From: "Andreas Färber" <afaerber@suse.de>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org, patches@linaro.org
Subject: Re: [Qemu-devel] [PATCH] target-arm: Make '-cpu any' available in linux-user mode only
Date: Tue, 03 Sep 2013 17:23:26 +0200 [thread overview]
Message-ID: <5225FEEE.5090005@suse.de> (raw)
In-Reply-To: <1378213995-12945-1-git-send-email-peter.maydell@linaro.org>
Am 03.09.2013 15:13, schrieb Peter Maydell:
> Make the 'any' CPU for target-arm available only in linux-user mode.
> The ARM target provides a CPU named "any", which turns on support for
> all user-level instruction set extensions we know about. This is
> intended for linux-user emulation mode, where it is the default CPU type.
> It makes no sense to try to use this for system emulation, since we don't
> initialize it with any system-level information like feature register
> values or implementation specific cp15 registers. (Unsurprisingly, some
> boards won't boot at all, though you might get lucky in some cases where
> the guest doesn't happen to prod things that aren't there.)
>
> Prevent users from making this command line error by removing the
> CPU definition from the softmmu build.
>
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Andreas
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
prev parent reply other threads:[~2013-09-03 15:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-03 13:13 [Qemu-devel] [PATCH] target-arm: Make '-cpu any' available in linux-user mode only Peter Maydell
2013-09-03 15:23 ` Andreas Färber [this message]
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=5225FEEE.5090005@suse.de \
--to=afaerber@suse.de \
--cc=patches@linaro.org \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.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 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.