From: Brian Johnson <bjj4@charter.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [RFC] 64 bit i/o
Date: Wed, 02 Jan 2008 09:28:49 -0600 [thread overview]
Message-ID: <477BADB1.30400@charter.net> (raw)
In-Reply-To: <477BA5AB.6030406@earthlink.net>
Robert Reif wrote:
> Paul Brook wrote:
>>
>> Couldn't you just latch the value when one half is accessed?
>>
> In this one specific case you could do that but this is not the only
> case in sparc32 (TOD, MXCC, ...) and other architectures with 64 bit
> hardware have similar requirements.
>
> This is a generic solution that fills a hole in the qemu
> implementation.
Agreed. Some non-PC hardware has 64-bit registers which need to be
accessed as 64-bit quantities, in order to read or write all fields at
once. Qemu should support 64-bit I/O.
Brian
next prev parent reply other threads:[~2008-01-02 15:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-02 3:29 [Qemu-devel] [RFC] 64 bit i/o Robert Reif
2008-01-02 14:01 ` Paul Brook
2008-01-02 14:54 ` Robert Reif
2008-01-02 15:28 ` Brian Johnson [this message]
2008-01-02 18:17 ` [Qemu-devel] " Blue Swirl
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=477BADB1.30400@charter.net \
--to=bjj4@charter.net \
--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.