[CDG5] Musings on v2 NanoKernel

[Max Poliakovski]

Hi Elliot,

I already suspected that Nanokernel v2 could include ideas/pieces from the
abandoned NuKernel. It's interesting that the first modernization ideas for
the OS/kernel date back to 1994, just right after the official release of
the first Power Macs (6100, 7100 and 8100). Another interesting point is
that NuKernel working group doesn't include Gary Davidian that wrote the NK
v1.

What is this "alternate" Virtual Memory API? Anything that goes though "sc"
and not through the 68k-ish _VMDispatch (0xFE0A)?

BTW: the server http://toddp.com/ that hosted the leaked "System 7.1"
source code (that's actually the ROM source for the pre-TNT machines) is
down. I hope you've managed to save its content...

Cheers
Max

Am Do., 28. März 2019 um 05:54 Uhr schrieb Elliot Nunn <
elliotnunn at fastmail.com>:

> When we get back to reversing the "alternate" Virtual Memory API exposed
> by the v2 NanoKernel, this might be informative:
>
> https://patents.google.com/patent/US5590334
>
> The entire External Reference Specification for NuKernel (c 1993) is
> included as an appendix. It seems that the later additions to the
> kernel, which were under-utilised by Mac OS 9, were an increasingly
> faithful replication of NuKernel mechanisms.
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