#!/bin/bash
set -e

trap : 2

$HARVEY/util/ufs -root=$HARVEY &
ufspid=$!

export machineflag=q35
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

# The -usb flag is necessary for the system to recognize usb devices
# To specify a specific device you must follow the following format:
#      -device usb-host,hostbus='X',hostaddr='Y'
# The 'X'/'Y' values can be found with lsusb(8) (Linux/BSD)
# Provided is an example lsusb(8) output:
#       Bus 002 Device 004: ID 056a:00e6 Wacom Co., Ltd TPCE6
# Where 'X'== 2 and 'Y'== 4

# vmware-cpuid-freq=on,+invtsc exposes the 0x40000000 hypervisor cpuid values to
# the guest, which we can use to identify the TSC frequency

read -r cmd <<EOF
$kvmdo qemu-system-x86_64 -s -cpu max,vmware-cpuid-freq=on,+invtsc -smp 4 -m 2048 $kvmflag \
-usb \
-serial stdio \
--machine $machineflag \
-net nic,model=rtl8139 \
-net user,id=user.0,\
hostfwd=tcp::5555-:1522,\
hostfwd=tcp::9999-:9,\
hostfwd=tcp::17010-:17010,\
hostfwd=tcp::1666-:1666,\
hostfwd=tcp::5356-:5356,\
hostfwd=tcp::17013-:17013 \
-object filter-dump,id=f1,netdev=user.0,file=/tmp/vm0.pcap \
-append "service=terminal nobootprompt=tcp maxcores=1024 fs=10.0.2.2 auth=10.0.2.2 nvram=/boot/nvram nvrlen=512 nvroff=0 acpiirq=1  mouseport=ps2 vgasize=1024x768x24 monitor=vesa" \
-kernel $HARVEY/sys/src/9/amd64/harvey.32bit $*
EOF

echo $cmd
eval $cmd

kill $ufspid
wait

# TO ENABLE FACTOTUM replace append with this
#-append "nobootprompt=tcp maxcores=1024 fs=10.0.2.2 auth=10.0.2.2 nvram=/boot/nvram nvrlen=512 nvroff=0" \

# -nographic \
#-S -gdb tcp::1234 \
# -nographic \
#-kernel mnt/hdd/kernel $*

# if you need the dump.
#-object filter-dump,id=f1,netdev=user.0,file=/tmp/vm0.pcap \

#sudo qemu-system-x86_64 -s -cpu phenom -smp 8 -m 4096 -nographic  \
#-net nic,model=rtl8139 mnt/hdd268mb.img \
#-net user,hostfwd=tcp::5555-:23 \
#-object filter-dump,id=f1,netdev=user.0,file=/tmp/vm0.pcap \
#-kernel mnt/hdd/kernel $*
#
#sudo qemu-system-x86_64 -s -cpu phenom -smp 8 -m 6024 -nographic  -net nic,model=rtl8139 mnt/hdd268mb.img -netdev user,id=mynet0 -kernel mnt/hdd/kernel $*
#sudo qemu-system-x86_64 -s -cpu phenom -smp 8 -m 6024 -nographic  -net nic,model=rtl8139 mnt/hdd268mb.img -netdev user,id=mynet0,net=192.168.76.0/24,dhcpstart=192.168.76.9 -kernel mnt/hdd/kernel $*

#