Re: NetBSD/virt68k live-image

Izumi Tsutsui <[email protected]> Sat, 8 Feb 2025 14:31:12 +0900
Newsgroups gmane.os.netbsd.ports.m68k
Message-ID <[email protected]>
> This is probably something that needs the much-discussed 68K page table improvements to build, right? Otherwise even with 8KB pages 68K is still limited to 960MB address space.
> 
> That had been enough for me to build git on my HP 9000-433s, but I can imagine there are packages that need 1GB or more address space to build these days, probably including LLVM et al.

Actual limitation is:

- ~960MB kernel address space (with 8KB page size) by default
 - this can be bumped by increasing MAXKL2SIZE in <m68k/pmap_motorola.h>

- ~480MB user address space (with 8KB page size) and no easy workaround
   to bump this limitation

---
Izumi Tsutsui