blob: 49414142dcd207902b96a7e93a64923c121e71ba [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
Simon Glass73223f02016-02-22 22:55:43 -0700111#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600112 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);
Simon Glass73223f02016-02-22 22:55:43 -0700183#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600184 } 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
Simon Glass7a80de42016-02-24 09:14:42 -0700204 images.os.start = map_to_sysmem(os_hdr);
Simon Glassb6396402014-06-12 07:24:46 -0600205
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 Glassaa34fbc2016-02-22 22:55:45 -0700237#if IMAGE_ENABLE_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
Simon Glass73223f02016-02-22 22:55:43 -0700248#if IMAGE_ENABLE_FIT
Michal Simek62afc602016-05-17 14:03:50 +0200249#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_XILINX)
250 /* find bitstreams */
251 ret = boot_get_fpga(argc, argv, &images, IH_ARCH_DEFAULT,
252 NULL, NULL);
253 if (ret) {
254 printf("FPGA image is corrupted or invalid\n");
255 return 1;
256 }
257#endif
258
Karl Apsite84a07db2015-05-21 09:52:48 -0400259 /* find all of the loadables */
260 ret = boot_get_loadable(argc, argv, &images, IH_ARCH_DEFAULT,
261 NULL, NULL);
262 if (ret) {
263 printf("Loadable(s) is corrupt or invalid\n");
264 return 1;
265 }
Karl Apsite84a07db2015-05-21 09:52:48 -0400266#endif
267
Simon Glassb6396402014-06-12 07:24:46 -0600268 return 0;
269}
270
271static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc,
272 char * const argv[])
273{
274 if (((images.os.type == IH_TYPE_KERNEL) ||
275 (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
276 (images.os.type == IH_TYPE_MULTI)) &&
277 (images.os.os == IH_OS_LINUX ||
278 images.os.os == IH_OS_VXWORKS))
Karl Apsited52e8572015-05-21 09:52:49 -0400279 return bootm_find_images(flag, argc, argv);
Simon Glassb6396402014-06-12 07:24:46 -0600280
281 return 0;
282}
Simon Glass40e59752014-12-02 13:17:30 -0700283#endif /* USE_HOSTC */
284
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700285/**
286 * print_decomp_msg() - Print a suitable decompression/loading message
287 *
288 * @type: OS type (IH_OS_...)
289 * @comp_type: Compression type being used (IH_COMP_...)
290 * @is_xip: true if the load address matches the image start
291 */
292static void print_decomp_msg(int comp_type, int type, bool is_xip)
Simon Glass40e59752014-12-02 13:17:30 -0700293{
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700294 const char *name = genimg_get_type_name(type);
295
296 if (comp_type == IH_COMP_NONE)
297 printf(" %s %s ... ", is_xip ? "XIP" : "Loading", name);
298 else
299 printf(" Uncompressing %s ... ", name);
Simon Glass40e59752014-12-02 13:17:30 -0700300}
301
Simon Glass3086c052014-12-02 13:17:37 -0700302/**
303 * handle_decomp_error() - display a decompression error
304 *
305 * This function tries to produce a useful message. In the case where the
306 * uncompressed size is the same as the available space, we can assume that
307 * the image is too large for the buffer.
308 *
309 * @comp_type: Compression type being used (IH_COMP_...)
310 * @uncomp_size: Number of bytes uncompressed
311 * @unc_len: Amount of space available for decompression
312 * @ret: Error code to report
313 * @return BOOTM_ERR_RESET, indicating that the board must be reset
314 */
315static int handle_decomp_error(int comp_type, size_t uncomp_size,
316 size_t unc_len, int ret)
Simon Glass40e59752014-12-02 13:17:30 -0700317{
Simon Glass3086c052014-12-02 13:17:37 -0700318 const char *name = genimg_get_comp_name(comp_type);
319
320 if (uncomp_size >= unc_len)
321 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
Simon Glass40e59752014-12-02 13:17:30 -0700322 else
Simon Glass3086c052014-12-02 13:17:37 -0700323 printf("%s: uncompress error %d\n", name, ret);
324
325 /*
326 * The decompression routines are now safe, so will not write beyond
327 * their bounds. Probably it is not necessary to reset, but maintain
328 * the current behaviour for now.
329 */
330 printf("Must RESET board to recover\n");
Simon Glass40e59752014-12-02 13:17:30 -0700331#ifndef USE_HOSTCC
332 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
333#endif
334
335 return BOOTM_ERR_RESET;
336}
Simon Glassb6396402014-06-12 07:24:46 -0600337
Simon Glass081cc192014-12-02 13:17:33 -0700338int bootm_decomp_image(int comp, ulong load, ulong image_start, int type,
339 void *load_buf, void *image_buf, ulong image_len,
340 uint unc_len, ulong *load_end)
Simon Glassb6396402014-06-12 07:24:46 -0600341{
Simon Glass3086c052014-12-02 13:17:37 -0700342 int ret = 0;
343
Simon Glass2b164f12014-06-12 07:24:52 -0600344 *load_end = load;
Simon Glass8fd6a4b2014-12-02 13:17:36 -0700345 print_decomp_msg(comp, type, load == image_start);
Simon Glass3086c052014-12-02 13:17:37 -0700346
347 /*
348 * Load the image to the right place, decompressing if needed. After
349 * this, image_len will be set to the number of uncompressed bytes
350 * loaded, ret will be non-zero on error.
351 */
Simon Glassb6396402014-06-12 07:24:46 -0600352 switch (comp) {
353 case IH_COMP_NONE:
Simon Glass3086c052014-12-02 13:17:37 -0700354 if (load == image_start)
355 break;
356 if (image_len <= unc_len)
Simon Glassb6396402014-06-12 07:24:46 -0600357 memmove_wd(load_buf, image_buf, image_len, CHUNKSZ);
Simon Glass3086c052014-12-02 13:17:37 -0700358 else
359 ret = 1;
Simon Glassb6396402014-06-12 07:24:46 -0600360 break;
361#ifdef CONFIG_GZIP
Simon Glass40e59752014-12-02 13:17:30 -0700362 case IH_COMP_GZIP: {
Simon Glass40e59752014-12-02 13:17:30 -0700363 ret = gunzip(load_buf, unc_len, image_buf, &image_len);
Simon Glassb6396402014-06-12 07:24:46 -0600364 break;
Simon Glass40e59752014-12-02 13:17:30 -0700365 }
Simon Glassb6396402014-06-12 07:24:46 -0600366#endif /* CONFIG_GZIP */
367#ifdef CONFIG_BZIP2
Simon Glass40e59752014-12-02 13:17:30 -0700368 case IH_COMP_BZIP2: {
Simon Glass3086c052014-12-02 13:17:37 -0700369 uint size = unc_len;
Simon Glass40e59752014-12-02 13:17:30 -0700370
Simon Glassb6396402014-06-12 07:24:46 -0600371 /*
372 * If we've got less than 4 MB of malloc() space,
373 * use slower decompression algorithm which requires
374 * at most 2300 KB of memory.
375 */
Simon Glass3086c052014-12-02 13:17:37 -0700376 ret = BZ2_bzBuffToBuffDecompress(load_buf, &size,
Simon Glassb6396402014-06-12 07:24:46 -0600377 image_buf, image_len,
378 CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
Simon Glass3086c052014-12-02 13:17:37 -0700379 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600380 break;
Simon Glass40e59752014-12-02 13:17:30 -0700381 }
Simon Glassb6396402014-06-12 07:24:46 -0600382#endif /* CONFIG_BZIP2 */
383#ifdef CONFIG_LZMA
384 case IH_COMP_LZMA: {
385 SizeT lzma_len = unc_len;
Simon Glass2b164f12014-06-12 07:24:52 -0600386
Simon Glassb6396402014-06-12 07:24:46 -0600387 ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len,
388 image_buf, image_len);
Simon Glass3086c052014-12-02 13:17:37 -0700389 image_len = lzma_len;
Simon Glassb6396402014-06-12 07:24:46 -0600390 break;
391 }
392#endif /* CONFIG_LZMA */
393#ifdef CONFIG_LZO
394 case IH_COMP_LZO: {
395 size_t size = unc_len;
396
Simon Glassb6396402014-06-12 07:24:46 -0600397 ret = lzop_decompress(image_buf, image_len, load_buf, &size);
Simon Glass3086c052014-12-02 13:17:37 -0700398 image_len = size;
Simon Glassb6396402014-06-12 07:24:46 -0600399 break;
400 }
401#endif /* CONFIG_LZO */
Julius Werner027b7282015-10-06 20:03:53 -0700402#ifdef CONFIG_LZ4
403 case IH_COMP_LZ4: {
404 size_t size = unc_len;
405
406 ret = ulz4fn(image_buf, image_len, load_buf, &size);
407 image_len = size;
408 break;
409 }
410#endif /* CONFIG_LZ4 */
Simon Glassb6396402014-06-12 07:24:46 -0600411 default:
412 printf("Unimplemented compression type %d\n", comp);
413 return BOOTM_ERR_UNIMPLEMENTED;
414 }
415
Simon Glass3086c052014-12-02 13:17:37 -0700416 if (ret)
417 return handle_decomp_error(comp, image_len, unc_len, ret);
418 *load_end = load + image_len;
419
Simon Glass2b164f12014-06-12 07:24:52 -0600420 puts("OK\n");
421
422 return 0;
423}
424
Simon Glassce1400f2014-06-12 07:24:53 -0600425#ifndef USE_HOSTCC
Simon Glass2b164f12014-06-12 07:24:52 -0600426static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end,
427 int boot_progress)
428{
429 image_info_t os = images->os;
430 ulong load = os.load;
431 ulong blob_start = os.start;
432 ulong blob_end = os.end;
433 ulong image_start = os.image_start;
434 ulong image_len = os.image_len;
435 bool no_overlap;
436 void *load_buf, *image_buf;
437 int err;
438
439 load_buf = map_sysmem(load, 0);
440 image_buf = map_sysmem(os.image_start, image_len);
Simon Glass081cc192014-12-02 13:17:33 -0700441 err = bootm_decomp_image(os.comp, load, os.image_start, os.type,
442 load_buf, image_buf, image_len,
443 CONFIG_SYS_BOOTM_LEN, load_end);
Simon Glass2b164f12014-06-12 07:24:52 -0600444 if (err) {
445 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
446 return err;
447 }
Purna Chandra Mandal8d4f11c2016-01-20 14:07:39 +0530448 flush_cache(load, *load_end - load);
Simon Glassb6396402014-06-12 07:24:46 -0600449
Simon Glassb6396402014-06-12 07:24:46 -0600450 debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
451 bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
452
Simon Glass2b164f12014-06-12 07:24:52 -0600453 no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
454
Simon Glassb6396402014-06-12 07:24:46 -0600455 if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) {
456 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
457 blob_start, blob_end);
458 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
459 *load_end);
460
461 /* Check what type of image this is. */
462 if (images->legacy_hdr_valid) {
463 if (image_get_type(&images->legacy_hdr_os_copy)
464 == IH_TYPE_MULTI)
465 puts("WARNING: legacy format multi component image overwritten\n");
466 return BOOTM_ERR_OVERLAP;
467 } else {
468 puts("ERROR: new format image overwritten - must RESET the board to recover\n");
469 bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
470 return BOOTM_ERR_RESET;
471 }
472 }
473
474 return 0;
475}
476
477/**
478 * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
479 *
480 * @return interrupt flag (0 if interrupts were disabled, non-zero if they were
481 * enabled)
482 */
483ulong bootm_disable_interrupts(void)
484{
485 ulong iflag;
486
487 /*
488 * We have reached the point of no return: we are going to
489 * overwrite all exception vector code, so we cannot easily
490 * recover from any failures any more...
491 */
492 iflag = disable_interrupts();
493#ifdef CONFIG_NETCONSOLE
494 /* Stop the ethernet stack if NetConsole could have left it up */
495 eth_halt();
Bernhard Nortmann4917c062015-09-14 15:29:45 +0200496# ifndef CONFIG_DM_ETH
Simon Glassb6396402014-06-12 07:24:46 -0600497 eth_unregister(eth_get_dev());
Bernhard Nortmann4917c062015-09-14 15:29:45 +0200498# endif
Simon Glassb6396402014-06-12 07:24:46 -0600499#endif
500
501#if defined(CONFIG_CMD_USB)
502 /*
503 * turn off USB to prevent the host controller from writing to the
504 * SDRAM while Linux is booting. This could happen (at least for OHCI
505 * controller), because the HCCA (Host Controller Communication Area)
506 * lies within the SDRAM and the host controller writes continously to
507 * this area (as busmaster!). The HccaFrameNumber is for example
508 * updated every 1 ms within the HCCA structure in SDRAM! For more
509 * details see the OpenHCI specification.
510 */
511 usb_stop();
512#endif
513 return iflag;
514}
515
516#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
517
518#define CONSOLE_ARG "console="
519#define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1)
520
521static void fixup_silent_linux(void)
522{
523 char *buf;
524 const char *env_val;
525 char *cmdline = getenv("bootargs");
526 int want_silent;
527
528 /*
529 * Only fix cmdline when requested. The environment variable can be:
530 *
531 * no - we never fixup
532 * yes - we always fixup
533 * unset - we rely on the console silent flag
534 */
535 want_silent = getenv_yesno("silent_linux");
536 if (want_silent == 0)
537 return;
538 else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
539 return;
540
541 debug("before silent fix-up: %s\n", cmdline);
542 if (cmdline && (cmdline[0] != '\0')) {
543 char *start = strstr(cmdline, CONSOLE_ARG);
544
545 /* Allocate space for maximum possible new command line */
546 buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1);
547 if (!buf) {
548 debug("%s: out of memory\n", __func__);
549 return;
550 }
551
552 if (start) {
553 char *end = strchr(start, ' ');
554 int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN;
555
556 strncpy(buf, cmdline, num_start_bytes);
557 if (end)
558 strcpy(buf + num_start_bytes, end);
559 else
560 buf[num_start_bytes] = '\0';
561 } else {
562 sprintf(buf, "%s %s", cmdline, CONSOLE_ARG);
563 }
564 env_val = buf;
565 } else {
566 buf = NULL;
567 env_val = CONSOLE_ARG;
568 }
569
570 setenv("bootargs", env_val);
571 debug("after silent fix-up: %s\n", env_val);
572 free(buf);
573}
574#endif /* CONFIG_SILENT_CONSOLE */
575
576/**
577 * Execute selected states of the bootm command.
578 *
579 * Note the arguments to this state must be the first argument, Any 'bootm'
580 * or sub-command arguments must have already been taken.
581 *
582 * Note that if states contains more than one flag it MUST contain
583 * BOOTM_STATE_START, since this handles and consumes the command line args.
584 *
585 * Also note that aside from boot_os_fn functions and bootm_load_os no other
586 * functions we store the return value of in 'ret' may use a negative return
587 * value, without special handling.
588 *
589 * @param cmdtp Pointer to bootm command table entry
590 * @param flag Command flags (CMD_FLAG_...)
591 * @param argc Number of subcommand arguments (0 = no arguments)
592 * @param argv Arguments
593 * @param states Mask containing states to run (BOOTM_STATE_...)
594 * @param images Image header information
595 * @param boot_progress 1 to show boot progress, 0 to not do this
596 * @return 0 if ok, something else on error. Some errors will cause this
597 * function to perform a reboot! If states contains BOOTM_STATE_OS_GO
598 * then the intent is to boot an OS, so this function will not return
599 * unless the image type is standalone.
600 */
601int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
602 int states, bootm_headers_t *images, int boot_progress)
603{
604 boot_os_fn *boot_fn;
605 ulong iflag = 0;
606 int ret = 0, need_boot_fn;
607
608 images->state |= states;
609
610 /*
611 * Work through the states and see how far we get. We stop on
612 * any error.
613 */
614 if (states & BOOTM_STATE_START)
615 ret = bootm_start(cmdtp, flag, argc, argv);
616
617 if (!ret && (states & BOOTM_STATE_FINDOS))
618 ret = bootm_find_os(cmdtp, flag, argc, argv);
619
620 if (!ret && (states & BOOTM_STATE_FINDOTHER)) {
621 ret = bootm_find_other(cmdtp, flag, argc, argv);
622 argc = 0; /* consume the args */
623 }
624
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;
638#if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY)
639 if (images->os.os == IH_OS_LINUX)
640 fixup_silent_linux();
641#endif
642 }
643
644 /* Relocate the ramdisk */
645#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
646 if (!ret && (states & BOOTM_STATE_RAMDISK)) {
647 ulong rd_len = images->rd_end - images->rd_start;
648
649 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
650 rd_len, &images->initrd_start, &images->initrd_end);
651 if (!ret) {
652 setenv_hex("initrd_start", images->initrd_start);
653 setenv_hex("initrd_end", images->initrd_end);
654 }
655 }
656#endif
Simon Glassaa34fbc2016-02-22 22:55:45 -0700657#if IMAGE_ENABLE_OF_LIBFDT && defined(CONFIG_LMB)
Simon Glassb6396402014-06-12 07:24:46 -0600658 if (!ret && (states & BOOTM_STATE_FDT)) {
659 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
660 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
661 &images->ft_len);
662 }
663#endif
664
665 /* From now on, we need the OS boot function */
666 if (ret)
667 return ret;
668 boot_fn = bootm_os_get_boot_func(images->os.os);
669 need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
670 BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
671 BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
672 if (boot_fn == NULL && need_boot_fn) {
673 if (iflag)
674 enable_interrupts();
675 printf("ERROR: booting os '%s' (%d) is not supported\n",
676 genimg_get_os_name(images->os.os), images->os.os);
677 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
678 return 1;
679 }
680
681 /* Call various other states that are not generally used */
682 if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
683 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
684 if (!ret && (states & BOOTM_STATE_OS_BD_T))
685 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
686 if (!ret && (states & BOOTM_STATE_OS_PREP))
687 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
688
689#ifdef CONFIG_TRACE
690 /* Pretend to run the OS, then run a user command */
691 if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
692 char *cmd_list = getenv("fakegocmd");
693
694 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
695 images, boot_fn);
696 if (!ret && cmd_list)
697 ret = run_command_list(cmd_list, -1, flag);
698 }
699#endif
700
701 /* Check for unsupported subcommand. */
702 if (ret) {
703 puts("subcommand not supported\n");
704 return ret;
705 }
706
707 /* Now run the OS! We hope this doesn't return */
708 if (!ret && (states & BOOTM_STATE_OS_GO))
709 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
710 images, boot_fn);
711
712 /* Deal with any fallout */
713err:
714 if (iflag)
715 enable_interrupts();
716
717 if (ret == BOOTM_ERR_UNIMPLEMENTED)
718 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
719 else if (ret == BOOTM_ERR_RESET)
720 do_reset(cmdtp, flag, argc, argv);
721
722 return ret;
723}
724
725#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
726/**
727 * image_get_kernel - verify legacy format kernel image
728 * @img_addr: in RAM address of the legacy format image to be verified
729 * @verify: data CRC verification flag
730 *
731 * image_get_kernel() verifies legacy image integrity and returns pointer to
732 * legacy image header if image verification was completed successfully.
733 *
734 * returns:
735 * pointer to a legacy image header if valid image was found
736 * otherwise return NULL
737 */
738static image_header_t *image_get_kernel(ulong img_addr, int verify)
739{
740 image_header_t *hdr = (image_header_t *)img_addr;
741
742 if (!image_check_magic(hdr)) {
743 puts("Bad Magic Number\n");
744 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
745 return NULL;
746 }
747 bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
748
749 if (!image_check_hcrc(hdr)) {
750 puts("Bad Header Checksum\n");
751 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
752 return NULL;
753 }
754
755 bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
756 image_print_contents(hdr);
757
758 if (verify) {
759 puts(" Verifying Checksum ... ");
760 if (!image_check_dcrc(hdr)) {
761 printf("Bad Data CRC\n");
762 bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
763 return NULL;
764 }
765 puts("OK\n");
766 }
767 bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
768
769 if (!image_check_target_arch(hdr)) {
770 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
771 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
772 return NULL;
773 }
774 return hdr;
775}
776#endif
777
778/**
779 * boot_get_kernel - find kernel image
780 * @os_data: pointer to a ulong variable, will hold os data start address
781 * @os_len: pointer to a ulong variable, will hold os data length
782 *
783 * boot_get_kernel() tries to find a kernel image, verifies its integrity
784 * and locates kernel data.
785 *
786 * returns:
787 * pointer to image header if valid image was found, plus kernel start
788 * address and length, otherwise NULL
789 */
790static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
791 char * const argv[], bootm_headers_t *images,
792 ulong *os_data, ulong *os_len)
793{
794#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
795 image_header_t *hdr;
796#endif
797 ulong img_addr;
798 const void *buf;
Simon Glassb6396402014-06-12 07:24:46 -0600799 const char *fit_uname_config = NULL;
800 const char *fit_uname_kernel = NULL;
Simon Glass73223f02016-02-22 22:55:43 -0700801#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600802 int os_noffset;
803#endif
804
Bryan Wue6c88a62014-08-15 16:51:39 -0700805 img_addr = genimg_get_kernel_addr_fit(argc < 1 ? NULL : argv[0],
806 &fit_uname_config,
807 &fit_uname_kernel);
Simon Glassb6396402014-06-12 07:24:46 -0600808
809 bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
810
811 /* copy from dataflash if needed */
812 img_addr = genimg_get_image(img_addr);
813
814 /* check image type, for FIT images get FIT kernel node */
815 *os_data = *os_len = 0;
816 buf = map_sysmem(img_addr, 0);
817 switch (genimg_get_format(buf)) {
818#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
819 case IMAGE_FORMAT_LEGACY:
820 printf("## Booting kernel from Legacy Image at %08lx ...\n",
821 img_addr);
822 hdr = image_get_kernel(img_addr, images->verify);
823 if (!hdr)
824 return NULL;
825 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
826
827 /* get os_data and os_len */
828 switch (image_get_type(hdr)) {
829 case IH_TYPE_KERNEL:
830 case IH_TYPE_KERNEL_NOLOAD:
831 *os_data = image_get_data(hdr);
832 *os_len = image_get_data_size(hdr);
833 break;
834 case IH_TYPE_MULTI:
835 image_multi_getimg(hdr, 0, os_data, os_len);
836 break;
837 case IH_TYPE_STANDALONE:
838 *os_data = image_get_data(hdr);
839 *os_len = image_get_data_size(hdr);
840 break;
841 default:
842 printf("Wrong Image Type for %s command\n",
843 cmdtp->name);
844 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
845 return NULL;
846 }
847
848 /*
849 * copy image header to allow for image overwrites during
850 * kernel decompression.
851 */
852 memmove(&images->legacy_hdr_os_copy, hdr,
853 sizeof(image_header_t));
854
855 /* save pointer to image header */
856 images->legacy_hdr_os = hdr;
857
858 images->legacy_hdr_valid = 1;
859 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
860 break;
861#endif
Simon Glass73223f02016-02-22 22:55:43 -0700862#if IMAGE_ENABLE_FIT
Simon Glassb6396402014-06-12 07:24:46 -0600863 case IMAGE_FORMAT_FIT:
Simon Glass126cc862014-06-12 07:24:47 -0600864 os_noffset = fit_image_load(images, img_addr,
Simon Glassb6396402014-06-12 07:24:46 -0600865 &fit_uname_kernel, &fit_uname_config,
866 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
867 BOOTSTAGE_ID_FIT_KERNEL_START,
868 FIT_LOAD_IGNORED, os_data, os_len);
869 if (os_noffset < 0)
870 return NULL;
871
872 images->fit_hdr_os = map_sysmem(img_addr, 0);
873 images->fit_uname_os = fit_uname_kernel;
874 images->fit_uname_cfg = fit_uname_config;
875 images->fit_noffset_os = os_noffset;
876 break;
877#endif
878#ifdef CONFIG_ANDROID_BOOT_IMAGE
879 case IMAGE_FORMAT_ANDROID:
880 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
Simon Glass07c0cd72014-06-12 07:24:48 -0600881 if (android_image_get_kernel(buf, images->verify,
Simon Glassb6396402014-06-12 07:24:46 -0600882 os_data, os_len))
883 return NULL;
884 break;
885#endif
886 default:
887 printf("Wrong Image Format for %s command\n", cmdtp->name);
888 bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
889 return NULL;
890 }
891
892 debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
893 *os_data, *os_len, *os_len);
894
895 return buf;
896}
Simon Glassce1400f2014-06-12 07:24:53 -0600897#else /* USE_HOSTCC */
898
899void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
900{
901 memmove(to, from, len);
902}
903
904static int bootm_host_load_image(const void *fit, int req_image_type)
905{
906 const char *fit_uname_config = NULL;
907 ulong data, len;
908 bootm_headers_t images;
909 int noffset;
910 ulong load_end;
911 uint8_t image_type;
912 uint8_t imape_comp;
913 void *load_buf;
914 int ret;
915
916 memset(&images, '\0', sizeof(images));
917 images.verify = 1;
918 noffset = fit_image_load(&images, (ulong)fit,
919 NULL, &fit_uname_config,
920 IH_ARCH_DEFAULT, req_image_type, -1,
921 FIT_LOAD_IGNORED, &data, &len);
922 if (noffset < 0)
923 return noffset;
924 if (fit_image_get_type(fit, noffset, &image_type)) {
925 puts("Can't get image type!\n");
926 return -EINVAL;
927 }
928
929 if (fit_image_get_comp(fit, noffset, &imape_comp)) {
930 puts("Can't get image compression!\n");
931 return -EINVAL;
932 }
933
934 /* Allow the image to expand by a factor of 4, should be safe */
935 load_buf = malloc((1 << 20) + len * 4);
Simon Glass081cc192014-12-02 13:17:33 -0700936 ret = bootm_decomp_image(imape_comp, 0, data, image_type, load_buf,
937 (void *)data, len, CONFIG_SYS_BOOTM_LEN,
938 &load_end);
Simon Glassce1400f2014-06-12 07:24:53 -0600939 free(load_buf);
Simon Glass081cc192014-12-02 13:17:33 -0700940
Simon Glassce1400f2014-06-12 07:24:53 -0600941 if (ret && ret != BOOTM_ERR_UNIMPLEMENTED)
942 return ret;
943
944 return 0;
945}
946
947int bootm_host_load_images(const void *fit, int cfg_noffset)
948{
949 static uint8_t image_types[] = {
950 IH_TYPE_KERNEL,
951 IH_TYPE_FLATDT,
952 IH_TYPE_RAMDISK,
953 };
954 int err = 0;
955 int i;
956
957 for (i = 0; i < ARRAY_SIZE(image_types); i++) {
958 int ret;
959
960 ret = bootm_host_load_image(fit, image_types[i]);
961 if (!err && ret && ret != -ENOENT)
962 err = ret;
963 }
964
965 /* Return the first error we found */
966 return err;
967}
Simon Glassea51a622014-06-12 07:24:51 -0600968
969#endif /* ndef USE_HOSTCC */