From 44ecfc26eb22ca23668a5fd0c706d75f274e410a Mon Sep 17 00:00:00 2001 From: Yousong Zhou Date: Thu, 8 Dec 2016 23:21:30 +0800 Subject: 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 --- target/linux/armvirt/README | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 target/linux/armvirt/README (limited to 'target/linux/armvirt/README') diff --git a/target/linux/armvirt/README b/target/linux/armvirt/README new file mode 100644 index 0000000000..e99038197e --- /dev/null +++ b/target/linux/armvirt/README @@ -0,0 +1,34 @@ +This is intended to be used with LEDE project to provide image for use with +QEMU arm-softmmu virt machine. + +Run with qemu-system-arm + + # boot with initramfs embedded in + qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-zImage-initramfs + + # boot with accel=kvm + qemu-system-arm -nographic -M virt,accel=kvm -cpu host -m 64 -kernel lede-armvirt-zImage-initramfs + + # boot with a separate rootfs + qemu-system-arm -nographic -M virt -m 64 -kernel lede-armvirt-zImage \ + -drive file=lede-armvirt-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-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-zImage -i lede-armvirt-rootfs.cpio --name armvirt0 + + # start with virtio-9p rootfs + lkvm run -k lede-armvirt-zImage -d root-armvirt/ + + # stop "armvirt0" + lkvm stop --name armvirt0 + + # stop all + lkvm stop --all -- cgit v1.2.3