All of lore.kernel.org
 help / color / mirror / Atom feed
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 01:12:36 +1000	[thread overview]
Message-ID: <20070530151236.GA14432@localhost.localdomain> (raw)
In-Reply-To: <465D9397.7000008@freescale.com>

On Wed, May 30, 2007 at 10:09:11AM -0500, Scott Wood wrote:
> David Gibson wrote:
> > +void cuboot_init(unsigned long r4, unsigned long r5,
> > +		 unsigned long r6, unsigned long r7,
> > +		 unsigned long end_of_ram);
> > +
> > +#define CUBOOT_INIT() \
> > +	do { \
> > +		memcpy(&bd, (bd_t *)r3, sizeof(bd)); \
> > +		cuboot_init(r4, r5, r6, r7, bd.bi_memstart + bd.bi_memsize); \
> > +	} while (0)
> 
> 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.

> Also, the "extern char _dtb_start[], _dtb_end[];" line in cuboot.c 
> doesn't appear to be needed.

Oh, yeah, that's a hangover from when I had the ft initialization in
there as well.  That works for 83xx and 85xx, but not ebony.

> Other than that, it looks good.
> 
> -Scott
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-dev
> 

-- 
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:[~2007-05-30 15:12 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 [this message]
2007-05-30 15:21     ` Scott Wood
2007-05-31  1:33       ` David Gibson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20070530151236.GA14432@localhost.localdomain \
    --to=david@gibson.dropbear.id.au \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=paulus@samba.org \
    --cc=scottwood@freescale.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.