From: Matt Sealey <matt@genesi-usa.com>
To: ganesh subramonian <gun_raj@yahoo.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Handling machine check exception
Date: Thu, 12 Oct 2006 12:34:05 +0200 [thread overview]
Message-ID: <452E1A1D.1050601@genesi-usa.com> (raw)
In-Reply-To: <20061012045943.9389.qmail@web52403.mail.yahoo.com>
The G2 core definitely has a DAR register (SPR 19).
Look on the Freescale site for G2CORERM.pdf - this is
your reference manual, not the one specifically for the
8247.
--
Matt Sealey <matt@genesi-usa.com>
Genesi, Manager, Developer Relations
ganesh subramonian wrote:
> Hi,
>
> I am trying to modify the machinecheck exception
> handler so that checks caused by data access to a
> particular address range can be ignored. In mpc866
> there is a register called DAR(Data Address Register)
> which gives the address[access to] which caused the
> exception. However this is not mentioned in the
> MPC8247 manual. Is there some equivalent register for
> 8247. (It seemed to me that the DAR should be a core
> register and hence should be there on 8247 also. but
> if i try to read i really dont get the address causing
> the error).
>
> Or is there some way i can specify that access to a
> particular range of address should not cause a machine
> check?? Please help.
>
> thanks
> ganesh
>
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next prev parent reply other threads:[~2006-10-12 10:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-12 4:59 Handling machine check exception ganesh subramonian
2006-10-12 10:34 ` Matt Sealey [this message]
2006-10-12 14:51 ` Benjamin Herrenschmidt
2006-10-12 20:05 ` Segher Boessenkool
2006-10-14 14:04 ` ganesh subramonian
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