blob: 6842029dfb4c31dd87d6a6a9152b7f04e71aeb3d [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
Simon Glassb6396402014-06-12 07:24:46 -060044static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
45 char * const argv[], bootm_headers_t *images,
46 ulong *os_data, ulong *os_len);
47
48#ifdef CONFIG_LMB
49static void boot_start_lmb(bootm_headers_t *images)
50{
51 ulong mem_start;
52 phys_size_t mem_size;
53
54 lmb_init(&images->lmb);
55
56 mem_start = getenv_bootm_low();
57 mem_size = getenv_bootm_size();
58
59 lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size);
60
61 arch_lmb_reserve(&images->lmb);
62 board_lmb_reserve(&images->lmb);
63}
64#else
65#define lmb_reserve(lmb, base, size)
66static inline void boot_start_lmb(bootm_headers_t *images) { }
67#endif
68
69static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc,
70 char * const argv[])
71{
72 memset((void *)&images, 0, sizeof(images));
73 images.verify = getenv_yesno("verify");
74
75 boot_start_lmb(&images);
76
77 bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
78 images.state = BOOTM_STATE_START;
79
80 return 0;
81}
82
83static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
84 char * const argv[])
85{
86 const void *os_hdr;
87 bool ep_found = false;
Simon Glass90268b82014-10-19 21:11:24 -060088 int ret;
Simon Glassb6396402014-06-12 07:24:46 -060089
90 /* get kernel image header, start address and length */
91 os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
92 &images, &images.os.image_start, &images.os.image_len);
93 if (images.os.image_len == 0) {
94 puts("ERROR: can't get kernel image!\n");
95 return 1;
96 }
97
98 /* get image parameters */
99 switch (genimg_get_format(os_hdr)) {
100#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
101 case IMAGE_FORMAT_LEGACY:
102 images.os.type = image_get_type(os_hdr);
103 images.os.comp = image_get_comp(os_hdr);
104 images.os.os = image_get_os(os_hdr);
105
106 images.os.end = image_get_image_end(os_hdr);
107 images.os.load = image_get_load(os_hdr);
Simon Glass90268b82014-10-19 21:11:24 -0600108 images.os.arch = image_get_arch(os_hdr);
Simon Glassb6396402014-06-12 07:24:46 -0600109 break;
110#endif
111#if defined(CONFIG_FIT)
112 case IMAGE_FORMAT_FIT:
113 if (fit_image_get_type(images.fit_hdr_os,
114 images.fit_noffset_os,
115 &images.os.type)) {
116 puts("Can't get image type!\n");
117 bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
118 return 1;
119 }
120
121 if (fit_image_get_comp(images.fit_hdr_os,
122 images.fit_noffset_os,
123 &images.os.comp)) {
124 puts("Can't get image compression!\n");
125 bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
126 return 1;
127 }
128
129 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
130 &images.os.os)) {
131 puts("Can't get image OS!\n");
132 bootstage_error(BOOTSTAGE_ID_FIT_OS);
133 return 1;
134 }
135
Simon Glass90268b82014-10-19 21:11:24 -0600136 if (fit_image_get_arch(images.fit_hdr_os,
137 images.fit_noffset_os,
138 &images.os.arch)) {
139 puts("Can't get image ARCH!\n");
140 return 1;
141 }
142
Simon Glassb6396402014-06-12 07:24:46 -0600143 images.os.end = fit_get_end(images.fit_hdr_os);
144
145 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
146 &images.os.load)) {
147 puts("Can't get image load address!\n");
148 bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
149 return 1;
150 }
151 break;
152#endif
153#ifdef CONFIG_ANDROID_BOOT_IMAGE
154 case IMAGE_FORMAT_ANDROID:
155 images.os.type = IH_TYPE_KERNEL;
156 images.os.comp = IH_COMP_NONE;
157 images.os.os = IH_OS_LINUX;
Simon Glassb6396402014-06-12 07:24:46 -0600158
159 images.os.end = android_image_get_end(os_hdr);
160 images.os.load = android_image_get_kload(os_hdr);
Ahmad Draidi86f46952014-10-23 20:50:07 +0300161 images.ep = images.os.load;
162 ep_found = true;
Simon Glassb6396402014-06-12 07:24:46 -0600163 break;
164#endif
165 default:
166 puts("ERROR: unknown image format type!\n");
167 return 1;
168 }
169
Simon Glass90268b82014-10-19 21:11:24 -0600170 /* If we have a valid setup.bin, we will use that for entry (x86) */
Simon Glass5bda35c2014-10-10 08:21:57 -0600171 if (images.os.arch == IH_ARCH_I386 ||
172 images.os.arch == IH_ARCH_X86_64) {
Simon Glass90268b82014-10-19 21:11:24 -0600173 ulong len;
174
175 ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
176 if (ret < 0 && ret != -ENOENT) {
177 puts("Could not find a valid setup.bin for x86\n");
178 return 1;
179 }
180 /* Kernel entry point is the setup.bin */
181 } else if (images.legacy_hdr_valid) {
Simon Glassb6396402014-06-12 07:24:46 -0600182 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
183#if defined(CONFIG_FIT)
184 } else if (images.fit_uname_os) {
185 int ret;
186
187 ret = fit_image_get_entry(images.fit_hdr_os,
188 images.fit_noffset_os, &images.ep);
189 if (ret) {
190 puts("Can't get entry point property!\n");
191 return 1;
192 }
193#endif
194 } else if (!ep_found) {
195 puts("Could not find kernel entry point!\n");
196 return 1;
197 }
198
199 if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
200 images.os.load = images.os.image_start;
201 images.ep += images.os.load;
202 }
203
204 images.os.start = (ulong)os_hdr;
205
206 return 0;
207}
208
209static int bootm_find_ramdisk(int flag, int argc, char * const argv[])
210{
211 int ret;
212
213 /* find ramdisk */
214 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
215 &images.rd_start, &images.rd_end);
216 if (ret) {
217 puts("Ramdisk image is corrupt or invalid\n");
218 return 1;
219 }
220
221 return 0;
222}
223
224#if defined(CONFIG_OF_LIBFDT)
225static int bootm_find_fdt(int flag, int argc, char * const argv[])
226{
227 int ret;
228
229 /* find flattened device tree */
230 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
231 &images.ft_addr, &images.ft_len);
232 if (ret) {
233 puts("Could not find a valid device tree\n");
234 return 1;
235 }
236
Joe Hershberger90fbee32015-02-04 21:56:53 -0600237 set_working_fdt_addr((ulong)images.ft_addr);
Simon Glassb6396402014-06-12 07:24:46 -0600238
239 return 0;
240}
241#endif
242
243int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[])
244{
245 if (bootm_find_ramdisk(flag, argc, argv))
246 return 1;
247
248#if defined(CONFIG_OF_LIBFDT)
249 if (bootm_find_fdt(flag, argc, argv))
250 return 1;
251#endif
252
253 return 0;
254}
255
256static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
257 char * const argv[])
258{
259 if (((images.os.type == IH_TYPE_KERNEL) ||
260 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
261 (images.os.type == IH_TYPE_MULTI)) &&
262 (images.os.os == IH_OS_LINUX ||
263 images.os.os == IH_OS_VXWORKS))
264 return bootm_find_ramdisk_fdt(flag, argc, argv);
265
266 return 0;
267}
Simon Glass40e59752014-12-02 13:17:30 -0700268#endif /* USE_HOSTC */
269
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700270/**
271 * print_decomp_msg() - Print a suitable decompression/loading message
272 *
273 * @type: OS type (IH_OS_...)
274 * @comp_type: Compression type being used (IH_COMP_...)
275 * @is_xip: true if the load address matches the image start
276 */
277static void print_decomp_msg(int comp_type, int type, bool is_xip)
Simon Glass40e59752014-12-02 13:17:30 -0700278{
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700279 const char *name = genimg_get_type_name(type);
280
281 if (comp_type == IH_COMP_NONE)
282 printf(" %s %s ... ", is_xip ? "XIP" : "Loading", name);
283 else
284 printf(" Uncompressing %s ... ", name);
Simon Glass40e59752014-12-02 13:17:30 -0700285}
286
Simon Glass3086c052014-12-02 13:17:37 -0700287/**
288 * handle_decomp_error() - display a decompression error
289 *
290 * This function tries to produce a useful message. In the case where the
291 * uncompressed size is the same as the available space, we can assume that
292 * the image is too large for the buffer.
293 *
294 * @comp_type: Compression type being used (IH_COMP_...)
295 * @uncomp_size: Number of bytes uncompressed
296 * @unc_len: Amount of space available for decompression
297 * @ret: Error code to report
298 * @return BOOTM_ERR_RESET, indicating that the board must be reset
299 */
300static int handle_decomp_error(int comp_type, size_t uncomp_size,
301 size_t unc_len, int ret)
Simon Glass40e59752014-12-02 13:17:30 -0700302{
Simon Glass3086c052014-12-02 13:17:37 -0700303 const char *name = genimg_get_comp_name(comp_type);
304
305 if (uncomp_size >= unc_len)
306 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
Simon Glass40e59752014-12-02 13:17:30 -0700307 else
Simon Glass3086c052014-12-02 13:17:37 -0700308 printf("%s: uncompress error %d\n", name, ret);
309
310 /*
311 * The decompression routines are now safe, so will not write beyond
312 * their bounds. Probably it is not necessary to reset, but maintain
313 * the current behaviour for now.
314 */
315 printf("Must RESET board to recover\n");
Simon Glass40e59752014-12-02 13:17:30 -0700316#ifndef USE_HOSTCC
317 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
318#endif
319
320 return BOOTM_ERR_RESET;
321}
Simon Glassb6396402014-06-12 07:24:46 -0600322
Simon Glass081cc192014-12-02 13:17:33 -0700323int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
324 void *load_buf, void *image_buf, ulong image_len,
325 uint unc_len, ulong *load_end)
Simon Glassb6396402014-06-12 07:24:46 -0600326{
Simon Glass3086c052014-12-02 13:17:37 -0700327 int ret = 0;
328
Simon Glass2b164f12014-06-12 07:24:52 -0600329 *load_end = load;
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700330 print_decomp_msg(comp, type, load == image_start);
Simon Glass3086c052014-12-02 13:17:37 -0700331
332 /*
333 * Load the image to the right place, decompressing if needed. After
334 * this, image_len will be set to the number of uncompressed bytes
335 * loaded, ret will be non-zero on error.
336 */
Simon Glassb6396402014-06-12 07:24:46 -0600337 switch (comp) {
338 case IH_COMP_NONE:
Simon Glass3086c052014-12-02 13:17:37 -0700339 if (load == image_start)
340 break;
341 if (image_len <= unc_len)
Simon Glassb6396402014-06-12 07:24:46 -0600342 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
Simon Glass3086c052014-12-02 13:17:37 -0700343 else
344 ret = 1;
Simon Glassb6396402014-06-12 07:24:46 -0600345 break;
346#ifdef CONFIG_GZIP
Simon Glass40e59752014-12-02 13:17:30 -0700347 case IH_COMP_GZIP: {
Simon Glass40e59752014-12-02 13:17:30 -0700348 ret = gunzip(load_buf, unc_len, image_buf, &image_len);
Simon Glassb6396402014-06-12 07:24:46 -0600349 break;
Simon Glass40e59752014-12-02 13:17:30 -0700350 }
Simon Glassb6396402014-06-12 07:24:46 -0600351#endif /* CONFIG_GZIP */
352#ifdef CONFIG_BZIP2
Simon Glass40e59752014-12-02 13:17:30 -0700353 case IH_COMP_BZIP2: {
Simon Glass3086c052014-12-02 13:17:37 -0700354 uint size = unc_len;
Simon Glass40e59752014-12-02 13:17:30 -0700355
Simon Glassb6396402014-06-12 07:24:46 -0600356 /*
357 * If we've got less than 4 MB of malloc() space,
358 * use slower decompression algorithm which requires
359 * at most 2300 KB of memory.
360 */
Simon Glass3086c052014-12-02 13:17:37 -0700361 ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
Simon Glassb6396402014-06-12 07:24:46 -0600362 image_buf, image_len,
363 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
Simon Glass3086c052014-12-02 13:17:37 -0700364 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600365 break;
Simon Glass40e59752014-12-02 13:17:30 -0700366 }
Simon Glassb6396402014-06-12 07:24:46 -0600367#endif /* CONFIG_BZIP2 */
368#ifdef CONFIG_LZMA
369 case IH_COMP_LZMA: {
370 SizeT lzma_len = unc_len;
Simon Glass2b164f12014-06-12 07:24:52 -0600371
Simon Glassb6396402014-06-12 07:24:46 -0600372 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
373 image_buf, image_len);
Simon Glass3086c052014-12-02 13:17:37 -0700374 image_len = lzma_len;
Simon Glassb6396402014-06-12 07:24:46 -0600375 break;
376 }
377#endif /* CONFIG_LZMA */
378#ifdef CONFIG_LZO
379 case IH_COMP_LZO: {
380 size_t size = unc_len;
381
Simon Glassb6396402014-06-12 07:24:46 -0600382 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
Simon Glass3086c052014-12-02 13:17:37 -0700383 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600384 break;
385 }
386#endif /* CONFIG_LZO */
387 default:
388 printf("Unimplemented compression type %d\n", comp);
389 return BOOTM_ERR_UNIMPLEMENTED;
390 }
391
Simon Glass3086c052014-12-02 13:17:37 -0700392 if (ret)
393 return handle_decomp_error(comp, image_len, unc_len, ret);
394 *load_end = load + image_len;
395
Simon Glass2b164f12014-06-12 07:24:52 -0600396 puts("OK\n");
397
398 return 0;
399}
400
Simon Glassce1400f2014-06-12 07:24:53 -0600401#ifndef USE_HOSTCC
Simon Glass2b164f12014-06-12 07:24:52 -0600402static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
403 int boot_progress)
404{
405 image_info_t os = images->os;
406 ulong load = os.load;
407 ulong blob_start = os.start;
408 ulong blob_end = os.end;
409 ulong image_start = os.image_start;
410 ulong image_len = os.image_len;
411 bool no_overlap;
412 void *load_buf, *image_buf;
413 int err;
414
415 load_buf = map_sysmem(load, 0);
416 image_buf = map_sysmem(os.image_start, image_len);
Simon Glass081cc192014-12-02 13:17:33 -0700417 err = bootm_decomp_image(os.comp, load, os.image_start, os.type,
418 load_buf, image_buf, image_len,
419 CONFIG_SYS_BOOTM_LEN, load_end);
Simon Glass2b164f12014-06-12 07:24:52 -0600420 if (err) {
421 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
422 return err;
423 }
Simon Glassb6396402014-06-12 07:24:46 -0600424 flush_cache(load, (*load_end - load) * sizeof(ulong));
425
Simon Glassb6396402014-06-12 07:24:46 -0600426 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
427 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
428
Simon Glass2b164f12014-06-12 07:24:52 -0600429 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
430
Simon Glassb6396402014-06-12 07:24:46 -0600431 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
432 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
433 blob_start, blob_end);
434 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
435 *load_end);
436
437 /* Check what type of image this is. */
438 if (images->legacy_hdr_valid) {
439 if (image_get_type(&images->legacy_hdr_os_copy)
440 == IH_TYPE_MULTI)
441 puts("WARNING: legacy format multi component image overwritten\n");
442 return BOOTM_ERR_OVERLAP;
443 } else {
444 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
445 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
446 return BOOTM_ERR_RESET;
447 }
448 }
449
450 return 0;
451}
452
453/**
454 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
455 *
456 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
457 * enabled)
458 */
459ulong bootm_disable_interrupts(void)
460{
461 ulong iflag;
462
463 /*
464 * We have reached the point of no return: we are going to
465 * overwrite all exception vector code, so we cannot easily
466 * recover from any failures any more...
467 */
468 iflag = disable_interrupts();
469#ifdef CONFIG_NETCONSOLE
470 /* Stop the ethernet stack if NetConsole could have left it up */
471 eth_halt();
472 eth_unregister(eth_get_dev());
473#endif
474
475#if defined(CONFIG_CMD_USB)
476 /*
477 * turn off USB to prevent the host controller from writing to the
478 * SDRAM while Linux is booting. This could happen (at least for OHCI
479 * controller), because the HCCA (Host Controller Communication Area)
480 * lies within the SDRAM and the host controller writes continously to
481 * this area (as busmaster!). The HccaFrameNumber is for example
482 * updated every 1 ms within the HCCA structure in SDRAM! For more
483 * details see the OpenHCI specification.
484 */
485 usb_stop();
486#endif
487 return iflag;
488}
489
490#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
491
492#define CONSOLE_ARG "console="
493#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
494
495static void fixup_silent_linux(void)
496{
497 char *buf;
498 const char *env_val;
499 char *cmdline = getenv("bootargs");
500 int want_silent;
501
502 /*
503 * Only fix cmdline when requested. The environment variable can be:
504 *
505 * no - we never fixup
506 * yes - we always fixup
507 * unset - we rely on the console silent flag
508 */
509 want_silent = getenv_yesno("silent_linux");
510 if (want_silent == 0)
511 return;
512 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
513 return;
514
515 debug("before silent fix-up: %s\n", cmdline);
516 if (cmdline && (cmdline[0] != '\0')) {
517 char *start = strstr(cmdline, CONSOLE_ARG);
518
519 /* Allocate space for maximum possible new command line */
520 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
521 if (!buf) {
522 debug("%s: out of memory\n", __func__);
523 return;
524 }
525
526 if (start) {
527 char *end = strchr(start, ' ');
528 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
529
530 strncpy(buf, cmdline, num_start_bytes);
531 if (end)
532 strcpy(buf + num_start_bytes, end);
533 else
534 buf[num_start_bytes] = '\0';
535 } else {
536 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
537 }
538 env_val = buf;
539 } else {
540 buf = NULL;
541 env_val = CONSOLE_ARG;
542 }
543
544 setenv("bootargs", env_val);
545 debug("after silent fix-up: %s\n", env_val);
546 free(buf);
547}
548#endif /* CONFIG_SILENT_CONSOLE */
549
550/**
551 * Execute selected states of the bootm command.
552 *
553 * Note the arguments to this state must be the first argument, Any 'bootm'
554 * or sub-command arguments must have already been taken.
555 *
556 * Note that if states contains more than one flag it MUST contain
557 * BOOTM_STATE_START, since this handles and consumes the command line args.
558 *
559 * Also note that aside from boot_os_fn functions and bootm_load_os no other
560 * functions we store the return value of in 'ret' may use a negative return
561 * value, without special handling.
562 *
563 * @param cmdtp Pointer to bootm command table entry
564 * @param flag Command flags (CMD_FLAG_...)
565 * @param argc Number of subcommand arguments (0 = no arguments)
566 * @param argv Arguments
567 * @param states Mask containing states to run (BOOTM_STATE_...)
568 * @param images Image header information
569 * @param boot_progress 1 to show boot progress, 0 to not do this
570 * @return 0 if ok, something else on error. Some errors will cause this
571 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
572 * then the intent is to boot an OS, so this function will not return
573 * unless the image type is standalone.
574 */
575int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
576 int states, bootm_headers_t *images, int boot_progress)
577{
578 boot_os_fn *boot_fn;
579 ulong iflag = 0;
580 int ret = 0, need_boot_fn;
581
582 images->state |= states;
583
584 /*
585 * Work through the states and see how far we get. We stop on
586 * any error.
587 */
588 if (states & BOOTM_STATE_START)
589 ret = bootm_start(cmdtp, flag, argc, argv);
590
591 if (!ret && (states & BOOTM_STATE_FINDOS))
592 ret = bootm_find_os(cmdtp, flag, argc, argv);
593
594 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
595 ret = bootm_find_other(cmdtp, flag, argc, argv);
596 argc = 0; /* consume the args */
597 }
598
599 /* Load the OS */
600 if (!ret && (states & BOOTM_STATE_LOADOS)) {
601 ulong load_end;
602
603 iflag = bootm_disable_interrupts();
604 ret = bootm_load_os(images, &load_end, 0);
605 if (ret == 0)
606 lmb_reserve(&images->lmb, images->os.load,
607 (load_end - images->os.load));
608 else if (ret && ret != BOOTM_ERR_OVERLAP)
609 goto err;
610 else if (ret == BOOTM_ERR_OVERLAP)
611 ret = 0;
612#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
613 if (images->os.os == IH_OS_LINUX)
614 fixup_silent_linux();
615#endif
616 }
617
618 /* Relocate the ramdisk */
619#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
620 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
621 ulong rd_len = images->rd_end - images->rd_start;
622
623 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
624 rd_len, &images->initrd_start, &images->initrd_end);
625 if (!ret) {
626 setenv_hex("initrd_start", images->initrd_start);
627 setenv_hex("initrd_end", images->initrd_end);
628 }
629 }
630#endif
631#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
632 if (!ret && (states & BOOTM_STATE_FDT)) {
633 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
634 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
635 &images->ft_len);
636 }
637#endif
638
639 /* From now on, we need the OS boot function */
640 if (ret)
641 return ret;
642 boot_fn = bootm_os_get_boot_func(images->os.os);
643 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
644 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
645 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
646 if (boot_fn == NULL && need_boot_fn) {
647 if (iflag)
648 enable_interrupts();
649 printf("ERROR: booting os '%s' (%d) is not supported\n",
650 genimg_get_os_name(images->os.os), images->os.os);
651 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
652 return 1;
653 }
654
655 /* Call various other states that are not generally used */
656 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
657 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
658 if (!ret && (states & BOOTM_STATE_OS_BD_T))
659 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
660 if (!ret && (states & BOOTM_STATE_OS_PREP))
661 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
662
663#ifdef CONFIG_TRACE
664 /* Pretend to run the OS, then run a user command */
665 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
666 char *cmd_list = getenv("fakegocmd");
667
668 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
669 images, boot_fn);
670 if (!ret && cmd_list)
671 ret = run_command_list(cmd_list, -1, flag);
672 }
673#endif
674
675 /* Check for unsupported subcommand. */
676 if (ret) {
677 puts("subcommand not supported\n");
678 return ret;
679 }
680
681 /* Now run the OS! We hope this doesn't return */
682 if (!ret && (states & BOOTM_STATE_OS_GO))
683 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
684 images, boot_fn);
685
686 /* Deal with any fallout */
687err:
688 if (iflag)
689 enable_interrupts();
690
691 if (ret == BOOTM_ERR_UNIMPLEMENTED)
692 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
693 else if (ret == BOOTM_ERR_RESET)
694 do_reset(cmdtp, flag, argc, argv);
695
696 return ret;
697}
698
699#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
700/**
701 * image_get_kernel - verify legacy format kernel image
702 * @img_addr: in RAM address of the legacy format image to be verified
703 * @verify: data CRC verification flag
704 *
705 * image_get_kernel() verifies legacy image integrity and returns pointer to
706 * legacy image header if image verification was completed successfully.
707 *
708 * returns:
709 * pointer to a legacy image header if valid image was found
710 * otherwise return NULL
711 */
712static image_header_t *image_get_kernel(ulong img_addr, int verify)
713{
714 image_header_t *hdr = (image_header_t *)img_addr;
715
716 if (!image_check_magic(hdr)) {
717 puts("Bad Magic Number\n");
718 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
719 return NULL;
720 }
721 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
722
723 if (!image_check_hcrc(hdr)) {
724 puts("Bad Header Checksum\n");
725 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
726 return NULL;
727 }
728
729 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
730 image_print_contents(hdr);
731
732 if (verify) {
733 puts(" Verifying Checksum ... ");
734 if (!image_check_dcrc(hdr)) {
735 printf("Bad Data CRC\n");
736 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
737 return NULL;
738 }
739 puts("OK\n");
740 }
741 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
742
743 if (!image_check_target_arch(hdr)) {
744 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
745 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
746 return NULL;
747 }
748 return hdr;
749}
750#endif
751
752/**
753 * boot_get_kernel - find kernel image
754 * @os_data: pointer to a ulong variable, will hold os data start address
755 * @os_len: pointer to a ulong variable, will hold os data length
756 *
757 * boot_get_kernel() tries to find a kernel image, verifies its integrity
758 * and locates kernel data.
759 *
760 * returns:
761 * pointer to image header if valid image was found, plus kernel start
762 * address and length, otherwise NULL
763 */
764static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
765 char * const argv[], bootm_headers_t *images,
766 ulong *os_data, ulong *os_len)
767{
768#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
769 image_header_t *hdr;
770#endif
771 ulong img_addr;
772 const void *buf;
Simon Glassb6396402014-06-12 07:24:46 -0600773 const char *fit_uname_config = NULL;
774 const char *fit_uname_kernel = NULL;
Bryan Wu6c454fe2014-08-15 16:51:38 -0700775#if defined(CONFIG_FIT)
Simon Glassb6396402014-06-12 07:24:46 -0600776 int os_noffset;
777#endif
778
Bryan Wue6c88a62014-08-15 16:51:39 -0700779 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
780 &fit_uname_config,
781 &fit_uname_kernel);
Simon Glassb6396402014-06-12 07:24:46 -0600782
783 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
784
785 /* copy from dataflash if needed */
786 img_addr = genimg_get_image(img_addr);
787
788 /* check image type, for FIT images get FIT kernel node */
789 *os_data = *os_len = 0;
790 buf = map_sysmem(img_addr, 0);
791 switch (genimg_get_format(buf)) {
792#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
793 case IMAGE_FORMAT_LEGACY:
794 printf("## Booting kernel from Legacy Image at %08lx ...\n",
795 img_addr);
796 hdr = image_get_kernel(img_addr, images->verify);
797 if (!hdr)
798 return NULL;
799 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
800
801 /* get os_data and os_len */
802 switch (image_get_type(hdr)) {
803 case IH_TYPE_KERNEL:
804 case IH_TYPE_KERNEL_NOLOAD:
805 *os_data = image_get_data(hdr);
806 *os_len = image_get_data_size(hdr);
807 break;
808 case IH_TYPE_MULTI:
809 image_multi_getimg(hdr, 0, os_data, os_len);
810 break;
811 case IH_TYPE_STANDALONE:
812 *os_data = image_get_data(hdr);
813 *os_len = image_get_data_size(hdr);
814 break;
815 default:
816 printf("Wrong Image Type for %s command\n",
817 cmdtp->name);
818 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
819 return NULL;
820 }
821
822 /*
823 * copy image header to allow for image overwrites during
824 * kernel decompression.
825 */
826 memmove(&images->legacy_hdr_os_copy, hdr,
827 sizeof(image_header_t));
828
829 /* save pointer to image header */
830 images->legacy_hdr_os = hdr;
831
832 images->legacy_hdr_valid = 1;
833 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
834 break;
835#endif
836#if defined(CONFIG_FIT)
837 case IMAGE_FORMAT_FIT:
Simon Glass126cc862014-06-12 07:24:47 -0600838 os_noffset = fit_image_load(images, img_addr,
Simon Glassb6396402014-06-12 07:24:46 -0600839 &fit_uname_kernel, &fit_uname_config,
840 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
841 BOOTSTAGE_ID_FIT_KERNEL_START,
842 FIT_LOAD_IGNORED, os_data, os_len);
843 if (os_noffset < 0)
844 return NULL;
845
846 images->fit_hdr_os = map_sysmem(img_addr, 0);
847 images->fit_uname_os = fit_uname_kernel;
848 images->fit_uname_cfg = fit_uname_config;
849 images->fit_noffset_os = os_noffset;
850 break;
851#endif
852#ifdef CONFIG_ANDROID_BOOT_IMAGE
853 case IMAGE_FORMAT_ANDROID:
854 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
Simon Glass07c0cd72014-06-12 07:24:48 -0600855 if (android_image_get_kernel(buf, images->verify,
Simon Glassb6396402014-06-12 07:24:46 -0600856 os_data, os_len))
857 return NULL;
858 break;
859#endif
860 default:
861 printf("Wrong Image Format for %s command\n", cmdtp->name);
862 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
863 return NULL;
864 }
865
866 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
867 *os_data, *os_len, *os_len);
868
869 return buf;
870}
Simon Glassce1400f2014-06-12 07:24:53 -0600871#else /* USE_HOSTCC */
872
873void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
874{
875 memmove(to, from, len);
876}
877
878static int bootm_host_load_image(const void *fit, int req_image_type)
879{
880 const char *fit_uname_config = NULL;
881 ulong data, len;
882 bootm_headers_t images;
883 int noffset;
884 ulong load_end;
885 uint8_t image_type;
886 uint8_t imape_comp;
887 void *load_buf;
888 int ret;
889
890 memset(&images, '\0', sizeof(images));
891 images.verify = 1;
892 noffset = fit_image_load(&images, (ulong)fit,
893 NULL, &fit_uname_config,
894 IH_ARCH_DEFAULT, req_image_type, -1,
895 FIT_LOAD_IGNORED, &data, &len);
896 if (noffset < 0)
897 return noffset;
898 if (fit_image_get_type(fit, noffset, &image_type)) {
899 puts("Can't get image type!\n");
900 return -EINVAL;
901 }
902
903 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
904 puts("Can't get image compression!\n");
905 return -EINVAL;
906 }
907
908 /* Allow the image to expand by a factor of 4, should be safe */
909 load_buf = malloc((1 << 20) + len * 4);
Simon Glass081cc192014-12-02 13:17:33 -0700910 ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf,
911 (void *)data, len, CONFIG_SYS_BOOTM_LEN,
912 &load_end);
Simon Glassce1400f2014-06-12 07:24:53 -0600913 free(load_buf);
Simon Glass081cc192014-12-02 13:17:33 -0700914
Simon Glassce1400f2014-06-12 07:24:53 -0600915 if (ret && ret != BOOTM_ERR_UNIMPLEMENTED)
916 return ret;
917
918 return 0;
919}
920
921int bootm_host_load_images(const void *fit, int cfg_noffset)
922{
923 static uint8_t image_types[] = {
924 IH_TYPE_KERNEL,
925 IH_TYPE_FLATDT,
926 IH_TYPE_RAMDISK,
927 };
928 int err = 0;
929 int i;
930
931 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
932 int ret;
933
934 ret = bootm_host_load_image(fit, image_types[i]);
935 if (!err && ret && ret != -ENOENT)
936 err = ret;
937 }
938
939 /* Return the first error we found */
940 return err;
941}
Simon Glassea51a622014-06-12 07:24:51 -0600942
943#endif /* ndef USE_HOSTCC */