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Date:      Tue, 11 Jan 2011 16:41:14 +0100
From:      Alexander Leidinger <Alexander@Leidinger.net>
To:        "J.R. Oldroyd" <fbsd@opal.com>
Cc:        freebsd-multimedia@freebsd.org, emulation@freebsd.org
Subject:   Re: FYI: v4l-linuxulator support in FreeBSD-current now
Message-ID:  <20110111164114.19105rvus8aj7jk8@webmail.leidinger.net>
In-Reply-To: <20110111092609.7bf82016@shibato.opal.com>
References:  <20091204223126.00005392@unknown> <201001081650.14189.hselasky@c2i.net> <20100108114130.1cfe88c5@shibato.opal.com> <201101110947.46399.hselasky@c2i.net> <20110111092609.7bf82016@shibato.opal.com>

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Quoting "J.R. Oldroyd" <fbsd@opal.com> (from Tue, 11 Jan 2011 09:26:09 -0500):

> This patch merely flips the cmd bits.

As Andrew is doing this on amd64 (and casting to a l_XXX type), it  
could be that he is flipping the data into the visible range and then  
cutting it down to 32 bit.

> I'm not familiar with the Linux DVB ioctls... is it really the case
> that none of the data structures have 32/64-bit architecture dependent
> field sizes?  Great if that's the case, but if not, we need to do
> data structure conversions here too, as we did for V4L.

I am already in the process of discussing this with Andrew. I do not  
think the details are important so far for emulation@, but if someone  
wants to participate in the discussion...

Bye,
Alexander.

Bye,
Alexander.

-- 

http://www.Leidinger.net    Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org       netchild @ FreeBSD.org  : PGP ID = 72077137



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