static int do_bootm_kwbimage_v0_v1(struct image_data *data)
{
int fd, ret;
loff_t offset;
char header[0x20];
u32 image_size, image_source;
void (*barebox)(void);
fd = open(data->os_file, O_RDONLY);
if (fd < 0)
return fd;
ret = read_full(fd, header, 0x20);
if (ret < 0x20) {
pr_err("Failed to read header\n");
if (ret >= 0)
return -EINVAL;
return -errno;
}
image_size = header[4] | header[5] << 8 | header[6] << 16 | header[7] << 24;
image_source = header[0xc] | header[0xd] << 8 |
header[0xe] << 16 | header[0xf] << 24;
if (data->verbose)
pr_info("size: %u\noffset: %u\n", image_size, image_source);
offset = lseek(fd, image_source, SEEK_SET);
if (offset < 0) {
pr_err("Failed to seek to image (%lld, %d)\n", offset, errno);
return -errno;
}
barebox = xzalloc(image_size);
ret = read_full(fd, barebox, image_size);
if (ret < image_size) {
pr_err("Failed to read image\n");
if (ret >= 0)
ret = -EINVAL;
else
ret = -errno;
goto out_free;
}
if (is_barebox_arm_head((void *)barebox))
put_unaligned_le32(MVEBU_REMAP_INT_REG_BASE, barebox + 0x30);
shutdown_barebox();
barebox();
restart_machine();
out_free:
free(barebox);
return ret;
}
static unsigned int get_image_size(void *head)
{
unsigned int ret = 0;
unsigned int *psize = head + ARM_HEAD_SIZE_OFFSET;
if (is_barebox_arm_head(head))
ret = *psize;
debug("Detected barebox image size %u\n", ret);
return ret;
}
enum filetype file_detect_type(void *_buf)
{
u32 *buf = _buf;
u64 *buf64 = _buf;
u8 *buf8 = _buf;
enum filetype type;
if (strncmp(buf8, "#!/bin/sh", 9) == 0)
return filetype_sh;
if (is_barebox_arm_head(_buf))
return filetype_arm_barebox;
if (buf[9] == 0x016f2818 || buf[9] == 0x18286f01)
return filetype_arm_zimage;
if (buf8[0] == 0x89 && buf8[1] == 0x4c && buf8[2] == 0x5a &&
buf8[3] == 0x4f)
return filetype_lzo_compressed;
if (buf[0] == be32_to_cpu(0x27051956))
return filetype_uimage;
if (buf[0] == 0x23494255)
return filetype_ubi;
if (buf[0] == 0x20031985)
return filetype_jffs2;
if (buf8[0] == 0x1f && buf8[1] == 0x8b && buf8[2] == 0x08)
return filetype_gzip;
if (buf8[0] == 'B' && buf8[1] == 'Z' && buf8[2] == 'h' &&
buf8[3] > '0' && buf8[3] <= '9')
return filetype_bzip2;
if (buf[0] == be32_to_cpu(0xd00dfeed))
return filetype_oftree;
if (strncmp(buf8, "ANDROID!", 8) == 0)
return filetype_aimage;
if (strncmp(buf8 + 0x10, "barebox", 7) == 0)
return filetype_mips_barebox;
type = is_fat_or_mbr(buf8, NULL);
if (type != filetype_unknown)
return type;
if (strncmp(buf8, "BM", 2) == 0)
return filetype_bmp;
if (buf64[0] == le64_to_cpu(0x0a1a0a0d474e5089ull))
return filetype_png;
return filetype_unknown;
}
