Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/usr/Makefile
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
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SearchContext: - none - 3 - 10
1 # 2 # kbuild file for usr/ - including initramfs image 3 # 4 5 klibcdirs:; 6 PHONY += klibcdirs 7 8 9 # Gzip 10 suffix_$(CONFIG_INITRAMFS_COMPRESSION_GZIP) = .gz 11 12 # Bzip2 13 suffix_$(CONFIG_INITRAMFS_COMPRESSION_BZIP2) = .bz2 14 15 # Lzma 16 suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZMA) = .lzma 17 18 # XZ 19 suffix_$(CONFIG_INITRAMFS_COMPRESSION_XZ) = .xz 20 21 # Lzo 22 suffix_$(CONFIG_INITRAMFS_COMPRESSION_LZO) = .lzo 23 24 AFLAGS_initramfs_data.o += -DINITRAMFS_IMAGE="usr/initramfs_data.cpio$(suffix_y)" 25 26 # Generate builtin.o based on initramfs_data.o 27 obj-$(CONFIG_BLK_DEV_INITRD) := initramfs_data.o 28 29 # initramfs_data.o contains the compressed initramfs_data.cpio image. 30 # The image is included using .incbin, a dependency which is not 31 # tracked automatically. 32 $(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio$(suffix_y) FORCE 33 34 ##### 35 # Generate the initramfs cpio archive 36 37 hostprogs-y := gen_init_cpio 38 initramfs := $(CONFIG_SHELL) $(srctree)/scripts/gen_initramfs_list.sh 39 ramfs-input := $(if $(filter-out "",$(CONFIG_INITRAMFS_SOURCE)), \ 40 $(shell echo $(CONFIG_INITRAMFS_SOURCE)),-d) 41 ramfs-args := \ 42 $(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \ 43 $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) 44 45 # .initramfs_data.cpio.d is used to identify all files included 46 # in initramfs and to detect if any files are added/removed. 47 # Removed files are identified by directory timestamp being updated 48 # The dependency list is generated by gen_initramfs.sh -l 49 ifneq ($(wildcard $(obj)/.initramfs_data.cpio.d),) 50 include $(obj)/.initramfs_data.cpio.d 51 endif 52 53 quiet_cmd_initfs = GEN $@ 54 cmd_initfs = $(initramfs) -o $@ $(ramfs-args) $(ramfs-input) 55 56 targets := initramfs_data.cpio.gz initramfs_data.cpio.bz2 initramfs_data.cpio.lzma initramfs_data.cpio.xz initramfs_data.cpio.lzo initramfs_data.cpio 57 # do not try to update files included in initramfs 58 $(deps_initramfs): ; 59 60 $(deps_initramfs): klibcdirs 61 # We rebuild initramfs_data.cpio if: 62 # 1) Any included file is newer then initramfs_data.cpio 63 # 2) There are changes in which files are included (added or deleted) 64 # 3) If gen_init_cpio are newer than initramfs_data.cpio 65 # 4) arguments to gen_initramfs.sh changes 66 $(obj)/initramfs_data.cpio$(suffix_y): $(obj)/gen_init_cpio $(deps_initramfs) klibcdirs 67 $(Q)$(initramfs) -l $(ramfs-input) > $(obj)/.initramfs_data.cpio.d 68 $(call if_changed,initfs) 69
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