Date: Thu, 29 Aug 2002 15:12:30 -0400 (EDT) From: "Matthew N. Dodd" <winter@jurai.net> To: John Baldwin <jhb@FreeBSD.ORG> Cc: new-bus@FreeBSD.ORG Subject: Re: Fixing ISA device probing Message-ID: <20020829150953.N788-100000@sasami.jurai.net> In-Reply-To: <XFMail.20020827163643.jhb@FreeBSD.org>
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On Tue, 27 Aug 2002, John Baldwin wrote: > Currently we have several types of ISA devices: > - Devices enumerated by the BIOS. Currently we have two types: those > enumerated by ACPI and those by the PNPBIOS. These two sets are > mutually exclusive. > - PnP ISA devices. > - ISA devices that only the user can tell us about (currently they can > use hints to tell us). We can also have devices that perform their own enumerated either by probing a list of possible IO addresses and retreiving their config from the card directly ('ex') or by performing a probe using an isolation protocol similar ISA PnP ('ep'). I won't get into destructive vs. non-destructive probes. -- | Matthew N. Dodd | '78 Datsun 280Z | '75 Volvo 164E | FreeBSD/NetBSD | | winter@jurai.net | 2 x '84 Volvo 245DL | ix86,sparc,pmax | | http://www.jurai.net/~winter | For Great Justice! | ISO8802.5 4ever | To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-new-bus" in the body of the message
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