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|
#
# 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 ($(CONFIG_BIG_ENDIAN),y)
JFFS2OPTS := --pad --little-endian --squash
SQUASHFS_OPTS := -le
else
JFFS2OPTS := --pad --big-endian --squash
SQUASHFS_OPTS := -be
endif
ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
USE_SQUASHFS3 := y
endif
ifneq ($(USE_SQUASHFS3),)
MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
else
MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
SQUASHFS_OPTS := -comp lzma -processors 1
endif
JFFS2_BLOCKSIZE ?= 64k 128k
define add_jffs2_mark
echo -ne '\xde\xad\xc0\xde' >> $(1)
endef
# pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
define prepare_generic_squashfs
dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
$(call add_jffs2_mark,$(KDIR)/tmpfile.0)
dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
$(call add_jffs2_mark,$(KDIR)/tmpfile.1)
dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
$(call add_jffs2_mark,$(KDIR)/tmpfile.2)
dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
$(call add_jffs2_mark,$(1))
rm -f $(KDIR)/tmpfile.*
endef
ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
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)
$(call add_jffs2_mark,$(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
ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
define Image/mkfs/squashfs
@mkdir -p $(TARGET_DIR)/overlay
$(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
$(call Image/Build,squashfs)
endef
endif
ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
define Image/mkfs/tgz
$(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tgz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
endef
endif
ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
define Image/mkfs/cpiogz
( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
endef
endif
ifeq ($(CONFIG_TARGET_ROOTFS_UBIFS),y)
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
else
define Image/BuildKernel
cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
$(call Image/Build/Initramfs)
endef
endif
define Image/Checksum
( cd ${BIN_DIR} ; \
$(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs \
md5sum --binary > md5sums \
)
endef
ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
define Image/mkfs/ext2
$(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
$(call Image/Build,ext2)
endef
endif
ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
define Image/mkfs/iso
$(call Image/Build,iso)
endef
endif
define Image/mkfs/prepare/default
- $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
- $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
$(INSTALL_DIR) $(TARGET_DIR)/tmp
chmod 0777 $(TARGET_DIR)/tmp
endef
define Image/mkfs/prepare
$(call Image/mkfs/prepare/default)
endef
define BuildImage
download:
prepare:
ifneq ($(IB),1)
compile: compile-targets FORCE
$(call Build/Compile)
else
compile:
endif
ifneq ($(IB),1)
install: compile install-targets FORCE
$(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/cpiogz)
$(call Image/mkfs/ext2)
$(call Image/mkfs/iso)
$(call Image/mkfs/ubifs)
$(call Image/Checksum)
else
install: compile install-targets
$(call Image/BuildKernel)
$(call Image/mkfs/jffs2)
$(call Image/mkfs/squashfs)
$(call Image/mkfs/tgz)
$(call Image/mkfs/cpiogz)
$(call Image/mkfs/ext2)
$(call Image/mkfs/iso)
$(call Image/mkfs/ubifs)
$(call Image/Checksum)
endif
ifneq ($(IB),1)
clean: clean-targets
$(call Build/Clean)
else
clean:
endif
compile-targets:
install-targets:
clean-targets:
endef
|
