Messages in this thread | | | Date | Mon, 05 Nov 2007 12:31:09 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [GIT PULL] x86 setup: correct booting on 486 (revised) |
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Eric W. Biederman wrote: >> >>> However, that being said, doing so is trivial, and it might help some >>> debugging hack; anything that makes debugging easier is a Good Thing[TM]. >> Yeah. Even if it was just re-using the boot-time stack area temporarily, >> just to give code the choice to use a common set of instructions. > > If I had to do it from scratch today I would make the 32-bit entry > point require a stack, segments and use C calling conventions to pass > struct boot_params *. > > Besides %esi I'm not really fond of requiring anything in the 32bit > entrypoint. At the same time I totally agree that it is always nice > to provide way more then you need. >
Nailing down the interface as hard as possible is a good idea, to avoid tying your hands for the future.
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