From: muta...@gmail.com   
      
   On Sunday, March 26, 2023 at 12:02:53 AM UTC+8, wolfgang kern wrote:   
      
   > > Ok, it's still unclear to me what (artificial) constraints    
   > > you are placing, and why, but they are clearly genuine    
   > > constraints, and that is an interesting use case scenario.   
      
   > it's easy to explain: I hate folks who sell unfinished stuff.    
      
   You can buy a computer and install Freedos and/or Reactos,   
   neither of which would be "sold" if that's the constraint.   
      
   > > xor ecx,ecx    
   > > mov cl, 0x1b    
   > > rdmsr    
   > >    
   > > xxx: jmp xxx    
   > > #ret   
      
   > Now you know that the boot code runs in PL0 ?    
   > :):):) LMFAO it would otherwise not make much sense!    
      
   It could still make sense - UEFI may have had a requirement   
   that you need to make an API call, which may or may not be   
   exitbootservices, to raise the privilege level.   
      
   Emperical results show that it is not required for at least   
   one implementation.   
      
   BFN. Paul.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)