devtools/runOver9P.sh

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#!/bin/sh
# This file is part of Jehanne.
#
# Copyright (C) 2016-2017 Giacomo Tesio <giacomo@tesio.it>
export SDL_VIDEO_X11_DGAMOUSE=0 # see https://wiki.archlinux.org/index.php/QEMU#Mouse_cursor_is_jittery_or_erratic
if [ "$JEHANNE" = "" ]; then
echo $0 requires the shell started by ./hacking/devshell.sh
exit 1
fi
trap : 2
$JEHANNE/hacking/bin/ufs -root=$JEHANNE &
ufspid=$!
export machineflag=pc
if [ "$(uname)" = "Linux" ] && [ -e /dev/kvm ]; then
export kvmflag='-enable-kvm'
export machineflag='pc,accel=kvm'
if [ ! -w /dev/kvm ]; then
# we don't have access as a regular user
export kvmdo=sudo
fi
fi
export NVRAM=/boot/nvram
export FS="nobootprompt=tcp fs=10.0.2.2 auth=10.0.2.2"
if [ "$DISK" = "" ]; then
export DISK=$JEHANNE/hacking/sample-disk.img
fi
if [ -f $DISK ]; then
usbDev="-drive if=none,id=usbstick,file=$DISK -usb -device nec-usb-xhci,id=xhci -device usb-storage,bus=xhci.0,drive=usbstick"
usbDev="-readconfig /usr/share/doc/qemu-system-x86/common/ich9-ehci-uhci.cfg -drive if=none,id=usbstick,file=$DISK -usb -device usb-storage,bus=ehci.0,drive=usbstick "
fi
if [ "$KERNDIR" = "" ]; then
KERNDIR=$JEHANNE/arch/$ARCH/kern/
fi
if [ "$KERNEL" = "" ]; then
KERNEL="jehanne.32bit"
fi
if [ "$NCPU" = "" ]; then
NCPU=4
fi
QEMU_USER=`whoami`
cd $KERNDIR
read -r cmd <<EOF
$kvmdo qemu-system-x86_64 -s -cpu Haswell -smp $NCPU -m 2048 $kvmflag \
-rtc clock=vm \
-no-reboot -serial mon:stdio \
--machine $machineflag \
$bootDisk \
-netdev user,id=ethernet.0,hostfwd=tcp::5555-:1522,hostfwd=tcp::9999-:9,hostfwd=tcp::17010-:17010,hostfwd=tcp::17013-:17013 \
-device rtl8139,netdev=ethernet.0 \
$usbDev \
-append "maxcores=1024 nvram=$NVRAM nvrlen=512 nvroff=0 console=0 qemu-user=$QEMU_USER *acpi= $FS $KAPPEND" \
-initrd ./initrd \
-kernel $KERNEL $*
EOF
# To enable qemu log:
#-D $JEHANNE/../qemu.log -d int,cpu_reset,in_asm \
#-net dump,file=/tmp/vm0.pcap \
echo $cmd
eval $cmd
kill $ufspid
wait