Subject: Re: port-i386/1936
To: Mike Long <email@example.com>
From: Rafal Boni <firstname.lastname@example.org>
Date: 01/16/1996 18:52:43
In message <9601161531.AA05387@cthulhu>, you write:
-> >From: Jason Thorpe <email@example.com>
-> >>Synopsis: autoconfig "*" wildcards aren't supported for ISA devices
-> >Seems to me that we shouldn't even get to the compile stage. If I
-> >understand it right, config(8) won't let you "*" a device if it's
-> >qualified with "needs-count" in files*, contrasted with "needs-flag" or
-> >nothing which does.
-> >So, if we don't particularly care about having foo.h, why not create a
-> >"no-star" (I'll be damned if I can remember exactly what Torek called the
-> >action of "starring" a device in his autoconfiguration paper...). That
-> >way we can avoid these configuration mistakes (and cryptic panic
-> >messages) before we even get the kernel compiled.
-> He called it cloning, I believe. If a 'no-clone' option is defined,
-> then it should be applied to the ISA bus instead of the individual
-> devices. The inability to use cloned devices is a limitation of the
-> ISA bus, not of ISA devices. There is no way to find *all* of the
-> devices on an ISA bus, as there is with a 'real' bus like PCI. :-)
The thing you need to watch out for here is EISA devices, since
they're currently entered in the config file as "xx* at isa?".
Thus, if I've got 3 3c509 cards on an EISA bus, I should be able
to say "ep* at eisa?". However, until the eisa code is (re?)done,
we can't really do this.
Rafal Boni firstname.lastname@example.org
Software Engineer, Internet Products Division Banyan Systems, Inc.
(All opinions are my own) 17 N.E. Exec. Park, Burlington, MA 01803