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88468f7e53
Original armvirt target is now subtarget 32. Other than that the built
result should remain the same as before
Besides old features already available with arm64, the new armvirt/64
subtarget will also have those features originally enabled for
armvirt/32 with commit 44ecfc2 ("armvirt: new target")
- pl011, uart
- pl031, rtc
- pl061, gpio
- pci-host-generic
- virtio_{mmio,pci,net,blk,scsi,9p,console,balloon}
- smp with NR_CPUS=4
- cpu-hotplug
- ext4
- DEBUG_BUGVERBOSE for debug purposes
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
41 lines
1.3 KiB
Plaintext
41 lines
1.3 KiB
Plaintext
This is intended to be used with LEDE project to provide image for use with
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QEMU ARM virt machine.
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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 lede-armvirt-32-zImage-initramfs
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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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lede-armvirt-32-zImage-initramfs
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# boot with a separate rootfs
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qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-32-zImage \
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-drive file=lede-armvirt-32-root.ext4,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 lede-armvirt-32-zImage \
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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 lede-armvirt-32-zImage -i lede-armvirt-32-rootfs.cpio --name armvirt0
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# start with virtio-9p rootfs
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lkvm run -k lede-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 lede-armvirt-64-Image-initramfs \
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