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Date:      Sat, 5 Jan 2002 17:54:10 +1100 (EST)
From:      Bruce Evans <bde@zeta.org.au>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        <cvs-committers@FreeBSD.org>, <cvs-all@FreeBSD.org>
Subject:   RE: cvs commit: src/sys/boot/i386/libi386 bootinfo.c
Message-ID:  <20020105175020.J23461-100000@gamplex.bde.org>
In-Reply-To: <XFMail.020104141340.jhb@FreeBSD.org>

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On Fri, 4 Jan 2002, John Baldwin wrote:

> On 04-Jan-02 Bruce Evans wrote:
> > I thought that RB_CDROM was only set by the old bootblocks.  Bootblocks
> > that are less than 2 years old should set vfs.root.mountfrom to
> > <vfsname>[:<path>], and not shoot their foot off by setting deprecated
> > flags.
>
> Well, that's a bit tricky.  In the loader, all I know is that the BIOS cd cd0 is
> _some_ CD device.  I don't know which device.  It could be cd4 or acd0 to the
> kernel.  I'm not sure how best to go about that. :(

The kernel knows even less :-).  It uses the hard-coded list with only the
cd0a, acd0a and wcd0a devices in it.  Unfortunately, the environment
variable is limited to a single device.

Bruce


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