LinuxBoot/targets/linux.mk: refactor kernel compilation

Refactor the linux kernel compilation.

Change-Id: Iea2e2c8a22a91bdd2e3f83cd3058426acec3eaba
Signed-off-by: Marcello Sylvester Bauer <info@marcellobauer.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30053
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 2018-12-05 08:45:26 +01:00 committed by Philipp Deppenwiese
parent 59a407349b
commit 79f92910eb
6 changed files with 185 additions and 80 deletions

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@ -41,18 +41,16 @@ config LINUXBOOT_ARM64
endchoice
config LINUXBOOT_ARCH
string
default "amd64" if LINUXBOOT_X86_64
default "i386" if LINUXBOOT_X86
default "arm64" if LINUXBOOT_ARM64
comment "Linux kernel"
config LINUXBOOT_COMPILE_KERNEL
bool "Compile kernel"
default n
if LINUXBOOT_COMPILE_KERNEL
comment "parse linux crosscompiler with: LINUXBOOT_CROSS_COMPILE"
endif
config LINUXBOOT_KERNEL_PATH
string "Path to kernel"
default "Image"
@ -61,32 +59,85 @@ config LINUXBOOT_KERNEL_PATH
if LINUXBOOT_COMPILE_KERNEL
choice
prompt "Kernel version"
prompt "Kernel release"
default LINUXBOOT_KERNEL_STABLE
help
Choose the kernel release.
Select 'custom' if your want to define the kernel version.
For more information about the current 'mainline', 'stable' or 'longterm'
version, visit: https://www.kernel.org/
config LINUXBOOT_KERNEL_MAINLINE
bool "mainline"
help
Mainline kernel version
config LINUXBOOT_KERNEL_STABLE
bool "4.14.67"
bool "stable"
help
Stable kernel version
config LINUXBOOT_KERNEL_LATEST
bool "4.18.5"
config LINUXBOOT_KERNEL_LONGTERM
bool "longterm"
help
Latest kernel version
Longterm (LTS) kernel version
config LINUXBOOT_KERNEL_CUSTOM
bool "custom"
help
Custom kernel version
endchoice
config LINUXBOOT_KERNEL_VERSION
string
default "4.18.5" if LINUXBOOT_KERNEL_LATEST
default "4.14.67" if LINUXBOOT_KERNEL_STABLE
config LINUXBOOT_KERNEL_CUSTOM_VERSION
string "kernel version"
default ""
depends on LINUXBOOT_KERNEL_CUSTOM
help
Choose the Linux kernel version number. (x.x.x)
Release candidate kernels (rc) are currently are not supported.
choice
prompt "Kernel configuration"
default LINUXBOOT_KERNEL_ARCH_DEFAULT_CONFIG
config LINUXBOOT_KERNEL_ARCH_DEFAULT_CONFIG
bool "Default architecture configuration"
help
This option will use the default configuration for the
selected architecture.
config LINUXBOOT_KERNEL_CUSTOM_CONFIG
bool "Custom (def)config file"
help
endchoice
config LINUXBOOT_KERNEL_CONFIGFILE
string "Kernel config file"
default ""
string "Config file path"
default "defconfig"
depends on LINUXBOOT_KERNEL_CUSTOM_CONFIG
help
Add your own kernel configuration file. Otherwise a default
minimal defconfig is used.
Path to the kernel configuration file.
Note: this can be a defconfig file or a complete .config file.
choice LINUXBOOT_KERNEL_FORMAT
prompt "Kernel binary format"
default LINUXBOOT_KERNEL_BZIMAGE if LINUXBOOT_X86 || LINUXBOOT_X86_64
default LINUXBOOT_KERNEL_UIMAGE if LINUXBOOT_ARM64
config LINUXBOOT_KERNEL_BZIMAGE
bool "bzImage"
depends on LINUXBOOT_X86 || LINUXBOOT_X86_64
config LINUXBOOT_KERNEL_UIMAGE
bool "uImage"
depends on LINUXBOOT_ARM64
endchoice
config LINUXBOOT_DTB_FILE
string "Compiled devicetree file"

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@ -45,6 +45,10 @@ 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:

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@ -46,7 +46,7 @@
};
ramdisk-1 {
description = "Compressed Initramfs";
data = /incbin/("u-initramfs");
data = /incbin/("initramfs");
type = "ramdisk";
arch = "arm64";
os = "linux";

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@ -13,83 +13,120 @@
## GNU General Public License for more details.
##
kernel_tarball=https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-$(CONFIG_LINUXBOOT_KERNEL_VERSION).tar.xz
project_dir=linuxboot
kernel_dir=$(project_dir)/kernel
ARCH-$(CONFIG_LINUXBOOT_X86_64)=x86_64
ARCH-$(CONFIG_LINUXBOOT_X86)=x86
ARCH-$(CONFIG_LINUXBOOT_ARM64)=arm64
XGCCPATH?=$(PWD)/util/crossgcc/xgcc/bin
ifeq ($(CONFIG_LINUXBOOT_ARCH),i386)
LINUXBOOT_COMPILE?=$(XGCCPATH)/i386-linux-
ARCH?=x86
else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
LINUXBOOT_COMPILE?=$(XGCCPATH)/x86_64-linux-
ARCH?=x86_64
else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
LINUXBOOT_COMPILE?=$(XGCCPATH)/aarch64-linux-
ARCH?=arm64
TAG-$(CONFIG_LINUXBOOT_KERNEL_MAINLINE)=mainline
TAG-$(CONFIG_LINUXBOOT_KERNEL_STABLE)=stable
TAG-$(CONFIG_LINUXBOOT_KERNEL_LONGTERM)=longterm
pwd:=$(shell pwd)
top:=../../..
project_dir=linuxboot
tarball_dir:=$(project_dir)/tarball
decompress_flag=.done
OBJCOPY:=$(LINUXBOOT_CROSS_COMPILE)objcopy
ifeq ($(CONFIG_LINUXBOOT_KERNEL_CUSTOM),y)
kernel_version:=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM_VERSION)
else
kernel_version:=$(shell curl -s -k https://www.kernel.org/feeds/kdist.xml | \
sed -n -e 's@.*<guid isPermaLink="false">\(.*\)</guid>.*@\1@p' | \
awk -F ',' '/$(TAG-y)/{ print $$3 }' | \
head -n 1)
endif
OBJCOPY:=$(LINUXBOOT_COMPILE)objcopy
kernel_dir=$(project_dir)/kernel-$(subst .,_,$(kernel_version))
kernel_tarball=linux-$(kernel_version).tar
kernel_mirror=https://mirrors.edge.kernel.org/pub/linux/kernel
ifeq ($(findstring x2.6.,x$(kernel_version)),x2.6.)
kernel_mirror_path := $(kernel_mirror)/v2.6
else ifeq ($(findstring x3.,x$(kernel_version)),x3.)
kernel_mirror_path := $(kernel_mirror)/v3.x
else ifeq ($(findstring x4.,x$(kernel_version)),x4.)
kernel_mirror_path := $(kernel_mirror)/v4.x
else ifeq ($(findstring x5.,x$(kernel_version)),x5.)
kernel_mirror_path := $(kernel_mirror)/v5.x
endif
all: kernel
toolchain:
if [[ ! -x "$(LINUXBOOT_COMPILE)gcc" ]]; then \
echo "Toolchain '$(LINUXBOOT_COMPILE)*' is missing."; \
exit 1; \
lookup:
ifeq ($(kernel_version),)
$(error kernel version lookup failed for $(TAG-y) release)
endif
@echo " WWW Kernel [$(TAG-y)] $(kernel_version)"
fetch:
ifneq ($(shell [[ -d "$(kernel_dir)" && -f "$(kernel_dir)/$(decompress_flag)" ]];echo $$?),0)
mkdir -p $(tarball_dir)
if [[ ! -f $(tarball_dir)/$(kernel_tarball).xz && ! -f $(tarball_dir)/$(kernel_tarball).xz ]]; then \
echo " WWW $(kernel_tarball).xz"; \
cd $(tarball_dir); \
curl -OLs "$(kernel_mirror_path)/$(kernel_tarball).xz"; \
cd $(pwd); \
fi
$(kernel_dir)/.config:
echo " WWW Download Linux $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
mkdir -p $(kernel_dir)
ifeq ("$(wildcard $(kernel_dir)/README)","")
curl -s $(kernel_tarball) | tar xJ -C $(kernel_dir) --strip 1
endif
config: $(kernel_dir)/.config
echo " CONFIG Linux $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
ifneq ($(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE),)
unpack: fetch
if [[ -d "$(kernel_dir)" && ! -f "$(kernel_dir)/$(decompress_flag)" ]]; then \
rm -rf $(kernel_dir); \
fi
if [[ ! -d "$(kernel_dir)" ]]; then \
mkdir $(kernel_dir); \
echo " XZ $(kernel_tarball).xz"; \
tar xJf $(tarball_dir)/$(kernel_tarball).xz --strip 1 -C $(kernel_dir); \
fi
touch $(kernel_dir)/$(decompress_flag)
$(kernel_dir)/.config: unpack
@echo " CONFIG Linux $(kernel_version)"
ifeq ($(CONFIG_LINUXBOOT_KERNEL_CUSTOM_CONFIG),y)
cp $(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE) $(kernel_dir)/.config
else ifeq ($(CONFIG_LINUXBOOT_ARCH),i386)
cp x86/defconfig $(kernel_dir)/.config
else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
cp x86_64/defconfig $(kernel_dir)/.config
else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
cp arm64/defconfig $(kernel_dir)/.config
else
cp $(ARCH-y)/defconfig $(kernel_dir)/.config
endif
$(MAKE) -C $(kernel_dir) olddefconfig ARCH=$(ARCH-y)
build: $(kernel_dir)/.config
@echo " MAKE Linux $(kernel_version)"
ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y)
$(MAKE) -C $(kernel_dir) CROSS_COMPILE=$(LINUXBOOT_CROSS_COMPILE) ARCH=$(ARCH-y) bzImage
else
ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y)
$(MAKE) -C $(kernel_dir) CROSS_COMPILE=$(LINUXBOOT_CROSS_COMPILE) ARCH=$(ARCH-y) vmlinux
endif
endif
ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),i386 amd64))
$(kernel_dir)/arch/x86/boot/bzImage: config toolchain
else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
$(kernel_dir)/vmlinux: config toolchain
endif
echo " MAKE Kernel $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
$(MAKE) -C $(kernel_dir) olddefconfig CROSS_COMPILE=$(LINUXBOOT_COMPILE) ARCH=$(ARCH)
$(MAKE) -C $(kernel_dir) -j $(CPUS) CROSS_COMPILE=$(LINUXBOOT_COMPILE) ARCH=$(ARCH)
ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),i386 amd64))
$(project_dir)/bzImage: $(kernel_dir)/arch/x86/boot/bzImage
ifeq ($(CONFIG_LINUXBOOT_KERNEL_BZIMAGE),y)
$(top)/$(CONFIG_LINUXBOOT_KERNEL): build
@echo " CP bzImage"
cp $(kernel_dir)/arch/x86/boot/bzImage $@
else
ifeq ($(CONFIG_LINUXBOOT_KERNEL_UIMAGE),y)
$(project_dir)/target.dtb: $(top)/$(CONFIG_LINUXBOOT_DTB_FILE)
cp $< $@
else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
$(project_dir)/vmlinux.bin: $(kernel_dir)/vmlinux
$(OBJCOPY) -O binary $< $@
$(project_dir)/target.dtb: $(PWD)/$(CONFIG_LINUXBOOT_DTB_FILE)
cp $< $@
$(project_dir)/vmlinux.bin.lzma: $(project_dir)/vmlinux.bin
xz -c -k -f --format=lzma --lzma1=dict=1MiB,lc=3,lp=0,pb=3 $< > $@
$(project_dir)/uImage: $(project_dir)/vmlinux.bin.lzma $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)/target.dtb
$(top)/$(CONFIG_LINUXBOOT_KERNEL): build $(project_dir)/vmlinux.bin.lzma $(project_dir)/target.dtb
cp $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)
cp $(PWD)/$(CONFIG_LINUXBOOT_INITRAMFS)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) $(project_dir)/u-initramfs
cp $(top)/$(CONFIG_LINUXBOOT_INITRAMFS)$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) $(project_dir)/initramfs
mkimage -f $(project_dir)/kernel_fdt_lzma.its $@
else
$(error Kernel image format not found)
exit 1
endif
endif
ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),i386 amd64))
kernel: $(project_dir)/bzImage
else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
kernel: $(project_dir)/uImage
ifneq ($(TAG-y),)
kernel: lookup $(top)/$(CONFIG_LINUXBOOT_KERNEL)
else
kernel: $(top)/$(CONFIG_LINUXBOOT_KERNEL)
endif
.PHONY: kernel config toolchain
.PHONY: all kernel build unpack fetch check

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@ -18,6 +18,10 @@ go_path_dir=$(project_dir)/go
uroot_bin=$(project_dir)/u-root
uroot_package=github.com/u-root/u-root
ARCH-$(CONFIG_LIBUXBOOT_X86_64)=amd64
ARCH-$(CONFIG_LINUXBOOT_X86)=i386
ARCH-$(CONFIG_LINUXBOOT_ARM64)=arm64
go_version=$(shell go version | sed -nr 's/.*go([0-9]+\.[0-9]+.?[0-9]?).*/\1/p' )
go_version_major=$(shell echo $(go_version) | sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\1/p')
go_version_minor=$(shell echo $(go_version) | sed -nr 's/^([0-9]+)\.([0-9]+)\.?([0-9]*)$$/\2/p')
@ -64,7 +68,7 @@ build: checkout
GOPATH=$(go_path_dir) go build -o $(uroot_bin) $(uroot_package)
u-root: build
GOARCH=$(CONFIG_LINUXBOOT_ARCH) GOPATH=$(go_path_dir) $(uroot_bin) \
GOARCH=$(ARCH-y) GOPATH=$(go_path_dir) $(uroot_bin) \
$(uroot_args) -o $(project_dir)/initramfs_u-root.cpio $(uroot_cmds)
.PHONY: all u-root build checkout get version

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@ -260,13 +260,22 @@ payloads/external/iPXE/ipxe/ipxe.rom ipxe: $(DOTCONFIG)
linuxboot:
$(MAKE) -C payloads/external/LinuxBoot \
CPUS=$(CPUS) \
CONFIG_LINUXBOOT_ARCH=$(CONFIG_LINUXBOOT_ARCH) \
CONFIG_LINUXBOOT_X86_64=$(CONFIG_LINUXBOOT_X86_64) \
CONFIG_LINUXBOOT_X86=$(CONFIG_LINUXBOOT_X86) \
CONFIG_LINUXBOOT_ARM64=$(CONFIG_LINUXBOOT_ARM64) \
CONFIG_LINUXBOOT_KERNEL=$(CONFIG_PAYLOAD_FILE) \
CONFIG_LINUXBOOT_INITRAMFS=$(CONFIG_LINUX_INITRD) \
CONFIG_LINUXBOOT_INITRAMFS_SUFFIX=$(CONFIG_LINUXBOOT_INITRAMFS_SUFFIX) \
CONFIG_LINUXBOOT_COMPILE_KERNEL=$(CONFIG_LINUXBOOT_COMPILE_KERNEL) \
CONFIG_LINUXBOOT_BUILD_INITRAMFS=$(CONFIG_LINUXBOOT_BUILD_INITRAMFS) \
CONFIG_LINUXBOOT_KERNEL_VERSION=$(CONFIG_LINUXBOOT_KERNEL_VERSION) \
CONFIG_LINUXBOOT_KERNEL_MAINLINE=$(CONFIG_LINUXBOOT_KERNEL_MAINLINE) \
CONFIG_LINUXBOOT_KERNEL_STABLE=$(CONFIG_LINUXBOOT_KERNEL_STABLE) \
CONFIG_LINUXBOOT_KERNEL_LONGTERM=$(CONFIG_LINUXBOOT_KERNEL_LONGTERM) \
CONFIG_LINUXBOOT_KERNEL_CUSTOM=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM) \
CONFIG_LINUXBOOT_KERNEL_CUSTOM_VERSION=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM_VERSION) \
CONFIG_LINUXBOOT_KERNEL_CUSTOM_CONFIG=$(CONFIG_LINUXBOOT_KERNEL_CUSTOM_CONFIG) \
CONFIG_LINUXBOOT_KERNEL_BZIMAGE=$(CONFIG_LINUXBOOT_KERNEL_BZIMAGE) \
CONFIG_LINUXBOOT_KERNEL_UIMAGE=$(CONFIG_LINUXBOOT_KERNEL_UIMAGE) \
CONFIG_LINUXBOOT_KERNEL_CONFIGFILE=$(CONFIG_LINUXBOOT_KERNEL_CONFIGFILE) \
CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ=$(CONFIG_LINUXBOOT_INITRAMFS_COMPRESSION_XZ) \
CONFIG_LINUXBOOT_UROOT=$(CONFIG_LINUXBOOT_UROOT) \