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The introduction of EFI support has changed how armvirt images are generated. The kernel and filesystem binaries can still be used as before with QEMU directly. Signed-off-by: Mathew McBride <matt@traverse.com.au>
73 lines
2.7 KiB
Plaintext
73 lines
2.7 KiB
Plaintext
This target generates images that can be used on ARM machines with EFI
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support (e.g EDKII/TianoCore or U-Boot with bootefi).
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The kernel and filesystem images can also be used directly by QEMU:
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Run with qemu-system-arm
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# boot with initramfs embedded in
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qemu-system-arm -nographic -M virt -m 64 -kernel openwrt-armvirt-32-generic-initramfs-kernel.bin
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# boot with accel=kvm
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qemu-system-arm -nographic -M virt,accel=kvm -cpu host -m 64 -kernel
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openwrt-armvirt-32-generic-initramfs-kernel.bin
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# boot with a separate rootfs
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qemu-system-arm -nographic -M virt -m 64 -kernel openwrt-armvirt-32-generic-kernel.bin \
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-drive file=openwrt-armvirt-32-generic-ext4-rootfs.img,format=raw,if=virtio -append 'root=/dev/vda rootwait'
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# boot with local dir as rootfs
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qemu-system-arm -nographic -M virt -m 64 -kernel openwrt-armvirt-32-generic-kernel.bin \
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-fsdev local,id=rootdev,path=root-armvirt/,security_model=none \
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-device virtio-9p-pci,fsdev=rootdev,mount_tag=/dev/root \
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-append 'rootflags=trans=virtio,version=9p2000.L,cache=loose rootfstype=9p'
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Run with kvmtool
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# start a named machine
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lkvm run -k openwrt-armvirt-32-zImage -i openwrt-armvirt-32-rootfs.cpio --name armvirt0
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# start with virtio-9p rootfs
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lkvm run -k openwrt-armvirt-32-zImage -d root-armvirt/
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# stop "armvirt0"
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lkvm stop --name armvirt0
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# stop all
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lkvm stop --all
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The multi-platform ARMv8 target can be used with QEMU:
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qemu-system-aarch64 -machine virt -cpu cortex-a57 -nographic \
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-kernel openwrt-armvirt-64-generic-initramfs-kernel.bin \
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With a EDKII or U-Boot binary for the QEMU ARM virtual machines, you can use these
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images in EFI mode:
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32-bit:
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gunzip -c bin/targets/armvirt/32/openwrt-armvirt-32-generic-ext4-combined.img.gz > openwrt-arm-32.img
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qemu-system-arm -nographic \
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-cpu cortex-a15 -machine virt \
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-bios QEMU_EFI_32.fd \
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-smp 1 -m 1024 \
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-device virtio-rng-pci \
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-drive file=openwrt-arm-32.img,format=raw,index=0,media=disk \
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-netdev user,id=testlan -net nic,netdev=testlan \
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-netdev user,id=testwan -net nic,netdev=testwan
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64-bit:
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gunzip -c bin/targets/armvirt/64/openwrt-armvirt-64-generic-ext4-combined.img.gz > openwrt-arm-64.img
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qemu-system-aarch64 -nographic \
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-cpu cortex-a53 -machine virt \
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-bios QEMU_EFI_64.fd \
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-smp 1 -m 1024 \
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-device virtio-rng-pci \
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-drive file=openwrt-arm-64.img,format=raw,index=0,media=disk \
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-netdev user,id=testlan -net nic,netdev=testlan \
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-netdev user,id=testwan -net nic,netdev=testwan
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One can find EFI/BIOS binaries from:
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- Compile mainline U-Boot for the QEMU ARM virtual machine (qemu_arm_defconfig/qemu_arm64_defconfig)
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- From distribution packages (such as qemu-efi-arm and qemu-efi-aarch64 in Debian)
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- Community builds, like retrage/edk2-nightly: https://retrage.github.io/edk2-nightly/
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