64 lines
2.0 KiB
Makefile
64 lines
2.0 KiB
Makefile
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## This file is part of the coreboot project.
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##
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## Copyright (C) 2017 Facebook Inc.
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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kernel_tarball=https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-$(CONFIG_LINUXBOOT_KERNEL_VERSION).tar.xz
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project_dir=linuxboot
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kernel_dir=$(project_dir)/kernel
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unexport $(COREBOOT_EXPORTS)
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all: payload
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$(kernel_dir)/.config:
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echo " WWW Download Linux $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
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mkdir -p $(kernel_dir)
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ifeq ("$(wildcard $(kernel_dir)/README)","")
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wget -qO- $(kernel_tarball) | tar xJ -C $(kernel_dir) --strip 1
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endif
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config: $(kernel_dir)/.config
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echo " CONFIG Linux $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
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ifneq ($(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE),)
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cp $(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE) $(kernel_dir)/.config
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endif
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ifeq ($(CONFIG_LINUXBOOT_ARCH),386)
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cp x86/defconfig $(kernel_dir)/.config
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
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cp x86_64/defconfig $(kernel_dir)/.config
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endif
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$(project_dir)/kernel-image: config
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echo " MAKE Kernel $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
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$(MAKE) -C $(kernel_dir) olddefconfig
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$(MAKE) -C $(kernel_dir) -j $(CPUS)
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ifeq ($(CONFIG_LINUXBOOT_ARCH),386)
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cp $(kernel_dir)/arch/x86/boot/bzImage $(project_dir)/kernel-image
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
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cp $(kernel_dir)/arch/x86/boot/bzImage $(project_dir)/kernel-image
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endif
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payload: $(project_dir)/kernel-image
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ifeq ($(CONFIG_LINUXBOOT_UROOT),y)
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$(MAKE) -f targets/u-root.mk
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endif
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clean:
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if [ -d "$(kernel_dir)" ]; then make -C $(kernel_dir) clean; fi
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rm -f $(project_dir)/initramfs.cpio.xz
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distclean:
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rm -rf $(project_dir)
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.PHONY: config patch payload clean distclean clone fetch all
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