diff options
9 files changed, 171 insertions, 4 deletions
diff --git a/target/linux/generic/config-3.10 b/target/linux/generic/config-3.10 index a2d4ec2bc0..30d7d6e7a8 100644 --- a/target/linux/generic/config-3.10 +++ b/target/linux/generic/config-3.10 @@ -1955,6 +1955,7 @@ CONFIG_MTD_ROOTFS_SPLIT=y CONFIG_MTD_SPLIT=y # CONFIG_MTD_SPLIT_FIRMWARE is not set CONFIG_MTD_SPLIT_FIRMWARE_NAME="firmware" +# CONFIG_MTD_SPLIT_LZMA_FW is not set # CONFIG_MTD_SPLIT_SEAMA_FW is not set # CONFIG_MTD_SPLIT_SQUASHFS_ROOT is not set # CONFIG_MTD_SPLIT_UIMAGE_FW is not set diff --git a/target/linux/generic/config-3.12 b/target/linux/generic/config-3.12 index 8398a6130a..78d376a0cf 100644 --- a/target/linux/generic/config-3.12 +++ b/target/linux/generic/config-3.12 @@ -2031,6 +2031,7 @@ CONFIG_MTD_ROOTFS_SPLIT=y CONFIG_MTD_SPLIT=y # CONFIG_MTD_SPLIT_FIRMWARE is not set CONFIG_MTD_SPLIT_FIRMWARE_NAME="firmware" +# CONFIG_MTD_SPLIT_LZMA_FW is not set # CONFIG_MTD_SPLIT_SEAMA_FW is not set # CONFIG_MTD_SPLIT_SQUASHFS_ROOT is not set # CONFIG_MTD_SPLIT_UIMAGE_FW is not set diff --git a/target/linux/generic/config-3.13 b/target/linux/generic/config-3.13 index 8579f8b053..ff6c09c2a9 100644 --- a/target/linux/generic/config-3.13 +++ b/target/linux/generic/config-3.13 @@ -2051,6 +2051,7 @@ CONFIG_MTD_ROOTFS_SPLIT=y CONFIG_MTD_SPLIT=y # CONFIG_MTD_SPLIT_FIRMWARE is not set CONFIG_MTD_SPLIT_FIRMWARE_NAME="firmware" +# CONFIG_MTD_SPLIT_LZMA_FW is not set # CONFIG_MTD_SPLIT_SEAMA_FW is not set # CONFIG_MTD_SPLIT_SQUASHFS_ROOT is not set # CONFIG_MTD_SPLIT_UIMAGE_FW is not set diff --git a/target/linux/generic/files/drivers/mtd/mtdsplit_lzma.c b/target/linux/generic/files/drivers/mtd/mtdsplit_lzma.c new file mode 100644 index 0000000000..d23060a7d5 --- /dev/null +++ b/target/linux/generic/files/drivers/mtd/mtdsplit_lzma.c @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> + +#include <asm/unaligned.h> + +#include "mtdsplit.h" + +#define LZMA_NR_PARTS 2 +#define LZMA_PROPERTIES_SIZE 5 + +struct lzma_header { + u8 props[LZMA_PROPERTIES_SIZE]; + u8 size_low[4]; + u8 size_high[4]; +}; + +static int mtdsplit_parse_lzma(struct mtd_info *master, + struct mtd_partition **pparts, + struct mtd_part_parser_data *data) +{ + struct lzma_header hdr; + size_t hdr_len, retlen; + size_t rootfs_offset; + u32 t; + struct mtd_partition *parts; + int err; + + hdr_len = sizeof(hdr); + err = mtd_read(master, 0, hdr_len, &retlen, (void *) &hdr); + if (err) + return err; + + if (retlen != hdr_len) + return -EIO; + + /* verify LZMA properties */ + if (hdr.props[0] >= (9 * 5 * 5)) + return -EINVAL; + + t = get_unaligned_le32(&hdr.props[1]); + if (!is_power_of_2(t)) + return -EINVAL; + + t = get_unaligned_le32(&hdr.size_high); + if (t) + return -EINVAL; + + err = mtd_find_rootfs_from(master, master->erasesize, + master->size, &rootfs_offset); + if (err) + return err; + + parts = kzalloc(LZMA_NR_PARTS * sizeof(*parts), GFP_KERNEL); + if (!parts) + return -ENOMEM; + + parts[0].name = KERNEL_PART_NAME; + parts[0].offset = 0; + parts[0].size = rootfs_offset; + + parts[1].name = ROOTFS_PART_NAME; + parts[1].offset = rootfs_offset; + parts[1].size = master->size - rootfs_offset; + + *pparts = parts; + return LZMA_NR_PARTS; +} + +static struct mtd_part_parser mtdsplit_lzma_parser = { + .owner = THIS_MODULE, + .name = "lzma-fw", + .parse_fn = mtdsplit_parse_lzma, + .type = MTD_PARSER_TYPE_FIRMWARE, +}; + +static int +mtdsplit_lzma_init(void) +{ + return register_mtd_parser(&mtdsplit_lzma_parser); +} + +subsys_initcall(mtdsplit_lzma_init); diff --git a/target/linux/generic/patches-3.10/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch b/target/linux/generic/patches-3.10/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch new file mode 100644 index 0000000000..cc9a971573 --- /dev/null +++ b/target/linux/generic/patches-3.10/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch @@ -0,0 +1,23 @@ +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -58,6 +58,10 @@ config MTD_SPLIT_UIMAGE_FW + bool "uImage based firmware partition parser" + select MTD_SPLIT + ++config MTD_SPLIT_LZMA_FW ++ bool "LZMA compressed kernel based firmware partition parser" ++ select MTD_SPLIT ++ + config MTD_SPLIT + def_bool n + help +--- a/drivers/mtd/Makefile ++++ b/drivers/mtd/Makefile +@@ -10,6 +10,7 @@ mtd-$(CONFIG_MTD_SPLIT) += mtdsplit.o + mtd-$(CONFIG_MTD_SPLIT_SEAMA_FW) += mtdsplit_seama.o + mtd-$(CONFIG_MTD_SPLIT_SQUASHFS_ROOT) += mtdsplit_squashfs.o + mtd-$(CONFIG_MTD_SPLIT_UIMAGE_FW) += mtdsplit_uimage.o ++mtd-$(CONFIG_MTD_SPLIT_LZMA_FW) += mtdsplit_lzma.o + + obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o + obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o diff --git a/target/linux/generic/patches-3.12/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch b/target/linux/generic/patches-3.12/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch new file mode 100644 index 0000000000..cc9a971573 --- /dev/null +++ b/target/linux/generic/patches-3.12/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch @@ -0,0 +1,23 @@ +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -58,6 +58,10 @@ config MTD_SPLIT_UIMAGE_FW + bool "uImage based firmware partition parser" + select MTD_SPLIT + ++config MTD_SPLIT_LZMA_FW ++ bool "LZMA compressed kernel based firmware partition parser" ++ select MTD_SPLIT ++ + config MTD_SPLIT + def_bool n + help +--- a/drivers/mtd/Makefile ++++ b/drivers/mtd/Makefile +@@ -10,6 +10,7 @@ mtd-$(CONFIG_MTD_SPLIT) += mtdsplit.o + mtd-$(CONFIG_MTD_SPLIT_SEAMA_FW) += mtdsplit_seama.o + mtd-$(CONFIG_MTD_SPLIT_SQUASHFS_ROOT) += mtdsplit_squashfs.o + mtd-$(CONFIG_MTD_SPLIT_UIMAGE_FW) += mtdsplit_uimage.o ++mtd-$(CONFIG_MTD_SPLIT_LZMA_FW) += mtdsplit_lzma.o + + obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o + obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o diff --git a/target/linux/generic/patches-3.12/430-mtd-add-myloader-partition-parser.patch b/target/linux/generic/patches-3.12/430-mtd-add-myloader-partition-parser.patch index 47c2fd06e7..fc352d2779 100644 --- a/target/linux/generic/patches-3.12/430-mtd-add-myloader-partition-parser.patch +++ b/target/linux/generic/patches-3.12/430-mtd-add-myloader-partition-parser.patch @@ -1,6 +1,6 @@ --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig -@@ -208,6 +208,22 @@ config MTD_BCM47XX_PARTS +@@ -212,6 +212,22 @@ config MTD_BCM47XX_PARTS This provides partitions parser for devices based on BCM47xx boards. @@ -25,7 +25,7 @@ config MTD_BLKDEVS --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile -@@ -18,6 +18,7 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o +@@ -19,6 +19,7 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o diff --git a/target/linux/generic/patches-3.13/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch b/target/linux/generic/patches-3.13/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch new file mode 100644 index 0000000000..cc9a971573 --- /dev/null +++ b/target/linux/generic/patches-3.13/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch @@ -0,0 +1,23 @@ +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -58,6 +58,10 @@ config MTD_SPLIT_UIMAGE_FW + bool "uImage based firmware partition parser" + select MTD_SPLIT + ++config MTD_SPLIT_LZMA_FW ++ bool "LZMA compressed kernel based firmware partition parser" ++ select MTD_SPLIT ++ + config MTD_SPLIT + def_bool n + help +--- a/drivers/mtd/Makefile ++++ b/drivers/mtd/Makefile +@@ -10,6 +10,7 @@ mtd-$(CONFIG_MTD_SPLIT) += mtdsplit.o + mtd-$(CONFIG_MTD_SPLIT_SEAMA_FW) += mtdsplit_seama.o + mtd-$(CONFIG_MTD_SPLIT_SQUASHFS_ROOT) += mtdsplit_squashfs.o + mtd-$(CONFIG_MTD_SPLIT_UIMAGE_FW) += mtdsplit_uimage.o ++mtd-$(CONFIG_MTD_SPLIT_LZMA_FW) += mtdsplit_lzma.o + + obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o + obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o diff --git a/target/linux/generic/patches-3.13/430-mtd-add-myloader-partition-parser.patch b/target/linux/generic/patches-3.13/430-mtd-add-myloader-partition-parser.patch index 47c2fd06e7..fc352d2779 100644 --- a/target/linux/generic/patches-3.13/430-mtd-add-myloader-partition-parser.patch +++ b/target/linux/generic/patches-3.13/430-mtd-add-myloader-partition-parser.patch @@ -1,6 +1,6 @@ --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig -@@ -208,6 +208,22 @@ config MTD_BCM47XX_PARTS +@@ -212,6 +212,22 @@ config MTD_BCM47XX_PARTS This provides partitions parser for devices based on BCM47xx boards. @@ -25,7 +25,7 @@ config MTD_BLKDEVS --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile -@@ -18,6 +18,7 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o +@@ -19,6 +19,7 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o obj-$(CONFIG_MTD_AR7_PARTS) += ar7part.o obj-$(CONFIG_MTD_BCM63XX_PARTS) += bcm63xxpart.o obj-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o |