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Date:   Thu, 21 Nov 2013 23:43:01 +0100
From:   Ralf Baechle <ralf@linux-mips.org>
To:     "Maciej W. Rozycki" <macro@linux-mips.org>
Cc:     Paul Burton <paul.burton@imgtec.com>,
        "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
Subject: Re: R2300 (not the hay baler)
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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