blob: 248d5551029d5e78823f8c93835685946e46675c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
obj-y := initramfs_data.o
hostprogs-y := gen_init_cpio
clean-files := initramfs_data.cpio.gz initramfs_list
# initramfs_data.o contains the initramfs_data.cpio.gz image.
# The image is included using .incbin, a dependency which is not
# tracked automatically.
$(obj)/initramfs_data.o: $(obj)/initramfs_data.cpio.gz FORCE
ifdef CONFIG_INITRAMFS_ROOT_UID
gen_initramfs_args += -u $(CONFIG_INITRAMFS_ROOT_UID)
endif
ifdef CONFIG_INITRAMFS_ROOT_GID
gen_initramfs_args += -g $(CONFIG_INITRAMFS_ROOT_GID)
endif
# The $(shell echo $(CONFIG_INITRAMFS_SOURCE)) is to remove the
# gratuitous begin and end quotes from the Kconfig string type.
# Internal, escaped quotes in the Kconfig string will loose the
# escape and become active quotes.
quotefixed_initramfs_source := $(shell echo $(CONFIG_INITRAMFS_SOURCE))
filechk_initramfs_list = $(CONFIG_SHELL) \
$(srctree)/scripts/gen_initramfs_list.sh $(gen_initramfs_args) $(quotefixed_initramfs_source)
$(obj)/initramfs_list: FORCE
$(call filechk,initramfs_list)
quiet_cmd_cpio = CPIO $@
cmd_cpio = ./$< $(obj)/initramfs_list > $@
# Check if the INITRAMFS_SOURCE is a cpio archive
ifneq (,$(findstring .cpio,$(quotefixed_initramfs_source)))
# INITRAMFS_SOURCE has a cpio archive - verify that it's a single file
ifneq (1,$(words $(quotefixed_initramfs_source)))
$(error Only a single file may be specified in CONFIG_INITRAMFS_SOURCE (="$(quotefixed_initramfs_source)") when a cpio archive is directly specified.)
endif
# Now use the cpio archive directly
initramfs_data_cpio = $(quotefixed_initramfs_source)
targets += $(quotefixed_initramfs_source)
else
# INITRAMFS_SOURCE is not a cpio archive - create one
$(obj)/initramfs_data.cpio: $(obj)/gen_init_cpio \
$(initramfs-y) $(obj)/initramfs_list FORCE
$(call if_changed,cpio)
targets += initramfs_data.cpio
initramfs_data_cpio = $(obj)/initramfs_data.cpio
endif
$(obj)/initramfs_data.cpio.gz: $(initramfs_data_cpio) FORCE
$(call if_changed,gzip)
targets += initramfs_data.cpio.gz
|
