From owner-freebsd-current Fri Apr 5 11: 3:23 2002 Delivered-To: freebsd-current@freebsd.org Received: from mass.dis.org (dhcp45-24.dis.org [216.240.45.24]) by hub.freebsd.org (Postfix) with ESMTP id B377137B41E; Fri, 5 Apr 2002 11:03:15 -0800 (PST) Received: from mass.dis.org (localhost [127.0.0.1]) by mass.dis.org (8.11.6/8.11.6) with ESMTP id g35J1eS06962; Fri, 5 Apr 2002 11:01:42 -0800 (PST) (envelope-from msmith@mass.dis.org) Message-Id: <200204051901.g35J1eS06962@mass.dis.org> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: Terry Lambert Cc: Andrew Gallatin , mjacob@feral.com, freebsd-current@freebsd.org, gibbs@freebsd.org Subject: Re: BUS_SPACE_MAXSIZE & isp driver. In-reply-to: Your message of "Thu, 04 Apr 2002 17:13:49 PST." <3CACFA4D.B04D49E4@mindspring.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 05 Apr 2002 11:01:40 -0800 From: Michael Smith Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > For ISA, this ends up being a 16M limit; I think the 2G limit > on Alpha is because the limit is 32 bits, but there is some > signed math that should be unsigned. No, Terry, it has to do with the PCI bridge's translation mapping hardware, and if we supported it (which we don't seem to) then the problem would all just go away. Please, give up with the guessing already. 8) -- To announce that there must be no criticism of the president, or that we are to stand by the president, right or wrong, is not only unpatriotic and servile, but is morally treasonable to the American public. - Theodore Roosevelt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message