Search found 6 matches

by future
Thu Apr 12, 2018 11:42 pm
Forum: UEFI/BIOS Issue Q&A
Topic: can bios be implemented by AI?
Replies: 6
Views: 621

can bios be implemented by AI?

if AI is used on bios, maybe, bios engineer will lost job, will it come true ?
by future
Thu Apr 12, 2018 3:39 am
Forum: UEFI/BIOS Issue Q&A
Topic: NMI handler in uefi bios under uefi mode
Replies: 5
Views: 580

Re: NMI handler in uefi bios under uefi mode

NMI handling in UEFI and legacy mode are totally different. For UEFI mode, UEFI code disables NMI through port 70h, and enable NMI2SMI.All following NMIs will trigger corresponding SMI, of which UEFI could register SMI handler to take care. Implementation wise, EDK2 CPU driver (Exception.c\Initiali...
by future
Thu Apr 12, 2018 3:25 am
Forum: UEFI/BIOS Issue Q&A
Topic: NMI handler in uefi bios under uefi mode
Replies: 5
Views: 580

Re: NMI handler in uefi bios under uefi mode

It would be better if you could specify the question. Did you encounter some NMI handler issue or just would like to know the common handling mechanism? thanks for your reply, i want to know the common handling mechanism, i just want to know how bios deal with NMI interrupt in uefi mode, and how to...
by future
Wed Apr 11, 2018 11:26 pm
Forum: UEFI/BIOS Issue Q&A
Topic: NMI handler in uefi bios under uefi mode
Replies: 5
Views: 580

NMI handler in uefi bios under uefi mode

uefi how to handle NMI interrupt under uefi mode ?anyone can help on this ?thanks !
by future
Wed Apr 11, 2018 11:18 pm
Forum: Firmware Security
Topic: Read-only variable
Replies: 6
Views: 922

Re: Read-only variable

it is not good idea to lock all the variables in DXE phase, some still need be updated in bds.