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Re: [Savannah-hackers-public] GPL and “All rights r eserved”

From: James Cloos
Subject: Re: [Savannah-hackers-public] GPL and “All rights r eserved”
Date: Sun, 02 Jun 2013 12:36:13 -0400
User-agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3.50 (gnu/linux)

>>>>> "KB" == Karl Berry <address@hidden> writes:

>> ASIC/FPGA mining (primary use) has no such limitations.

KB> What does "mining" mean here?  I searched around but could
KB> not figure it out.
has a good description.  Basically it is finding sha256 pre-images.
>>     Out of curiosity: I wonder whether anything that depends
>>     on FPGA may qualify as free software system.

KB> If the programmed chips, or instructions for the programming,
KB> are available, why not?  I'm sure I don't get it ...

Most (all?) FPGA chips have undisclosed bitstream formats.  One
typically (always?) has to use closed-source-ware for the final
stage of compilation.  I presume that is what he referred to.

James Cloos <address@hidden>         OpenPGP: 1024D/ED7DAEA6

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