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LinuxBoot: refactor u-root.mk

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Clean the u-root initramfs integration and add essential flags as options.
Now u-root automatically fetch updates and rebuilts itself to apply changes.

Change-Id: Id978ed2ebeff96c5be4f74ae07df9be76e106a1b
Signed-off-by: Marcello Sylvester Bauer <info@marcellobauer.com>
Reviewed-on: https://review.coreboot.org/c/29778
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
Marcello Sylvester Bauer
2018-11-21 17:45:43 +01:00
committed by Philipp Deppenwiese
parent 78d0256f1d
commit e102c5d54b
5 changed files with 130 additions and 72 deletions
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13
payloads/external/LinuxBoot/Makefile vendored
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@@ -17,7 +17,6 @@ project_dir=linuxboot
kernel_dir=$(project_dir)/kernel
unexport $(COREBOOT_EXPORTS)
unexport MAKEFLAGS
all: linuxboot
@@ -38,6 +37,11 @@ initramfs:
endif
endif
initramfs_compressed: initramfs
ifeq ($(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ),y)
xz --keep --force --lzma2=dict=1MiB $(top)/$(CONFIG_LINUXBOOT_INITRAMFS)
endif
ifeq ($(CONFIG_LINUXBOOT_COMPILE_KERNEL),y)
ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
kernel: initramfs
@@ -54,13 +58,14 @@ kernel:
fi
endif
linuxboot: kernel initramfs
linuxboot: kernel initramfs_compressed
clean:
if [ -d "$(kernel_dir)" ]; then rm -rf $(kernel_dir); fi
rm -f $(project_dir)/initramfs.cpio.xz
rm -f $(project_dir)/u-root
rm -f $(project_dir)/initramfs*
distclean:
rm -rf $(project_dir)
.PHONY: linuxboot kernel initramfs u-root clean distclean
.PHONY: linuxboot kernel initramfs_compressed initramfs u-root clean distclean