static int image_extract_subimage(void *ptr, struct image_tool_params *params)
{
const image_header_t *hdr = (const image_header_t *)ptr;
ulong file_data;
ulong file_len;
if (image_check_type(hdr, IH_TYPE_MULTI)) {
ulong idx = params->pflag;
ulong count;
/* get the number of data files present in the image */
count = image_multi_count(hdr);
/* retrieve the "data file" at the idx position */
image_multi_getimg(hdr, idx, &file_data, &file_len);
if ((file_len == 0) || (idx >= count)) {
fprintf(stderr, "%s: No such data file %ld in \"%s\"\n",
params->cmdname, idx, params->imagefile);
return -1;
}
} else {
file_data = image_get_data(hdr);
file_len = image_get_size(hdr);
}
/* save the "data file" into the file system */
return imagetool_save_subimage(params->outfile, file_data, file_len);
}
void image_print_contents(const void *ptr)
{
const image_header_t *hdr = (const image_header_t *)ptr;
const char *p;
#ifdef __BAREBOX__
p = " ";
#else
p = "";
#endif
printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr));
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || !defined(__BAREBOX__)
printf("%sCreated: ", p);
image_print_time((time_t)image_get_time(hdr));
#endif
printf ("%sImage Type: ", p);
image_print_type(hdr);
printf ("%sData Size: ", p);
image_print_size(image_get_data_size(hdr));
printf ("%sLoad Address: %08x\n", p, image_get_load(hdr));
printf ("%sEntry Point: %08x\n", p, image_get_ep(hdr));
if (image_check_type(hdr, IH_TYPE_MULTI) ||
image_check_type(hdr, IH_TYPE_SCRIPT)) {
int i;
ulong data, len;
ulong count = image_multi_count(hdr);
printf ("%sContents:\n", p);
for (i = 0; i < count; i++) {
image_multi_getimg(hdr, i, &data, &len);
printf("%s Image %d: ", p, i);
image_print_size(len);
if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
/*
* the user may need to know offsets
* if planning to do something with
* multiple files
*/
printf("%s Offset = 0x%08lx\n", p, data);
}
}
}
}
/**
* image_print_contents - prints out the contents of the legacy format image
* @ptr: pointer to the legacy format image header
* @p: pointer to prefix string
*
* image_print_contents() formats a multi line legacy image contents description.
* The routine prints out all header fields followed by the size/offset data
* for MULTI/SCRIPT images.
*
* returns:
* no returned results
*/
void image_print_contents(const void *ptr)
{
const image_header_t *hdr = (const image_header_t *)ptr;
const char __maybe_unused *p;
p = IMAGE_INDENT_STRING;
printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr));
if (IMAGE_ENABLE_TIMESTAMP) {
printf("%sCreated: ", p);
genimg_print_time((time_t)image_get_time(hdr));
}
printf("%sImage Type: ", p);
image_print_type(hdr);
printf("%sData Size: ", p);
genimg_print_size(image_get_data_size(hdr));
printf("%sLoad Address: %08x\n", p, image_get_load(hdr));
printf("%sEntry Point: %08x\n", p, image_get_ep(hdr));
if (image_check_type(hdr, IH_TYPE_MULTI) ||
image_check_type(hdr, IH_TYPE_SCRIPT)) {
int i;
ulong data, len;
ulong count = image_multi_count(hdr);
printf("%sContents:\n", p);
for (i = 0; i < count; i++) {
image_multi_getimg(hdr, i, &data, &len);
printf("%s Image %d: ", p, i);
genimg_print_size(len);
if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) {
/*
* the user may need to know offsets
* if planning to do something with
* multiple files
*/
printf("%s Offset = 0x%08lx\n", p, data);
}
}
} else if (image_check_type(hdr, IH_TYPE_FIRMWARE_IVT)) {
printf("HAB Blocks: 0x%08x 0x0000 0x%08x\n",
image_get_load(hdr) - image_get_header_size(),
image_get_size(hdr) + image_get_header_size()
- 0x1FE0);
}
}
/**
* 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
*
* boot_get_kernel() tries to find a kernel image, verifies its integrity
* and locates kernel data.
*
* returns:
* pointer to image header if valid image was found, plus kernel start
* address and length, otherwise NULL
*/
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)
{
image_header_t *hdr;
ulong img_addr;
#if defined(CONFIG_FIT)
void *fit_hdr;
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
const void *data;
size_t len;
int cfg_noffset;
int os_noffset;
#endif
/* find out kernel image address */
if (argc < 2) {
img_addr = load_addr;
debug ("* kernel: default image load address = 0x%08lx\n",
load_addr);
#if defined(CONFIG_FIT)
} else if (fit_parse_conf (argv[1], load_addr, &img_addr,
&fit_uname_config)) {
debug ("* kernel: config '%s' from image at 0x%08lx\n",
fit_uname_config, img_addr);
} else if (fit_parse_subimage (argv[1], load_addr, &img_addr,
&fit_uname_kernel)) {
debug ("* kernel: subimage '%s' from image at 0x%08lx\n",
fit_uname_kernel, img_addr);
#endif
} else {
img_addr = simple_strtoul(argv[1], NULL, 16);
debug ("* kernel: cmdline image address = 0x%08lx\n", img_addr);
}
show_boot_progress (1);
/* 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:
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);
*os_len = image_get_data_size (hdr);
break;
case IH_TYPE_MULTI:
image_multi_getimg (hdr, 0, os_data, os_len);
break;
case IH_TYPE_STANDALONE:
if (argc >2) {
hdr->ih_load = htonl(simple_strtoul(argv[2], NULL, 16));
}
*os_data = image_get_data (hdr);
*os_len = image_get_data_size (hdr);
break;
default:
printf ("Wrong Image Type for %s command\n", cmdtp->name);
show_boot_progress (-5);
return NULL;
}
/*
* copy image header to allow for image overwrites during kernel
* decompression.
*/
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;
show_boot_progress (6);
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
fit_hdr = (void *)img_addr;
printf ("## Booting kernel from FIT Image at %08lx ...\n",
img_addr);
if (!fit_check_format (fit_hdr)) {
puts ("Bad FIT kernel image format!\n");
show_boot_progress (-100);
return NULL;
}
show_boot_progress (100);
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
*/
show_boot_progress (101);
cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
if (cfg_noffset < 0) {
show_boot_progress (-101);
return NULL;
}
/* save configuration uname provided in the first
* bootm argument
*/
images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
printf (" Using '%s' configuration\n", images->fit_uname_cfg);
show_boot_progress (103);
os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
} else {
/* get kernel component image node offset */
show_boot_progress (102);
os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
}
if (os_noffset < 0) {
show_boot_progress (-103);
return NULL;
}
printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
show_boot_progress (104);
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");
show_boot_progress (-107);
return NULL;
}
show_boot_progress (108);
*os_len = len;
*os_data = (ulong)data;
images->fit_hdr_os = fit_hdr;
images->fit_uname_os = fit_uname_kernel;
images->fit_noffset_os = os_noffset;
break;
#endif
default:
printf ("Wrong Image Format for %s command\n", cmdtp->name);
show_boot_progress (-108);
return NULL;
}
debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
*os_data, *os_len, *os_len);
return (void *)img_addr;
}
static int do_bootm_netbsd (int flag, int argc, char *argv[],
bootm_headers_t *images)
{
void (*loader)(bd_t *, image_header_t *, char *, char *);
image_header_t *os_hdr, *hdr;
ulong kernel_data, kernel_len;
char *consdev;
char *cmdline;
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
fit_unsupported_reset ("NetBSD");
return 1;
}
#endif
hdr = images->legacy_hdr_os;
/*
* Booting a (NetBSD) kernel image
*
* This process is pretty similar to a standalone application:
* The (first part of an multi-) image must be a stage-2 loader,
* which in turn is responsible for loading & invoking the actual
* kernel. The only differences are the parameters being passed:
* besides the board info strucure, the loader expects a command
* line, the name of the console device, and (optionally) the
* address of the original image header.
*/
os_hdr = NULL;
if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
if (kernel_len)
os_hdr = hdr;
}
consdev = "";
#if defined (CONFIG_8xx_CONS_SMC1)
consdev = "smc1";
#elif defined (CONFIG_8xx_CONS_SMC2)
consdev = "smc2";
#elif defined (CONFIG_8xx_CONS_SCC2)
consdev = "scc2";
#elif defined (CONFIG_8xx_CONS_SCC3)
consdev = "scc3";
#endif
if (argc > 2) {
ulong len;
int i;
for (i = 2, len = 0; i < argc; i += 1)
len += strlen (argv[i]) + 1;
cmdline = malloc (len);
for (i = 2, len = 0; i < argc; i += 1) {
if (i > 2)
cmdline[len++] = ' ';
strcpy (&cmdline[len], argv[i]);
len += strlen (argv[i]);
}
} else if ((cmdline = getenv ("bootargs")) == NULL) {
cmdline = "";
}
loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
printf ("## Transferring control to NetBSD stage-2 loader (at address %08lx) ...\n",
(ulong)loader);
show_boot_progress (15);
/*
* NetBSD Stage-2 Loader Parameters:
* r3: ptr to board info data
* r4: image address
* r5: console device
* r6: boot args string
*/
(*loader) (gd->bd, os_hdr, consdev, cmdline);
return 1;
}
extern "C" int
start_gen(int argc, const char **argv, struct image_header *uimage, void *fdt)
{
stage2_args args;
clear_bss();
// call C++ constructors before doing anything else
call_ctors();
args.heap_size = HEAP_SIZE;
args.arguments = NULL;
args.arguments_count = 0;
args.platform.boot_tgz_data = NULL;
args.platform.boot_tgz_size = 0;
args.platform.fdt_data = NULL;
args.platform.fdt_size = 0;
gUImage = uimage;
gFDT = fdt; //XXX: make a copy?
// TODO: check for atags instead and convert them
if (argv) {
// skip the kernel name
++argv;
--argc;
}
// TODO: Ensure cmdline is mapped into memory by MMU before usage.
// if we get passed a uimage, try to find the third blob
// only if we do not have FDT data yet
if (gUImage != NULL
&& !gFDT
&& image_multi_getimg(gUImage, 2,
(uint32*)&args.platform.fdt_data,
&args.platform.fdt_size)) {
// found a blob, assume it is FDT data, when working on a platform
// which does not have an FDT enabled U-Boot
gFDT = args.platform.fdt_data;
}
// We have to cpu_init *before* calling FDT functions
cpu_init();
serial_init(gFDT);
#if defined(__ARM__)
arch_mailbox_init();
#endif
// initialize the OpenFirmware wrapper
of_init(NULL);
console_init();
// if we get passed an FDT, check /chosen for initrd and bootargs
if (gFDT != NULL) {
int node = fdt_path_offset(gFDT, "/chosen");
const void *prop;
int len;
phys_addr_t initrd_start = 0, initrd_end = 0;
if (node >= 0) {
prop = fdt_getprop(gFDT, node, "linux,initrd-start", &len);
if (prop && len == 4)
initrd_start = fdt32_to_cpu(*(uint32_t *)prop);
prop = fdt_getprop(gFDT, node, "linux,initrd-end", &len);
if (prop && len == 4)
initrd_end = fdt32_to_cpu(*(uint32_t *)prop);
if (initrd_end > initrd_start) {
args.platform.boot_tgz_data = (void *)initrd_start;
args.platform.boot_tgz_size = initrd_end - initrd_start;
dprintf("Found boot tgz from FDT @ %p, %" B_PRIu32 " bytes\n",
args.platform.boot_tgz_data, args.platform.boot_tgz_size);
}
// we check for bootargs after remapping the FDT
}
}
// if we get passed a uimage, try to find the second blob
if (gUImage != NULL
&& image_multi_getimg(gUImage, 1,
(uint32*)&args.platform.boot_tgz_data,
&args.platform.boot_tgz_size)) {
dprintf("Found boot tgz from uimage @ %p, %" B_PRIu32 " bytes\n",
args.platform.boot_tgz_data, args.platform.boot_tgz_size);
}
{ //DEBUG:
int i;
dprintf("argc = %d\n", argc);
for (i = 0; i < argc; i++)
dprintf("argv[%d] @%lx = '%s'\n", i, (uint32)argv[i], argv[i]);
dprintf("os: %d\n", (int)gUBootOS);
dprintf("gd @ %p\n", gUBootGlobalData);
if (gUBootGlobalData) {
dprintf("gd->bd @ %p\n", gUBootGlobalData->bd);
dprintf("gd->fb_base @ %p\n", (void*)gUBootGlobalData->fb_base);
}
if (gUImage)
dump_uimage(gUImage);
if (gFDT)
dump_fdt(gFDT);
}
if (args.platform.boot_tgz_size > 0) {
insert_physical_allocated_range((addr_t)args.platform.boot_tgz_data,
args.platform.boot_tgz_size);
}
// save the size of the FDT so we can map it easily after mmu_init
size_t fdtSize = gFDT ? fdt_totalsize(gFDT) : 0;
dprintf("fdtSize: 0x%" B_PRIxSIZE "\n", fdtSize);
mmu_init();
// Handle our tarFS post-mmu
if (args.platform.boot_tgz_size > 0) {
args.platform.boot_tgz_data = (void*)mmu_map_physical_memory((addr_t)
args.platform.boot_tgz_data, args.platform.boot_tgz_size,
kDefaultPageFlags);
}
// .. and our FDT
if (gFDT != NULL)
gFDT = (void*)mmu_map_physical_memory((addr_t)gFDT, fdtSize, kDefaultPageFlags);
// if we get passed an FDT, check /chosen for bootargs now
// to avoid having to copy them.
if (gFDT != NULL) {
int node = fdt_path_offset(gFDT, "/chosen");
const void *prop;
int len;
if (node >= 0) {
prop = fdt_getprop(gFDT, node, "bootargs", &len);
if (prop) {
dprintf("Found bootargs: %s\n", (const char *)prop);
static const char *sArgs[] = { NULL, NULL };
sArgs[0] = (const char *)prop;
// override main() args
args.arguments = sArgs;
args.arguments_count = 1;
}
}
dprintf("args.arguments_count = %" B_PRId32 "\n", args.arguments_count);
for (int i = 0; i < args.arguments_count; i++)
dprintf("args.arguments[%d] @%lx = '%s'\n", i,
(uint32)args.arguments[i], args.arguments[i]);
}
// wait a bit to give the user the opportunity to press a key
// spin(750000);
// reading the keyboard doesn't seem to work in graphics mode
// (maybe a bochs problem)
// sBootOptions = check_for_boot_keys();
//if (sBootOptions & BOOT_OPTION_DEBUG_OUTPUT)
serial_enable();
main(&args);
return 0;
}
/**
* 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;
}
/**
* 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
*
* boot_get_kernel() tries to find a kernel image, verifies its integrity
* and locates kernel data.
*
* returns:
* pointer to image header if valid image was found, plus kernel start
* address and length, otherwise NULL
*/
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images, ulong *os_data,
ulong *os_len)
{
image_header_t *hdr;
ulong img_addr;
const void *buf;
#if defined(CONFIG_FIT)
const void *fit_hdr;
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
const void *data;
size_t len;
int cfg_noffset;
int os_noffset;
#endif
/* find out kernel image address */
if (argc < 2) {
img_addr = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
#if defined(CONFIG_FIT)
} else if (fit_parse_conf(argv[1], load_addr, &img_addr,
&fit_uname_config)) {
debug("* kernel: config '%s' from image at 0x%08lx\n",
fit_uname_config, img_addr);
} else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
&fit_uname_kernel)) {
debug("* kernel: subimage '%s' from image at 0x%08lx\n",
fit_uname_kernel, img_addr);
#endif
} else {
img_addr = simple_strtoul(argv[1], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
}
bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
/* 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;
buf = map_sysmem(img_addr, 0);
switch (genimg_get_format(buf)) {
case IMAGE_FORMAT_LEGACY:
printf("## Booting kernel from Legacy Image at %08lx ...\n",
img_addr);
hdr = image_get_kernel(img_addr, images->verify);
if (!hdr)
return NULL;
bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
/* get os_data and os_len */
switch (image_get_type(hdr)) {
case IH_TYPE_KERNEL:
case IH_TYPE_KERNEL_NOLOAD:
*os_data = image_get_data(hdr);
*os_len = image_get_data_size(hdr);
break;
case IH_TYPE_MULTI:
image_multi_getimg(hdr, 0, os_data, os_len);
break;
case IH_TYPE_STANDALONE:
*os_data = image_get_data(hdr);
*os_len = image_get_data_size(hdr);
break;
default:
printf("Wrong Image Type for %s command\n",
cmdtp->name);
bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
return NULL;
}
/*
* copy image header to allow for image overwrites during
* kernel decompression.
*/
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;
bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
fit_hdr = buf;
printf("## Booting kernel from FIT Image at %08lx ...\n",
img_addr);
if (!fit_check_format(fit_hdr)) {
puts("Bad FIT kernel image format!\n");
bootstage_error(BOOTSTAGE_ID_FIT_FORMAT);
return NULL;
}
bootstage_mark(BOOTSTAGE_ID_FIT_FORMAT);
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
*/
bootstage_mark(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
#ifdef CONFIG_FIT_BEST_MATCH
if (fit_uname_config)
cfg_noffset =
fit_conf_get_node(fit_hdr,
fit_uname_config);
else
cfg_noffset =
fit_conf_find_compat(fit_hdr,
gd->fdt_blob);
#else
cfg_noffset = fit_conf_get_node(fit_hdr,
fit_uname_config);
#endif
if (cfg_noffset < 0) {
bootstage_error(BOOTSTAGE_ID_FIT_NO_UNIT_NAME);
return NULL;
}
/* save configuration uname provided in the first
* bootm argument
*/
images->fit_uname_cfg = fdt_get_name(fit_hdr,
cfg_noffset,
NULL);
printf(" Using '%s' configuration\n",
images->fit_uname_cfg);
bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
os_noffset = fit_conf_get_kernel_node(fit_hdr,
cfg_noffset);
fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
NULL);
} else {
/* get kernel component image node offset */
bootstage_mark(BOOTSTAGE_ID_FIT_UNIT_NAME);
os_noffset = fit_image_get_node(fit_hdr,
fit_uname_kernel);
}
if (os_noffset < 0) {
bootstage_error(BOOTSTAGE_ID_FIT_CONFIG);
return NULL;
}
printf(" Trying '%s' kernel subimage\n", fit_uname_kernel);
bootstage_mark(BOOTSTAGE_ID_FIT_CHECK_SUBIMAGE);
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");
bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO_ERR);
return NULL;
}
bootstage_mark(BOOTSTAGE_ID_FIT_KERNEL_INFO);
*os_len = len;
*os_data = (ulong)data;
images->fit_hdr_os = (void *)fit_hdr;
images->fit_uname_os = fit_uname_kernel;
images->fit_noffset_os = os_noffset;
break;
#endif
default:
printf("Wrong Image Format for %s command\n", cmdtp->name);
bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
return NULL;
}
debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
*os_data, *os_len, *os_len);
return buf;
}
/**
* 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
*
* boot_get_kernel() tries to find a kernel image, verifies its integrity
* and locates kernel data.
*
* returns:
* pointer to image header if valid image was found, plus kernel start
* address and length, otherwise NULL
*/
static const void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[], bootm_headers_t *images, ulong *os_data,
ulong *os_len)
{
image_header_t *hdr;
ulong img_addr;
const void *buf;
#if defined(CONFIG_FIT)
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
int os_noffset;
#endif
/* find out kernel image address */
if (argc < 1) {
img_addr = load_addr;
debug("* kernel: default image load address = 0x%08lx\n",
load_addr);
#if defined(CONFIG_FIT)
} else if (fit_parse_conf(argv[0], load_addr, &img_addr,
&fit_uname_config)) {
debug("* kernel: config '%s' from image at 0x%08lx\n",
fit_uname_config, img_addr);
} else if (fit_parse_subimage(argv[0], load_addr, &img_addr,
&fit_uname_kernel)) {
debug("* kernel: subimage '%s' from image at 0x%08lx\n",
fit_uname_kernel, img_addr);
#endif
} else {
img_addr = simple_strtoul(argv[0], NULL, 16);
debug("* kernel: cmdline image address = 0x%08lx\n", img_addr);
}
bootstage_mark(BOOTSTAGE_ID_CHECK_MAGIC);
/* 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;
buf = map_sysmem(img_addr, 0);
switch (genimg_get_format(buf)) {
case IMAGE_FORMAT_LEGACY:
printf("## Booting kernel from Legacy Image at %08lx ...\n",
img_addr);
hdr = image_get_kernel(img_addr, images->verify);
if (!hdr)
return NULL;
bootstage_mark(BOOTSTAGE_ID_CHECK_IMAGETYPE);
/* get os_data and os_len */
switch (image_get_type(hdr)) {
case IH_TYPE_KERNEL:
case IH_TYPE_KERNEL_NOLOAD:
*os_data = image_get_data(hdr);
*os_len = image_get_data_size(hdr);
break;
case IH_TYPE_MULTI:
image_multi_getimg(hdr, 0, os_data, os_len);
break;
case IH_TYPE_STANDALONE:
*os_data = image_get_data(hdr);
*os_len = image_get_data_size(hdr);
break;
default:
printf("Wrong Image Type for %s command\n",
cmdtp->name);
bootstage_error(BOOTSTAGE_ID_CHECK_IMAGETYPE);
return NULL;
}
/*
* copy image header to allow for image overwrites during
* kernel decompression.
*/
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;
bootstage_mark(BOOTSTAGE_ID_DECOMP_IMAGE);
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
os_noffset = fit_image_load(images, FIT_KERNEL_PROP,
img_addr,
&fit_uname_kernel, &fit_uname_config,
IH_ARCH_DEFAULT, IH_TYPE_KERNEL,
BOOTSTAGE_ID_FIT_KERNEL_START,
FIT_LOAD_IGNORED, os_data, os_len);
if (os_noffset < 0)
return NULL;
images->fit_hdr_os = map_sysmem(img_addr, 0);
images->fit_uname_os = fit_uname_kernel;
images->fit_uname_cfg = fit_uname_config;
images->fit_noffset_os = os_noffset;
break;
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE
case IMAGE_FORMAT_ANDROID:
printf("## Booting Android Image at 0x%08lx ...\n", img_addr);
if (android_image_get_kernel((void *)img_addr, images->verify,
os_data, os_len))
return NULL;
break;
#endif
default:
printf("Wrong Image Format for %s command\n", cmdtp->name);
bootstage_error(BOOTSTAGE_ID_FIT_KERNEL_INFO);
return NULL;
}
debug(" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
*os_data, *os_len, *os_len);
return buf;
}
extern "C" int
start_raw(int argc, const char **argv)
{
stage2_args args;
clear_bss();
// call C++ constructors before doing anything else
call_ctors();
args.heap_size = HEAP_SIZE;
args.arguments = NULL;
args.platform.boot_tgz_data = NULL;
args.platform.boot_tgz_size = 0;
args.platform.fdt_data = NULL;
args.platform.fdt_size = 0;
// if we get passed a uimage, try to find the third blob only if we do not have FDT data yet
if (gUImage != NULL
&& !gFDT
&& image_multi_getimg(gUImage, 2,
(uint32*)&args.platform.fdt_data,
&args.platform.fdt_size)) {
// found a blob, assume it is FDT data, when working on a platform
// which does not have an FDT enabled U-Boot
gFDT = args.platform.fdt_data;
}
serial_init(gFDT);
console_init();
cpu_init();
if (args.platform.fdt_data) {
dprintf("Found FDT from uimage @ %p, %" B_PRIu32 " bytes\n",
args.platform.fdt_data, args.platform.fdt_size);
} else if (gFDT) {
/* Fixup args so we can pass the gFDT on to the kernel */
args.platform.fdt_data = gFDT;
args.platform.fdt_size = fdt_totalsize(gFDT);
}
// if we get passed an FDT, check /chosen for initrd
if (gFDT != NULL) {
int node = fdt_path_offset(gFDT, "/chosen");
const void *prop;
int len;
phys_addr_t initrd_start = 0, initrd_end = 0;
if (node >= 0) {
prop = fdt_getprop(gFDT, node, "linux,initrd-start", &len);
if (prop && len == 4)
initrd_start = fdt32_to_cpu(*(uint32_t *)prop);
prop = fdt_getprop(gFDT, node, "linux,initrd-end", &len);
if (prop && len == 4)
initrd_end = fdt32_to_cpu(*(uint32_t *)prop);
if (initrd_end > initrd_start) {
args.platform.boot_tgz_data = (void *)initrd_start;
args.platform.boot_tgz_size = initrd_end - initrd_start;
dprintf("Found boot tgz from FDT @ %p, %" B_PRIu32 " bytes\n",
args.platform.boot_tgz_data, args.platform.boot_tgz_size);
}
}
}
// if we get passed a uimage, try to find the second blob
if (gUImage != NULL
&& image_multi_getimg(gUImage, 1,
(uint32*)&args.platform.boot_tgz_data,
&args.platform.boot_tgz_size)) {
dprintf("Found boot tgz from uimage @ %p, %" B_PRIu32 " bytes\n",
args.platform.boot_tgz_data, args.platform.boot_tgz_size);
}
{ //DEBUG:
int i;
dprintf("argc = %d\n", argc);
for (i = 0; i < argc; i++)
dprintf("argv[%d] @%lx = '%s'\n", i, (uint32)argv[i], argv[i]);
dprintf("os: %d\n", (int)gUBootOS);
dprintf("gd @ %p\n", gUBootGlobalData);
if (gUBootGlobalData)
dprintf("gd->bd @ %p\n", gUBootGlobalData->bd);
//dprintf("fb_base %p\n", (void*)gUBootGlobalData->fb_base);
if (gUImage)
dump_uimage(gUImage);
if (gFDT)
dump_fdt(gFDT);
}
mmu_init();
// wait a bit to give the user the opportunity to press a key
// spin(750000);
// reading the keyboard doesn't seem to work in graphics mode
// (maybe a bochs problem)
// sBootOptions = check_for_boot_keys();
//if (sBootOptions & BOOT_OPTION_DEBUG_OUTPUT)
serial_enable();
main(&args);
return 0;
}
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
bootm_headers_t *images)
{
void *base_ptr;
ulong os_data, os_len;
ulong initrd_start, initrd_end;
ulong ep;
image_header_t *hdr;
int ret;
#if defined(CONFIG_FIT)
const void *data;
size_t len;
#endif
ret = boot_get_ramdisk (argc, argv, images, IH_ARCH_I386,
&initrd_start, &initrd_end);
if (ret)
goto error;
if (images->legacy_hdr_valid) {
hdr = images->legacy_hdr_os;
if (image_check_type (hdr, IH_TYPE_MULTI)) {
/* if multi-part image, we need to get first subimage */
image_multi_getimg (hdr, 0, &os_data, &os_len);
} else {
/* otherwise get image data */
os_data = image_get_data (hdr);
os_len = image_get_data_size (hdr);
}
#if defined(CONFIG_FIT)
} else if (images->fit_uname_os) {
ret = fit_image_get_data (images->fit_hdr_os,
images->fit_noffset_os, &data, &len);
if (ret) {
puts ("Can't get image data/size!\n");
goto error;
}
os_data = (ulong)data;
os_len = (ulong)len;
#endif
} else {
puts ("Could not find kernel image!\n");
goto error;
}
base_ptr = load_zimage ((void*)os_data, os_len,
initrd_start, initrd_end - initrd_start, 0);
if (NULL == base_ptr) {
printf ("## Kernel loading failed ...\n");
goto error;
}
if (!images->autostart)
return ;
#ifdef DEBUG
printf ("## Transferring control to Linux (at address %08x) ...\n",
(u32)base_ptr);
#endif
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
boot_zimage(base_ptr);
/* does not return */
return;
error:
if (images->autostart)
do_reset (cmdtp, flag, argc, argv);
return;
}
/**
* boot_get_ramdisk - main ramdisk handling routine
* @argc: command argument count
* @argv: command argument list
* @images: pointer to the bootm images structure
* @arch: expected ramdisk architecture
* @rd_start: pointer to a ulong variable, will hold ramdisk start address
* @rd_end: pointer to a ulong variable, will hold ramdisk end
*
* boot_get_ramdisk() is responsible for finding a valid ramdisk image.
* Curently supported are the following ramdisk sources:
* - multicomponent kernel/ramdisk image,
* - commandline provided address of decicated ramdisk image.
*
* returns:
* 0, if ramdisk image was found and valid, or skiped
* rd_start and rd_end are set to ramdisk start/end addresses if
* ramdisk image is found and valid
*
* 1, if ramdisk image is found but corrupted, or invalid
* rd_start and rd_end are set to 0 if no ramdisk exists
*/
int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images,
uint8_t arch, ulong *rd_start, ulong *rd_end)
{
ulong rd_addr, rd_load;
ulong rd_data, rd_len;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
const image_header_t *rd_hdr;
#endif
void *buf;
#ifdef CONFIG_SUPPORT_RAW_INITRD
char *end;
#endif
#if defined(CONFIG_FIT)
const char *fit_uname_config = images->fit_uname_cfg;
const char *fit_uname_ramdisk = NULL;
ulong default_addr;
int rd_noffset;
#endif
const char *select = NULL;
*rd_start = 0;
*rd_end = 0;
if (argc >= 2)
select = argv[1];
/*
* Look for a '-' which indicates to ignore the
* ramdisk argument
*/
if (select && strcmp(select, "-") == 0) {
debug("## Skipping init Ramdisk\n");
rd_len = rd_data = 0;
} else if (select || genimg_has_config(images)) {
#if defined(CONFIG_FIT)
if (select) {
/*
* If the init ramdisk comes from the FIT image and
* the FIT image address is omitted in the command
* line argument, try to use os FIT image address or
* default load address.
*/
if (images->fit_uname_os)
default_addr = (ulong)images->fit_hdr_os;
else
default_addr = load_addr;
if (fit_parse_conf(select, default_addr,
&rd_addr, &fit_uname_config)) {
debug("* ramdisk: config '%s' from image at "
"0x%08lx\n",
fit_uname_config, rd_addr);
} else if (fit_parse_subimage(select, default_addr,
&rd_addr, &fit_uname_ramdisk)) {
debug("* ramdisk: subimage '%s' from image at "
"0x%08lx\n",
fit_uname_ramdisk, rd_addr);
} else
#endif
{
rd_addr = simple_strtoul(select, NULL, 16);
debug("* ramdisk: cmdline image address = "
"0x%08lx\n",
rd_addr);
}
#if defined(CONFIG_FIT)
} else {
/* use FIT configuration provided in first bootm
* command argument. If the property is not defined,
* quit silently.
*/
rd_addr = map_to_sysmem(images->fit_hdr_os);
rd_noffset = fit_get_node_from_config(images,
FIT_RAMDISK_PROP, rd_addr);
if (rd_noffset == -ENOLINK)
return 0;
else if (rd_noffset < 0)
return 1;
}
#endif
/* copy from dataflash if needed */
rd_addr = genimg_get_image(rd_addr);
/*
* Check if there is an initrd image at the
* address provided in the second bootm argument
* check image type, for FIT images get FIT node.
*/
buf = map_sysmem(rd_addr, 0);
switch (genimg_get_format(buf)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
printf("## Loading init Ramdisk from Legacy "
"Image at %08lx ...\n", rd_addr);
bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK);
rd_hdr = image_get_ramdisk(rd_addr, arch,
images->verify);
if (rd_hdr == NULL)
return 1;
rd_data = image_get_data(rd_hdr);
rd_len = image_get_data_size(rd_hdr);
rd_load = image_get_load(rd_hdr);
break;
#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
rd_noffset = fit_image_load(images,
rd_addr, &fit_uname_ramdisk,
&fit_uname_config, arch,
IH_TYPE_RAMDISK,
BOOTSTAGE_ID_FIT_RD_START,
FIT_LOAD_IGNORED, &rd_data, &rd_len);
if (rd_noffset < 0)
return 1;
images->fit_hdr_rd = map_sysmem(rd_addr, 0);
images->fit_uname_rd = fit_uname_ramdisk;
images->fit_noffset_rd = rd_noffset;
break;
#endif
default:
#ifdef CONFIG_SUPPORT_RAW_INITRD
end = NULL;
if (select)
end = strchr(select, ':');
if (end) {
rd_len = simple_strtoul(++end, NULL, 16);
rd_data = rd_addr;
} else
#endif
{
puts("Wrong Ramdisk Image Format\n");
rd_data = rd_len = rd_load = 0;
return 1;
}
}
} else if (images->legacy_hdr_valid &&
image_check_type(&images->legacy_hdr_os_copy,
IH_TYPE_MULTI)) {
/*
* Now check if we have a legacy mult-component image,
* get second entry data start address and len.
*/
bootstage_mark(BOOTSTAGE_ID_RAMDISK);
printf("## Loading init Ramdisk from multi component "
"Legacy Image at %08lx ...\n",
(ulong)images->legacy_hdr_os);
image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len);
}
#ifdef CONFIG_ANDROID_BOOT_IMAGE
else if ((genimg_get_format(images) == IMAGE_FORMAT_ANDROID) &&
(!android_image_get_ramdisk((void *)images->os.start,
&rd_data, &rd_len))) {
/* empty */
}
#endif
else {
/*
* no initrd image
*/
bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK);
rd_len = rd_data = 0;
}
if (!rd_data) {
debug("## No init Ramdisk\n");
} else {
*rd_start = rd_data;
*rd_end = rd_data + rd_len;
}
debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n",
*rd_start, *rd_end);
return 0;
}
static int
do_imgextract(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
ulong addr = load_addr;
ulong dest = 0;
ulong data, len;
int verify;
int part = 0;
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
ulong count;
image_header_t *hdr = NULL;
#endif
#if defined(CONFIG_FIT)
const char *uname = NULL;
const void* fit_hdr;
int noffset;
const void *fit_data;
size_t fit_len;
#endif
#ifdef CONFIG_GZIP
uint unc_len = CONFIG_SYS_XIMG_LEN;
#endif
uint8_t comp;
verify = env_get_yesno("verify");
if (argc > 1) {
addr = simple_strtoul(argv[1], NULL, 16);
}
if (argc > 2) {
part = simple_strtoul(argv[2], NULL, 16);
#if defined(CONFIG_FIT)
uname = argv[2];
#endif
}
if (argc > 3) {
dest = simple_strtoul(argv[3], NULL, 16);
}
switch (genimg_get_format((void *)addr)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IMAGE_FORMAT_LEGACY:
printf("## Copying part %d from legacy image "
"at %08lx ...\n", part, addr);
hdr = (image_header_t *)addr;
if (!image_check_magic(hdr)) {
printf("Bad Magic Number\n");
return 1;
}
if (!image_check_hcrc(hdr)) {
printf("Bad Header Checksum\n");
return 1;
}
#ifdef DEBUG
image_print_contents(hdr);
#endif
if (!image_check_type(hdr, IH_TYPE_MULTI) &&
!image_check_type(hdr, IH_TYPE_SCRIPT)) {
printf("Wrong Image Type for %s command\n",
cmdtp->name);
return 1;
}
comp = image_get_comp(hdr);
if ((comp != IH_COMP_NONE) && (argc < 4)) {
printf("Must specify load address for %s command "
"with compressed image\n",
cmdtp->name);
return 1;
}
if (verify) {
printf(" Verifying Checksum ... ");
if (!image_check_dcrc(hdr)) {
printf("Bad Data CRC\n");
return 1;
}
printf("OK\n");
}
count = image_multi_count(hdr);
if (part >= count) {
printf("Bad Image Part\n");
return 1;
}
image_multi_getimg(hdr, part, &data, &len);
break;
#endif
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
if (uname == NULL) {
puts("No FIT subimage unit name\n");
return 1;
}
printf("## Copying '%s' subimage from FIT image "
"at %08lx ...\n", uname, addr);
fit_hdr = (const void *)addr;
if (!fit_check_format(fit_hdr)) {
puts("Bad FIT image format\n");
return 1;
}
/* get subimage node offset */
noffset = fit_image_get_node(fit_hdr, uname);
if (noffset < 0) {
printf("Can't find '%s' FIT subimage\n", uname);
return 1;
}
if (!fit_image_check_comp(fit_hdr, noffset, IH_COMP_NONE)
&& (argc < 4)) {
printf("Must specify load address for %s command "
"with compressed image\n",
cmdtp->name);
return 1;
}
/* verify integrity */
if (verify) {
if (!fit_image_verify(fit_hdr, noffset)) {
puts("Bad Data Hash\n");
return 1;
}
}
/* get subimage/external data address and length */
if (fit_image_get_data_and_size(fit_hdr, noffset,
&fit_data, &fit_len)) {
puts("Could not find script subimage data\n");
return 1;
}
if (fit_image_get_comp(fit_hdr, noffset, &comp)) {
puts("Could not find script subimage "
"compression type\n");
return 1;
}
data = (ulong)fit_data;
len = (ulong)fit_len;
break;
#endif
default:
puts("Invalid image type for imxtract\n");
return 1;
}
if (argc > 3) {
switch (comp) {
case IH_COMP_NONE:
#if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)
{
size_t l = len;
size_t tail;
void *to = (void *) dest;
void *from = (void *)data;
printf(" Loading part %d ... ", part);
while (l > 0) {
tail = (l > CHUNKSZ) ? CHUNKSZ : l;
WATCHDOG_RESET();
memmove(to, from, tail);
to += tail;
from += tail;
l -= tail;
}
}
#else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */
printf(" Loading part %d ... ", part);
memmove((char *) dest, (char *)data, len);
#endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */
break;
#ifdef CONFIG_GZIP
case IH_COMP_GZIP:
printf(" Uncompressing part %d ... ", part);
if (gunzip((void *) dest, unc_len,
(uchar *) data, &len) != 0) {
puts("GUNZIP ERROR - image not loaded\n");
return 1;
}
break;
#endif
#if defined(CONFIG_BZIP2) && defined(CONFIG_IMAGE_FORMAT_LEGACY)
case IH_COMP_BZIP2:
{
int i;
printf(" Uncompressing part %d ... ", part);
/*
* If we've got less than 4 MB of malloc()
* space, use slower decompression algorithm
* which requires at most 2300 KB of memory.
*/
i = BZ2_bzBuffToBuffDecompress(
map_sysmem(ntohl(hdr->ih_load), 0),
&unc_len, (char *)data, len,
CONFIG_SYS_MALLOC_LEN < (4096 * 1024),
0);
if (i != BZ_OK) {
printf("BUNZIP2 ERROR %d - "
"image not loaded\n", i);
return 1;
}
}
break;
#endif /* CONFIG_BZIP2 */
default:
printf("Unimplemented compression type %d\n", comp);
return 1;
}
puts("OK\n");
}
flush_cache(dest, ALIGN(len, ARCH_DMA_MINALIGN));
env_set_hex("fileaddr", data);
env_set_hex("filesize", len);
return 0;
}
