blob: 5840e8e211436fd356d4be344f953ffa91179f46 (
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
66
67
68
69
70
71
72
73
74
75
|
## This file is part of the coreboot project.
##
## Copyright (C) 2017 Facebook Inc.
## Copyright (C) 2018 9elements Cyber Security
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
project_dir=linuxboot
kernel_dir=$(project_dir)/kernel
unexport $(COREBOOT_EXPORTS)
all: linuxboot
u-root:
$(MAKE) -f targets/u-root.mk
ifeq ($(CONFIG_LINUXBOOT_BUILD_INITRAMFS),y)
ifeq ($(CONFIG_LINUXBOOT_UROOT),y)
initramfs: u-root
endif
else
ifneq ($(CONFIG_LINUXBOOT_INITRAMFS),)
initramfs:
if [[ ! -f "$(top)/$(CONFIG_LINUXBOOT_INITRAMFS)" ]]; then \
echo "<< Linux initramfs '$(CONFIG_LINUXBOOT_INITRAMFS)' is missing. >>"; \
exit 1; \
fi
endif
endif
initramfs_compressed: initramfs
ifeq ($(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ),y)
xz --keep --force --check=crc32 --lzma2=dict=1MiB $(top)/$(CONFIG_LINUXBOOT_INITRAMFS)
endif
ifeq ($(CONFIG_LINUXBOOT_COMPILE_KERNEL),y)
ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
kernel: initramfs
if [[ ! -f "$(top)/$(CONFIG_LINUXBOOT_DTB_FILE)" ]]; then \
echo "<< Linux kernel devicetree is missing. >>"; \
exit 1; \
fi
$(MAKE) -f targets/linux.mk
else
kernel:
$(MAKE) -f targets/linux.mk
endif
else
kernel:
if [[ ! -f "$(top)/$(CONFIG_LINUXBOOT_KERNEL)" ]]; then \
echo "<< Linux kernel '$(CONFIG_LINUXBOOT_KERNEL)' is missing. >>"; \
exit 1; \
fi
endif
linuxboot: kernel initramfs_compressed
clean:
if [ -d "$(kernel_dir)" ]; then rm -rf $(kernel_dir); fi
rm -f $(project_dir)/u-root
rm -f $(project_dir)/initramfs*
distclean:
rm -rf $(project_dir)
.PHONY: linuxboot kernel initramfs_compressed initramfs u-root clean distclean
|
