boot/bootm.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2000-2009
   4  * Wolfgang Denk, DENX Software Engineering, [email protected].
   5  */
   6
   7 #ifndef USE_HOSTCC
   8 #include <common.h>
   9 #include <bootstage.h>
  10 #include <cli.h>
  11 #include <command.h>
  12 #include <cpu_func.h>
  13 #include <env.h>
  14 #include <errno.h>
  15 #include <fdt_support.h>
  16 #include <irq_func.h>
  17 #include <lmb.h>
  18 #include <log.h>
  19 #include <malloc.h>
  20 #include <mapmem.h>
  21 #include <net.h>
  22 #include <asm/cache.h>
  23 #include <asm/global_data.h>
  24 #include <asm/io.h>
  25 #include <linux/sizes.h>
  26 #include <tpm-v2.h>
  27 #if defined(CONFIG_CMD_USB)
  28 #include <usb.h>
  29 #endif
  30 #else
  31 #include "mkimage.h"
  32 #endif
  33
  34 #include <bootm.h>
  35 #include <image.h>
  36
  37 #define MAX_CMDLINE_SIZE        SZ_4K
  38
  39 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
  40
  41 #ifndef USE_HOSTCC
  42
  43 DECLARE_GLOBAL_DATA_PTR;
  44
  45 struct bootm_headers images;            /* pointers to os/initrd/fdt images */
  46
  47 __weak void board_quiesce_devices(void)
  48 {
  49 }
  50
  51 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
  52 /**
  53  * image_get_kernel - verify legacy format kernel image
  54  * @img_addr: in RAM address of the legacy format image to be verified
  55  * @verify: data CRC verification flag
  56  *
  57  * image_get_kernel() verifies legacy image integrity and returns pointer to
  58  * legacy image header if image verification was completed successfully.
  59  *
  60  * returns:
  61  *     pointer to a legacy image header if valid image was found
  62  *     otherwise return NULL
  63  */
  64 static struct legacy_img_hdr *image_get_kernel(ulong img_addr, int verify)
  65 {
  66         struct legacy_img_hdr *hdr = (struct legacy_img_hdr *)img_addr;
  67
  68         if (!image_check_magic(hdr)) {
  69                 puts("Bad Magic Number\n");
  70                 bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
  71                 return NULL;
  72         }
  73         bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
  74
  75         if (!image_check_hcrc(hdr)) {
  76                 puts("Bad Header Checksum\n");
  77                 bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
  78                 return NULL;
  79         }
  80
  81         bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
  82         image_print_contents(hdr);
  83
  84         if (verify) {
  85                 puts("   Verifying Checksum ... ");
  86                 if (!image_check_dcrc(hdr)) {
  87                         printf("Bad Data CRC\n");
  88                         bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
  89                         return NULL;
  90                 }
  91                 puts("OK\n");
  92         }
  93         bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
  94
  95         if (!image_check_target_arch(hdr)) {
  96                 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
  97                 bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
  98                 return NULL;
  99         }
 100         return hdr;
 101 }
 102 #endif
 103
 104 /**
 105  * boot_get_kernel() - find kernel image
 106  *
 107  * @addr_fit: first argument to bootm: address, fit configuration, etc.
 108  * @os_data: pointer to a ulong variable, will hold os data start address
 109  * @os_len: pointer to a ulong variable, will hold os data length
 110  *     address and length, otherwise NULL
 111  *     pointer to image header if valid image was found, plus kernel start
 112  * @kernp: image header if valid image was found, otherwise NULL
 113  *
 114  * boot_get_kernel() tries to find a kernel image, verifies its integrity
 115  * and locates kernel data.
 116  *
 117  * Return: 0 on success, -ve on error. -EPROTOTYPE means that the image is in
 118  * a wrong or unsupported format
 119  */
 120 static int boot_get_kernel(const char *addr_fit, struct bootm_headers *images,
 121                            ulong *os_data, ulong *os_len, const void **kernp)
 122 {
 123 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 124         struct legacy_img_hdr   *hdr;
 125 #endif
 126         ulong           img_addr;
 127         const void *buf;
 128         const char *fit_uname_config = NULL, *fit_uname_kernel = NULL;
 129 #if CONFIG_IS_ENABLED(FIT)
 130         int             os_noffset;
 131 #endif
 132
 133 #ifdef CONFIG_ANDROID_BOOT_IMAGE
 134         const void *boot_img;
 135         const void *vendor_boot_img;
 136 #endif
 137         img_addr = genimg_get_kernel_addr_fit(addr_fit, &fit_uname_config,
 138                                               &fit_uname_kernel);
 139
 140         if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD))
 141                 img_addr += image_load_offset;
 142
 143         bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
 144
 145         /* check image type, for FIT images get FIT kernel node */
 146         *os_data = *os_len = 0;
 147         buf = map_sysmem(img_addr, 0);
 148         switch (genimg_get_format(buf)) {
 149 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 150         case IMAGE_FORMAT_LEGACY:
 151                 printf("## Booting kernel from Legacy Image at %08lx ...\n",
 152                        img_addr);
 153                 hdr = image_get_kernel(img_addr, images->verify);
 154                 if (!hdr)
 155                         return -EINVAL;
 156                 bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
 157
 158                 /* get os_data and os_len */
 159                 switch (image_get_type(hdr)) {
 160                 case IH_TYPE_KERNEL:
 161                 case IH_TYPE_KERNEL_NOLOAD:
 162                         *os_data = image_get_data(hdr);
 163                         *os_len = image_get_data_size(hdr);
 164                         break;
 165                 case IH_TYPE_MULTI:
 166                         image_multi_getimg(hdr, 0, os_data, os_len);
 167                         break;
 168                 case IH_TYPE_STANDALONE:
 169                         *os_data = image_get_data(hdr);
 170                         *os_len = image_get_data_size(hdr);
 171                         break;
 172                 default:
 173                         bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
 174                         return -EPROTOTYPE;
 175                 }
 176
 177                 /*
 178                  * copy image header to allow for image overwrites during
 179                  * kernel decompression.
 180                  */
 181                 memmove(&images->legacy_hdr_os_copy, hdr,
 182                         sizeof(struct legacy_img_hdr));
 183
 184                 /* save pointer to image header */
 185                 images->legacy_hdr_os = hdr;
 186
 187                 images->legacy_hdr_valid = 1;
 188                 bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
 189                 break;
 190 #endif
 191 #if CONFIG_IS_ENABLED(FIT)
 192         case IMAGE_FORMAT_FIT:
 193                 os_noffset = fit_image_load(images, img_addr,
 194                                 &fit_uname_kernel, &fit_uname_config,
 195                                 IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
 196                                 BOOTSTAGE_ID_FIT_KERNEL_START,
 197                                 FIT_LOAD_IGNORED, os_data, os_len);
 198                 if (os_noffset < 0)
 199                         return -ENOENT;
 200
 201                 images->fit_hdr_os = map_sysmem(img_addr, 0);
 202                 images->fit_uname_os = fit_uname_kernel;
 203                 images->fit_uname_cfg = fit_uname_config;
 204                 images->fit_noffset_os = os_noffset;
 205                 break;
 206 #endif
 207 #ifdef CONFIG_ANDROID_BOOT_IMAGE
 208         case IMAGE_FORMAT_ANDROID: {
 209                 int ret;
 210
 211                 boot_img = buf;
 212                 vendor_boot_img = NULL;
 213                 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
 214                         boot_img = map_sysmem(get_abootimg_addr(), 0);
 215                         vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0);
 216                 }
 217                 printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
 218                 ret = android_image_get_kernel(boot_img, vendor_boot_img,
 219                                                images->verify, os_data, os_len);
 220                 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
 221                         unmap_sysmem(vendor_boot_img);
 222                         unmap_sysmem(boot_img);
 223                 }
 224                 if (ret)
 225                         return ret;
 226                 break;
 227         }
 228 #endif
 229         default:
 230                 bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
 231                 return -EPROTOTYPE;
 232         }
 233
 234         debug("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
 235               *os_data, *os_len, *os_len);
 236         *kernp = buf;
 237
 238         return 0;
 239 }
 240
 241 #ifdef CONFIG_LMB
 242 static void boot_start_lmb(struct bootm_headers *images)
 243 {
 244         ulong           mem_start;
 245         phys_size_t     mem_size;
 246
 247         mem_start = env_get_bootm_low();
 248         mem_size = env_get_bootm_size();
 249
 250         lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start,
 251                                    mem_size, NULL);
 252 }
 253 #else
 254 #define lmb_reserve(lmb, base, size)
 255 static inline void boot_start_lmb(struct bootm_headers *images) { }
 256 #endif
 257
 258 static int bootm_start(void)
 259 {
 260         memset((void *)&images, 0, sizeof(images));
 261         images.verify = env_get_yesno("verify");
 262
 263         boot_start_lmb(&images);
 264
 265         bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
 266         images.state = BOOTM_STATE_START;
 267
 268         return 0;
 269 }
 270
 271 static ulong bootm_data_addr(const char *addr_str)
 272 {
 273         ulong addr;
 274
 275         if (addr_str)
 276                 addr = hextoul(addr_str, NULL);
 277         else
 278                 addr = image_load_addr;
 279
 280         return addr;
 281 }
 282
 283 /**
 284  * bootm_pre_load() - Handle the pre-load processing
 285  *
 286  * This can be used to do a full signature check of the image, for example.
 287  * It calls image_pre_load() with the data address of the image to check.
 288  *
 289  * @addr_str: String containing load address in hex, or NULL to use
 290  * image_load_addr
 291  * Return: 0 if OK, CMD_RET_FAILURE on failure
 292  */
 293 static int bootm_pre_load(const char *addr_str)
 294 {
 295         ulong data_addr = bootm_data_addr(addr_str);
 296         int ret = 0;
 297
 298         if (IS_ENABLED(CONFIG_CMD_BOOTM_PRE_LOAD))
 299                 ret = image_pre_load(data_addr);
 300
 301         if (ret)
 302                 ret = CMD_RET_FAILURE;
 303
 304         return ret;
 305 }
 306
 307 /**
 308  * bootm_find_os(): Find the OS to boot
 309  *
 310  * @cmd_name: Command name that started this boot, e.g. "bootm"
 311  * @addr_fit: Address and/or FIT specifier (first arg of bootm command)
 312  * Return: 0 on success, -ve on error
 313  */
 314 static int bootm_find_os(const char *cmd_name, const char *addr_fit)
 315 {
 316         const void *os_hdr;
 317 #ifdef CONFIG_ANDROID_BOOT_IMAGE
 318         const void *vendor_boot_img;
 319         const void *boot_img;
 320 #endif
 321         bool ep_found = false;
 322         int ret;
 323
 324         /* get kernel image header, start address and length */
 325         ret = boot_get_kernel(addr_fit, &images, &images.os.image_start,
 326                               &images.os.image_len, &os_hdr);
 327         if (ret) {
 328                 if (ret == -EPROTOTYPE)
 329                         printf("Wrong Image Type for %s command\n", cmd_name);
 330
 331                 printf("ERROR %dE: can't get kernel image!\n", ret);
 332                 return 1;
 333         }
 334
 335         /* get image parameters */
 336         switch (genimg_get_format(os_hdr)) {
 337 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 338         case IMAGE_FORMAT_LEGACY:
 339                 images.os.type = image_get_type(os_hdr);
 340                 images.os.comp = image_get_comp(os_hdr);
 341                 images.os.os = image_get_os(os_hdr);
 342
 343                 images.os.end = image_get_image_end(os_hdr);
 344                 images.os.load = image_get_load(os_hdr);
 345                 images.os.arch = image_get_arch(os_hdr);
 346                 break;
 347 #endif
 348 #if CONFIG_IS_ENABLED(FIT)
 349         case IMAGE_FORMAT_FIT:
 350                 if (fit_image_get_type(images.fit_hdr_os,
 351                                        images.fit_noffset_os,
 352                                        &images.os.type)) {
 353                         puts("Can't get image type!\n");
 354                         bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
 355                         return 1;
 356                 }
 357
 358                 if (fit_image_get_comp(images.fit_hdr_os,
 359                                        images.fit_noffset_os,
 360                                        &images.os.comp)) {
 361                         puts("Can't get image compression!\n");
 362                         bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
 363                         return 1;
 364                 }
 365
 366                 if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
 367                                      &images.os.os)) {
 368                         puts("Can't get image OS!\n");
 369                         bootstage_error(BOOTSTAGE_ID_FIT_OS);
 370                         return 1;
 371                 }
 372
 373                 if (fit_image_get_arch(images.fit_hdr_os,
 374                                        images.fit_noffset_os,
 375                                        &images.os.arch)) {
 376                         puts("Can't get image ARCH!\n");
 377                         return 1;
 378                 }
 379
 380                 images.os.end = fit_get_end(images.fit_hdr_os);
 381
 382                 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
 383                                        &images.os.load)) {
 384                         puts("Can't get image load address!\n");
 385                         bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
 386                         return 1;
 387                 }
 388                 break;
 389 #endif
 390 #ifdef CONFIG_ANDROID_BOOT_IMAGE
 391         case IMAGE_FORMAT_ANDROID:
 392                 boot_img = os_hdr;
 393                 vendor_boot_img = NULL;
 394                 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
 395                         boot_img = map_sysmem(get_abootimg_addr(), 0);
 396                         vendor_boot_img = map_sysmem(get_avendor_bootimg_addr(), 0);
 397                 }
 398                 images.os.type = IH_TYPE_KERNEL;
 399                 images.os.comp = android_image_get_kcomp(boot_img, vendor_boot_img);
 400                 images.os.os = IH_OS_LINUX;
 401                 images.os.end = android_image_get_end(boot_img, vendor_boot_img);
 402                 images.os.load = android_image_get_kload(boot_img, vendor_boot_img);
 403                 images.ep = images.os.load;
 404                 ep_found = true;
 405                 if (IS_ENABLED(CONFIG_CMD_ABOOTIMG)) {
 406                         unmap_sysmem(vendor_boot_img);
 407                         unmap_sysmem(boot_img);
 408                 }
 409                 break;
 410 #endif
 411         default:
 412                 puts("ERROR: unknown image format type!\n");
 413                 return 1;
 414         }
 415
 416         /* If we have a valid setup.bin, we will use that for entry (x86) */
 417         if (images.os.arch == IH_ARCH_I386 ||
 418             images.os.arch == IH_ARCH_X86_64) {
 419                 ulong len;
 420
 421                 ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
 422                 if (ret < 0 && ret != -ENOENT) {
 423                         puts("Could not find a valid setup.bin for x86\n");
 424                         return 1;
 425                 }
 426                 /* Kernel entry point is the setup.bin */
 427         } else if (images.legacy_hdr_valid) {
 428                 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
 429 #if CONFIG_IS_ENABLED(FIT)
 430         } else if (images.fit_uname_os) {
 431                 int ret;
 432
 433                 ret = fit_image_get_entry(images.fit_hdr_os,
 434                                           images.fit_noffset_os, &images.ep);
 435                 if (ret) {
 436                         puts("Can't get entry point property!\n");
 437                         return 1;
 438                 }
 439 #endif
 440         } else if (!ep_found) {
 441                 puts("Could not find kernel entry point!\n");
 442                 return 1;
 443         }
 444
 445         if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
 446                 if (IS_ENABLED(CONFIG_CMD_BOOTI) &&
 447                     images.os.arch == IH_ARCH_ARM64 &&
 448                     images.os.os == IH_OS_LINUX) {
 449                         ulong image_addr;
 450                         ulong image_size;
 451
 452                         ret = booti_setup(images.os.image_start, &image_addr,
 453                                           &image_size, true);
 454                         if (ret != 0)
 455                                 return 1;
 456
 457                         images.os.type = IH_TYPE_KERNEL;
 458                         images.os.load = image_addr;
 459                         images.ep = image_addr;
 460                 } else {
 461                         images.os.load = images.os.image_start;
 462                         images.ep += images.os.image_start;
 463                 }
 464         }
 465
 466         images.os.start = map_to_sysmem(os_hdr);
 467
 468         return 0;
 469 }
 470
 471 /**
 472  * bootm_find_images - wrapper to find and locate various images
 473  * @flag: Ignored Argument
 474  * @argc: command argument count
 475  * @argv: command argument list
 476  * @start: OS image start address
 477  * @size: OS image size
 478  *
 479  * boot_find_images() will attempt to load an available ramdisk,
 480  * flattened device tree, as well as specifically marked
 481  * "loadable" images (loadables are FIT only)
 482  *
 483  * Note: bootm_find_images will skip an image if it is not found
 484  *
 485  * @return:
 486  *     0, if all existing images were loaded correctly
 487  *     1, if an image is found but corrupted, or invalid
 488  */
 489 int bootm_find_images(int flag, int argc, char *const argv[], ulong start,
 490                       ulong size)
 491 {
 492         const char *select = NULL;
 493         char addr_str[17];
 494         ulong img_addr;
 495         void *buf;
 496         int ret;
 497
 498         img_addr = argc ? hextoul(argv[0], NULL) : image_load_addr;
 499
 500         if (IS_ENABLED(CONFIG_ANDROID_BOOT_IMAGE)) {
 501                 /* Look for an Android boot image */
 502                 buf = map_sysmem(images.os.start, 0);
 503                 if (buf && genimg_get_format(buf) == IMAGE_FORMAT_ANDROID) {
 504                         strcpy(addr_str, simple_xtoa(img_addr));
 505                         select = addr_str;
 506                 }
 507         }
 508
 509         if (argc >= 2)
 510                 select = argv[1];
 511
 512         /* find ramdisk */
 513         ret = boot_get_ramdisk(select, &images, IH_INITRD_ARCH,
 514                                &images.rd_start, &images.rd_end);
 515         if (ret) {
 516                 puts("Ramdisk image is corrupt or invalid\n");
 517                 return 1;
 518         }
 519
 520         /* check if ramdisk overlaps OS image */
 521         if (images.rd_start && (((ulong)images.rd_start >= start &&
 522                                  (ulong)images.rd_start < start + size) ||
 523                                 ((ulong)images.rd_end > start &&
 524                                  (ulong)images.rd_end <= start + size) ||
 525                                 ((ulong)images.rd_start < start &&
 526                                  (ulong)images.rd_end >= start + size))) {
 527                 printf("ERROR: RD image overlaps OS image (OS=0x%lx..0x%lx)\n",
 528                        start, start + size);
 529                 return 1;
 530         }
 531
 532         if (CONFIG_IS_ENABLED(OF_LIBFDT)) {
 533                 buf = map_sysmem(img_addr, 0);
 534
 535                 /* find flattened device tree */
 536                 ret = boot_get_fdt(buf, argc > 2 ? argv[2] : NULL,
 537                                    IH_ARCH_DEFAULT, &images, &images.ft_addr,
 538                                    &images.ft_len);
 539                 if (ret) {
 540                         puts("Could not find a valid device tree\n");
 541                         return 1;
 542                 }
 543
 544                 /* check if FDT overlaps OS image */
 545                 if (images.ft_addr &&
 546                     (((ulong)images.ft_addr >= start &&
 547                       (ulong)images.ft_addr < start + size) ||
 548                      ((ulong)images.ft_addr + images.ft_len >= start &&
 549                       (ulong)images.ft_addr + images.ft_len < start + size))) {
 550                         printf("ERROR: FDT image overlaps OS image (OS=0x%lx..0x%lx)\n",
 551                                start, start + size);
 552                         return 1;
 553                 }
 554
 555                 if (IS_ENABLED(CONFIG_CMD_FDT))
 556                         set_working_fdt_addr(map_to_sysmem(images.ft_addr));
 557         }
 558
 559 #if CONFIG_IS_ENABLED(FIT)
 560         if (IS_ENABLED(CONFIG_FPGA)) {
 561                 /* find bitstreams */
 562                 ret = boot_get_fpga(&images);
 563                 if (ret) {
 564                         printf("FPGA image is corrupted or invalid\n");
 565                         return 1;
 566                 }
 567         }
 568
 569         /* find all of the loadables */
 570         ret = boot_get_loadable(&images);
 571         if (ret) {
 572                 printf("Loadable(s) is corrupt or invalid\n");
 573                 return 1;
 574         }
 575 #endif
 576
 577         return 0;
 578 }
 579
 580 static int bootm_find_other(struct cmd_tbl *cmdtp, int flag, int argc,
 581                             char *const argv[])
 582 {
 583         if (((images.os.type == IH_TYPE_KERNEL) ||
 584              (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
 585              (images.os.type == IH_TYPE_MULTI)) &&
 586             (images.os.os == IH_OS_LINUX ||
 587                  images.os.os == IH_OS_VXWORKS))
 588                 return bootm_find_images(flag, argc, argv, 0, 0);
 589
 590         return 0;
 591 }
 592 #endif /* USE_HOSTC */
 593
 594 #if !defined(USE_HOSTCC) || defined(CONFIG_FIT_SIGNATURE)
 595 /**
 596  * handle_decomp_error() - display a decompression error
 597  *
 598  * This function tries to produce a useful message. In the case where the
 599  * uncompressed size is the same as the available space, we can assume that
 600  * the image is too large for the buffer.
 601  *
 602  * @comp_type:          Compression type being used (IH_COMP_...)
 603  * @uncomp_size:        Number of bytes uncompressed
 604  * @buf_size:           Number of bytes the decompresion buffer was
 605  * @ret:                errno error code received from compression library
 606  * Return: Appropriate BOOTM_ERR_ error code
 607  */
 608 static int handle_decomp_error(int comp_type, size_t uncomp_size,
 609                                size_t buf_size, int ret)
 610 {
 611         const char *name = genimg_get_comp_name(comp_type);
 612
 613         /* ENOSYS means unimplemented compression type, don't reset. */
 614         if (ret == -ENOSYS)
 615                 return BOOTM_ERR_UNIMPLEMENTED;
 616
 617         if (uncomp_size >= buf_size)
 618                 printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
 619         else
 620                 printf("%s: uncompress error %d\n", name, ret);
 621
 622         /*
 623          * The decompression routines are now safe, so will not write beyond
 624          * their bounds. Probably it is not necessary to reset, but maintain
 625          * the current behaviour for now.
 626          */
 627         printf("Must RESET board to recover\n");
 628 #ifndef USE_HOSTCC
 629         bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
 630 #endif
 631
 632         return BOOTM_ERR_RESET;
 633 }
 634 #endif
 635
 636 #ifndef USE_HOSTCC
 637 static int bootm_load_os(struct bootm_headers *images, int boot_progress)
 638 {
 639         struct image_info os = images->os;
 640         ulong load = os.load;
 641         ulong load_end;
 642         ulong blob_start = os.start;
 643         ulong blob_end = os.end;
 644         ulong image_start = os.image_start;
 645         ulong image_len = os.image_len;
 646         ulong flush_start = ALIGN_DOWN(load, ARCH_DMA_MINALIGN);
 647         bool no_overlap;
 648         void *load_buf, *image_buf;
 649         int err;
 650
 651         load_buf = map_sysmem(load, 0);
 652         image_buf = map_sysmem(os.image_start, image_len);
 653         err = image_decomp(os.comp, load, os.image_start, os.type,
 654                            load_buf, image_buf, image_len,
 655                            CONFIG_SYS_BOOTM_LEN, &load_end);
 656         if (err) {
 657                 err = handle_decomp_error(os.comp, load_end - load,
 658                                           CONFIG_SYS_BOOTM_LEN, err);
 659                 bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
 660                 return err;
 661         }
 662         /* We need the decompressed image size in the next steps */
 663         images->os.image_len = load_end - load;
 664
 665         flush_cache(flush_start, ALIGN(load_end, ARCH_DMA_MINALIGN) - flush_start);
 666
 667         debug("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load, load_end);
 668         bootstage_mark(BOOTSTAGE_ID_KERNEL_LOADED);
 669
 670         no_overlap = (os.comp == IH_COMP_NONE && load == image_start);
 671
 672         if (!no_overlap && load < blob_end && load_end > blob_start) {
 673                 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
 674                       blob_start, blob_end);
 675                 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
 676                       load_end);
 677
 678                 /* Check what type of image this is. */
 679                 if (images->legacy_hdr_valid) {
 680                         if (image_get_type(&images->legacy_hdr_os_copy)
 681                                         == IH_TYPE_MULTI)
 682                                 puts("WARNING: legacy format multi component image overwritten\n");
 683                         return BOOTM_ERR_OVERLAP;
 684                 } else {
 685                         puts("ERROR: new format image overwritten - must RESET the board to recover\n");
 686                         bootstage_error(BOOTSTAGE_ID_OVERWRITTEN);
 687                         return BOOTM_ERR_RESET;
 688                 }
 689         }
 690
 691         lmb_reserve(&images->lmb, images->os.load, (load_end -
 692                                                     images->os.load));
 693         return 0;
 694 }
 695
 696 /**
 697  * bootm_disable_interrupts() - Disable interrupts in preparation for load/boot
 698  *
 699  * Return: interrupt flag (0 if interrupts were disabled, non-zero if they were
 700  *      enabled)
 701  */
 702 ulong bootm_disable_interrupts(void)
 703 {
 704         ulong iflag;
 705
 706         /*
 707          * We have reached the point of no return: we are going to
 708          * overwrite all exception vector code, so we cannot easily
 709          * recover from any failures any more...
 710          */
 711         iflag = disable_interrupts();
 712 #ifdef CONFIG_NETCONSOLE
 713         /* Stop the ethernet stack if NetConsole could have left it up */
 714         eth_halt();
 715 #endif
 716
 717 #if defined(CONFIG_CMD_USB)
 718         /*
 719          * turn off USB to prevent the host controller from writing to the
 720          * SDRAM while Linux is booting. This could happen (at least for OHCI
 721          * controller), because the HCCA (Host Controller Communication Area)
 722          * lies within the SDRAM and the host controller writes continously to
 723          * this area (as busmaster!). The HccaFrameNumber is for example
 724          * updated every 1 ms within the HCCA structure in SDRAM! For more
 725          * details see the OpenHCI specification.
 726          */
 727         usb_stop();
 728 #endif
 729         return iflag;
 730 }
 731
 732 #define CONSOLE_ARG             "console="
 733 #define NULL_CONSOLE            (CONSOLE_ARG "ttynull")
 734 #define CONSOLE_ARG_SIZE        sizeof(NULL_CONSOLE)
 735
 736 /**
 737  * fixup_silent_linux() - Handle silencing the linux boot if required
 738  *
 739  * This uses the silent_linux envvar to control whether to add/set a "console="
 740  * parameter to the command line
 741  *
 742  * @buf: Buffer containing the string to process
 743  * @maxlen: Maximum length of buffer
 744  * Return: 0 if OK, -ENOSPC if @maxlen is too small
 745  */
 746 static int fixup_silent_linux(char *buf, int maxlen)
 747 {
 748         int want_silent;
 749         char *cmdline;
 750         int size;
 751
 752         /*
 753          * Move the input string to the end of buffer. The output string will be
 754          * built up at the start.
 755          */
 756         size = strlen(buf) + 1;
 757         if (size * 2 > maxlen)
 758                 return -ENOSPC;
 759         cmdline = buf + maxlen - size;
 760         memmove(cmdline, buf, size);
 761         /*
 762          * Only fix cmdline when requested. The environment variable can be:
 763          *
 764          *      no - we never fixup
 765          *      yes - we always fixup
 766          *      unset - we rely on the console silent flag
 767          */
 768         want_silent = env_get_yesno("silent_linux");
 769         if (want_silent == 0)
 770                 return 0;
 771         else if (want_silent == -1 && !(gd->flags & GD_FLG_SILENT))
 772                 return 0;
 773
 774         debug("before silent fix-up: %s\n", cmdline);
 775         if (*cmdline) {
 776                 char *start = strstr(cmdline, CONSOLE_ARG);
 777
 778                 /* Check space for maximum possible new command line */
 779                 if (size + CONSOLE_ARG_SIZE > maxlen)
 780                         return -ENOSPC;
 781
 782                 if (start) {
 783                         char *end = strchr(start, ' ');
 784                         int start_bytes;
 785
 786                         start_bytes = start - cmdline;
 787                         strncpy(buf, cmdline, start_bytes);
 788                         strncpy(buf + start_bytes, NULL_CONSOLE, CONSOLE_ARG_SIZE);
 789                         if (end)
 790                                 strcpy(buf + start_bytes + CONSOLE_ARG_SIZE - 1, end);
 791                         else
 792                                 buf[start_bytes + CONSOLE_ARG_SIZE] = '\0';
 793                 } else {
 794                         sprintf(buf, "%s %s", cmdline, NULL_CONSOLE);
 795                 }
 796                 if (buf + strlen(buf) >= cmdline)
 797                         return -ENOSPC;
 798         } else {
 799                 if (maxlen < CONSOLE_ARG_SIZE)
 800                         return -ENOSPC;
 801                 strcpy(buf, NULL_CONSOLE);
 802         }
 803         debug("after silent fix-up: %s\n", buf);
 804
 805         return 0;
 806 }
 807
 808 /**
 809  * process_subst() - Handle substitution of ${...} fields in the environment
 810  *
 811  * Handle variable substitution in the provided buffer
 812  *
 813  * @buf: Buffer containing the string to process
 814  * @maxlen: Maximum length of buffer
 815  * Return: 0 if OK, -ENOSPC if @maxlen is too small
 816  */
 817 static int process_subst(char *buf, int maxlen)
 818 {
 819         char *cmdline;
 820         int size;
 821         int ret;
 822
 823         /* Move to end of buffer */
 824         size = strlen(buf) + 1;
 825         cmdline = buf + maxlen - size;
 826         if (buf + size > cmdline)
 827                 return -ENOSPC;
 828         memmove(cmdline, buf, size);
 829
 830         ret = cli_simple_process_macros(cmdline, buf, cmdline - buf);
 831
 832         return ret;
 833 }
 834
 835 int bootm_process_cmdline(char *buf, int maxlen, int flags)
 836 {
 837         int ret;
 838
 839         /* Check config first to enable compiler to eliminate code */
 840         if (IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
 841             !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) &&
 842             (flags & BOOTM_CL_SILENT)) {
 843                 ret = fixup_silent_linux(buf, maxlen);
 844                 if (ret)
 845                         return log_msg_ret("silent", ret);
 846         }
 847         if (IS_ENABLED(CONFIG_BOOTARGS_SUBST) && IS_ENABLED(CONFIG_CMDLINE) &&
 848             (flags & BOOTM_CL_SUBST)) {
 849                 ret = process_subst(buf, maxlen);
 850                 if (ret)
 851                         return log_msg_ret("subst", ret);
 852         }
 853
 854         return 0;
 855 }
 856
 857 int bootm_process_cmdline_env(int flags)
 858 {
 859         const int maxlen = MAX_CMDLINE_SIZE;
 860         bool do_silent;
 861         const char *env;
 862         char *buf;
 863         int ret;
 864
 865         /* First check if any action is needed */
 866         do_silent = IS_ENABLED(CONFIG_SILENT_CONSOLE) &&
 867             !IS_ENABLED(CONFIG_SILENT_U_BOOT_ONLY) && (flags & BOOTM_CL_SILENT);
 868         if (!do_silent && !IS_ENABLED(CONFIG_BOOTARGS_SUBST))
 869                 return 0;
 870
 871         env = env_get("bootargs");
 872         if (env && strlen(env) >= maxlen)
 873                 return -E2BIG;
 874         buf = malloc(maxlen);
 875         if (!buf)
 876                 return -ENOMEM;
 877         if (env)
 878                 strcpy(buf, env);
 879         else
 880                 *buf = '\0';
 881         ret = bootm_process_cmdline(buf, maxlen, flags);
 882         if (!ret) {
 883                 ret = env_set("bootargs", buf);
 884
 885                 /*
 886                  * If buf is "" and bootargs does not exist, this will produce
 887                  * an error trying to delete bootargs. Ignore it
 888                  */
 889                 if (ret == -ENOENT)
 890                         ret = 0;
 891         }
 892         free(buf);
 893         if (ret)
 894                 return log_msg_ret("env", ret);
 895
 896         return 0;
 897 }
 898
 899 int bootm_measure(struct bootm_headers *images)
 900 {
 901         int ret = 0;
 902
 903         /* Skip measurement if EFI is going to do it */
 904         if (images->os.os == IH_OS_EFI &&
 905             IS_ENABLED(CONFIG_EFI_TCG2_PROTOCOL) &&
 906             IS_ENABLED(CONFIG_BOOTM_EFI))
 907                 return ret;
 908
 909         if (IS_ENABLED(CONFIG_MEASURED_BOOT)) {
 910                 struct tcg2_event_log elog;
 911                 struct udevice *dev;
 912                 void *initrd_buf;
 913                 void *image_buf;
 914                 const char *s;
 915                 u32 rd_len;
 916                 bool ign;
 917
 918                 elog.log_size = 0;
 919                 ign = IS_ENABLED(CONFIG_MEASURE_IGNORE_LOG);
 920                 ret = tcg2_measurement_init(&dev, &elog, ign);
 921                 if (ret)
 922                         return ret;
 923
 924                 image_buf = map_sysmem(images->os.image_start,
 925                                        images->os.image_len);
 926                 ret = tcg2_measure_data(dev, &elog, 8, images->os.image_len,
 927                                         image_buf, EV_COMPACT_HASH,
 928                                         strlen("linux") + 1, (u8 *)"linux");
 929                 if (ret)
 930                         goto unmap_image;
 931
 932                 rd_len = images->rd_end - images->rd_start;
 933                 initrd_buf = map_sysmem(images->rd_start, rd_len);
 934                 ret = tcg2_measure_data(dev, &elog, 9, rd_len, initrd_buf,
 935                                         EV_COMPACT_HASH, strlen("initrd") + 1,
 936                                         (u8 *)"initrd");
 937                 if (ret)
 938                         goto unmap_initrd;
 939
 940                 if (IS_ENABLED(CONFIG_MEASURE_DEVICETREE)) {
 941                         ret = tcg2_measure_data(dev, &elog, 0, images->ft_len,
 942                                                 (u8 *)images->ft_addr,
 943                                                 EV_TABLE_OF_DEVICES,
 944                                                 strlen("dts") + 1,
 945                                                 (u8 *)"dts");
 946                         if (ret)
 947                                 goto unmap_initrd;
 948                 }
 949
 950                 s = env_get("bootargs");
 951                 if (!s)
 952                         s = "";
 953                 ret = tcg2_measure_data(dev, &elog, 1, strlen(s) + 1, (u8 *)s,
 954                                         EV_PLATFORM_CONFIG_FLAGS,
 955                                         strlen(s) + 1, (u8 *)s);
 956
 957 unmap_initrd:
 958                 unmap_sysmem(initrd_buf);
 959
 960 unmap_image:
 961                 unmap_sysmem(image_buf);
 962                 tcg2_measurement_term(dev, &elog, ret != 0);
 963         }
 964
 965         return ret;
 966 }
 967
 968 /**
 969  * Execute selected states of the bootm command.
 970  *
 971  * Note the arguments to this state must be the first argument, Any 'bootm'
 972  * or sub-command arguments must have already been taken.
 973  *
 974  * Note that if states contains more than one flag it MUST contain
 975  * BOOTM_STATE_START, since this handles and consumes the command line args.
 976  *
 977  * Also note that aside from boot_os_fn functions and bootm_load_os no other
 978  * functions we store the return value of in 'ret' may use a negative return
 979  * value, without special handling.
 980  *
 981  * @param cmdtp         Pointer to bootm command table entry
 982  * @param flag          Command flags (CMD_FLAG_...)
 983  * @param argc          Number of subcommand arguments (0 = no arguments)
 984  * @param argv          Arguments
 985  * @param states        Mask containing states to run (BOOTM_STATE_...)
 986  * @param images        Image header information
 987  * @param boot_progress 1 to show boot progress, 0 to not do this
 988  * Return: 0 if ok, something else on error. Some errors will cause this
 989  *      function to perform a reboot! If states contains BOOTM_STATE_OS_GO
 990  *      then the intent is to boot an OS, so this function will not return
 991  *      unless the image type is standalone.
 992  */
 993 int do_bootm_states(struct cmd_tbl *cmdtp, int flag, int argc,
 994                     char *const argv[], int states, struct bootm_headers *images,
 995                     int boot_progress)
 996 {
 997         boot_os_fn *boot_fn;
 998         ulong iflag = 0;
 999         int ret = 0, need_boot_fn;
1000
1001         images->state |= states;
1002
1003         /*
1004          * Work through the states and see how far we get. We stop on
1005          * any error.
1006          */
1007         if (states & BOOTM_STATE_START)
1008                 ret = bootm_start();
1009
1010         if (!ret && (states & BOOTM_STATE_PRE_LOAD))
1011                 ret = bootm_pre_load(argv[0]);
1012
1013         if (!ret && (states & BOOTM_STATE_FINDOS))
1014                 ret = bootm_find_os(cmdtp->name, argv[0]);
1015
1016         if (!ret && (states & BOOTM_STATE_FINDOTHER))
1017                 ret = bootm_find_other(cmdtp, flag, argc, argv);
1018
1019         if (IS_ENABLED(CONFIG_MEASURED_BOOT) && !ret &&
1020             (states & BOOTM_STATE_MEASURE))
1021                 bootm_measure(images);
1022
1023         /* Load the OS */
1024         if (!ret && (states & BOOTM_STATE_LOADOS)) {
1025                 iflag = bootm_disable_interrupts();
1026                 ret = bootm_load_os(images, 0);
1027                 if (ret && ret != BOOTM_ERR_OVERLAP)
1028                         goto err;
1029                 else if (ret == BOOTM_ERR_OVERLAP)
1030                         ret = 0;
1031         }
1032
1033         /* Relocate the ramdisk */
1034 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
1035         if (!ret && (states & BOOTM_STATE_RAMDISK)) {
1036                 ulong rd_len = images->rd_end - images->rd_start;
1037
1038                 ret = boot_ramdisk_high(&images->lmb, images->rd_start,
1039                         rd_len, &images->initrd_start, &images->initrd_end);
1040                 if (!ret) {
1041                         env_set_hex("initrd_start", images->initrd_start);
1042                         env_set_hex("initrd_end", images->initrd_end);
1043                 }
1044         }
1045 #endif
1046 #if CONFIG_IS_ENABLED(OF_LIBFDT) && defined(CONFIG_LMB)
1047         if (!ret && (states & BOOTM_STATE_FDT)) {
1048                 boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr);
1049                 ret = boot_relocate_fdt(&images->lmb, &images->ft_addr,
1050                                         &images->ft_len);
1051         }
1052 #endif
1053
1054         /* From now on, we need the OS boot function */
1055         if (ret)
1056                 return ret;
1057         boot_fn = bootm_os_get_boot_func(images->os.os);
1058         need_boot_fn = states & (BOOTM_STATE_OS_CMDLINE |
1059                         BOOTM_STATE_OS_BD_T | BOOTM_STATE_OS_PREP |
1060                         BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO);
1061         if (boot_fn == NULL && need_boot_fn) {
1062                 if (iflag)
1063                         enable_interrupts();
1064                 printf("ERROR: booting os '%s' (%d) is not supported\n",
1065                        genimg_get_os_name(images->os.os), images->os.os);
1066                 bootstage_error(BOOTSTAGE_ID_CHECK_BOOT_OS);
1067                 return 1;
1068         }
1069
1070
1071         /* Call various other states that are not generally used */
1072         if (!ret && (states & BOOTM_STATE_OS_CMDLINE))
1073                 ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, images);
1074         if (!ret && (states & BOOTM_STATE_OS_BD_T))
1075                 ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, images);
1076         if (!ret && (states & BOOTM_STATE_OS_PREP)) {
1077                 ret = bootm_process_cmdline_env(images->os.os == IH_OS_LINUX);
1078                 if (ret) {
1079                         printf("Cmdline setup failed (err=%d)\n", ret);
1080                         ret = CMD_RET_FAILURE;
1081                         goto err;
1082                 }
1083                 ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, images);
1084         }
1085
1086 #ifdef CONFIG_TRACE
1087         /* Pretend to run the OS, then run a user command */
1088         if (!ret && (states & BOOTM_STATE_OS_FAKE_GO)) {
1089                 char *cmd_list = env_get("fakegocmd");
1090
1091                 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_FAKE_GO,
1092                                 images, boot_fn);
1093                 if (!ret && cmd_list)
1094                         ret = run_command_list(cmd_list, -1, flag);
1095         }
1096 #endif
1097
1098         /* Check for unsupported subcommand. */
1099         if (ret) {
1100                 printf("subcommand failed (err=%d)\n", ret);
1101                 return ret;
1102         }
1103
1104         /* Now run the OS! We hope this doesn't return */
1105         if (!ret && (states & BOOTM_STATE_OS_GO))
1106                 ret = boot_selected_os(argc, argv, BOOTM_STATE_OS_GO,
1107                                 images, boot_fn);
1108
1109         /* Deal with any fallout */
1110 err:
1111         if (iflag)
1112                 enable_interrupts();
1113
1114         if (ret == BOOTM_ERR_UNIMPLEMENTED)
1115                 bootstage_error(BOOTSTAGE_ID_DECOMP_UNIMPL);
1116         else if (ret == BOOTM_ERR_RESET)
1117                 do_reset(cmdtp, flag, argc, argv);
1118
1119         return ret;
1120 }
1121
1122 int bootm_boot_start(ulong addr, const char *cmdline)
1123 {
1124         static struct cmd_tbl cmd = {"bootm"};
1125         char addr_str[30];
1126         char *argv[] = {addr_str, NULL};
1127         int states;
1128         int ret;
1129
1130         /*
1131          * TODO([email protected]): This uses the command-line interface, but
1132          * should not. To clean this up, the various bootm states need to be
1133          * passed an info structure instead of cmdline flags. Then this can
1134          * set up the required info and move through the states without needing
1135          * the command line.
1136          */
1137         states = BOOTM_STATE_START | BOOTM_STATE_FINDOS | BOOTM_STATE_PRE_LOAD |
1138                 BOOTM_STATE_FINDOTHER | BOOTM_STATE_LOADOS |
1139                 BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
1140                 BOOTM_STATE_OS_GO;
1141         if (IS_ENABLED(CONFIG_SYS_BOOT_RAMDISK_HIGH))
1142                 states |= BOOTM_STATE_RAMDISK;
1143         if (IS_ENABLED(CONFIG_PPC) || IS_ENABLED(CONFIG_MIPS))
1144                 states |= BOOTM_STATE_OS_CMDLINE;
1145         images.state |= states;
1146
1147         snprintf(addr_str, sizeof(addr_str), "%lx", addr);
1148
1149         ret = env_set("bootargs", cmdline);
1150         if (ret) {
1151                 printf("Failed to set cmdline\n");
1152                 return ret;
1153         }
1154         ret = do_bootm_states(&cmd, 0, 1, argv, states, &images, 1);
1155
1156         return ret;
1157 }
1158
1159 /**
1160  * switch_to_non_secure_mode() - switch to non-secure mode
1161  *
1162  * This routine is overridden by architectures requiring this feature.
1163  */
1164 void __weak switch_to_non_secure_mode(void)
1165 {
1166 }
1167
1168 #else /* USE_HOSTCC */
1169
1170 #if defined(CONFIG_FIT_SIGNATURE)
1171 static int bootm_host_load_image(const void *fit, int req_image_type,
1172                                  int cfg_noffset)
1173 {
1174         const char *fit_uname_config = NULL;
1175         ulong data, len;
1176         struct bootm_headers images;
1177         int noffset;
1178         ulong load_end, buf_size;
1179         uint8_t image_type;
1180         uint8_t image_comp;
1181         void *load_buf;
1182         int ret;
1183
1184         fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1185         memset(&images, '\0', sizeof(images));
1186         images.verify = 1;
1187         noffset = fit_image_load(&images, (ulong)fit,
1188                 NULL, &fit_uname_config,
1189                 IH_ARCH_DEFAULT, req_image_type, -1,
1190                 FIT_LOAD_IGNORED, &data, &len);
1191         if (noffset < 0)
1192                 return noffset;
1193         if (fit_image_get_type(fit, noffset, &image_type)) {
1194                 puts("Can't get image type!\n");
1195                 return -EINVAL;
1196         }
1197
1198         if (fit_image_get_comp(fit, noffset, &image_comp))
1199                 image_comp = IH_COMP_NONE;
1200
1201         /* Allow the image to expand by a factor of 4, should be safe */
1202         buf_size = (1 << 20) + len * 4;
1203         load_buf = malloc(buf_size);
1204         ret = image_decomp(image_comp, 0, data, image_type, load_buf,
1205                            (void *)data, len, buf_size, &load_end);
1206         free(load_buf);
1207
1208         if (ret) {
1209                 ret = handle_decomp_error(image_comp, load_end - 0, buf_size, ret);
1210                 if (ret != BOOTM_ERR_UNIMPLEMENTED)
1211                         return ret;
1212         }
1213
1214         return 0;
1215 }
1216
1217 int bootm_host_load_images(const void *fit, int cfg_noffset)
1218 {
1219         static uint8_t image_types[] = {
1220                 IH_TYPE_KERNEL,
1221                 IH_TYPE_FLATDT,
1222                 IH_TYPE_RAMDISK,
1223         };
1224         int err = 0;
1225         int i;
1226
1227         for (i = 0; i < ARRAY_SIZE(image_types); i++) {
1228                 int ret;
1229
1230                 ret = bootm_host_load_image(fit, image_types[i], cfg_noffset);
1231                 if (!err && ret && ret != -ENOENT)
1232                         err = ret;
1233         }
1234
1235         /* Return the first error we found */
1236         return err;
1237 }
1238 #endif
1239
1240 #endif /* ndef USE_HOSTCC */