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Re: [Qemu-devel] fpu/softfloat.c licensing

From: Alexander Graf
Subject: Re: [Qemu-devel] fpu/softfloat.c licensing
Date: Wed, 21 May 2014 11:25:23 +0200
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

On 21.05.14 11:17, Peter Maydell wrote:
On 21 May 2014 08:51, Paolo Bonzini <address@hidden> wrote:
Il 21/05/2014 05:54, Alexey Kardashevskiy ha scritto:


We recently discovered that not entire QEMU is GPL2-compatible, the fpu
emulation has a different license (copied below) which might create legal
problems because of that "INDEMNIFY" statement.

Does anyone else care (except IBM)?

What would the proper solution be? Ask the creator to relicense it under
GPL? I failed to find a contact as the homepage on berkeley.edu is
restricted. Rewrite the code? This code is used in FPU emulation for TCG,
is that the only use of it? If it should not get called for KVM, that
be a temporary band-aid for us :)


The following people haven't acked the relicensing of their contributions
from softfloat-2b to softfloat-2a or GPLv2+ yet:

Fabrice Bellard <address@hidden>
Some float-to-int conversions, comparisons, chs, abs.

Trivial bulk change of 'flag' and 'char' return types to 'int'.

Jocelyn Mayer
uint64_to_float32() and uint64_to_float64() would need
redoing -- the rest have been completely rewritten or deleted.

Thiemo Seufer's parents (Stefan said he'd contact them)
SNAN_BIT_IS_ONE support.

Trivial fixes to a few busted prototypes.

Also SNAN_BIT_IS_ONE support.

fc81ba5 is changes to code which has been deleted since.

I think we could, if we had to, rewrite those pieces. It would
be nice if we could at least get an ack from Fabrice though.

Yeah - Fabrice, could you please take a quick minute and take a look at this and possibly ack the original patch?


Thanks a lot!


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