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Date:      Wed, 20 Dec 2006 11:29:35 -0800
From:      Peter Grehan <grehan@freebsd.org>
To:        Andrew Turner <andrew@fubar.geek.nz>
Cc:        freebsd-ppc@freebsd.org
Subject:   Re: FreeBSD on an Efika
Message-ID:  <45898F1F.402@freebsd.org>
In-Reply-To: <20061220192614.04c53dbf@hermies.int.fubar.geek.nz>
References:  <20061218104841.72ba51ea@hermies.int.fubar.geek.nz>	<4585CCC1.7050005@freebsd.org>	<20061218222327.308dca53@hermies.int.fubar.geek.nz>	<4586CA29.10803@freebsd.org>	<20061219113230.34182787@hermies.int.fubar.geek.nz>	<4587316C.1070500@freebsd.org> <20061220192614.04c53dbf@hermies.int.fubar.geek.nz>

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Hi Andrew,

>>   As you can see in <machine/trap.h>, the existing vector definition 
>> don't match these, or are incorrect for the G2 core.
> There is EXC_IMISS, EXC_DLMISS and EXC_DSMISS.

  Better get my brain in gear, I saw EXC_DTMISS and punted.

> The attached patch adds the NetBSD handlers. There is a bug in the
> patch where I can read data once but on the next read or write the
> kernel crashes.

  I'll have a look at this today. Debugging could be difficult. When you 
get the crash, is there a panic backtrace ? The SRR* registers should be 
printed if that is the case.

later,

Peter.



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