-#
-# Copyright (C) 2006 OpenWrt.org
+#
+# Copyright (C) 2006-2010 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
+override TARGET_BUILD=
include $(INCLUDE_DIR)/prereq.mk
include $(INCLUDE_DIR)/kernel.mk
-KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
+include $(INCLUDE_DIR)/host.mk
+
+.NOTPARALLEL:
+override MAKEFLAGS=
+override MAKE:=$(SUBMAKE)
+KDIR=$(KERNEL_BUILD_DIR)
-ifneq ($(CONFIG_BIG_ENDIAN),y)
-JFFS2OPTS := --pad --little-endian --squash
-SQUASHFS_OPTS := -le
+IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
+
+ifneq ($(CONFIG_BIG_ENDIAN),)
+ JFFS2OPTS := --pad --big-endian --squash-uids -v
else
-JFFS2OPTS := --pad --big-endian --squash
-SQUASHFS_OPTS := -be
+ JFFS2OPTS := --pad --little-endian --squash-uids -v
+endif
+
+ifeq ($(CONFIG_JFFS2_RTIME),y)
+ JFFS2OPTS += -X rtime
+endif
+ifeq ($(CONFIG_JFFS2_ZLIB),y)
+ JFFS2OPTS += -X zlib
+endif
+ifeq ($(CONFIG_JFFS2_LZMA),y)
+ JFFS2OPTS += -X lzma --compression-mode=size
+endif
+ifneq ($(CONFIG_JFFS2_RTIME),y)
+ JFFS2OPTS += -x rtime
+endif
+ifneq ($(CONFIG_JFFS2_ZLIB),y)
+ JFFS2OPTS += -x zlib
+endif
+ifneq ($(CONFIG_JFFS2_LZMA),y)
+ JFFS2OPTS += -x lzma
+endif
+
+SQUASHFS_BLOCKSIZE := 256k
+SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
+SQUASHFSCOMP := gzip
+LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
+ifeq ($(CONFIG_SQUASHFS_LZMA),y)
+ SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
+endif
+ifeq ($(CONFIG_SQUASHFS_XZ),y)
+ SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS)
endif
-ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
- ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
+JFFS2_BLOCKSIZE ?= 64k 128k
+
+define add_jffs2_mark
+ echo -ne '\xde\xad\xc0\xde' >> $(1)
+endef
+
+# pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
+define prepare_generic_squashfs
+ $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
+endef
+
+
+ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
+
+ define Image/BuildKernel
+ cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
+ $(call Image/Build/Initramfs)
+ endef
+
+else
+
+ ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
+ define Image/mkfs/jffs2/sub
+ # FIXME: removing this line will cause strange behaviour in the foreach loop below
+ $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
+ $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
+ $(call Image/Build,jffs2-$(1))
+ endef
define Image/mkfs/jffs2
- rm -rf $(BUILD_DIR)/root/jffs
-
- $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x10000 -o $(KDIR)/root.jffs2-64k -d $(BUILD_DIR)/root
- $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x20000 -o $(KDIR)/root.jffs2-128k -d $(BUILD_DIR)/root
-
- # add End-of-Filesystem markers
- echo -ne '\xde\xad\xc0\xde' >> $(KDIR)/root.jffs2-64k
- echo -ne '\xde\xad\xc0\xde' >> $(KDIR)/root.jffs2-128k
-
- $(call Image/Build,jffs2-64k)
- $(call Image/Build,jffs2-128k)
+ $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
endef
endif
-
- ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
+
+ ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
define Image/mkfs/squashfs
- @mkdir -p $(BUILD_DIR)/root/jffs
- $(STAGING_DIR)/bin/mksquashfs-lzma $(BUILD_DIR)/root $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
+ @mkdir -p $(TARGET_DIR)/overlay
+ $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
$(call Image/Build,squashfs)
endef
endif
-
- ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
- define Image/mkfs/tgz
- tar -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
+
+ ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
+ define Image/mkfs/ubifs
+ $(CP) ./ubinize.cfg $(KDIR)
+ $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
+ (cd $(KDIR); \
+ $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
+ $(call Image/Build,ubi)
endef
endif
-
-
+
endif
+ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
+ define Image/mkfs/cpiogz
+ ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+ $(call Image/Build,cpiogz)
+ endef
+endif
-ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
- E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
-
- define Image/mkfs/ext2
- $(STAGING_DIR)/bin/genext2fs -q -b $(E2SIZE) -I 1500 -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
- $(call Image/Build,ext2)
+ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
+ define Image/mkfs/targz
+ # Preserve permissions (-p) when building as non-root user
+ $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
+ $(call Image/Build,targz)
+ endef
+endif
+
+ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
+ E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
+
+ define Image/mkfs/ext4
+# generate an ext2 fs
+ $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_ROOTFS_RESERVED_PCT)
+# convert it to ext4
+ $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
+# fix it up
+ $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
+ $(call Image/Build,ext4)
+ endef
+endif
+
+ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
+ define Image/mkfs/iso
+ $(call Image/Build,iso)
endef
endif
define Image/mkfs/prepare/default
- find $(BUILD_DIR)/root -type f -not -perm +0100 -not -name 'ssh_host*' | xargs chmod 0644
- find $(BUILD_DIR)/root -type f -perm +0100 | xargs chmod 0755
- find $(BUILD_DIR)/root -type d | xargs chmod 0755
- mkdir -p $(BUILD_DIR)/root/tmp
- chmod 0777 $(BUILD_DIR)/root/tmp
+ # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
+ - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
+ - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
+ - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
+ $(INSTALL_DIR) $(TARGET_DIR)/tmp
+ chmod 1777 $(TARGET_DIR)/tmp
endef
define Image/mkfs/prepare
$(call Image/mkfs/prepare/default)
endef
-define BuildImage
-compile:
- $(call Build/Compile)
-
-install:
- $(call Image/Prepare)
- $(call Image/mkfs/prepare)
- $(call Image/BuildKernel)
- $(call Image/mkfs/jffs2)
- $(call Image/mkfs/squashfs)
- $(call Image/mkfs/tgz)
- $(call Image/mkfs/ext2)
-
-clean:
- $(call Build/Clean)
+
+define Image/Checksum
+ ( cd ${BIN_DIR} ; \
+ $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
+ md5sum --binary > md5sums \
+ )
endef
-compile-targets:
-install-targets:
-clean-targets:
-download:
-prepare:
-compile: compile-targets
-install: compile install-targets
-clean: clean-targets
+define BuildImage
+
+ download:
+ prepare:
+
+ ifeq ($(IB),)
+ compile: compile-targets FORCE
+ $(call Build/Compile)
+ else
+ compile:
+ endif
+
+ ifeq ($(IB),)
+ install: compile install-targets FORCE
+ $(call Image/Prepare)
+ $(call Image/mkfs/prepare)
+ $(call Image/BuildKernel)
+ $(call Image/mkfs/cpiogz)
+ $(call Image/mkfs/targz)
+ $(call Image/mkfs/ext4)
+ $(call Image/mkfs/iso)
+ $(call Image/mkfs/jffs2)
+ $(call Image/mkfs/squashfs)
+ $(call Image/mkfs/ubifs)
+ $(call Image/Checksum)
+ else
+ install: compile install-targets
+ $(call Image/BuildKernel)
+ $(call Image/mkfs/cpiogz)
+ $(call Image/mkfs/targz)
+ $(call Image/mkfs/ext4)
+ $(call Image/mkfs/iso)
+ $(call Image/mkfs/jffs2)
+ $(call Image/mkfs/squashfs)
+ $(call Image/mkfs/ubifs)
+ $(call Image/Checksum)
+ endif
+
+ ifeq ($(IB),)
+ clean: clean-targets
+ $(call Build/Clean)
+ else
+ clean:
+ endif
+
+ compile-targets:
+ install-targets:
+ clean-targets:
+
+endef
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