From: Segher Boessenkool <segher@kernel.crashing.org>
To: Milton Miller <miltonm@bga.com>
Cc: ppcdev <linuxppc-dev@ozlabs.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH 08/10] bootwrapper: Add a firmware-independent "raw" target.
Date: Mon, 10 Sep 2007 23:17:00 +0200 [thread overview]
Message-ID: <43ccd497fa7fa1f647ea2e3ca8168793@kernel.crashing.org> (raw)
In-Reply-To: <d16e868937a1f77cbf080754f5742ad9@bga.com>
>>> +static inline void disable_irq(void)
>>> +{
>>> + int dummy;
>>> + asm volatile("mfmsr %0; rlwinm %0, %0, 0, ~(1<<15); mtmsr %0"
>>> :
>>> + "=r" (dummy) : : "memory");
>>> +}
>
> This will fail (mtmsr illegal instruction) on 64 bit processors that do
> not implement the bridge facility (POWER4, 5, 6, PPC970, ...)
The latest ISA lists mtmsr as non-optional, not part of the bridge
facility. That suggests that all CPUs do in fact implement it.
970 does implement the 64-bit bridge facility, btw (well, "most of it").
Segher
next prev parent reply other threads:[~2007-09-10 21:17 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-05 19:20 [PATCH 00/10] Bootwrapper patches Scott Wood
2007-09-05 19:21 ` [PATCH 01/10] bootwrapper: Use fsl_get_immr() in cuboot-pq2.c Scott Wood
2007-09-05 19:21 ` [PATCH 02/10] bootwrapper: Support all-in-one PCI nodes in cuboot-pq2 Scott Wood
2007-09-05 19:21 ` [PATCH 03/10] bootwrapper: flatdevtree fixes Scott Wood
2007-09-07 0:49 ` David Gibson
2007-09-05 19:21 ` [PATCH 04/10] bootwrapper: Add strtoull() Scott Wood
2007-09-05 21:12 ` Josh Boyer
2007-09-07 0:50 ` David Gibson
2007-09-05 19:21 ` [PATCH 05/10] bootwrapper: Add get_path() Scott Wood
2007-09-07 0:52 ` David Gibson
2007-09-05 19:21 ` [PATCH 06/10] bootwrapper: Move strncmp() from flatdevtree_env.h to string.S/string.h Scott Wood
2007-09-07 0:51 ` David Gibson
2007-09-07 14:24 ` Scott Wood
2007-09-05 19:21 ` [PATCH 07/10] bootwrapper: Add PlanetCore firmware support Scott Wood
2007-09-07 1:03 ` David Gibson
2007-09-05 19:21 ` [PATCH 08/10] bootwrapper: Add a firmware-independent "raw" target Scott Wood
2007-09-07 0:58 ` David Gibson
2007-09-09 23:29 ` Milton Miller
2007-09-10 14:25 ` Scott Wood
2007-09-10 14:30 ` Scott Wood
2007-09-10 16:01 ` Milton Miller
2007-09-10 16:09 ` Milton Miller
2007-09-10 21:17 ` Segher Boessenkool [this message]
2007-09-21 17:31 ` Grant Likely
2007-09-21 17:33 ` Scott Wood
2007-10-03 20:29 ` Grant Likely
2007-09-05 19:21 ` [PATCH 09/10] bootwrapper: Only print MAC addresses when the node is actually present Scott Wood
2007-09-07 0:52 ` David Gibson
2007-09-05 19:21 ` [PATCH 10/10] bootwrapper: Add fsl_get_immr() and 8xx/pq2 clock functions Scott Wood
2007-09-07 0:53 ` David Gibson
2007-09-07 14:26 ` Scott Wood
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=43ccd497fa7fa1f647ea2e3ca8168793@kernel.crashing.org \
--to=segher@kernel.crashing.org \
--cc=david@gibson.dropbear.id.au \
--cc=linuxppc-dev@ozlabs.org \
--cc=miltonm@bga.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.