#!/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

get_supported_version() {
	local vendor="$( awk '$1 == "vendor_id" {print $NF;exit}' /proc/cpuinfo )"
	local version=12
	if [ "$vendor" = "GenuineIntel" ]; then
		modprobe msr
		flag="$( rdmsr --bitfield 5:5 0x485 )"
		[ "$flag" = 1 ] && version=15
	elif [ "$vendor" = "AuthenticAMD" ]; then
		family="$( awk '$1$2 == "cpufamily" {print $NF;exit}' /proc/cpuinfo )"
		[ "$family" -ge 21 ] && version=15
	fi
	echo "$version"
}

get_supported_version