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From: Gary Thomas <gthomas@cambridge.redhat.com>
To: Jonathan Larmour <jlarmour@redhat.com>
Cc: Nick Garnett <nickg@redhat.com>,
	ecos <ecos-discuss@sourceware.cygnus.com>,
	Rafael Rodríguez Velilla <rrv@tid.es>
Subject: Re: [ECOS] HAL_SavedRegisters (ecos 1_3_1)
Date: Thu, 31 May 2001 08:58:00 -0000	[thread overview]
Message-ID: <XFMail.20010531095806.gthomas@cambridge.redhat.com> (raw)
In-Reply-To: <3B166695.984C3F99@redhat.com>

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On 31-May-2001 Jonathan Larmour wrote:
> Rafael Rodríguez Velilla wrote:
>> 
>>   I can't find any place where the member msr of the struct
>> HAL_SavedRegisters is used (I have reviewed only the ARM
>> implementation). I think that this member should be omitted from the
>> struct.
> 
>From what I can see you are right (although Gary should probably confirm).
> The only thing is that if we remove it now, it may cause incompatibilities
> between a GDB stub in ROM and applications, if built from different
> sources, since ARMREG_SIZE in vectors.S will have changed.

I'm pretty sure that I defined that register _just in case_ it was important.
It might still be with some future version of the ARM chip.

I'd rather not remove it, both to retain pure compatability and for stability
reasons.  I also don't see much benefit from saving 4 bytes.

  parent reply	other threads:[~2001-05-31  8:58 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-05-30 10:36 Rafael Rodríguez Velilla
2001-05-30 12:13 ` [ECOS] " Fabrice Gautier
2001-05-31  0:17   ` Rafael Rodríguez Velilla
2001-05-31  8:43 ` [ECOS] " Jonathan Larmour
2001-05-31  8:51   ` Nick Garnett
2001-05-31  8:58   ` Gary Thomas [this message]
2001-06-01  8:11     ` Rafael Rodríguez Velilla

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