I think that in 68k Macs, MacOS plays a large part in hardware
initialization. PowerPCs use OpenBoot, and I'd imagine it provides a
pretty clean interface to the hardware. I don't know a whole lot about
core Mac, so I'm just making a guess here :)

On Mon, 6 Nov 2000, David A. Gatwood wrote:

> I don't suppose the miBoot stuff from LinuxPPC would be of help, would it? 
> Basically, it looks enough like a system file for the ROMs to start it. Of
> course, on Mac68k, the actual hardware setup code would be completely
> different, but it seems like there shouldn't be much of that in the booter
> anyway, beyond the obvious issue of getting the things into 32 bit mode.
> How much MacOS hardware setup is relevant beyond that?  I guess the
> nanokernel figuring out how much RAM you have.  Luckily, the ROMs do it
> for you.  I assume they all store it at 0x50f0e02c ?
> 
> 
> Later,
> David
> 
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