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From: Jonathan Larmour <jlarmour@redhat.com>
To: "Edward, Yan-Chi, Lin" <yanchi@oak.com.tw>
Cc: Ecos-Discuss <ecos-discuss@sourceware.cygnus.com>
Subject: Re: [ECOS] How do I get __ARMEB__ defined ?
Date: Wed, 13 Dec 2000 09:07:00 -0000	[thread overview]
Message-ID: <3A37ACAE.808BD5D5@redhat.com> (raw)
In-Reply-To: <NDBBIJMAFMCKGDEBEFICCEOCFAAA.yanchi@oak.com.tw>

"Edward,Yan-Chi,Lin" wrote:
> 
> Thanks Jifl
> 
> But why the option "Use big endian mode" didn't add the "-EB" to the Global compiler flags ?

That would be a problem. Which platform is this?
 
> Now from my understanding. If I want to access a byte at, for examples, 0x7FF9003,
> I can't use HAL_READ_UINT8(0x7FF9003). Is that right ?

Yes, you always have to *assume* it is little-endian, and let the system
handle the translation if it's actually big-endian. Believe me, this is
better for generic code than the alternative which is always to provide two
values.

Jifl
-- 
Red Hat UK, Rustat House, 62 Clifton Road, Cambridge, UK. CB1 7EG 
Tel: +44 (1223) 271062              ||  These opinions are all my own fault

       reply	other threads:[~2000-12-13  9:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <NDBBIJMAFMCKGDEBEFICCEOCFAAA.yanchi@oak.com.tw>
2000-12-13  9:07 ` Jonathan Larmour [this message]
2000-12-10 19:23 Edward, Yan-Chi, Lin
2000-12-11 13:36 ` Jonathan Larmour

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