/*
* zImage booting support
*/
static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images)
{
int ret;
ulong zi_start, zi_end;
ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
images, 1);
/* Setup Linux kernel zImage entry point */
if (!argc) {
images->ep = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
} else {
images->ep = simple_strtoul(argv[0], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n",
images->ep);
}
ret = bootz_setup(images->ep, &zi_start, &zi_end);
if (ret != 0)
return 1;
lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
/*
* Handle the BOOTM_STATE_FINDOTHER state ourselves as we do not
* have a header that provide this informaiton.
*/
if (bootm_find_images(flag, argc, argv))
return 1;
return 0;
}
/*
* zImage booting support
*/
static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images)
{
int ret;
void *zi_start, *zi_end;
ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_START,
images, 1);
/* Setup Linux kernel zImage entry point */
if (argc < 2) {
images->ep = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
} else {
images->ep = simple_strtoul(argv[1], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n",
images->ep);
}
ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
if (ret != 0)
return 1;
lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
ret = do_bootm_states(cmdtp, flag, argc, argv, BOOTM_STATE_FINDOTHER,
images, 1);
return ret;
}
/*
* zImage booting support
*/
static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images)
{
int ret;
void *zi_start, *zi_end;
memset(images, 0, sizeof(bootm_headers_t));
boot_start_lmb(images);
/* Setup Linux kernel zImage entry point */
if (argc < 2) {
images->ep = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
} else {
images->ep = simple_strtoul(argv[1], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n",
images->ep);
}
ret = bootz_setup((void *)images->ep, &zi_start, &zi_end);
if (ret != 0)
return 1;
lmb_reserve(&images->lmb, images->ep, zi_end - zi_start);
/* Find ramdisk */
ret = boot_get_ramdisk(argc, argv, images, IH_INITRD_ARCH,
&images->rd_start, &images->rd_end);
if (ret) {
puts("Ramdisk image is corrupt or invalid\n");
return 1;
}
#if defined(CONFIG_OF_LIBFDT)
/* find flattened device tree */
ret = boot_get_fdt(flag, argc, argv, images,
&images->ft_addr, &images->ft_len);
if (ret) {
puts("Could not find a valid device tree\n");
return 1;
}
set_working_fdt_addr(images->ft_addr);
#endif
return 0;
}
int spl_parse_image_header(struct spl_image_info *spl_image,
const struct image_header *header)
{
if (image_get_magic(header) == IH_MAGIC) {
#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
u32 header_size = sizeof(struct image_header);
if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
/*
* On some system (e.g. powerpc), the load-address and
* entry-point is located at address 0. We can't load
* to 0-0x40. So skip header in this case.
*/
spl_image->load_addr = image_get_load(header);
spl_image->entry_point = image_get_ep(header);
spl_image->size = image_get_data_size(header);
} else {
spl_image->entry_point = image_get_load(header);
/* Load including the header */
spl_image->load_addr = spl_image->entry_point -
header_size;
spl_image->size = image_get_data_size(header) +
header_size;
}
spl_image->os = image_get_os(header);
spl_image->name = image_get_name(header);
debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
(int)sizeof(spl_image->name), spl_image->name,
spl_image->load_addr, spl_image->size);
#else
/* LEGACY image not supported */
debug("Legacy boot image support not enabled, proceeding to other boot methods");
return -EINVAL;
#endif
} else {
#ifdef CONFIG_SPL_PANIC_ON_RAW_IMAGE
/*
* CONFIG_SPL_PANIC_ON_RAW_IMAGE is defined when the
* code which loads images in SPL cannot guarantee that
* absolutely all read errors will be reported.
* An example is the LPC32XX MLC NAND driver, which
* will consider that a completely unreadable NAND block
* is bad, and thus should be skipped silently.
*/
panic("** no mkimage signature but raw image not supported");
#endif
#ifdef CONFIG_SPL_OS_BOOT
ulong start, end;
if (!bootz_setup((ulong)header, &start, &end)) {
spl_image->name = "Linux";
spl_image->os = IH_OS_LINUX;
spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
spl_image->size = end - start;
debug("spl: payload zImage, load addr: 0x%lx size: %d\n",
spl_image->load_addr, spl_image->size);
return 0;
}
#endif
#ifdef CONFIG_SPL_RAW_IMAGE_SUPPORT
/* Signature not found - assume u-boot.bin */
debug("mkimage signature not found - ih_magic = %x\n",
header->ih_magic);
spl_set_header_raw_uboot(spl_image);
#else
/* RAW image not supported, proceed to other boot methods. */
debug("Raw boot image support not enabled, proceeding to other boot methods");
return -EINVAL;
#endif
}
return 0;
}
