79 lines
1.6 KiB
Bash
79 lines
1.6 KiB
Bash
#!/usr/bin/env bash
|
|
set -Eeuo pipefail
|
|
|
|
# Docker environment variables
|
|
|
|
: "${KVM:="Y"}"
|
|
: "${CPU_FLAGS:=""}"
|
|
: "${CPU_MODEL:="cortex-a53"}"
|
|
|
|
[[ "$ARCH" != "arm"* ]] && KVM="N"
|
|
|
|
if [[ "$KVM" != [Nn]* ]]; then
|
|
|
|
KVM_ERR=""
|
|
|
|
if [ ! -e /dev/kvm ]; then
|
|
KVM_ERR="(device file missing)"
|
|
else
|
|
if ! sh -c 'echo -n > /dev/kvm' &> /dev/null; then
|
|
KVM_ERR="(no write access)"
|
|
fi
|
|
fi
|
|
|
|
if [ -n "$KVM_ERR" ]; then
|
|
KVM="N"
|
|
error "KVM acceleration not detected $KVM_ERR, this will cause a major loss of performance."
|
|
error "See the FAQ on how to enable it, or continue without KVM by setting KVM=N (not recommended)."
|
|
[[ "$DEBUG" != [Yy1]* ]] && exit 88
|
|
fi
|
|
|
|
fi
|
|
|
|
if [[ "$KVM" != [Nn]* ]]; then
|
|
|
|
CPU_MODEL="host"
|
|
KVM_OPTS=",accel=kvm -enable-kvm"
|
|
CPU_FEATURES="kvm=on,migratable=no"
|
|
WIN_FEATURES=""
|
|
#CPU_FEATURES="kvm=on,l3-cache=on,migratable=no"
|
|
#WIN_FEATURES="+hypervisor,+invtsc,hv_passthrough"
|
|
|
|
else
|
|
|
|
CPU_FEATURES=""
|
|
WIN_FEATURES=""
|
|
KVM_OPTS=" -accel tcg,thread=multi"
|
|
|
|
if [[ "$ARCH" == "arm"* ]]; then
|
|
CPU_MODEL="max"
|
|
fi
|
|
|
|
if [[ "${BOOT_MODE,,}" == "windows" ]]; then
|
|
MACHINE="$MACHINE,virtualization=on"
|
|
fi
|
|
|
|
fi
|
|
|
|
if [[ "${BOOT_MODE,,}" == "windows" ]]; then
|
|
|
|
[ -n "$CPU_FEATURES" ] && CPU_FEATURES="$CPU_FEATURES,"
|
|
CPU_FEATURES="$CPU_FEATURES${WIN_FEATURES}"
|
|
|
|
fi
|
|
|
|
if [ -z "$CPU_FLAGS" ]; then
|
|
if [ -z "$CPU_FEATURES" ]; then
|
|
CPU_FLAGS="$CPU_MODEL"
|
|
else
|
|
CPU_FLAGS="$CPU_MODEL,$CPU_FEATURES"
|
|
fi
|
|
else
|
|
if [ -z "$CPU_FEATURES" ]; then
|
|
CPU_FLAGS="$CPU_MODEL,$CPU_FLAGS"
|
|
else
|
|
CPU_FLAGS="$CPU_MODEL,$CPU_FEATURES,$CPU_FLAGS"
|
|
fi
|
|
fi
|
|
|
|
return 0
|