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authorGabor Juhos <juhosg@openwrt.org>2014-01-24 17:14:59 +0000
committerGabor Juhos <juhosg@openwrt.org>2014-01-24 17:14:59 +0000
commit89d60314e766e2d579bdbf63227c601c0eedfef6 (patch)
treedcb6e729e229bc77b71270e85562f7fbcdd5c225
parent64f3676a25d7d1b8b5417dd9f75eaca1798a2d45 (diff)
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kernel/3.1x: add split code for LZMA compressed kernel based firmwares
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 39387
-rw-r--r--target/linux/generic/config-3.101
-rw-r--r--target/linux/generic/config-3.121
-rw-r--r--target/linux/generic/config-3.131
-rw-r--r--target/linux/generic/files/drivers/mtd/mtdsplit_lzma.c95
-rw-r--r--target/linux/generic/patches-3.10/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch23
-rw-r--r--target/linux/generic/patches-3.12/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch23
-rw-r--r--target/linux/generic/patches-3.12/430-mtd-add-myloader-partition-parser.patch4
-rw-r--r--target/linux/generic/patches-3.13/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch23
-rw-r--r--target/linux/generic/patches-3.13/430-mtd-add-myloader-partition-parser.patch4
9 files changed, 171 insertions, 4 deletions
diff --git a/target/linux/generic/config-3.10 b/target/linux/generic/config-3.10
index a2d4ec2..30d7d6e 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 8398a61..78d376a 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 8579f8b..ff6c09c 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 0000000..d23060a
--- /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 0000000..cc9a971
--- /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-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
diff --git a/target/linux/generic/patches-3.12/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch b/target/linux/generic/patches-3.12/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch
new file mode 100644
index 0000000..cc9a971
--- /dev/null
+++ b/target/linux/generic/patches-3.12/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch
@@ -0,0 +1,23 @@
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -58,6 +58,10 @@ config MTD_SPLIT_UIMAGE_FW
+ bool "uImage based firmware partition parser"
+ select MTD_SPLIT
+
++config MTD_SPLIT_LZMA_FW
++ bool "LZMA compressed kernel based firmware partition parser"
++ select MTD_SPLIT
++
+ config MTD_SPLIT
+ def_bool n
+ help
+--- a/drivers/mtd/Makefile
++++ b/drivers/mtd/Makefile
+@@ -10,6 +10,7 @@ mtd-$(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 47c2fd0..fc352d2 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-$(CONFIG_MTD_BCM47XX_PARTS) += bcm47xxpart.o
diff --git a/target/linux/generic/patches-3.13/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch b/target/linux/generic/patches-3.13/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch
new file mode 100644
index 0000000..cc9a971
--- /dev/null
+++ b/target/linux/generic/patches-3.13/409-mtd-hook-mtdsplit_lzma-into-Kbuild.patch
@@ -0,0 +1,23 @@
+--- a/drivers/mtd/Kconfig
++++ b/drivers/mtd/Kconfig
+@@ -58,6 +58,10 @@ config MTD_SPLIT_UIMAGE_FW
+ bool "uImage based firmware partition parser"
+ select MTD_SPLIT
+
++config MTD_SPLIT_LZMA_FW
++ bool "LZMA compressed kernel based firmware partition parser"
++ select MTD_SPLIT
++
+ config MTD_SPLIT
+ def_bool n
+ help
+--- a/drivers/mtd/Makefile
++++ b/drivers/mtd/Makefile
+@@ -10,6 +10,7 @@ mtd-$(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 47c2fd0..fc352d2 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