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feat: CPU features

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Kroese 2023-12-16 06:31:43 +01:00 committed by GitHub
parent a2e55c5dda
commit f93f870626
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 16 deletions
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28
src/cpu.sh
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@ -2,15 +2,15 @@
set -Eeuo pipefail
# Docker environment variables
: ${HOST_CPU:=''}
: ${CPU_MODEL:='host'}
: ${QEMU_CPU:='qemu64,+ssse3,+sse4,+sse4.1,+sse4.2'}
: ${CPU_FEATURES:='+ssse3,+sse4.1,+sse4.2'}
KVM_ERR=""
KVM_OPTS=""
if [ "$ARCH" == "amd64" ] && [[ "$KVM" != [Nn]* ]]; then
if [[ "$ARCH" == "amd64" && "$KVM" != [Nn]* ]]; then
if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
if ! grep -q -e vmx -e svm /proc/cpuinfo; then
@ -24,40 +24,36 @@ if [ "$ARCH" == "amd64" ] && [[ "$KVM" != [Nn]* ]]; then
error "KVM acceleration not detected $KVM_ERR, this will cause a major loss of performance."
error "See the FAQ on how to enable it, or skip this error by setting KVM=N (not recommended)."
[[ "$DEBUG" != [Yy1]* ]] && exit 88
[ "$CPU_MODEL" == "host"* ] && CPU_MODEL="$QEMU_CPU"
[[ "$CPU_MODEL" == "host"* ]] && CPU_MODEL="max,$CPU_FEATURES"
else
KVM_OPTS=",accel=kvm -enable-kvm"
fi
if [ "$CPU_MODEL" == "host" ]; then
if [[ "$CPU_MODEL" != *"$CPU_FEATURES"* ]]; then
if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
info "Your CPU does not have the SSE4.2 instruction set, it will be emulated.."
CPU_MODEL="host,+ssse3,+sse4,+sse4.1,+sse4.2"
info "Your CPU does not have the SSE4.2 instruction set that DSM needs, it will be emulated.."
CPU_MODEL="host,$CPU_FEATURES"
fi
fi
else
[ "$CPU_MODEL" == "host"* ] && CPU_MODEL="$QEMU_CPU"
[[ "$CPU_MODEL" == "host"* ]] && CPU_MODEL="max,$CPU_FEATURES"
fi
if [ -z "$HOST_CPU" ] && [ "$CPU_MODEL" == "host"* ]; then
if [ -z "$HOST_CPU" ]; then
HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/ */ /g')
fi
if [ -n "$HOST_CPU" ]; then
HOST_CPU="${HOST_CPU%%,*},,"
else
if [ "$CPU_MODEL" == "host"* ] || [ "$CPU_MODEL" == "qemu"* ]; then
HOST_CPU="QEMU"
else
HOST_CPU="${CPU_MODEL%%,*}"
fi
HOST_CPU="QEMU, Virtual CPU,"
if [ "$ARCH" == "amd64" ]; then
HOST_CPU="${HOST_CPU%%,*}, Virtual CPU, X86_64"
HOST_CPU="$HOST_CPU X86_64"
else
HOST_CPU="${HOST_CPU%%,*}, Virtual CPU, $ARCH"
HOST_CPU="$HOST_CPU $ARCH"
fi
fi