# # 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 include $(INCLUDE_DIR)/host.mk .NOTPARALLEL: override MAKEFLAGS= override MAKE:=$(SUBMAKE) KDIR=$(KERNEL_BUILD_DIR) IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET)) ifneq ($(CONFIG_BIG_ENDIAN),) JFFS2OPTS := --pad --big-endian --squash-uids -v else JFFS2OPTS := --pad --little-endian --squash-uids -v endif ifeq ($(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 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 '/^.+$$$$/' $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1)) $(call Image/Build,jffs2-$(1)) endef define Image/mkfs/jffs2 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ))) endef endif ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),) define Image/mkfs/squashfs @mkdir -p $(TARGET_DIR)/overlay $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) $(call Image/Build,squashfs) endef endif ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),) define Image/mkfs/ubifs $(CP) ./ubinize.cfg $(KDIR) $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR) (cd $(KDIR); \ $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg) $(call Image/Build,ubi) endef endif endif ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),) define Image/mkfs/cpiogz ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz ) endef endif ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),) define Image/mkfs/targz # Preserve permissions (-p) when building as non-root user $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ . endef endif ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),) E2SIZE=$(shell echo $$(($(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 # 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 Image/Checksum ( cd ${BIN_DIR} ; \ $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \ md5sum --binary > md5sums \ ) endef define BuildImage download: prepare: ifeq ($(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