Re: [GIT PULL] x86 setup: correct booting on 486 (revised)

[H. Peter Anvin]

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.

	-hpa
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