From 68ca8e7818356c0dbf2e0400b177139a656791c0 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 2 Mar 2007 01:23:36 +0000 Subject: make squashfs overlay support more generic and integrate it for x86-2.6 SVN-Revision: 6450 --- .../generic-2.6/patches/065-block2mtd_init.patch | 112 +++++++++++++++++++++ target/linux/x86-2.6/Makefile | 2 +- target/linux/x86-2.6/config/default | 2 +- target/linux/x86-2.6/image/Makefile | 16 ++- 4 files changed, 127 insertions(+), 5 deletions(-) create mode 100644 target/linux/generic-2.6/patches/065-block2mtd_init.patch (limited to 'target/linux') diff --git a/target/linux/generic-2.6/patches/065-block2mtd_init.patch b/target/linux/generic-2.6/patches/065-block2mtd_init.patch new file mode 100644 index 0000000000..ef483bedd1 --- /dev/null +++ b/target/linux/generic-2.6/patches/065-block2mtd_init.patch @@ -0,0 +1,112 @@ +--- linux.old/drivers/mtd/devices/block2mtd.c 2007-03-02 01:00:13.866987272 +0100 ++++ linux.dev/drivers/mtd/devices/block2mtd.c 2007-03-02 02:03:45.558522080 +0100 +@@ -16,6 +16,7 @@ + #include + #include + #include ++#include + #include + #include + #include +@@ -287,10 +288,11 @@ + + + /* FIXME: ensure that mtd->size % erase_size == 0 */ +-static struct block2mtd_dev *add_device(char *devname, int erase_size) ++static struct block2mtd_dev *add_device(char *devname, int erase_size, char *mtdname) + { + struct block_device *bdev; + struct block2mtd_dev *dev; ++ struct mtd_partition *part; + + if (!devname) + return NULL; +@@ -330,14 +332,18 @@ + + /* Setup the MTD structure */ + /* make the name contain the block device in */ +- dev->mtd.name = kmalloc(sizeof("block2mtd: ") + strlen(devname), +- GFP_KERNEL); ++ ++ if (!mtdname) ++ mtdname = devname; ++ ++ dev->mtd.name = kmalloc(strlen(mtdname), GFP_KERNEL); ++ + if (!dev->mtd.name) + goto devinit_err; ++ ++ strcpy(dev->mtd.name, mtdname); + +- sprintf(dev->mtd.name, "block2mtd: %s", devname); +- +- dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK; ++ dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK & ~(erase_size - 1); + dev->mtd.erasesize = erase_size; + dev->mtd.writesize = 1; + dev->mtd.type = MTD_RAM; +@@ -349,15 +355,18 @@ + dev->mtd.read = block2mtd_read; + dev->mtd.priv = dev; + dev->mtd.owner = THIS_MODULE; +- +- if (add_mtd_device(&dev->mtd)) { ++ ++ part = kzalloc(sizeof(struct mtd_partition), GFP_KERNEL); ++ part->name = dev->mtd.name; ++ part->offset = 0; ++ part->size = dev->mtd.size; ++ if (add_mtd_partitions(&dev->mtd, part, 1)) { + /* Device didnt get added, so free the entry */ + goto devinit_err; + } + list_add(&dev->list, &blkmtd_device_list); + INFO("mtd%d: [%s] erase_size = %dKiB [%d]", dev->mtd.index, +- dev->mtd.name + strlen("blkmtd: "), +- dev->mtd.erasesize >> 10, dev->mtd.erasesize); ++ mtdname, dev->mtd.erasesize >> 10, dev->mtd.erasesize); + return dev; + + devinit_err: +@@ -430,9 +439,9 @@ + + static int block2mtd_setup2(const char *val) + { +- char buf[80 + 12]; /* 80 for device, 12 for erase size */ ++ char buf[80 + 12 + 80]; /* 80 for device, 12 for erase size, 80 for name */ + char *str = buf; +- char *token[2]; ++ char *token[3]; + char *name; + size_t erase_size = PAGE_SIZE; + int i, ret; +@@ -443,7 +452,7 @@ + strcpy(str, val); + kill_final_newline(str); + +- for (i = 0; i < 2; i++) ++ for (i = 0; i < 3; i++) + token[i] = strsep(&str, ","); + + if (str) +@@ -463,8 +472,10 @@ + parse_err("illegal erase size"); + } + } ++ if (token[2] && (strlen(token[2]) + 1 > 80)) ++ parse_err("mtd device name too long"); + +- add_device(name, erase_size); ++ add_device(name, erase_size, token[2]); + + return 0; + } +@@ -498,7 +509,7 @@ + + + module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200); +-MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=[,]\""); ++MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=[,[,]]\""); + + static int __init block2mtd_init(void) + { diff --git a/target/linux/x86-2.6/Makefile b/target/linux/x86-2.6/Makefile index 88b935f7be..2b8e497c90 100644 --- a/target/linux/x86-2.6/Makefile +++ b/target/linux/x86-2.6/Makefile @@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk ARCH=i386 BOARD:=x86 BOARDNAME:=x86 -FEATURES:=jffs2 ext2 +FEATURES:=squashfs jffs2 ext2 include $(INCLUDE_DIR)/kernel-build.mk DEFAULT_PACKAGES += kmod-natsemi diff --git a/target/linux/x86-2.6/config/default b/target/linux/x86-2.6/config/default index 768947ae7f..6e2fc2fa35 100644 --- a/target/linux/x86-2.6/config/default +++ b/target/linux/x86-2.6/config/default @@ -204,7 +204,7 @@ CONFIG_M486=y # CONFIG_MGEODEGX1 is not set # CONFIG_MGEODE_LX is not set # CONFIG_MICROCODE is not set -CONFIG_MINI_FO=m +CONFIG_MINI_FO=y # CONFIG_MIXCOMWD is not set # CONFIG_MK6 is not set # CONFIG_MK7 is not set diff --git a/target/linux/x86-2.6/image/Makefile b/target/linux/x86-2.6/image/Makefile index 955a42b23c..e59446472e 100644 --- a/target/linux/x86-2.6/image/Makefile +++ b/target/linux/x86-2.6/image/Makefile @@ -22,18 +22,22 @@ ifeq ($(CONFIG_X86_GRUB_IMAGES),y) $(MAKE) -C grub clean endef + define Image/cmdline/squashfs + block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=squashfs init=/etc/preinit + endef + define Image/cmdline/jffs2-64k - block2mtd.block2mtd=$(ROOTPART),65536 root=/dev/mtdblock0 rootfstype=jffs2 + block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=jffs2 endef define Image/cmdline/jffs2-128k - block2mtd.block2mtd=$(ROOTPART),131072 root=/dev/mtdblock0 rootfstype=jffs2 + block2mtd.block2mtd=$(ROOTPART),131072,rootfs root=/dev/mtdblock0 rootfstype=jffs2 endef define Image/cmdline/ext2 root=$(ROOTPART) rootfstype=ext2 endef - + define Image/Build/grub # left here because the image builder doesnt need these $(INSTALL_DIR) $(KDIR)/root.grub/boot/grub @@ -46,6 +50,7 @@ ifeq ($(CONFIG_X86_GRUB_IMAGES),y) -e 's#@BAUDRATE@#$(CONFIG_X86_GRUB_BAUDRATE)#g' \ ./grub/menu.lst > $(KDIR)/root.grub/boot/grub/menu.lst PADDING="$(CONFIG_X86_GRUB_IMAGES_PAD)" PATH="$(STAGING_DIR)/usr/sbin:$(STAGING_DIR)/bin:$(PATH)" ./gen_image.sh $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).image $(CONFIG_X86_GRUB_KERNELPART) $(KDIR)/root.grub $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1) + $(call Image/Build/grub/$(1)) endef endif @@ -65,8 +70,13 @@ define Image/Prepare $(CP) $(LINUX_DIR)/arch/i386/boot/bzImage $(KDIR)/bzImage $(call Image/Prepare/grub) endef + +define Image/Build/squashfs + $(call prepare_generic_squashfs,$(KDIR)/root.squashfs) +endef define Image/Build + $(call Image/Build/$(1)) $(call Image/Build/grub,$(1)) $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-$(1).fs $(CP) $(KDIR)/bzImage $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinuz -- cgit v1.2.3