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From: Scott Wood <scottwood@freescale.com>
To: Johns Daniel <johns.daniel@gmail.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Common kernel image for e300 and e500v2
Date: Fri, 23 Jan 2009 12:42:00 -0600	[thread overview]
Message-ID: <497A0F78.8000600@freescale.com> (raw)
In-Reply-To: <ba5d9360901230931o20611d59hafdfb555209e255c@mail.gmail.com>

Johns Daniel wrote:
> Thank you for that piece of info, Scott!
> 
> May I expand the question one bit, and ask whether the user-mode 
> binaries compiled for the e300 will generally work for the e500 -- or, 
> vice versa? Is one choice safer than the other?
> 
> I know for sure that we take a big hit on floating-point ops, but are 
> there other things I am not considering?

It should work, though as you note floating point will have to be 
emulated (make sure your kernel supports it); better would be to compile 
as soft-float.  Also avoid string instructions.

-Scott

      reply	other threads:[~2009-01-23 18:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-23 15:05 Common kernel image for e300 and e500v2 Johns Daniel
2009-01-23 16:21 ` Scott Wood
2009-01-23 17:31   ` Johns Daniel
2009-01-23 18:42     ` Scott Wood [this message]

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