/**
* boot_get_fdt - main fdt handling routine
* @argc: command argument count
* @argv: command argument list
* @arch: architecture (IH_ARCH_...)
* @images: pointer to the bootm images structure
* @of_flat_tree: pointer to a char* variable, will hold fdt start address
* @of_size: pointer to a ulong variable, will hold fdt length
*
* boot_get_fdt() is responsible for finding a valid flat device tree image.
* Curently supported are the following ramdisk sources:
* - multicomponent kernel/ramdisk image,
* - commandline provided address of decicated ramdisk image.
*
* returns:
* 0, if fdt image was found and valid, or skipped
* of_flat_tree and of_size are set to fdt start address and length if
* fdt image is found and valid
*
* 1, if fdt image is found but corrupted
* of_flat_tree and of_size are set to 0 if no fdt exists
*/
int boot_get_fdt(int flag, int argc, char * const argv[], uint8_t arch,
bootm_headers_t *images, char **of_flat_tree, ulong *of_size)
{
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
const image_header_t *fdt_hdr;
ulong load, load_end;
ulong image_start, image_data, image_end;
#endif
ulong fdt_addr;
char *fdt_blob = NULL;
void *buf;
#if CONFIG_IS_ENABLED(FIT)
const char *fit_uname_config = images->fit_uname_cfg;
const char *fit_uname_fdt = NULL;
ulong default_addr;
int fdt_noffset;
#endif
const char *select = NULL;
int ok_no_fdt = 0;
*of_flat_tree = NULL;
*of_size = 0;
if (argc > 2)
select = argv[2];
if (select || genimg_has_config(images)) {
#if CONFIG_IS_ENABLED(FIT)
if (select) {
/*
* If the FDT blob comes from the FIT image and the
* FIT image address is omitted in the command line
* argument, try to use ramdisk or os FIT image
* address or default load address.
*/
if (images->fit_uname_rd)
default_addr = (ulong)images->fit_hdr_rd;
else if (images->fit_uname_os)
default_addr = (ulong)images->fit_hdr_os;
else
default_addr = load_addr;
if (fit_parse_conf(select, default_addr,
&fdt_addr, &fit_uname_config)) {
debug("* fdt: config '%s' from image at 0x%08lx\n",
fit_uname_config, fdt_addr);
} else if (fit_parse_subimage(select, default_addr,
&fdt_addr, &fit_uname_fdt)) {
debug("* fdt: subimage '%s' from image at 0x%08lx\n",
fit_uname_fdt, fdt_addr);
} else
#endif
{
fdt_addr = simple_strtoul(select, NULL, 16);
debug("* fdt: cmdline image address = 0x%08lx\n",
fdt_addr);
}
#if CONFIG_IS_ENABLED(FIT)
} else {
/* use FIT configuration provided in first bootm
* command argument
*/
fdt_addr = map_to_sysmem(images->fit_hdr_os);
fdt_noffset = fit_get_node_from_config(images,
FIT_FDT_PROP,
fdt_addr);
if (fdt_noffset == -ENOLINK)
return 0;
else if (fdt_noffset < 0)
return 1;
}
#endif
debug("## Checking for 'FDT'/'FDT Image' at %08lx\n",
fdt_addr);
/* copy from dataflash if needed */
fdt_addr = genimg_get_image(fdt_addr);
/*
* Check if there is an FDT image at the
* address provided in the second bootm argument
* check image type, for FIT images get a FIT node.
*/
buf = map_sysmem(fdt_addr, 0);
switch (genimg_get_format(buf)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
/* verify fdt_addr points to a valid image header */
printf("## Flattened Device Tree from Legacy Image at %08lx\n",
fdt_addr);
fdt_hdr = image_get_fdt(fdt_addr);
if (!fdt_hdr)
goto no_fdt;
/*
* move image data to the load address,
* make sure we don't overwrite initial image
*/
image_start = (ulong)fdt_hdr;
image_data = (ulong)image_get_data(fdt_hdr);
image_end = image_get_image_end(fdt_hdr);
load = image_get_load(fdt_hdr);
load_end = load + image_get_data_size(fdt_hdr);
if (load == image_start ||
load == image_data) {
fdt_addr = load;
break;
}
if ((load < image_end) && (load_end > image_start)) {
fdt_error("fdt overwritten");
goto error;
}
debug(" Loading FDT from 0x%08lx to 0x%08lx\n",
image_data, load);
memmove((void *)load,
(void *)image_data,
image_get_data_size(fdt_hdr));
fdt_addr = load;
break;
#endif
case IMAGE_FORMAT_FIT:
/*
* This case will catch both: new uImage format
* (libfdt based) and raw FDT blob (also libfdt
* based).
*/
#if CONFIG_IS_ENABLED(FIT)
/* check FDT blob vs FIT blob */
if (fit_check_format(buf)) {
ulong load, len;
fdt_noffset = fit_image_load(images,
fdt_addr, &fit_uname_fdt,
&fit_uname_config,
arch, IH_TYPE_FLATDT,
BOOTSTAGE_ID_FIT_FDT_START,
FIT_LOAD_OPTIONAL, &load, &len);
images->fit_hdr_fdt = map_sysmem(fdt_addr, 0);
images->fit_uname_fdt = fit_uname_fdt;
images->fit_noffset_fdt = fdt_noffset;
fdt_addr = load;
break;
} else
#endif
{
/*
* FDT blob
*/
debug("* fdt: raw FDT blob\n");
printf("## Flattened Device Tree blob at %08lx\n",
(long)fdt_addr);
}
break;
default:
puts("ERROR: Did not find a cmdline Flattened Device Tree\n");
goto no_fdt;
}
printf(" Booting using the fdt blob at %#08lx\n", fdt_addr);
fdt_blob = map_sysmem(fdt_addr, 0);
} else if (images->legacy_hdr_valid &&
image_check_type(&images->legacy_hdr_os_copy,
IH_TYPE_MULTI)) {
ulong fdt_data, fdt_len;
/*
* Now check if we have a legacy multi-component image,
* get second entry data start address and len.
*/
printf("## Flattened Device Tree from multi component Image at %08lX\n",
(ulong)images->legacy_hdr_os);
image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data,
&fdt_len);
if (fdt_len) {
fdt_blob = (char *)fdt_data;
printf(" Booting using the fdt at 0x%p\n", fdt_blob);
if (fdt_check_header(fdt_blob) != 0) {
fdt_error("image is not a fdt");
goto error;
}
if (fdt_totalsize(fdt_blob) != fdt_len) {
fdt_error("fdt size != image size");
goto error;
}
} else {
debug("## No Flattened Device Tree\n");
goto no_fdt;
}
} else {
debug("## No Flattened Device Tree\n");
goto no_fdt;
}
*of_flat_tree = fdt_blob;
*of_size = fdt_totalsize(fdt_blob);
debug(" of_flat_tree at 0x%08lx size 0x%08lx\n",
(ulong)*of_flat_tree, *of_size);
return 0;
no_fdt:
ok_no_fdt = 1;
error:
*of_flat_tree = NULL;
*of_size = 0;
if (!select && ok_no_fdt) {
debug("Continuing to boot without FDT\n");
return 0;
}
return 1;
}
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong mem_start;
phys_size_t mem_size;
void *os_hdr;
int ret;
memset ((void *)&images, 0, sizeof (images));
images.verify = getenv_yesno ("verify");
lmb_init(&images.lmb);
mem_start = getenv_bootm_low();
mem_size = getenv_bootm_size();
lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
arch_lmb_reserve(&images.lmb);
board_lmb_reserve(&images.lmb);
/* 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)) {
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);
break;
#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");
show_boot_progress (-109);
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");
show_boot_progress (-110);
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");
show_boot_progress (-111);
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");
show_boot_progress (-112);
return 1;
}
break;
#endif
default:
puts ("ERROR: unknown image format type!\n");
return 1;
}
/* find kernel entry point */
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) {
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 {
puts ("Could not find kernel entry point!\n");
return 1;
}
if (images.os.os == IH_OS_LINUX) {
/* 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)
#if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
/* 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
#endif
}
images.os.start = (ulong)os_hdr;
images.state = BOOTM_STATE_START;
return 0;
}
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const void *os_hdr;
int ret;
memset((void *)&images, 0, sizeof(images));
images.verify = getenv_yesno("verify");
boot_start_lmb(&images);
bootstage_mark_name(BOOTSTAGE_ID_BOOTM_START, "bootm_start");
/* 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)) {
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);
break;
#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;
}
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
default:
puts("ERROR: unknown image format type!\n");
return 1;
}
/* find kernel entry point */
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) {
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 {
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;
}
if (((images.os.type == IH_TYPE_KERNEL) ||
(images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
(images.os.type == IH_TYPE_MULTI)) &&
(images.os.os == IH_OS_LINUX)) {
/* 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
}
images.os.start = (ulong)os_hdr;
images.state = BOOTM_STATE_START;
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;
/* 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)) {
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);
break;
#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;
}
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.ep = images.os.load;
ep_found = true;
images.os.end = android_image_get_end(os_hdr);
images.os.load = android_image_get_kload(os_hdr);
break;
#endif
default:
puts("ERROR: unknown image format type!\n");
return 1;
}
/* find kernel entry point */
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 do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
image_header_t *hdr;
ulong addr;
ulong iflag;
const char *type_name;
uint unc_len = CONFIG_SYS_BOOTM_LEN;
uint8_t comp, type, os;
void *os_hdr;
ulong os_data, os_len;
ulong image_start, image_end;
ulong load_start, load_end;
ulong mem_start;
phys_size_t mem_size;
struct lmb lmb;
#if defined(CONFIG_SECURE_BOOT)
int rv;
#endif
#if defined(CONFIG_SECURE_BOOT)
rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR,
(unsigned char*)CONFIG_SECURE_KERNEL_BASE,
CONFIG_SECURE_KERNEL_SIZE-128,
(unsigned char*)(CONFIG_SECURE_KERNEL_BASE+CONFIG_SECURE_KERNEL_SIZE-128),
128 );
if(rv != SB_OK) {
printf("Kernel Integrity check fail\nSystem Halt....");
while(1);
}
printf("Kernel Integirty check success.\n");
rv = Check_Signature( (SecureBoot_CTX *)SECURE_BOOT_CONTEXT_ADDR,
(unsigned char*)CONFIG_SECURE_ROOTFS_BASE,
CONFIG_SECURE_ROOTFS_SIZE-128,
(unsigned char*)(CONFIG_SECURE_ROOTFS_BASE+CONFIG_SECURE_ROOTFS_SIZE-128),
128 );
if(rv != SB_OK) {
printf("rootfs Integrity check fail\nSystem Halt....");
while(1);
}
printf("rootfs Integirty check success.\n");
#endif
memset ((void *)&images, 0, sizeof (images));
images.verify = getenv_yesno ("verify");
// images.lmb = &lmb;
memcpy (&images.lmb, &lmb, sizeof(struct lmb));
lmb_init(&lmb);
mem_start = getenv_bootm_low();
mem_size = getenv_bootm_size();
lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);
board_lmb_reserve(&lmb);
#ifdef CONFIG_ZIMAGE_BOOT
#define LINUX_ZIMAGE_MAGIC 0x016f2818
/* find out kernel image address */
if (argc < 2) {
addr = load_addr;
debug ("* kernel: default image load address = 0x%08lx\n",
load_addr);
} else {
addr = simple_strtoul(argv[1], NULL, 16);
//debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
}
if (*(ulong *)(addr + 9*4) == LINUX_ZIMAGE_MAGIC) {
printf("Boot with zImage\n");
addr = virt_to_phys(addr);
hdr = (image_header_t *)addr;
hdr->ih_os = IH_OS_LINUX;
hdr->ih_ep = ntohl(addr);
memmove (&images.legacy_hdr_os_copy, hdr, sizeof(image_header_t));
/* save pointer to image header */
images.legacy_hdr_os = hdr;
images.legacy_hdr_valid = 1;
goto after_header_check;
}
#endif
/* 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) {
puts ("ERROR: can't get kernel image!\n");
return 1;
}
/* get image parameters */
switch (genimg_get_format (os_hdr)) {
case IMAGE_FORMAT_LEGACY:
type = image_get_type (os_hdr);
comp = image_get_comp (os_hdr);
os = image_get_os (os_hdr);
image_end = image_get_image_end (os_hdr);
load_start = image_get_load (os_hdr);
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
if (fit_image_get_type (images.fit_hdr_os,
images.fit_noffset_os, &type)) {
puts ("Can't get image type!\n");
show_boot_progress (-109);
return 1;
}
if (fit_image_get_comp (images.fit_hdr_os,
images.fit_noffset_os, &comp)) {
puts ("Can't get image compression!\n");
show_boot_progress (-110);
return 1;
}
if (fit_image_get_os (images.fit_hdr_os,
images.fit_noffset_os, &os)) {
puts ("Can't get image OS!\n");
show_boot_progress (-111);
return 1;
}
image_end = fit_get_end (images.fit_hdr_os);
if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
&load_start)) {
puts ("Can't get image load address!\n");
show_boot_progress (-112);
return 1;
}
break;
#endif
default:
puts ("ERROR: unknown image format type!\n");
return 1;
}
image_start = (ulong)os_hdr;
load_end = 0;
type_name = genimg_get_type_name (type);
/*
* We have reached the point of no return: we are going to
* overwrite all exception vector code, so we cannot easily
* recover from any failures any more...
*/
iflag = disable_interrupts();
#if defined(CONFIG_CMD_USB)
/*
* turn off USB to prevent the host controller from writing to the
* SDRAM while Linux is booting. This could happen (at least for OHCI
* controller), because the HCCA (Host Controller Communication Area)
* lies within the SDRAM and the host controller writes continously to
* this area (as busmaster!). The HccaFrameNumber is for example
* updated every 1 ms within the HCCA structure in SDRAM! For more
* details see the OpenHCI specification.
*/
usb_stop();
#endif
#ifdef CONFIG_AMIGAONEG3SE
/*
* We've possible left the caches enabled during
* bios emulation, so turn them off again
*/
icache_disable();
invalidate_l1_instruction_cache();
flush_data_cache();
dcache_disable();
#endif
switch (comp) {
case IH_COMP_NONE:
if (load_start == (ulong)os_hdr) {
printf (" XIP %s ... ", type_name);
} else {
printf (" Loading %s ... ", type_name);
memmove_wd ((void *)load_start,
(void *)os_data, os_len, CHUNKSZ);
}
load_end = load_start + os_len;
puts("OK\n");
break;
case IH_COMP_GZIP:
printf (" Uncompressing %s ... ", type_name);
if (gunzip ((void *)load_start, unc_len,
(uchar *)os_data, &os_len) != 0) {
puts ("GUNZIP: uncompress or overwrite error "
"- must RESET board to recover\n");
show_boot_progress (-6);
do_reset (cmdtp, flag, argc, argv);
}
load_end = load_start + os_len;
break;
#ifdef CONFIG_BZIP2
case IH_COMP_BZIP2:
printf (" Uncompressing %s ... ", type_name);
/*
* If we've got less than 4 MB of malloc() space,
* use slower decompression algorithm which requires
* at most 2300 KB of memory.
*/
int i = BZ2_bzBuffToBuffDecompress ((char*)load_start,
&unc_len, (char *)os_data, os_len,
CFG_MALLOC_LEN < (4096 * 1024), 0);
if (i != BZ_OK) {
printf ("BUNZIP2: uncompress or overwrite error %d "
"- must RESET board to recover\n", i);
show_boot_progress (-6);
do_reset (cmdtp, flag, argc, argv);
}
load_end = load_start + unc_len;
break;
#endif /* CONFIG_BZIP2 */
default:
if (iflag)
enable_interrupts();
printf ("Unimplemented compression type %d\n", comp);
show_boot_progress (-7);
return 1;
}
puts ("OK\n");
debug (" kernel loaded at 0x%08lx, end = 0x%08lx\n", load_start, load_end);
show_boot_progress (7);
if ((load_start < image_end) && (load_end > image_start)) {
debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
if (images.legacy_hdr_valid) {
if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
puts ("WARNING: legacy format multi component "
"image overwritten\n");
} else {
puts ("ERROR: new format image overwritten - "
"must RESET the board to recover\n");
show_boot_progress (-113);
do_reset (cmdtp, flag, argc, argv);
}
}
show_boot_progress (8);
lmb_reserve(&lmb, load_start, (load_end - load_start));
#if defined(CONFIG_ZIMAGE_BOOT)
after_header_check:
os = hdr->ih_os;
#endif
switch (os) {
default: /* handled by (original) Linux case */
case IH_OS_LINUX:
#ifdef CONFIG_SILENT_CONSOLE
fixup_silent_linux();
#endif
do_bootm_linux (flag, argc, argv, &images);
break;
#ifdef CONFIG_BOOTM_NETBSD
case IH_OS_NETBSD:
do_bootm_netbsd (flag, argc, argv, &images);
break;
#endif
#ifdef CONFIG_LYNXKDI
case IH_OS_LYNXOS:
do_bootm_lynxkdi (flag, argc, argv, &images);
break;
#endif
#ifdef CONFIG_BOOTM_RTEMS
case IH_OS_RTEMS:
do_bootm_rtems (flag, argc, argv, &images);
break;
#endif
/*
#if defined(CONFIG_CMD_ELF)
case IH_OS_VXWORKS:
do_bootm_vxworks (cmdtp, flag, argc, argv, &images);
break;
case IH_OS_QNX:
do_bootm_qnxelf (cmdtp, flag, argc, argv, &images);
break;
#endif
*/
#ifdef CONFIG_ARTOS
case IH_OS_ARTOS:
do_bootm_artos (cmdtp, flag, argc, argv, &images);
break;
#endif
}
show_boot_progress (-9);
#ifdef DEBUG
puts ("\n## Control returned to monitor - resetting...\n");
do_reset (cmdtp, flag, argc, argv);
#endif
if (iflag)
enable_interrupts();
return 1;
}
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 IMAGE_ENABLE_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 IMAGE_ENABLE_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) {
if (CONFIG_IS_ENABLED(CMD_BOOTI) &&
images.os.arch == IH_ARCH_ARM64) {
ulong image_addr;
ulong image_size;
ret = booti_setup(images.os.image_start, &image_addr,
&image_size, true);
if (ret != 0)
return 1;
images.os.type = IH_TYPE_KERNEL;
images.os.load = image_addr;
images.ep = image_addr;
} else {
images.os.load = images.os.image_start;
images.ep += images.os.image_start;
}
}
images.os.start = map_to_sysmem(os_hdr);
return 0;
}
static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
void *os_hdr;
int ret;
#if defined(CONFIG_ANDROID_IMG)
void *temp_os_hdr = NULL;
boot_img_hdr *temp_android_hdr = NULL;
#endif
memset ((void *)&images, 0, sizeof (images));
images.verify = getenv_yesno ("verify");
bootm_start_lmb();
/* 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)) {
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);
break;
#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");
show_boot_progress (-109);
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");
show_boot_progress (-110);
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");
show_boot_progress (-111);
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");
show_boot_progress (-112);
return 1;
}
break;
#endif
#if defined(CONFIG_ANDROID_IMG)
case IMAGE_FORMAT_ANDROID:
temp_os_hdr = os_hdr + 0x800;//shift 0x800 Android format head
temp_android_hdr = (void *) os_hdr;
images.os.type = image_get_type (temp_os_hdr);
images.os.comp = image_get_comp (temp_os_hdr);
images.os.os = image_get_os (temp_os_hdr);
images.os.end = image_get_image_end (temp_os_hdr);
images.os.load = image_get_load (temp_os_hdr);
images.rd_start = ((ulong)temp_android_hdr->kernel_size + 0x800 + (ulong)os_hdr
+ ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1));
images.rd_end = images.rd_start + (ulong)temp_android_hdr->ramdisk_size;
printf(" Ramdisk start addr = 0x%x, len = 0x%x\n",images.rd_start,temp_android_hdr->ramdisk_size );
#if defined(CONFIG_OF_LIBFDT)
if(images.ft_len = (ulong)temp_android_hdr->second_size)
{
fdt_addr = (images.rd_end
+ ((ulong)temp_android_hdr->page_size - 1)) & (~((ulong)temp_android_hdr->page_size - 1));
/*get_multi_dt_entry, compatible with single dt*/
fdt_addr = get_multi_dt_entry(fdt_addr);
images.ft_addr = (char *)fdt_addr;
images.ft_len = fdt_totalsize(fdt_addr);
printf(" Flat device tree start addr = 0x%x, len = 0x%x magic=0x%x\n",
(int *)images.ft_addr,images.ft_len,*(unsigned int*)images.ft_addr);
}
#endif
break;
#endif
default:
puts ("ERROR: unknown image format type!\n");
return 1;
}
/* find kernel entry point */
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) {
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 {
puts ("Could not find kernel entry point!\n");
return 1;
}
if (((images.os.type == IH_TYPE_KERNEL) ||
(images.os.type == IH_TYPE_MULTI)) &&
(images.os.os == IH_OS_LINUX)) {
/* find ramdisk */
#ifndef CONFIG_ANDROID_IMG
#if defined(CONFIG_AML_MESON_FIT)
//call boot_get_ramdisk() here for get ramdisk start addr
boot_get_ramdisk (argc, argv, &images, IH_INITRD_ARCH,
&images.rd_start, &images.rd_end);
#endif
#endif
#if defined(CONFIG_ANDROID_IMG)
if(!images.rd_start)
#endif
{
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 */
#if defined(CONFIG_ANDROID_IMG)
if(!images.ft_addr)
#endif
{
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
}
#if defined(CONFIG_ANDROID_IMG)
images.os.start = (ulong)temp_os_hdr;
#else
images.os.start = (ulong)os_hdr;
#endif
images.state = BOOTM_STATE_START;
return 0;
}