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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> |
90268b87 | 12 | #include <errno.h> |
b6396403 SG |
13 | #include <fdt_support.h> |
14 | #include <lmb.h> | |
15 | #include <malloc.h> | |
16 | #include <asm/io.h> | |
17 | #include <linux/lzo.h> | |
18 | #include <lzma/LzmaTypes.h> | |
19 | #include <lzma/LzmaDec.h> | |
20 | #include <lzma/LzmaTools.h> | |
b6396403 SG |
21 | #if defined(CONFIG_CMD_USB) |
22 | #include <usb.h> | |
23 | #endif | |
ea51a628 SG |
24 | #else |
25 | #include "mkimage.h" | |
26 | #endif | |
b6396403 | 27 | |
ea51a628 SG |
28 | #include <command.h> |
29 | #include <bootm.h> | |
30 | #include <image.h> | |
b6396403 SG |
31 | |
32 | #ifndef CONFIG_SYS_BOOTM_LEN | |
33 | /* use 8MByte as default max gunzip size */ | |
34 | #define CONFIG_SYS_BOOTM_LEN 0x800000 | |
35 | #endif | |
36 | ||
37 | #define IH_INITRD_ARCH IH_ARCH_DEFAULT | |
38 | ||
ea51a628 SG |
39 | #ifndef USE_HOSTCC |
40 | ||
41 | DECLARE_GLOBAL_DATA_PTR; | |
42 | ||
b6396403 SG |
43 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
44 | char * const argv[], bootm_headers_t *images, | |
45 | ulong *os_data, ulong *os_len); | |
46 | ||
47 | #ifdef CONFIG_LMB | |
48 | static void boot_start_lmb(bootm_headers_t *images) | |
49 | { | |
50 | ulong mem_start; | |
51 | phys_size_t mem_size; | |
52 | ||
53 | lmb_init(&images->lmb); | |
54 | ||
55 | mem_start = getenv_bootm_low(); | |
56 | mem_size = getenv_bootm_size(); | |
57 | ||
58 | lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); | |
59 | ||
60 | arch_lmb_reserve(&images->lmb); | |
61 | board_lmb_reserve(&images->lmb); | |
62 | } | |
63 | #else | |
64 | #define lmb_reserve(lmb, base, size) | |
65 | static inline void boot_start_lmb(bootm_headers_t *images) { } | |
66 | #endif | |
67 | ||
68 | static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, | |
69 | char * const argv[]) | |
70 | { | |
71 | memset((void *)&images, 0, sizeof(images)); | |
72 | images.verify = getenv_yesno("verify"); | |
73 | ||
74 | boot_start_lmb(&images); | |
75 | ||
76 | bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); | |
77 | images.state = BOOTM_STATE_START; | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, | |
83 | char * const argv[]) | |
84 | { | |
85 | const void *os_hdr; | |
86 | bool ep_found = false; | |
90268b87 | 87 | int ret; |
b6396403 SG |
88 | |
89 | /* get kernel image header, start address and length */ | |
90 | os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, | |
91 | &images, &images.os.image_start, &images.os.image_len); | |
92 | if (images.os.image_len == 0) { | |
93 | puts("ERROR: can't get kernel image!\n"); | |
94 | return 1; | |
95 | } | |
96 | ||
97 | /* get image parameters */ | |
98 | switch (genimg_get_format(os_hdr)) { | |
99 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
100 | case IMAGE_FORMAT_LEGACY: | |
101 | images.os.type = image_get_type(os_hdr); | |
102 | images.os.comp = image_get_comp(os_hdr); | |
103 | images.os.os = image_get_os(os_hdr); | |
104 | ||
105 | images.os.end = image_get_image_end(os_hdr); | |
106 | images.os.load = image_get_load(os_hdr); | |
90268b87 | 107 | images.os.arch = image_get_arch(os_hdr); |
b6396403 SG |
108 | break; |
109 | #endif | |
110 | #if defined(CONFIG_FIT) | |
111 | case IMAGE_FORMAT_FIT: | |
112 | if (fit_image_get_type(images.fit_hdr_os, | |
113 | images.fit_noffset_os, | |
114 | &images.os.type)) { | |
115 | puts("Can't get image type!\n"); | |
116 | bootstage_error(BOOTSTAGE_ID_FIT_TYPE); | |
117 | return 1; | |
118 | } | |
119 | ||
120 | if (fit_image_get_comp(images.fit_hdr_os, | |
121 | images.fit_noffset_os, | |
122 | &images.os.comp)) { | |
123 | puts("Can't get image compression!\n"); | |
124 | bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); | |
125 | return 1; | |
126 | } | |
127 | ||
128 | if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, | |
129 | &images.os.os)) { | |
130 | puts("Can't get image OS!\n"); | |
131 | bootstage_error(BOOTSTAGE_ID_FIT_OS); | |
132 | return 1; | |
133 | } | |
134 | ||
90268b87 SG |
135 | if (fit_image_get_arch(images.fit_hdr_os, |
136 | images.fit_noffset_os, | |
137 | &images.os.arch)) { | |
138 | puts("Can't get image ARCH!\n"); | |
139 | return 1; | |
140 | } | |
141 | ||
b6396403 SG |
142 | images.os.end = fit_get_end(images.fit_hdr_os); |
143 | ||
144 | if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, | |
145 | &images.os.load)) { | |
146 | puts("Can't get image load address!\n"); | |
147 | bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); | |
148 | return 1; | |
149 | } | |
150 | break; | |
151 | #endif | |
152 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
153 | case IMAGE_FORMAT_ANDROID: | |
154 | images.os.type = IH_TYPE_KERNEL; | |
155 | images.os.comp = IH_COMP_NONE; | |
156 | images.os.os = IH_OS_LINUX; | |
b6396403 SG |
157 | |
158 | images.os.end = android_image_get_end(os_hdr); | |
159 | images.os.load = android_image_get_kload(os_hdr); | |
86f4695b AD |
160 | images.ep = images.os.load; |
161 | ep_found = true; | |
b6396403 SG |
162 | break; |
163 | #endif | |
164 | default: | |
165 | puts("ERROR: unknown image format type!\n"); | |
166 | return 1; | |
167 | } | |
168 | ||
90268b87 | 169 | /* If we have a valid setup.bin, we will use that for entry (x86) */ |
5bda35cf SG |
170 | if (images.os.arch == IH_ARCH_I386 || |
171 | images.os.arch == IH_ARCH_X86_64) { | |
90268b87 SG |
172 | ulong len; |
173 | ||
174 | ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len); | |
175 | if (ret < 0 && ret != -ENOENT) { | |
176 | puts("Could not find a valid setup.bin for x86\n"); | |
177 | return 1; | |
178 | } | |
179 | /* Kernel entry point is the setup.bin */ | |
180 | } else if (images.legacy_hdr_valid) { | |
b6396403 SG |
181 | images.ep = image_get_ep(&images.legacy_hdr_os_copy); |
182 | #if defined(CONFIG_FIT) | |
183 | } else if (images.fit_uname_os) { | |
184 | int ret; | |
185 | ||
186 | ret = fit_image_get_entry(images.fit_hdr_os, | |
187 | images.fit_noffset_os, &images.ep); | |
188 | if (ret) { | |
189 | puts("Can't get entry point property!\n"); | |
190 | return 1; | |
191 | } | |
192 | #endif | |
193 | } else if (!ep_found) { | |
194 | puts("Could not find kernel entry point!\n"); | |
195 | return 1; | |
196 | } | |
197 | ||
198 | if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { | |
199 | images.os.load = images.os.image_start; | |
200 | images.ep += images.os.load; | |
201 | } | |
202 | ||
203 | images.os.start = (ulong)os_hdr; | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
208 | static int bootm_find_ramdisk(int flag, int argc, char * const argv[]) | |
209 | { | |
210 | int ret; | |
211 | ||
212 | /* find ramdisk */ | |
213 | ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, | |
214 | &images.rd_start, &images.rd_end); | |
215 | if (ret) { | |
216 | puts("Ramdisk image is corrupt or invalid\n"); | |
217 | return 1; | |
218 | } | |
219 | ||
220 | return 0; | |
221 | } | |
222 | ||
223 | #if defined(CONFIG_OF_LIBFDT) | |
224 | static int bootm_find_fdt(int flag, int argc, char * const argv[]) | |
225 | { | |
226 | int ret; | |
227 | ||
228 | /* find flattened device tree */ | |
229 | ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, | |
230 | &images.ft_addr, &images.ft_len); | |
231 | if (ret) { | |
232 | puts("Could not find a valid device tree\n"); | |
233 | return 1; | |
234 | } | |
235 | ||
236 | set_working_fdt_addr(images.ft_addr); | |
237 | ||
238 | return 0; | |
239 | } | |
240 | #endif | |
241 | ||
242 | int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[]) | |
243 | { | |
244 | if (bootm_find_ramdisk(flag, argc, argv)) | |
245 | return 1; | |
246 | ||
247 | #if defined(CONFIG_OF_LIBFDT) | |
248 | if (bootm_find_fdt(flag, argc, argv)) | |
249 | return 1; | |
250 | #endif | |
251 | ||
252 | return 0; | |
253 | } | |
254 | ||
255 | static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, | |
256 | char * const argv[]) | |
257 | { | |
258 | if (((images.os.type == IH_TYPE_KERNEL) || | |
259 | (images.os.type == IH_TYPE_KERNEL_NOLOAD) || | |
260 | (images.os.type == IH_TYPE_MULTI)) && | |
261 | (images.os.os == IH_OS_LINUX || | |
262 | images.os.os == IH_OS_VXWORKS)) | |
263 | return bootm_find_ramdisk_fdt(flag, argc, argv); | |
264 | ||
265 | return 0; | |
266 | } | |
40e5975f SG |
267 | #endif /* USE_HOSTC */ |
268 | ||
269 | #if defined(CONFIG_GZIP) || defined(CONFIG_GZIP) || defined(CONFIG_BZIP2) || \ | |
270 | defined(CONFIG_LZMA) || defined(CONFIG_LZO) | |
271 | static void print_decomp_msg(const char *type_name) | |
272 | { | |
273 | printf(" Uncompressing %s ... ", type_name); | |
274 | } | |
275 | ||
276 | static int handle_decomp_error(const char *algo, size_t size, size_t unc_len, | |
277 | int ret) | |
278 | { | |
279 | if (size >= unc_len) | |
280 | puts("Image too large: increase CONFIG_SYS_BOOTM_LEN\n"); | |
281 | else | |
282 | printf("%s: uncompress or overwrite error %d\n", algo, ret); | |
283 | puts("Must RESET board to recover\n"); | |
284 | #ifndef USE_HOSTCC | |
285 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); | |
286 | #endif | |
287 | ||
288 | return BOOTM_ERR_RESET; | |
289 | } | |
290 | #endif | |
b6396403 | 291 | |
081cc197 SG |
292 | int bootm_decomp_image(int comp, ulong load, ulong image_start, int type, |
293 | void *load_buf, void *image_buf, ulong image_len, | |
294 | uint unc_len, ulong *load_end) | |
b6396403 | 295 | { |
2b164f1c | 296 | const char *type_name = genimg_get_type_name(type); |
b6396403 | 297 | |
2b164f1c | 298 | *load_end = load; |
b6396403 SG |
299 | switch (comp) { |
300 | case IH_COMP_NONE: | |
301 | if (load == image_start) { | |
302 | printf(" XIP %s ... ", type_name); | |
b6396403 SG |
303 | } else { |
304 | printf(" Loading %s ... ", type_name); | |
305 | memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); | |
306 | } | |
307 | *load_end = load + image_len; | |
308 | break; | |
309 | #ifdef CONFIG_GZIP | |
40e5975f SG |
310 | case IH_COMP_GZIP: { |
311 | int ret; | |
312 | ||
313 | print_decomp_msg(type_name); | |
314 | ret = gunzip(load_buf, unc_len, image_buf, &image_len); | |
315 | if (ret != 0) { | |
316 | return handle_decomp_error("GUNZIP", image_len, | |
317 | unc_len, ret); | |
b6396403 SG |
318 | } |
319 | ||
320 | *load_end = load + image_len; | |
321 | break; | |
40e5975f | 322 | } |
b6396403 SG |
323 | #endif /* CONFIG_GZIP */ |
324 | #ifdef CONFIG_BZIP2 | |
40e5975f SG |
325 | case IH_COMP_BZIP2: { |
326 | size_t size = unc_len; | |
327 | ||
328 | print_decomp_msg(type_name); | |
b6396403 SG |
329 | /* |
330 | * If we've got less than 4 MB of malloc() space, | |
331 | * use slower decompression algorithm which requires | |
332 | * at most 2300 KB of memory. | |
333 | */ | |
334 | int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, | |
335 | image_buf, image_len, | |
336 | CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); | |
337 | if (i != BZ_OK) { | |
40e5975f SG |
338 | return handle_decomp_error("BUNZIP2", size, unc_len, |
339 | i); | |
b6396403 SG |
340 | } |
341 | ||
342 | *load_end = load + unc_len; | |
343 | break; | |
40e5975f | 344 | } |
b6396403 SG |
345 | #endif /* CONFIG_BZIP2 */ |
346 | #ifdef CONFIG_LZMA | |
347 | case IH_COMP_LZMA: { | |
348 | SizeT lzma_len = unc_len; | |
2b164f1c SG |
349 | int ret; |
350 | ||
40e5975f | 351 | print_decomp_msg(type_name); |
b6396403 SG |
352 | ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
353 | image_buf, image_len); | |
b6396403 | 354 | if (ret != SZ_OK) { |
40e5975f SG |
355 | return handle_decomp_error("LZMA", lzma_len, unc_len, |
356 | ret); | |
b6396403 | 357 | } |
40e5975f | 358 | unc_len = lzma_len; |
b6396403 SG |
359 | *load_end = load + unc_len; |
360 | break; | |
361 | } | |
362 | #endif /* CONFIG_LZMA */ | |
363 | #ifdef CONFIG_LZO | |
364 | case IH_COMP_LZO: { | |
365 | size_t size = unc_len; | |
2b164f1c | 366 | int ret; |
b6396403 | 367 | |
40e5975f | 368 | print_decomp_msg(type_name); |
b6396403 SG |
369 | |
370 | ret = lzop_decompress(image_buf, image_len, load_buf, &size); | |
40e5975f SG |
371 | if (ret != LZO_E_OK) |
372 | return handle_decomp_error("LZO", size, unc_len, ret); | |
b6396403 SG |
373 | |
374 | *load_end = load + size; | |
375 | break; | |
376 | } | |
377 | #endif /* CONFIG_LZO */ | |
378 | default: | |
379 | printf("Unimplemented compression type %d\n", comp); | |
380 | return BOOTM_ERR_UNIMPLEMENTED; | |
381 | } | |
382 | ||
2b164f1c SG |
383 | puts("OK\n"); |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
ce1400f6 | 388 | #ifndef USE_HOSTCC |
2b164f1c SG |
389 | static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, |
390 | int boot_progress) | |
391 | { | |
392 | image_info_t os = images->os; | |
393 | ulong load = os.load; | |
394 | ulong blob_start = os.start; | |
395 | ulong blob_end = os.end; | |
396 | ulong image_start = os.image_start; | |
397 | ulong image_len = os.image_len; | |
398 | bool no_overlap; | |
399 | void *load_buf, *image_buf; | |
400 | int err; | |
401 | ||
402 | load_buf = map_sysmem(load, 0); | |
403 | image_buf = map_sysmem(os.image_start, image_len); | |
081cc197 SG |
404 | err = bootm_decomp_image(os.comp, load, os.image_start, os.type, |
405 | load_buf, image_buf, image_len, | |
406 | CONFIG_SYS_BOOTM_LEN, load_end); | |
2b164f1c SG |
407 | if (err) { |
408 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); | |
409 | return err; | |
410 | } | |
b6396403 SG |
411 | flush_cache(load, (*load_end - load) * sizeof(ulong)); |
412 | ||
b6396403 SG |
413 | debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); |
414 | bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); | |
415 | ||
2b164f1c SG |
416 | no_overlap = (os.comp == IH_COMP_NONE && load == image_start); |
417 | ||
b6396403 SG |
418 | if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { |
419 | debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", | |
420 | blob_start, blob_end); | |
421 | debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, | |
422 | *load_end); | |
423 | ||
424 | /* Check what type of image this is. */ | |
425 | if (images->legacy_hdr_valid) { | |
426 | if (image_get_type(&images->legacy_hdr_os_copy) | |
427 | == IH_TYPE_MULTI) | |
428 | puts("WARNING: legacy format multi component image overwritten\n"); | |
429 | return BOOTM_ERR_OVERLAP; | |
430 | } else { | |
431 | puts("ERROR: new format image overwritten - must RESET the board to recover\n"); | |
432 | bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); | |
433 | return BOOTM_ERR_RESET; | |
434 | } | |
435 | } | |
436 | ||
437 | return 0; | |
438 | } | |
439 | ||
440 | /** | |
441 | * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot | |
442 | * | |
443 | * @return interrupt flag (0 if interrupts were disabled, non-zero if they were | |
444 | * enabled) | |
445 | */ | |
446 | ulong bootm_disable_interrupts(void) | |
447 | { | |
448 | ulong iflag; | |
449 | ||
450 | /* | |
451 | * We have reached the point of no return: we are going to | |
452 | * overwrite all exception vector code, so we cannot easily | |
453 | * recover from any failures any more... | |
454 | */ | |
455 | iflag = disable_interrupts(); | |
456 | #ifdef CONFIG_NETCONSOLE | |
457 | /* Stop the ethernet stack if NetConsole could have left it up */ | |
458 | eth_halt(); | |
459 | eth_unregister(eth_get_dev()); | |
460 | #endif | |
461 | ||
462 | #if defined(CONFIG_CMD_USB) | |
463 | /* | |
464 | * turn off USB to prevent the host controller from writing to the | |
465 | * SDRAM while Linux is booting. This could happen (at least for OHCI | |
466 | * controller), because the HCCA (Host Controller Communication Area) | |
467 | * lies within the SDRAM and the host controller writes continously to | |
468 | * this area (as busmaster!). The HccaFrameNumber is for example | |
469 | * updated every 1 ms within the HCCA structure in SDRAM! For more | |
470 | * details see the OpenHCI specification. | |
471 | */ | |
472 | usb_stop(); | |
473 | #endif | |
474 | return iflag; | |
475 | } | |
476 | ||
477 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
478 | ||
479 | #define CONSOLE_ARG "console=" | |
480 | #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) | |
481 | ||
482 | static void fixup_silent_linux(void) | |
483 | { | |
484 | char *buf; | |
485 | const char *env_val; | |
486 | char *cmdline = getenv("bootargs"); | |
487 | int want_silent; | |
488 | ||
489 | /* | |
490 | * Only fix cmdline when requested. The environment variable can be: | |
491 | * | |
492 | * no - we never fixup | |
493 | * yes - we always fixup | |
494 | * unset - we rely on the console silent flag | |
495 | */ | |
496 | want_silent = getenv_yesno("silent_linux"); | |
497 | if (want_silent == 0) | |
498 | return; | |
499 | else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) | |
500 | return; | |
501 | ||
502 | debug("before silent fix-up: %s\n", cmdline); | |
503 | if (cmdline && (cmdline[0] != '\0')) { | |
504 | char *start = strstr(cmdline, CONSOLE_ARG); | |
505 | ||
506 | /* Allocate space for maximum possible new command line */ | |
507 | buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); | |
508 | if (!buf) { | |
509 | debug("%s: out of memory\n", __func__); | |
510 | return; | |
511 | } | |
512 | ||
513 | if (start) { | |
514 | char *end = strchr(start, ' '); | |
515 | int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; | |
516 | ||
517 | strncpy(buf, cmdline, num_start_bytes); | |
518 | if (end) | |
519 | strcpy(buf + num_start_bytes, end); | |
520 | else | |
521 | buf[num_start_bytes] = '\0'; | |
522 | } else { | |
523 | sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); | |
524 | } | |
525 | env_val = buf; | |
526 | } else { | |
527 | buf = NULL; | |
528 | env_val = CONSOLE_ARG; | |
529 | } | |
530 | ||
531 | setenv("bootargs", env_val); | |
532 | debug("after silent fix-up: %s\n", env_val); | |
533 | free(buf); | |
534 | } | |
535 | #endif /* CONFIG_SILENT_CONSOLE */ | |
536 | ||
537 | /** | |
538 | * Execute selected states of the bootm command. | |
539 | * | |
540 | * Note the arguments to this state must be the first argument, Any 'bootm' | |
541 | * or sub-command arguments must have already been taken. | |
542 | * | |
543 | * Note that if states contains more than one flag it MUST contain | |
544 | * BOOTM_STATE_START, since this handles and consumes the command line args. | |
545 | * | |
546 | * Also note that aside from boot_os_fn functions and bootm_load_os no other | |
547 | * functions we store the return value of in 'ret' may use a negative return | |
548 | * value, without special handling. | |
549 | * | |
550 | * @param cmdtp Pointer to bootm command table entry | |
551 | * @param flag Command flags (CMD_FLAG_...) | |
552 | * @param argc Number of subcommand arguments (0 = no arguments) | |
553 | * @param argv Arguments | |
554 | * @param states Mask containing states to run (BOOTM_STATE_...) | |
555 | * @param images Image header information | |
556 | * @param boot_progress 1 to show boot progress, 0 to not do this | |
557 | * @return 0 if ok, something else on error. Some errors will cause this | |
558 | * function to perform a reboot! If states contains BOOTM_STATE_OS_GO | |
559 | * then the intent is to boot an OS, so this function will not return | |
560 | * unless the image type is standalone. | |
561 | */ | |
562 | int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], | |
563 | int states, bootm_headers_t *images, int boot_progress) | |
564 | { | |
565 | boot_os_fn *boot_fn; | |
566 | ulong iflag = 0; | |
567 | int ret = 0, need_boot_fn; | |
568 | ||
569 | images->state |= states; | |
570 | ||
571 | /* | |
572 | * Work through the states and see how far we get. We stop on | |
573 | * any error. | |
574 | */ | |
575 | if (states & BOOTM_STATE_START) | |
576 | ret = bootm_start(cmdtp, flag, argc, argv); | |
577 | ||
578 | if (!ret && (states & BOOTM_STATE_FINDOS)) | |
579 | ret = bootm_find_os(cmdtp, flag, argc, argv); | |
580 | ||
581 | if (!ret && (states & BOOTM_STATE_FINDOTHER)) { | |
582 | ret = bootm_find_other(cmdtp, flag, argc, argv); | |
583 | argc = 0; /* consume the args */ | |
584 | } | |
585 | ||
586 | /* Load the OS */ | |
587 | if (!ret && (states & BOOTM_STATE_LOADOS)) { | |
588 | ulong load_end; | |
589 | ||
590 | iflag = bootm_disable_interrupts(); | |
591 | ret = bootm_load_os(images, &load_end, 0); | |
592 | if (ret == 0) | |
593 | lmb_reserve(&images->lmb, images->os.load, | |
594 | (load_end - images->os.load)); | |
595 | else if (ret && ret != BOOTM_ERR_OVERLAP) | |
596 | goto err; | |
597 | else if (ret == BOOTM_ERR_OVERLAP) | |
598 | ret = 0; | |
599 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
600 | if (images->os.os == IH_OS_LINUX) | |
601 | fixup_silent_linux(); | |
602 | #endif | |
603 | } | |
604 | ||
605 | /* Relocate the ramdisk */ | |
606 | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH | |
607 | if (!ret && (states & BOOTM_STATE_RAMDISK)) { | |
608 | ulong rd_len = images->rd_end - images->rd_start; | |
609 | ||
610 | ret = boot_ramdisk_high(&images->lmb, images->rd_start, | |
611 | rd_len, &images->initrd_start, &images->initrd_end); | |
612 | if (!ret) { | |
613 | setenv_hex("initrd_start", images->initrd_start); | |
614 | setenv_hex("initrd_end", images->initrd_end); | |
615 | } | |
616 | } | |
617 | #endif | |
618 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB) | |
619 | if (!ret && (states & BOOTM_STATE_FDT)) { | |
620 | boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); | |
621 | ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, | |
622 | &images->ft_len); | |
623 | } | |
624 | #endif | |
625 | ||
626 | /* From now on, we need the OS boot function */ | |
627 | if (ret) | |
628 | return ret; | |
629 | boot_fn = bootm_os_get_boot_func(images->os.os); | |
630 | need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | | |
631 | BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | | |
632 | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); | |
633 | if (boot_fn == NULL && need_boot_fn) { | |
634 | if (iflag) | |
635 | enable_interrupts(); | |
636 | printf("ERROR: booting os '%s' (%d) is not supported\n", | |
637 | genimg_get_os_name(images->os.os), images->os.os); | |
638 | bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); | |
639 | return 1; | |
640 | } | |
641 | ||
642 | /* Call various other states that are not generally used */ | |
643 | if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) | |
644 | ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); | |
645 | if (!ret && (states & BOOTM_STATE_OS_BD_T)) | |
646 | ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); | |
647 | if (!ret && (states & BOOTM_STATE_OS_PREP)) | |
648 | ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); | |
649 | ||
650 | #ifdef CONFIG_TRACE | |
651 | /* Pretend to run the OS, then run a user command */ | |
652 | if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { | |
653 | char *cmd_list = getenv("fakegocmd"); | |
654 | ||
655 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, | |
656 | images, boot_fn); | |
657 | if (!ret && cmd_list) | |
658 | ret = run_command_list(cmd_list, -1, flag); | |
659 | } | |
660 | #endif | |
661 | ||
662 | /* Check for unsupported subcommand. */ | |
663 | if (ret) { | |
664 | puts("subcommand not supported\n"); | |
665 | return ret; | |
666 | } | |
667 | ||
668 | /* Now run the OS! We hope this doesn't return */ | |
669 | if (!ret && (states & BOOTM_STATE_OS_GO)) | |
670 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, | |
671 | images, boot_fn); | |
672 | ||
673 | /* Deal with any fallout */ | |
674 | err: | |
675 | if (iflag) | |
676 | enable_interrupts(); | |
677 | ||
678 | if (ret == BOOTM_ERR_UNIMPLEMENTED) | |
679 | bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); | |
680 | else if (ret == BOOTM_ERR_RESET) | |
681 | do_reset(cmdtp, flag, argc, argv); | |
682 | ||
683 | return ret; | |
684 | } | |
685 | ||
686 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
687 | /** | |
688 | * image_get_kernel - verify legacy format kernel image | |
689 | * @img_addr: in RAM address of the legacy format image to be verified | |
690 | * @verify: data CRC verification flag | |
691 | * | |
692 | * image_get_kernel() verifies legacy image integrity and returns pointer to | |
693 | * legacy image header if image verification was completed successfully. | |
694 | * | |
695 | * returns: | |
696 | * pointer to a legacy image header if valid image was found | |
697 | * otherwise return NULL | |
698 | */ | |
699 | static image_header_t *image_get_kernel(ulong img_addr, int verify) | |
700 | { | |
701 | image_header_t *hdr = (image_header_t *)img_addr; | |
702 | ||
703 | if (!image_check_magic(hdr)) { | |
704 | puts("Bad Magic Number\n"); | |
705 | bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); | |
706 | return NULL; | |
707 | } | |
708 | bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); | |
709 | ||
710 | if (!image_check_hcrc(hdr)) { | |
711 | puts("Bad Header Checksum\n"); | |
712 | bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); | |
713 | return NULL; | |
714 | } | |
715 | ||
716 | bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
717 | image_print_contents(hdr); | |
718 | ||
719 | if (verify) { | |
720 | puts(" Verifying Checksum ... "); | |
721 | if (!image_check_dcrc(hdr)) { | |
722 | printf("Bad Data CRC\n"); | |
723 | bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
724 | return NULL; | |
725 | } | |
726 | puts("OK\n"); | |
727 | } | |
728 | bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); | |
729 | ||
730 | if (!image_check_target_arch(hdr)) { | |
731 | printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); | |
732 | bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); | |
733 | return NULL; | |
734 | } | |
735 | return hdr; | |
736 | } | |
737 | #endif | |
738 | ||
739 | /** | |
740 | * boot_get_kernel - find kernel image | |
741 | * @os_data: pointer to a ulong variable, will hold os data start address | |
742 | * @os_len: pointer to a ulong variable, will hold os data length | |
743 | * | |
744 | * boot_get_kernel() tries to find a kernel image, verifies its integrity | |
745 | * and locates kernel data. | |
746 | * | |
747 | * returns: | |
748 | * pointer to image header if valid image was found, plus kernel start | |
749 | * address and length, otherwise NULL | |
750 | */ | |
751 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, | |
752 | char * const argv[], bootm_headers_t *images, | |
753 | ulong *os_data, ulong *os_len) | |
754 | { | |
755 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
756 | image_header_t *hdr; | |
757 | #endif | |
758 | ulong img_addr; | |
759 | const void *buf; | |
b6396403 SG |
760 | const char *fit_uname_config = NULL; |
761 | const char *fit_uname_kernel = NULL; | |
6c454fed | 762 | #if defined(CONFIG_FIT) |
b6396403 SG |
763 | int os_noffset; |
764 | #endif | |
765 | ||
e6c88a6b BW |
766 | img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0], |
767 | &fit_uname_config, | |
768 | &fit_uname_kernel); | |
b6396403 SG |
769 | |
770 | bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); | |
771 | ||
772 | /* copy from dataflash if needed */ | |
773 | img_addr = genimg_get_image(img_addr); | |
774 | ||
775 | /* check image type, for FIT images get FIT kernel node */ | |
776 | *os_data = *os_len = 0; | |
777 | buf = map_sysmem(img_addr, 0); | |
778 | switch (genimg_get_format(buf)) { | |
779 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
780 | case IMAGE_FORMAT_LEGACY: | |
781 | printf("## Booting kernel from Legacy Image at %08lx ...\n", | |
782 | img_addr); | |
783 | hdr = image_get_kernel(img_addr, images->verify); | |
784 | if (!hdr) | |
785 | return NULL; | |
786 | bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
787 | ||
788 | /* get os_data and os_len */ | |
789 | switch (image_get_type(hdr)) { | |
790 | case IH_TYPE_KERNEL: | |
791 | case IH_TYPE_KERNEL_NOLOAD: | |
792 | *os_data = image_get_data(hdr); | |
793 | *os_len = image_get_data_size(hdr); | |
794 | break; | |
795 | case IH_TYPE_MULTI: | |
796 | image_multi_getimg(hdr, 0, os_data, os_len); | |
797 | break; | |
798 | case IH_TYPE_STANDALONE: | |
799 | *os_data = image_get_data(hdr); | |
800 | *os_len = image_get_data_size(hdr); | |
801 | break; | |
802 | default: | |
803 | printf("Wrong Image Type for %s command\n", | |
804 | cmdtp->name); | |
805 | bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
806 | return NULL; | |
807 | } | |
808 | ||
809 | /* | |
810 | * copy image header to allow for image overwrites during | |
811 | * kernel decompression. | |
812 | */ | |
813 | memmove(&images->legacy_hdr_os_copy, hdr, | |
814 | sizeof(image_header_t)); | |
815 | ||
816 | /* save pointer to image header */ | |
817 | images->legacy_hdr_os = hdr; | |
818 | ||
819 | images->legacy_hdr_valid = 1; | |
820 | bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); | |
821 | break; | |
822 | #endif | |
823 | #if defined(CONFIG_FIT) | |
824 | case IMAGE_FORMAT_FIT: | |
126cc864 | 825 | os_noffset = fit_image_load(images, img_addr, |
b6396403 SG |
826 | &fit_uname_kernel, &fit_uname_config, |
827 | IH_ARCH_DEFAULT, IH_TYPE_KERNEL, | |
828 | BOOTSTAGE_ID_FIT_KERNEL_START, | |
829 | FIT_LOAD_IGNORED, os_data, os_len); | |
830 | if (os_noffset < 0) | |
831 | return NULL; | |
832 | ||
833 | images->fit_hdr_os = map_sysmem(img_addr, 0); | |
834 | images->fit_uname_os = fit_uname_kernel; | |
835 | images->fit_uname_cfg = fit_uname_config; | |
836 | images->fit_noffset_os = os_noffset; | |
837 | break; | |
838 | #endif | |
839 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
840 | case IMAGE_FORMAT_ANDROID: | |
841 | printf("## Booting Android Image at 0x%08lx ...\n", img_addr); | |
07c0cd71 | 842 | if (android_image_get_kernel(buf, images->verify, |
b6396403 SG |
843 | os_data, os_len)) |
844 | return NULL; | |
845 | break; | |
846 | #endif | |
847 | default: | |
848 | printf("Wrong Image Format for %s command\n", cmdtp->name); | |
849 | bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); | |
850 | return NULL; | |
851 | } | |
852 | ||
853 | debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", | |
854 | *os_data, *os_len, *os_len); | |
855 | ||
856 | return buf; | |
857 | } | |
ce1400f6 SG |
858 | #else /* USE_HOSTCC */ |
859 | ||
860 | void memmove_wd(void *to, void *from, size_t len, ulong chunksz) | |
861 | { | |
862 | memmove(to, from, len); | |
863 | } | |
864 | ||
865 | static int bootm_host_load_image(const void *fit, int req_image_type) | |
866 | { | |
867 | const char *fit_uname_config = NULL; | |
868 | ulong data, len; | |
869 | bootm_headers_t images; | |
870 | int noffset; | |
871 | ulong load_end; | |
872 | uint8_t image_type; | |
873 | uint8_t imape_comp; | |
874 | void *load_buf; | |
875 | int ret; | |
876 | ||
877 | memset(&images, '\0', sizeof(images)); | |
878 | images.verify = 1; | |
879 | noffset = fit_image_load(&images, (ulong)fit, | |
880 | NULL, &fit_uname_config, | |
881 | IH_ARCH_DEFAULT, req_image_type, -1, | |
882 | FIT_LOAD_IGNORED, &data, &len); | |
883 | if (noffset < 0) | |
884 | return noffset; | |
885 | if (fit_image_get_type(fit, noffset, &image_type)) { | |
886 | puts("Can't get image type!\n"); | |
887 | return -EINVAL; | |
888 | } | |
889 | ||
890 | if (fit_image_get_comp(fit, noffset, &imape_comp)) { | |
891 | puts("Can't get image compression!\n"); | |
892 | return -EINVAL; | |
893 | } | |
894 | ||
895 | /* Allow the image to expand by a factor of 4, should be safe */ | |
896 | load_buf = malloc((1 << 20) + len * 4); | |
081cc197 SG |
897 | ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf, |
898 | (void *)data, len, CONFIG_SYS_BOOTM_LEN, | |
899 | &load_end); | |
ce1400f6 | 900 | free(load_buf); |
081cc197 | 901 | |
ce1400f6 SG |
902 | if (ret && ret != BOOTM_ERR_UNIMPLEMENTED) |
903 | return ret; | |
904 | ||
905 | return 0; | |
906 | } | |
907 | ||
908 | int bootm_host_load_images(const void *fit, int cfg_noffset) | |
909 | { | |
910 | static uint8_t image_types[] = { | |
911 | IH_TYPE_KERNEL, | |
912 | IH_TYPE_FLATDT, | |
913 | IH_TYPE_RAMDISK, | |
914 | }; | |
915 | int err = 0; | |
916 | int i; | |
917 | ||
918 | for (i = 0; i < ARRAY_SIZE(image_types); i++) { | |
919 | int ret; | |
920 | ||
921 | ret = bootm_host_load_image(fit, image_types[i]); | |
922 | if (!err && ret && ret != -ENOENT) | |
923 | err = ret; | |
924 | } | |
925 | ||
926 | /* Return the first error we found */ | |
927 | return err; | |
928 | } | |
ea51a628 SG |
929 | |
930 | #endif /* ndef USE_HOSTCC */ |