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Re: Making an ISO that boot in UEFI

From: Andrea G. Monaco
Subject: Re: Making an ISO that boot in UEFI
Date: Sun, 07 Feb 2021 17:51:23 +0100

  > Something that could be done is to add code to kdinit to reinitialize
  > the VGA card to text mode, then we can add the video flag in the
  > multiboot header (even if it'll actually just ignore it).

Ok, I'll try that.

As for upgrading to a multiboot2 header: maybe it's a good idea, but
will not solve this particular problem.

I think that grub2 simply can't boot a system in vga text mode, at
least in my setting (uefi on 64 bits); a different multiboot header
won't change that.
To check that, I tried adding a mb2 header to boothdr.S but I get the
same message from grub2: "warning: no console will be available to os".

Andrea G. Monaco
Hacker, mathematician, lgbt+ activist
"Hope will never be silent!", H. Milk

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