From: David Daney <ddaney@caviumnetworks.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: Rich Felker <dalias@libc.org>,
David Daney <ddaney.cavm@gmail.com>, <libc-alpha@sourceware.org>,
<linux-kernel@vger.kernel.org>, <linux-mips@linux-mips.org>,
David Daney <david.daney@cavium.com>
Subject: Re: [PATCH resend] MIPS: Allow FPU emulator to use non-stack area.
Date: Mon, 6 Oct 2014 16:48:52 -0700 [thread overview]
Message-ID: <54332A64.5020605@caviumnetworks.com> (raw)
In-Reply-To: <543327E7.4020608@amacapital.net>
On 10/06/2014 04:38 PM, Andy Lutomirski wrote:
> On 10/06/2014 02:58 PM, Rich Felker wrote:
>> On Mon, Oct 06, 2014 at 02:45:29PM -0700, David Daney wrote:
[...]
>> This is a huge ill-designed mess.
>
> Amen.
>
> Can the kernel not just emulate the instructions directly?
In theory it could, but since there can be implementation defined
instructions, there is no way to achieve full instruction set coverage
for all possible machines.
> Can it single-step through them in place?
No. If it could, we wouldn't be having this informative discussion.
next prev parent reply other threads:[~2014-10-06 23:49 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-06 20:23 [PATCH resend] MIPS: Allow FPU emulator to use non-stack area David Daney
2014-10-06 20:54 ` Rich Felker
2014-10-06 21:18 ` David Daney
2014-10-06 21:31 ` Rich Felker
2014-10-06 21:45 ` David Daney
2014-10-06 21:58 ` Rich Felker
2014-10-06 22:17 ` David Daney
2014-10-06 23:08 ` Rich Felker
2014-10-06 23:38 ` Andy Lutomirski
2014-10-06 23:48 ` David Daney [this message]
2014-10-06 23:54 ` Andy Lutomirski
2014-10-07 0:05 ` Rich Felker
2014-10-07 0:11 ` Andrew Pinski
2014-10-07 0:21 ` Rich Felker
2014-10-07 0:28 ` Andrew Pinski
2014-10-07 0:29 ` Andy Lutomirski
2014-10-07 0:32 ` David Daney
2014-10-07 0:33 ` David Daney
2014-10-07 0:48 ` Andy Lutomirski
2014-10-07 0:49 ` Rich Felker
2014-10-07 4:50 ` David Daney
2014-10-07 9:13 ` Matthew Fortune
2014-10-07 10:52 ` James Hogan
2014-10-07 11:19 ` Rich Felker
2014-10-07 16:04 ` David Daney
2014-10-07 18:32 ` Leonid Yegoshin
2014-10-07 18:43 ` David Daney
2014-10-07 19:13 ` Leonid Yegoshin
2014-10-07 18:44 ` Andy Lutomirski
2014-10-07 18:50 ` David Daney
2014-10-07 19:09 ` Rich Felker
2014-10-07 19:16 ` Leonid Yegoshin
2014-10-07 19:21 ` Rich Felker
2014-10-07 19:27 ` Leonid Yegoshin
2014-10-07 19:28 ` Andy Lutomirski
2014-10-07 20:03 ` David Daney
2014-10-08 0:22 ` Andy Lutomirski
2014-10-07 19:40 ` Matthew Fortune
2014-10-07 11:11 ` Rich Felker
2014-10-07 16:08 ` David Daney
2014-10-07 18:16 ` Andy Lutomirski
2014-10-07 23:20 ` Ralf Baechle
2014-10-07 23:59 ` David Daney
2014-10-08 0:18 ` Chuck Ebbert
2014-10-08 2:37 ` Rich Felker
2014-10-08 10:31 ` Paul Burton
2014-10-07 1:02 ` Kevin D. Kissell
2014-10-07 1:38 ` Rich Felker
2014-10-07 4:32 ` David Daney
2014-10-07 11:53 ` James Hogan
2014-10-07 12:22 ` James Hogan
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