[openbeos] Re: binary middle ground
- From: Zenja Solaja <solaja@xxxxxxxxxx>
- To: openbeos@xxxxxxxxxxxxx
- Date: Thu, 13 Sep 2001 08:24:45 +1000
I'd recommend you check up on the BeBook one of these days. BeOS too =
uses
modules and addons, which is where the BFS driver lives.=20
> -----Original Message-----
> From: revol@xxxxxxx [SMTP:revol@xxxxxxx]
> Sent: Thursday, September 13, 2001 8:46 AM
> To: openbeos@xxxxxxxxxxxxx
> Subject: [openbeos] Re: binary middle ground
>=20
>=20
> > Well, everyone in my current house, all former ex-Be engineers,
> > know how big the BeOS source code is (5 million lines of code,
> > give or take 1 million).
>=20
> hmmm... I'll need to make some room on my HDD :)))
>=20
>=20
> > Do I have to say more?
> I won't ask you any password. But I wouldn't mind if... :-D
>=20
> Btw, let's put some serious stuff in that mail.
> Some thoughts about the bfs kernel integration:
>=20
> It's true that the kernel needs enough knowledge of the layout to =
load the
> bfs=20
> driver. Btw we don't have many choices here. Either we use static =
drivers,
> then=20
> we don't have problems, but we have to rebuild the kernel, either we =
use=20
> dynamicaly loaded drivers (which is more in use these days, just look =
at=20
> Linux), but we need a minimal static bfs driver anyway. Linux's =
approach
> is a=20
> bit different, since it uses modules (=3D dynamicaly loaded drivers), =
but
> also
> static drivers, for ones that are needed at boot-time (like ext2fs). =
This
> is=20
> done like that in Linux because of the history: since everyone has =
the
> source,
> everyone can recompile it. But since the BeOS kernel historically is
> closed.
> Since we want to make it open-source, nothing prevent us now from =
using
> the=20
> Linux model, though it maybe not the most apropriate.
>=20
> One other possibility Linux has is the initial ramdisk (initrd), =
which in
> fact=20
> is a primary root filesystem (boot, since Linux doesn't use a =
pseudo-fs
> for /),
> that is used to load drivers that are needed at boot-time but are
> available as=20
> modules, and also most of the time to setup the ISA PnP (maybe not =
with
> the=20
> last kernels). Anyway the initrd still has to be found somewhere on =
the
> disk,=20
> so we still need a minimal fs.
>=20
> Yeah, it's the chicken-and-egg problem :)
> just like the key to open the door is behind the door :-(
>=20
> Fran=E7ois.
>=20
>=20
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