mirror of
https://github.com/linuxboot/linuxboot
synced 2024-11-22 08:09:41 +00:00
176 lines
6.0 KiB
Makefile
176 lines
6.0 KiB
Makefile
# This is the makefile for a flash image, a netbootable sshd image,
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# and a netbootable cpu image.
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#
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# sshdkernel produces a kernel with a built-in initramfs for netboot
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# It provides (and starts) an sshd, and also has flashrom.
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# Hence you can ssh to a node, flashrom -r on it, scp the
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# image back, process it, scp the new image to the node, and
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# write with flashrom.
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# e.g.
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# ssh -i ../../class_key -p 2022 board flashrom -r image.bin -p internal
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# scp -i ../../class_key -P 2022 board:/image.bin image.bin
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# make tiny.bin
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# scp -i ../../class_key -P 2022 tiny.bin board:/tiny.bin
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# ssh -i ../../class_key -p 2022 board flashrom -w tiny.bin -p internal
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#
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# The cpu image uses a cpud as its init, and you
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# can cpu to it to run commands, including flashrom -p internal
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# to flash the flash image.
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# e.g.
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# cpu board flashrom -r image.bin -p internal
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# Note this writes image image.bin to the host directoy; no scp needed
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# make tiny.bin
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# cpu board flashrom -w tiny.bin -p internal
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# cpu is way more convenient than ssh/scp if you can learn it.
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# you can also just
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# cpu board
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# and once you are in:
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# flashrom -r image.bin -p internal
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# make tiny.bin
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# flashrom -w tiny.bin -p internal
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# NOTE: those commands are running on the board, and they all work
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#
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# You can test the flash image kernel with qemu
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# make flashtest
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MARVELL_GIT?=https://github.com/MarvellEmbeddedProcessors
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TOOLCHAIN?=aarch64-linux-gnu-
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default: flash-image.bin
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u-root:
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go install github.com/u-root/u-root
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@echo Make sure $(GOPATH)/bin is in your PATH
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@echo if GOPATH is empty, then put ~/go/bin in your PATH
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todo: sshdkernel flash cpukernel
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flash-image.bin: flashkernel sd
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sd:
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(cd tfa && make \
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CROSS_COMPILE=$(TOOLCHAIN) \
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Arch=arm64 \
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SCP_BL2=../binaries-marvell/mrvl_scp_bl2_8040.img \
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BL33=../linux/arch/arm64/boot/Image.gz \
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BL33_DTB=../linux/arch/arm64/boot/dts/marvell/armada-8040-mcbin.dtb \
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USE_COHERENT_MEM=0 \
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ARM_LINUX_KERNEL_AS_BL33=1 \
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MV_DDR_PATH=../mv-ddr-marvell \
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PLAT=a80x0_mcbin \
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all fip)
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echo build result is tfa/build/a80x0_mcbin/release/flash-image.bin
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flashtest: testflashkernel
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usefultargets:
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echo fetch, uroot, kernel, apt (for crossbuild) or image.bin
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tiny.bin: flashkernel flashinitramfs.cpio.xz
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sshdkernel: sshd.cpio.xz netbootkernel.config
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cp netbootkernel.config linux/.config
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(cd linux && make oldconfig && make -j32)
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cp linux/arch/x86/boot/bzImage $@
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# at the moment, the kernel used for the cpu command and the sshdkernel
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# are the same.
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cpukernel: sshdkernel
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cp sshdkernel $@
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writerom: flash-image.bin
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@echo Use this command. It will not be run from this Makefile
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@echo dd if=flash-image.bin of=/dev/null skip=1
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flashinitramfs.cpio.xz: flashinitramfs.cpio
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xz --check=crc32 -f -k $<
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flashinitramfs.cpio: u-root Makefile
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GOARCH=arm64 u-root -o $@ -build=bb \
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-uinitcmd=/bbin/pxeboot \
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github.com/u-root/u-root/cmds/boot/pxeboot \
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github.com/u-root/u-root/cmds/core/cat \
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github.com/u-root/u-root/cmds/core/elvish \
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github.com/u-root/u-root/cmds/core/init \
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github.com/u-root/u-root/cmds/core/ip \
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github.com/u-root/u-root/cmds/core/ls \
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github.com/u-root/u-root/cmds/core/kexec \
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github.com/u-root/u-root/cmds/core/pci \
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github.com/u-root/u-root/cmds/core/wget \
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# this target builds an initramfs with only one program, the cpu server.
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# It depends on the kernel setting the IP address.
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# You need ip=dhcp OR ip=fixed.ip.address.here in the command line
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cpu.cpio.xz: u-root Makefile
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GOARCH=arm64 u-root -o cpu.cpio -build=bb -initcmd=cpud -files ~/.ssh/cpu_rsa.pub:key.pub \
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-defaultsh="" \
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github.com/u-root/cpu/cmds/cpud
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xz --check=crc32 -f -k cpu.cpio
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# this target builds an initramfs with all of u-root, AND all of /bin, /usr/bin, /sbin, /usr/sbin, /etc
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# the intent is to demonstrate the capability of http loading.
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# It depends on the kernel setting the IP address.
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# You need ip=dhcp OR ip=fixed.ip.address.here in the command line
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sshd.cpio.xz: u-root Makefile
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GOARCH=arm64 u-root -o sshd.cpio -build=bb \
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-uinitcmd=/bbin/sshd \
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-files ../../class_key.pub:authorized_keys \
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-files ../../classhostkey:id_rsa \
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-files /usr/bin/vi \
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-files /usr/share/vim \
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-files /usr/share/terminfo \
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-files /bin/bash \
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-files /usr/sbin/flashrom \
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-files /usr/bin/xz \
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all
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xz --check=crc32 -f -k sshd.cpio
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ls -l sshd.cpio.*
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flashkernel: config-5.6.3 flashinitramfs.cpio.xz
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cp $< linux/.config
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(cd linux && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make oldconfig && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make -j32)
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testflashkernel: flashkernel
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qemu-system-arm64 -kernel flashkernel -nographic -serial /dev/tty -initrd flashinitramfs.cpio.xz
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# These stanzas fetch code.
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fetch: getkernel geturoot gettfa fetchblobs
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gettfa:
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rm -rf tfa
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echo NOT THIS ONE git clone https://github.com/fozog/arm-trusted-firmware.git tfa
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git clone --branch linuxboot4mcbin https://github.com/fozog/arm-trusted-firmware.git tfa
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getkernel:
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rm -rf linux
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git clone --depth=1 -b v5.6 --single-branch https://github.com/torvalds/linux
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geturoot:
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go get -u github.com/u-root/u-root
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go get -u github.com/u-root/cpu/...
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# Serve the combined sshd-kernel and sshd-initramfs image. This includes flashrom
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sshd-pxeserver:
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echo Consider Disabling any system services ...
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echo e.g. sudo systemctl stop tftpd-hpa.service
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echo e.g. sudo systemctl stop isc-dhcp-server
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sudo `go env GOPATH`/bin/pxeserver -tftp-dir . -bootfilename sshdkernel -http-dir . -interface $(NETWORK)
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fetchblobs:
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rm -rf mv-ddr-marvell binaries-marvell
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git clone --branch mv_ddr-armada-atf-mainline $(MARVELL_GIT)/mv-ddr-marvell.git
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git clone --branch binaries-marvell-armada-17.10 $(MARVELL_GIT)/binaries-marvell
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apt:
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sudo apt install gcc-aarch64-linux-gnu
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# Serve the combined cpu-kernel and cpu-initramfs image.
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cpu-pxeserver:
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echo Consider Disabling any system services ...
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echo e.g. sudo systemctl stop tftpd-hpa.service
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echo e.g. sudo systemctl stop isc-dhcp-server
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sudo `go env GOPATH`/bin/pxeserver -tftp-dir . -bootfilename sshdkernel -http-dir . -interface $(NETWORK)
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ssh:
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ssh -i class_key -p 2022 root@up
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