openadk/mk/image.mk

# This file is part of the OpenADK project. OpenADK is copyrighted
# material, please see the LICENCE file in the top-level directory.

imageprepare: image-prepare-post extra-install

# if an extra directory exist in TOPDIR, copy all content over the 
# root directory, do the same if make extra=/dir/to/extra is used
extra-install:
	@if [ -d $(TOPDIR)/extra ];then $(CP) $(TOPDIR)/extra/* ${TARGET_DIR};fi
	@if [ ! -z $(extra) ];then $(CP) $(extra)/* ${TARGET_DIR};fi

image-prepare-post:
	rng=/dev/arandom; test -e $$rng || rng=/dev/urandom; \
	    dd if=$$rng bs=512 count=1 >>${TARGET_DIR}/etc/.rnd 2>/dev/null; \
	    chmod 600 ${TARGET_DIR}/etc/.rnd
	chmod 4511 ${TARGET_DIR}/bin/busybox
	chmod 1777 ${TARGET_DIR}/tmp
	@if [ -d ${TARGET_DIR}/usr/share/fonts/X11 ];then \
		for i in $$(ls ${TARGET_DIR}/usr/share/fonts/X11/);do \
			mkfontdir ${TARGET_DIR}/usr/share/fonts/X11/$${i}; \
		done; \
	fi

KERNEL_PKGDIR:=$(LINUX_BUILD_DIR)/kernel-pkg
KERNEL_PKG:=$(PACKAGE_DIR)/kernel_$(KERNEL_VERSION)_$(CPU_ARCH).$(PKG_SUFFIX)

kernel-package: $(LINUX_DIR)/vmlinux
	$(TRACE) target/$(ADK_TARGET)-create-kernel-package
	rm -rf $(KERNEL_PKGDIR)
	@mkdir -p $(KERNEL_PKGDIR)/boot
	cp $(KERNEL) $(KERNEL_PKGDIR)/boot/vmlinuz-adk
	@${BASH} ${SCRIPT_DIR}/make-ipkg-dir.sh ${KERNEL_PKGDIR} \
	    ../linux/kernel.control ${KERNEL_VERSION} ${CPU_ARCH}
	$(PKG_BUILD) $(KERNEL_PKGDIR) $(PACKAGE_DIR) $(MAKE_TRACE)
	$(TRACE) target/$(ADK_TARGET)-install-kernel-package
	$(PKG_INSTALL) $(KERNEL_PKG) $(MAKE_TRACE)

ifeq ($(ADK_HW),)
INITRAMFS=		${ADK_TARGET}-${ADK_LIBC}-${FS}
ROOTFSSQUASHFS=		${ADK_TARGET}-${ADK_LIBC}-${FS}.img
ROOTFSTARBALL=		${ADK_TARGET}-${ADK_LIBC}-${FS}+kernel.tar.gz
ROOTFSUSERTARBALL=	${ADK_TARGET}-${ADK_LIBC}-${FS}.tar.gz
INITRAMFS_PIGGYBACK=	${ADK_TARGET}-${ADK_LIBC}-${FS}.cpio
else
INITRAMFS=		${ADK_HW}-${ADK_TARGET}-${ADK_LIBC}-${FS}
ROOTFSSQUASHFS=		${ADK_HW}-${ADK_TARGET}-${ADK_LIBC}-${FS}.img
ROOTFSTARBALL=		${ADK_HW}-${ADK_TARGET}-${ADK_LIBC}-${FS}+kernel.tar.gz
ROOTFSUSERTARBALL=	${ADK_HW}-${ADK_TARGET}-${ADK_LIBC}-${FS}.tar.gz
INITRAMFS_PIGGYBACK=	${ADK_HW}-${ADK_TARGET}-${ADK_LIBC}-${FS}.cpio
endif

${BIN_DIR}/${ROOTFSTARBALL}: ${TARGET_DIR} kernel-package
	cd ${TARGET_DIR}; tar -cf - --owner=0 --group=0 . | gzip -n9 >$@

${BIN_DIR}/${ROOTFSUSERTARBALL}: ${TARGET_DIR}
	cd ${TARGET_DIR}; tar --exclude ./boot -cf - --owner=0 --group=0 . \
		| gzip -n9 >$@

${BIN_DIR}/${INITRAMFS}: ${TARGET_DIR}
	cd ${TARGET_DIR}; find . | sed -n '/^\.\//s///p' | \
		sed "s#\(.*\)#:0:0::::::\1#" | sort | \
	    ${TOPDIR}/bin/tools/cpio -o -C512 -Hnewc -P | \
		${ADK_COMPRESSION_TOOL} >$@ 2>/dev/null

${BUILD_DIR}/${INITRAMFS_PIGGYBACK}: ${TARGET_DIR}
	$(SED) 's#^CONFIG_INITRAMFS_SOURCE.*#CONFIG_INITRAMFS_SOURCE="${BUILD_DIR}/${INITRAMFS_PIGGYBACK}"#' \
		$(LINUX_DIR)/.config
	cd ${TARGET_DIR}; find . | sed -n '/^\.\//s///p' | \
		sed "s#\(.*\)#:0:0::::::\1#" | sort | \
	    ${TOPDIR}/bin/tools/cpio -o -C512 -Hnewc -P >$@ 2>/dev/null

${BIN_DIR}/${ROOTFSSQUASHFS}: ${TARGET_DIR}
	${STAGING_TOOLS}/bin/mksquashfs ${TARGET_DIR} \
		${BUILD_DIR}/root.squashfs \
		-nopad -noappend -root-owned $(MAKE_TRACE)
	cat ${BIN_DIR}/${ADK_TARGET}-${FS}-kernel \
		${BUILD_DIR}/root.squashfs > \
		${BUILD_DIR}/${ROOTFSSQUASHFS}

createinitramfs:
	@-rm $(LINUX_DIR)/usr/initramfs_data.cpio* $(MAKE_TRACE)
	echo N | \
	$(MAKE) -C $(LINUX_DIR) V=1 CROSS_COMPILE="$(TARGET_CROSS)" \
		ARCH=$(ARCH) CC="$(TARGET_CC)" oldconfig $(MAKE_TRACE) 
	$(MAKE) -C $(LINUX_DIR) V=1 CROSS_COMPILE="$(TARGET_CROSS)" \
		ARCH=$(ARCH) CC="$(TARGET_CC)" $(MAKE_TRACE)

imageclean:
	rm -f $(BIN_DIR)/$(ADK_TARGET)-* ${BUILD_DIR}/$(ADK_TARGET)-*