On Mar 29, 2007, at 2:36 PM, Dag-Erling Smørgrav wrote:
I'm was looking through handbook and wikipedia and it appears FreeBSD
doesn't support hardware (nor software) nx bit.
There also doesn't seem to be any support for TPM (Trusted
Platform Module).
I believe NX support was never implemented because Intel's version of
AMD64 didn't support it. As for TPM, I don't see the point.
Intel supports the same capability in newer revisions of their EM64T
CPUs, but they call it the "XD" bit instead (for eXecute Disabled).
There's a reasonable set of documentation here:
http://en.wikipedia.org/wiki/NX_bit#FreeBSD
--
-Chuck
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