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   alt.os.development      Operating system development chatter      4,255 messages   

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   Message 3,566 of 4,255   
   mutazilah@gmail.com to Joe Monk   
   Re: pdos nominally stable   
   07 Dec 22 14:37:55   
   
   From: muta...@gmail.com   
      
   On Thursday, December 8, 2022 at 5:29:05 AM UTC+8, Joe Monk wrote:   
      
   > Hercules is an architecture emulator, not a hardware emulator.   
   > The way hercules behaves and the way the real hardware   
   > behaves can be two different things.   
      
   So? If it works, what's the issue?   
      
   > Example: Hercules cannot IPL any OS that requires CZAM,   
   > because hercules cannot currently do CZAM.   
      
   So? The problem in question was whether z/PDOS could   
   run on real hardware. If it only runs under z/VM on real   
   hardware, and that can't even be tested because I don't   
   have access to real z/VM on real hardware, who cares?   
      
   It can be demonstrated working on Hercules, and Hercules   
   is what is needed because of the exact problem above.   
      
   > > because   
   > > I do CCWs to terminals that are unlikely to exist on bare   
   > > metal.   
      
   > On z/ARCH, you dont run on bare metal. You always run LPAR.   
      
   Ok, you can replace it with whatever wording differentiates   
   being run on non-z/VM and running under z/VM, and neither   
   of them actually being proven because of the difficulty of   
   accessing mainframe hardware.   
      
   BTW, I'm not sure if this conversation triggered it, but I   
   realized that circumstances have changed, and I now   
   have the ability to create a 32-bit EFI 386 executable,   
   and I'm curious about 64-bit EFI x64 executable, to   
   create the start of a BIOS, so I'm going to reinstall   
   Zorin on my Chromebook so that hopefully I get a 64-bit   
   gcc back, and then I'm going to see what it does with my   
   gcc and binutils, which both mention x64 despite their age.   
      
   BFN. Paul.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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