Path: chuka.playstation.co.uk!news
From: Chris Chadwick <xjk18@dial.pipex.com>
Newsgroups: scee.yaroze.programming.libraries
Subject: Re: SsVabTransfer locks up!
Date: Fri, 17 Jul 1998 00:43:05 -0700
Organization: PlayStation Net Yaroze (SCEE)
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References: <359E82E9.1134@dial.pipex.com> <35a17582.898850637@news.scea.sony.com> <35A5E635.6368@dial.pipex.com> <35AC619C.3A76@dial.pipex.com> <35ADC9B6.64475D04@scee.sony.co.uk>
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James Russell wrote:
> 
> Chris Chadwick wrote:
> >
> > Now, I dont know much about this inline assembler stuff but the above code
> > (now that I look at it!) seems to be setting the stack pointer register
> > to the BOTTOM of the DCache memory. I'd assumed the stack would 'grow'
> > downwards in memory, not up.
> 
> 0x1f8003f0 is one word less than the top address of D-Cache (which is 1024 bytes long). That's what
> the stack is being set to in your code, so it is the _top_ of the D-Cache.

You're right. Sorry, I had a bit of a brainstorm!
However, why set it to 0x1f8003f0 and not 0x1f8003ff (the top)?
For alignment?

-Chris