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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
b6396403 SG |
2 | /* |
3 | * (C) Copyright 2000-2009 | |
4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
b6396403 SG |
5 | */ |
6 | ||
ea51a628 | 7 | #ifndef USE_HOSTCC |
b6396403 | 8 | #include <common.h> |
ea51a628 | 9 | #include <bootstage.h> |
b6396403 | 10 | #include <bzlib.h> |
90268b87 | 11 | #include <errno.h> |
b6396403 SG |
12 | #include <fdt_support.h> |
13 | #include <lmb.h> | |
14 | #include <malloc.h> | |
0eb25b61 | 15 | #include <mapmem.h> |
b6396403 SG |
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 | ||
5db28905 TR |
43 | bootm_headers_t images; /* pointers to os/initrd/fdt images */ |
44 | ||
b6396403 SG |
45 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
46 | char * const argv[], bootm_headers_t *images, | |
47 | ulong *os_data, ulong *os_len); | |
48 | ||
329da485 SG |
49 | __weak void board_quiesce_devices(void) |
50 | { | |
51 | } | |
52 | ||
b6396403 SG |
53 | #ifdef CONFIG_LMB |
54 | static void boot_start_lmb(bootm_headers_t *images) | |
55 | { | |
56 | ulong mem_start; | |
57 | phys_size_t mem_size; | |
58 | ||
723806cc SG |
59 | mem_start = env_get_bootm_low(); |
60 | mem_size = env_get_bootm_size(); | |
b6396403 | 61 | |
9cc2323f SG |
62 | lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start, |
63 | mem_size, NULL); | |
b6396403 SG |
64 | } |
65 | #else | |
66 | #define lmb_reserve(lmb, base, size) | |
67 | static inline void boot_start_lmb(bootm_headers_t *images) { } | |
68 | #endif | |
69 | ||
70 | static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, | |
71 | char * const argv[]) | |
72 | { | |
73 | memset((void *)&images, 0, sizeof(images)); | |
bfebc8c9 | 74 | images.verify = env_get_yesno("verify"); |
b6396403 SG |
75 | |
76 | boot_start_lmb(&images); | |
77 | ||
78 | bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); | |
79 | images.state = BOOTM_STATE_START; | |
80 | ||
81 | return 0; | |
82 | } | |
83 | ||
84 | static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, | |
85 | char * const argv[]) | |
86 | { | |
87 | const void *os_hdr; | |
88 | bool ep_found = false; | |
90268b87 | 89 | int ret; |
b6396403 SG |
90 | |
91 | /* get kernel image header, start address and length */ | |
92 | os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, | |
93 | &images, &images.os.image_start, &images.os.image_len); | |
94 | if (images.os.image_len == 0) { | |
95 | puts("ERROR: can't get kernel image!\n"); | |
96 | return 1; | |
97 | } | |
98 | ||
99 | /* get image parameters */ | |
100 | switch (genimg_get_format(os_hdr)) { | |
101 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
102 | case IMAGE_FORMAT_LEGACY: | |
103 | images.os.type = image_get_type(os_hdr); | |
104 | images.os.comp = image_get_comp(os_hdr); | |
105 | images.os.os = image_get_os(os_hdr); | |
106 | ||
107 | images.os.end = image_get_image_end(os_hdr); | |
108 | images.os.load = image_get_load(os_hdr); | |
90268b87 | 109 | images.os.arch = image_get_arch(os_hdr); |
b6396403 SG |
110 | break; |
111 | #endif | |
73223f0e | 112 | #if IMAGE_ENABLE_FIT |
b6396403 SG |
113 | case IMAGE_FORMAT_FIT: |
114 | if (fit_image_get_type(images.fit_hdr_os, | |
115 | images.fit_noffset_os, | |
116 | &images.os.type)) { | |
117 | puts("Can't get image type!\n"); | |
118 | bootstage_error(BOOTSTAGE_ID_FIT_TYPE); | |
119 | return 1; | |
120 | } | |
121 | ||
122 | if (fit_image_get_comp(images.fit_hdr_os, | |
123 | images.fit_noffset_os, | |
124 | &images.os.comp)) { | |
125 | puts("Can't get image compression!\n"); | |
126 | bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); | |
127 | return 1; | |
128 | } | |
129 | ||
130 | if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, | |
131 | &images.os.os)) { | |
132 | puts("Can't get image OS!\n"); | |
133 | bootstage_error(BOOTSTAGE_ID_FIT_OS); | |
134 | return 1; | |
135 | } | |
136 | ||
90268b87 SG |
137 | if (fit_image_get_arch(images.fit_hdr_os, |
138 | images.fit_noffset_os, | |
139 | &images.os.arch)) { | |
140 | puts("Can't get image ARCH!\n"); | |
141 | return 1; | |
142 | } | |
143 | ||
b6396403 SG |
144 | images.os.end = fit_get_end(images.fit_hdr_os); |
145 | ||
146 | if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, | |
147 | &images.os.load)) { | |
148 | puts("Can't get image load address!\n"); | |
149 | bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); | |
150 | return 1; | |
151 | } | |
152 | break; | |
153 | #endif | |
154 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
155 | case IMAGE_FORMAT_ANDROID: | |
156 | images.os.type = IH_TYPE_KERNEL; | |
157 | images.os.comp = IH_COMP_NONE; | |
158 | images.os.os = IH_OS_LINUX; | |
b6396403 SG |
159 | |
160 | images.os.end = android_image_get_end(os_hdr); | |
161 | images.os.load = android_image_get_kload(os_hdr); | |
86f4695b AD |
162 | images.ep = images.os.load; |
163 | ep_found = true; | |
b6396403 SG |
164 | break; |
165 | #endif | |
166 | default: | |
167 | puts("ERROR: unknown image format type!\n"); | |
168 | return 1; | |
169 | } | |
170 | ||
90268b87 | 171 | /* If we have a valid setup.bin, we will use that for entry (x86) */ |
5bda35cf SG |
172 | if (images.os.arch == IH_ARCH_I386 || |
173 | images.os.arch == IH_ARCH_X86_64) { | |
90268b87 SG |
174 | ulong len; |
175 | ||
176 | ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len); | |
177 | if (ret < 0 && ret != -ENOENT) { | |
178 | puts("Could not find a valid setup.bin for x86\n"); | |
179 | return 1; | |
180 | } | |
181 | /* Kernel entry point is the setup.bin */ | |
182 | } else if (images.legacy_hdr_valid) { | |
b6396403 | 183 | images.ep = image_get_ep(&images.legacy_hdr_os_copy); |
73223f0e | 184 | #if IMAGE_ENABLE_FIT |
b6396403 SG |
185 | } else if (images.fit_uname_os) { |
186 | int ret; | |
187 | ||
188 | ret = fit_image_get_entry(images.fit_hdr_os, | |
189 | images.fit_noffset_os, &images.ep); | |
190 | if (ret) { | |
191 | puts("Can't get entry point property!\n"); | |
192 | return 1; | |
193 | } | |
194 | #endif | |
195 | } else if (!ep_found) { | |
196 | puts("Could not find kernel entry point!\n"); | |
197 | return 1; | |
198 | } | |
199 | ||
200 | if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { | |
487b5fa6 MV |
201 | if (CONFIG_IS_ENABLED(CMD_BOOTI) && |
202 | images.os.arch == IH_ARCH_ARM64) { | |
203 | ulong image_addr; | |
204 | ulong image_size; | |
205 | ||
206 | ret = booti_setup(images.os.image_start, &image_addr, | |
207 | &image_size, true); | |
208 | if (ret != 0) | |
209 | return 1; | |
210 | ||
211 | images.os.type = IH_TYPE_KERNEL; | |
212 | images.os.load = image_addr; | |
213 | images.ep = image_addr; | |
214 | } else { | |
215 | images.os.load = images.os.image_start; | |
216 | images.ep += images.os.image_start; | |
217 | } | |
b6396403 SG |
218 | } |
219 | ||
7a80de46 | 220 | images.os.start = map_to_sysmem(os_hdr); |
b6396403 SG |
221 | |
222 | return 0; | |
223 | } | |
224 | ||
d52e8575 KA |
225 | /** |
226 | * bootm_find_images - wrapper to find and locate various images | |
227 | * @flag: Ignored Argument | |
228 | * @argc: command argument count | |
229 | * @argv: command argument list | |
230 | * | |
231 | * boot_find_images() will attempt to load an available ramdisk, | |
232 | * flattened device tree, as well as specifically marked | |
233 | * "loadable" images (loadables are FIT only) | |
234 | * | |
235 | * Note: bootm_find_images will skip an image if it is not found | |
236 | * | |
237 | * @return: | |
238 | * 0, if all existing images were loaded correctly | |
239 | * 1, if an image is found but corrupted, or invalid | |
240 | */ | |
241 | int bootm_find_images(int flag, int argc, char * const argv[]) | |
b6396403 SG |
242 | { |
243 | int ret; | |
244 | ||
245 | /* find ramdisk */ | |
246 | ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, | |
247 | &images.rd_start, &images.rd_end); | |
248 | if (ret) { | |
249 | puts("Ramdisk image is corrupt or invalid\n"); | |
250 | return 1; | |
251 | } | |
252 | ||
aa34fbc0 | 253 | #if IMAGE_ENABLE_OF_LIBFDT |
b6396403 SG |
254 | /* find flattened device tree */ |
255 | ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, | |
256 | &images.ft_addr, &images.ft_len); | |
257 | if (ret) { | |
258 | puts("Could not find a valid device tree\n"); | |
259 | return 1; | |
260 | } | |
596be5f3 SG |
261 | if (CONFIG_IS_ENABLED(CMD_FDT)) |
262 | set_working_fdt_addr(map_to_sysmem(images.ft_addr)); | |
b6396403 SG |
263 | #endif |
264 | ||
73223f0e | 265 | #if IMAGE_ENABLE_FIT |
8b93a92f | 266 | #if defined(CONFIG_FPGA) |
62afc601 MS |
267 | /* find bitstreams */ |
268 | ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT, | |
269 | NULL, NULL); | |
270 | if (ret) { | |
271 | printf("FPGA image is corrupted or invalid\n"); | |
272 | return 1; | |
273 | } | |
274 | #endif | |
275 | ||
84a07dbf KA |
276 | /* find all of the loadables */ |
277 | ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT, | |
278 | NULL, NULL); | |
279 | if (ret) { | |
280 | printf("Loadable(s) is corrupt or invalid\n"); | |
281 | return 1; | |
282 | } | |
84a07dbf KA |
283 | #endif |
284 | ||
b6396403 SG |
285 | return 0; |
286 | } | |
287 | ||
288 | static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, | |
289 | char * const argv[]) | |
290 | { | |
291 | if (((images.os.type == IH_TYPE_KERNEL) || | |
292 | (images.os.type == IH_TYPE_KERNEL_NOLOAD) || | |
293 | (images.os.type == IH_TYPE_MULTI)) && | |
294 | (images.os.os == IH_OS_LINUX || | |
295 | images.os.os == IH_OS_VXWORKS)) | |
d52e8575 | 296 | return bootm_find_images(flag, argc, argv); |
b6396403 SG |
297 | |
298 | return 0; | |
299 | } | |
40e5975f SG |
300 | #endif /* USE_HOSTC */ |
301 | ||
8fd6a4b5 SG |
302 | /** |
303 | * print_decomp_msg() - Print a suitable decompression/loading message | |
304 | * | |
305 | * @type: OS type (IH_OS_...) | |
306 | * @comp_type: Compression type being used (IH_COMP_...) | |
307 | * @is_xip: true if the load address matches the image start | |
308 | */ | |
309 | static void print_decomp_msg(int comp_type, int type, bool is_xip) | |
40e5975f | 310 | { |
8fd6a4b5 SG |
311 | const char *name = genimg_get_type_name(type); |
312 | ||
313 | if (comp_type == IH_COMP_NONE) | |
314 | printf(" %s %s ... ", is_xip ? "XIP" : "Loading", name); | |
315 | else | |
316 | printf(" Uncompressing %s ... ", name); | |
40e5975f SG |
317 | } |
318 | ||
3086c055 SG |
319 | /** |
320 | * handle_decomp_error() - display a decompression error | |
321 | * | |
322 | * This function tries to produce a useful message. In the case where the | |
323 | * uncompressed size is the same as the available space, we can assume that | |
324 | * the image is too large for the buffer. | |
325 | * | |
326 | * @comp_type: Compression type being used (IH_COMP_...) | |
327 | * @uncomp_size: Number of bytes uncompressed | |
328 | * @unc_len: Amount of space available for decompression | |
329 | * @ret: Error code to report | |
330 | * @return BOOTM_ERR_RESET, indicating that the board must be reset | |
331 | */ | |
332 | static int handle_decomp_error(int comp_type, size_t uncomp_size, | |
333 | size_t unc_len, int ret) | |
40e5975f | 334 | { |
3086c055 SG |
335 | const char *name = genimg_get_comp_name(comp_type); |
336 | ||
337 | if (uncomp_size >= unc_len) | |
338 | printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n"); | |
40e5975f | 339 | else |
3086c055 SG |
340 | printf("%s: uncompress error %d\n", name, ret); |
341 | ||
342 | /* | |
343 | * The decompression routines are now safe, so will not write beyond | |
344 | * their bounds. Probably it is not necessary to reset, but maintain | |
345 | * the current behaviour for now. | |
346 | */ | |
347 | printf("Must RESET board to recover\n"); | |
40e5975f SG |
348 | #ifndef USE_HOSTCC |
349 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); | |
350 | #endif | |
351 | ||
352 | return BOOTM_ERR_RESET; | |
353 | } | |
b6396403 | 354 | |
081cc197 SG |
355 | int bootm_decomp_image(int comp, ulong load, ulong image_start, int type, |
356 | void *load_buf, void *image_buf, ulong image_len, | |
357 | uint unc_len, ulong *load_end) | |
b6396403 | 358 | { |
3086c055 SG |
359 | int ret = 0; |
360 | ||
2b164f1c | 361 | *load_end = load; |
8fd6a4b5 | 362 | print_decomp_msg(comp, type, load == image_start); |
3086c055 SG |
363 | |
364 | /* | |
365 | * Load the image to the right place, decompressing if needed. After | |
366 | * this, image_len will be set to the number of uncompressed bytes | |
367 | * loaded, ret will be non-zero on error. | |
368 | */ | |
b6396403 SG |
369 | switch (comp) { |
370 | case IH_COMP_NONE: | |
3086c055 SG |
371 | if (load == image_start) |
372 | break; | |
373 | if (image_len <= unc_len) | |
b6396403 | 374 | memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); |
3086c055 SG |
375 | else |
376 | ret = 1; | |
b6396403 SG |
377 | break; |
378 | #ifdef CONFIG_GZIP | |
40e5975f | 379 | case IH_COMP_GZIP: { |
40e5975f | 380 | ret = gunzip(load_buf, unc_len, image_buf, &image_len); |
b6396403 | 381 | break; |
40e5975f | 382 | } |
b6396403 SG |
383 | #endif /* CONFIG_GZIP */ |
384 | #ifdef CONFIG_BZIP2 | |
40e5975f | 385 | case IH_COMP_BZIP2: { |
3086c055 | 386 | uint size = unc_len; |
40e5975f | 387 | |
b6396403 SG |
388 | /* |
389 | * If we've got less than 4 MB of malloc() space, | |
390 | * use slower decompression algorithm which requires | |
391 | * at most 2300 KB of memory. | |
392 | */ | |
3086c055 | 393 | ret = BZ2_bzBuffToBuffDecompress(load_buf, &size, |
b6396403 SG |
394 | image_buf, image_len, |
395 | CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); | |
3086c055 | 396 | image_len = size; |
b6396403 | 397 | break; |
40e5975f | 398 | } |
b6396403 SG |
399 | #endif /* CONFIG_BZIP2 */ |
400 | #ifdef CONFIG_LZMA | |
401 | case IH_COMP_LZMA: { | |
402 | SizeT lzma_len = unc_len; | |
2b164f1c | 403 | |
b6396403 SG |
404 | ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
405 | image_buf, image_len); | |
3086c055 | 406 | image_len = lzma_len; |
b6396403 SG |
407 | break; |
408 | } | |
409 | #endif /* CONFIG_LZMA */ | |
410 | #ifdef CONFIG_LZO | |
411 | case IH_COMP_LZO: { | |
412 | size_t size = unc_len; | |
413 | ||
b6396403 | 414 | ret = lzop_decompress(image_buf, image_len, load_buf, &size); |
3086c055 | 415 | image_len = size; |
b6396403 SG |
416 | break; |
417 | } | |
418 | #endif /* CONFIG_LZO */ | |
027b728d JW |
419 | #ifdef CONFIG_LZ4 |
420 | case IH_COMP_LZ4: { | |
421 | size_t size = unc_len; | |
422 | ||
423 | ret = ulz4fn(image_buf, image_len, load_buf, &size); | |
424 | image_len = size; | |
425 | break; | |
426 | } | |
427 | #endif /* CONFIG_LZ4 */ | |
b6396403 SG |
428 | default: |
429 | printf("Unimplemented compression type %d\n", comp); | |
430 | return BOOTM_ERR_UNIMPLEMENTED; | |
431 | } | |
432 | ||
3086c055 SG |
433 | if (ret) |
434 | return handle_decomp_error(comp, image_len, unc_len, ret); | |
435 | *load_end = load + image_len; | |
436 | ||
2b164f1c SG |
437 | puts("OK\n"); |
438 | ||
439 | return 0; | |
440 | } | |
441 | ||
ce1400f6 | 442 | #ifndef USE_HOSTCC |
cc955358 | 443 | static int bootm_load_os(bootm_headers_t *images, int boot_progress) |
2b164f1c SG |
444 | { |
445 | image_info_t os = images->os; | |
446 | ulong load = os.load; | |
cc955358 | 447 | ulong load_end; |
2b164f1c SG |
448 | ulong blob_start = os.start; |
449 | ulong blob_end = os.end; | |
450 | ulong image_start = os.image_start; | |
451 | ulong image_len = os.image_len; | |
bbac9222 | 452 | ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN); |
cc955358 | 453 | ulong flush_len; |
2b164f1c SG |
454 | bool no_overlap; |
455 | void *load_buf, *image_buf; | |
456 | int err; | |
457 | ||
458 | load_buf = map_sysmem(load, 0); | |
459 | image_buf = map_sysmem(os.image_start, image_len); | |
081cc197 SG |
460 | err = bootm_decomp_image(os.comp, load, os.image_start, os.type, |
461 | load_buf, image_buf, image_len, | |
cc955358 | 462 | CONFIG_SYS_BOOTM_LEN, &load_end); |
2b164f1c SG |
463 | if (err) { |
464 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); | |
465 | return err; | |
466 | } | |
bbac9222 | 467 | |
cc955358 | 468 | flush_len = load_end - load; |
bbac9222 BD |
469 | if (flush_start < load) |
470 | flush_len += load - flush_start; | |
471 | ||
472 | flush_cache(flush_start, ALIGN(flush_len, ARCH_DMA_MINALIGN)); | |
b6396403 | 473 | |
cc955358 | 474 | debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end); |
b6396403 SG |
475 | bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); |
476 | ||
2b164f1c SG |
477 | no_overlap = (os.comp == IH_COMP_NONE && load == image_start); |
478 | ||
cc955358 | 479 | if (!no_overlap && load < blob_end && load_end > blob_start) { |
b6396403 SG |
480 | debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", |
481 | blob_start, blob_end); | |
482 | debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, | |
cc955358 | 483 | load_end); |
b6396403 SG |
484 | |
485 | /* Check what type of image this is. */ | |
486 | if (images->legacy_hdr_valid) { | |
487 | if (image_get_type(&images->legacy_hdr_os_copy) | |
488 | == IH_TYPE_MULTI) | |
489 | puts("WARNING: legacy format multi component image overwritten\n"); | |
490 | return BOOTM_ERR_OVERLAP; | |
491 | } else { | |
492 | puts("ERROR: new format image overwritten - must RESET the board to recover\n"); | |
493 | bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); | |
494 | return BOOTM_ERR_RESET; | |
495 | } | |
496 | } | |
497 | ||
cc955358 TR |
498 | lmb_reserve(&images->lmb, images->os.load, (load_end - |
499 | images->os.load)); | |
b6396403 SG |
500 | return 0; |
501 | } | |
502 | ||
503 | /** | |
504 | * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot | |
505 | * | |
506 | * @return interrupt flag (0 if interrupts were disabled, non-zero if they were | |
507 | * enabled) | |
508 | */ | |
509 | ulong bootm_disable_interrupts(void) | |
510 | { | |
511 | ulong iflag; | |
512 | ||
513 | /* | |
514 | * We have reached the point of no return: we are going to | |
515 | * overwrite all exception vector code, so we cannot easily | |
516 | * recover from any failures any more... | |
517 | */ | |
518 | iflag = disable_interrupts(); | |
519 | #ifdef CONFIG_NETCONSOLE | |
520 | /* Stop the ethernet stack if NetConsole could have left it up */ | |
521 | eth_halt(); | |
4917c061 | 522 | # ifndef CONFIG_DM_ETH |
b6396403 | 523 | eth_unregister(eth_get_dev()); |
4917c061 | 524 | # endif |
b6396403 SG |
525 | #endif |
526 | ||
527 | #if defined(CONFIG_CMD_USB) | |
528 | /* | |
529 | * turn off USB to prevent the host controller from writing to the | |
530 | * SDRAM while Linux is booting. This could happen (at least for OHCI | |
531 | * controller), because the HCCA (Host Controller Communication Area) | |
532 | * lies within the SDRAM and the host controller writes continously to | |
533 | * this area (as busmaster!). The HccaFrameNumber is for example | |
534 | * updated every 1 ms within the HCCA structure in SDRAM! For more | |
535 | * details see the OpenHCI specification. | |
536 | */ | |
537 | usb_stop(); | |
538 | #endif | |
539 | return iflag; | |
540 | } | |
541 | ||
542 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
543 | ||
544 | #define CONSOLE_ARG "console=" | |
545 | #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) | |
546 | ||
547 | static void fixup_silent_linux(void) | |
548 | { | |
549 | char *buf; | |
550 | const char *env_val; | |
00caae6d | 551 | char *cmdline = env_get("bootargs"); |
b6396403 SG |
552 | int want_silent; |
553 | ||
554 | /* | |
555 | * Only fix cmdline when requested. The environment variable can be: | |
556 | * | |
557 | * no - we never fixup | |
558 | * yes - we always fixup | |
559 | * unset - we rely on the console silent flag | |
560 | */ | |
bfebc8c9 | 561 | want_silent = env_get_yesno("silent_linux"); |
b6396403 SG |
562 | if (want_silent == 0) |
563 | return; | |
564 | else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) | |
565 | return; | |
566 | ||
567 | debug("before silent fix-up: %s\n", cmdline); | |
568 | if (cmdline && (cmdline[0] != '\0')) { | |
569 | char *start = strstr(cmdline, CONSOLE_ARG); | |
570 | ||
571 | /* Allocate space for maximum possible new command line */ | |
572 | buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); | |
573 | if (!buf) { | |
574 | debug("%s: out of memory\n", __func__); | |
575 | return; | |
576 | } | |
577 | ||
578 | if (start) { | |
579 | char *end = strchr(start, ' '); | |
580 | int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; | |
581 | ||
582 | strncpy(buf, cmdline, num_start_bytes); | |
583 | if (end) | |
584 | strcpy(buf + num_start_bytes, end); | |
585 | else | |
586 | buf[num_start_bytes] = '\0'; | |
587 | } else { | |
588 | sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); | |
589 | } | |
590 | env_val = buf; | |
591 | } else { | |
592 | buf = NULL; | |
593 | env_val = CONSOLE_ARG; | |
594 | } | |
595 | ||
382bee57 | 596 | env_set("bootargs", env_val); |
b6396403 SG |
597 | debug("after silent fix-up: %s\n", env_val); |
598 | free(buf); | |
599 | } | |
600 | #endif /* CONFIG_SILENT_CONSOLE */ | |
601 | ||
602 | /** | |
603 | * Execute selected states of the bootm command. | |
604 | * | |
605 | * Note the arguments to this state must be the first argument, Any 'bootm' | |
606 | * or sub-command arguments must have already been taken. | |
607 | * | |
608 | * Note that if states contains more than one flag it MUST contain | |
609 | * BOOTM_STATE_START, since this handles and consumes the command line args. | |
610 | * | |
611 | * Also note that aside from boot_os_fn functions and bootm_load_os no other | |
612 | * functions we store the return value of in 'ret' may use a negative return | |
613 | * value, without special handling. | |
614 | * | |
615 | * @param cmdtp Pointer to bootm command table entry | |
616 | * @param flag Command flags (CMD_FLAG_...) | |
617 | * @param argc Number of subcommand arguments (0 = no arguments) | |
618 | * @param argv Arguments | |
619 | * @param states Mask containing states to run (BOOTM_STATE_...) | |
620 | * @param images Image header information | |
621 | * @param boot_progress 1 to show boot progress, 0 to not do this | |
622 | * @return 0 if ok, something else on error. Some errors will cause this | |
623 | * function to perform a reboot! If states contains BOOTM_STATE_OS_GO | |
624 | * then the intent is to boot an OS, so this function will not return | |
625 | * unless the image type is standalone. | |
626 | */ | |
627 | int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], | |
628 | int states, bootm_headers_t *images, int boot_progress) | |
629 | { | |
630 | boot_os_fn *boot_fn; | |
631 | ulong iflag = 0; | |
632 | int ret = 0, need_boot_fn; | |
633 | ||
634 | images->state |= states; | |
635 | ||
636 | /* | |
637 | * Work through the states and see how far we get. We stop on | |
638 | * any error. | |
639 | */ | |
640 | if (states & BOOTM_STATE_START) | |
641 | ret = bootm_start(cmdtp, flag, argc, argv); | |
642 | ||
643 | if (!ret && (states & BOOTM_STATE_FINDOS)) | |
644 | ret = bootm_find_os(cmdtp, flag, argc, argv); | |
645 | ||
ba079840 | 646 | if (!ret && (states & BOOTM_STATE_FINDOTHER)) |
b6396403 | 647 | ret = bootm_find_other(cmdtp, flag, argc, argv); |
b6396403 SG |
648 | |
649 | /* Load the OS */ | |
650 | if (!ret && (states & BOOTM_STATE_LOADOS)) { | |
b6396403 | 651 | iflag = bootm_disable_interrupts(); |
cc955358 TR |
652 | ret = bootm_load_os(images, 0); |
653 | if (ret && ret != BOOTM_ERR_OVERLAP) | |
b6396403 SG |
654 | goto err; |
655 | else if (ret == BOOTM_ERR_OVERLAP) | |
656 | ret = 0; | |
b6396403 SG |
657 | } |
658 | ||
659 | /* Relocate the ramdisk */ | |
660 | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH | |
661 | if (!ret && (states & BOOTM_STATE_RAMDISK)) { | |
662 | ulong rd_len = images->rd_end - images->rd_start; | |
663 | ||
664 | ret = boot_ramdisk_high(&images->lmb, images->rd_start, | |
665 | rd_len, &images->initrd_start, &images->initrd_end); | |
666 | if (!ret) { | |
018f5303 SG |
667 | env_set_hex("initrd_start", images->initrd_start); |
668 | env_set_hex("initrd_end", images->initrd_end); | |
b6396403 SG |
669 | } |
670 | } | |
671 | #endif | |
aa34fbc0 | 672 | #if IMAGE_ENABLE_OF_LIBFDT && defined(CONFIG_LMB) |
b6396403 SG |
673 | if (!ret && (states & BOOTM_STATE_FDT)) { |
674 | boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); | |
675 | ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, | |
676 | &images->ft_len); | |
677 | } | |
678 | #endif | |
679 | ||
680 | /* From now on, we need the OS boot function */ | |
681 | if (ret) | |
682 | return ret; | |
683 | boot_fn = bootm_os_get_boot_func(images->os.os); | |
684 | need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | | |
685 | BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | | |
686 | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); | |
687 | if (boot_fn == NULL && need_boot_fn) { | |
688 | if (iflag) | |
689 | enable_interrupts(); | |
690 | printf("ERROR: booting os '%s' (%d) is not supported\n", | |
691 | genimg_get_os_name(images->os.os), images->os.os); | |
692 | bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); | |
693 | return 1; | |
694 | } | |
695 | ||
19e8649e | 696 | |
b6396403 SG |
697 | /* Call various other states that are not generally used */ |
698 | if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) | |
699 | ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); | |
700 | if (!ret && (states & BOOTM_STATE_OS_BD_T)) | |
701 | ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); | |
19e8649e HP |
702 | if (!ret && (states & BOOTM_STATE_OS_PREP)) { |
703 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) | |
704 | if (images->os.os == IH_OS_LINUX) | |
705 | fixup_silent_linux(); | |
706 | #endif | |
b6396403 | 707 | ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); |
19e8649e | 708 | } |
b6396403 SG |
709 | |
710 | #ifdef CONFIG_TRACE | |
711 | /* Pretend to run the OS, then run a user command */ | |
712 | if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { | |
00caae6d | 713 | char *cmd_list = env_get("fakegocmd"); |
b6396403 SG |
714 | |
715 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, | |
716 | images, boot_fn); | |
717 | if (!ret && cmd_list) | |
718 | ret = run_command_list(cmd_list, -1, flag); | |
719 | } | |
720 | #endif | |
721 | ||
722 | /* Check for unsupported subcommand. */ | |
723 | if (ret) { | |
724 | puts("subcommand not supported\n"); | |
725 | return ret; | |
726 | } | |
727 | ||
728 | /* Now run the OS! We hope this doesn't return */ | |
729 | if (!ret && (states & BOOTM_STATE_OS_GO)) | |
730 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, | |
731 | images, boot_fn); | |
732 | ||
733 | /* Deal with any fallout */ | |
734 | err: | |
735 | if (iflag) | |
736 | enable_interrupts(); | |
737 | ||
738 | if (ret == BOOTM_ERR_UNIMPLEMENTED) | |
739 | bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); | |
740 | else if (ret == BOOTM_ERR_RESET) | |
741 | do_reset(cmdtp, flag, argc, argv); | |
742 | ||
743 | return ret; | |
744 | } | |
745 | ||
746 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
747 | /** | |
748 | * image_get_kernel - verify legacy format kernel image | |
749 | * @img_addr: in RAM address of the legacy format image to be verified | |
750 | * @verify: data CRC verification flag | |
751 | * | |
752 | * image_get_kernel() verifies legacy image integrity and returns pointer to | |
753 | * legacy image header if image verification was completed successfully. | |
754 | * | |
755 | * returns: | |
756 | * pointer to a legacy image header if valid image was found | |
757 | * otherwise return NULL | |
758 | */ | |
759 | static image_header_t *image_get_kernel(ulong img_addr, int verify) | |
760 | { | |
761 | image_header_t *hdr = (image_header_t *)img_addr; | |
762 | ||
763 | if (!image_check_magic(hdr)) { | |
764 | puts("Bad Magic Number\n"); | |
765 | bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); | |
766 | return NULL; | |
767 | } | |
768 | bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); | |
769 | ||
770 | if (!image_check_hcrc(hdr)) { | |
771 | puts("Bad Header Checksum\n"); | |
772 | bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); | |
773 | return NULL; | |
774 | } | |
775 | ||
776 | bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
777 | image_print_contents(hdr); | |
778 | ||
779 | if (verify) { | |
780 | puts(" Verifying Checksum ... "); | |
781 | if (!image_check_dcrc(hdr)) { | |
782 | printf("Bad Data CRC\n"); | |
783 | bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); | |
784 | return NULL; | |
785 | } | |
786 | puts("OK\n"); | |
787 | } | |
788 | bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); | |
789 | ||
790 | if (!image_check_target_arch(hdr)) { | |
791 | printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); | |
792 | bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); | |
793 | return NULL; | |
794 | } | |
795 | return hdr; | |
796 | } | |
797 | #endif | |
798 | ||
799 | /** | |
800 | * boot_get_kernel - find kernel image | |
801 | * @os_data: pointer to a ulong variable, will hold os data start address | |
802 | * @os_len: pointer to a ulong variable, will hold os data length | |
803 | * | |
804 | * boot_get_kernel() tries to find a kernel image, verifies its integrity | |
805 | * and locates kernel data. | |
806 | * | |
807 | * returns: | |
808 | * pointer to image header if valid image was found, plus kernel start | |
809 | * address and length, otherwise NULL | |
810 | */ | |
811 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, | |
812 | char * const argv[], bootm_headers_t *images, | |
813 | ulong *os_data, ulong *os_len) | |
814 | { | |
815 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
816 | image_header_t *hdr; | |
817 | #endif | |
818 | ulong img_addr; | |
819 | const void *buf; | |
b6396403 SG |
820 | const char *fit_uname_config = NULL; |
821 | const char *fit_uname_kernel = NULL; | |
73223f0e | 822 | #if IMAGE_ENABLE_FIT |
b6396403 SG |
823 | int os_noffset; |
824 | #endif | |
825 | ||
e6c88a6b BW |
826 | img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0], |
827 | &fit_uname_config, | |
828 | &fit_uname_kernel); | |
b6396403 SG |
829 | |
830 | bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); | |
831 | ||
b6396403 SG |
832 | /* check image type, for FIT images get FIT kernel node */ |
833 | *os_data = *os_len = 0; | |
834 | buf = map_sysmem(img_addr, 0); | |
835 | switch (genimg_get_format(buf)) { | |
836 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) | |
837 | case IMAGE_FORMAT_LEGACY: | |
838 | printf("## Booting kernel from Legacy Image at %08lx ...\n", | |
839 | img_addr); | |
840 | hdr = image_get_kernel(img_addr, images->verify); | |
841 | if (!hdr) | |
842 | return NULL; | |
843 | bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
844 | ||
845 | /* get os_data and os_len */ | |
846 | switch (image_get_type(hdr)) { | |
847 | case IH_TYPE_KERNEL: | |
848 | case IH_TYPE_KERNEL_NOLOAD: | |
849 | *os_data = image_get_data(hdr); | |
850 | *os_len = image_get_data_size(hdr); | |
851 | break; | |
852 | case IH_TYPE_MULTI: | |
853 | image_multi_getimg(hdr, 0, os_data, os_len); | |
854 | break; | |
855 | case IH_TYPE_STANDALONE: | |
856 | *os_data = image_get_data(hdr); | |
857 | *os_len = image_get_data_size(hdr); | |
858 | break; | |
859 | default: | |
860 | printf("Wrong Image Type for %s command\n", | |
861 | cmdtp->name); | |
862 | bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); | |
863 | return NULL; | |
864 | } | |
865 | ||
866 | /* | |
867 | * copy image header to allow for image overwrites during | |
868 | * kernel decompression. | |
869 | */ | |
870 | memmove(&images->legacy_hdr_os_copy, hdr, | |
871 | sizeof(image_header_t)); | |
872 | ||
873 | /* save pointer to image header */ | |
874 | images->legacy_hdr_os = hdr; | |
875 | ||
876 | images->legacy_hdr_valid = 1; | |
877 | bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); | |
878 | break; | |
879 | #endif | |
73223f0e | 880 | #if IMAGE_ENABLE_FIT |
b6396403 | 881 | case IMAGE_FORMAT_FIT: |
126cc864 | 882 | os_noffset = fit_image_load(images, img_addr, |
b6396403 SG |
883 | &fit_uname_kernel, &fit_uname_config, |
884 | IH_ARCH_DEFAULT, IH_TYPE_KERNEL, | |
885 | BOOTSTAGE_ID_FIT_KERNEL_START, | |
886 | FIT_LOAD_IGNORED, os_data, os_len); | |
887 | if (os_noffset < 0) | |
888 | return NULL; | |
889 | ||
890 | images->fit_hdr_os = map_sysmem(img_addr, 0); | |
891 | images->fit_uname_os = fit_uname_kernel; | |
892 | images->fit_uname_cfg = fit_uname_config; | |
893 | images->fit_noffset_os = os_noffset; | |
894 | break; | |
895 | #endif | |
896 | #ifdef CONFIG_ANDROID_BOOT_IMAGE | |
897 | case IMAGE_FORMAT_ANDROID: | |
898 | printf("## Booting Android Image at 0x%08lx ...\n", img_addr); | |
07c0cd71 | 899 | if (android_image_get_kernel(buf, images->verify, |
b6396403 SG |
900 | os_data, os_len)) |
901 | return NULL; | |
902 | break; | |
903 | #endif | |
904 | default: | |
905 | printf("Wrong Image Format for %s command\n", cmdtp->name); | |
906 | bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); | |
907 | return NULL; | |
908 | } | |
909 | ||
910 | debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", | |
911 | *os_data, *os_len, *os_len); | |
912 | ||
913 | return buf; | |
914 | } | |
f6c6df7e HS |
915 | |
916 | /** | |
917 | * switch_to_non_secure_mode() - switch to non-secure mode | |
918 | * | |
919 | * This routine is overridden by architectures requiring this feature. | |
920 | */ | |
921 | void __weak switch_to_non_secure_mode(void) | |
922 | { | |
923 | } | |
924 | ||
ce1400f6 SG |
925 | #else /* USE_HOSTCC */ |
926 | ||
927 | void memmove_wd(void *to, void *from, size_t len, ulong chunksz) | |
928 | { | |
929 | memmove(to, from, len); | |
930 | } | |
931 | ||
932 | static int bootm_host_load_image(const void *fit, int req_image_type) | |
933 | { | |
934 | const char *fit_uname_config = NULL; | |
935 | ulong data, len; | |
936 | bootm_headers_t images; | |
937 | int noffset; | |
938 | ulong load_end; | |
939 | uint8_t image_type; | |
940 | uint8_t imape_comp; | |
941 | void *load_buf; | |
942 | int ret; | |
943 | ||
944 | memset(&images, '\0', sizeof(images)); | |
945 | images.verify = 1; | |
946 | noffset = fit_image_load(&images, (ulong)fit, | |
947 | NULL, &fit_uname_config, | |
948 | IH_ARCH_DEFAULT, req_image_type, -1, | |
949 | FIT_LOAD_IGNORED, &data, &len); | |
950 | if (noffset < 0) | |
951 | return noffset; | |
952 | if (fit_image_get_type(fit, noffset, &image_type)) { | |
953 | puts("Can't get image type!\n"); | |
954 | return -EINVAL; | |
955 | } | |
956 | ||
957 | if (fit_image_get_comp(fit, noffset, &imape_comp)) { | |
958 | puts("Can't get image compression!\n"); | |
959 | return -EINVAL; | |
960 | } | |
961 | ||
962 | /* Allow the image to expand by a factor of 4, should be safe */ | |
963 | load_buf = malloc((1 << 20) + len * 4); | |
081cc197 SG |
964 | ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf, |
965 | (void *)data, len, CONFIG_SYS_BOOTM_LEN, | |
966 | &load_end); | |
ce1400f6 | 967 | free(load_buf); |
081cc197 | 968 | |
ce1400f6 SG |
969 | if (ret && ret != BOOTM_ERR_UNIMPLEMENTED) |
970 | return ret; | |
971 | ||
972 | return 0; | |
973 | } | |
974 | ||
975 | int bootm_host_load_images(const void *fit, int cfg_noffset) | |
976 | { | |
977 | static uint8_t image_types[] = { | |
978 | IH_TYPE_KERNEL, | |
979 | IH_TYPE_FLATDT, | |
980 | IH_TYPE_RAMDISK, | |
981 | }; | |
982 | int err = 0; | |
983 | int i; | |
984 | ||
985 | for (i = 0; i < ARRAY_SIZE(image_types); i++) { | |
986 | int ret; | |
987 | ||
988 | ret = bootm_host_load_image(fit, image_types[i]); | |
989 | if (!err && ret && ret != -ENOENT) | |
990 | err = ret; | |
991 | } | |
992 | ||
993 | /* Return the first error we found */ | |
994 | return err; | |
995 | } | |
ea51a628 SG |
996 | |
997 | #endif /* ndef USE_HOSTCC */ |