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From: David Gibson <david@gibson.dropbear.id.au>
To: Scott Wood <scottwood@freescale.com>
Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>
Subject: Re: Consolidate cuboot initialization code
Date: Thu, 31 May 2007 11:33:37 +1000	[thread overview]
Message-ID: <20070531013337.GC14432@localhost.localdomain> (raw)
In-Reply-To: <465D9672.9060100@freescale.com>

On Wed, May 30, 2007 at 10:21:22AM -0500, Scott Wood wrote:
> David Gibson wrote:
> > On Wed, May 30, 2007 at 10:09:11AM -0500, Scott Wood wrote:
> >>Is there any particular reason to not just do a direct call to 
> >>cuboot_init, and move the memcpy and end-of-ram calculation there?  I'd 
> >>rather avoid macros if possible.
> > 
> > Uh.. yeah.. because cuboot_init() doesn't know the size to memcpy(),
> > because it doesn't have the right bd_t definition.
> 
> Ah, yes.  Don't mind me, it's still morning here... :-P
> 
> We could probably do away with the copy altogether, though, as u-boot 
> puts the bd_t near the stack, which is exempted from the bootwrapper's 
> heap with the 1MiB exclusion.

Possibly, though the copy is safer.  I'm hoping to be able to merge
libfdt in a few weeks, which with luck will let me get rid of malloc()
entirely.  I'll think about revisiting this then.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

      reply	other threads:[~2007-05-31  1:33 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-30  2:01 Consolidate cuboot initialization code David Gibson
2007-05-30 15:09 ` Scott Wood
2007-05-30 15:12   ` David Gibson
2007-05-30 15:21     ` Scott Wood
2007-05-31  1:33       ` David Gibson [this message]

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