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Date: Sun, 11 Nov 2012 13:18:53 -1000
From: "Elizabeth D. Rather" <erat...@forth.com>
Reply-To: erat...@forth.com
Organization: FORTH, Inc.
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Subject: Re: Questions about OpenFirmware
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On 11/11/12 1:09 PM, Rod Pemberton wrote:
> "Elizabeth D. Rather" <erat...@forth.com> wrote in message
> news:SYSdnQ8ozpNuQQLNnZ2dnUVZ_oSdnZ2d@supernews.com...
> ...
>
>> The details depend on the version of Open Firmware. Apple's system
>> differed significantly from Sun's, and IBM's was different still.
>>
>
> Sigh...  It's a standard!  Why are the implementations different?
>
> "IEEE Standard for Boot (Initialization Configuration) Firmware:
> Core Requirements and Practices"
> http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.72.3940

Implementations can differ if the external interface complies with the 
standard, which all of these do. Consider all the many approaches to 
implementing ANS Forth! The OP was asking about internal implementation 
issues, which are not standardized in OF any more than they are in Forth 
or most systems.

Cheers,
Elizabeth

-- 
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Elizabeth D. Rather   (US & Canada)   800-55-FORTH
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