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b6396403 SG |
1 | /* |
2 | * (C) Copyright 2000-2009 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
ea51a628 | 8 | #ifndef USE_HOSTCC |
b6396403 | 9 | #include <common.h> |
ea51a628 | 10 | #include <bootstage.h> |
b6396403 | 11 | #include <bzlib.h> |
b6396403 SG |
12 | #include <fdt_support.h> |
13 | #include <lmb.h> | |
14 | #include <malloc.h> | |
15 | #include <asm/io.h> | |
16 | #include <linux/lzo.h> | |
17 | #include <lzma/LzmaTypes.h> | |
18 | #include <lzma/LzmaDec.h> | |
19 | #include <lzma/LzmaTools.h> | |
b6396403 SG |
20 | #if defined(CONFIG_CMD_USB) |
21 | #include <usb.h> | |
22 | #endif | |
ea51a628 SG |
23 | #else |
24 | #include "mkimage.h" | |
25 | #endif | |
b6396403 | 26 | |
ea51a628 SG |
27 | #include <command.h> |
28 | #include <bootm.h> | |
29 | #include <image.h> | |
b6396403 SG |
30 | |
31 | #ifndef CONFIG_SYS_BOOTM_LEN | |
32 | /* use 8MByte as default max gunzip size */ | |
33 | #define CONFIG_SYS_BOOTM_LEN 0x800000 | |
34 | #endif | |
35 | ||
36 | #define IH_INITRD_ARCH IH_ARCH_DEFAULT | |
37 | ||
ea51a628 SG |
38 | #ifndef USE_HOSTCC |
39 | ||
40 | DECLARE_GLOBAL_DATA_PTR; | |
41 | ||
b6396403 SG |
42 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
43 | char * const argv[], bootm_headers_t *images, | |
44 | ulong *os_data, ulong *os_len); | |
45 | ||
46 | #ifdef CONFIG_LMB | |
47 | static void boot_start_lmb(bootm_headers_t *images) | |
48 | { | |
49 | ulong mem_start; | |
50 | phys_size_t mem_size; | |
51 | ||
52 | lmb_init(&images->lmb); | |
53 | ||
54 | mem_start = getenv_bootm_low(); | |
55 | mem_size = getenv_bootm_size(); | |
56 | ||
57 | lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); | |
58 | ||
59 | arch_lmb_reserve(&images->lmb); | |
60 | board_lmb_reserve(&images->lmb); | |
61 | } | |
62 | #else | |
63 | #define lmb_reserve(lmb, base, size) | |
64 | static inline void boot_start_lmb(bootm_headers_t *images) { } | |
65 | #endif | |
66 | ||
67 | static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, | |
68 | char * const argv[]) | |
69 | { | |
70 | memset((void *)&images, 0, sizeof(images)); | |
71 | images.verify = getenv_yesno("verify"); | |
72 | ||
73 | boot_start_lmb(&images); | |
74 | ||
75 | bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); | |
76 | images.state = BOOTM_STATE_START; | |
77 | ||
78 | return 0; | |
79 | } | |
80 | ||
81 | static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, | |
82 | char * const argv[]) | |
83 | { | |
84 | const void *os_hdr; | |
85 | bool ep_found = false; | |
86 | ||
87 | /* get kernel image header, start address and length */ | |
88 | os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, | |
89 | &images, &images.os.image_start, &images.os.image_len); | |
90 | if (images.os.image_len == 0) { | |
91 | puts("ERROR: can't get kernel image!\n"); | |
92 | return 1; | |
93 | } | |
94 | ||
95 | /* get image parameters */ | |
96 | switch (genimg_get_format(os_hdr)) { | |
97 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
98 | case IMAGE_FORMAT_LEGACY: | |
99 | images.os.type = image_get_type(os_hdr); | |
100 | images.os.comp = image_get_comp(os_hdr); | |
101 | images.os.os = image_get_os(os_hdr); | |
102 | ||
103 | images.os.end = image_get_image_end(os_hdr); | |
104 | images.os.load = image_get_load(os_hdr); | |
105 | break; | |
106 | #endif | |
107 | #if defined(CONFIG_FIT) | |
108 | case IMAGE_FORMAT_FIT: | |
109 | if (fit_image_get_type(images.fit_hdr_os, | |
110 | images.fit_noffset_os, | |
111 | &images.os.type)) { | |
112 | puts("Can't get image type!\n"); | |
113 | bootstage_error(BOOTSTAGE_ID_FIT_TYPE); | |
114 | return 1; | |
115 | } | |
116 | ||
117 | if (fit_image_get_comp(images.fit_hdr_os, | |
118 | images.fit_noffset_os, | |
119 | &images.os.comp)) { | |
120 | puts("Can't get image compression!\n"); | |
121 | bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); | |
122 | return 1; | |
123 | } | |
124 | ||
125 | if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, | |
126 | &images.os.os)) { | |
127 | puts("Can't get image OS!\n"); | |
128 | bootstage_error(BOOTSTAGE_ID_FIT_OS); | |
129 | return 1; | |
130 | } | |
131 | ||
132 | images.os.end = fit_get_end(images.fit_hdr_os); | |
133 | ||
134 | if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, | |
135 | &images.os.load)) { | |
136 | puts("Can't get image load address!\n"); | |
137 | bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); | |
138 | return 1; | |
139 | } | |
140 | break; | |
141 | #endif | |
142 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
143 | case IMAGE_FORMAT_ANDROID: | |
144 | images.os.type = IH_TYPE_KERNEL; | |
145 | images.os.comp = IH_COMP_NONE; | |
146 | images.os.os = IH_OS_LINUX; | |
147 | images.ep = images.os.load; | |
148 | ep_found = true; | |
149 | ||
150 | images.os.end = android_image_get_end(os_hdr); | |
151 | images.os.load = android_image_get_kload(os_hdr); | |
152 | break; | |
153 | #endif | |
154 | default: | |
155 | puts("ERROR: unknown image format type!\n"); | |
156 | return 1; | |
157 | } | |
158 | ||
159 | /* find kernel entry point */ | |
160 | if (images.legacy_hdr_valid) { | |
161 | images.ep = image_get_ep(&images.legacy_hdr_os_copy); | |
162 | #if defined(CONFIG_FIT) | |
163 | } else if (images.fit_uname_os) { | |
164 | int ret; | |
165 | ||
166 | ret = fit_image_get_entry(images.fit_hdr_os, | |
167 | images.fit_noffset_os, &images.ep); | |
168 | if (ret) { | |
169 | puts("Can't get entry point property!\n"); | |
170 | return 1; | |
171 | } | |
172 | #endif | |
173 | } else if (!ep_found) { | |
174 | puts("Could not find kernel entry point!\n"); | |
175 | return 1; | |
176 | } | |
177 | ||
178 | if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { | |
179 | images.os.load = images.os.image_start; | |
180 | images.ep += images.os.load; | |
181 | } | |
182 | ||
183 | images.os.start = (ulong)os_hdr; | |
184 | ||
185 | return 0; | |
186 | } | |
187 | ||
188 | static int bootm_find_ramdisk(int flag, int argc, char * const argv[]) | |
189 | { | |
190 | int ret; | |
191 | ||
192 | /* find ramdisk */ | |
193 | ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, | |
194 | &images.rd_start, &images.rd_end); | |
195 | if (ret) { | |
196 | puts("Ramdisk image is corrupt or invalid\n"); | |
197 | return 1; | |
198 | } | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
203 | #if defined(CONFIG_OF_LIBFDT) | |
204 | static int bootm_find_fdt(int flag, int argc, char * const argv[]) | |
205 | { | |
206 | int ret; | |
207 | ||
208 | /* find flattened device tree */ | |
209 | ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, | |
210 | &images.ft_addr, &images.ft_len); | |
211 | if (ret) { | |
212 | puts("Could not find a valid device tree\n"); | |
213 | return 1; | |
214 | } | |
215 | ||
216 | set_working_fdt_addr(images.ft_addr); | |
217 | ||
218 | return 0; | |
219 | } | |
220 | #endif | |
221 | ||
222 | int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[]) | |
223 | { | |
224 | if (bootm_find_ramdisk(flag, argc, argv)) | |
225 | return 1; | |
226 | ||
227 | #if defined(CONFIG_OF_LIBFDT) | |
228 | if (bootm_find_fdt(flag, argc, argv)) | |
229 | return 1; | |
230 | #endif | |
231 | ||
232 | return 0; | |
233 | } | |
234 | ||
235 | static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, | |
236 | char * const argv[]) | |
237 | { | |
238 | if (((images.os.type == IH_TYPE_KERNEL) || | |
239 | (images.os.type == IH_TYPE_KERNEL_NOLOAD) || | |
240 | (images.os.type == IH_TYPE_MULTI)) && | |
241 | (images.os.os == IH_OS_LINUX || | |
242 | images.os.os == IH_OS_VXWORKS)) | |
243 | return bootm_find_ramdisk_fdt(flag, argc, argv); | |
244 | ||
245 | return 0; | |
246 | } | |
ce1400f6 | 247 | #endif /* USE_HOSTCC */ |
b6396403 | 248 | |
2b164f1c SG |
249 | /** |
250 | * decomp_image() - decompress the operating system | |
251 | * | |
252 | * @comp: Compression algorithm that is used (IH_COMP_...) | |
253 | * @load: Destination load address in U-Boot memory | |
254 | * @image_start Image start address (where we are decompressing from) | |
255 | * @type: OS type (IH_OS_...) | |
256 | * @load_bug: Place to decompress to | |
257 | * @image_buf: Address to decompress from | |
258 | * @return 0 if OK, -ve on error (BOOTM_ERR_...) | |
259 | */ | |
260 | static int decomp_image(int comp, ulong load, ulong image_start, int type, | |
261 | void *load_buf, void *image_buf, ulong image_len, | |
262 | ulong *load_end) | |
b6396403 | 263 | { |
2b164f1c SG |
264 | const char *type_name = genimg_get_type_name(type); |
265 | __attribute__((unused)) uint unc_len = CONFIG_SYS_BOOTM_LEN; | |
b6396403 | 266 | |
2b164f1c | 267 | *load_end = load; |
b6396403 SG |
268 | switch (comp) { |
269 | case IH_COMP_NONE: | |
270 | if (load == image_start) { | |
271 | printf(" XIP %s ... ", type_name); | |
b6396403 SG |
272 | } else { |
273 | printf(" Loading %s ... ", type_name); | |
274 | memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); | |
275 | } | |
276 | *load_end = load + image_len; | |
277 | break; | |
278 | #ifdef CONFIG_GZIP | |
279 | case IH_COMP_GZIP: | |
280 | printf(" Uncompressing %s ... ", type_name); | |
281 | if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) { | |
282 | puts("GUNZIP: uncompress, out-of-mem or overwrite error - must RESET board to recover\n"); | |
b6396403 SG |
283 | return BOOTM_ERR_RESET; |
284 | } | |
285 | ||
286 | *load_end = load + image_len; | |
287 | break; | |
288 | #endif /* CONFIG_GZIP */ | |
289 | #ifdef CONFIG_BZIP2 | |
290 | case IH_COMP_BZIP2: | |
291 | printf(" Uncompressing %s ... ", type_name); | |
292 | /* | |
293 | * If we've got less than 4 MB of malloc() space, | |
294 | * use slower decompression algorithm which requires | |
295 | * at most 2300 KB of memory. | |
296 | */ | |
297 | int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, | |
298 | image_buf, image_len, | |
299 | CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); | |
300 | if (i != BZ_OK) { | |
301 | printf("BUNZIP2: uncompress or overwrite error %d - must RESET board to recover\n", | |
302 | i); | |
b6396403 SG |
303 | return BOOTM_ERR_RESET; |
304 | } | |
305 | ||
306 | *load_end = load + unc_len; | |
307 | break; | |
308 | #endif /* CONFIG_BZIP2 */ | |
309 | #ifdef CONFIG_LZMA | |
310 | case IH_COMP_LZMA: { | |
311 | SizeT lzma_len = unc_len; | |
2b164f1c SG |
312 | int ret; |
313 | ||
b6396403 SG |
314 | printf(" Uncompressing %s ... ", type_name); |
315 | ||
316 | ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, | |
317 | image_buf, image_len); | |
318 | unc_len = lzma_len; | |
319 | if (ret != SZ_OK) { | |
320 | printf("LZMA: uncompress or overwrite error %d - must RESET board to recover\n", | |
321 | ret); | |
322 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); | |
323 | return BOOTM_ERR_RESET; | |
324 | } | |
325 | *load_end = load + unc_len; | |
326 | break; | |
327 | } | |
328 | #endif /* CONFIG_LZMA */ | |
329 | #ifdef CONFIG_LZO | |
330 | case IH_COMP_LZO: { | |
331 | size_t size = unc_len; | |
2b164f1c | 332 | int ret; |
b6396403 SG |
333 | |
334 | printf(" Uncompressing %s ... ", type_name); | |
335 | ||
336 | ret = lzop_decompress(image_buf, image_len, load_buf, &size); | |
337 | if (ret != LZO_E_OK) { | |
338 | printf("LZO: uncompress or overwrite error %d - must RESET board to recover\n", | |
339 | ret); | |
b6396403 SG |
340 | return BOOTM_ERR_RESET; |
341 | } | |
342 | ||
343 | *load_end = load + size; | |
344 | break; | |
345 | } | |
346 | #endif /* CONFIG_LZO */ | |
347 | default: | |
348 | printf("Unimplemented compression type %d\n", comp); | |
349 | return BOOTM_ERR_UNIMPLEMENTED; | |
350 | } | |
351 | ||
2b164f1c SG |
352 | puts("OK\n"); |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
ce1400f6 | 357 | #ifndef USE_HOSTCC |
2b164f1c SG |
358 | static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, |
359 | int boot_progress) | |
360 | { | |
361 | image_info_t os = images->os; | |
362 | ulong load = os.load; | |
363 | ulong blob_start = os.start; | |
364 | ulong blob_end = os.end; | |
365 | ulong image_start = os.image_start; | |
366 | ulong image_len = os.image_len; | |
367 | bool no_overlap; | |
368 | void *load_buf, *image_buf; | |
369 | int err; | |
370 | ||
371 | load_buf = map_sysmem(load, 0); | |
372 | image_buf = map_sysmem(os.image_start, image_len); | |
373 | err = decomp_image(os.comp, load, os.image_start, os.type, load_buf, | |
374 | image_buf, image_len, load_end); | |
375 | if (err) { | |
376 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); | |
377 | return err; | |
378 | } | |
b6396403 SG |
379 | flush_cache(load, (*load_end - load) * sizeof(ulong)); |
380 | ||
b6396403 SG |
381 | debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); |
382 | bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); | |
383 | ||
2b164f1c SG |
384 | no_overlap = (os.comp == IH_COMP_NONE && load == image_start); |
385 | ||
b6396403 SG |
386 | if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { |
387 | debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", | |
388 | blob_start, blob_end); | |
389 | debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, | |
390 | *load_end); | |
391 | ||
392 | /* Check what type of image this is. */ | |
393 | if (images->legacy_hdr_valid) { | |
394 | if (image_get_type(&images->legacy_hdr_os_copy) | |
395 | == IH_TYPE_MULTI) | |
396 | puts("WARNING: legacy format multi component image overwritten\n"); | |
397 | return BOOTM_ERR_OVERLAP; | |
398 | } else { | |
399 | puts("ERROR: new format image overwritten - must RESET the board to recover\n"); | |
400 | bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); | |
401 | return BOOTM_ERR_RESET; | |
402 | } | |
403 | } | |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
408 | /** | |
409 | * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot | |
410 | * | |
411 | * @return interrupt flag (0 if interrupts were disabled, non-zero if they were | |
412 | * enabled) | |
413 | */ | |
414 | ulong bootm_disable_interrupts(void) | |
415 | { | |
416 | ulong iflag; | |
417 | ||
418 | /* | |
419 | * We have reached the point of no return: we are going to | |
420 | * overwrite all exception vector code, so we cannot easily | |
421 | * recover from any failures any more... | |
422 | */ | |
423 | iflag = disable_interrupts(); | |
424 | #ifdef CONFIG_NETCONSOLE | |
425 | /* Stop the ethernet stack if NetConsole could have left it up */ | |
426 | eth_halt(); | |
427 | eth_unregister(eth_get_dev()); | |
428 | #endif | |
429 | ||
430 | #if defined(CONFIG_CMD_USB) | |
431 | /* | |
432 | * turn off USB to prevent the host controller from writing to the | |
433 | * SDRAM while Linux is booting. This could happen (at least for OHCI | |
434 | * controller), because the HCCA (Host Controller Communication Area) | |
435 | * lies within the SDRAM and the host controller writes continously to | |
436 | * this area (as busmaster!). The HccaFrameNumber is for example | |
437 | * updated every 1 ms within the HCCA structure in SDRAM! For more | |
438 | * details see the OpenHCI specification. | |
439 | */ | |
440 | usb_stop(); | |
441 | #endif | |
442 | return iflag; | |
443 | } | |
444 | ||
445 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
446 | ||
447 | #define CONSOLE_ARG "console=" | |
448 | #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) | |
449 | ||
450 | static void fixup_silent_linux(void) | |
451 | { | |
452 | char *buf; | |
453 | const char *env_val; | |
454 | char *cmdline = getenv("bootargs"); | |
455 | int want_silent; | |
456 | ||
457 | /* | |
458 | * Only fix cmdline when requested. The environment variable can be: | |
459 | * | |
460 | * no - we never fixup | |
461 | * yes - we always fixup | |
462 | * unset - we rely on the console silent flag | |
463 | */ | |
464 | want_silent = getenv_yesno("silent_linux"); | |
465 | if (want_silent == 0) | |
466 | return; | |
467 | else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) | |
468 | return; | |
469 | ||
470 | debug("before silent fix-up: %s\n", cmdline); | |
471 | if (cmdline && (cmdline[0] != '\0')) { | |
472 | char *start = strstr(cmdline, CONSOLE_ARG); | |
473 | ||
474 | /* Allocate space for maximum possible new command line */ | |
475 | buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); | |
476 | if (!buf) { | |
477 | debug("%s: out of memory\n", __func__); | |
478 | return; | |
479 | } | |
480 | ||
481 | if (start) { | |
482 | char *end = strchr(start, ' '); | |
483 | int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; | |
484 | ||
485 | strncpy(buf, cmdline, num_start_bytes); | |
486 | if (end) | |
487 | strcpy(buf + num_start_bytes, end); | |
488 | else | |
489 | buf[num_start_bytes] = '\0'; | |
490 | } else { | |
491 | sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); | |
492 | } | |
493 | env_val = buf; | |
494 | } else { | |
495 | buf = NULL; | |
496 | env_val = CONSOLE_ARG; | |
497 | } | |
498 | ||
499 | setenv("bootargs", env_val); | |
500 | debug("after silent fix-up: %s\n", env_val); | |
501 | free(buf); | |
502 | } | |
503 | #endif /* CONFIG_SILENT_CONSOLE */ | |
504 | ||
505 | /** | |
506 | * Execute selected states of the bootm command. | |
507 | * | |
508 | * Note the arguments to this state must be the first argument, Any 'bootm' | |
509 | * or sub-command arguments must have already been taken. | |
510 | * | |
511 | * Note that if states contains more than one flag it MUST contain | |
512 | * BOOTM_STATE_START, since this handles and consumes the command line args. | |
513 | * | |
514 | * Also note that aside from boot_os_fn functions and bootm_load_os no other | |
515 | * functions we store the return value of in 'ret' may use a negative return | |
516 | * value, without special handling. | |
517 | * | |
518 | * @param cmdtp Pointer to bootm command table entry | |
519 | * @param flag Command flags (CMD_FLAG_...) | |
520 | * @param argc Number of subcommand arguments (0 = no arguments) | |
521 | * @param argv Arguments | |
522 | * @param states Mask containing states to run (BOOTM_STATE_...) | |
523 | * @param images Image header information | |
524 | * @param boot_progress 1 to show boot progress, 0 to not do this | |
525 | * @return 0 if ok, something else on error. Some errors will cause this | |
526 | * function to perform a reboot! If states contains BOOTM_STATE_OS_GO | |
527 | * then the intent is to boot an OS, so this function will not return | |
528 | * unless the image type is standalone. | |
529 | */ | |
530 | int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], | |
531 | int states, bootm_headers_t *images, int boot_progress) | |
532 | { | |
533 | boot_os_fn *boot_fn; | |
534 | ulong iflag = 0; | |
535 | int ret = 0, need_boot_fn; | |
536 | ||
537 | images->state |= states; | |
538 | ||
539 | /* | |
540 | * Work through the states and see how far we get. We stop on | |
541 | * any error. | |
542 | */ | |
543 | if (states & BOOTM_STATE_START) | |
544 | ret = bootm_start(cmdtp, flag, argc, argv); | |
545 | ||
546 | if (!ret && (states & BOOTM_STATE_FINDOS)) | |
547 | ret = bootm_find_os(cmdtp, flag, argc, argv); | |
548 | ||
549 | if (!ret && (states & BOOTM_STATE_FINDOTHER)) { | |
550 | ret = bootm_find_other(cmdtp, flag, argc, argv); | |
551 | argc = 0; /* consume the args */ | |
552 | } | |
553 | ||
554 | /* Load the OS */ | |
555 | if (!ret && (states & BOOTM_STATE_LOADOS)) { | |
556 | ulong load_end; | |
557 | ||
558 | iflag = bootm_disable_interrupts(); | |
559 | ret = bootm_load_os(images, &load_end, 0); | |
560 | if (ret == 0) | |
561 | lmb_reserve(&images->lmb, images->os.load, | |
562 | (load_end - images->os.load)); | |
563 | else if (ret && ret != BOOTM_ERR_OVERLAP) | |
564 | goto err; | |
565 | else if (ret == BOOTM_ERR_OVERLAP) | |
566 | ret = 0; | |
567 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
568 | if (images->os.os == IH_OS_LINUX) | |
569 | fixup_silent_linux(); | |
570 | #endif | |
571 | } | |
572 | ||
573 | /* Relocate the ramdisk */ | |
574 | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH | |
575 | if (!ret && (states & BOOTM_STATE_RAMDISK)) { | |
576 | ulong rd_len = images->rd_end - images->rd_start; | |
577 | ||
578 | ret = boot_ramdisk_high(&images->lmb, images->rd_start, | |
579 | rd_len, &images->initrd_start, &images->initrd_end); | |
580 | if (!ret) { | |
581 | setenv_hex("initrd_start", images->initrd_start); | |
582 | setenv_hex("initrd_end", images->initrd_end); | |
583 | } | |
584 | } | |
585 | #endif | |
586 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB) | |
587 | if (!ret && (states & BOOTM_STATE_FDT)) { | |
588 | boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); | |
589 | ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, | |
590 | &images->ft_len); | |
591 | } | |
592 | #endif | |
593 | ||
594 | /* From now on, we need the OS boot function */ | |
595 | if (ret) | |
596 | return ret; | |
597 | boot_fn = bootm_os_get_boot_func(images->os.os); | |
598 | need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | | |
599 | BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | | |
600 | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); | |
601 | if (boot_fn == NULL && need_boot_fn) { | |
602 | if (iflag) | |
603 | enable_interrupts(); | |
604 | printf("ERROR: booting os '%s' (%d) is not supported\n", | |
605 | genimg_get_os_name(images->os.os), images->os.os); | |
606 | bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); | |
607 | return 1; | |
608 | } | |
609 | ||
610 | /* Call various other states that are not generally used */ | |
611 | if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) | |
612 | ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); | |
613 | if (!ret && (states & BOOTM_STATE_OS_BD_T)) | |
614 | ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); | |
615 | if (!ret && (states & BOOTM_STATE_OS_PREP)) | |
616 | ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); | |
617 | ||
618 | #ifdef CONFIG_TRACE | |
619 | /* Pretend to run the OS, then run a user command */ | |
620 | if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { | |
621 | char *cmd_list = getenv("fakegocmd"); | |
622 | ||
623 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, | |
624 | images, boot_fn); | |
625 | if (!ret && cmd_list) | |
626 | ret = run_command_list(cmd_list, -1, flag); | |
627 | } | |
628 | #endif | |
629 | ||
630 | /* Check for unsupported subcommand. */ | |
631 | if (ret) { | |
632 | puts("subcommand not supported\n"); | |
633 | return ret; | |
634 | } | |
635 | ||
636 | /* Now run the OS! We hope this doesn't return */ | |
637 | if (!ret && (states & BOOTM_STATE_OS_GO)) | |
638 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, | |
639 | images, boot_fn); | |
640 | ||
641 | /* Deal with any fallout */ | |
642 | err: | |
643 | if (iflag) | |
644 | enable_interrupts(); | |
645 | ||
646 | if (ret == BOOTM_ERR_UNIMPLEMENTED) | |
647 | bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); | |
648 | else if (ret == BOOTM_ERR_RESET) | |
649 | do_reset(cmdtp, flag, argc, argv); | |
650 | ||
651 | return ret; | |
652 | } | |
653 | ||
654 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
655 | /** | |
656 | * image_get_kernel - verify legacy format kernel image | |
657 | * @img_addr: in RAM address of the legacy format image to be verified | |
658 | * @verify: data CRC verification flag | |
659 | * | |
660 | * image_get_kernel() verifies legacy image integrity and returns pointer to | |
661 | * legacy image header if image verification was completed successfully. | |
662 | * | |
663 | * returns: | |
664 | * pointer to a legacy image header if valid image was found | |
665 | * otherwise return NULL | |
666 | */ | |
667 | static image_header_t *image_get_kernel(ulong img_addr, int verify) | |
668 | { | |
669 | image_header_t *hdr = (image_header_t *)img_addr; | |
670 | ||
671 | if (!image_check_magic(hdr)) { | |
672 | puts("Bad Magic Number\n"); | |
673 | bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); | |
674 | return NULL; | |
675 | } | |
676 | bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); | |
677 | ||
678 | if (!image_check_hcrc(hdr)) { | |
679 | puts("Bad Header Checksum\n"); | |
680 | bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); | |
681 | return NULL; | |
682 | } | |
683 | ||
684 | bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
685 | image_print_contents(hdr); | |
686 | ||
687 | if (verify) { | |
688 | puts(" Verifying Checksum ... "); | |
689 | if (!image_check_dcrc(hdr)) { | |
690 | printf("Bad Data CRC\n"); | |
691 | bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
692 | return NULL; | |
693 | } | |
694 | puts("OK\n"); | |
695 | } | |
696 | bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); | |
697 | ||
698 | if (!image_check_target_arch(hdr)) { | |
699 | printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); | |
700 | bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); | |
701 | return NULL; | |
702 | } | |
703 | return hdr; | |
704 | } | |
705 | #endif | |
706 | ||
707 | /** | |
708 | * boot_get_kernel - find kernel image | |
709 | * @os_data: pointer to a ulong variable, will hold os data start address | |
710 | * @os_len: pointer to a ulong variable, will hold os data length | |
711 | * | |
712 | * boot_get_kernel() tries to find a kernel image, verifies its integrity | |
713 | * and locates kernel data. | |
714 | * | |
715 | * returns: | |
716 | * pointer to image header if valid image was found, plus kernel start | |
717 | * address and length, otherwise NULL | |
718 | */ | |
719 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, | |
720 | char * const argv[], bootm_headers_t *images, | |
721 | ulong *os_data, ulong *os_len) | |
722 | { | |
723 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
724 | image_header_t *hdr; | |
725 | #endif | |
726 | ulong img_addr; | |
727 | const void *buf; | |
b6396403 SG |
728 | const char *fit_uname_config = NULL; |
729 | const char *fit_uname_kernel = NULL; | |
6c454fed | 730 | #if defined(CONFIG_FIT) |
b6396403 SG |
731 | int os_noffset; |
732 | #endif | |
733 | ||
e6c88a6b BW |
734 | img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0], |
735 | &fit_uname_config, | |
736 | &fit_uname_kernel); | |
b6396403 SG |
737 | |
738 | bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); | |
739 | ||
740 | /* copy from dataflash if needed */ | |
741 | img_addr = genimg_get_image(img_addr); | |
742 | ||
743 | /* check image type, for FIT images get FIT kernel node */ | |
744 | *os_data = *os_len = 0; | |
745 | buf = map_sysmem(img_addr, 0); | |
746 | switch (genimg_get_format(buf)) { | |
747 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
748 | case IMAGE_FORMAT_LEGACY: | |
749 | printf("## Booting kernel from Legacy Image at %08lx ...\n", | |
750 | img_addr); | |
751 | hdr = image_get_kernel(img_addr, images->verify); | |
752 | if (!hdr) | |
753 | return NULL; | |
754 | bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
755 | ||
756 | /* get os_data and os_len */ | |
757 | switch (image_get_type(hdr)) { | |
758 | case IH_TYPE_KERNEL: | |
759 | case IH_TYPE_KERNEL_NOLOAD: | |
760 | *os_data = image_get_data(hdr); | |
761 | *os_len = image_get_data_size(hdr); | |
762 | break; | |
763 | case IH_TYPE_MULTI: | |
764 | image_multi_getimg(hdr, 0, os_data, os_len); | |
765 | break; | |
766 | case IH_TYPE_STANDALONE: | |
767 | *os_data = image_get_data(hdr); | |
768 | *os_len = image_get_data_size(hdr); | |
769 | break; | |
770 | default: | |
771 | printf("Wrong Image Type for %s command\n", | |
772 | cmdtp->name); | |
773 | bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
774 | return NULL; | |
775 | } | |
776 | ||
777 | /* | |
778 | * copy image header to allow for image overwrites during | |
779 | * kernel decompression. | |
780 | */ | |
781 | memmove(&images->legacy_hdr_os_copy, hdr, | |
782 | sizeof(image_header_t)); | |
783 | ||
784 | /* save pointer to image header */ | |
785 | images->legacy_hdr_os = hdr; | |
786 | ||
787 | images->legacy_hdr_valid = 1; | |
788 | bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); | |
789 | break; | |
790 | #endif | |
791 | #if defined(CONFIG_FIT) | |
792 | case IMAGE_FORMAT_FIT: | |
126cc864 | 793 | os_noffset = fit_image_load(images, img_addr, |
b6396403 SG |
794 | &fit_uname_kernel, &fit_uname_config, |
795 | IH_ARCH_DEFAULT, IH_TYPE_KERNEL, | |
796 | BOOTSTAGE_ID_FIT_KERNEL_START, | |
797 | FIT_LOAD_IGNORED, os_data, os_len); | |
798 | if (os_noffset < 0) | |
799 | return NULL; | |
800 | ||
801 | images->fit_hdr_os = map_sysmem(img_addr, 0); | |
802 | images->fit_uname_os = fit_uname_kernel; | |
803 | images->fit_uname_cfg = fit_uname_config; | |
804 | images->fit_noffset_os = os_noffset; | |
805 | break; | |
806 | #endif | |
807 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
808 | case IMAGE_FORMAT_ANDROID: | |
809 | printf("## Booting Android Image at 0x%08lx ...\n", img_addr); | |
07c0cd71 | 810 | if (android_image_get_kernel(buf, images->verify, |
b6396403 SG |
811 | os_data, os_len)) |
812 | return NULL; | |
813 | break; | |
814 | #endif | |
815 | default: | |
816 | printf("Wrong Image Format for %s command\n", cmdtp->name); | |
817 | bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); | |
818 | return NULL; | |
819 | } | |
820 | ||
821 | debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", | |
822 | *os_data, *os_len, *os_len); | |
823 | ||
824 | return buf; | |
825 | } | |
ce1400f6 SG |
826 | #else /* USE_HOSTCC */ |
827 | ||
828 | void memmove_wd(void *to, void *from, size_t len, ulong chunksz) | |
829 | { | |
830 | memmove(to, from, len); | |
831 | } | |
832 | ||
833 | static int bootm_host_load_image(const void *fit, int req_image_type) | |
834 | { | |
835 | const char *fit_uname_config = NULL; | |
836 | ulong data, len; | |
837 | bootm_headers_t images; | |
838 | int noffset; | |
839 | ulong load_end; | |
840 | uint8_t image_type; | |
841 | uint8_t imape_comp; | |
842 | void *load_buf; | |
843 | int ret; | |
844 | ||
845 | memset(&images, '\0', sizeof(images)); | |
846 | images.verify = 1; | |
847 | noffset = fit_image_load(&images, (ulong)fit, | |
848 | NULL, &fit_uname_config, | |
849 | IH_ARCH_DEFAULT, req_image_type, -1, | |
850 | FIT_LOAD_IGNORED, &data, &len); | |
851 | if (noffset < 0) | |
852 | return noffset; | |
853 | if (fit_image_get_type(fit, noffset, &image_type)) { | |
854 | puts("Can't get image type!\n"); | |
855 | return -EINVAL; | |
856 | } | |
857 | ||
858 | if (fit_image_get_comp(fit, noffset, &imape_comp)) { | |
859 | puts("Can't get image compression!\n"); | |
860 | return -EINVAL; | |
861 | } | |
862 | ||
863 | /* Allow the image to expand by a factor of 4, should be safe */ | |
864 | load_buf = malloc((1 << 20) + len * 4); | |
865 | ret = decomp_image(imape_comp, 0, data, image_type, load_buf, | |
866 | (void *)data, len, &load_end); | |
867 | free(load_buf); | |
868 | if (ret && ret != BOOTM_ERR_UNIMPLEMENTED) | |
869 | return ret; | |
870 | ||
871 | return 0; | |
872 | } | |
873 | ||
874 | int bootm_host_load_images(const void *fit, int cfg_noffset) | |
875 | { | |
876 | static uint8_t image_types[] = { | |
877 | IH_TYPE_KERNEL, | |
878 | IH_TYPE_FLATDT, | |
879 | IH_TYPE_RAMDISK, | |
880 | }; | |
881 | int err = 0; | |
882 | int i; | |
883 | ||
884 | for (i = 0; i < ARRAY_SIZE(image_types); i++) { | |
885 | int ret; | |
886 | ||
887 | ret = bootm_host_load_image(fit, image_types[i]); | |
888 | if (!err && ret && ret != -ENOENT) | |
889 | err = ret; | |
890 | } | |
891 | ||
892 | /* Return the first error we found */ | |
893 | return err; | |
894 | } | |
ea51a628 SG |
895 | |
896 | #endif /* ndef USE_HOSTCC */ |