From mboxrd@z Thu Jan  1 00:00:00 1970
From: Scott Wood <scottwood@freescale.com>
Date: Wed, 31 Oct 2012 17:08:26 -0500
Subject: [U-Boot] [PATCH v2 03/22] powerpc/mpc85xx: move debug tlb entry
 after TLB is in known state
In-Reply-To: <5090C27B.6040904@freescale.com> (from prabhakar@freescale.com
	on Wed Oct 31 01:17:31 2012)
Message-ID: <1351721306.13377.15@snotra>
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On 10/31/2012 01:17:31 AM, Prabhakar Kushwaha wrote:
> On 10/31/2012 02:37 AM, Scott Wood wrote:
>> On 10/30/2012 04:26:16 AM, Prabhakar Kushwaha wrote:
>> I'd rather not see this split this up.  This file is too much of a  
>> complicated ifdef mess already.
>> 
>> The window during which you won't be able to use breakpoints is not  
>> that large.
>> There are other debugging techniques that can be used.
> 
> Can you please share the other techniques. It will help us in future.

For debugging early boot hangs I usually put a branch-to-self somewhere  
in the sequence, and use CCS to see if we're spinning there or if we  
went off to some exception or other badness.  Then I do a binary  
search, moving the branch to self around, to determine where things  
went wrong.

-Scott