diff options
| -rw-r--r-- | common/cmd_bootm.c | 155 |
1 files changed, 144 insertions, 11 deletions
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index daee7bf..96d09e6 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -66,6 +66,11 @@ static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); static void fixup_silent_linux (void); #endif +static image_header_t *image_get_kernel (ulong img_addr, int verify); +#if defined(CONFIG_FIT) +static int fit_check_kernel (const void *fit, int os_noffset, int verify); +#endif + static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[], bootm_headers_t *images, ulong *os_data, ulong *os_len); extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); @@ -125,6 +130,9 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) ulong image_start, image_end; ulong load_start, load_end; ulong mem_start, mem_size; +#if defined(CONFIG_FIT) + int os_noffset; +#endif struct lmb lmb; @@ -145,8 +153,10 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* get kernel image header, start address and length */ os_hdr = boot_get_kernel (cmdtp, flag, argc, argv, &images, &os_data, &os_len); - if (os_len == 0) + if (os_len == 0) { + puts ("ERROR: can't get kernel image!\n"); return 1; + } show_boot_progress (6); @@ -162,8 +172,37 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) break; #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: - fit_unsupported ("bootm"); - return 1; + os_noffset = fit_image_get_node (images.fit_hdr_os, + images.fit_uname_os); + if (os_noffset < 0) { + printf ("Can't get image node for '%s'!\n", + images.fit_uname_os); + return 1; + } + + if (fit_image_get_type (images.fit_hdr_os, os_noffset, &type)) { + puts ("Can't get image type!\n"); + return 1; + } + + if (fit_image_get_comp (images.fit_hdr_os, os_noffset, &comp)) { + puts ("Can't get image compression!\n"); + return 1; + } + + if (fit_image_get_os (images.fit_hdr_os, os_noffset, &os)) { + puts ("Can't get image OS!\n"); + return 1; + } + + image_end = fit_get_end (images.fit_hdr_os); + + if (fit_image_get_load (images.fit_hdr_os, os_noffset, + &load_start)) { + puts ("Can't get image load address!\n"); + return 1; + } + break; #endif default: puts ("ERROR: unknown image format type!\n"); @@ -360,6 +399,47 @@ static image_header_t *image_get_kernel (ulong img_addr, int verify) } /** + * fit_check_kernel - verify FIT format kernel subimage + * @fit_hdr: pointer to the FIT image header + * os_noffset: kernel subimage node offset within FIT image + * @verify: data CRC verification flag + * + * fit_check_kernel() verifies integrity of the kernel subimage and from + * specified FIT image. + * + * returns: + * 1, on success + * 0, on failure + */ +#if defined (CONFIG_FIT) +static int fit_check_kernel (const void *fit, int os_noffset, int verify) +{ + fit_image_print (fit, os_noffset, " "); + + if (verify) { + puts (" Verifying Hash Integrity ... "); + if (!fit_image_check_hashes (fit, os_noffset)) { + puts ("Bad Data Hash\n"); + return 0; + } + puts ("OK\n"); + } + + if (!fit_image_check_target_arch (fit, os_noffset)) { + puts ("Unsupported Architecture\n"); + return 0; + } + + if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) { + puts ("Not a kernel image\n"); + return 0; + } + + return 1; +} +#endif /* CONFIG_FIT */ + +/** * boot_get_kernel - find kernel image * @os_data: pointer to a ulong variable, will hold os data start address * @os_len: pointer to a ulong variable, will hold os data length @@ -380,6 +460,10 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] void *fit_hdr; const char *fit_uname_config = NULL; const char *fit_uname_kernel = NULL; + const void *data; + size_t len; + int conf_noffset; + int os_noffset; #endif /* find out kernel image address */ @@ -403,21 +487,22 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] } show_boot_progress (1); - printf ("## Booting kernel image at %08lx ...\n", img_addr); /* copy from dataflash if needed */ img_addr = genimg_get_image (img_addr); /* check image type, for FIT images get FIT kernel node */ + *os_data = *os_len = 0; switch (genimg_get_format ((void *)img_addr)) { case IMAGE_FORMAT_LEGACY: - - debug ("* kernel: legacy format image\n"); + printf ("## Booting kernel from Legacy Image at %08lx ...\n", + img_addr); hdr = image_get_kernel (img_addr, images->verify); if (!hdr) return NULL; show_boot_progress (5); + /* get os_data and os_len */ switch (image_get_type (hdr)) { case IH_TYPE_KERNEL: *os_data = image_get_data (hdr); @@ -438,17 +523,57 @@ static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] #if defined(CONFIG_FIT) case IMAGE_FORMAT_FIT: fit_hdr = (void *)img_addr; - debug ("* kernel: FIT format image\n"); - fit_unsupported ("kernel"); - return NULL; + printf ("## Booting kernel from FIT Image at %08lx ...\n", + img_addr); + + if (!fit_check_format (fit_hdr)) { + puts ("Bad FIT kernel image format!\n"); + return NULL; + } + + if (!fit_uname_kernel) { + /* + * no kernel image node unit name, try to get config + * node first. If config unit node name is NULL + * fit_conf_get_node() will try to find default config node + */ + conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); + if (conf_noffset < 0) + return NULL; + + os_noffset = fit_conf_get_kernel_node (fit_hdr, conf_noffset); + fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL); + } else { + /* get kernel component image node offset */ + os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel); + } + if (os_noffset < 0) + return NULL; + + printf (" Trying '%s' kernel subimage\n", fit_uname_kernel); + + if (!fit_check_kernel (fit_hdr, os_noffset, images->verify)) + return NULL; + + /* get kernel image data address and length */ + if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) { + puts ("Could not find kernel subimage data!\n"); + return NULL; + } + + *os_len = len; + *os_data = (ulong)data; + images->fit_hdr_os = fit_hdr; + images->fit_uname_os = fit_uname_kernel; + break; #endif default: printf ("Wrong Image Format for %s command\n", cmdtp->name); return NULL; } - debug (" kernel data at 0x%08lx, end = 0x%08lx\n", - *os_data, *os_data + *os_len); + debug (" kernel data at 0x%08lx, len = 0x%08lx (%d)\n", + *os_data, *os_len, *os_len); return (void *)img_addr; } @@ -466,6 +591,14 @@ U_BOOT_CMD( "\tuse a '-' for the second argument. If you do not pass a third\n" "\ta bd_info struct will be passed instead\n" #endif +#if defined(CONFIG_FIT) + "\t\nFor the new multi component uImage format (FIT) addresses\n" + "\tmust be extened to include component or configuration unit name:\n" + "\taddr:<subimg_uname> - direct component image specification\n" + "\taddr#<conf_uname> - configuration specification\n" + "\tUse iminfo command to get the list of existing component\n" + "\timages and configurations.\n" +#endif ); /*******************************************************************/ |