linux-insides icon indicating copy to clipboard operation
linux-insides copied to clipboard

Published 20 hours ago • verified publisher icon 0xAX

ryzen reset vector

Open ebarrera1211 opened this issue 7 years ago • 2 comments

I thought the reset vector of ryzen has been randomnized. Is that not the case?

ebarrera1211 avatar Jan 07 '18 23:01 ebarrera1211

@ebarrera1211 I didn't find info about it anywhere. Do you have any ideas where can I find description of reset vector specificity for ryzen cpu?

0xAX avatar Apr 01 '18 18:04 0xAX

Why would they randomize it? It would just complicate the implementation of motherboards and the BIOS to intercept that random address. https://www.amd.com/system/files/TechDocs/24593.pdf still says that the Processor Initialization State will be:

  • RIP 0000_0000_0000_FFF0h
  • CS Selector = F000h
  • CS Base = 0000_0000_FFFF_0000h

DamianFekete avatar Oct 12 '18 19:10 DamianFekete