static void image_print_type(const image_header_t *hdr)
{
const char *os, *arch, *type, *comp;
os = genimg_get_os_name(image_get_os(hdr));
arch = genimg_get_arch_name(image_get_arch(hdr));
type = genimg_get_type_name(image_get_type(hdr));
comp = genimg_get_comp_name(image_get_comp(hdr));
printf("%s %s %s (%s)\n", arch, os, type, comp);
}
/**
* run_bootm_test() - Run tests on the bootm decopmression function
*
* @comp_type: Compression type to test
* @compress: Our function to compress data
* @return 0 if OK, non-zero on failure
*/
static int run_bootm_test(int comp_type, mutate_func compress)
{
ulong compress_size = 1024;
void *compress_buff;
int unc_len;
int err = 0;
const ulong image_start = 0;
const ulong load_addr = 0x1000;
ulong load_end;
printf("Testing: %s\n", genimg_get_comp_name(comp_type));
compress_buff = map_sysmem(image_start, 0);
unc_len = strlen(plain);
compress((void *)plain, unc_len, compress_buff, compress_size,
&compress_size);
err = bootm_decomp_image(comp_type, load_addr, image_start,
IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
compress_buff, compress_size, unc_len,
&load_end);
if (err)
return err;
err = bootm_decomp_image(comp_type, load_addr, image_start,
IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
compress_buff, compress_size, unc_len - 1,
&load_end);
if (!err)
return -EINVAL;
/* We can't detect corruption when not decompressing */
if (comp_type == IH_COMP_NONE)
return 0;
memset(compress_buff + compress_size / 2, '\x49',
compress_size / 2);
err = bootm_decomp_image(comp_type, load_addr, image_start,
IH_TYPE_KERNEL, map_sysmem(load_addr, 0),
compress_buff, compress_size, 0x10000,
&load_end);
if (!err)
return -EINVAL;
return 0;
}
/**
* handle_decomp_error() - display a decompression error
*
* This function tries to produce a useful message. In the case where the
* uncompressed size is the same as the available space, we can assume that
* the image is too large for the buffer.
*
* @comp_type: Compression type being used (IH_COMP_...)
* @uncomp_size: Number of bytes uncompressed
* @unc_len: Amount of space available for decompression
* @ret: Error code to report
* @return BOOTM_ERR_RESET, indicating that the board must be reset
*/
static int handle_decomp_error(int comp_type, size_t uncomp_size,
size_t unc_len, int ret)
{
const char *name = genimg_get_comp_name(comp_type);
if (uncomp_size >= unc_len)
printf("Image too large: increase CONFIG_SYS_BOOTM_LEN\n");
else
printf("%s: uncompress error %d\n", name, ret);
/*
* The decompression routines are now safe, so will not write beyond
* their bounds. Probably it is not necessary to reset, but maintain
* the current behaviour for now.
*/
printf("Must RESET board to recover\n");
#ifndef USE_HOSTCC
bootstage_error(BOOTSTAGE_ID_DECOMP_IMAGE);
#endif
return BOOTM_ERR_RESET;
}
/**
* fit_image_print - prints out the FIT component image details
* @fit: pointer to the FIT format image header
* @image_noffset: offset of the component image node
* @p: pointer to prefix string
*
* fit_image_print() lists all mandatory properies for the processed component
* image. If present, hash nodes are printed out as well. Load
* address for images of type firmware is also printed out. Since the load
* address is not mandatory for firmware images, it will be output as
* "unavailable" when not present.
*
* returns:
* no returned results
*/
void fit_image_print(const void *fit, int image_noffset, const char *p)
{
char *desc;
uint8_t type, arch, os, comp;
size_t size;
ulong load, entry;
const void *data;
int noffset;
int ndepth;
int ret;
/* Mandatory properties */
ret = fit_get_desc(fit, image_noffset, &desc);
printf("%s Description: ", p);
if (ret)
printf("unavailable\n");
else
printf("%s\n", desc);
fit_image_get_type(fit, image_noffset, &type);
printf("%s Type: %s\n", p, genimg_get_type_name(type));
fit_image_get_comp(fit, image_noffset, &comp);
printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
ret = fit_image_get_data(fit, image_noffset, &data, &size);
#ifndef USE_HOSTCC
printf("%s Data Start: ", p);
if (ret) {
printf("unavailable\n");
} else {
void *vdata = (void *)data;
printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
}
#endif
printf("%s Data Size: ", p);
if (ret)
printf("unavailable\n");
else
genimg_print_size(size);
/* Remaining, type dependent properties */
if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
(type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
(type == IH_TYPE_FLATDT)) {
fit_image_get_arch(fit, image_noffset, &arch);
printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
}
if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
fit_image_get_os(fit, image_noffset, &os);
printf("%s OS: %s\n", p, genimg_get_os_name(os));
}
if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
(type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) {
ret = fit_image_get_load(fit, image_noffset, &load);
printf("%s Load Address: ", p);
if (ret)
printf("unavailable\n");
else
printf("0x%08lx\n", load);
}
if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
(type == IH_TYPE_RAMDISK)) {
fit_image_get_entry(fit, image_noffset, &entry);
printf("%s Entry Point: ", p);
if (ret)
printf("unavailable\n");
else
printf("0x%08lx\n", entry);
}
/* Process all hash subnodes of the component image node */
for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
(noffset >= 0) && (ndepth > 0);
noffset = fdt_next_node(fit, noffset, &ndepth)) {
if (ndepth == 1) {
/* Direct child node of the component image node */
fit_image_print_verification_data(fit, noffset, p);
}
}
}
/**
* spl_load_fit_image(): load the image described in a certain FIT node
* @info: points to information about the device to load data from
* @sector: the start sector of the FIT image on the device
* @fit: points to the flattened device tree blob describing the FIT
* image
* @base_offset: the beginning of the data area containing the actual
* image data, relative to the beginning of the FIT
* @node: offset of the DT node describing the image to load (relative
* to @fit)
* @image_info: will be filled with information about the loaded image
* If the FIT node does not contain a "load" (address) property,
* the image gets loaded to the address pointed to by the
* load_addr member in this struct.
*
* Return: 0 on success or a negative error number.
*/
static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
void *fit, ulong base_offset, int node,
struct spl_image_info *image_info)
{
int offset;
size_t length;
int len;
ulong size;
ulong load_addr, load_ptr;
void *src;
ulong overhead;
int nr_sectors;
int align_len = ARCH_DMA_MINALIGN - 1;
uint8_t image_comp = -1, type = -1;
const void *data;
if (IS_ENABLED(CONFIG_SPL_OS_BOOT) && IS_ENABLED(CONFIG_SPL_GZIP)) {
if (fit_image_get_comp(fit, node, &image_comp))
puts("Cannot get image compression format.\n");
else
debug("%s ", genimg_get_comp_name(image_comp));
if (fit_image_get_type(fit, node, &type))
puts("Cannot get image type.\n");
else
debug("%s ", genimg_get_type_name(type));
}
if (fit_image_get_load(fit, node, &load_addr))
load_addr = image_info->load_addr;
if (!fit_image_get_data_offset(fit, node, &offset)) {
/* External data */
offset += base_offset;
if (fit_image_get_data_size(fit, node, &len))
return -ENOENT;
load_ptr = (load_addr + align_len) & ~align_len;
length = len;
overhead = get_aligned_image_overhead(info, offset);
nr_sectors = get_aligned_image_size(info, length, offset);
if (info->read(info,
sector + get_aligned_image_offset(info, offset),
nr_sectors, (void *)load_ptr) != nr_sectors)
return -EIO;
debug("External data: dst=%lx, offset=%x, size=%lx\n",
load_ptr, offset, (unsigned long)length);
src = (void *)load_ptr + overhead;
} else {
/* Embedded data */
if (fit_image_get_data(fit, node, &data, &length)) {
puts("Cannot get image data/size\n");
return -ENOENT;
}
debug("Embedded data: dst=%lx, size=%lx\n", load_addr,
(unsigned long)length);
src = (void *)data;
}
#ifdef CONFIG_SPL_FIT_IMAGE_POST_PROCESS
board_fit_image_post_process(&src, &length);
#endif
if (IS_ENABLED(CONFIG_SPL_OS_BOOT) &&
IS_ENABLED(CONFIG_SPL_GZIP) &&
image_comp == IH_COMP_GZIP &&
type == IH_TYPE_KERNEL) {
size = length;
if (gunzip((void *)load_addr, CONFIG_SYS_BOOTM_LEN,
src, &size)) {
puts("Uncompressing error\n");
return -EIO;
}
length = size;
} else {
memcpy((void *)load_addr, src, length);
}
if (image_info) {
image_info->load_addr = load_addr;
image_info->size = length;
image_info->entry_point = fdt_getprop_u32(fit, node, "entry");
}
return 0;
}
