110 lines
3.3 KiB
Makefile
110 lines
3.3 KiB
Makefile
################################################################################
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#
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# cpio to archive target filesystem
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#
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################################################################################
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ifeq ($(BR2_ROOTFS_DEVICE_CREATION_STATIC),y)
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define ROOTFS_CPIO_ADD_INIT
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if [ ! -e $(TARGET_DIR)/init ]; then \
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ln -sf sbin/init $(TARGET_DIR)/init; \
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fi
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endef
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else
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# devtmpfs does not get automounted when initramfs is used.
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# Add a pre-init script to mount it before running init
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# We must have /dev/console very early, even before /init runs,
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# for stdin/stdout/stderr
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define ROOTFS_CPIO_ADD_INIT
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if [ ! -e $(TARGET_DIR)/init ]; then \
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$(INSTALL) -m 0755 fs/cpio/init $(TARGET_DIR)/init; \
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fi
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mkdir -p $(TARGET_DIR)/dev
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mknod -m 0622 $(TARGET_DIR)/dev/console c 5 1
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endef
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endif # BR2_ROOTFS_DEVICE_CREATION_STATIC
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ROOTFS_CPIO_PRE_GEN_HOOKS += ROOTFS_CPIO_ADD_INIT
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# --reproducible option was introduced in cpio v2.12, which may not be
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# available in some old distributions, so we build host-cpio
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ifeq ($(BR2_REPRODUCIBLE),y)
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ROOTFS_CPIO_DEPENDENCIES += host-cpio
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ROOTFS_CPIO_OPTS += --reproducible
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endif
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ifeq ($(BR2_TARGET_ROOTFS_CPIO_FULL),y)
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define ROOTFS_CPIO_CMD
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cd $(TARGET_DIR) && \
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find . \
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| LC_ALL=C sort \
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| cpio $(ROOTFS_CPIO_OPTS) --quiet -o -H newc \
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> $@
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endef
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else ifeq ($(BR2_TARGET_ROOTFS_CPIO_DRACUT),y)
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ROOTFS_CPIO_DEPENDENCIES += host-dracut
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ROOTFS_CPIO_DRACUT_MODULES = $(call qstrip,$(BR2_TARGET_ROOTFS_CPIO_DRACUT_MODULES))
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ifeq ($(BR_BUILDING),y)
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ifneq ($(words $(ROOTFS_CPIO_DRACUT_MODULES)),$(words $(sort $(notdir $(ROOTFS_CPIO_DRACUT_MODULES)))))
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$(error No two dracut modules can have the same basename, check your BR2_TARGET_ROOTFS_CPIO_DRACUT_MODULES setting)
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endif
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endif
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ROOTFS_CPIO_DRACUT_CONF_FILES = $(call qstrip,$(BR2_TARGET_ROOTFS_CPIO_DRACUT_CONF_FILES))
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ifeq ($(BR_BUILDING),y)
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ifeq ($(ROOTFS_CPIO_DRACUT_CONF_FILES),)
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$(error No dracut config file name specified, check your BR2_TARGET_ROOTFS_CPIO_DRACUT_CONF_FILES setting)
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endif
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ifneq ($(words $(ROOTFS_CPIO_DRACUT_CONF_FILES)),$(words $(sort $(notdir $(ROOTFS_CPIO_DRACUT_CONF_FILES)))))
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$(error No two dracut config files can have the same basename, check your BR2_TARGET_ROOTFS_CPIO_DRACUT_CONF_FILES setting)
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endif
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endif
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ifeq ($(BR2_LINUX_KERNEL),y)
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ROOTFS_CPIO_DEPENDENCIES += linux
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ROOTFS_CPIO_OPTS += --kver $(LINUX_VERSION_PROBED)
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else
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ROOTFS_CPIO_OPTS += --no-kernel
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endif
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define ROOTFS_CPIO_CMD
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mkdir -p $(ROOTFS_CPIO_DIR)/tmp $(ROOTFS_CPIO_DIR)/confdir $(HOST_DIR)/lib/dracut/modules.d
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touch $(ROOTFS_CPIO_DIR)/empty-config
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$(foreach cfg,$(ROOTFS_CPIO_DRACUT_CONF_FILES), \
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cp $(cfg) $(ROOTFS_CPIO_DIR)/confdir/$(notdir $(cfg))
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)
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$(foreach m,$(ROOTFS_CPIO_DRACUT_MODULES), \
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cp -a $(m)/* $(HOST_DIR)/lib/dracut/modules.d/
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)
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$(HOST_DIR)/bin/dracut \
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$(ROOTFS_CPIO_OPTS) \
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-c $(ROOTFS_CPIO_DIR)/empty-config \
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--confdir $(ROOTFS_CPIO_DIR)/confdir \
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--sysroot $(TARGET_DIR) \
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--tmpdir $(ROOTFS_CPIO_DIR)/tmp \
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-M \
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--force \
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--no-compress \
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$@
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endef
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endif #BR2_TARGET_ROOTFS_CPIO_DRACUT
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ifeq ($(BR2_TARGET_ROOTFS_CPIO_UIMAGE),y)
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ROOTFS_CPIO_DEPENDENCIES += host-uboot-tools
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define ROOTFS_CPIO_UBOOT_MKIMAGE
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$(MKIMAGE) -A $(MKIMAGE_ARCH) -T ramdisk \
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-C none -d $@$(ROOTFS_CPIO_COMPRESS_EXT) $@.uboot
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endef
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ROOTFS_CPIO_POST_GEN_HOOKS += ROOTFS_CPIO_UBOOT_MKIMAGE
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endif
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$(eval $(rootfs))
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