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#!/bin/sh -e
# if you use QEMU user mode networking, endpoint 127.0.0.1:2222 on the host will be forwarded to port 22 in the guest
SSH_PORTFORWARD=${SSH_PORTFORWARD:-2222}
virtioblk=virtio-blk-device
virtionet=virtio-net-device
case "$QEMU_ARCH" in
i386)
qemu_sysoptions="-smp 2 -m 500M"
qemu_console=ttyS0
nic=e1000
diskoption="-drive file=$OUTPUT/disk-image.raw,media=disk,format=raw,if=none,id=sata0 -device ich9-ahci,id=ahci -device ide-drive,drive=sata0,bus=ahci.0"
rootpartition=/dev/sda1 ;;
x86_64)
qemu_sysoptions="-enable-kvm -cpu host -smp 4 -m 500M"
qemu_console=ttyS0
nic=e1000
virtioblk=virtio-blk-pci
virtionet=virtio-net-pci
diskoption="-drive file=$OUTPUT/disk-image.raw,media=disk,format=raw,if=none,id=sata0 -device ich9-ahci,id=ahci -device ide-drive,drive=sata0,bus=ahci.0"
rootpartition=/dev/sda1 ;;
arm)
qemu_sysoptions="-m 500M -M vexpress-a9 -cpu cortex-a9 -dtb sub/disk-image/vexpress-v2p-ca9.dtb"
qemu_console=ttyAMA0
USE_VIRTIO_NETWORK=true # we only support virtio on armv7
diskoption="-sd $OUTPUT/disk-image.raw"
rootpartition=/dev/hda1 ;;
aarch64)
qemu_sysoptions="-M virt -cpu cortex-a57 -m 500M"
qemu_console=ttyAMA0
USE_VIRTIO_NETWORK=true # we only support virtio on armv8
diskoption="-device sdhci-pci -device sd-card,drive=sdcard -drive file=$OUTPUT/disk-image.raw,id=sdcard,cache=unsafe,if=none,format=raw"
rootpartition=/dev/hda1 ;;
esac
nographic=-nographic
# On graphical mode, enforce tty1 as the console
if $USE_GRAPHIC ; then
qemu_console=tty1
nographic=
fi
# If the image has been compiled for a virtual disk (/dev/vda)
if $USE_VIRTIO_DISK ; then
diskoption="-drive file=$OUTPUT/disk-image.raw,format=raw,if=none,id=disk -device $virtioblk,drive=disk"
rootpartition=/dev/vda1
fi
if $USE_VIRTIO_NETWORK ; then
nic=$virtionet
fi
qemu_guestnetoptions="-device $nic,netdev=network"
# running in QEMU with TAP networking (need to be root to configure the host)
# or running QEMU in user-mode networking (which is the default in QEMU), with redirection of port 2222 to 22
if $USE_TAP ; then
qemu_hostnetoptions="-netdev tap,id=network,ifname=tap0,script=no,downscript=no"
else
qemu_hostnetoptions="-netdev user,id=network,hostfwd=tcp:127.0.0.1:${SSH_PORTFORWARD}-:22"
fi
exec qemu-system-$QEMU_ARCH $nographic $qemu_sysoptions $qemu_guestnetoptions $qemu_hostnetoptions \
-append "console=$qemu_console root=$rootpartition" \
-kernel "$OUTPUT/kernel" \
$diskoption
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