On 5/11/06, Paul Koning <pkoning@equallogic.com> wrote:
> >>>>> "Bin" =3D=3D Bin Chen <binary.chen@gmail.com> writes:
>
>  Bin> I am doing a project on a multi-core 64-bit MIPS processor, and
>  Bin> want to use NetBSD as a UP OS used for control plane.  Did
>  Bin> anybody try to port NetBSD to 64-bit MIPS?
>
> I did.  It's a surprisingly large effort, but I got to the point where
> I could build NetBSD (that was 1.6.2) in N64 mode and have it boot.
>
> Part of the work involves defining what syscall parameter passing
> looks like in N64 (the answer is fairly obvious but it isn't specified
> in the ABI, so that definition has to be created).  But I found that
> the biggest part of the job was making all the userland library
> changes.  For example, setjmp/longjmp was hairy.  (In that case, part
> of the problem was that some foolish programmer deliberately hardcoded
> some data structure sizes rather than using symbolic names.
> Fortunately, that design error was documented in the comments, so I
> could unscrew it.)
>
>         paul
>
If the userland program matters, how did the other 64bit project do?
Such as Alpha 64, as claimed by NetBSD official support. Can we borrow
the code done by Alpha64?
>