Messages in this thread |  | | | Date | Thu, 4 Feb 1999 09:20:06 -0500 | | From | Brian Ristuccia <> | | Subject | Re: Katmai/PIII support |
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On Thu, Feb 04, 1999 at 09:08:00AM +0100, MOLNAR Ingo wrote: > > On Wed, 3 Feb 1999, Brian Ristuccia wrote: > > > Curious, can the instructions required to retrive the serial number be run > > from userspace? > > i suppose so (of course only if it's not disabled). It's a variation of > CPUID, so i guess it can be. If you think about copy-protection, you > definitely want to 'embedd' and inline the querying in the protected > product as much as possible, which pretty much rules out system-call based > approaches. >
Could it be made to cause a trap if it's run while disabled?
You know what I'm thinking :)
-- Brian Ristuccia brianr@osiris.978.org bristucc@baynetworks.com bristucc@cs.uml.edu
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