From: ganesh subramonian <gun_raj@yahoo.com>
To: linuxppc-dev@ozlabs.org
Subject: Handling machine check exception
Date: Wed, 11 Oct 2006 21:59:43 -0700 (PDT) [thread overview]
Message-ID: <20061012045943.9389.qmail@web52403.mail.yahoo.com> (raw)
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 reply other threads:[~2006-10-12 5:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-12 4:59 ganesh subramonian [this message]
2006-10-12 10:34 ` Handling machine check exception Matt Sealey
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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