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#!/bin/ash
# This script checks whether given VMware version supports the CPU:
# * Intel: check for "VMX Unrestricted Guest" CPU flag
# * AMD: check if CPU family is Bulldozer or newer
export PATH=$PATH:/opt/openslx/sbin:/opt/openslx/bin
VIRTTYPE=$(grep -m1 '^flags\s*:' /proc/cpuinfo | grep -wo -e svm -e vmx)
if [ -z "$VIRTTYPE" ]; then
echo 12
exit 0
fi
modprobe msr
VT=
if [ "$VIRTTYPE" = "vmx" ]; then # intel
BIT1=$(rdmsr --bitfield 0:0 0x3a 2>/dev/null || echo "fail")
BIT2=$(rdmsr --bitfield 2:2 0x3a 2>/dev/null || echo "fail")
if [ "$BIT1" = "0" ] || [ "$BIT2" = "1" ]; then
VT="ENABLED"
fi
elif [ "$VIRTTYPE" = "svm" ]; then # amd
BIT=$(rdmsr --bitfield 4:4 0xc0010114 2>/dev/null || echo "fail")
if [ "$BIT" = "0" ]; then
VT="ENABLED"
fi
fi
if [ "$VT" != "ENABLED" ]; then
echo 12
exit 0
fi
version=12
if [ "$VIRTTYPE" = "vmx" ]; then
flag="$( rdmsr --bitfield 5:5 0x485 )"
[ "$flag" = "1" ] && version=15
elif [ "$VIRTTYPE" = "svm" ]; then
family="$( awk '$1$2 == "cpufamily" {print $NF;exit}' /proc/cpuinfo )"
[ "$family" -ge 21 ] && version=15
fi
echo "$version"
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