Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 1 | /* |
| 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 Glass | ea51a62 | 2014-06-12 07:24:51 -0600 | [diff] [blame] | 8 | #ifndef USE_HOSTCC |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 9 | #include <common.h> |
Simon Glass | ea51a62 | 2014-06-12 07:24:51 -0600 | [diff] [blame] | 10 | #include <bootstage.h> |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 11 | #include <bzlib.h> |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 12 | #include <fdt_support.h> |
| 13 | #include <lmb.h> |
| 14 | #include <malloc.h> |
| 15 | #include <asm/io.h> |
| 16 | #include <linux/lzo.h> |
| 17 | #include <lzma/LzmaTypes.h> |
| 18 | #include <lzma/LzmaDec.h> |
| 19 | #include <lzma/LzmaTools.h> |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 20 | #if defined(CONFIG_CMD_USB) |
| 21 | #include <usb.h> |
| 22 | #endif |
Simon Glass | ea51a62 | 2014-06-12 07:24:51 -0600 | [diff] [blame] | 23 | #else |
| 24 | #include "mkimage.h" |
| 25 | #endif |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 26 | |
Simon Glass | ea51a62 | 2014-06-12 07:24:51 -0600 | [diff] [blame] | 27 | #include <command.h> |
| 28 | #include <bootm.h> |
| 29 | #include <image.h> |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 30 | |
| 31 | #ifndef CONFIG_SYS_BOOTM_LEN |
| 32 | /* use 8MByte as default max gunzip size */ |
| 33 | #define CONFIG_SYS_BOOTM_LEN 0x800000 |
| 34 | #endif |
| 35 | |
| 36 | #define IH_INITRD_ARCH IH_ARCH_DEFAULT |
| 37 | |
Simon Glass | ea51a62 | 2014-06-12 07:24:51 -0600 | [diff] [blame] | 38 | #ifndef USE_HOSTCC |
| 39 | |
| 40 | DECLARE_GLOBAL_DATA_PTR; |
| 41 | |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 42 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
| 43 | char * const argv[], bootm_headers_t *images, |
| 44 | ulong *os_data, ulong *os_len); |
| 45 | |
| 46 | #ifdef CONFIG_LMB |
| 47 | static void boot_start_lmb(bootm_headers_t *images) |
| 48 | { |
| 49 | ulong mem_start; |
| 50 | phys_size_t mem_size; |
| 51 | |
| 52 | lmb_init(&images->lmb); |
| 53 | |
| 54 | mem_start = getenv_bootm_low(); |
| 55 | mem_size = getenv_bootm_size(); |
| 56 | |
| 57 | lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); |
| 58 | |
| 59 | arch_lmb_reserve(&images->lmb); |
| 60 | board_lmb_reserve(&images->lmb); |
| 61 | } |
| 62 | #else |
| 63 | #define lmb_reserve(lmb, base, size) |
| 64 | static inline void boot_start_lmb(bootm_headers_t *images) { } |
| 65 | #endif |
| 66 | |
| 67 | static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, |
| 68 | char * const argv[]) |
| 69 | { |
| 70 | memset((void *)&images, 0, sizeof(images)); |
| 71 | images.verify = getenv_yesno("verify"); |
| 72 | |
| 73 | boot_start_lmb(&images); |
| 74 | |
| 75 | bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start"); |
| 76 | images.state = BOOTM_STATE_START; |
| 77 | |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc, |
| 82 | char * const argv[]) |
| 83 | { |
| 84 | const void *os_hdr; |
| 85 | bool ep_found = false; |
| 86 | |
| 87 | /* get kernel image header, start address and length */ |
| 88 | os_hdr = boot_get_kernel(cmdtp, flag, argc, argv, |
| 89 | &images, &images.os.image_start, &images.os.image_len); |
| 90 | if (images.os.image_len == 0) { |
| 91 | puts("ERROR: can't get kernel image!\n"); |
| 92 | return 1; |
| 93 | } |
| 94 | |
| 95 | /* get image parameters */ |
| 96 | switch (genimg_get_format(os_hdr)) { |
| 97 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
| 98 | case IMAGE_FORMAT_LEGACY: |
| 99 | images.os.type = image_get_type(os_hdr); |
| 100 | images.os.comp = image_get_comp(os_hdr); |
| 101 | images.os.os = image_get_os(os_hdr); |
| 102 | |
| 103 | images.os.end = image_get_image_end(os_hdr); |
| 104 | images.os.load = image_get_load(os_hdr); |
| 105 | break; |
| 106 | #endif |
| 107 | #if defined(CONFIG_FIT) |
| 108 | case IMAGE_FORMAT_FIT: |
| 109 | if (fit_image_get_type(images.fit_hdr_os, |
| 110 | images.fit_noffset_os, |
| 111 | &images.os.type)) { |
| 112 | puts("Can't get image type!\n"); |
| 113 | bootstage_error(BOOTSTAGE_ID_FIT_TYPE); |
| 114 | return 1; |
| 115 | } |
| 116 | |
| 117 | if (fit_image_get_comp(images.fit_hdr_os, |
| 118 | images.fit_noffset_os, |
| 119 | &images.os.comp)) { |
| 120 | puts("Can't get image compression!\n"); |
| 121 | bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION); |
| 122 | return 1; |
| 123 | } |
| 124 | |
| 125 | if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os, |
| 126 | &images.os.os)) { |
| 127 | puts("Can't get image OS!\n"); |
| 128 | bootstage_error(BOOTSTAGE_ID_FIT_OS); |
| 129 | return 1; |
| 130 | } |
| 131 | |
| 132 | images.os.end = fit_get_end(images.fit_hdr_os); |
| 133 | |
| 134 | if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os, |
| 135 | &images.os.load)) { |
| 136 | puts("Can't get image load address!\n"); |
| 137 | bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR); |
| 138 | return 1; |
| 139 | } |
| 140 | break; |
| 141 | #endif |
| 142 | #ifdef CONFIG_ANDROID_BOOT_IMAGE |
| 143 | case IMAGE_FORMAT_ANDROID: |
| 144 | images.os.type = IH_TYPE_KERNEL; |
| 145 | images.os.comp = IH_COMP_NONE; |
| 146 | images.os.os = IH_OS_LINUX; |
| 147 | images.ep = images.os.load; |
| 148 | ep_found = true; |
| 149 | |
| 150 | images.os.end = android_image_get_end(os_hdr); |
| 151 | images.os.load = android_image_get_kload(os_hdr); |
| 152 | break; |
| 153 | #endif |
| 154 | default: |
| 155 | puts("ERROR: unknown image format type!\n"); |
| 156 | return 1; |
| 157 | } |
| 158 | |
| 159 | /* find kernel entry point */ |
| 160 | if (images.legacy_hdr_valid) { |
| 161 | images.ep = image_get_ep(&images.legacy_hdr_os_copy); |
| 162 | #if defined(CONFIG_FIT) |
| 163 | } else if (images.fit_uname_os) { |
| 164 | int ret; |
| 165 | |
| 166 | ret = fit_image_get_entry(images.fit_hdr_os, |
| 167 | images.fit_noffset_os, &images.ep); |
| 168 | if (ret) { |
| 169 | puts("Can't get entry point property!\n"); |
| 170 | return 1; |
| 171 | } |
| 172 | #endif |
| 173 | } else if (!ep_found) { |
| 174 | puts("Could not find kernel entry point!\n"); |
| 175 | return 1; |
| 176 | } |
| 177 | |
| 178 | if (images.os.type == IH_TYPE_KERNEL_NOLOAD) { |
| 179 | images.os.load = images.os.image_start; |
| 180 | images.ep += images.os.load; |
| 181 | } |
| 182 | |
| 183 | images.os.start = (ulong)os_hdr; |
| 184 | |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | static int bootm_find_ramdisk(int flag, int argc, char * const argv[]) |
| 189 | { |
| 190 | int ret; |
| 191 | |
| 192 | /* find ramdisk */ |
| 193 | ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH, |
| 194 | &images.rd_start, &images.rd_end); |
| 195 | if (ret) { |
| 196 | puts("Ramdisk image is corrupt or invalid\n"); |
| 197 | return 1; |
| 198 | } |
| 199 | |
| 200 | return 0; |
| 201 | } |
| 202 | |
| 203 | #if defined(CONFIG_OF_LIBFDT) |
| 204 | static int bootm_find_fdt(int flag, int argc, char * const argv[]) |
| 205 | { |
| 206 | int ret; |
| 207 | |
| 208 | /* find flattened device tree */ |
| 209 | ret = boot_get_fdt(flag, argc, argv, IH_ARCH_DEFAULT, &images, |
| 210 | &images.ft_addr, &images.ft_len); |
| 211 | if (ret) { |
| 212 | puts("Could not find a valid device tree\n"); |
| 213 | return 1; |
| 214 | } |
| 215 | |
| 216 | set_working_fdt_addr(images.ft_addr); |
| 217 | |
| 218 | return 0; |
| 219 | } |
| 220 | #endif |
| 221 | |
| 222 | int bootm_find_ramdisk_fdt(int flag, int argc, char * const argv[]) |
| 223 | { |
| 224 | if (bootm_find_ramdisk(flag, argc, argv)) |
| 225 | return 1; |
| 226 | |
| 227 | #if defined(CONFIG_OF_LIBFDT) |
| 228 | if (bootm_find_fdt(flag, argc, argv)) |
| 229 | return 1; |
| 230 | #endif |
| 231 | |
| 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | static int bootm_find_other(cmd_tbl_t *cmdtp, int flag, int argc, |
| 236 | char * const argv[]) |
| 237 | { |
| 238 | if (((images.os.type == IH_TYPE_KERNEL) || |
| 239 | (images.os.type == IH_TYPE_KERNEL_NOLOAD) || |
| 240 | (images.os.type == IH_TYPE_MULTI)) && |
| 241 | (images.os.os == IH_OS_LINUX || |
| 242 | images.os.os == IH_OS_VXWORKS)) |
| 243 | return bootm_find_ramdisk_fdt(flag, argc, argv); |
| 244 | |
| 245 | return 0; |
| 246 | } |
| 247 | |
Simon Glass | 2b164f1 | 2014-06-12 07:24:52 -0600 | [diff] [blame^] | 248 | /** |
| 249 | * decomp_image() - decompress the operating system |
| 250 | * |
| 251 | * @comp: Compression algorithm that is used (IH_COMP_...) |
| 252 | * @load: Destination load address in U-Boot memory |
| 253 | * @image_start Image start address (where we are decompressing from) |
| 254 | * @type: OS type (IH_OS_...) |
| 255 | * @load_bug: Place to decompress to |
| 256 | * @image_buf: Address to decompress from |
| 257 | * @return 0 if OK, -ve on error (BOOTM_ERR_...) |
| 258 | */ |
| 259 | static int decomp_image(int comp, ulong load, ulong image_start, int type, |
| 260 | void *load_buf, void *image_buf, ulong image_len, |
| 261 | ulong *load_end) |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 262 | { |
Simon Glass | 2b164f1 | 2014-06-12 07:24:52 -0600 | [diff] [blame^] | 263 | const char *type_name = genimg_get_type_name(type); |
| 264 | __attribute__((unused)) uint unc_len = CONFIG_SYS_BOOTM_LEN; |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 265 | |
Simon Glass | 2b164f1 | 2014-06-12 07:24:52 -0600 | [diff] [blame^] | 266 | *load_end = load; |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 267 | switch (comp) { |
| 268 | case IH_COMP_NONE: |
| 269 | if (load == image_start) { |
| 270 | printf(" XIP %s ... ", type_name); |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 271 | } else { |
| 272 | printf(" Loading %s ... ", type_name); |
| 273 | memmove_wd(load_buf, image_buf, image_len, CHUNKSZ); |
| 274 | } |
| 275 | *load_end = load + image_len; |
| 276 | break; |
| 277 | #ifdef CONFIG_GZIP |
| 278 | case IH_COMP_GZIP: |
| 279 | printf(" Uncompressing %s ... ", type_name); |
| 280 | if (gunzip(load_buf, unc_len, image_buf, &image_len) != 0) { |
| 281 | puts("GUNZIP: uncompress, out-of-mem or overwrite error - must RESET board to recover\n"); |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 282 | return BOOTM_ERR_RESET; |
| 283 | } |
| 284 | |
| 285 | *load_end = load + image_len; |
| 286 | break; |
| 287 | #endif /* CONFIG_GZIP */ |
| 288 | #ifdef CONFIG_BZIP2 |
| 289 | case IH_COMP_BZIP2: |
| 290 | printf(" Uncompressing %s ... ", type_name); |
| 291 | /* |
| 292 | * If we've got less than 4 MB of malloc() space, |
| 293 | * use slower decompression algorithm which requires |
| 294 | * at most 2300 KB of memory. |
| 295 | */ |
| 296 | int i = BZ2_bzBuffToBuffDecompress(load_buf, &unc_len, |
| 297 | image_buf, image_len, |
| 298 | CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0); |
| 299 | if (i != BZ_OK) { |
| 300 | printf("BUNZIP2: uncompress or overwrite error %d - must RESET board to recover\n", |
| 301 | i); |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 302 | return BOOTM_ERR_RESET; |
| 303 | } |
| 304 | |
| 305 | *load_end = load + unc_len; |
| 306 | break; |
| 307 | #endif /* CONFIG_BZIP2 */ |
| 308 | #ifdef CONFIG_LZMA |
| 309 | case IH_COMP_LZMA: { |
| 310 | SizeT lzma_len = unc_len; |
Simon Glass | 2b164f1 | 2014-06-12 07:24:52 -0600 | [diff] [blame^] | 311 | int ret; |
| 312 | |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 313 | printf(" Uncompressing %s ... ", type_name); |
| 314 | |
| 315 | ret = lzmaBuffToBuffDecompress(load_buf, &lzma_len, |
| 316 | image_buf, image_len); |
| 317 | unc_len = lzma_len; |
| 318 | if (ret != SZ_OK) { |
| 319 | printf("LZMA: uncompress or overwrite error %d - must RESET board to recover\n", |
| 320 | ret); |
| 321 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
| 322 | return BOOTM_ERR_RESET; |
| 323 | } |
| 324 | *load_end = load + unc_len; |
| 325 | break; |
| 326 | } |
| 327 | #endif /* CONFIG_LZMA */ |
| 328 | #ifdef CONFIG_LZO |
| 329 | case IH_COMP_LZO: { |
| 330 | size_t size = unc_len; |
Simon Glass | 2b164f1 | 2014-06-12 07:24:52 -0600 | [diff] [blame^] | 331 | int ret; |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 332 | |
| 333 | printf(" Uncompressing %s ... ", type_name); |
| 334 | |
| 335 | ret = lzop_decompress(image_buf, image_len, load_buf, &size); |
| 336 | if (ret != LZO_E_OK) { |
| 337 | printf("LZO: uncompress or overwrite error %d - must RESET board to recover\n", |
| 338 | ret); |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 339 | return BOOTM_ERR_RESET; |
| 340 | } |
| 341 | |
| 342 | *load_end = load + size; |
| 343 | break; |
| 344 | } |
| 345 | #endif /* CONFIG_LZO */ |
| 346 | default: |
| 347 | printf("Unimplemented compression type %d\n", comp); |
| 348 | return BOOTM_ERR_UNIMPLEMENTED; |
| 349 | } |
| 350 | |
Simon Glass | 2b164f1 | 2014-06-12 07:24:52 -0600 | [diff] [blame^] | 351 | puts("OK\n"); |
| 352 | |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | static int bootm_load_os(bootm_headers_t *images, unsigned long *load_end, |
| 357 | int boot_progress) |
| 358 | { |
| 359 | image_info_t os = images->os; |
| 360 | ulong load = os.load; |
| 361 | ulong blob_start = os.start; |
| 362 | ulong blob_end = os.end; |
| 363 | ulong image_start = os.image_start; |
| 364 | ulong image_len = os.image_len; |
| 365 | bool no_overlap; |
| 366 | void *load_buf, *image_buf; |
| 367 | int err; |
| 368 | |
| 369 | load_buf = map_sysmem(load, 0); |
| 370 | image_buf = map_sysmem(os.image_start, image_len); |
| 371 | err = decomp_image(os.comp, load, os.image_start, os.type, load_buf, |
| 372 | image_buf, image_len, load_end); |
| 373 | if (err) { |
| 374 | bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE); |
| 375 | return err; |
| 376 | } |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 377 | flush_cache(load, (*load_end - load) * sizeof(ulong)); |
| 378 | |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 379 | debug(" kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end); |
| 380 | bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED); |
| 381 | |
Simon Glass | 2b164f1 | 2014-06-12 07:24:52 -0600 | [diff] [blame^] | 382 | no_overlap = (os.comp == IH_COMP_NONE && load == image_start); |
| 383 | |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 384 | if (!no_overlap && (load < blob_end) && (*load_end > blob_start)) { |
| 385 | debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n", |
| 386 | blob_start, blob_end); |
| 387 | debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load, |
| 388 | *load_end); |
| 389 | |
| 390 | /* Check what type of image this is. */ |
| 391 | if (images->legacy_hdr_valid) { |
| 392 | if (image_get_type(&images->legacy_hdr_os_copy) |
| 393 | == IH_TYPE_MULTI) |
| 394 | puts("WARNING: legacy format multi component image overwritten\n"); |
| 395 | return BOOTM_ERR_OVERLAP; |
| 396 | } else { |
| 397 | puts("ERROR: new format image overwritten - must RESET the board to recover\n"); |
| 398 | bootstage_error(BOOTSTAGE_ID_OVERWRITTEN); |
| 399 | return BOOTM_ERR_RESET; |
| 400 | } |
| 401 | } |
| 402 | |
| 403 | return 0; |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot |
| 408 | * |
| 409 | * @return interrupt flag (0 if interrupts were disabled, non-zero if they were |
| 410 | * enabled) |
| 411 | */ |
| 412 | ulong bootm_disable_interrupts(void) |
| 413 | { |
| 414 | ulong iflag; |
| 415 | |
| 416 | /* |
| 417 | * We have reached the point of no return: we are going to |
| 418 | * overwrite all exception vector code, so we cannot easily |
| 419 | * recover from any failures any more... |
| 420 | */ |
| 421 | iflag = disable_interrupts(); |
| 422 | #ifdef CONFIG_NETCONSOLE |
| 423 | /* Stop the ethernet stack if NetConsole could have left it up */ |
| 424 | eth_halt(); |
| 425 | eth_unregister(eth_get_dev()); |
| 426 | #endif |
| 427 | |
| 428 | #if defined(CONFIG_CMD_USB) |
| 429 | /* |
| 430 | * turn off USB to prevent the host controller from writing to the |
| 431 | * SDRAM while Linux is booting. This could happen (at least for OHCI |
| 432 | * controller), because the HCCA (Host Controller Communication Area) |
| 433 | * lies within the SDRAM and the host controller writes continously to |
| 434 | * this area (as busmaster!). The HccaFrameNumber is for example |
| 435 | * updated every 1 ms within the HCCA structure in SDRAM! For more |
| 436 | * details see the OpenHCI specification. |
| 437 | */ |
| 438 | usb_stop(); |
| 439 | #endif |
| 440 | return iflag; |
| 441 | } |
| 442 | |
| 443 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
| 444 | |
| 445 | #define CONSOLE_ARG "console=" |
| 446 | #define CONSOLE_ARG_LEN (sizeof(CONSOLE_ARG) - 1) |
| 447 | |
| 448 | static void fixup_silent_linux(void) |
| 449 | { |
| 450 | char *buf; |
| 451 | const char *env_val; |
| 452 | char *cmdline = getenv("bootargs"); |
| 453 | int want_silent; |
| 454 | |
| 455 | /* |
| 456 | * Only fix cmdline when requested. The environment variable can be: |
| 457 | * |
| 458 | * no - we never fixup |
| 459 | * yes - we always fixup |
| 460 | * unset - we rely on the console silent flag |
| 461 | */ |
| 462 | want_silent = getenv_yesno("silent_linux"); |
| 463 | if (want_silent == 0) |
| 464 | return; |
| 465 | else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT)) |
| 466 | return; |
| 467 | |
| 468 | debug("before silent fix-up: %s\n", cmdline); |
| 469 | if (cmdline && (cmdline[0] != '\0')) { |
| 470 | char *start = strstr(cmdline, CONSOLE_ARG); |
| 471 | |
| 472 | /* Allocate space for maximum possible new command line */ |
| 473 | buf = malloc(strlen(cmdline) + 1 + CONSOLE_ARG_LEN + 1); |
| 474 | if (!buf) { |
| 475 | debug("%s: out of memory\n", __func__); |
| 476 | return; |
| 477 | } |
| 478 | |
| 479 | if (start) { |
| 480 | char *end = strchr(start, ' '); |
| 481 | int num_start_bytes = start - cmdline + CONSOLE_ARG_LEN; |
| 482 | |
| 483 | strncpy(buf, cmdline, num_start_bytes); |
| 484 | if (end) |
| 485 | strcpy(buf + num_start_bytes, end); |
| 486 | else |
| 487 | buf[num_start_bytes] = '\0'; |
| 488 | } else { |
| 489 | sprintf(buf, "%s %s", cmdline, CONSOLE_ARG); |
| 490 | } |
| 491 | env_val = buf; |
| 492 | } else { |
| 493 | buf = NULL; |
| 494 | env_val = CONSOLE_ARG; |
| 495 | } |
| 496 | |
| 497 | setenv("bootargs", env_val); |
| 498 | debug("after silent fix-up: %s\n", env_val); |
| 499 | free(buf); |
| 500 | } |
| 501 | #endif /* CONFIG_SILENT_CONSOLE */ |
| 502 | |
| 503 | /** |
| 504 | * Execute selected states of the bootm command. |
| 505 | * |
| 506 | * Note the arguments to this state must be the first argument, Any 'bootm' |
| 507 | * or sub-command arguments must have already been taken. |
| 508 | * |
| 509 | * Note that if states contains more than one flag it MUST contain |
| 510 | * BOOTM_STATE_START, since this handles and consumes the command line args. |
| 511 | * |
| 512 | * Also note that aside from boot_os_fn functions and bootm_load_os no other |
| 513 | * functions we store the return value of in 'ret' may use a negative return |
| 514 | * value, without special handling. |
| 515 | * |
| 516 | * @param cmdtp Pointer to bootm command table entry |
| 517 | * @param flag Command flags (CMD_FLAG_...) |
| 518 | * @param argc Number of subcommand arguments (0 = no arguments) |
| 519 | * @param argv Arguments |
| 520 | * @param states Mask containing states to run (BOOTM_STATE_...) |
| 521 | * @param images Image header information |
| 522 | * @param boot_progress 1 to show boot progress, 0 to not do this |
| 523 | * @return 0 if ok, something else on error. Some errors will cause this |
| 524 | * function to perform a reboot! If states contains BOOTM_STATE_OS_GO |
| 525 | * then the intent is to boot an OS, so this function will not return |
| 526 | * unless the image type is standalone. |
| 527 | */ |
| 528 | int do_bootm_states(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[], |
| 529 | int states, bootm_headers_t *images, int boot_progress) |
| 530 | { |
| 531 | boot_os_fn *boot_fn; |
| 532 | ulong iflag = 0; |
| 533 | int ret = 0, need_boot_fn; |
| 534 | |
| 535 | images->state |= states; |
| 536 | |
| 537 | /* |
| 538 | * Work through the states and see how far we get. We stop on |
| 539 | * any error. |
| 540 | */ |
| 541 | if (states & BOOTM_STATE_START) |
| 542 | ret = bootm_start(cmdtp, flag, argc, argv); |
| 543 | |
| 544 | if (!ret && (states & BOOTM_STATE_FINDOS)) |
| 545 | ret = bootm_find_os(cmdtp, flag, argc, argv); |
| 546 | |
| 547 | if (!ret && (states & BOOTM_STATE_FINDOTHER)) { |
| 548 | ret = bootm_find_other(cmdtp, flag, argc, argv); |
| 549 | argc = 0; /* consume the args */ |
| 550 | } |
| 551 | |
| 552 | /* Load the OS */ |
| 553 | if (!ret && (states & BOOTM_STATE_LOADOS)) { |
| 554 | ulong load_end; |
| 555 | |
| 556 | iflag = bootm_disable_interrupts(); |
| 557 | ret = bootm_load_os(images, &load_end, 0); |
| 558 | if (ret == 0) |
| 559 | lmb_reserve(&images->lmb, images->os.load, |
| 560 | (load_end - images->os.load)); |
| 561 | else if (ret && ret != BOOTM_ERR_OVERLAP) |
| 562 | goto err; |
| 563 | else if (ret == BOOTM_ERR_OVERLAP) |
| 564 | ret = 0; |
| 565 | #if defined(CONFIG_SILENT_CONSOLE) && !defined(CONFIG_SILENT_U_BOOT_ONLY) |
| 566 | if (images->os.os == IH_OS_LINUX) |
| 567 | fixup_silent_linux(); |
| 568 | #endif |
| 569 | } |
| 570 | |
| 571 | /* Relocate the ramdisk */ |
| 572 | #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH |
| 573 | if (!ret && (states & BOOTM_STATE_RAMDISK)) { |
| 574 | ulong rd_len = images->rd_end - images->rd_start; |
| 575 | |
| 576 | ret = boot_ramdisk_high(&images->lmb, images->rd_start, |
| 577 | rd_len, &images->initrd_start, &images->initrd_end); |
| 578 | if (!ret) { |
| 579 | setenv_hex("initrd_start", images->initrd_start); |
| 580 | setenv_hex("initrd_end", images->initrd_end); |
| 581 | } |
| 582 | } |
| 583 | #endif |
| 584 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_LMB) |
| 585 | if (!ret && (states & BOOTM_STATE_FDT)) { |
| 586 | boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); |
| 587 | ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, |
| 588 | &images->ft_len); |
| 589 | } |
| 590 | #endif |
| 591 | |
| 592 | /* From now on, we need the OS boot function */ |
| 593 | if (ret) |
| 594 | return ret; |
| 595 | boot_fn = bootm_os_get_boot_func(images->os.os); |
| 596 | need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE | |
| 597 | BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP | |
| 598 | BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO); |
| 599 | if (boot_fn == NULL && need_boot_fn) { |
| 600 | if (iflag) |
| 601 | enable_interrupts(); |
| 602 | printf("ERROR: booting os '%s' (%d) is not supported\n", |
| 603 | genimg_get_os_name(images->os.os), images->os.os); |
| 604 | bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS); |
| 605 | return 1; |
| 606 | } |
| 607 | |
| 608 | /* Call various other states that are not generally used */ |
| 609 | if (!ret && (states & BOOTM_STATE_OS_CMDLINE)) |
| 610 | ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images); |
| 611 | if (!ret && (states & BOOTM_STATE_OS_BD_T)) |
| 612 | ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images); |
| 613 | if (!ret && (states & BOOTM_STATE_OS_PREP)) |
| 614 | ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images); |
| 615 | |
| 616 | #ifdef CONFIG_TRACE |
| 617 | /* Pretend to run the OS, then run a user command */ |
| 618 | if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) { |
| 619 | char *cmd_list = getenv("fakegocmd"); |
| 620 | |
| 621 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO, |
| 622 | images, boot_fn); |
| 623 | if (!ret && cmd_list) |
| 624 | ret = run_command_list(cmd_list, -1, flag); |
| 625 | } |
| 626 | #endif |
| 627 | |
| 628 | /* Check for unsupported subcommand. */ |
| 629 | if (ret) { |
| 630 | puts("subcommand not supported\n"); |
| 631 | return ret; |
| 632 | } |
| 633 | |
| 634 | /* Now run the OS! We hope this doesn't return */ |
| 635 | if (!ret && (states & BOOTM_STATE_OS_GO)) |
| 636 | ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO, |
| 637 | images, boot_fn); |
| 638 | |
| 639 | /* Deal with any fallout */ |
| 640 | err: |
| 641 | if (iflag) |
| 642 | enable_interrupts(); |
| 643 | |
| 644 | if (ret == BOOTM_ERR_UNIMPLEMENTED) |
| 645 | bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL); |
| 646 | else if (ret == BOOTM_ERR_RESET) |
| 647 | do_reset(cmdtp, flag, argc, argv); |
| 648 | |
| 649 | return ret; |
| 650 | } |
| 651 | |
| 652 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
| 653 | /** |
| 654 | * image_get_kernel - verify legacy format kernel image |
| 655 | * @img_addr: in RAM address of the legacy format image to be verified |
| 656 | * @verify: data CRC verification flag |
| 657 | * |
| 658 | * image_get_kernel() verifies legacy image integrity and returns pointer to |
| 659 | * legacy image header if image verification was completed successfully. |
| 660 | * |
| 661 | * returns: |
| 662 | * pointer to a legacy image header if valid image was found |
| 663 | * otherwise return NULL |
| 664 | */ |
| 665 | static image_header_t *image_get_kernel(ulong img_addr, int verify) |
| 666 | { |
| 667 | image_header_t *hdr = (image_header_t *)img_addr; |
| 668 | |
| 669 | if (!image_check_magic(hdr)) { |
| 670 | puts("Bad Magic Number\n"); |
| 671 | bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC); |
| 672 | return NULL; |
| 673 | } |
| 674 | bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER); |
| 675 | |
| 676 | if (!image_check_hcrc(hdr)) { |
| 677 | puts("Bad Header Checksum\n"); |
| 678 | bootstage_error(BOOTSTAGE_ID_CHECK_HEADER); |
| 679 | return NULL; |
| 680 | } |
| 681 | |
| 682 | bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM); |
| 683 | image_print_contents(hdr); |
| 684 | |
| 685 | if (verify) { |
| 686 | puts(" Verifying Checksum ... "); |
| 687 | if (!image_check_dcrc(hdr)) { |
| 688 | printf("Bad Data CRC\n"); |
| 689 | bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM); |
| 690 | return NULL; |
| 691 | } |
| 692 | puts("OK\n"); |
| 693 | } |
| 694 | bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH); |
| 695 | |
| 696 | if (!image_check_target_arch(hdr)) { |
| 697 | printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr)); |
| 698 | bootstage_error(BOOTSTAGE_ID_CHECK_ARCH); |
| 699 | return NULL; |
| 700 | } |
| 701 | return hdr; |
| 702 | } |
| 703 | #endif |
| 704 | |
| 705 | /** |
| 706 | * boot_get_kernel - find kernel image |
| 707 | * @os_data: pointer to a ulong variable, will hold os data start address |
| 708 | * @os_len: pointer to a ulong variable, will hold os data length |
| 709 | * |
| 710 | * boot_get_kernel() tries to find a kernel image, verifies its integrity |
| 711 | * and locates kernel data. |
| 712 | * |
| 713 | * returns: |
| 714 | * pointer to image header if valid image was found, plus kernel start |
| 715 | * address and length, otherwise NULL |
| 716 | */ |
| 717 | static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc, |
| 718 | char * const argv[], bootm_headers_t *images, |
| 719 | ulong *os_data, ulong *os_len) |
| 720 | { |
| 721 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
| 722 | image_header_t *hdr; |
| 723 | #endif |
| 724 | ulong img_addr; |
| 725 | const void *buf; |
| 726 | #if defined(CONFIG_FIT) |
| 727 | const char *fit_uname_config = NULL; |
| 728 | const char *fit_uname_kernel = NULL; |
| 729 | int os_noffset; |
| 730 | #endif |
| 731 | |
| 732 | /* find out kernel image address */ |
| 733 | if (argc < 1) { |
| 734 | img_addr = load_addr; |
| 735 | debug("* kernel: default image load address = 0x%08lx\n", |
| 736 | load_addr); |
| 737 | #if defined(CONFIG_FIT) |
| 738 | } else if (fit_parse_conf(argv[0], load_addr, &img_addr, |
| 739 | &fit_uname_config)) { |
| 740 | debug("* kernel: config '%s' from image at 0x%08lx\n", |
| 741 | fit_uname_config, img_addr); |
| 742 | } else if (fit_parse_subimage(argv[0], load_addr, &img_addr, |
| 743 | &fit_uname_kernel)) { |
| 744 | debug("* kernel: subimage '%s' from image at 0x%08lx\n", |
| 745 | fit_uname_kernel, img_addr); |
| 746 | #endif |
| 747 | } else { |
| 748 | img_addr = simple_strtoul(argv[0], NULL, 16); |
| 749 | debug("* kernel: cmdline image address = 0x%08lx\n", |
| 750 | img_addr); |
| 751 | } |
| 752 | |
| 753 | bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC); |
| 754 | |
| 755 | /* copy from dataflash if needed */ |
| 756 | img_addr = genimg_get_image(img_addr); |
| 757 | |
| 758 | /* check image type, for FIT images get FIT kernel node */ |
| 759 | *os_data = *os_len = 0; |
| 760 | buf = map_sysmem(img_addr, 0); |
| 761 | switch (genimg_get_format(buf)) { |
| 762 | #if defined(CONFIG_IMAGE_FORMAT_LEGACY) |
| 763 | case IMAGE_FORMAT_LEGACY: |
| 764 | printf("## Booting kernel from Legacy Image at %08lx ...\n", |
| 765 | img_addr); |
| 766 | hdr = image_get_kernel(img_addr, images->verify); |
| 767 | if (!hdr) |
| 768 | return NULL; |
| 769 | bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE); |
| 770 | |
| 771 | /* get os_data and os_len */ |
| 772 | switch (image_get_type(hdr)) { |
| 773 | case IH_TYPE_KERNEL: |
| 774 | case IH_TYPE_KERNEL_NOLOAD: |
| 775 | *os_data = image_get_data(hdr); |
| 776 | *os_len = image_get_data_size(hdr); |
| 777 | break; |
| 778 | case IH_TYPE_MULTI: |
| 779 | image_multi_getimg(hdr, 0, os_data, os_len); |
| 780 | break; |
| 781 | case IH_TYPE_STANDALONE: |
| 782 | *os_data = image_get_data(hdr); |
| 783 | *os_len = image_get_data_size(hdr); |
| 784 | break; |
| 785 | default: |
| 786 | printf("Wrong Image Type for %s command\n", |
| 787 | cmdtp->name); |
| 788 | bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE); |
| 789 | return NULL; |
| 790 | } |
| 791 | |
| 792 | /* |
| 793 | * copy image header to allow for image overwrites during |
| 794 | * kernel decompression. |
| 795 | */ |
| 796 | memmove(&images->legacy_hdr_os_copy, hdr, |
| 797 | sizeof(image_header_t)); |
| 798 | |
| 799 | /* save pointer to image header */ |
| 800 | images->legacy_hdr_os = hdr; |
| 801 | |
| 802 | images->legacy_hdr_valid = 1; |
| 803 | bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE); |
| 804 | break; |
| 805 | #endif |
| 806 | #if defined(CONFIG_FIT) |
| 807 | case IMAGE_FORMAT_FIT: |
Simon Glass | 126cc86 | 2014-06-12 07:24:47 -0600 | [diff] [blame] | 808 | os_noffset = fit_image_load(images, img_addr, |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 809 | &fit_uname_kernel, &fit_uname_config, |
| 810 | IH_ARCH_DEFAULT, IH_TYPE_KERNEL, |
| 811 | BOOTSTAGE_ID_FIT_KERNEL_START, |
| 812 | FIT_LOAD_IGNORED, os_data, os_len); |
| 813 | if (os_noffset < 0) |
| 814 | return NULL; |
| 815 | |
| 816 | images->fit_hdr_os = map_sysmem(img_addr, 0); |
| 817 | images->fit_uname_os = fit_uname_kernel; |
| 818 | images->fit_uname_cfg = fit_uname_config; |
| 819 | images->fit_noffset_os = os_noffset; |
| 820 | break; |
| 821 | #endif |
| 822 | #ifdef CONFIG_ANDROID_BOOT_IMAGE |
| 823 | case IMAGE_FORMAT_ANDROID: |
| 824 | printf("## Booting Android Image at 0x%08lx ...\n", img_addr); |
Simon Glass | 07c0cd7 | 2014-06-12 07:24:48 -0600 | [diff] [blame] | 825 | if (android_image_get_kernel(buf, images->verify, |
Simon Glass | b639640 | 2014-06-12 07:24:46 -0600 | [diff] [blame] | 826 | os_data, os_len)) |
| 827 | return NULL; |
| 828 | break; |
| 829 | #endif |
| 830 | default: |
| 831 | printf("Wrong Image Format for %s command\n", cmdtp->name); |
| 832 | bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO); |
| 833 | return NULL; |
| 834 | } |
| 835 | |
| 836 | debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n", |
| 837 | *os_data, *os_len, *os_len); |
| 838 | |
| 839 | return buf; |
| 840 | } |
Simon Glass | ea51a62 | 2014-06-12 07:24:51 -0600 | [diff] [blame] | 841 | |
| 842 | #endif /* ndef USE_HOSTCC */ |