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payloads/LinuxBoot: Add ARM64 support

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Add support for ARCH=ARM64 and introduce CROSS_COMPILE for all architectures.

* Always compress kernel Image using xz
* Create FIT uImage containing the kernel, initramfs and DTB
* Add ARM64 defconfig for all SoCs

Change-Id: I9a0cc248283432fb2384956ca55e687d4127398c
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/25152
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
Patrick Rudolph
2018-03-13 11:22:26 +01:00
committed by Philipp Deppenwiese
parent 4e2f95b789
commit 02c0814764
7 changed files with 547 additions and 27 deletions
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63
payloads/external/LinuxBoot/Makefile vendored
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@@ -17,9 +17,30 @@ project_dir=linuxboot
kernel_dir=$(project_dir)/kernel
unexport $(COREBOOT_EXPORTS)
unexport MAKEFLAGS
XGCCPATH?=$(PWD)/util/crossgcc/xgcc/bin
ifeq ($(CONFIG_LINUXBOOT_ARCH),386)
CROSS_COMPILE?=$(XGCCPATH)/i386-linux-
ARCH?=x86
else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
CROSS_COMPILE?=$(XGCCPATH)/x86_64-linux-
ARCH?=x86_64
else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
CROSS_COMPILE?=$(XGCCPATH)/aarch64-linux-
ARCH?=arm64
endif
OBJCOPY:=$(CROSS_COMPILE)objcopy
all: payload
toolchain:
if [[ ! -x "$(CROSS_COMPILE)gcc" ]]; then \
echo "Toolchain '$(CROSS_COMPILE)*' is missing."; \
exit 1; \
fi
$(kernel_dir)/.config:
echo " WWW Download Linux $(CONFIG_LINUXBOOT_KERNEL_VERSION)"
mkdir -p $(kernel_dir)
@@ -36,23 +57,47 @@ ifeq ($(CONFIG_LINUXBOOT_ARCH),386)
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
endif
$(project_dir)/kernel-image: config
ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),386 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
$(MAKE) -C $(kernel_dir) -j $(CPUS)
ifeq ($(CONFIG_LINUXBOOT_ARCH),386)
cp $(kernel_dir)/arch/x86/boot/bzImage $(project_dir)/kernel-image
else ifeq ($(CONFIG_LINUXBOOT_ARCH),amd64)
cp $(kernel_dir)/arch/x86/boot/bzImage $(project_dir)/kernel-image
$(MAKE) -C $(kernel_dir) olddefconfig CROSS_COMPILE=$(CROSS_COMPILE) ARCH=$(ARCH)
$(MAKE) -C $(kernel_dir) -j $(CPUS) CROSS_COMPILE=$(CROSS_COMPILE) ARCH=$(ARCH)
ifneq (,$(filter $(CONFIG_LINUXBOOT_ARCH),386 amd64))
$(project_dir)/kernel-image: $(kernel_dir)/arch/x86/boot/bzImage
cp $< $@
else ifeq ($(CONFIG_LINUXBOOT_ARCH),arm64)
$(project_dir)/vmlinux.bin: $(kernel_dir)/vmlinux
$(OBJCOPY) -O binary $< $@
$(project_dir)/target.dtb: $(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)/kernel-image: $(project_dir)/vmlinux.bin.lzma $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)/target.dtb $(project_dir)/initramfs.cpio.xz
cp $(project_dir)/../arm64/kernel_fdt_lzma.its $(project_dir)
mkimage -f $(project_dir)/kernel_fdt_lzma.its $@
endif
payload: $(project_dir)/kernel-image
ifeq ($(CONFIG_LINUXBOOT_UROOT),y)
$(project_dir)/initramfs.cpio.xz:
$(MAKE) -f targets/u-root.mk
else
$(project_dir)/initramfs.cpio.xz:
echo "Building without u-root support"
endif
payload: $(project_dir)/kernel-image $(project_dir)/initramfs.cpio.xz
clean:
if [ -d "$(kernel_dir)" ]; then make -C $(kernel_dir) clean; fi
rm -f $(project_dir)/initramfs.cpio.xz
@@ -60,4 +105,4 @@ clean:
distclean:
rm -rf $(project_dir)
.PHONY: config patch payload clean distclean clone fetch all
.PHONY: config patch payload clean distclean clone fetch all toolchain