AuxXxilium/arv-v-dsm
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feat: Emulate SSE4.2 on ARM64

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Kroese 2023-12-16 04:22:21 +01:00 committed by GitHub
parent 3812101366
commit 3f2ca67051
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 10 deletions
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25
src/config.sh
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@ -3,6 +3,7 @@ set -Eeuo pipefail
KVM_ERR=""
KVM_OPTS=""
QEMU_CPU="qemu64,+ssse3,+sse4,+sse4.1,+sse4.2"
if [ "$ARCH" == "amd64" ]; then
@ -15,23 +16,27 @@ if [ "$ARCH" == "amd64" ]; then
fi
if [ -n "$KVM_ERR" ]; then
error "KVM acceleration not detected $KVM_ERR, see the FAQ about this."
[[ "$DEBUG" != [Yy1]* ]] && exit 88
error "KVM acceleration not detected $KVM_ERR, this will cause a major loss of performance."
error "See the FAQ on how to enable it, or skip this error by setting KVM=N (not recommended)."
[[ "$KVM" != [Nn]* ]] && [[ "$DEBUG" != [Yy1]* ]] && exit 88
[ "$CPU_MODEL" == "host" ] && CPU_MODEL="$QEMU_CPU"
else
if [ "$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 $CPU_MODEL"
KVM_OPTS=",accel=kvm -enable-kvm"
fi
if [ "$CPU_MODEL" == "host" ]; then
if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
info "Your CPU does not have the SSE4.2 instruction set, it will be emulated.."
CPU_MODEL="host,+ssse3,+sse4,+sse4.1,+sse4.2"
fi
fi
else
[ "$CPU_MODEL" == "host" ] && CPU_MODEL="$QEMU_CPU"
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"
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${KVM_OPTS}"
EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
EXTRA_OPTS="$EXTRA_OPTS -object rng-random,id=objrng0,filename=/dev/urandom"