virtual-dsm/src/config.sh
2023-12-16 02:05:54 +01:00

49 lines
1.7 KiB
Bash

#!/bin/bash
set -Eeuo pipefail
KVM_ERR=""
KVM_OPTS=""
if [ "$ARCH" == "amd64" ]; then
if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
if ! grep -q -e vmx -e svm /proc/cpuinfo; then
KVM_ERR="(vmx/svm disabled)"
fi
else
[ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"
fi
if [ -n "$KVM_ERR" ]; then
error "KVM acceleration not detected $KVM_ERR, see the FAQ about this."
[[ "$DEBUG" != [Yy1]* ]] && exit 88
else
if [ "$CPU_MODEL" == "host" ]; then
if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
error "Your CPU does not have the SSE4.2 instruction set, which is required by DSM."
[[ "$DEBUG" != [Yy1]* ]] && exit 89
fi
fi
KVM_OPTS=",accel=kvm -enable-kvm -cpu $CPU_MODEL"
fi
fi
DEF_OPTS="-nographic -nodefaults -boot strict=on -display none"
RAM_OPTS=$(echo "-m $RAM_SIZE" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
CPU_OPTS="-smp $CPU_CORES,sockets=1,dies=1,cores=$CPU_CORES,threads=1"
MAC_OPTS="-machine type=q35,usb=off,dump-guest-core=off,hpet=off${KVM_OPTS}"
EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
EXTRA_OPTS="$EXTRA_OPTS -object rng-random,id=objrng0,filename=/dev/urandom"
EXTRA_OPTS="$EXTRA_OPTS -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0,addr=0x1c"
if [[ "$GPU" == [Yy1]* ]] && [[ "$ARCH" == "amd64" ]]; then
DEF_OPTS="-nodefaults -boot strict=on -display egl-headless,rendernode=/dev/dri/renderD128"
DEF_OPTS="$DEF_OPTS -device virtio-vga,id=video0,max_outputs=1,bus=pcie.0,addr=0x1"
fi
ARGS="$DEF_OPTS $CPU_OPTS $RAM_OPTS $MAC_OPTS $MON_OPTS $SERIAL_OPTS $NET_OPTS $DISK_OPTS $EXTRA_OPTS $ARGUMENTS"
ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')
return 0