1339 | /* 0x5 = sizeof(byte_count) + sizeof(address) + sizeof(record_type) + | |
1340 | * sizeof(checksum) */ | |
1341 | typedef struct { | |
1342 | uint8_t byte_count; | |
1343 | uint16_t address; | |
1344 | uint8_t record_type; | |
1345 | uint8_t data[DATA_FIELD_MAX_LEN]; | |
1346 | uint8_t checksum; | |
1347 | } HexLine; | |
1348 | ||
1349 | /* return 0 or -1 if error */ | |
1350 | static bool parse_record(HexLine *line, uint8_t *our_checksum, const uint8_t c, | |
1351 | uint32_t *index, const bool in_process) | |
1352 | { | |
1353 | /* +-------+---------------+-------+---------------------+--------+ | |
1354 | * | byte | |record | | | | |
1355 | * | count | address | type | data |checksum| | |
1356 | * +-------+---------------+-------+---------------------+--------+ | |
1357 | * ^ ^ ^ ^ ^ ^ | |
1358 | * |1 byte | 2 bytes |1 byte | 0-255 bytes | 1 byte | | |
1359 | */ | |
1360 | uint8_t value = 0; | |
1361 | uint32_t idx = *index; | |
1362 | /* ignore space */ | |
1363 | if (g_ascii_isspace(c)) { | |
1364 | return true; | |
1365 | } | |
1366 | if (!g_ascii_isxdigit(c) || !in_process) { | |
1367 | return false; | |
1368 | } | |
1369 | value = g_ascii_xdigit_value(c); | |
1370 | value = (idx & 0x1) ? (value & 0xf) : (value << 4); | |
1371 | if (idx < 2) { | |
1372 | line->byte_count |= value; | |
1373 | } else if (2 <= idx && idx < 6) { | |
1374 | line->address <<= 4; | |
1375 | line->address += g_ascii_xdigit_value(c); | |
1376 | } else if (6 <= idx && idx < 8) { | |
1377 | line->record_type |= value; | |
1378 | } else if (8 <= idx && idx < 8 + 2 * line->byte_count) { | |
1379 | line->data[(idx - 8) >> 1] |= value; | |
1380 | } else if (8 + 2 * line->byte_count <= idx && | |
1381 | idx < 10 + 2 * line->byte_count) { | |
1382 | line->checksum |= value; | |
1383 | } else { | |
1384 | return false; | |
1385 | } | |
1386 | *our_checksum += value; | |
1387 | ++(*index); | |
1388 | return true; | |
1389 | } | |
1390 | ||
1391 | typedef struct { | |
1392 | const char *filename; | |
1393 | HexLine line; | |
1394 | uint8_t *bin_buf; | |
1395 | hwaddr *start_addr; | |
1396 | int total_size; | |
1397 | uint32_t next_address_to_write; | |
1398 | uint32_t current_address; | |
1399 | uint32_t current_rom_index; | |
1400 | uint32_t rom_start_address; | |
1401 | AddressSpace *as; | |
1402 | } HexParser; | |
1403 | ||
1404 | /* return size or -1 if error */ | |
1405 | static int handle_record_type(HexParser *parser) | |
1406 | { | |
1407 | HexLine *line = &(parser->line); | |
1408 | switch (line->record_type) { | |
1409 | case DATA_RECORD: | |
1410 | parser->current_address = | |
1411 | (parser->next_address_to_write & NEXT_ADDR_MASK) | line->address; | |
1412 | /* verify this is a contiguous block of memory */ | |
1413 | if (parser->current_address != parser->next_address_to_write) { | |
1414 | if (parser->current_rom_index != 0) { | |
1415 | rom_add_blob_fixed_as(parser->filename, parser->bin_buf, | |
1416 | parser->current_rom_index, | |
1417 | parser->rom_start_address, parser->as); | |
1418 | } | |
1419 | parser->rom_start_address = parser->current_address; | |
1420 | parser->current_rom_index = 0; | |
1421 | } | |
1422 | ||
1423 | /* copy from line buffer to output bin_buf */ | |
1424 | memcpy(parser->bin_buf + parser->current_rom_index, line->data, | |
1425 | line->byte_count); | |
1426 | parser->current_rom_index += line->byte_count; | |
1427 | parser->total_size += line->byte_count; | |
1428 | /* save next address to write */ | |
1429 | parser->next_address_to_write = | |
1430 | parser->current_address + line->byte_count; | |
1431 | break; | |
1432 | ||
1433 | case EOF_RECORD: | |
1434 | if (parser->current_rom_index != 0) { | |
1435 | rom_add_blob_fixed_as(parser->filename, parser->bin_buf, | |
1436 | parser->current_rom_index, | |
1437 | parser->rom_start_address, parser->as); | |
1438 | } | |
1439 | return parser->total_size; | |
1440 | case EXT_SEG_ADDR_RECORD: | |
1441 | case EXT_LINEAR_ADDR_RECORD: | |
1442 | if (line->byte_count != 2 && line->address != 0) { | |
1443 | return -1; | |
1444 | } | |
1445 | ||
1446 | if (parser->current_rom_index != 0) { | |
1447 | rom_add_blob_fixed_as(parser->filename, parser->bin_buf, | |
1448 | parser->current_rom_index, | |
1449 | parser->rom_start_address, parser->as); | |
1450 | } | |
1451 | ||
1452 | /* save next address to write, | |
1453 | * in case of non-contiguous block of memory */ | |
1454 | parser->next_address_to_write = (line->data[0] << 12) | | |
1455 | (line->data[1] << 4); | |
1456 | if (line->record_type == EXT_LINEAR_ADDR_RECORD) { | |
1457 | parser->next_address_to_write <<= 12; | |
1458 | } | |
1459 | ||
1460 | parser->rom_start_address = parser->next_address_to_write; | |
1461 | parser->current_rom_index = 0; | |
1462 | break; | |
1463 | ||
1464 | case START_SEG_ADDR_RECORD: | |
1465 | if (line->byte_count != 4 && line->address != 0) { | |
1466 | return -1; | |
1467 | } | |
1468 | ||
1469 | /* x86 16-bit CS:IP segmented addressing */ | |
1470 | *(parser->start_addr) = (((line->data[0] << 8) | line->data[1]) << 4) + | |
1471 | ((line->data[2] << 8) | line->data[3]); | |
1472 | break; | |
1473 | ||
1474 | case START_LINEAR_ADDR_RECORD: | |
1475 | if (line->byte_count != 4 && line->address != 0) { | |
1476 | return -1; | |
1477 | } | |
1478 | ||
1479 | *(parser->start_addr) = ldl_be_p(line->data); | |
1480 | break; | |
1481 | ||
1482 | default: | |
1483 | return -1; | |
1484 | } | |
1485 | ||
1486 | return parser->total_size; | |
1487 | } | |
1488 | ||
1489 | /* return size or -1 if error */ | |
1490 | static int parse_hex_blob(const char *filename, hwaddr *addr, uint8_t *hex_blob, | |
1491 | size_t hex_blob_size, AddressSpace *as) | |
1492 | { | |
1493 | bool in_process = false; /* avoid re-enter and | |
1494 | * check whether record begin with ':' */ | |
1495 | uint8_t *end = hex_blob + hex_blob_size; | |
1496 | uint8_t our_checksum = 0; | |
1497 | uint32_t record_index = 0; | |
1498 | HexParser parser = { | |
1499 | .filename = filename, | |
1500 | .bin_buf = g_malloc(hex_blob_size), | |
1501 | .start_addr = addr, | |
1502 | .as = as, | |
1503 | }; | |
1504 | ||
1505 | rom_transaction_begin(); | |
1506 | ||
1507 | for (; hex_blob < end; ++hex_blob) { | |
1508 | switch (*hex_blob) { | |
1509 | case '\r': | |
1510 | case '\n': | |
1511 | if (!in_process) { | |
1512 | break; | |
1513 | } | |
1514 | ||
1515 | in_process = false; | |
1516 | if ((LEN_EXCEPT_DATA + parser.line.byte_count) * 2 != | |
1517 | record_index || | |
1518 | our_checksum != 0) { | |
1519 | parser.total_size = -1; | |
1520 | goto out; | |
1521 | } | |
1522 | ||
1523 | if (handle_record_type(&parser) == -1) { | |
1524 | parser.total_size = -1; | |
1525 | goto out; | |
1526 | } | |
1527 | break; | |
1528 | ||
1529 | /* start of a new record. */ | |
1530 | case ':': | |
1531 | memset(&parser.line, 0, sizeof(HexLine)); | |
1532 | in_process = true; | |
1533 | record_index = 0; | |
1534 | break; | |
1535 | ||
1536 | /* decoding lines */ | |
1537 | default: | |
1538 | if (!parse_record(&parser.line, &our_checksum, *hex_blob, | |
1539 | &record_index, in_process)) { | |
1540 | parser.total_size = -1; | |
1541 | goto out; | |
1542 | } | |
1543 | break; | |
1544 | } | |
1545 | } | |
1546 | ||
1547 | out: | |
1548 | g_free(parser.bin_buf); | |
1549 | rom_transaction_end(parser.total_size != -1); | |
1550 | return parser.total_size; | |
1551 | } | |
1552 | ||
1553 | /* return size or -1 if error */ | |
1554 | int load_targphys_hex_as(const char *filename, hwaddr *entry, AddressSpace *as) | |
1555 | { | |
1556 | gsize hex_blob_size; | |
1557 | gchar *hex_blob; | |
1558 | int total_size = 0; | |
1559 | ||
1560 | if (!g_file_get_contents(filename, &hex_blob, &hex_blob_size, NULL)) { | |
1561 | return -1; | |
1562 | } | |
1563 | ||
1564 | total_size = parse_hex_blob(filename, entry, (uint8_t *)hex_blob, | |
1565 | hex_blob_size, as); | |
1566 | ||
1567 | g_free(hex_blob); | |
1568 | return total_size; | |
1569 | } |