summaryrefslogtreecommitdiff
path: root/payloads/external/LinuxBoot/Makefile
blob: 9a9409eaa39a2e96c74fa15c9530c13ae058aa9a (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
## SPDX-License-Identifier: GPL-2.0-only

unexport $(COREBOOT_EXPORTS)

DTC ?= dtc

LINUX_ARCH-$(CONFIG_LINUXBOOT_X86_64)     = x86_64
LINUX_ARCH-$(CONFIG_LINUXBOOT_X86)        = i386
LINUX_ARCH-$(CONFIG_LINUXBOOT_ARM64)      = arm64
LINUX_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV32) = riscv
LINUX_ARCH-$(CONFIG_LINUXBOOT_RISCV_RV64) = riscv

build/Image: $(CONFIG_LINUXBOOT_KERNEL_PATH)
	ln -s -r $< $@


include targets/linux.mk
ifeq ($(CONFIG_LINUXBOOT_UROOT),y)
include targets/u-root.mk
endif

build/initramfs: $(CONFIG_LINUXBOOT_INITRAMFS_PATH)
ifeq ($(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ),y)
	xz --keep --force --check=crc32 --lzma2=dict=1MiB $(CONFIG_LINUXBOOT_INITRAMFS_PATH)
endif
	cp $(CONFIG_LINUXBOOT_INITRAMFS_PATH)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) $@

ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y)

build/bzImage: $(kernel_dir)/arch/x86/boot/bzImage | build
	cp $< $@

else ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y)

build/target.dtb: $(CONFIG_LINUXBOOT_DTS_FILE)
	$(DTC) -o $@ $<

build/uImage: build/vmlinux.bin.lzma build/initramfs build/target.dtb $(LINUX_ARCH-y)/kernel_fdt_lzma.its | build
	mkimage -f $(LINUX_ARCH-y)/kernel_fdt_lzma.its $@

endif # CONFIG_LINUXBOOT_KERNEL_BZIMAGE

build:
	mkdir build

clean:
	rm -rf build/kernel*
	rm -f  build/u-root
	rm -f  build/initramfs*
	rm -f  build/bzImage

distclean:
	rm -rf build

.PHONY: linuxboot clean distclean