static void image_print_type(const image_header_t *hdr)
{
const char *os, *arch, *type, *comp;
os = image_get_os_name(image_get_os(hdr));
arch = image_get_arch_name(image_get_arch(hdr));
type = image_get_type_name(image_get_type(hdr));
comp = image_get_comp_name(image_get_comp(hdr));
printf ("%s %s %s (%s)\n", arch, os, type, comp);
}
/**
* image_get_kernel - verify legacy format kernel image
* @img_addr: in RAM address of the legacy format image to be verified
* @verify: data CRC verification flag
*
* image_get_kernel() verifies legacy image integrity and returns pointer to
* legacy image header if image verification was completed successfully.
*
* returns:
* pointer to a legacy image header if valid image was found
* otherwise return NULL
*/
static image_header_t *image_get_kernel (ulong img_addr, int verify)
{
image_header_t *hdr = (image_header_t *)img_addr;
if (!image_check_magic(hdr)) {
puts ("Bad Magic Number\n");
show_boot_progress (-1);
return NULL;
}
show_boot_progress (2);
if (!image_check_hcrc (hdr)) {
puts ("Bad Header Checksum\n");
show_boot_progress (-2);
return NULL;
}
#if defined(CONFIG_MX51_BBG) || defined(CONFIG_MX51_3DS)
if (image_get_load(hdr) < 0x90000000)
image_set_load(hdr, image_get_load(hdr)+0x20000000);
if (image_get_ep(hdr) < 0x90000000)
image_set_ep(hdr, image_get_ep(hdr)+0x20000000);
#endif
#if defined(CONFIG_MX6SL)
if (image_get_load(hdr) < 0x80000000)
image_set_load(hdr, image_get_load(hdr)+0x70000000);
if (image_get_ep(hdr) < 0x80000000)
image_set_ep(hdr, image_get_ep(hdr)+0x70000000);
#endif
show_boot_progress (3);
image_print_contents (hdr);
if (verify) {
puts (" Verifying Checksum ... ");
if (!image_check_dcrc (hdr)) {
printf ("Bad Data CRC\n");
show_boot_progress (-3);
return NULL;
}
puts ("OK\n");
}
show_boot_progress (4);
if (!image_check_target_arch (hdr)) {
printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
show_boot_progress (-4);
return NULL;
}
return hdr;
}
/**
* image_get_kernel - verify legacy format kernel image
* @img_addr: in RAM address of the legacy format image to be verified
* @verify: data CRC verification flag
*
* image_get_kernel() verifies legacy image integrity and returns pointer to
* legacy image header if image verification was completed successfully.
*
* returns:
* pointer to a legacy image header if valid image was found
* otherwise return NULL
*/
static image_header_t *image_get_kernel(ulong img_addr, int verify)
{
image_header_t *hdr = (image_header_t *)img_addr;
if (!image_check_magic(hdr)) {
puts("Bad Magic Number\n");
bootstage_error(BOOTSTAGE_ID_CHECK_MAGIC);
return NULL;
}
bootstage_mark(BOOTSTAGE_ID_CHECK_HEADER);
if (!image_check_hcrc(hdr)) {
puts("Bad Header Checksum\n");
bootstage_error(BOOTSTAGE_ID_CHECK_HEADER);
return NULL;
}
bootstage_mark(BOOTSTAGE_ID_CHECK_CHECKSUM);
image_print_contents(hdr);
if (verify) {
puts(" Verifying Checksum ... ");
if (!image_check_dcrc(hdr)) {
printf("Bad Data CRC\n");
bootstage_error(BOOTSTAGE_ID_CHECK_CHECKSUM);
return NULL;
}
puts("OK\n");
}
bootstage_mark(BOOTSTAGE_ID_CHECK_ARCH);
if (!image_check_target_arch(hdr)) {
printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
bootstage_error(BOOTSTAGE_ID_CHECK_ARCH);
return NULL;
}
return hdr;
}
/**
* image_get_kernel - verify legacy format kernel image
* @img_addr: in RAM address of the legacy format image to be verified
* @verify: data CRC verification flag
*
* image_get_kernel() verifies legacy image integrity and returns pointer to
* legacy image header if image verification was completed successfully.
*
* returns:
* pointer to a legacy image header if valid image was found
* otherwise return NULL
*/
static image_header_t *image_get_kernel (ulong img_addr, int verify)
{
image_header_t *hdr = (image_header_t *)img_addr;
if (!image_check_magic(hdr)) {
puts ("Bad Magic Number\n");
show_boot_progress (-1);
return NULL;
}
show_boot_progress (2);
if (!image_check_hcrc (hdr)) {
puts ("Bad Header Checksum\n");
show_boot_progress (-2);
return NULL;
}
show_boot_progress (3);
image_print_contents (hdr);
if (verify) {
puts (" Verifying Checksum ... ");
if (!image_check_dcrc (hdr)) {
printf ("Bad Data CRC\n");
show_boot_progress (-3);
return NULL;
}
puts ("OK\n");
}
show_boot_progress (4);
if (!image_check_target_arch (hdr)) {
printf ("Unsupported Architecture 0x%x\n", image_get_arch (hdr));
show_boot_progress (-4);
return NULL;
}
return hdr;
}
int
au_check_header_valid(int idx, long nbytes)
{
image_header_t *hdr;
unsigned long checksum;
unsigned char buf[4];
hdr = (image_header_t *)LOAD_ADDR;
#if defined(CONFIG_FIT)
if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
puts ("Non legacy image format not supported\n");
return -1;
}
#endif
/* check the easy ones first */
#undef CHECK_VALID_DEBUG
#ifdef CHECK_VALID_DEBUG
printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC);
printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM);
printf("size %#x %#lx ", image_get_data_size (hdr), nbytes);
printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL);
#endif
if (nbytes < image_get_header_size ()) {
printf ("Image %s bad header SIZE\n", aufile[idx]);
return -1;
}
if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_ARM)) {
printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
return -1;
}
/* check the hdr CRC */
if (!image_check_hcrc (hdr)) {
printf ("Image %s bad header checksum\n", aufile[idx]);
return -1;
}
/* check the type - could do this all in one gigantic if() */
if ((idx == IDX_FIRMWARE) &&
!image_check_type (hdr, IH_TYPE_FIRMWARE)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_DISK) && !image_check_type (hdr, IH_TYPE_FILESYSTEM)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_APP) && !image_check_type (hdr, IH_TYPE_RAMDISK)
&& !image_check_type (hdr, IH_TYPE_FILESYSTEM)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
if ((idx == IDX_PREPARE || idx == IDX_PREINST || idx == IDX_POSTINST)
&& !image_check_type (hdr, IH_TYPE_SCRIPT)) {
printf ("Image %s wrong type\n", aufile[idx]);
return -1;
}
/* special case for prepare.img */
if (idx == IDX_PREPARE)
return 0;
/* recycle checksum */
checksum = image_get_data_size (hdr);
/* for kernel and app the image header must also fit into flash */
if ((idx != IDX_DISK) && (idx != IDX_FIRMWARE))
checksum += image_get_header_size ();
/* check the size does not exceed space in flash. HUSH scripts */
/* all have ausize[] set to 0 */
if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
printf ("Image %s is bigger than FLASH\n", aufile[idx]);
return -1;
}
/* check the time stamp from the EEPROM */
/* read it in */
i2c_read_multiple(0x54, auee_off[idx].time, 1, buf, sizeof(buf));
#ifdef CHECK_VALID_DEBUG
printf ("buf[0] %#x buf[1] %#x buf[2] %#x buf[3] %#x "
"as int %#x time %#x\n",
buf[0], buf[1], buf[2], buf[3],
*((unsigned int *)buf), image_get_time (hdr));
#endif
/* check it */
if (*((unsigned int *)buf) >= image_get_time (hdr)) {
printf ("Image %s is too old\n", aufile[idx]);
return -1;
}
return 0;
}
static int bootm_find_os(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
const void *os_hdr;
bool ep_found = false;
int ret;
/* get kernel image header, start address and length */
os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
&images, &images.os.image_start, &images.os.image_len);
if (images.os.image_len == 0) {
puts("ERROR: can't get kernel image!\n");
return 1;
}
/* get image parameters */
switch (genimg_get_format(os_hdr)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
images.os.type = image_get_type(os_hdr);
images.os.comp = image_get_comp(os_hdr);
images.os.os = image_get_os(os_hdr);
images.os.end = image_get_image_end(os_hdr);
images.os.load = image_get_load(os_hdr);
images.os.arch = image_get_arch(os_hdr);
break;
#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
if (fit_image_get_type(images.fit_hdr_os,
images.fit_noffset_os,
&images.os.type)) {
puts("Can't get image type!\n");
bootstage_error(BOOTSTAGE_ID_FIT_TYPE);
return 1;
}
if (fit_image_get_comp(images.fit_hdr_os,
images.fit_noffset_os,
&images.os.comp)) {
puts("Can't get image compression!\n");
bootstage_error(BOOTSTAGE_ID_FIT_COMPRESSION);
return 1;
}
if (fit_image_get_os(images.fit_hdr_os, images.fit_noffset_os,
&images.os.os)) {
puts("Can't get image OS!\n");
bootstage_error(BOOTSTAGE_ID_FIT_OS);
return 1;
}
if (fit_image_get_arch(images.fit_hdr_os,
images.fit_noffset_os,
&images.os.arch)) {
puts("Can't get image ARCH!\n");
return 1;
}
images.os.end = fit_get_end(images.fit_hdr_os);
if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
&images.os.load)) {
puts("Can't get image load address!\n");
bootstage_error(BOOTSTAGE_ID_FIT_LOADADDR);
return 1;
}
break;
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE
case IMAGE_FORMAT_ANDROID:
images.os.type = IH_TYPE_KERNEL;
images.os.comp = IH_COMP_NONE;
images.os.os = IH_OS_LINUX;
images.os.end = android_image_get_end(os_hdr);
images.os.load = android_image_get_kload(os_hdr);
images.ep = images.os.load;
ep_found = true;
break;
#endif
default:
puts("ERROR: unknown image format type!\n");
return 1;
}
/* If we have a valid setup.bin, we will use that for entry (x86) */
if (images.os.arch == IH_ARCH_I386 ||
images.os.arch == IH_ARCH_X86_64) {
ulong len;
ret = boot_get_setup(&images, IH_ARCH_I386, &images.ep, &len);
if (ret < 0 && ret != -ENOENT) {
puts("Could not find a valid setup.bin for x86\n");
return 1;
}
/* Kernel entry point is the setup.bin */
} else if (images.legacy_hdr_valid) {
images.ep = image_get_ep(&images.legacy_hdr_os_copy);
#if defined(CONFIG_FIT)
} else if (images.fit_uname_os) {
int ret;
ret = fit_image_get_entry(images.fit_hdr_os,
images.fit_noffset_os, &images.ep);
if (ret) {
puts("Can't get entry point property!\n");
return 1;
}
#endif
} else if (!ep_found) {
puts("Could not find kernel entry point!\n");
return 1;
}
if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
images.os.load = images.os.image_start;
images.ep += images.os.load;
}
images.os.start = (ulong)os_hdr;
return 0;
}
int au_check_header_valid(int idx, long nbytes)
{
image_header_t *hdr;
unsigned long checksum, fsize;
hdr = (image_header_t *)LOAD_ADDR;
#if defined(CONFIG_FIT)
if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
puts ("Non legacy image format not supported\n");
return -1;
}
#endif
/* check the easy ones first */
#undef CHECK_VALID_DEBUG
#ifdef CHECK_VALID_DEBUG
printf("magic %#x %#x ", image_get_magic (hdr), IH_MAGIC);
printf("arch %#x %#x ", image_get_arch (hdr), IH_ARCH_ARM);
printf("size %#x %#lx ", image_get_data_size (hdr), nbytes);
printf("type %#x %#x ", image_get_type (hdr), IH_TYPE_KERNEL);
#endif
if (nbytes < image_get_header_size ()) {
printf ("Image %s bad header SIZE\n", aufile[idx]);
ausize[idx] = 0;
return -1;
}
if (!image_check_magic (hdr) || !image_check_arch (hdr, IH_ARCH_PPC)) {
printf ("Image %s bad MAGIC or ARCH\n", aufile[idx]);
ausize[idx] = 0;
return -1;
}
/* check the hdr CRC */
if (!image_check_hcrc (hdr)) {
printf ("Image %s bad header checksum\n", aufile[idx]);
ausize[idx] = 0;
return -1;
}
/* check the type - could do this all in one gigantic if() */
if ((idx == IDX_FIRMWARE) && !image_check_type (hdr, IH_TYPE_FIRMWARE)) {
printf ("Image %s wrong type\n", aufile[idx]);
ausize[idx] = 0;
return -1;
}
if ((idx == IDX_KERNEL) && !image_check_type (hdr, IH_TYPE_KERNEL)) {
printf ("Image %s wrong type\n", aufile[idx]);
ausize[idx] = 0;
return -1;
}
if ((idx == IDX_ROOTFS) &&
(!image_check_type (hdr, IH_TYPE_RAMDISK) &&
!image_check_type (hdr, IH_TYPE_FILESYSTEM))) {
printf ("Image %s wrong type\n", aufile[idx]);
ausize[idx] = 0;
return -1;
}
/* recycle checksum */
checksum = image_get_data_size (hdr);
fsize = checksum + image_get_header_size ();
/* for kernel and ramdisk the image header must also fit into flash */
if (idx == IDX_KERNEL || image_check_type (hdr, IH_TYPE_RAMDISK))
checksum += image_get_header_size ();
/* check the size does not exceed space in flash. HUSH scripts */
if ((ausize[idx] != 0) && (ausize[idx] < checksum)) {
printf ("Image %s is bigger than FLASH\n", aufile[idx]);
ausize[idx] = 0;
return -1;
}
/* Update with the real filesize */
ausize[idx] = fsize;
return checksum; /* return size to be written to flash */
}
