Peter Bosch

@peterbjornx

Physics, Astronomy and Computer Science student/Software developer/(Hardware/Firmware) Hacker PB1X

Leiden, Nederland
pbx.sh
Vrijeme pridruživanja: prosinac 2011.
40 fotografija ili videozapisa Fotografije i videozapisi

Tweetovi

Blokirali ste korisnika/cu @peterbjornx

Jeste li sigurni da želite vidjeti te tweetove? Time nećete deblokirati korisnika/cu @peterbjornx

  1. 21. sij

    Felt like sharing this die shot I took of an Intel 82385 cache controller.

    16 proslijeđenih tweetova 71 korisnik označava da mu se sviđa
    Poništi
  2. 13. sij

    Anyone dare guess what I'm working on here?

    1 proslijeđeni tweet 12 korisnika označava da im se sviđa
    Poništi
  3. 13. sij

    Kaby Lake seems pretty forgiving when it comes to power sequencing :)

    3 proslijeđena tweeta 35 korisnika označava da im se sviđa
    Poništi
  4. proslijedio/la je Tweet
    12. sij

    is hard at work!

    2 proslijeđena tweeta 7 korisnika označava da im se sviđa
    Poništi
  5. 4. sij

    Messing around with some old school tech, wonder what secrets this Pentium II holds...

    1 proslijeđeni tweet 11 korisnika označava da im se sviđa
    Poništi
  6. 31. pro 2019.

    Slightly late, but here's the slides to my talk: . Contains some useful bonus slides and links, somewhere in the next few days I will add more references to prior work on this subject.

    32 proslijeđena tweeta 67 korisnika označava da im se sviđa
    Poništi
  7. 26. pro 2019.

    Is anyone still in need of a ticket? I have one to spare! DM me for info.

    1 reply 8 proslijeđenih tweetova 2 korisnika označavaju da im se sviđa
    Poništi
  8. 26. pro 2019.

    On my way to !

    13 korisnika označava da im se sviđa
    Poništi
  9. proslijedio/la je Tweet
    22. pro 2019.

    I never thought I'd live in a nightmare world like this!

    29 replies 73 proslijeđena tweeta 206 korisnika označava da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  10. 19. pro 2019.

    I don't usually post about politics, but I noticed something weird during the vote yesterday: for about a minute there seemed to be a republican YEA for article I but then it disappeared again, is this normal for house votes?

    1 reply 1 proslijeđeni tweet
    Poništi
  11. proslijedio/la je Tweet
    10. pro 2019.

    A thread about Internet Archive's "Silent Killer" and why you should both donate to this month () and encourage others to do so. (Photos by Jamie Lyons)

    12 replies 787 proslijeđenih tweetova 855 korisnika označava da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  12. proslijedio/la je Tweet
    5. pro 2019.

    Dutch Minister Grapperhaus has to stop urging for encryption backdoors (today's article). This is at least his 2nd time violating official Dutch Government position that strong encryption is essential for society. Urgent Questions by below.

    Onacceptabel. Minister Grapperhaus pleit ineens wéér voor het verzwakken van encryptie. Hij handelt hiermee in strijd met kabinetsbeleid! Dit moet stoppen. Hieronder mijn spoedvragen ⤵️ (1/2)
    Prikaži ovu nit
    1 reply 5 proslijeđenih tweetova 10 korisnika označava da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  13. 19. stu 2019.

    Finally able to boot the host without running the emulator or resuming bup. Wrote a python script that pokes the right register bits using OpenIPC with a lot of magic numbers everywhere. It consistently resets twice before working after powercycle but it does eventually boot.

    8 proslijeđenih tweetova 37 korisnika označava da im se sviđa
    Poništi
  14. 19. stu 2019.

    I traced all MMIO and IOSF accesses the emulator sent to the hardware, and am sorting through them. This is easier than looking at the fw because powering up the CPU with an incorrect state of the PCH regs seems to crash it immediately, making testing from scratch difficult.

    4 korisnika označavaju da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  15. 19. stu 2019.

    Leftmost machine is my laptop, the DUT. The machine to the right of it is a hackerspace laptop, showing the OpenIPC debugger interface on its screen, on the external screen is the emulator running the firmware.

    1 reply 3 korisnika označavaju da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  16. 19. stu 2019.

    Its pretty annoying how sparse the public PSF control register documentation is. Reverse engineering doesn't help much either as Intel's firmware also just shoves constants into it, but because these control what "PCI" devices the PCH exposes it would be nice to understand them.

    1 reply 1 proslijeđeni tweet 6 korisnika označava da im se sviđa
    Poništi
  17. 19. stu 2019.

    Working on figuring out how to boot the host CPU without running/emulating the original ME firmware. Should really get a dedicated test machine instead of reflashing my main laptop and booting a hackerspace laptop off it's SSD...

    1 reply 4 proslijeđena tweeta 29 korisnika označava da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  18. 16. stu 2019.

    (from the ME, that is)

    2 korisnika označavaju da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  19. 16. stu 2019.

    Hmm, seems like you can write to host-visible DRAM as well. Interesting!

    1 reply 3 korisnika označavaju da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi
  20. 16. stu 2019.

    Managed to boot my laptop using an emulated ME "bup" module, by passing through the ICC and PMC devices to real hardware over the debug probe!

    1 reply 1 proslijeđeni tweet 29 korisnika označava da im se sviđa
    Prikaži ovu nit
    Prikaži ovu nit
    Poništi

@peterbjornx još nije objavio nijedan Tweet.

Čini se da učitavanje traje već neko vrijeme.

Twitter je možda preopterećen ili ima kratkotrajnih poteškoća u radu. Pokušajte ponovno ili potražite dodatne informacije u odjeljku Status Twittera.

    Možda bi vam se svidjelo i ovo:

    ·