blob: 99d574db2c52523f94946a01e65ca63a36521d37 [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
Karl Apsited52e8572015-05-21 09:52:49 -0400209/**
210 * bootm_find_images - wrapper to find and locate various images
211 * @flag: Ignored Argument
212 * @argc: command argument count
213 * @argv: command argument list
214 *
215 * boot_find_images() will attempt to load an available ramdisk,
216 * flattened device tree, as well as specifically marked
217 * "loadable" images (loadables are FIT only)
218 *
219 * Note: bootm_find_images will skip an image if it is not found
220 *
221 * @return:
222 * 0, if all existing images were loaded correctly
223 * 1, if an image is found but corrupted, or invalid
224 */
225int bootm_find_images(int flag, int argc, char * const argv[])
Simon Glassb6396402014-06-12 07:24:46 -0600226{
227 int ret;
228
229 /* find ramdisk */
230 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
231 &images.rd_start, &images.rd_end);
232 if (ret) {
233 puts("Ramdisk image is corrupt or invalid\n");
234 return 1;
235 }
236
Simon Glassb6396402014-06-12 07:24:46 -0600237#if defined(CONFIG_OF_LIBFDT)
Simon Glassb6396402014-06-12 07:24:46 -0600238 /* find flattened device tree */
239 ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images,
240 &images.ft_addr, &images.ft_len);
241 if (ret) {
242 puts("Could not find a valid device tree\n");
243 return 1;
244 }
Joe Hershberger90fbee32015-02-04 21:56:53 -0600245 set_working_fdt_addr((ulong)images.ft_addr);
Simon Glassb6396402014-06-12 07:24:46 -0600246#endif
247
Karl Apsite84a07db2015-05-21 09:52:48 -0400248#if defined(CONFIG_FIT)
Karl Apsite84a07db2015-05-21 09:52:48 -0400249 /* find all of the loadables */
250 ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
251 NULL, NULL);
252 if (ret) {
253 printf("Loadable(s) is corrupt or invalid\n");
254 return 1;
255 }
Karl Apsite84a07db2015-05-21 09:52:48 -0400256#endif
257
Simon Glassb6396402014-06-12 07:24:46 -0600258 return 0;
259}
260
261static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
262 char * const argv[])
263{
264 if (((images.os.type == IH_TYPE_KERNEL) ||
265 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
266 (images.os.type == IH_TYPE_MULTI)) &&
267 (images.os.os == IH_OS_LINUX ||
268 images.os.os == IH_OS_VXWORKS))
Karl Apsited52e8572015-05-21 09:52:49 -0400269 return bootm_find_images(flag, argc, argv);
Simon Glassb6396402014-06-12 07:24:46 -0600270
271 return 0;
272}
Simon Glass40e59752014-12-02 13:17:30 -0700273#endif /* USE_HOSTC */
274
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700275/**
276 * print_decomp_msg() - Print a suitable decompression/loading message
277 *
278 * @type: OS type (IH_OS_...)
279 * @comp_type: Compression type being used (IH_COMP_...)
280 * @is_xip: true if the load address matches the image start
281 */
282static void print_decomp_msg(int comp_type, int type, bool is_xip)
Simon Glass40e59752014-12-02 13:17:30 -0700283{
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700284 const char *name = genimg_get_type_name(type);
285
286 if (comp_type == IH_COMP_NONE)
287 printf(" %s %s ... ", is_xip ? "XIP" : "Loading", name);
288 else
289 printf(" Uncompressing %s ... ", name);
Simon Glass40e59752014-12-02 13:17:30 -0700290}
291
Simon Glass3086c052014-12-02 13:17:37 -0700292/**
293 * handle_decomp_error() - display a decompression error
294 *
295 * This function tries to produce a useful message. In the case where the
296 * uncompressed size is the same as the available space, we can assume that
297 * the image is too large for the buffer.
298 *
299 * @comp_type: Compression type being used (IH_COMP_...)
300 * @uncomp_size: Number of bytes uncompressed
301 * @unc_len: Amount of space available for decompression
302 * @ret: Error code to report
303 * @return BOOTM_ERR_RESET, indicating that the board must be reset
304 */
305static int handle_decomp_error(int comp_type, size_t uncomp_size,
306 size_t unc_len, int ret)
Simon Glass40e59752014-12-02 13:17:30 -0700307{
Simon Glass3086c052014-12-02 13:17:37 -0700308 const char *name = genimg_get_comp_name(comp_type);
309
310 if (uncomp_size >= unc_len)
311 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
Simon Glass40e59752014-12-02 13:17:30 -0700312 else
Simon Glass3086c052014-12-02 13:17:37 -0700313 printf("%s: uncompress error %d\n", name, ret);
314
315 /*
316 * The decompression routines are now safe, so will not write beyond
317 * their bounds. Probably it is not necessary to reset, but maintain
318 * the current behaviour for now.
319 */
320 printf("Must RESET board to recover\n");
Simon Glass40e59752014-12-02 13:17:30 -0700321#ifndef USE_HOSTCC
322 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
323#endif
324
325 return BOOTM_ERR_RESET;
326}
Simon Glassb6396402014-06-12 07:24:46 -0600327
Simon Glass081cc192014-12-02 13:17:33 -0700328int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
329 void *load_buf, void *image_buf, ulong image_len,
330 uint unc_len, ulong *load_end)
Simon Glassb6396402014-06-12 07:24:46 -0600331{
Simon Glass3086c052014-12-02 13:17:37 -0700332 int ret = 0;
333
Simon Glass2b164f12014-06-12 07:24:52 -0600334 *load_end = load;
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700335 print_decomp_msg(comp, type, load == image_start);
Simon Glass3086c052014-12-02 13:17:37 -0700336
337 /*
338 * Load the image to the right place, decompressing if needed. After
339 * this, image_len will be set to the number of uncompressed bytes
340 * loaded, ret will be non-zero on error.
341 */
Simon Glassb6396402014-06-12 07:24:46 -0600342 switch (comp) {
343 case IH_COMP_NONE:
Simon Glass3086c052014-12-02 13:17:37 -0700344 if (load == image_start)
345 break;
346 if (image_len <= unc_len)
Simon Glassb6396402014-06-12 07:24:46 -0600347 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
Simon Glass3086c052014-12-02 13:17:37 -0700348 else
349 ret = 1;
Simon Glassb6396402014-06-12 07:24:46 -0600350 break;
351#ifdef CONFIG_GZIP
Simon Glass40e59752014-12-02 13:17:30 -0700352 case IH_COMP_GZIP: {
Simon Glass40e59752014-12-02 13:17:30 -0700353 ret = gunzip(load_buf, unc_len, image_buf, &image_len);
Simon Glassb6396402014-06-12 07:24:46 -0600354 break;
Simon Glass40e59752014-12-02 13:17:30 -0700355 }
Simon Glassb6396402014-06-12 07:24:46 -0600356#endif /* CONFIG_GZIP */
357#ifdef CONFIG_BZIP2
Simon Glass40e59752014-12-02 13:17:30 -0700358 case IH_COMP_BZIP2: {
Simon Glass3086c052014-12-02 13:17:37 -0700359 uint size = unc_len;
Simon Glass40e59752014-12-02 13:17:30 -0700360
Simon Glassb6396402014-06-12 07:24:46 -0600361 /*
362 * If we've got less than 4 MB of malloc() space,
363 * use slower decompression algorithm which requires
364 * at most 2300 KB of memory.
365 */
Simon Glass3086c052014-12-02 13:17:37 -0700366 ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
Simon Glassb6396402014-06-12 07:24:46 -0600367 image_buf, image_len,
368 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
Simon Glass3086c052014-12-02 13:17:37 -0700369 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600370 break;
Simon Glass40e59752014-12-02 13:17:30 -0700371 }
Simon Glassb6396402014-06-12 07:24:46 -0600372#endif /* CONFIG_BZIP2 */
373#ifdef CONFIG_LZMA
374 case IH_COMP_LZMA: {
375 SizeT lzma_len = unc_len;
Simon Glass2b164f12014-06-12 07:24:52 -0600376
Simon Glassb6396402014-06-12 07:24:46 -0600377 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
378 image_buf, image_len);
Simon Glass3086c052014-12-02 13:17:37 -0700379 image_len = lzma_len;
Simon Glassb6396402014-06-12 07:24:46 -0600380 break;
381 }
382#endif /* CONFIG_LZMA */
383#ifdef CONFIG_LZO
384 case IH_COMP_LZO: {
385 size_t size = unc_len;
386
Simon Glassb6396402014-06-12 07:24:46 -0600387 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
Simon Glass3086c052014-12-02 13:17:37 -0700388 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600389 break;
390 }
391#endif /* CONFIG_LZO */
Julius Werner027b7282015-10-06 20:03:53 -0700392#ifdef CONFIG_LZ4
393 case IH_COMP_LZ4: {
394 size_t size = unc_len;
395
396 ret = ulz4fn(image_buf, image_len, load_buf, &size);
397 image_len = size;
398 break;
399 }
400#endif /* CONFIG_LZ4 */
Simon Glassb6396402014-06-12 07:24:46 -0600401 default:
402 printf("Unimplemented compression type %d\n", comp);
403 return BOOTM_ERR_UNIMPLEMENTED;
404 }
405
Simon Glass3086c052014-12-02 13:17:37 -0700406 if (ret)
407 return handle_decomp_error(comp, image_len, unc_len, ret);
408 *load_end = load + image_len;
409
Simon Glass2b164f12014-06-12 07:24:52 -0600410 puts("OK\n");
411
412 return 0;
413}
414
Simon Glassce1400f2014-06-12 07:24:53 -0600415#ifndef USE_HOSTCC
Simon Glass2b164f12014-06-12 07:24:52 -0600416static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
417 int boot_progress)
418{
419 image_info_t os = images->os;
420 ulong load = os.load;
421 ulong blob_start = os.start;
422 ulong blob_end = os.end;
423 ulong image_start = os.image_start;
424 ulong image_len = os.image_len;
425 bool no_overlap;
426 void *load_buf, *image_buf;
427 int err;
428
429 load_buf = map_sysmem(load, 0);
430 image_buf = map_sysmem(os.image_start, image_len);
Simon Glass081cc192014-12-02 13:17:33 -0700431 err = bootm_decomp_image(os.comp, load, os.image_start, os.type,
432 load_buf, image_buf, image_len,
433 CONFIG_SYS_BOOTM_LEN, load_end);
Simon Glass2b164f12014-06-12 07:24:52 -0600434 if (err) {
435 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
436 return err;
437 }
Purna Chandra Mandal8d4f11c2016-01-20 14:07:39 +0530438 flush_cache(load, *load_end - load);
Simon Glassb6396402014-06-12 07:24:46 -0600439
Simon Glassb6396402014-06-12 07:24:46 -0600440 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
441 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
442
Simon Glass2b164f12014-06-12 07:24:52 -0600443 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
444
Simon Glassb6396402014-06-12 07:24:46 -0600445 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
446 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
447 blob_start, blob_end);
448 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
449 *load_end);
450
451 /* Check what type of image this is. */
452 if (images->legacy_hdr_valid) {
453 if (image_get_type(&images->legacy_hdr_os_copy)
454 == IH_TYPE_MULTI)
455 puts("WARNING: legacy format multi component image overwritten\n");
456 return BOOTM_ERR_OVERLAP;
457 } else {
458 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
459 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
460 return BOOTM_ERR_RESET;
461 }
462 }
463
464 return 0;
465}
466
467/**
468 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
469 *
470 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
471 * enabled)
472 */
473ulong bootm_disable_interrupts(void)
474{
475 ulong iflag;
476
477 /*
478 * We have reached the point of no return: we are going to
479 * overwrite all exception vector code, so we cannot easily
480 * recover from any failures any more...
481 */
482 iflag = disable_interrupts();
483#ifdef CONFIG_NETCONSOLE
484 /* Stop the ethernet stack if NetConsole could have left it up */
485 eth_halt();
Bernhard Nortmann4917c062015-09-14 15:29:45 +0200486# ifndef CONFIG_DM_ETH
Simon Glassb6396402014-06-12 07:24:46 -0600487 eth_unregister(eth_get_dev());
Bernhard Nortmann4917c062015-09-14 15:29:45 +0200488# endif
Simon Glassb6396402014-06-12 07:24:46 -0600489#endif
490
491#if defined(CONFIG_CMD_USB)
492 /*
493 * turn off USB to prevent the host controller from writing to the
494 * SDRAM while Linux is booting. This could happen (at least for OHCI
495 * controller), because the HCCA (Host Controller Communication Area)
496 * lies within the SDRAM and the host controller writes continously to
497 * this area (as busmaster!). The HccaFrameNumber is for example
498 * updated every 1 ms within the HCCA structure in SDRAM! For more
499 * details see the OpenHCI specification.
500 */
501 usb_stop();
502#endif
503 return iflag;
504}
505
506#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
507
508#define CONSOLE_ARG "console="
509#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
510
511static void fixup_silent_linux(void)
512{
513 char *buf;
514 const char *env_val;
515 char *cmdline = getenv("bootargs");
516 int want_silent;
517
518 /*
519 * Only fix cmdline when requested. The environment variable can be:
520 *
521 * no - we never fixup
522 * yes - we always fixup
523 * unset - we rely on the console silent flag
524 */
525 want_silent = getenv_yesno("silent_linux");
526 if (want_silent == 0)
527 return;
528 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
529 return;
530
531 debug("before silent fix-up: %s\n", cmdline);
532 if (cmdline && (cmdline[0] != '\0')) {
533 char *start = strstr(cmdline, CONSOLE_ARG);
534
535 /* Allocate space for maximum possible new command line */
536 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
537 if (!buf) {
538 debug("%s: out of memory\n", __func__);
539 return;
540 }
541
542 if (start) {
543 char *end = strchr(start, ' ');
544 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
545
546 strncpy(buf, cmdline, num_start_bytes);
547 if (end)
548 strcpy(buf + num_start_bytes, end);
549 else
550 buf[num_start_bytes] = '\0';
551 } else {
552 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
553 }
554 env_val = buf;
555 } else {
556 buf = NULL;
557 env_val = CONSOLE_ARG;
558 }
559
560 setenv("bootargs", env_val);
561 debug("after silent fix-up: %s\n", env_val);
562 free(buf);
563}
564#endif /* CONFIG_SILENT_CONSOLE */
565
566/**
567 * Execute selected states of the bootm command.
568 *
569 * Note the arguments to this state must be the first argument, Any 'bootm'
570 * or sub-command arguments must have already been taken.
571 *
572 * Note that if states contains more than one flag it MUST contain
573 * BOOTM_STATE_START, since this handles and consumes the command line args.
574 *
575 * Also note that aside from boot_os_fn functions and bootm_load_os no other
576 * functions we store the return value of in 'ret' may use a negative return
577 * value, without special handling.
578 *
579 * @param cmdtp Pointer to bootm command table entry
580 * @param flag Command flags (CMD_FLAG_...)
581 * @param argc Number of subcommand arguments (0 = no arguments)
582 * @param argv Arguments
583 * @param states Mask containing states to run (BOOTM_STATE_...)
584 * @param images Image header information
585 * @param boot_progress 1 to show boot progress, 0 to not do this
586 * @return 0 if ok, something else on error. Some errors will cause this
587 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
588 * then the intent is to boot an OS, so this function will not return
589 * unless the image type is standalone.
590 */
591int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
592 int states, bootm_headers_t *images, int boot_progress)
593{
594 boot_os_fn *boot_fn;
595 ulong iflag = 0;
596 int ret = 0, need_boot_fn;
597
598 images->state |= states;
599
600 /*
601 * Work through the states and see how far we get. We stop on
602 * any error.
603 */
604 if (states & BOOTM_STATE_START)
605 ret = bootm_start(cmdtp, flag, argc, argv);
606
607 if (!ret && (states & BOOTM_STATE_FINDOS))
608 ret = bootm_find_os(cmdtp, flag, argc, argv);
609
610 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
611 ret = bootm_find_other(cmdtp, flag, argc, argv);
612 argc = 0; /* consume the args */
613 }
614
615 /* Load the OS */
616 if (!ret && (states & BOOTM_STATE_LOADOS)) {
617 ulong load_end;
618
619 iflag = bootm_disable_interrupts();
620 ret = bootm_load_os(images, &load_end, 0);
621 if (ret == 0)
622 lmb_reserve(&images->lmb, images->os.load,
623 (load_end - images->os.load));
624 else if (ret && ret != BOOTM_ERR_OVERLAP)
625 goto err;
626 else if (ret == BOOTM_ERR_OVERLAP)
627 ret = 0;
628#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
629 if (images->os.os == IH_OS_LINUX)
630 fixup_silent_linux();
631#endif
632 }
633
634 /* Relocate the ramdisk */
635#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
636 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
637 ulong rd_len = images->rd_end - images->rd_start;
638
639 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
640 rd_len, &images->initrd_start, &images->initrd_end);
641 if (!ret) {
642 setenv_hex("initrd_start", images->initrd_start);
643 setenv_hex("initrd_end", images->initrd_end);
644 }
645 }
646#endif
647#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB)
648 if (!ret && (states & BOOTM_STATE_FDT)) {
649 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
650 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
651 &images->ft_len);
652 }
653#endif
654
655 /* From now on, we need the OS boot function */
656 if (ret)
657 return ret;
658 boot_fn = bootm_os_get_boot_func(images->os.os);
659 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
660 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
661 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
662 if (boot_fn == NULL && need_boot_fn) {
663 if (iflag)
664 enable_interrupts();
665 printf("ERROR: booting os '%s' (%d) is not supported\n",
666 genimg_get_os_name(images->os.os), images->os.os);
667 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
668 return 1;
669 }
670
671 /* Call various other states that are not generally used */
672 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
673 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
674 if (!ret && (states & BOOTM_STATE_OS_BD_T))
675 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
676 if (!ret && (states & BOOTM_STATE_OS_PREP))
677 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
678
679#ifdef CONFIG_TRACE
680 /* Pretend to run the OS, then run a user command */
681 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
682 char *cmd_list = getenv("fakegocmd");
683
684 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
685 images, boot_fn);
686 if (!ret && cmd_list)
687 ret = run_command_list(cmd_list, -1, flag);
688 }
689#endif
690
691 /* Check for unsupported subcommand. */
692 if (ret) {
693 puts("subcommand not supported\n");
694 return ret;
695 }
696
697 /* Now run the OS! We hope this doesn't return */
698 if (!ret && (states & BOOTM_STATE_OS_GO))
699 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
700 images, boot_fn);
701
702 /* Deal with any fallout */
703err:
704 if (iflag)
705 enable_interrupts();
706
707 if (ret == BOOTM_ERR_UNIMPLEMENTED)
708 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
709 else if (ret == BOOTM_ERR_RESET)
710 do_reset(cmdtp, flag, argc, argv);
711
712 return ret;
713}
714
715#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
716/**
717 * image_get_kernel - verify legacy format kernel image
718 * @img_addr: in RAM address of the legacy format image to be verified
719 * @verify: data CRC verification flag
720 *
721 * image_get_kernel() verifies legacy image integrity and returns pointer to
722 * legacy image header if image verification was completed successfully.
723 *
724 * returns:
725 * pointer to a legacy image header if valid image was found
726 * otherwise return NULL
727 */
728static image_header_t *image_get_kernel(ulong img_addr, int verify)
729{
730 image_header_t *hdr = (image_header_t *)img_addr;
731
732 if (!image_check_magic(hdr)) {
733 puts("Bad Magic Number\n");
734 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
735 return NULL;
736 }
737 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
738
739 if (!image_check_hcrc(hdr)) {
740 puts("Bad Header Checksum\n");
741 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
742 return NULL;
743 }
744
745 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
746 image_print_contents(hdr);
747
748 if (verify) {
749 puts(" Verifying Checksum ... ");
750 if (!image_check_dcrc(hdr)) {
751 printf("Bad Data CRC\n");
752 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
753 return NULL;
754 }
755 puts("OK\n");
756 }
757 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
758
759 if (!image_check_target_arch(hdr)) {
760 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
761 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
762 return NULL;
763 }
764 return hdr;
765}
766#endif
767
768/**
769 * boot_get_kernel - find kernel image
770 * @os_data: pointer to a ulong variable, will hold os data start address
771 * @os_len: pointer to a ulong variable, will hold os data length
772 *
773 * boot_get_kernel() tries to find a kernel image, verifies its integrity
774 * and locates kernel data.
775 *
776 * returns:
777 * pointer to image header if valid image was found, plus kernel start
778 * address and length, otherwise NULL
779 */
780static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
781 char * const argv[], bootm_headers_t *images,
782 ulong *os_data, ulong *os_len)
783{
784#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
785 image_header_t *hdr;
786#endif
787 ulong img_addr;
788 const void *buf;
Simon Glassb6396402014-06-12 07:24:46 -0600789 const char *fit_uname_config = NULL;
790 const char *fit_uname_kernel = NULL;
Bryan Wu6c454fe2014-08-15 16:51:38 -0700791#if defined(CONFIG_FIT)
Simon Glassb6396402014-06-12 07:24:46 -0600792 int os_noffset;
793#endif
794
Bryan Wue6c88a62014-08-15 16:51:39 -0700795 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
796 &fit_uname_config,
797 &fit_uname_kernel);
Simon Glassb6396402014-06-12 07:24:46 -0600798
799 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
800
801 /* copy from dataflash if needed */
802 img_addr = genimg_get_image(img_addr);
803
804 /* check image type, for FIT images get FIT kernel node */
805 *os_data = *os_len = 0;
806 buf = map_sysmem(img_addr, 0);
807 switch (genimg_get_format(buf)) {
808#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
809 case IMAGE_FORMAT_LEGACY:
810 printf("## Booting kernel from Legacy Image at %08lx ...\n",
811 img_addr);
812 hdr = image_get_kernel(img_addr, images->verify);
813 if (!hdr)
814 return NULL;
815 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
816
817 /* get os_data and os_len */
818 switch (image_get_type(hdr)) {
819 case IH_TYPE_KERNEL:
820 case IH_TYPE_KERNEL_NOLOAD:
821 *os_data = image_get_data(hdr);
822 *os_len = image_get_data_size(hdr);
823 break;
824 case IH_TYPE_MULTI:
825 image_multi_getimg(hdr, 0, os_data, os_len);
826 break;
827 case IH_TYPE_STANDALONE:
828 *os_data = image_get_data(hdr);
829 *os_len = image_get_data_size(hdr);
830 break;
831 default:
832 printf("Wrong Image Type for %s command\n",
833 cmdtp->name);
834 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
835 return NULL;
836 }
837
838 /*
839 * copy image header to allow for image overwrites during
840 * kernel decompression.
841 */
842 memmove(&images->legacy_hdr_os_copy, hdr,
843 sizeof(image_header_t));
844
845 /* save pointer to image header */
846 images->legacy_hdr_os = hdr;
847
848 images->legacy_hdr_valid = 1;
849 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
850 break;
851#endif
852#if defined(CONFIG_FIT)
853 case IMAGE_FORMAT_FIT:
Simon Glass126cc862014-06-12 07:24:47 -0600854 os_noffset = fit_image_load(images, img_addr,
Simon Glassb6396402014-06-12 07:24:46 -0600855 &fit_uname_kernel, &fit_uname_config,
856 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
857 BOOTSTAGE_ID_FIT_KERNEL_START,
858 FIT_LOAD_IGNORED, os_data, os_len);
859 if (os_noffset < 0)
860 return NULL;
861
862 images->fit_hdr_os = map_sysmem(img_addr, 0);
863 images->fit_uname_os = fit_uname_kernel;
864 images->fit_uname_cfg = fit_uname_config;
865 images->fit_noffset_os = os_noffset;
866 break;
867#endif
868#ifdef CONFIG_ANDROID_BOOT_IMAGE
869 case IMAGE_FORMAT_ANDROID:
870 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
Simon Glass07c0cd72014-06-12 07:24:48 -0600871 if (android_image_get_kernel(buf, images->verify,
Simon Glassb6396402014-06-12 07:24:46 -0600872 os_data, os_len))
873 return NULL;
874 break;
875#endif
876 default:
877 printf("Wrong Image Format for %s command\n", cmdtp->name);
878 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
879 return NULL;
880 }
881
882 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
883 *os_data, *os_len, *os_len);
884
885 return buf;
886}
Simon Glassce1400f2014-06-12 07:24:53 -0600887#else /* USE_HOSTCC */
888
889void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
890{
891 memmove(to, from, len);
892}
893
894static int bootm_host_load_image(const void *fit, int req_image_type)
895{
896 const char *fit_uname_config = NULL;
897 ulong data, len;
898 bootm_headers_t images;
899 int noffset;
900 ulong load_end;
901 uint8_t image_type;
902 uint8_t imape_comp;
903 void *load_buf;
904 int ret;
905
906 memset(&images, '\0', sizeof(images));
907 images.verify = 1;
908 noffset = fit_image_load(&images, (ulong)fit,
909 NULL, &fit_uname_config,
910 IH_ARCH_DEFAULT, req_image_type, -1,
911 FIT_LOAD_IGNORED, &data, &len);
912 if (noffset < 0)
913 return noffset;
914 if (fit_image_get_type(fit, noffset, &image_type)) {
915 puts("Can't get image type!\n");
916 return -EINVAL;
917 }
918
919 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
920 puts("Can't get image compression!\n");
921 return -EINVAL;
922 }
923
924 /* Allow the image to expand by a factor of 4, should be safe */
925 load_buf = malloc((1 << 20) + len * 4);
Simon Glass081cc192014-12-02 13:17:33 -0700926 ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf,
927 (void *)data, len, CONFIG_SYS_BOOTM_LEN,
928 &load_end);
Simon Glassce1400f2014-06-12 07:24:53 -0600929 free(load_buf);
Simon Glass081cc192014-12-02 13:17:33 -0700930
Simon Glassce1400f2014-06-12 07:24:53 -0600931 if (ret && ret != BOOTM_ERR_UNIMPLEMENTED)
932 return ret;
933
934 return 0;
935}
936
937int bootm_host_load_images(const void *fit, int cfg_noffset)
938{
939 static uint8_t image_types[] = {
940 IH_TYPE_KERNEL,
941 IH_TYPE_FLATDT,
942 IH_TYPE_RAMDISK,
943 };
944 int err = 0;
945 int i;
946
947 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
948 int ret;
949
950 ret = bootm_host_load_image(fit, image_types[i]);
951 if (!err && ret && ret != -ENOENT)
952 err = ret;
953 }
954
955 /* Return the first error we found */
956 return err;
957}
Simon Glassea51a622014-06-12 07:24:51 -0600958
959#endif /* ndef USE_HOSTCC */