common/image.c

   1 /*
   2  * (C) Copyright 2008 Semihalf
   3  *
   4  * (C) Copyright 2000-2006
   5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #ifndef USE_HOSTCC
  11 #include <common.h>
  12 #include <watchdog.h>
  13
  14 #ifdef CONFIG_SHOW_BOOT_PROGRESS
  15 #include <status_led.h>
  16 #endif
  17
  18 #ifdef CONFIG_HAS_DATAFLASH
  19 #include <dataflash.h>
  20 #endif
  21
  22 #ifdef CONFIG_LOGBUFFER
  23 #include <logbuff.h>
  24 #endif
  25
  26 #include <rtc.h>
  27
  28 #include <environment.h>
  29 #include <image.h>
  30
  31 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
  32 #include <libfdt.h>
  33 #include <fdt_support.h>
  34 #endif
  35
  36 #include <u-boot/md5.h>
  37 #include <sha1.h>
  38 #include <asm/errno.h>
  39 #include <asm/io.h>
  40
  41 #ifdef CONFIG_CMD_BDI
  42 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
  43 #endif
  44
  45 DECLARE_GLOBAL_DATA_PTR;
  46
  47 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
  48                                                 int verify);
  49 #else
  50 #include "mkimage.h"
  51 #include <u-boot/md5.h>
  52 #include <time.h>
  53 #include <image.h>
  54 #endif /* !USE_HOSTCC*/
  55
  56 #include <u-boot/crc.h>
  57
  58 #ifndef CONFIG_SYS_BARGSIZE
  59 #define CONFIG_SYS_BARGSIZE 512
  60 #endif
  61
  62 static const table_entry_t uimage_arch[] = {
  63         {       IH_ARCH_INVALID,        NULL,           "Invalid ARCH", },
  64         {       IH_ARCH_ALPHA,          "alpha",        "Alpha",        },
  65         {       IH_ARCH_ARM,            "arm",          "ARM",          },
  66         {       IH_ARCH_I386,           "x86",          "Intel x86",    },
  67         {       IH_ARCH_IA64,           "ia64",         "IA64",         },
  68         {       IH_ARCH_M68K,           "m68k",         "M68K",         },
  69         {       IH_ARCH_MICROBLAZE,     "microblaze",   "MicroBlaze",   },
  70         {       IH_ARCH_MIPS,           "mips",         "MIPS",         },
  71         {       IH_ARCH_MIPS64,         "mips64",       "MIPS 64 Bit",  },
  72         {       IH_ARCH_NIOS2,          "nios2",        "NIOS II",      },
  73         {       IH_ARCH_PPC,            "powerpc",      "PowerPC",      },
  74         {       IH_ARCH_PPC,            "ppc",          "PowerPC",      },
  75         {       IH_ARCH_S390,           "s390",         "IBM S390",     },
  76         {       IH_ARCH_SH,             "sh",           "SuperH",       },
  77         {       IH_ARCH_SPARC,          "sparc",        "SPARC",        },
  78         {       IH_ARCH_SPARC64,        "sparc64",      "SPARC 64 Bit", },
  79         {       IH_ARCH_BLACKFIN,       "blackfin",     "Blackfin",     },
  80         {       IH_ARCH_AVR32,          "avr32",        "AVR32",        },
  81         {       IH_ARCH_NDS32,          "nds32",        "NDS32",        },
  82         {       IH_ARCH_OPENRISC,       "or1k",         "OpenRISC 1000",},
  83         {       IH_ARCH_SANDBOX,        "sandbox",      "Sandbox",      },
  84         {       IH_ARCH_ARM64,          "arm64",        "AArch64",      },
  85         {       -1,                     "",             "",             },
  86 };
  87
  88 static const table_entry_t uimage_os[] = {
  89         {       IH_OS_INVALID,  NULL,           "Invalid OS",           },
  90         {       IH_OS_LINUX,    "linux",        "Linux",                },
  91 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC)
  92         {       IH_OS_LYNXOS,   "lynxos",       "LynxOS",               },
  93 #endif
  94         {       IH_OS_NETBSD,   "netbsd",       "NetBSD",               },
  95         {       IH_OS_OSE,      "ose",          "Enea OSE",             },
  96         {       IH_OS_PLAN9,    "plan9",        "Plan 9",               },
  97         {       IH_OS_RTEMS,    "rtems",        "RTEMS",                },
  98         {       IH_OS_U_BOOT,   "u-boot",       "U-Boot",               },
  99         {       IH_OS_VXWORKS,  "vxworks",      "VxWorks",              },
 100 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC)
 101         {       IH_OS_QNX,      "qnx",          "QNX",                  },
 102 #endif
 103 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC)
 104         {       IH_OS_INTEGRITY,"integrity",    "INTEGRITY",            },
 105 #endif
 106 #ifdef USE_HOSTCC
 107         {       IH_OS_4_4BSD,   "4_4bsd",       "4_4BSD",               },
 108         {       IH_OS_DELL,     "dell",         "Dell",                 },
 109         {       IH_OS_ESIX,     "esix",         "Esix",                 },
 110         {       IH_OS_FREEBSD,  "freebsd",      "FreeBSD",              },
 111         {       IH_OS_IRIX,     "irix",         "Irix",                 },
 112         {       IH_OS_NCR,      "ncr",          "NCR",                  },
 113         {       IH_OS_OPENBSD,  "openbsd",      "OpenBSD",              },
 114         {       IH_OS_PSOS,     "psos",         "pSOS",                 },
 115         {       IH_OS_SCO,      "sco",          "SCO",                  },
 116         {       IH_OS_SOLARIS,  "solaris",      "Solaris",              },
 117         {       IH_OS_SVR4,     "svr4",         "SVR4",                 },
 118 #endif
 119         {       -1,             "",             "",                     },
 120 };
 121
 122 static const table_entry_t uimage_type[] = {
 123         {       IH_TYPE_AISIMAGE,   "aisimage",   "Davinci AIS image",},
 124         {       IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image",   },
 125         {       IH_TYPE_FIRMWARE,   "firmware",   "Firmware",           },
 126         {       IH_TYPE_FLATDT,     "flat_dt",    "Flat Device Tree",   },
 127         {       IH_TYPE_KERNEL,     "kernel",     "Kernel Image",       },
 128         {       IH_TYPE_KERNEL_NOLOAD, "kernel_noload",  "Kernel Image (no loading done)", },
 129         {       IH_TYPE_KWBIMAGE,   "kwbimage",   "Kirkwood Boot Image",},
 130         {       IH_TYPE_IMXIMAGE,   "imximage",   "Freescale i.MX Boot Image",},
 131         {       IH_TYPE_INVALID,    NULL,         "Invalid Image",      },
 132         {       IH_TYPE_MULTI,      "multi",      "Multi-File Image",   },
 133         {       IH_TYPE_OMAPIMAGE,  "omapimage",  "TI OMAP SPL With GP CH",},
 134         {       IH_TYPE_PBLIMAGE,   "pblimage",   "Freescale PBL Boot Image",},
 135         {       IH_TYPE_RAMDISK,    "ramdisk",    "RAMDisk Image",      },
 136         {       IH_TYPE_SCRIPT,     "script",     "Script",             },
 137         {       IH_TYPE_STANDALONE, "standalone", "Standalone Program", },
 138         {       IH_TYPE_UBLIMAGE,   "ublimage",   "Davinci UBL image",},
 139         {       IH_TYPE_MXSIMAGE,   "mxsimage",   "Freescale MXS Boot Image",},
 140         {       -1,                 "",           "",                   },
 141 };
 142
 143 static const table_entry_t uimage_comp[] = {
 144         {       IH_COMP_NONE,   "none",         "uncompressed",         },
 145         {       IH_COMP_BZIP2,  "bzip2",        "bzip2 compressed",     },
 146         {       IH_COMP_GZIP,   "gzip",         "gzip compressed",      },
 147         {       IH_COMP_LZMA,   "lzma",         "lzma compressed",      },
 148         {       IH_COMP_LZO,    "lzo",          "lzo compressed",       },
 149         {       -1,             "",             "",                     },
 150 };
 151
 152 /*****************************************************************************/
 153 /* Legacy format routines */
 154 /*****************************************************************************/
 155 int image_check_hcrc(const image_header_t *hdr)
 156 {
 157         ulong hcrc;
 158         ulong len = image_get_header_size();
 159         image_header_t header;
 160
 161         /* Copy header so we can blank CRC field for re-calculation */
 162         memmove(&header, (char *)hdr, image_get_header_size());
 163         image_set_hcrc(&header, 0);
 164
 165         hcrc = crc32(0, (unsigned char *)&header, len);
 166
 167         return (hcrc == image_get_hcrc(hdr));
 168 }
 169
 170 int image_check_dcrc(const image_header_t *hdr)
 171 {
 172         ulong data = image_get_data(hdr);
 173         ulong len = image_get_data_size(hdr);
 174         ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32);
 175
 176         return (dcrc == image_get_dcrc(hdr));
 177 }
 178
 179 /**
 180  * image_multi_count - get component (sub-image) count
 181  * @hdr: pointer to the header of the multi component image
 182  *
 183  * image_multi_count() returns number of components in a multi
 184  * component image.
 185  *
 186  * Note: no checking of the image type is done, caller must pass
 187  * a valid multi component image.
 188  *
 189  * returns:
 190  *     number of components
 191  */
 192 ulong image_multi_count(const image_header_t *hdr)
 193 {
 194         ulong i, count = 0;
 195         uint32_t *size;
 196
 197         /* get start of the image payload, which in case of multi
 198          * component images that points to a table of component sizes */
 199         size = (uint32_t *)image_get_data(hdr);
 200
 201         /* count non empty slots */
 202         for (i = 0; size[i]; ++i)
 203                 count++;
 204
 205         return count;
 206 }
 207
 208 /**
 209  * image_multi_getimg - get component data address and size
 210  * @hdr: pointer to the header of the multi component image
 211  * @idx: index of the requested component
 212  * @data: pointer to a ulong variable, will hold component data address
 213  * @len: pointer to a ulong variable, will hold component size
 214  *
 215  * image_multi_getimg() returns size and data address for the requested
 216  * component in a multi component image.
 217  *
 218  * Note: no checking of the image type is done, caller must pass
 219  * a valid multi component image.
 220  *
 221  * returns:
 222  *     data address and size of the component, if idx is valid
 223  *     0 in data and len, if idx is out of range
 224  */
 225 void image_multi_getimg(const image_header_t *hdr, ulong idx,
 226                         ulong *data, ulong *len)
 227 {
 228         int i;
 229         uint32_t *size;
 230         ulong offset, count, img_data;
 231
 232         /* get number of component */
 233         count = image_multi_count(hdr);
 234
 235         /* get start of the image payload, which in case of multi
 236          * component images that points to a table of component sizes */
 237         size = (uint32_t *)image_get_data(hdr);
 238
 239         /* get address of the proper component data start, which means
 240          * skipping sizes table (add 1 for last, null entry) */
 241         img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t);
 242
 243         if (idx < count) {
 244                 *len = uimage_to_cpu(size[idx]);
 245                 offset = 0;
 246
 247                 /* go over all indices preceding requested component idx */
 248                 for (i = 0; i < idx; i++) {
 249                         /* add up i-th component size, rounding up to 4 bytes */
 250                         offset += (uimage_to_cpu(size[i]) + 3) & ~3 ;
 251                 }
 252
 253                 /* calculate idx-th component data address */
 254                 *data = img_data + offset;
 255         } else {
 256                 *len = 0;
 257                 *data = 0;
 258         }
 259 }
 260
 261 static void image_print_type(const image_header_t *hdr)
 262 {
 263         const char *os, *arch, *type, *comp;
 264
 265         os = genimg_get_os_name(image_get_os(hdr));
 266         arch = genimg_get_arch_name(image_get_arch(hdr));
 267         type = genimg_get_type_name(image_get_type(hdr));
 268         comp = genimg_get_comp_name(image_get_comp(hdr));
 269
 270         printf("%s %s %s (%s)\n", arch, os, type, comp);
 271 }
 272
 273 /**
 274  * image_print_contents - prints out the contents of the legacy format image
 275  * @ptr: pointer to the legacy format image header
 276  * @p: pointer to prefix string
 277  *
 278  * image_print_contents() formats a multi line legacy image contents description.
 279  * The routine prints out all header fields followed by the size/offset data
 280  * for MULTI/SCRIPT images.
 281  *
 282  * returns:
 283  *     no returned results
 284  */
 285 void image_print_contents(const void *ptr)
 286 {
 287         const image_header_t *hdr = (const image_header_t *)ptr;
 288         const char *p;
 289
 290         p = IMAGE_INDENT_STRING;
 291         printf("%sImage Name:   %.*s\n", p, IH_NMLEN, image_get_name(hdr));
 292         if (IMAGE_ENABLE_TIMESTAMP) {
 293                 printf("%sCreated:      ", p);
 294                 genimg_print_time((time_t)image_get_time(hdr));
 295         }
 296         printf("%sImage Type:   ", p);
 297         image_print_type(hdr);
 298         printf("%sData Size:    ", p);
 299         genimg_print_size(image_get_data_size(hdr));
 300         printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
 301         printf("%sEntry Point:  %08x\n", p, image_get_ep(hdr));
 302
 303         if (image_check_type(hdr, IH_TYPE_MULTI) ||
 304                         image_check_type(hdr, IH_TYPE_SCRIPT)) {
 305                 int i;
 306                 ulong data, len;
 307                 ulong count = image_multi_count(hdr);
 308
 309                 printf("%sContents:\n", p);
 310                 for (i = 0; i < count; i++) {
 311                         image_multi_getimg(hdr, i, &data, &len);
 312
 313                         printf("%s   Image %d: ", p, i);
 314                         genimg_print_size(len);
 315
 316                         if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
 317                                 /*
 318                                  * the user may need to know offsets
 319                                  * if planning to do something with
 320                                  * multiple files
 321                                  */
 322                                 printf("%s    Offset = 0x%08lx\n", p, data);
 323                         }
 324                 }
 325         }
 326 }
 327
 328
 329 #ifndef USE_HOSTCC
 330 /**
 331  * image_get_ramdisk - get and verify ramdisk image
 332  * @rd_addr: ramdisk image start address
 333  * @arch: expected ramdisk architecture
 334  * @verify: checksum verification flag
 335  *
 336  * image_get_ramdisk() returns a pointer to the verified ramdisk image
 337  * header. Routine receives image start address and expected architecture
 338  * flag. Verification done covers data and header integrity and os/type/arch
 339  * fields checking.
 340  *
 341  * If dataflash support is enabled routine checks for dataflash addresses
 342  * and handles required dataflash reads.
 343  *
 344  * returns:
 345  *     pointer to a ramdisk image header, if image was found and valid
 346  *     otherwise, return NULL
 347  */
 348 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch,
 349                                                 int verify)
 350 {
 351         const image_header_t *rd_hdr = (const image_header_t *)rd_addr;
 352
 353         if (!image_check_magic(rd_hdr)) {
 354                 puts("Bad Magic Number\n");
 355                 bootstage_error(BOOTSTAGE_ID_RD_MAGIC);
 356                 return NULL;
 357         }
 358
 359         if (!image_check_hcrc(rd_hdr)) {
 360                 puts("Bad Header Checksum\n");
 361                 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 362                 return NULL;
 363         }
 364
 365         bootstage_mark(BOOTSTAGE_ID_RD_MAGIC);
 366         image_print_contents(rd_hdr);
 367
 368         if (verify) {
 369                 puts("   Verifying Checksum ... ");
 370                 if (!image_check_dcrc(rd_hdr)) {
 371                         puts("Bad Data CRC\n");
 372                         bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM);
 373                         return NULL;
 374                 }
 375                 puts("OK\n");
 376         }
 377
 378         bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM);
 379
 380         if (!image_check_os(rd_hdr, IH_OS_LINUX) ||
 381             !image_check_arch(rd_hdr, arch) ||
 382             !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) {
 383                 printf("No Linux %s Ramdisk Image\n",
 384                                 genimg_get_arch_name(arch));
 385                 bootstage_error(BOOTSTAGE_ID_RAMDISK);
 386                 return NULL;
 387         }
 388
 389         return rd_hdr;
 390 }
 391 #endif /* !USE_HOSTCC */
 392
 393 /*****************************************************************************/
 394 /* Shared dual-format routines */
 395 /*****************************************************************************/
 396 #ifndef USE_HOSTCC
 397 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
 398 ulong save_addr;                        /* Default Save Address */
 399 ulong save_size;                        /* Default Save Size (in bytes) */
 400
 401 static int on_loadaddr(const char *name, const char *value, enum env_op op,
 402         int flags)
 403 {
 404         switch (op) {
 405         case env_op_create:
 406         case env_op_overwrite:
 407                 load_addr = simple_strtoul(value, NULL, 16);
 408                 break;
 409         default:
 410                 break;
 411         }
 412
 413         return 0;
 414 }
 415 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
 416
 417 ulong getenv_bootm_low(void)
 418 {
 419         char *s = getenv("bootm_low");
 420         if (s) {
 421                 ulong tmp = simple_strtoul(s, NULL, 16);
 422                 return tmp;
 423         }
 424
 425 #if defined(CONFIG_SYS_SDRAM_BASE)
 426         return CONFIG_SYS_SDRAM_BASE;
 427 #elif defined(CONFIG_ARM)
 428         return gd->bd->bi_dram[0].start;
 429 #else
 430         return 0;
 431 #endif
 432 }
 433
 434 phys_size_t getenv_bootm_size(void)
 435 {
 436         phys_size_t tmp;
 437         char *s = getenv("bootm_size");
 438         if (s) {
 439                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 440                 return tmp;
 441         }
 442         s = getenv("bootm_low");
 443         if (s)
 444                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 445         else
 446                 tmp = 0;
 447
 448
 449 #if defined(CONFIG_ARM)
 450         return gd->bd->bi_dram[0].size - tmp;
 451 #else
 452         return gd->bd->bi_memsize - tmp;
 453 #endif
 454 }
 455
 456 phys_size_t getenv_bootm_mapsize(void)
 457 {
 458         phys_size_t tmp;
 459         char *s = getenv("bootm_mapsize");
 460         if (s) {
 461                 tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
 462                 return tmp;
 463         }
 464
 465 #if defined(CONFIG_SYS_BOOTMAPSZ)
 466         return CONFIG_SYS_BOOTMAPSZ;
 467 #else
 468         return getenv_bootm_size();
 469 #endif
 470 }
 471
 472 void memmove_wd(void *to, void *from, size_t len, ulong chunksz)
 473 {
 474         if (to == from)
 475                 return;
 476
 477 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
 478         while (len > 0) {
 479                 size_t tail = (len > chunksz) ? chunksz : len;
 480                 WATCHDOG_RESET();
 481                 memmove(to, from, tail);
 482                 to += tail;
 483                 from += tail;
 484                 len -= tail;
 485         }
 486 #else   /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
 487         memmove(to, from, len);
 488 #endif  /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
 489 }
 490 #endif /* !USE_HOSTCC */
 491
 492 void genimg_print_size(uint32_t size)
 493 {
 494 #ifndef USE_HOSTCC
 495         printf("%d Bytes = ", size);
 496         print_size(size, "\n");
 497 #else
 498         printf("%d Bytes = %.2f kB = %.2f MB\n",
 499                         size, (double)size / 1.024e3,
 500                         (double)size / 1.048576e6);
 501 #endif
 502 }
 503
 504 #if IMAGE_ENABLE_TIMESTAMP
 505 void genimg_print_time(time_t timestamp)
 506 {
 507 #ifndef USE_HOSTCC
 508         struct rtc_time tm;
 509
 510         to_tm(timestamp, &tm);
 511         printf("%4d-%02d-%02d  %2d:%02d:%02d UTC\n",
 512                         tm.tm_year, tm.tm_mon, tm.tm_mday,
 513                         tm.tm_hour, tm.tm_min, tm.tm_sec);
 514 #else
 515         printf("%s", ctime(&timestamp));
 516 #endif
 517 }
 518 #endif
 519
 520 /**
 521  * get_table_entry_name - translate entry id to long name
 522  * @table: pointer to a translation table for entries of a specific type
 523  * @msg: message to be returned when translation fails
 524  * @id: entry id to be translated
 525  *
 526  * get_table_entry_name() will go over translation table trying to find
 527  * entry that matches given id. If matching entry is found, its long
 528  * name is returned to the caller.
 529  *
 530  * returns:
 531  *     long entry name if translation succeeds
 532  *     msg otherwise
 533  */
 534 char *get_table_entry_name(const table_entry_t *table, char *msg, int id)
 535 {
 536         for (; table->id >= 0; ++table) {
 537                 if (table->id == id)
 538 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC)
 539                         return table->lname;
 540 #else
 541                         return table->lname + gd->reloc_off;
 542 #endif
 543         }
 544         return (msg);
 545 }
 546
 547 const char *genimg_get_os_name(uint8_t os)
 548 {
 549         return (get_table_entry_name(uimage_os, "Unknown OS", os));
 550 }
 551
 552 const char *genimg_get_arch_name(uint8_t arch)
 553 {
 554         return (get_table_entry_name(uimage_arch, "Unknown Architecture",
 555                                         arch));
 556 }
 557
 558 const char *genimg_get_type_name(uint8_t type)
 559 {
 560         return (get_table_entry_name(uimage_type, "Unknown Image", type));
 561 }
 562
 563 const char *genimg_get_comp_name(uint8_t comp)
 564 {
 565         return (get_table_entry_name(uimage_comp, "Unknown Compression",
 566                                         comp));
 567 }
 568
 569 /**
 570  * get_table_entry_id - translate short entry name to id
 571  * @table: pointer to a translation table for entries of a specific type
 572  * @table_name: to be used in case of error
 573  * @name: entry short name to be translated
 574  *
 575  * get_table_entry_id() will go over translation table trying to find
 576  * entry that matches given short name. If matching entry is found,
 577  * its id returned to the caller.
 578  *
 579  * returns:
 580  *     entry id if translation succeeds
 581  *     -1 otherwise
 582  */
 583 int get_table_entry_id(const table_entry_t *table,
 584                 const char *table_name, const char *name)
 585 {
 586         const table_entry_t *t;
 587 #ifdef USE_HOSTCC
 588         int first = 1;
 589
 590         for (t = table; t->id >= 0; ++t) {
 591                 if (t->sname && strcasecmp(t->sname, name) == 0)
 592                         return(t->id);
 593         }
 594
 595         fprintf(stderr, "\nInvalid %s Type - valid names are", table_name);
 596         for (t = table; t->id >= 0; ++t) {
 597                 if (t->sname == NULL)
 598                         continue;
 599                 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname);
 600                 first = 0;
 601         }
 602         fprintf(stderr, "\n");
 603 #else
 604         for (t = table; t->id >= 0; ++t) {
 605 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 606                 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0)
 607 #else
 608                 if (t->sname && strcmp(t->sname, name) == 0)
 609 #endif
 610                         return (t->id);
 611         }
 612         debug("Invalid %s Type: %s\n", table_name, name);
 613 #endif /* USE_HOSTCC */
 614         return (-1);
 615 }
 616
 617 int genimg_get_os_id(const char *name)
 618 {
 619         return (get_table_entry_id(uimage_os, "OS", name));
 620 }
 621
 622 int genimg_get_arch_id(const char *name)
 623 {
 624         return (get_table_entry_id(uimage_arch, "CPU", name));
 625 }
 626
 627 int genimg_get_type_id(const char *name)
 628 {
 629         return (get_table_entry_id(uimage_type, "Image", name));
 630 }
 631
 632 int genimg_get_comp_id(const char *name)
 633 {
 634         return (get_table_entry_id(uimage_comp, "Compression", name));
 635 }
 636
 637 #ifndef USE_HOSTCC
 638 /**
 639  * genimg_get_format - get image format type
 640  * @img_addr: image start address
 641  *
 642  * genimg_get_format() checks whether provided address points to a valid
 643  * legacy or FIT image.
 644  *
 645  * New uImage format and FDT blob are based on a libfdt. FDT blob
 646  * may be passed directly or embedded in a FIT image. In both situations
 647  * genimg_get_format() must be able to dectect libfdt header.
 648  *
 649  * returns:
 650  *     image format type or IMAGE_FORMAT_INVALID if no image is present
 651  */
 652 int genimg_get_format(const void *img_addr)
 653 {
 654         ulong format = IMAGE_FORMAT_INVALID;
 655         const image_header_t *hdr;
 656
 657         hdr = (const image_header_t *)img_addr;
 658         if (image_check_magic(hdr))
 659                 format = IMAGE_FORMAT_LEGACY;
 660 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT)
 661         else {
 662                 if (fdt_check_header(img_addr) == 0)
 663                         format = IMAGE_FORMAT_FIT;
 664         }
 665 #endif
 666
 667         return format;
 668 }
 669
 670 /**
 671  * genimg_get_image - get image from special storage (if necessary)
 672  * @img_addr: image start address
 673  *
 674  * genimg_get_image() checks if provided image start adddress is located
 675  * in a dataflash storage. If so, image is moved to a system RAM memory.
 676  *
 677  * returns:
 678  *     image start address after possible relocation from special storage
 679  */
 680 ulong genimg_get_image(ulong img_addr)
 681 {
 682         ulong ram_addr = img_addr;
 683
 684 #ifdef CONFIG_HAS_DATAFLASH
 685         ulong h_size, d_size;
 686
 687         if (addr_dataflash(img_addr)) {
 688                 void *buf;
 689
 690                 /* ger RAM address */
 691                 ram_addr = CONFIG_SYS_LOAD_ADDR;
 692
 693                 /* get header size */
 694                 h_size = image_get_header_size();
 695 #if defined(CONFIG_FIT)
 696                 if (sizeof(struct fdt_header) > h_size)
 697                         h_size = sizeof(struct fdt_header);
 698 #endif
 699
 700                 /* read in header */
 701                 debug("   Reading image header from dataflash address "
 702                         "%08lx to RAM address %08lx\n", img_addr, ram_addr);
 703
 704                 buf = map_sysmem(ram_addr, 0);
 705                 read_dataflash(img_addr, h_size, buf);
 706
 707                 /* get data size */
 708                 switch (genimg_get_format(buf)) {
 709                 case IMAGE_FORMAT_LEGACY:
 710                         d_size = image_get_data_size(buf);
 711                         debug("   Legacy format image found at 0x%08lx, "
 712                                         "size 0x%08lx\n",
 713                                         ram_addr, d_size);
 714                         break;
 715 #if defined(CONFIG_FIT)
 716                 case IMAGE_FORMAT_FIT:
 717                         d_size = fit_get_size(buf) - h_size;
 718                         debug("   FIT/FDT format image found at 0x%08lx, "
 719                                         "size 0x%08lx\n",
 720                                         ram_addr, d_size);
 721                         break;
 722 #endif
 723                 default:
 724                         printf("   No valid image found at 0x%08lx\n",
 725                                 img_addr);
 726                         return ram_addr;
 727                 }
 728
 729                 /* read in image data */
 730                 debug("   Reading image remaining data from dataflash address "
 731                         "%08lx to RAM address %08lx\n", img_addr + h_size,
 732                         ram_addr + h_size);
 733
 734                 read_dataflash(img_addr + h_size, d_size,
 735                                 (char *)(buf + h_size));
 736
 737         }
 738 #endif /* CONFIG_HAS_DATAFLASH */
 739
 740         return ram_addr;
 741 }
 742
 743 /**
 744  * fit_has_config - check if there is a valid FIT configuration
 745  * @images: pointer to the bootm command headers structure
 746  *
 747  * fit_has_config() checks if there is a FIT configuration in use
 748  * (if FTI support is present).
 749  *
 750  * returns:
 751  *     0, no FIT support or no configuration found
 752  *     1, configuration found
 753  */
 754 int genimg_has_config(bootm_headers_t *images)
 755 {
 756 #if defined(CONFIG_FIT)
 757         if (images->fit_uname_cfg)
 758                 return 1;
 759 #endif
 760         return 0;
 761 }
 762
 763 /**
 764  * boot_get_ramdisk - main ramdisk handling routine
 765  * @argc: command argument count
 766  * @argv: command argument list
 767  * @images: pointer to the bootm images structure
 768  * @arch: expected ramdisk architecture
 769  * @rd_start: pointer to a ulong variable, will hold ramdisk start address
 770  * @rd_end: pointer to a ulong variable, will hold ramdisk end
 771  *
 772  * boot_get_ramdisk() is responsible for finding a valid ramdisk image.
 773  * Curently supported are the following ramdisk sources:
 774  *      - multicomponent kernel/ramdisk image,
 775  *      - commandline provided address of decicated ramdisk image.
 776  *
 777  * returns:
 778  *     0, if ramdisk image was found and valid, or skiped
 779  *     rd_start and rd_end are set to ramdisk start/end addresses if
 780  *     ramdisk image is found and valid
 781  *
 782  *     1, if ramdisk image is found but corrupted, or invalid
 783  *     rd_start and rd_end are set to 0 if no ramdisk exists
 784  */
 785 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
 786                 uint8_t arch, ulong *rd_start, ulong *rd_end)
 787 {
 788         ulong rd_addr, rd_load;
 789         ulong rd_data, rd_len;
 790         const image_header_t *rd_hdr;
 791         void *buf;
 792 #ifdef CONFIG_SUPPORT_RAW_INITRD
 793         char *end;
 794 #endif
 795 #if defined(CONFIG_FIT)
 796         const char      *fit_uname_config = images->fit_uname_cfg;
 797         const char      *fit_uname_ramdisk = NULL;
 798         ulong           default_addr;
 799         int             rd_noffset;
 800 #endif
 801         const char *select = NULL;
 802
 803         *rd_start = 0;
 804         *rd_end = 0;
 805
 806         if (argc >= 2)
 807                 select = argv[1];
 808         /*
 809          * Look for a '-' which indicates to ignore the
 810          * ramdisk argument
 811          */
 812         if (select && strcmp(select, "-") ==  0) {
 813                 debug("## Skipping init Ramdisk\n");
 814                 rd_len = rd_data = 0;
 815         } else if (select || genimg_has_config(images)) {
 816 #if defined(CONFIG_FIT)
 817                 if (select) {
 818                         /*
 819                          * If the init ramdisk comes from the FIT image and
 820                          * the FIT image address is omitted in the command
 821                          * line argument, try to use os FIT image address or
 822                          * default load address.
 823                          */
 824                         if (images->fit_uname_os)
 825                                 default_addr = (ulong)images->fit_hdr_os;
 826                         else
 827                                 default_addr = load_addr;
 828
 829                         if (fit_parse_conf(select, default_addr,
 830                                            &rd_addr, &fit_uname_config)) {
 831                                 debug("*  ramdisk: config '%s' from image at "
 832                                                 "0x%08lx\n",
 833                                                 fit_uname_config, rd_addr);
 834                         } else if (fit_parse_subimage(select, default_addr,
 835                                                 &rd_addr, &fit_uname_ramdisk)) {
 836                                 debug("*  ramdisk: subimage '%s' from image at "
 837                                                 "0x%08lx\n",
 838                                                 fit_uname_ramdisk, rd_addr);
 839                         } else
 840 #endif
 841                         {
 842                                 rd_addr = simple_strtoul(select, NULL, 16);
 843                                 debug("*  ramdisk: cmdline image address = "
 844                                                 "0x%08lx\n",
 845                                                 rd_addr);
 846                         }
 847 #if defined(CONFIG_FIT)
 848                 } else {
 849                         /* use FIT configuration provided in first bootm
 850                          * command argument. If the property is not defined,
 851                          * quit silently.
 852                          */
 853                         rd_addr = map_to_sysmem(images->fit_hdr_os);
 854                         rd_noffset = fit_get_node_from_config(images,
 855                                         FIT_RAMDISK_PROP, rd_addr);
 856                         if (rd_noffset == -ENOLINK)
 857                                 return 0;
 858                         else if (rd_noffset < 0)
 859                                 return 1;
 860                 }
 861 #endif
 862
 863                 /* copy from dataflash if needed */
 864                 rd_addr = genimg_get_image(rd_addr);
 865
 866                 /*
 867                  * Check if there is an initrd image at the
 868                  * address provided in the second bootm argument
 869                  * check image type, for FIT images get FIT node.
 870                  */
 871                 buf = map_sysmem(rd_addr, 0);
 872                 switch (genimg_get_format(buf)) {
 873                 case IMAGE_FORMAT_LEGACY:
 874                         printf("## Loading init Ramdisk from Legacy "
 875                                         "Image at %08lx ...\n", rd_addr);
 876
 877                         bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
 878                         rd_hdr = image_get_ramdisk(rd_addr, arch,
 879                                                         images->verify);
 880
 881                         if (rd_hdr == NULL)
 882                                 return 1;
 883
 884                         rd_data = image_get_data(rd_hdr);
 885                         rd_len = image_get_data_size(rd_hdr);
 886                         rd_load = image_get_load(rd_hdr);
 887                         break;
 888 #if defined(CONFIG_FIT)
 889                 case IMAGE_FORMAT_FIT:
 890                         rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP,
 891                                         rd_addr, &fit_uname_ramdisk,
 892                                         &fit_uname_config, arch,
 893                                         IH_TYPE_RAMDISK,
 894                                         BOOTSTAGE_ID_FIT_RD_START,
 895                                         FIT_LOAD_IGNORED, &rd_data, &rd_len);
 896                         if (rd_noffset < 0)
 897                                 return 1;
 898
 899                         images->fit_hdr_rd = map_sysmem(rd_addr, 0);
 900                         images->fit_uname_rd = fit_uname_ramdisk;
 901                         images->fit_noffset_rd = rd_noffset;
 902                         break;
 903 #endif
 904                 default:
 905 #ifdef CONFIG_SUPPORT_RAW_INITRD
 906                         end = NULL;
 907                         if (select)
 908                                 end = strchr(select, ':');
 909                         if (end) {
 910                                 rd_len = simple_strtoul(++end, NULL, 16);
 911                                 rd_data = rd_addr;
 912                         } else
 913 #endif
 914                         {
 915                                 puts("Wrong Ramdisk Image Format\n");
 916                                 rd_data = rd_len = rd_load = 0;
 917                                 return 1;
 918                         }
 919                 }
 920         } else if (images->legacy_hdr_valid &&
 921                         image_check_type(&images->legacy_hdr_os_copy,
 922                                                 IH_TYPE_MULTI)) {
 923
 924                 /*
 925                  * Now check if we have a legacy mult-component image,
 926                  * get second entry data start address and len.
 927                  */
 928                 bootstage_mark(BOOTSTAGE_ID_RAMDISK);
 929                 printf("## Loading init Ramdisk from multi component "
 930                                 "Legacy Image at %08lx ...\n",
 931                                 (ulong)images->legacy_hdr_os);
 932
 933                 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
 934         } else {
 935                 /*
 936                  * no initrd image
 937                  */
 938                 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
 939                 rd_len = rd_data = 0;
 940         }
 941
 942         if (!rd_data) {
 943                 debug("## No init Ramdisk\n");
 944         } else {
 945                 *rd_start = rd_data;
 946                 *rd_end = rd_data + rd_len;
 947         }
 948         debug("   ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
 949                         *rd_start, *rd_end);
 950
 951         return 0;
 952 }
 953
 954 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 955 /**
 956  * boot_ramdisk_high - relocate init ramdisk
 957  * @lmb: pointer to lmb handle, will be used for memory mgmt
 958  * @rd_data: ramdisk data start address
 959  * @rd_len: ramdisk data length
 960  * @initrd_start: pointer to a ulong variable, will hold final init ramdisk
 961  *      start address (after possible relocation)
 962  * @initrd_end: pointer to a ulong variable, will hold final init ramdisk
 963  *      end address (after possible relocation)
 964  *
 965  * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment
 966  * variable and if requested ramdisk data is moved to a specified location.
 967  *
 968  * Initrd_start and initrd_end are set to final (after relocation) ramdisk
 969  * start/end addresses if ramdisk image start and len were provided,
 970  * otherwise set initrd_start and initrd_end set to zeros.
 971  *
 972  * returns:
 973  *      0 - success
 974  *     -1 - failure
 975  */
 976 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 977                   ulong *initrd_start, ulong *initrd_end)
 978 {
 979         char    *s;
 980         ulong   initrd_high;
 981         int     initrd_copy_to_ram = 1;
 982
 983         if ((s = getenv("initrd_high")) != NULL) {
 984                 /* a value of "no" or a similar string will act like 0,
 985                  * turning the "load high" feature off. This is intentional.
 986                  */
 987                 initrd_high = simple_strtoul(s, NULL, 16);
 988                 if (initrd_high == ~0)
 989                         initrd_copy_to_ram = 0;
 990         } else {
 991                 /* not set, no restrictions to load high */
 992                 initrd_high = ~0;
 993         }
 994
 995
 996 #ifdef CONFIG_LOGBUFFER
 997         /* Prevent initrd from overwriting logbuffer */
 998         lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
 999 #endif
1000
1001         debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
1002                         initrd_high, initrd_copy_to_ram);
1003
1004         if (rd_data) {
1005                 if (!initrd_copy_to_ram) {      /* zero-copy ramdisk support */
1006                         debug("   in-place initrd\n");
1007                         *initrd_start = rd_data;
1008                         *initrd_end = rd_data + rd_len;
1009                         lmb_reserve(lmb, rd_data, rd_len);
1010                 } else {
1011                         if (initrd_high)
1012                                 *initrd_start = (ulong)lmb_alloc_base(lmb,
1013                                                 rd_len, 0x1000, initrd_high);
1014                         else
1015                                 *initrd_start = (ulong)lmb_alloc(lmb, rd_len,
1016                                                                  0x1000);
1017
1018                         if (*initrd_start == 0) {
1019                                 puts("ramdisk - allocation error\n");
1020                                 goto error;
1021                         }
1022                         bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK);
1023
1024                         *initrd_end = *initrd_start + rd_len;
1025                         printf("   Loading Ramdisk to %08lx, end %08lx ... ",
1026                                         *initrd_start, *initrd_end);
1027
1028                         memmove_wd((void *)*initrd_start,
1029                                         (void *)rd_data, rd_len, CHUNKSZ);
1030
1031 #ifdef CONFIG_MP
1032                         /*
1033                          * Ensure the image is flushed to memory to handle
1034                          * AMP boot scenarios in which we might not be
1035                          * HW cache coherent
1036                          */
1037                         flush_cache((unsigned long)*initrd_start, rd_len);
1038 #endif
1039                         puts("OK\n");
1040                 }
1041         } else {
1042                 *initrd_start = 0;
1043                 *initrd_end = 0;
1044         }
1045         debug("   ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n",
1046                         *initrd_start, *initrd_end);
1047
1048         return 0;
1049
1050 error:
1051         return -1;
1052 }
1053 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */
1054
1055 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE
1056 /**
1057  * boot_get_cmdline - allocate and initialize kernel cmdline
1058  * @lmb: pointer to lmb handle, will be used for memory mgmt
1059  * @cmd_start: pointer to a ulong variable, will hold cmdline start
1060  * @cmd_end: pointer to a ulong variable, will hold cmdline end
1061  *
1062  * boot_get_cmdline() allocates space for kernel command line below
1063  * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt
1064  * variable is present its contents is copied to allocated kernel
1065  * command line.
1066  *
1067  * returns:
1068  *      0 - success
1069  *     -1 - failure
1070  */
1071 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end)
1072 {
1073         char *cmdline;
1074         char *s;
1075
1076         cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf,
1077                                 getenv_bootm_mapsize() + getenv_bootm_low());
1078
1079         if (cmdline == NULL)
1080                 return -1;
1081
1082         if ((s = getenv("bootargs")) == NULL)
1083                 s = "";
1084
1085         strcpy(cmdline, s);
1086
1087         *cmd_start = (ulong) & cmdline[0];
1088         *cmd_end = *cmd_start + strlen(cmdline);
1089
1090         debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end);
1091
1092         return 0;
1093 }
1094 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */
1095
1096 #ifdef CONFIG_SYS_BOOT_GET_KBD
1097 /**
1098  * boot_get_kbd - allocate and initialize kernel copy of board info
1099  * @lmb: pointer to lmb handle, will be used for memory mgmt
1100  * @kbd: double pointer to board info data
1101  *
1102  * boot_get_kbd() allocates space for kernel copy of board info data below
1103  * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized
1104  * with the current u-boot board info data.
1105  *
1106  * returns:
1107  *      0 - success
1108  *     -1 - failure
1109  */
1110 int boot_get_kbd(struct lmb *lmb, bd_t **kbd)
1111 {
1112         *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf,
1113                                 getenv_bootm_mapsize() + getenv_bootm_low());
1114         if (*kbd == NULL)
1115                 return -1;
1116
1117         **kbd = *(gd->bd);
1118
1119         debug("## kernel board info at 0x%08lx\n", (ulong)*kbd);
1120
1121 #if defined(DEBUG) && defined(CONFIG_CMD_BDI)
1122         do_bdinfo(NULL, 0, 0, NULL);
1123 #endif
1124
1125         return 0;
1126 }
1127 #endif /* CONFIG_SYS_BOOT_GET_KBD */
1128
1129 #ifdef CONFIG_LMB
1130 int image_setup_linux(bootm_headers_t *images)
1131 {
1132         ulong of_size = images->ft_len;
1133         char **of_flat_tree = &images->ft_addr;
1134         ulong *initrd_start = &images->initrd_start;
1135         ulong *initrd_end = &images->initrd_end;
1136         struct lmb *lmb = &images->lmb;
1137         ulong rd_len;
1138         int ret;
1139
1140         if (IMAGE_ENABLE_OF_LIBFDT)
1141                 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree);
1142
1143         if (IMAGE_BOOT_GET_CMDLINE) {
1144                 ret = boot_get_cmdline(lmb, &images->cmdline_start,
1145                                 &images->cmdline_end);
1146                 if (ret) {
1147                         puts("ERROR with allocation of cmdline\n");
1148                         return ret;
1149                 }
1150         }
1151         if (IMAGE_ENABLE_RAMDISK_HIGH) {
1152                 rd_len = images->rd_end - images->rd_start;
1153                 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len,
1154                                 initrd_start, initrd_end);
1155                 if (ret)
1156                         return ret;
1157         }
1158
1159         if (IMAGE_ENABLE_OF_LIBFDT) {
1160                 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size);
1161                 if (ret)
1162                         return ret;
1163         }
1164
1165         if (IMAGE_ENABLE_OF_LIBFDT && of_size) {
1166                 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb);
1167                 if (ret)
1168                         return ret;
1169         }
1170
1171         return 0;
1172 }
1173 #endif /* CONFIG_LMB */
1174 #endif /* !USE_HOSTCC */