Messages in this thread | | | From | "Alexander van Heukelum" <> | Subject | Re: [PATCH] shorten the x86_64 boot setup GDT to what the comment says | Date | Sun, 12 Nov 2006 14:47:45 +0100 |
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On Fri, 10 Nov 2006 16:46:00 +0100, "Alexander van Heukelum" <heukelum@mailshack.com> said: > On Fri, Nov 10, 2006 at 03:01:39PM +0100, Andi Kleen wrote: > > > Hi Andi, > > > > > > (Assuming you mean: "The gdt table already is 16-byte aligned.") > > > > > > Hmm. Not in the most recent version of Linus' tree, not even by > > > concidence, and none of the patches in your quilt-current/patches touch > > > x86_64's version of setup.S. Am I missing something? > > > > The main GDT is. The boot GDT isn't, but it doesn't matter because > > it is only used for a very short time. > > Aha, thanks for clearing that up. I agree it is not important to have > the boot GDT aligned, but I think it is preferable to make parts of the > two versions of setup.S equal if possible. > > Let's see what Steven Rostedt comes up with. > > I find the relocatable image patches interesting. I wonder if one can > get such a kernel 'running' using bochs, freedos, and loadlin ;).
Was it clear that I was sceptical about this still working? Oh well, I tried it, and it did not break. Freedos' versions of himem and emm386 loaded, DOS=HIGH,UMB.
Alexander -- Alexander van Heukelum heukelum@fastmail.fm
-- http://www.fastmail.fm - Same, same, but different
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