Re:Intel Microcode Decryptor
by adrian_b on Tuesday July 19, 2022 @02:47PM
(#32156175)
No, the microinstruction formats are very different, so also the microprograms must be different.
Even the newer Atom cores, e.g. the Tremont cores from Jasper Lake/Elkhart Lake/Snow Ridge/Parker Ridge/Lakefield have a different microinstruction format than that which has been published now.
For every generation of Intel CPUs, reverse-engineering the microcode requires all the work to be done again, what has been discovered for another generation cannot help much.
Even the newer Atom cores, e.g. the Tremont cores from Jasper Lake/Elkhart Lake/Snow Ridge/Parker Ridge/Lakefield have a different microinstruction format than that which has been published now.
For every generation of Intel CPUs, reverse-engineering the microcode requires all the work to be done again, what has been discovered for another generation cannot help much.