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openwrt/target/linux/armvirt/README

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armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
This is intended to be used with LEDE project to provide image for use with
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
QEMU ARM virt machine.
armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
Run with qemu-system-arm
# boot with initramfs embedded in
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-32-zImage-initramfs
armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
# boot with accel=kvm
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
qemu-system-arm -nographic -M virt,accel=kvm -cpu host -m 64 -kernel
lede-armvirt-32-zImage-initramfs
armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
# boot with a separate rootfs
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-32-zImage \
-drive file=lede-armvirt-32-root.ext4,format=raw,if=virtio -append 'root=/dev/vda rootwait'
armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
# boot with local dir as rootfs
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-32-zImage \
armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
-fsdev local,id=rootdev,path=root-armvirt/,security_model=none \
-device virtio-9p-pci,fsdev=rootdev,mount_tag=/dev/root \
-append 'rootflags=trans=virtio,version=9p2000.L,cache=loose rootfstype=9p'
Run with kvmtool
# start a named machine
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
lkvm run -k lede-armvirt-32-zImage -i lede-armvirt-32-rootfs.cpio --name armvirt0
armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
# start with virtio-9p rootfs
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
lkvm run -k lede-armvirt-32-zImage -d root-armvirt/
armvirt: new target An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - 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 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2016-12-08 15:21:30 +00:00
# stop "armvirt0"
lkvm stop --name armvirt0
# stop all
lkvm stop --all
armvirt: merge arm64 as subtarget 64 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>
2017-04-18 12:59:52 +00:00
The multi-platform ARMv8 target can be used with QEMU:
qemu-system-aarch64 -machine virt -cpu cortex-a57 -nographic \
-kernel lede-armvirt-64-Image-initramfs \