blob: 32b3ea8e2d093a203ae67f73ee03a207ba39f212 [file] [log] [blame]
Simon Glassb6396402014-06-12 07:24:46 -06001/*
2 * (C) Copyright 2000-2009
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
Simon Glassea51a622014-06-12 07:24:51 -06008#ifndef USE_HOSTCC
Simon Glassb6396402014-06-12 07:24:46 -06009#include <common.h>
Simon Glassea51a622014-06-12 07:24:51 -060010#include <bootstage.h>
Simon Glassb6396402014-06-12 07:24:46 -060011#include <bzlib.h>
Simon Glass90268b82014-10-19 21:11:24 -060012#include <errno.h>
Simon Glassb6396402014-06-12 07:24:46 -060013#include <fdt_support.h>
14#include <lmb.h>
15#include <malloc.h>
Joe Hershberger0eb25b62015-03-22 17:08:59 -050016#include <mapmem.h>
Simon Glassb6396402014-06-12 07:24:46 -060017#include <asm/io.h>
18#include <linux/lzo.h>
19#include <lzma/LzmaTypes.h>
20#include <lzma/LzmaDec.h>
21#include <lzma/LzmaTools.h>
Simon Glassb6396402014-06-12 07:24:46 -060022#if defined(CONFIG_CMD_USB)
23#include <usb.h>
24#endif
Simon Glassea51a622014-06-12 07:24:51 -060025#else
26#include "mkimage.h"
27#endif
Simon Glassb6396402014-06-12 07:24:46 -060028
Simon Glassea51a622014-06-12 07:24:51 -060029#include <command.h>
30#include <bootm.h>
31#include <image.h>
Simon Glassb6396402014-06-12 07:24:46 -060032
33#ifndef CONFIG_SYS_BOOTM_LEN
34/* use 8MByte as default max gunzip size */
35#define CONFIG_SYS_BOOTM_LEN 0x800000
36#endif
37
38#define IH_INITRD_ARCH IH_ARCH_DEFAULT
39
Simon Glassea51a622014-06-12 07:24:51 -060040#ifndef USE_HOSTCC
41
42DECLARE_GLOBAL_DATA_PTR;
43
Tom Rini5db28902016-08-12 08:31:15 -040044bootm_headers_t images; /* pointers to os/initrd/fdt images */
45
Simon Glassb6396402014-06-12 07:24:46 -060046static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
47 char * const argv[], bootm_headers_t *images,
48 ulong *os_data, ulong *os_len);
49
50#ifdef CONFIG_LMB
51static void boot_start_lmb(bootm_headers_t *images)
52{
53 ulong mem_start;
54 phys_size_t mem_size;
55
56 lmb_init(&images->lmb);
57
Simon Glass723806c2017-08-03 12:22:15 -060058 mem_start = env_get_bootm_low();
59 mem_size = env_get_bootm_size();
Simon Glassb6396402014-06-12 07:24:46 -060060
61 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
62
63 arch_lmb_reserve(&images->lmb);
64 board_lmb_reserve(&images->lmb);
65}
66#else
67#define lmb_reserve(lmb, base, size)
68static inline void boot_start_lmb(bootm_headers_t *images) { }
69#endif
70
71static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc,
72 char * const argv[])
73{
74 memset((void *)&images, 0, sizeof(images));
Simon Glassbfebc8c2017-08-03 12:22:13 -060075 images.verify = env_get_yesno("verify");
Simon Glassb6396402014-06-12 07:24:46 -060076
77 boot_start_lmb(&images);
78
79 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
80 images.state = BOOTM_STATE_START;
81
82 return 0;
83}
84
85static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
86 char * const argv[])
87{
88 const void *os_hdr;
89 bool ep_found = false;
Simon Glass90268b82014-10-19 21:11:24 -060090 int ret;
Simon Glassb6396402014-06-12 07:24:46 -060091
92 /* get kernel image header, start address and length */
93 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
94 &images, &images.os.image_start, &images.os.image_len);
95 if (images.os.image_len == 0) {
96 puts("ERROR: can't get kernel image!\n");
97 return 1;
98 }
99
100 /* get image parameters */
101 switch (genimg_get_format(os_hdr)) {
102#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
103 case IMAGE_FORMAT_LEGACY:
104 images.os.type = image_get_type(os_hdr);
105 images.os.comp = image_get_comp(os_hdr);
106 images.os.os = image_get_os(os_hdr);
107
108 images.os.end = image_get_image_end(os_hdr);
109 images.os.load = image_get_load(os_hdr);
Simon Glass90268b82014-10-19 21:11:24 -0600110 images.os.arch = image_get_arch(os_hdr);
Simon Glassb6396402014-06-12 07:24:46 -0600111 break;
112#endif
Simon Glass73223f02016-02-22 22:55:43 -0700113#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600114 case IMAGE_FORMAT_FIT:
115 if (fit_image_get_type(images.fit_hdr_os,
116 images.fit_noffset_os,
117 &images.os.type)) {
118 puts("Can't get image type!\n");
119 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
120 return 1;
121 }
122
123 if (fit_image_get_comp(images.fit_hdr_os,
124 images.fit_noffset_os,
125 &images.os.comp)) {
126 puts("Can't get image compression!\n");
127 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
128 return 1;
129 }
130
131 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
132 &images.os.os)) {
133 puts("Can't get image OS!\n");
134 bootstage_error(BOOTSTAGE_ID_FIT_OS);
135 return 1;
136 }
137
Simon Glass90268b82014-10-19 21:11:24 -0600138 if (fit_image_get_arch(images.fit_hdr_os,
139 images.fit_noffset_os,
140 &images.os.arch)) {
141 puts("Can't get image ARCH!\n");
142 return 1;
143 }
144
Simon Glassb6396402014-06-12 07:24:46 -0600145 images.os.end = fit_get_end(images.fit_hdr_os);
146
147 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
148 &images.os.load)) {
149 puts("Can't get image load address!\n");
150 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
151 return 1;
152 }
153 break;
154#endif
155#ifdef CONFIG_ANDROID_BOOT_IMAGE
156 case IMAGE_FORMAT_ANDROID:
157 images.os.type = IH_TYPE_KERNEL;
158 images.os.comp = IH_COMP_NONE;
159 images.os.os = IH_OS_LINUX;
Simon Glassb6396402014-06-12 07:24:46 -0600160
161 images.os.end = android_image_get_end(os_hdr);
162 images.os.load = android_image_get_kload(os_hdr);
Ahmad Draidi86f46952014-10-23 20:50:07 +0300163 images.ep = images.os.load;
164 ep_found = true;
Simon Glassb6396402014-06-12 07:24:46 -0600165 break;
166#endif
167 default:
168 puts("ERROR: unknown image format type!\n");
169 return 1;
170 }
171
Simon Glass90268b82014-10-19 21:11:24 -0600172 /* If we have a valid setup.bin, we will use that for entry (x86) */
Simon Glass5bda35c2014-10-10 08:21:57 -0600173 if (images.os.arch == IH_ARCH_I386 ||
174 images.os.arch == IH_ARCH_X86_64) {
Simon Glass90268b82014-10-19 21:11:24 -0600175 ulong len;
176
177 ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
178 if (ret < 0 && ret != -ENOENT) {
179 puts("Could not find a valid setup.bin for x86\n");
180 return 1;
181 }
182 /* Kernel entry point is the setup.bin */
183 } else if (images.legacy_hdr_valid) {
Simon Glassb6396402014-06-12 07:24:46 -0600184 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
Simon Glass73223f02016-02-22 22:55:43 -0700185#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600186 } else if (images.fit_uname_os) {
187 int ret;
188
189 ret = fit_image_get_entry(images.fit_hdr_os,
190 images.fit_noffset_os, &images.ep);
191 if (ret) {
192 puts("Can't get entry point property!\n");
193 return 1;
194 }
195#endif
196 } else if (!ep_found) {
197 puts("Could not find kernel entry point!\n");
198 return 1;
199 }
200
201 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
202 images.os.load = images.os.image_start;
203 images.ep += images.os.load;
204 }
205
Simon Glass7a80de42016-02-24 09:14:42 -0700206 images.os.start = map_to_sysmem(os_hdr);
Simon Glassb6396402014-06-12 07:24:46 -0600207
208 return 0;
209}
210
Karl Apsited52e8572015-05-21 09:52:49 -0400211/**
212 * bootm_find_images - wrapper to find and locate various images
213 * @flag: Ignored Argument
214 * @argc: command argument count
215 * @argv: command argument list
216 *
217 * boot_find_images() will attempt to load an available ramdisk,
218 * flattened device tree, as well as specifically marked
219 * "loadable" images (loadables are FIT only)
220 *
221 * Note: bootm_find_images will skip an image if it is not found
222 *
223 * @return:
224 * 0, if all existing images were loaded correctly
225 * 1, if an image is found but corrupted, or invalid
226 */
227int bootm_find_images(int flag, int argc, char * const argv[])
Simon Glassb6396402014-06-12 07:24:46 -0600228{
229 int ret;
230
231 /* find ramdisk */
232 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
233 &images.rd_start, &images.rd_end);
234 if (ret) {
235 puts("Ramdisk image is corrupt or invalid\n");
236 return 1;
237 }
238
Simon Glassaa34fbc2016-02-22 22:55:45 -0700239#if IMAGE_ENABLE_OF_LIBFDT
Simon Glassb6396402014-06-12 07:24:46 -0600240 /* find flattened device tree */
241 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
242 &images.ft_addr, &images.ft_len);
243 if (ret) {
244 puts("Could not find a valid device tree\n");
245 return 1;
246 }
Joe Hershberger90fbee32015-02-04 21:56:53 -0600247 set_working_fdt_addr((ulong)images.ft_addr);
Simon Glassb6396402014-06-12 07:24:46 -0600248#endif
249
Simon Glass73223f02016-02-22 22:55:43 -0700250#if IMAGE_ENABLE_FIT
Michal Simek62afc602016-05-17 14:03:50 +0200251#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_XILINX)
252 /* find bitstreams */
253 ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
254 NULL, NULL);
255 if (ret) {
256 printf("FPGA image is corrupted or invalid\n");
257 return 1;
258 }
259#endif
260
Karl Apsite84a07db2015-05-21 09:52:48 -0400261 /* find all of the loadables */
262 ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
263 NULL, NULL);
264 if (ret) {
265 printf("Loadable(s) is corrupt or invalid\n");
266 return 1;
267 }
Karl Apsite84a07db2015-05-21 09:52:48 -0400268#endif
269
Simon Glassb6396402014-06-12 07:24:46 -0600270 return 0;
271}
272
273static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
274 char * const argv[])
275{
276 if (((images.os.type == IH_TYPE_KERNEL) ||
277 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
278 (images.os.type == IH_TYPE_MULTI)) &&
279 (images.os.os == IH_OS_LINUX ||
280 images.os.os == IH_OS_VXWORKS))
Karl Apsited52e8572015-05-21 09:52:49 -0400281 return bootm_find_images(flag, argc, argv);
Simon Glassb6396402014-06-12 07:24:46 -0600282
283 return 0;
284}
Simon Glass40e59752014-12-02 13:17:30 -0700285#endif /* USE_HOSTC */
286
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700287/**
288 * print_decomp_msg() - Print a suitable decompression/loading message
289 *
290 * @type: OS type (IH_OS_...)
291 * @comp_type: Compression type being used (IH_COMP_...)
292 * @is_xip: true if the load address matches the image start
293 */
294static void print_decomp_msg(int comp_type, int type, bool is_xip)
Simon Glass40e59752014-12-02 13:17:30 -0700295{
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700296 const char *name = genimg_get_type_name(type);
297
298 if (comp_type == IH_COMP_NONE)
299 printf(" %s %s ... ", is_xip ? "XIP" : "Loading", name);
300 else
301 printf(" Uncompressing %s ... ", name);
Simon Glass40e59752014-12-02 13:17:30 -0700302}
303
Simon Glass3086c052014-12-02 13:17:37 -0700304/**
305 * handle_decomp_error() - display a decompression error
306 *
307 * This function tries to produce a useful message. In the case where the
308 * uncompressed size is the same as the available space, we can assume that
309 * the image is too large for the buffer.
310 *
311 * @comp_type: Compression type being used (IH_COMP_...)
312 * @uncomp_size: Number of bytes uncompressed
313 * @unc_len: Amount of space available for decompression
314 * @ret: Error code to report
315 * @return BOOTM_ERR_RESET, indicating that the board must be reset
316 */
317static int handle_decomp_error(int comp_type, size_t uncomp_size,
318 size_t unc_len, int ret)
Simon Glass40e59752014-12-02 13:17:30 -0700319{
Simon Glass3086c052014-12-02 13:17:37 -0700320 const char *name = genimg_get_comp_name(comp_type);
321
322 if (uncomp_size >= unc_len)
323 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
Simon Glass40e59752014-12-02 13:17:30 -0700324 else
Simon Glass3086c052014-12-02 13:17:37 -0700325 printf("%s: uncompress error %d\n", name, ret);
326
327 /*
328 * The decompression routines are now safe, so will not write beyond
329 * their bounds. Probably it is not necessary to reset, but maintain
330 * the current behaviour for now.
331 */
332 printf("Must RESET board to recover\n");
Simon Glass40e59752014-12-02 13:17:30 -0700333#ifndef USE_HOSTCC
334 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
335#endif
336
337 return BOOTM_ERR_RESET;
338}
Simon Glassb6396402014-06-12 07:24:46 -0600339
Simon Glass081cc192014-12-02 13:17:33 -0700340int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
341 void *load_buf, void *image_buf, ulong image_len,
342 uint unc_len, ulong *load_end)
Simon Glassb6396402014-06-12 07:24:46 -0600343{
Simon Glass3086c052014-12-02 13:17:37 -0700344 int ret = 0;
345
Simon Glass2b164f12014-06-12 07:24:52 -0600346 *load_end = load;
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700347 print_decomp_msg(comp, type, load == image_start);
Simon Glass3086c052014-12-02 13:17:37 -0700348
349 /*
350 * Load the image to the right place, decompressing if needed. After
351 * this, image_len will be set to the number of uncompressed bytes
352 * loaded, ret will be non-zero on error.
353 */
Simon Glassb6396402014-06-12 07:24:46 -0600354 switch (comp) {
355 case IH_COMP_NONE:
Simon Glass3086c052014-12-02 13:17:37 -0700356 if (load == image_start)
357 break;
358 if (image_len <= unc_len)
Simon Glassb6396402014-06-12 07:24:46 -0600359 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
Simon Glass3086c052014-12-02 13:17:37 -0700360 else
361 ret = 1;
Simon Glassb6396402014-06-12 07:24:46 -0600362 break;
363#ifdef CONFIG_GZIP
Simon Glass40e59752014-12-02 13:17:30 -0700364 case IH_COMP_GZIP: {
Simon Glass40e59752014-12-02 13:17:30 -0700365 ret = gunzip(load_buf, unc_len, image_buf, &image_len);
Simon Glassb6396402014-06-12 07:24:46 -0600366 break;
Simon Glass40e59752014-12-02 13:17:30 -0700367 }
Simon Glassb6396402014-06-12 07:24:46 -0600368#endif /* CONFIG_GZIP */
369#ifdef CONFIG_BZIP2
Simon Glass40e59752014-12-02 13:17:30 -0700370 case IH_COMP_BZIP2: {
Simon Glass3086c052014-12-02 13:17:37 -0700371 uint size = unc_len;
Simon Glass40e59752014-12-02 13:17:30 -0700372
Simon Glassb6396402014-06-12 07:24:46 -0600373 /*
374 * If we've got less than 4 MB of malloc() space,
375 * use slower decompression algorithm which requires
376 * at most 2300 KB of memory.
377 */
Simon Glass3086c052014-12-02 13:17:37 -0700378 ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
Simon Glassb6396402014-06-12 07:24:46 -0600379 image_buf, image_len,
380 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
Simon Glass3086c052014-12-02 13:17:37 -0700381 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600382 break;
Simon Glass40e59752014-12-02 13:17:30 -0700383 }
Simon Glassb6396402014-06-12 07:24:46 -0600384#endif /* CONFIG_BZIP2 */
385#ifdef CONFIG_LZMA
386 case IH_COMP_LZMA: {
387 SizeT lzma_len = unc_len;
Simon Glass2b164f12014-06-12 07:24:52 -0600388
Simon Glassb6396402014-06-12 07:24:46 -0600389 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
390 image_buf, image_len);
Simon Glass3086c052014-12-02 13:17:37 -0700391 image_len = lzma_len;
Simon Glassb6396402014-06-12 07:24:46 -0600392 break;
393 }
394#endif /* CONFIG_LZMA */
395#ifdef CONFIG_LZO
396 case IH_COMP_LZO: {
397 size_t size = unc_len;
398
Simon Glassb6396402014-06-12 07:24:46 -0600399 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
Simon Glass3086c052014-12-02 13:17:37 -0700400 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600401 break;
402 }
403#endif /* CONFIG_LZO */
Julius Werner027b7282015-10-06 20:03:53 -0700404#ifdef CONFIG_LZ4
405 case IH_COMP_LZ4: {
406 size_t size = unc_len;
407
408 ret = ulz4fn(image_buf, image_len, load_buf, &size);
409 image_len = size;
410 break;
411 }
412#endif /* CONFIG_LZ4 */
Simon Glassb6396402014-06-12 07:24:46 -0600413 default:
414 printf("Unimplemented compression type %d\n", comp);
415 return BOOTM_ERR_UNIMPLEMENTED;
416 }
417
Simon Glass3086c052014-12-02 13:17:37 -0700418 if (ret)
419 return handle_decomp_error(comp, image_len, unc_len, ret);
420 *load_end = load + image_len;
421
Simon Glass2b164f12014-06-12 07:24:52 -0600422 puts("OK\n");
423
424 return 0;
425}
426
Simon Glassce1400f2014-06-12 07:24:53 -0600427#ifndef USE_HOSTCC
Simon Glass2b164f12014-06-12 07:24:52 -0600428static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
429 int boot_progress)
430{
431 image_info_t os = images->os;
432 ulong load = os.load;
433 ulong blob_start = os.start;
434 ulong blob_end = os.end;
435 ulong image_start = os.image_start;
436 ulong image_len = os.image_len;
437 bool no_overlap;
438 void *load_buf, *image_buf;
439 int err;
440
441 load_buf = map_sysmem(load, 0);
442 image_buf = map_sysmem(os.image_start, image_len);
Simon Glass081cc192014-12-02 13:17:33 -0700443 err = bootm_decomp_image(os.comp, load, os.image_start, os.type,
444 load_buf, image_buf, image_len,
445 CONFIG_SYS_BOOTM_LEN, load_end);
Simon Glass2b164f12014-06-12 07:24:52 -0600446 if (err) {
447 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
448 return err;
449 }
Simon Glassb4d956f2016-05-05 07:28:07 -0600450 flush_cache(load, ALIGN(*load_end - load, ARCH_DMA_MINALIGN));
Simon Glassb6396402014-06-12 07:24:46 -0600451
Simon Glassb6396402014-06-12 07:24:46 -0600452 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
453 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
454
Simon Glass2b164f12014-06-12 07:24:52 -0600455 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
456
Simon Glassb6396402014-06-12 07:24:46 -0600457 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
458 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
459 blob_start, blob_end);
460 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
461 *load_end);
462
463 /* Check what type of image this is. */
464 if (images->legacy_hdr_valid) {
465 if (image_get_type(&images->legacy_hdr_os_copy)
466 == IH_TYPE_MULTI)
467 puts("WARNING: legacy format multi component image overwritten\n");
468 return BOOTM_ERR_OVERLAP;
469 } else {
470 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
471 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
472 return BOOTM_ERR_RESET;
473 }
474 }
475
476 return 0;
477}
478
479/**
480 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
481 *
482 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
483 * enabled)
484 */
485ulong bootm_disable_interrupts(void)
486{
487 ulong iflag;
488
489 /*
490 * We have reached the point of no return: we are going to
491 * overwrite all exception vector code, so we cannot easily
492 * recover from any failures any more...
493 */
494 iflag = disable_interrupts();
495#ifdef CONFIG_NETCONSOLE
496 /* Stop the ethernet stack if NetConsole could have left it up */
497 eth_halt();
Bernhard Nortmann4917c062015-09-14 15:29:45 +0200498# ifndef CONFIG_DM_ETH
Simon Glassb6396402014-06-12 07:24:46 -0600499 eth_unregister(eth_get_dev());
Bernhard Nortmann4917c062015-09-14 15:29:45 +0200500# endif
Simon Glassb6396402014-06-12 07:24:46 -0600501#endif
502
503#if defined(CONFIG_CMD_USB)
504 /*
505 * turn off USB to prevent the host controller from writing to the
506 * SDRAM while Linux is booting. This could happen (at least for OHCI
507 * controller), because the HCCA (Host Controller Communication Area)
508 * lies within the SDRAM and the host controller writes continously to
509 * this area (as busmaster!). The HccaFrameNumber is for example
510 * updated every 1 ms within the HCCA structure in SDRAM! For more
511 * details see the OpenHCI specification.
512 */
513 usb_stop();
514#endif
515 return iflag;
516}
517
518#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
519
520#define CONSOLE_ARG "console="
521#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
522
523static void fixup_silent_linux(void)
524{
525 char *buf;
526 const char *env_val;
Simon Glass00caae62017-08-03 12:22:12 -0600527 char *cmdline = env_get("bootargs");
Simon Glassb6396402014-06-12 07:24:46 -0600528 int want_silent;
529
530 /*
531 * Only fix cmdline when requested. The environment variable can be:
532 *
533 * no - we never fixup
534 * yes - we always fixup
535 * unset - we rely on the console silent flag
536 */
Simon Glassbfebc8c2017-08-03 12:22:13 -0600537 want_silent = env_get_yesno("silent_linux");
Simon Glassb6396402014-06-12 07:24:46 -0600538 if (want_silent == 0)
539 return;
540 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
541 return;
542
543 debug("before silent fix-up: %s\n", cmdline);
544 if (cmdline && (cmdline[0] != '\0')) {
545 char *start = strstr(cmdline, CONSOLE_ARG);
546
547 /* Allocate space for maximum possible new command line */
548 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
549 if (!buf) {
550 debug("%s: out of memory\n", __func__);
551 return;
552 }
553
554 if (start) {
555 char *end = strchr(start, ' ');
556 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
557
558 strncpy(buf, cmdline, num_start_bytes);
559 if (end)
560 strcpy(buf + num_start_bytes, end);
561 else
562 buf[num_start_bytes] = '\0';
563 } else {
564 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
565 }
566 env_val = buf;
567 } else {
568 buf = NULL;
569 env_val = CONSOLE_ARG;
570 }
571
Simon Glass382bee52017-08-03 12:22:09 -0600572 env_set("bootargs", env_val);
Simon Glassb6396402014-06-12 07:24:46 -0600573 debug("after silent fix-up: %s\n", env_val);
574 free(buf);
575}
576#endif /* CONFIG_SILENT_CONSOLE */
577
578/**
579 * Execute selected states of the bootm command.
580 *
581 * Note the arguments to this state must be the first argument, Any 'bootm'
582 * or sub-command arguments must have already been taken.
583 *
584 * Note that if states contains more than one flag it MUST contain
585 * BOOTM_STATE_START, since this handles and consumes the command line args.
586 *
587 * Also note that aside from boot_os_fn functions and bootm_load_os no other
588 * functions we store the return value of in 'ret' may use a negative return
589 * value, without special handling.
590 *
591 * @param cmdtp Pointer to bootm command table entry
592 * @param flag Command flags (CMD_FLAG_...)
593 * @param argc Number of subcommand arguments (0 = no arguments)
594 * @param argv Arguments
595 * @param states Mask containing states to run (BOOTM_STATE_...)
596 * @param images Image header information
597 * @param boot_progress 1 to show boot progress, 0 to not do this
598 * @return 0 if ok, something else on error. Some errors will cause this
599 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
600 * then the intent is to boot an OS, so this function will not return
601 * unless the image type is standalone.
602 */
603int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
604 int states, bootm_headers_t *images, int boot_progress)
605{
606 boot_os_fn *boot_fn;
607 ulong iflag = 0;
608 int ret = 0, need_boot_fn;
609
610 images->state |= states;
611
612 /*
613 * Work through the states and see how far we get. We stop on
614 * any error.
615 */
616 if (states & BOOTM_STATE_START)
617 ret = bootm_start(cmdtp, flag, argc, argv);
618
619 if (!ret && (states & BOOTM_STATE_FINDOS))
620 ret = bootm_find_os(cmdtp, flag, argc, argv);
621
Zubair Lutfullah Kakakhelba079842016-09-09 09:18:58 +0100622 if (!ret && (states & BOOTM_STATE_FINDOTHER))
Simon Glassb6396402014-06-12 07:24:46 -0600623 ret = bootm_find_other(cmdtp, flag, argc, argv);
Simon Glassb6396402014-06-12 07:24:46 -0600624
625 /* Load the OS */
626 if (!ret && (states & BOOTM_STATE_LOADOS)) {
627 ulong load_end;
628
629 iflag = bootm_disable_interrupts();
630 ret = bootm_load_os(images, &load_end, 0);
631 if (ret == 0)
632 lmb_reserve(&images->lmb, images->os.load,
633 (load_end - images->os.load));
634 else if (ret && ret != BOOTM_ERR_OVERLAP)
635 goto err;
636 else if (ret == BOOTM_ERR_OVERLAP)
637 ret = 0;
Simon Glassb6396402014-06-12 07:24:46 -0600638 }
639
640 /* Relocate the ramdisk */
641#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
642 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
643 ulong rd_len = images->rd_end - images->rd_start;
644
645 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
646 rd_len, &images->initrd_start, &images->initrd_end);
647 if (!ret) {
Simon Glass018f5302017-08-03 12:22:10 -0600648 env_set_hex("initrd_start", images->initrd_start);
649 env_set_hex("initrd_end", images->initrd_end);
Simon Glassb6396402014-06-12 07:24:46 -0600650 }
651 }
652#endif
Simon Glassaa34fbc2016-02-22 22:55:45 -0700653#if IMAGE_ENABLE_OF_LIBFDT && defined(CONFIG_LMB)
Simon Glassb6396402014-06-12 07:24:46 -0600654 if (!ret && (states & BOOTM_STATE_FDT)) {
655 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
656 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
657 &images->ft_len);
658 }
659#endif
660
661 /* From now on, we need the OS boot function */
662 if (ret)
663 return ret;
664 boot_fn = bootm_os_get_boot_func(images->os.os);
665 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
666 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
667 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
668 if (boot_fn == NULL && need_boot_fn) {
669 if (iflag)
670 enable_interrupts();
671 printf("ERROR: booting os '%s' (%d) is not supported\n",
672 genimg_get_os_name(images->os.os), images->os.os);
673 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
674 return 1;
675 }
676
Hector Palacios19e86492016-07-11 12:34:37 +0200677
Simon Glassb6396402014-06-12 07:24:46 -0600678 /* Call various other states that are not generally used */
679 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
680 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
681 if (!ret && (states & BOOTM_STATE_OS_BD_T))
682 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
Hector Palacios19e86492016-07-11 12:34:37 +0200683 if (!ret && (states & BOOTM_STATE_OS_PREP)) {
684#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
685 if (images->os.os == IH_OS_LINUX)
686 fixup_silent_linux();
687#endif
Simon Glassb6396402014-06-12 07:24:46 -0600688 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
Hector Palacios19e86492016-07-11 12:34:37 +0200689 }
Simon Glassb6396402014-06-12 07:24:46 -0600690
691#ifdef CONFIG_TRACE
692 /* Pretend to run the OS, then run a user command */
693 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
Simon Glass00caae62017-08-03 12:22:12 -0600694 char *cmd_list = env_get("fakegocmd");
Simon Glassb6396402014-06-12 07:24:46 -0600695
696 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
697 images, boot_fn);
698 if (!ret && cmd_list)
699 ret = run_command_list(cmd_list, -1, flag);
700 }
701#endif
702
703 /* Check for unsupported subcommand. */
704 if (ret) {
705 puts("subcommand not supported\n");
706 return ret;
707 }
708
709 /* Now run the OS! We hope this doesn't return */
710 if (!ret && (states & BOOTM_STATE_OS_GO))
711 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
712 images, boot_fn);
713
714 /* Deal with any fallout */
715err:
716 if (iflag)
717 enable_interrupts();
718
719 if (ret == BOOTM_ERR_UNIMPLEMENTED)
720 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
721 else if (ret == BOOTM_ERR_RESET)
722 do_reset(cmdtp, flag, argc, argv);
723
724 return ret;
725}
726
727#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
728/**
729 * image_get_kernel - verify legacy format kernel image
730 * @img_addr: in RAM address of the legacy format image to be verified
731 * @verify: data CRC verification flag
732 *
733 * image_get_kernel() verifies legacy image integrity and returns pointer to
734 * legacy image header if image verification was completed successfully.
735 *
736 * returns:
737 * pointer to a legacy image header if valid image was found
738 * otherwise return NULL
739 */
740static image_header_t *image_get_kernel(ulong img_addr, int verify)
741{
742 image_header_t *hdr = (image_header_t *)img_addr;
743
744 if (!image_check_magic(hdr)) {
745 puts("Bad Magic Number\n");
746 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
747 return NULL;
748 }
749 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
750
751 if (!image_check_hcrc(hdr)) {
752 puts("Bad Header Checksum\n");
753 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
754 return NULL;
755 }
756
757 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
758 image_print_contents(hdr);
759
760 if (verify) {
761 puts(" Verifying Checksum ... ");
762 if (!image_check_dcrc(hdr)) {
763 printf("Bad Data CRC\n");
764 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
765 return NULL;
766 }
767 puts("OK\n");
768 }
769 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
770
771 if (!image_check_target_arch(hdr)) {
772 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
773 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
774 return NULL;
775 }
776 return hdr;
777}
778#endif
779
780/**
781 * boot_get_kernel - find kernel image
782 * @os_data: pointer to a ulong variable, will hold os data start address
783 * @os_len: pointer to a ulong variable, will hold os data length
784 *
785 * boot_get_kernel() tries to find a kernel image, verifies its integrity
786 * and locates kernel data.
787 *
788 * returns:
789 * pointer to image header if valid image was found, plus kernel start
790 * address and length, otherwise NULL
791 */
792static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
793 char * const argv[], bootm_headers_t *images,
794 ulong *os_data, ulong *os_len)
795{
796#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
797 image_header_t *hdr;
798#endif
799 ulong img_addr;
800 const void *buf;
Simon Glassb6396402014-06-12 07:24:46 -0600801 const char *fit_uname_config = NULL;
802 const char *fit_uname_kernel = NULL;
Simon Glass73223f02016-02-22 22:55:43 -0700803#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600804 int os_noffset;
805#endif
806
Bryan Wue6c88a62014-08-15 16:51:39 -0700807 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
808 &fit_uname_config,
809 &fit_uname_kernel);
Simon Glassb6396402014-06-12 07:24:46 -0600810
811 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
812
813 /* copy from dataflash if needed */
814 img_addr = genimg_get_image(img_addr);
815
816 /* check image type, for FIT images get FIT kernel node */
817 *os_data = *os_len = 0;
818 buf = map_sysmem(img_addr, 0);
819 switch (genimg_get_format(buf)) {
820#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
821 case IMAGE_FORMAT_LEGACY:
822 printf("## Booting kernel from Legacy Image at %08lx ...\n",
823 img_addr);
824 hdr = image_get_kernel(img_addr, images->verify);
825 if (!hdr)
826 return NULL;
827 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
828
829 /* get os_data and os_len */
830 switch (image_get_type(hdr)) {
831 case IH_TYPE_KERNEL:
832 case IH_TYPE_KERNEL_NOLOAD:
833 *os_data = image_get_data(hdr);
834 *os_len = image_get_data_size(hdr);
835 break;
836 case IH_TYPE_MULTI:
837 image_multi_getimg(hdr, 0, os_data, os_len);
838 break;
839 case IH_TYPE_STANDALONE:
840 *os_data = image_get_data(hdr);
841 *os_len = image_get_data_size(hdr);
842 break;
843 default:
844 printf("Wrong Image Type for %s command\n",
845 cmdtp->name);
846 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
847 return NULL;
848 }
849
850 /*
851 * copy image header to allow for image overwrites during
852 * kernel decompression.
853 */
854 memmove(&images->legacy_hdr_os_copy, hdr,
855 sizeof(image_header_t));
856
857 /* save pointer to image header */
858 images->legacy_hdr_os = hdr;
859
860 images->legacy_hdr_valid = 1;
861 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
862 break;
863#endif
Simon Glass73223f02016-02-22 22:55:43 -0700864#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600865 case IMAGE_FORMAT_FIT:
Simon Glass126cc862014-06-12 07:24:47 -0600866 os_noffset = fit_image_load(images, img_addr,
Simon Glassb6396402014-06-12 07:24:46 -0600867 &fit_uname_kernel, &fit_uname_config,
868 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
869 BOOTSTAGE_ID_FIT_KERNEL_START,
870 FIT_LOAD_IGNORED, os_data, os_len);
871 if (os_noffset < 0)
872 return NULL;
873
874 images->fit_hdr_os = map_sysmem(img_addr, 0);
875 images->fit_uname_os = fit_uname_kernel;
876 images->fit_uname_cfg = fit_uname_config;
877 images->fit_noffset_os = os_noffset;
878 break;
879#endif
880#ifdef CONFIG_ANDROID_BOOT_IMAGE
881 case IMAGE_FORMAT_ANDROID:
882 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
Simon Glass07c0cd72014-06-12 07:24:48 -0600883 if (android_image_get_kernel(buf, images->verify,
Simon Glassb6396402014-06-12 07:24:46 -0600884 os_data, os_len))
885 return NULL;
886 break;
887#endif
888 default:
889 printf("Wrong Image Format for %s command\n", cmdtp->name);
890 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
891 return NULL;
892 }
893
894 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
895 *os_data, *os_len, *os_len);
896
897 return buf;
898}
Simon Glassce1400f2014-06-12 07:24:53 -0600899#else /* USE_HOSTCC */
900
901void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
902{
903 memmove(to, from, len);
904}
905
906static int bootm_host_load_image(const void *fit, int req_image_type)
907{
908 const char *fit_uname_config = NULL;
909 ulong data, len;
910 bootm_headers_t images;
911 int noffset;
912 ulong load_end;
913 uint8_t image_type;
914 uint8_t imape_comp;
915 void *load_buf;
916 int ret;
917
918 memset(&images, '\0', sizeof(images));
919 images.verify = 1;
920 noffset = fit_image_load(&images, (ulong)fit,
921 NULL, &fit_uname_config,
922 IH_ARCH_DEFAULT, req_image_type, -1,
923 FIT_LOAD_IGNORED, &data, &len);
924 if (noffset < 0)
925 return noffset;
926 if (fit_image_get_type(fit, noffset, &image_type)) {
927 puts("Can't get image type!\n");
928 return -EINVAL;
929 }
930
931 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
932 puts("Can't get image compression!\n");
933 return -EINVAL;
934 }
935
936 /* Allow the image to expand by a factor of 4, should be safe */
937 load_buf = malloc((1 << 20) + len * 4);
Simon Glass081cc192014-12-02 13:17:33 -0700938 ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf,
939 (void *)data, len, CONFIG_SYS_BOOTM_LEN,
940 &load_end);
Simon Glassce1400f2014-06-12 07:24:53 -0600941 free(load_buf);
Simon Glass081cc192014-12-02 13:17:33 -0700942
Simon Glassce1400f2014-06-12 07:24:53 -0600943 if (ret && ret != BOOTM_ERR_UNIMPLEMENTED)
944 return ret;
945
946 return 0;
947}
948
949int bootm_host_load_images(const void *fit, int cfg_noffset)
950{
951 static uint8_t image_types[] = {
952 IH_TYPE_KERNEL,
953 IH_TYPE_FLATDT,
954 IH_TYPE_RAMDISK,
955 };
956 int err = 0;
957 int i;
958
959 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
960 int ret;
961
962 ret = bootm_host_load_image(fit, image_types[i]);
963 if (!err && ret && ret != -ENOENT)
964 err = ret;
965 }
966
967 /* Return the first error we found */
968 return err;
969}
Simon Glassea51a622014-06-12 07:24:51 -0600970
971#endif /* ndef USE_HOSTCC */