mirror of
https://github.com/linuxboot/linuxboot
synced 2024-11-22 17:01:28 +00:00
91 lines
3.4 KiB
Makefile
91 lines
3.4 KiB
Makefile
# This is the makefile for a netbootable image. It has cpud build in.
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# see README.md in this directory for more information.
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# Status: you can netboot the netbootkernel, which is currently 5.17
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# You need to be careful to use the correct dtb, see note.
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# I have included the dtb in this repo for safety
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default: netbootkernel
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echo Be sure to use fsl-lx2160a-cex7.dtb, NOT fsl-lx2160a-honeycomb.dtb
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echo the latter causes a trap on boot. ARM is so great
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u-root:
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GO111MODULE=off 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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usefultargets:
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echo fetch, uroot, netbootkernel
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# the kexectestimage has standard u-root commands, kexec-tools version of kexec, and two
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# test kernels, a 5.10 and a 5.4
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kexectestimage-5.10: kexecconfig-5.10 kexecinitramfs.cpio
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cp $< linux-5.10/.config
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(cd linux-5.10 && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make oldconfig && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make -j32)
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cp linux-5.10/arch/arm64/boot/Image $@
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cp linux/arch/arm64/boot/dts/freescale/fsl-lx2160a-cex7.dtb fsl-lx2160a-cex7.dtb
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kexectestimage-5.4: kexecconfig-5.4 kexecinitramfs.cpio
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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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cp linux/arch/arm64/boot/Image $@
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kernel-5.4: config-5.4.47 flashinitramfs.cpio
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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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cp linux/arch/arm64/boot/Image $@
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kexecinitramfs.cpio: u-root Makefile kernel-5.4 kernel-5.10
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GO111MODULE=off GOARCH=arm64 u-root -o $@ -build=bb \
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-files ~/.ssh/cpu_rsa.pub:key.pub \
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-files kernel-5.4 -files kernel-5.10 \
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github.com/u-root/cpu/cmds/cpud \
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github.com/u-root/u-root/cmds/boot/pxeboot \
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core \
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flashinitramfs.cpio: Makefile
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GO111MODULE=off GOARCH=arm64 u-root -o $@ -build=bb \
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-files ~/.ssh/cpu_rsa.pub:key.pub \
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github.com/u-root/cpu/cmds/cpud \
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github.com/u-root/u-root/cmds/boot/pxeboot \
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core \
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netbootkernel: kernel-5.17
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cp $< $@
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kernel-5.4.47: config-5.4.47 flashinitramfs.cpio
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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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cp linux/arch/arm64/boot/Image $@
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kernel-5.10: config-5.10 flashinitramfs.cpio
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cp $< linux/.config
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(cd linux-5.10 && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make oldconfig && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make -j32)
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cp linux-5.10/arch/arm64/boot/Image $@
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kernel-5.17: config-5.17 flashinitramfs.cpio
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cp config-5.17 linux-5.17/.config
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(cd linux-5.17 && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make oldconfig && CROSS_COMPILE=aarch64-linux-gnu- ARCH=arm64 make -j32)
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cp linux-5.17/arch/arm64/boot/Image $@
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# These stanzas fetch code.
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fetch: getkernel geturoot apt
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getkernel:
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rm -rf linux
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git clone --depth=1 -b solidrun-honeycomb --single-branch https://github.com/linuxboot/linux
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getkernel-5.10:
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rm -rf linux-5.10
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git clone --depth=1 -b v5.10 --single-branch https://github.com/torvalds/linux linux-5.10
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getkernel-5.17:
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rm -rf linux-5.17
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git clone --depth=1 -b v5.17 --single-branch https://github.com/torvalds/linux linux-5.17
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geturoot:
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GO111MODULE=off go get -u github.com/u-root/u-root
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GO111MODULE=off go get -u github.com/u-root/cpu/...
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apt:
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sudo apt install gcc-aarch64-linux-gnu
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