added check vmx io feature
fixed asm macro
show vmcs mm type
cleaner osxave enable
fixed ept entries bitfields
fixed page walking code
better exception/interrupt show up in ktrace
fixed tx,rx tail descriptor read cause unreliable, use shadow instead
fixed kbd ctrl a20 gate (thx scott)
fixed Windows utils (thx scott)
avoid hyperv client detection through VMware
debug show cache content
better e1000 debug info
better udp debug
exclude e1000 pci config space from guest addr space
allow a20 setting while in pmode (wrap-around not impl)
cleaner exit event debug info