cpio.mk
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################################################################################
#
# cpio to archive target filesystem
#
################################################################################
ifeq ($(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
define ROOTFS_CPIO_ADD_INIT
if [ ! -e $(TARGET_DIR)/init ]; then \
ln -sf sbin/init $(TARGET_DIR)/init; \
fi
endef
else
# devtmpfs does not get automounted when initramfs is used.
# Add a pre-init script to mount it before running init
define ROOTFS_CPIO_ADD_INIT
if [ ! -e $(TARGET_DIR)/init ]; then \
$(INSTALL) -m 0755 fs/cpio/init $(TARGET_DIR)/init; \
fi
endef
PACKAGES_PERMISSIONS_TABLE += /dev/console c 622 0 0 5 1 - - -$(sep)
endif # BR2_ROOTFS_DEVICE_CREATION_STATIC
ROOTFS_CPIO_PRE_GEN_HOOKS += ROOTFS_CPIO_ADD_INIT
define ROOTFS_CPIO_CMD
cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $@
endef
$(BINARIES_DIR)/rootfs.cpio.uboot: $(BINARIES_DIR)/rootfs.cpio host-uboot-tools
$(MKIMAGE) -A $(MKIMAGE_ARCH) -T ramdisk \
-C none -d $<$(ROOTFS_CPIO_COMPRESS_EXT) $@
ifeq ($(BR2_TARGET_ROOTFS_CPIO_UIMAGE),y)
ROOTFS_CPIO_POST_TARGETS += $(BINARIES_DIR)/rootfs.cpio.uboot
endif
$(eval $(call ROOTFS_TARGET,cpio))