List of public information on Intel x86 microcode and related info

Intel 8086

Intel 8087

http://www.righto.com/2020/05/extracting-rom-constants-from-8087-math.html

“Extracting ROM constants from the 8087 math coprocessor's die”

Intel 80486dx

Think this site (siliconpr0n.org) might have some images of the bits, but might need a better pass if someone was really serious about it

Intel Appendix H

https://en.wikipedia.org/wiki/Appendix_H

http://computer-programming-forum.com/46-asm/e2e5b0bdcf448270.htm

This was leaked a while back (by accident?) from a research group. Someone also wrote an OpenOCD module to feed instructions in as microcode

Relevant documents?

  • “P5 EXTERNAL DESIGN SPECIFICATION, External Architecture Specification, Revision 1.3 January 15, 1992”

Intel Pentium 2 Klamath

Intel microcode updates

http://inertiawar.com/microcode/

  • Misc dicussion

https://github.com/platomav/MCExtractor

  • Tool to extract misc info

https://github.com/platomav/CPUMicrocodes

  • repo of misc updates

IIRC there was also a conference talk I saw

Intel Atom Goldmont

https://github.com/chip-red-pill/glm-ucode

“Five Intel Microcode (uCode) Sequencer's arrays for Atom Goldmont core named according to our guesses”

AMD

 
vendor/intel/microcode.txt · Last modified: 2020/09/05 17:35 by mcmaster
 
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