781693f211
* Update kernel version * Add kernel directory removal during clean target * Add x86 and x86_64 default configs Change-Id: I6793bffd2c537a0e9fe7c07abbea99b28defb52e Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org> Reviewed-on: https://review.coreboot.org/27745 Reviewed-by: Ronald G. Minnich <rminnich@gmail.com> Reviewed-by: David Hendricks <david.hendricks@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
108 lines
3.5 KiB
Makefile
108 lines
3.5 KiB
Makefile
## 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 $(COREBOOT_EXPORTS)
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unexport MAKEFLAGS
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XGCCPATH?=$(PWD)/util/crossgcc/xgcc/bin
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ifeq ($(CONFIG_LINUXBOOT_ARCH),386)
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LINUXBOOT_COMPILE?=$(XGCCPATH)/i386-linux-
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ARCH?=x86
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
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LINUXBOOT_COMPILE?=$(XGCCPATH)/x86_64-linux-
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ARCH?=x86_64
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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LINUXBOOT_COMPILE?=$(XGCCPATH)/aarch64-linux-
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ARCH?=arm64
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endif
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OBJCOPY:=$(LINUXBOOT_COMPILE)objcopy
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all: payload
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toolchain:
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if [[ ! -x "$(LINUXBOOT_COMPILE)gcc" ]]; then \
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echo "Toolchain '$(LINUXBOOT_COMPILE)*' is missing."; \
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exit 1; \
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fi
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$(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 $(kernel_dir)/.config
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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cp arm64/defconfig $(kernel_dir)/.config
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endif
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ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),386 amd64))
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$(kernel_dir)/arch/x86/boot/bzImage: config toolchain
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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$(kernel_dir)/vmlinux: config toolchain
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endif
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echo " MAKE Kernel $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
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$(MAKE) -C $(kernel_dir) olddefconfig CROSS_COMPILE=$(LINUXBOOT_COMPILE) ARCH=$(ARCH)
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$(MAKE) -C $(kernel_dir) -j $(CPUS) CROSS_COMPILE=$(LINUXBOOT_COMPILE) ARCH=$(ARCH)
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ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),386 amd64))
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$(project_dir)/kernel-image: $(kernel_dir)/arch/x86/boot/bzImage
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cp $< $@
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else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
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$(project_dir)/vmlinux.bin: $(kernel_dir)/vmlinux
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$(OBJCOPY) -O binary $< $@
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$(project_dir)/target.dtb: $(CONFIG_LINUXBOOT_DTB_FILE)
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cp $< $@
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$(project_dir)/vmlinux.bin.lzma: $(project_dir)/vmlinux.bin
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xz -c -k -f --format=lzma --lzma1=dict=1MiB,lc=3,lp=0,pb=3 $< > $@
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$(project_dir)/kernel-image: $(project_dir)/vmlinux.bin.lzma $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)/target.dtb $(project_dir)/initramfs.cpio.xz
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cp $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)
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mkimage -f $(project_dir)/kernel_fdt_lzma.its $@
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endif
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ifeq ($(CONFIG_LINUXBOOT_UROOT),y)
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$(project_dir)/initramfs.cpio.xz:
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$(MAKE) -f targets/u-root.mk
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else
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$(project_dir)/initramfs.cpio.xz:
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echo "Building without u-root support"
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endif
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payload: $(project_dir)/kernel-image $(project_dir)/initramfs.cpio.xz
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clean:
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if [ -d "$(kernel_dir)" ]; then rm -rf $(kernel_dir); 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 toolchain
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