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85 lines
2.7 KiB
Makefile
85 lines
2.7 KiB
Makefile
################################################################################
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#
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# Build the ext2 root filesystem image
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#
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################################################################################
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ifeq ($(BR2_TARGET_ROOTFS_IMG_WITH_PARTITION),y)
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EXT2_SIZE = $(shell expr $(BR2_TARGET_ROOTFS_IMG_WITH_PARTITION_SIZE) - 1)M
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else
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EXT2_SIZE = $(call qstrip,$(BR2_TARGET_ROOTFS_EXT2_SIZE))
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endif
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ifeq ($(BR2_TARGET_ROOTFS_EXT2)-$(EXT2_SIZE),y-)
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$(error BR2_TARGET_ROOTFS_EXT2_SIZE cannot be empty)
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endif
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EXT2_MKFS_OPTS = $(call qstrip,$(BR2_TARGET_ROOTFS_EXT2_MKFS_OPTIONS))
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# qstrip results in stripping consecutive spaces into a single one. So the
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# variable is not qstrip-ed to preserve the integrity of the string value.
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EXT2_LABEL = $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL))
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#" Syntax highlighting... :-/ )
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EXT2_OPTS = \
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-d $(TARGET_DIR) \
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-r $(BR2_TARGET_ROOTFS_EXT2_REV) \
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-N $(BR2_TARGET_ROOTFS_EXT2_INODES) \
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-m $(BR2_TARGET_ROOTFS_EXT2_RESBLKS) \
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-L "$(EXT2_LABEL)" \
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$(EXT2_MKFS_OPTS)
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ROOTFS_EXT2_DEPENDENCIES = host-e2fsprogs
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ifeq ($(BR2_TARGET_ROOTFS_IMG_WITH_PARTITION),y)
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define ROOTFS_PARTITION_TABLE_CMD
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dd if=/dev/zero of=$(BINARIES_DIR)/table.img bs=1M count=$(BR2_TARGET_ROOTFS_IMG_WITH_PARTITION_SIZE)
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echo "o" > $(BINARIES_DIR)/fdisk.txt
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echo "n" >> $(BINARIES_DIR)/fdisk.txt
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echo "p" >> $(BINARIES_DIR)/fdisk.txt
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echo "1" >> $(BINARIES_DIR)/fdisk.txt
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echo "" >> $(BINARIES_DIR)/fdisk.txt
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echo "" >> $(BINARIES_DIR)/fdisk.txt
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echo "w" >> $(BINARIES_DIR)/fdisk.txt
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$(HOST_DIR)/sbin/fdisk $(BINARIES_DIR)/table.img < $(BINARIES_DIR)/fdisk.txt
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dd if=$(BINARIES_DIR)/table.img of=$(BINARIES_DIR)/table-1.img bs=1M count=1
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mv $(BINARIES_DIR)/table-1.img $(BINARIES_DIR)/table.img
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cat $(BINARIES_DIR)/table.img $(BINARIES_DIR)/rootfs.ext2 > $(BINARIES_DIR)/rootfs.ext2.new
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mv $(BINARIES_DIR)/rootfs.ext2.new $(BINARIES_DIR)/rootfs.ext2
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rm -rf $(BINARIES_DIR)/table.img
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rm -rf $(BINARIES_DIR)/fdisk.txt
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endef
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else
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define ROOTFS_PARTITION_TABLE_CMD
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echo ""
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endef
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endif
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define ROOTFS_EXT2_CMD
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rm -f $@
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$(HOST_DIR)/sbin/mkfs.ext$(BR2_TARGET_ROOTFS_EXT2_GEN) $(EXT2_OPTS) $@ \
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"$(EXT2_SIZE)" \
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|| { ret=$$?; \
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echo "*** Maybe you need to increase the filesystem size (BR2_TARGET_ROOTFS_EXT2_SIZE)" 1>&2; \
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exit $$ret; \
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}
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$(ROOTFS_PARTITION_TABLE_CMD)
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endef
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ifneq ($(BR2_TARGET_ROOTFS_EXT2_GEN),2)
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define ROOTFS_EXT2_SYMLINK
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ln -sf rootfs.ext2$(ROOTFS_EXT2_COMPRESS_EXT) $(BINARIES_DIR)/rootfs.ext$(BR2_TARGET_ROOTFS_EXT2_GEN)$(ROOTFS_EXT2_COMPRESS_EXT)
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endef
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ROOTFS_EXT2_POST_GEN_HOOKS += ROOTFS_EXT2_SYMLINK
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endif
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ifeq ($(BR2_TARGET_ROOTFS_IMG), y)
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define ROOTFS_IMG
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ln -sf rootfs.ext2$(ROOTFS_EXT2_COMPRESS_EXT) $(BINARIES_DIR)/rootfs.img
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endef
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ROOTFS_EXT2_POST_GEN_HOOKS += ROOTFS_IMG
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endif
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$(eval $(rootfs))
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