[TUHS] SVR3 or SVR4 kernel sources for 3B2/700

Marc Donner marc.donner at gmail.com
Sat Sep 30 16:35:06 AEST 2023

I infer from your inquiry that there is no formal statement of the ISA for
the machine.  Is that correct?

On Sat, Sep 30, 2023 at 1:57 AM Seth Morabito <web at loomcom.com> wrote:

> It's been a while since I asked, and I would be extraordinarily surprised
> if the situation had changed, but I thought I might try my luck one more
> time...
> The 3B2 is a dreadful computer, but nevertheless I find myself compelled
> to try to make the SIMH 3B2 emulation more accurate. The emulation for the
> 3B2/400 is probably as accurate as it's ever going to be, but the 3B2/700
> has very clear and known bugs. One of the things holding back fixing those
> bugs is documentation in the form of source code. I have the leaked kernel
> source code for the 3B2/400 ("Version 2") architecture, but I have never
> seen any kernel source code that targets the 3B2/700 or /1000 ("Version 3")
> architecture. All I have are the system header files from /usr/include/sys,
> nothing more.
> If by some chance you have a /usr/src/uts tree for the 3B2/600, /700, or
> /1000, I would love to see it. It would refer to the system board using the
> code name "FALCON", probably with a lot of #ifdef's (at least the system
> headers do)
> -Seth
> --
>   Seth Morabito * Poulsbo, WA * https://loomcom.com/
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