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feat: Detect nested virtualization (#94)

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Kroese 2024-10-12 20:05:41 +02:00 committed by GitHub
parent 2fa64cf373
commit b6be959712
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1 changed files with 16 additions and 0 deletions
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16
src/boot.sh
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@ -98,6 +98,22 @@ else
CPU_FLAGS="$DEFAULT_FLAGS,$CPU_FLAGS"
fi
CLOCK="/sys/devices/system/clocksource/clocksource0/current_clocksource"
[ -f "$CLOCK" ] && CLOCK=$(<"$CLOCK")
if [[ "${CLOCK,,}" == "kvm-clock" ]]; then
if [[ "$CPU_VENDOR" != "GenuineIntel" ]] && [[ "${CPU_CORES,,}" == "2" ]]; then
warn "Restricted processor to a single core because nested virtualization was detected!"
CPU_CORES="1"
else
warn "Nested virtualization was detected, this might cause issues running macOS!"
fi
fi
if [[ "${CLOCK,,}" == "hpet" ]]; then
warn "Your clocksource is HPET instead of TSC, this will cause issues running macOS!"
fi
case "$CPU_CORES" in
"" | "0" | "3" ) CPU_CORES="2" ;;
"5" ) CPU_CORES="4" ;;