From: "LC Geldenhuys" <lourens@mecalc.co.za>
To: <linuxppc-embedded@lists.linuxppc.org>
Subject: RE: Kernel Mode Software Emulation NIP: 00001FFC - cache coherency problem on m8xx processors
Date: Fri, 26 Mar 2004 09:23:52 +0200 [thread overview]
Message-ID: <002401c41303$4dae8890$8702a8c0@lcgnotebook> (raw)
In-Reply-To: <20040325231357.GA22460@logos.cnet>
> -----Original Message-----
> From: owner-linuxppc-embedded@lists.linuxppc.org
> [mailto:owner-linuxppc-embedded@lists.linuxppc.org] On Behalf
> Of Marcelo Tosatti
> Sent: 26 March 2004 01:14 AM
> To: linuxppc-embedded@lists.linuxppc.org
> Subject: Kernel Mode Software Emulation NIP: 00001FFC - cache
> coherency problem on m8xx processors
<snip>
> I'm not exactly sure why we were jumping to "1FFC" instead of "2000",
> but adding "isync" before "bl transfer_to_handler" in both
> DecrementTimer
> and HardwareInterrupt fixed the problem for us.
This sounds distinctly familiar to the CPU13 Errata. Do you have
Instruction fetch show cycles enabled in ICTRL[IST_SER]? See:
http://e-www.motorola.com/files/32bit/doc/errata/MPC860CE.pdf
Cheers,
Lourens
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-03-26 7:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-25 23:13 Kernel Mode Software Emulation NIP: 00001FFC - cache coherency problem on m8xx processors Marcelo Tosatti
2004-03-26 6:51 ` Dan Malek
2004-03-26 9:04 ` Wolfgang Denk
2004-03-26 13:44 ` Dan Malek
2004-03-26 7:23 ` LC Geldenhuys [this message]
2004-03-26 8:07 ` Dan Malek
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='002401c41303$4dae8890$8702a8c0@lcgnotebook' \
--to=lourens@mecalc.co.za \
--cc=linuxppc-embedded@lists.linuxppc.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox