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openwrt/target/linux/armvirt
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Florian Fainelli ba792ee219 armvirt: Enable CONFIG_ARM_PMU 
We will be prompted with this config symbol when performance monitoring is
enabled in the kernel.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2017-09-16 16:38:10 -07:00
..
32 armvirt: 64: enable usb support 2017-05-03 23:20:12 +08:00
64 armvirt: Enable CONFIG_ARM_PMU 2017-09-16 16:38:10 -07:00
base-files/etc armvirt: new target 2016-12-16 07:56:35 +01:00
image armvirt: merge arm64 as subtarget 64 2017-04-23 09:19:33 +08:00
config-4.9 kernel: cleanup CONFIG_SCHED_HRTICK 2017-06-29 04:46:59 +02:00
Makefile armvirt: merge arm64 as subtarget 64 2017-04-23 09:19:33 +08:00
README armvirt: merge arm64 as subtarget 64 2017-04-23 09:19:33 +08:00

README 

This is intended to be used with LEDE project to provide image for use with
QEMU ARM virt machine.

Run with qemu-system-arm

	# boot with initramfs embedded in
	qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-32-zImage-initramfs

	# boot with accel=kvm
	qemu-system-arm -nographic -M virt,accel=kvm -cpu host -m 64 -kernel
	lede-armvirt-32-zImage-initramfs

	# boot with a separate rootfs
	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'

	# boot with local dir as rootfs
	qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-32-zImage \
	  -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
	lkvm run -k lede-armvirt-32-zImage -i lede-armvirt-32-rootfs.cpio --name armvirt0

	# start with virtio-9p rootfs
	lkvm run -k lede-armvirt-32-zImage -d root-armvirt/

	# stop "armvirt0"
	lkvm stop --name armvirt0

	# stop all
	lkvm stop --all

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 \