OSDev.org • non-SMM real mode UEFI

Page 1 of 1

non-SMM real mode UEFI

Posted: Sat Mar 29, 2014 9:12 am

by lopidas

As I was reading the specification and it looks like only case, when UEFI is in real mode is while it is working in SMM. Is it correct?

Re: non-SMM real mode UEFI

Posted: Sat Mar 29, 2014 1:44 pm

by linguofreak

lopidas wrote:As I was reading the specification and it looks like only case, when UEFI is in real mode is while it is working in SMM. Is it correct?

Except that SMM is not real mode.

So UEFI is never in real mode.

Re: non-SMM real mode UEFI

Posted: Sun Mar 30, 2014 11:18 am

by lopidas

In which mode is it in CSM?
Is CSM part of UEFI?