News for hackers. Stuff that matters.

A comment on Custom Processing Unit: Hook, patch, and trace microcode at the software level.

Re:Custom Processing Unit: Hook, patch, and trace microcode ... by SaulJLH on Friday August 12, 2022 @07:33AM (#32436938)
Can someone please explain to me like I'm a 5yo; Why, if at all, this is significant? It "seems" significant, but no real idea, TBH.
[ Parent | on HN ]
Re:Custom Processing Unit: Hook, patch, and trace microcode ... by pedro2 on Friday August 12, 2022 @07:46AM (#32437037)
NOTE: I just skimmed very quickly the article and the linked article referring JTAG.

I believe it is providing tools which allow running the Intel CPU in a way equivalent to running a regular program on GDB. It may be possible to use a JTAG but not sure if it is a requirement.

[ Parent | on HN ]