Path: chuka.playstation.co.uk!news1.scei.co.jp!scea!greg_labrec@interactive.sony.com
From: mperdue@iquest.net (Mario Perdue)
Newsgroups: scea.yaroze.programming.gnu_compiler
Subject: Re: which code space to use?
Date: Mon, 28 Apr 1997 21:24:06 GMT
Organization: SCEA Net Yaroze News
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Perhaps one of the engineers at Sony could respond to this one. I use
the k0 space because that's what works. I've just assumed that the k0
space in the only area you can use as I've been unsuccessful when
trying to use either ku or k1 space.

Mario

On Sat, 26 Apr 1997 04:00:58 -0500, Ed Federmeyer
<fedeedw@charlie.cns.iit.edu> wrote:

>I noticed that the demos all link starting at address 0x8------- (k0
>space), but on page 15 of the Yellow 'User Guide', it seems to indicate
>that code running out of this space does not use the Instruction cache
>of the CPU.  (The chart on that page says "Not available" under the
>I-cache column for k0 space.)
>
>Is there any reason not to link code so it runs from the the "ku" or
>"k1" spaces?
>
>The manual seems to be saying that these spaces are just aliases for the
>same physical memory, but it isn't very clear on why you would ever use
>one space vs. another.
>
>EdF