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Re: my plan for Multiboot 2
From: |
Robert Millan |
Subject: |
Re: my plan for Multiboot 2 |
Date: |
Thu, 10 Dec 2009 02:01:03 +0100 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Wed, Dec 09, 2009 at 11:17:54PM +0100, Vladimir 'φ-coder/phcoder' Serbinenko
wrote:
> >> I think cpu-independency should come after possible incompatible changes
> >> since if we bring bad but compatible decision to non-x86 then it will be
> >> difficult to eradicate.
> >>
> >
> > I don't understand very well; could you give an example of problematic
> > situation?
> >
> >
>
> The most obvious are feature bits: we have statically allocated 32 bits,
> 16 optional, 16 required features. On platforms where OS needs a lot of
> hardware info it may be too few.
> Another problem is pointer-rich mbi which needs complicated processing
> before it can be relocated. Since often it has to be done before
> launching C code it makes startup assembly unnecessarily complex
It's not essential that we add non-x86 support first. I only suggested it
because then non-x86 platforms wouldn't have to wait for the whole drafting
process, and I wouldn't want to discuss spec decisions with the pressure of
having it ready ASAP in order to support new platforms.
--
Robert Millan
The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
how) you may access your data; but nobody's threatening your freedom: we
still allow you to remove your data and not access it at all."
- my plan for Multiboot 2, Robert Millan, 2009/12/07
- Re: my plan for Multiboot 2, Samuel Thibault, 2009/12/07
- Re: my plan for Multiboot 2, Vladimir 'φ-coder/phcoder' Serbinenko, 2009/12/09
- Re: my plan for Multiboot 2, Robert Millan, 2009/12/09
- Re: my plan for Multiboot 2, Vladimir 'φ-coder/phcoder' Serbinenko, 2009/12/09
- Re: my plan for Multiboot 2,
Robert Millan <=
- Re: my plan for Multiboot 2, BVK Chaitanya, 2009/12/10
- Re: my plan for Multiboot 2, Bogdan, 2009/12/13
- Re: my plan for Multiboot 2, Vladimir 'φ-coder/phcoder' Serbinenko, 2009/12/13
- Re: my plan for Multiboot 2, Robert Millan, 2009/12/24
- Re: my plan for Multiboot 2, Robert Millan, 2009/12/24