linux-mips
[Top] [All Lists]

Re: R2300 (not the hay baler)

To: "Maciej W. Rozycki" <macro@linux-mips.org>
Subject: Re: R2300 (not the hay baler)
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 21 Nov 2013 23:43:01 +0100
Cc: Paul Burton <paul.burton@imgtec.com>, "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
In-reply-to: <alpine.LFD.2.03.1311211934420.3267@linux-mips.org>
List-archive: <http://www.linux-mips.org/archives/linux-mips/>
List-help: <mailto:ecartis@linux-mips.org?Subject=help>
List-id: linux-mips <linux-mips.eddie.linux-mips.org>
List-owner: <mailto:ralf@linux-mips.org>
List-post: <mailto:linux-mips@linux-mips.org>
List-software: Ecartis version 1.0.0
List-subscribe: <mailto:ecartis@linux-mips.org?subject=subscribe%20linux-mips>
List-unsubscribe: <mailto:ecartis@linux-mips.org?subject=unsubscribe%20linux-mips>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <528B466A.3050906@imgtec.com> <alpine.LFD.2.03.1311191156570.3267@linux-mips.org> <528B60B3.6030406@imgtec.com> <alpine.LFD.2.03.1311211934420.3267@linux-mips.org>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Nov 21, 2013 at 07:52:04PM +0000, Maciej W. Rozycki wrote:

>  I think the discussion was off-list (Ralf, would you mind if I digged up 
> any clues from there?).

Please go ahead.

>  The format has been set long ago, and is also odd 
> enough to have 32 64-bit slots in the PTRACE_GETFPREGS/PTRACE_SETFPREGS 
> structure even for o32 processes (that now should be unexpectedly helpful 
> for FP64 o32 processes though), so there's little sense discussing its 
> prettiness or ugliness at this point in the game.
> 
>  Also I'm not sure what the core file format is for the FP context, it may 
> be worth double-checking too.

Is there some test suite for that kind of stuff?

>  Please feel free to poke me directly if you have any further issues about 
> MIPS I ISA compatibility.

Makes me wonder if there's a MIPS emulator that emulates a MIPS I system
faithfully.

  Ralf

<Prev in Thread] Current Thread [Next in Thread>