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Re: [Qemu-devel] [ARM] Cortex-R4F and VFP3-D16


From: Fabien Chouteau
Subject: Re: [Qemu-devel] [ARM] Cortex-R4F and VFP3-D16
Date: Thu, 28 Feb 2013 15:01:26 +0100
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2

On 02/27/2013 09:49 PM, Paul Brook wrote:
> I've got a patch to implement this as a side-effect of a different feature, 
> I'll look at pushing it out.

Great, don't hesitate to ask if you want some help.

In the meantime I have another question for you. In
helper.c:vfp_gdb_get_reg(), there's a comment:

 /* VFP data registers are always little-endian.  */

and all the load and store are stfq_le_p and ldfq_le_p. I don't
understand why VFP registers should always be little-endian. In fact I'm
working on a big-endian R4F (TMS570) and I have endianness issue in the
communication with GDB.

Thanks,

-- 
Fabien Chouteau



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