diff options
| -rw-r--r-- | target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c index 41347d0419..a6e50b5113 100644 --- a/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c +++ b/target/linux/generic/files/drivers/mtd/mtdsplit/mtdsplit_uimage.c @@ -424,6 +424,63 @@ static struct mtd_part_parser uimage_fonfxc_parser = { }; /************************************************** + * OKLI (OpenWrt Kernel Loader Image) + **************************************************/ + +#define IH_MAGIC_OKLI 0x4f4b4c49 + +static ssize_t uimage_verify_okli(u_char *buf, size_t len, int *extralen) +{ + struct uimage_header *header = (struct uimage_header *)buf; + + /* default sanity checks */ + if (be32_to_cpu(header->ih_magic) != IH_MAGIC_OKLI) { + pr_debug("invalid uImage magic: %08x\n", + be32_to_cpu(header->ih_magic)); + return -EINVAL; + } + + if (header->ih_os != IH_OS_LINUX) { + pr_debug("invalid uImage OS: %08x\n", + be32_to_cpu(header->ih_os)); + return -EINVAL; + } + + if (header->ih_type != IH_TYPE_KERNEL) { + pr_debug("invalid uImage type: %08x\n", + be32_to_cpu(header->ih_type)); + return -EINVAL; + } + + return 0; +} + +static int +mtdsplit_uimage_parse_okli(struct mtd_info *master, + const struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +{ + return __mtdsplit_parse_uimage(master, pparts, data, + uimage_verify_okli); +} + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0) +static const struct of_device_id mtdsplit_uimage_okli_of_match_table[] = { + { .compatible = "openwrt,okli" }, + {}, +}; +#endif + +static struct mtd_part_parser uimage_okli_parser = { + .owner = THIS_MODULE, + .name = "okli-fw", +#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0) + .of_match_table = mtdsplit_uimage_okli_of_match_table, +#endif + .parse_fn = mtdsplit_uimage_parse_okli, +}; + +/************************************************** * Init **************************************************/ @@ -433,6 +490,7 @@ static int __init mtdsplit_uimage_init(void) register_mtd_parser(&uimage_netgear_parser); register_mtd_parser(&uimage_edimax_parser); register_mtd_parser(&uimage_fonfxc_parser); + register_mtd_parser(&uimage_okli_parser); return 0; } |