feat: CPU configuration

src/config.sh

@@ -1,34 +1,16 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-KVM_ERR=""
-KVM_OPTS=""
-
-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 "$KVM_ERR" ]; then
-  if [ "$ARCH" == "amd64" ]; then
-    error "KVM acceleration not detected $KVM_ERR, see the FAQ about this."
-    [[ "$DEBUG" != [Yy1]* ]] && exit 88
-  fi
-else
-  KVM_OPTS=",accel=kvm -enable-kvm -cpu host"
-fi
-
 DEF_OPTS="-nodefaults"
 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"
+CPU_OPTS="-cpu $CPU_MODEL -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${KVM_OPTS}"
 SERIAL_OPTS="-serial mon:stdio -device virtio-serial-pci,id=virtio-serial0,bus=pcie.0,addr=0x3"
-EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0 -object rng-random,id=rng0,filename=/dev/urandom -device virtio-rng-pci,rng=rng0"
+EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
+EXTRA_OPTS="$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"
 
-ARGS="$DEF_OPTS $CPU_OPTS $RAM_OPTS $MAC_OPTS $SERIAL_OPTS $NET_OPTS $DISK_OPTS $DISPLAY_OPTS $BOOT_OPTS $EXTRA_OPTS $ARGUMENTS"
+ARGS="$DEF_OPTS $CPU_OPTS $RAM_OPTS $MAC_OPTS $DISPLAY_OPTS $SERIAL_OPTS $NET_OPTS $DISK_OPTS $BOOT_OPTS $EXTRA_OPTS $ARGUMENTS"
 ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')
 
 return 0