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