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Sephr
on Dec 17, 2016
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Intel X86 Encoder Decoder
Don't expect any management engine/system management mode instructions any time soon/ever.
derefr
on Dec 17, 2016
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No reason to hide them; presumably, as with firmware updates, you have to load an Intel signing key into a few registers along with your IME/SMM opcode to get it to execute.
amluto
on Dec 18, 2016
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Huh? SMM is fully documented at the CPU level. QEMU can even emulate it. Not sure what you mean by "management mode".
Sephr
on Dec 18, 2016
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Sorry, I meant the undocumented MEI and SMM features.
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