Re: What is the maximum physical RAM for a 32bit MIPS core?

[Ralf Baechle <ralf@oss.sgi.com>]

On Tue, Feb 05, 2002 at 02:46:31PM -0600, Steven J. Hill wrote:

> > One note: Many MIPS32 implementations choose not to implement all 36 PA
> > bits, but limit themselves to 32 bits. This saves a few bits in the TLB
> > and a few address lines.
> > 
> So, if someone did want 36 PA bits on Linux, the TLB exception handlers
> and a little of the page table construction/management code would have to
> change. The userspace contraints and such would still remain. Cool.

Basically the whole code is already in place except a few bugs fixes that
still need to go in.

  Ralf