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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 | |
2b164f1c SG |
292 | /** |
293 | * decomp_image() - decompress the operating system | |
294 | * | |
295 | * @comp: Compression algorithm that is used (IH_COMP_...) | |
296 | * @load: Destination load address in U-Boot memory | |
297 | * @image_start Image start address (where we are decompressing from) | |
298 | * @type: OS type (IH_OS_...) | |
299 | * @load_bug: Place to decompress to | |
300 | * @image_buf: Address to decompress from | |
301 | * @return 0 if OK, -ve on error (BOOTM_ERR_...) | |
302 | */ | |
303 | static int decomp_image(int comp, ulong load, ulong image_start, int type, | |
304 | void *load_buf, void *image_buf, ulong image_len, | |
305 | ulong *load_end) | |
b6396403 | 306 | { |
2b164f1c SG |
307 | const char *type_name = genimg_get_type_name(type); |
308 | __attribute__((unused)) uint unc_len = CONFIG_SYS_BOOTM_LEN; | |
b6396403 | 309 | |
2b164f1c | 310 | *load_end = load; |
b6396403 SG |
311 | switch (comp) { |
312 | case IH_COMP_NONE: | |
313 | if (load == image_start) { | |
314 | printf(" XIP %s ... ", type_name); | |
b6396403 SG |
315 | } else { |
316 | printf(" Loading %s ... ", type_name); | |
317 | memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); | |
318 | } | |
319 | *load_end = load + image_len; | |
320 | break; | |
321 | #ifdef CONFIG_GZIP | |
40e5975f SG |
322 | case IH_COMP_GZIP: { |
323 | int ret; | |
324 | ||
325 | print_decomp_msg(type_name); | |
326 | ret = gunzip(load_buf, unc_len, image_buf, &image_len); | |
327 | if (ret != 0) { | |
328 | return handle_decomp_error("GUNZIP", image_len, | |
329 | unc_len, ret); | |
b6396403 SG |
330 | } |
331 | ||
332 | *load_end = load + image_len; | |
333 | break; | |
40e5975f | 334 | } |
b6396403 SG |
335 | #endif /* CONFIG_GZIP */ |
336 | #ifdef CONFIG_BZIP2 | |
40e5975f SG |
337 | case IH_COMP_BZIP2: { |
338 | size_t size = unc_len; | |
339 | ||
340 | print_decomp_msg(type_name); | |
b6396403 SG |
341 | /* |
342 | * If we've got less than 4 MB of malloc() space, | |
343 | * use slower decompression algorithm which requires | |
344 | * at most 2300 KB of memory. | |
345 | */ | |
346 | int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, | |
347 | image_buf, image_len, | |
348 | CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); | |
349 | if (i != BZ_OK) { | |
40e5975f SG |
350 | return handle_decomp_error("BUNZIP2", size, unc_len, |
351 | i); | |
b6396403 SG |
352 | } |
353 | ||
354 | *load_end = load + unc_len; | |
355 | break; | |
40e5975f | 356 | } |
b6396403 SG |
357 | #endif /* CONFIG_BZIP2 */ |
358 | #ifdef CONFIG_LZMA | |
359 | case IH_COMP_LZMA: { | |
360 | SizeT lzma_len = unc_len; | |
2b164f1c SG |
361 | int ret; |
362 | ||
40e5975f | 363 | print_decomp_msg(type_name); |
b6396403 SG |
364 | ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
365 | image_buf, image_len); | |
b6396403 | 366 | if (ret != SZ_OK) { |
40e5975f SG |
367 | return handle_decomp_error("LZMA", lzma_len, unc_len, |
368 | ret); | |
b6396403 | 369 | } |
40e5975f | 370 | unc_len = lzma_len; |
b6396403 SG |
371 | *load_end = load + unc_len; |
372 | break; | |
373 | } | |
374 | #endif /* CONFIG_LZMA */ | |
375 | #ifdef CONFIG_LZO | |
376 | case IH_COMP_LZO: { | |
377 | size_t size = unc_len; | |
2b164f1c | 378 | int ret; |
b6396403 | 379 | |
40e5975f | 380 | print_decomp_msg(type_name); |
b6396403 SG |
381 | |
382 | ret = lzop_decompress(image_buf, image_len, load_buf, &size); | |
40e5975f SG |
383 | if (ret != LZO_E_OK) |
384 | return handle_decomp_error("LZO", size, unc_len, ret); | |
b6396403 SG |
385 | |
386 | *load_end = load + size; | |
387 | break; | |
388 | } | |
389 | #endif /* CONFIG_LZO */ | |
390 | default: | |
391 | printf("Unimplemented compression type %d\n", comp); | |
392 | return BOOTM_ERR_UNIMPLEMENTED; | |
393 | } | |
394 | ||
2b164f1c SG |
395 | puts("OK\n"); |
396 | ||
397 | return 0; | |
398 | } | |
399 | ||
ce1400f6 | 400 | #ifndef USE_HOSTCC |
2b164f1c SG |
401 | static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, |
402 | int boot_progress) | |
403 | { | |
404 | image_info_t os = images->os; | |
405 | ulong load = os.load; | |
406 | ulong blob_start = os.start; | |
407 | ulong blob_end = os.end; | |
408 | ulong image_start = os.image_start; | |
409 | ulong image_len = os.image_len; | |
410 | bool no_overlap; | |
411 | void *load_buf, *image_buf; | |
412 | int err; | |
413 | ||
414 | load_buf = map_sysmem(load, 0); | |
415 | image_buf = map_sysmem(os.image_start, image_len); | |
416 | err = decomp_image(os.comp, load, os.image_start, os.type, load_buf, | |
417 | image_buf, image_len, load_end); | |
418 | if (err) { | |
419 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); | |
420 | return err; | |
421 | } | |
b6396403 SG |
422 | flush_cache(load, (*load_end - load) * sizeof(ulong)); |
423 | ||
b6396403 SG |
424 | debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); |
425 | bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); | |
426 | ||
2b164f1c SG |
427 | no_overlap = (os.comp == IH_COMP_NONE && load == image_start); |
428 | ||
b6396403 SG |
429 | if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { |
430 | debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", | |
431 | blob_start, blob_end); | |
432 | debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, | |
433 | *load_end); | |
434 | ||
435 | /* Check what type of image this is. */ | |
436 | if (images->legacy_hdr_valid) { | |
437 | if (image_get_type(&images->legacy_hdr_os_copy) | |
438 | == IH_TYPE_MULTI) | |
439 | puts("WARNING: legacy format multi component image overwritten\n"); | |
440 | return BOOTM_ERR_OVERLAP; | |
441 | } else { | |
442 | puts("ERROR: new format image overwritten - must RESET the board to recover\n"); | |
443 | bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); | |
444 | return BOOTM_ERR_RESET; | |
445 | } | |
446 | } | |
447 | ||
448 | return 0; | |
449 | } | |
450 | ||
451 | /** | |
452 | * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot | |
453 | * | |
454 | * @return interrupt flag (0 if interrupts were disabled, non-zero if they were | |
455 | * enabled) | |
456 | */ | |
457 | ulong bootm_disable_interrupts(void) | |
458 | { | |
459 | ulong iflag; | |
460 | ||
461 | /* | |
462 | * We have reached the point of no return: we are going to | |
463 | * overwrite all exception vector code, so we cannot easily | |
464 | * recover from any failures any more... | |
465 | */ | |
466 | iflag = disable_interrupts(); | |
467 | #ifdef CONFIG_NETCONSOLE | |
468 | /* Stop the ethernet stack if NetConsole could have left it up */ | |
469 | eth_halt(); | |
470 | eth_unregister(eth_get_dev()); | |
471 | #endif | |
472 | ||
473 | #if defined(CONFIG_CMD_USB) | |
474 | /* | |
475 | * turn off USB to prevent the host controller from writing to the | |
476 | * SDRAM while Linux is booting. This could happen (at least for OHCI | |
477 | * controller), because the HCCA (Host Controller Communication Area) | |
478 | * lies within the SDRAM and the host controller writes continously to | |
479 | * this area (as busmaster!). The HccaFrameNumber is for example | |
480 | * updated every 1 ms within the HCCA structure in SDRAM! For more | |
481 | * details see the OpenHCI specification. | |
482 | */ | |
483 | usb_stop(); | |
484 | #endif | |
485 | return iflag; | |
486 | } | |
487 | ||
488 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
489 | ||
490 | #define CONSOLE_ARG "console=" | |
491 | #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) | |
492 | ||
493 | static void fixup_silent_linux(void) | |
494 | { | |
495 | char *buf; | |
496 | const char *env_val; | |
497 | char *cmdline = getenv("bootargs"); | |
498 | int want_silent; | |
499 | ||
500 | /* | |
501 | * Only fix cmdline when requested. The environment variable can be: | |
502 | * | |
503 | * no - we never fixup | |
504 | * yes - we always fixup | |
505 | * unset - we rely on the console silent flag | |
506 | */ | |
507 | want_silent = getenv_yesno("silent_linux"); | |
508 | if (want_silent == 0) | |
509 | return; | |
510 | else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) | |
511 | return; | |
512 | ||
513 | debug("before silent fix-up: %s\n", cmdline); | |
514 | if (cmdline && (cmdline[0] != '\0')) { | |
515 | char *start = strstr(cmdline, CONSOLE_ARG); | |
516 | ||
517 | /* Allocate space for maximum possible new command line */ | |
518 | buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); | |
519 | if (!buf) { | |
520 | debug("%s: out of memory\n", __func__); | |
521 | return; | |
522 | } | |
523 | ||
524 | if (start) { | |
525 | char *end = strchr(start, ' '); | |
526 | int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; | |
527 | ||
528 | strncpy(buf, cmdline, num_start_bytes); | |
529 | if (end) | |
530 | strcpy(buf + num_start_bytes, end); | |
531 | else | |
532 | buf[num_start_bytes] = '\0'; | |
533 | } else { | |
534 | sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); | |
535 | } | |
536 | env_val = buf; | |
537 | } else { | |
538 | buf = NULL; | |
539 | env_val = CONSOLE_ARG; | |
540 | } | |
541 | ||
542 | setenv("bootargs", env_val); | |
543 | debug("after silent fix-up: %s\n", env_val); | |
544 | free(buf); | |
545 | } | |
546 | #endif /* CONFIG_SILENT_CONSOLE */ | |
547 | ||
548 | /** | |
549 | * Execute selected states of the bootm command. | |
550 | * | |
551 | * Note the arguments to this state must be the first argument, Any 'bootm' | |
552 | * or sub-command arguments must have already been taken. | |
553 | * | |
554 | * Note that if states contains more than one flag it MUST contain | |
555 | * BOOTM_STATE_START, since this handles and consumes the command line args. | |
556 | * | |
557 | * Also note that aside from boot_os_fn functions and bootm_load_os no other | |
558 | * functions we store the return value of in 'ret' may use a negative return | |
559 | * value, without special handling. | |
560 | * | |
561 | * @param cmdtp Pointer to bootm command table entry | |
562 | * @param flag Command flags (CMD_FLAG_...) | |
563 | * @param argc Number of subcommand arguments (0 = no arguments) | |
564 | * @param argv Arguments | |
565 | * @param states Mask containing states to run (BOOTM_STATE_...) | |
566 | * @param images Image header information | |
567 | * @param boot_progress 1 to show boot progress, 0 to not do this | |
568 | * @return 0 if ok, something else on error. Some errors will cause this | |
569 | * function to perform a reboot! If states contains BOOTM_STATE_OS_GO | |
570 | * then the intent is to boot an OS, so this function will not return | |
571 | * unless the image type is standalone. | |
572 | */ | |
573 | int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], | |
574 | int states, bootm_headers_t *images, int boot_progress) | |
575 | { | |
576 | boot_os_fn *boot_fn; | |
577 | ulong iflag = 0; | |
578 | int ret = 0, need_boot_fn; | |
579 | ||
580 | images->state |= states; | |
581 | ||
582 | /* | |
583 | * Work through the states and see how far we get. We stop on | |
584 | * any error. | |
585 | */ | |
586 | if (states & BOOTM_STATE_START) | |
587 | ret = bootm_start(cmdtp, flag, argc, argv); | |
588 | ||
589 | if (!ret && (states & BOOTM_STATE_FINDOS)) | |
590 | ret = bootm_find_os(cmdtp, flag, argc, argv); | |
591 | ||
592 | if (!ret && (states & BOOTM_STATE_FINDOTHER)) { | |
593 | ret = bootm_find_other(cmdtp, flag, argc, argv); | |
594 | argc = 0; /* consume the args */ | |
595 | } | |
596 | ||
597 | /* Load the OS */ | |
598 | if (!ret && (states & BOOTM_STATE_LOADOS)) { | |
599 | ulong load_end; | |
600 | ||
601 | iflag = bootm_disable_interrupts(); | |
602 | ret = bootm_load_os(images, &load_end, 0); | |
603 | if (ret == 0) | |
604 | lmb_reserve(&images->lmb, images->os.load, | |
605 | (load_end - images->os.load)); | |
606 | else if (ret && ret != BOOTM_ERR_OVERLAP) | |
607 | goto err; | |
608 | else if (ret == BOOTM_ERR_OVERLAP) | |
609 | ret = 0; | |
610 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
611 | if (images->os.os == IH_OS_LINUX) | |
612 | fixup_silent_linux(); | |
613 | #endif | |
614 | } | |
615 | ||
616 | /* Relocate the ramdisk */ | |
617 | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH | |
618 | if (!ret && (states & BOOTM_STATE_RAMDISK)) { | |
619 | ulong rd_len = images->rd_end - images->rd_start; | |
620 | ||
621 | ret = boot_ramdisk_high(&images->lmb, images->rd_start, | |
622 | rd_len, &images->initrd_start, &images->initrd_end); | |
623 | if (!ret) { | |
624 | setenv_hex("initrd_start", images->initrd_start); | |
625 | setenv_hex("initrd_end", images->initrd_end); | |
626 | } | |
627 | } | |
628 | #endif | |
629 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB) | |
630 | if (!ret && (states & BOOTM_STATE_FDT)) { | |
631 | boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); | |
632 | ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, | |
633 | &images->ft_len); | |
634 | } | |
635 | #endif | |
636 | ||
637 | /* From now on, we need the OS boot function */ | |
638 | if (ret) | |
639 | return ret; | |
640 | boot_fn = bootm_os_get_boot_func(images->os.os); | |
641 | need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | | |
642 | BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | | |
643 | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); | |
644 | if (boot_fn == NULL && need_boot_fn) { | |
645 | if (iflag) | |
646 | enable_interrupts(); | |
647 | printf("ERROR: booting os '%s' (%d) is not supported\n", | |
648 | genimg_get_os_name(images->os.os), images->os.os); | |
649 | bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); | |
650 | return 1; | |
651 | } | |
652 | ||
653 | /* Call various other states that are not generally used */ | |
654 | if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) | |
655 | ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); | |
656 | if (!ret && (states & BOOTM_STATE_OS_BD_T)) | |
657 | ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); | |
658 | if (!ret && (states & BOOTM_STATE_OS_PREP)) | |
659 | ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); | |
660 | ||
661 | #ifdef CONFIG_TRACE | |
662 | /* Pretend to run the OS, then run a user command */ | |
663 | if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { | |
664 | char *cmd_list = getenv("fakegocmd"); | |
665 | ||
666 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, | |
667 | images, boot_fn); | |
668 | if (!ret && cmd_list) | |
669 | ret = run_command_list(cmd_list, -1, flag); | |
670 | } | |
671 | #endif | |
672 | ||
673 | /* Check for unsupported subcommand. */ | |
674 | if (ret) { | |
675 | puts("subcommand not supported\n"); | |
676 | return ret; | |
677 | } | |
678 | ||
679 | /* Now run the OS! We hope this doesn't return */ | |
680 | if (!ret && (states & BOOTM_STATE_OS_GO)) | |
681 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, | |
682 | images, boot_fn); | |
683 | ||
684 | /* Deal with any fallout */ | |
685 | err: | |
686 | if (iflag) | |
687 | enable_interrupts(); | |
688 | ||
689 | if (ret == BOOTM_ERR_UNIMPLEMENTED) | |
690 | bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); | |
691 | else if (ret == BOOTM_ERR_RESET) | |
692 | do_reset(cmdtp, flag, argc, argv); | |
693 | ||
694 | return ret; | |
695 | } | |
696 | ||
697 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
698 | /** | |
699 | * image_get_kernel - verify legacy format kernel image | |
700 | * @img_addr: in RAM address of the legacy format image to be verified | |
701 | * @verify: data CRC verification flag | |
702 | * | |
703 | * image_get_kernel() verifies legacy image integrity and returns pointer to | |
704 | * legacy image header if image verification was completed successfully. | |
705 | * | |
706 | * returns: | |
707 | * pointer to a legacy image header if valid image was found | |
708 | * otherwise return NULL | |
709 | */ | |
710 | static image_header_t *image_get_kernel(ulong img_addr, int verify) | |
711 | { | |
712 | image_header_t *hdr = (image_header_t *)img_addr; | |
713 | ||
714 | if (!image_check_magic(hdr)) { | |
715 | puts("Bad Magic Number\n"); | |
716 | bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); | |
717 | return NULL; | |
718 | } | |
719 | bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); | |
720 | ||
721 | if (!image_check_hcrc(hdr)) { | |
722 | puts("Bad Header Checksum\n"); | |
723 | bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); | |
724 | return NULL; | |
725 | } | |
726 | ||
727 | bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
728 | image_print_contents(hdr); | |
729 | ||
730 | if (verify) { | |
731 | puts(" Verifying Checksum ... "); | |
732 | if (!image_check_dcrc(hdr)) { | |
733 | printf("Bad Data CRC\n"); | |
734 | bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
735 | return NULL; | |
736 | } | |
737 | puts("OK\n"); | |
738 | } | |
739 | bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); | |
740 | ||
741 | if (!image_check_target_arch(hdr)) { | |
742 | printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); | |
743 | bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); | |
744 | return NULL; | |
745 | } | |
746 | return hdr; | |
747 | } | |
748 | #endif | |
749 | ||
750 | /** | |
751 | * boot_get_kernel - find kernel image | |
752 | * @os_data: pointer to a ulong variable, will hold os data start address | |
753 | * @os_len: pointer to a ulong variable, will hold os data length | |
754 | * | |
755 | * boot_get_kernel() tries to find a kernel image, verifies its integrity | |
756 | * and locates kernel data. | |
757 | * | |
758 | * returns: | |
759 | * pointer to image header if valid image was found, plus kernel start | |
760 | * address and length, otherwise NULL | |
761 | */ | |
762 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, | |
763 | char * const argv[], bootm_headers_t *images, | |
764 | ulong *os_data, ulong *os_len) | |
765 | { | |
766 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
767 | image_header_t *hdr; | |
768 | #endif | |
769 | ulong img_addr; | |
770 | const void *buf; | |
b6396403 SG |
771 | const char *fit_uname_config = NULL; |
772 | const char *fit_uname_kernel = NULL; | |
6c454fed | 773 | #if defined(CONFIG_FIT) |
b6396403 SG |
774 | int os_noffset; |
775 | #endif | |
776 | ||
e6c88a6b BW |
777 | img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0], |
778 | &fit_uname_config, | |
779 | &fit_uname_kernel); | |
b6396403 SG |
780 | |
781 | bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); | |
782 | ||
783 | /* copy from dataflash if needed */ | |
784 | img_addr = genimg_get_image(img_addr); | |
785 | ||
786 | /* check image type, for FIT images get FIT kernel node */ | |
787 | *os_data = *os_len = 0; | |
788 | buf = map_sysmem(img_addr, 0); | |
789 | switch (genimg_get_format(buf)) { | |
790 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
791 | case IMAGE_FORMAT_LEGACY: | |
792 | printf("## Booting kernel from Legacy Image at %08lx ...\n", | |
793 | img_addr); | |
794 | hdr = image_get_kernel(img_addr, images->verify); | |
795 | if (!hdr) | |
796 | return NULL; | |
797 | bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
798 | ||
799 | /* get os_data and os_len */ | |
800 | switch (image_get_type(hdr)) { | |
801 | case IH_TYPE_KERNEL: | |
802 | case IH_TYPE_KERNEL_NOLOAD: | |
803 | *os_data = image_get_data(hdr); | |
804 | *os_len = image_get_data_size(hdr); | |
805 | break; | |
806 | case IH_TYPE_MULTI: | |
807 | image_multi_getimg(hdr, 0, os_data, os_len); | |
808 | break; | |
809 | case IH_TYPE_STANDALONE: | |
810 | *os_data = image_get_data(hdr); | |
811 | *os_len = image_get_data_size(hdr); | |
812 | break; | |
813 | default: | |
814 | printf("Wrong Image Type for %s command\n", | |
815 | cmdtp->name); | |
816 | bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
817 | return NULL; | |
818 | } | |
819 | ||
820 | /* | |
821 | * copy image header to allow for image overwrites during | |
822 | * kernel decompression. | |
823 | */ | |
824 | memmove(&images->legacy_hdr_os_copy, hdr, | |
825 | sizeof(image_header_t)); | |
826 | ||
827 | /* save pointer to image header */ | |
828 | images->legacy_hdr_os = hdr; | |
829 | ||
830 | images->legacy_hdr_valid = 1; | |
831 | bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); | |
832 | break; | |
833 | #endif | |
834 | #if defined(CONFIG_FIT) | |
835 | case IMAGE_FORMAT_FIT: | |
126cc864 | 836 | os_noffset = fit_image_load(images, img_addr, |
b6396403 SG |
837 | &fit_uname_kernel, &fit_uname_config, |
838 | IH_ARCH_DEFAULT, IH_TYPE_KERNEL, | |
839 | BOOTSTAGE_ID_FIT_KERNEL_START, | |
840 | FIT_LOAD_IGNORED, os_data, os_len); | |
841 | if (os_noffset < 0) | |
842 | return NULL; | |
843 | ||
844 | images->fit_hdr_os = map_sysmem(img_addr, 0); | |
845 | images->fit_uname_os = fit_uname_kernel; | |
846 | images->fit_uname_cfg = fit_uname_config; | |
847 | images->fit_noffset_os = os_noffset; | |
848 | break; | |
849 | #endif | |
850 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
851 | case IMAGE_FORMAT_ANDROID: | |
852 | printf("## Booting Android Image at 0x%08lx ...\n", img_addr); | |
07c0cd71 | 853 | if (android_image_get_kernel(buf, images->verify, |
b6396403 SG |
854 | os_data, os_len)) |
855 | return NULL; | |
856 | break; | |
857 | #endif | |
858 | default: | |
859 | printf("Wrong Image Format for %s command\n", cmdtp->name); | |
860 | bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); | |
861 | return NULL; | |
862 | } | |
863 | ||
864 | debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", | |
865 | *os_data, *os_len, *os_len); | |
866 | ||
867 | return buf; | |
868 | } | |
ce1400f6 SG |
869 | #else /* USE_HOSTCC */ |
870 | ||
871 | void memmove_wd(void *to, void *from, size_t len, ulong chunksz) | |
872 | { | |
873 | memmove(to, from, len); | |
874 | } | |
875 | ||
876 | static int bootm_host_load_image(const void *fit, int req_image_type) | |
877 | { | |
878 | const char *fit_uname_config = NULL; | |
879 | ulong data, len; | |
880 | bootm_headers_t images; | |
881 | int noffset; | |
882 | ulong load_end; | |
883 | uint8_t image_type; | |
884 | uint8_t imape_comp; | |
885 | void *load_buf; | |
886 | int ret; | |
887 | ||
888 | memset(&images, '\0', sizeof(images)); | |
889 | images.verify = 1; | |
890 | noffset = fit_image_load(&images, (ulong)fit, | |
891 | NULL, &fit_uname_config, | |
892 | IH_ARCH_DEFAULT, req_image_type, -1, | |
893 | FIT_LOAD_IGNORED, &data, &len); | |
894 | if (noffset < 0) | |
895 | return noffset; | |
896 | if (fit_image_get_type(fit, noffset, &image_type)) { | |
897 | puts("Can't get image type!\n"); | |
898 | return -EINVAL; | |
899 | } | |
900 | ||
901 | if (fit_image_get_comp(fit, noffset, &imape_comp)) { | |
902 | puts("Can't get image compression!\n"); | |
903 | return -EINVAL; | |
904 | } | |
905 | ||
906 | /* Allow the image to expand by a factor of 4, should be safe */ | |
907 | load_buf = malloc((1 << 20) + len * 4); | |
908 | ret = decomp_image(imape_comp, 0, data, image_type, load_buf, | |
909 | (void *)data, len, &load_end); | |
910 | free(load_buf); | |
911 | if (ret && ret != BOOTM_ERR_UNIMPLEMENTED) | |
912 | return ret; | |
913 | ||
914 | return 0; | |
915 | } | |
916 | ||
917 | int bootm_host_load_images(const void *fit, int cfg_noffset) | |
918 | { | |
919 | static uint8_t image_types[] = { | |
920 | IH_TYPE_KERNEL, | |
921 | IH_TYPE_FLATDT, | |
922 | IH_TYPE_RAMDISK, | |
923 | }; | |
924 | int err = 0; | |
925 | int i; | |
926 | ||
927 | for (i = 0; i < ARRAY_SIZE(image_types); i++) { | |
928 | int ret; | |
929 | ||
930 | ret = bootm_host_load_image(fit, image_types[i]); | |
931 | if (!err && ret && ret != -ENOENT) | |
932 | err = ret; | |
933 | } | |
934 | ||
935 | /* Return the first error we found */ | |
936 | return err; | |
937 | } | |
ea51a628 SG |
938 | |
939 | #endif /* ndef USE_HOSTCC */ |