From owner-freebsd-hackers Wed Nov 5 12:47:28 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id MAA06953 for hackers-outgoing; Wed, 5 Nov 1997 12:47:28 -0800 (PST) (envelope-from owner-freebsd-hackers) Received: from ns.mt.sri.com (SRI-56K-FR.mt.net [206.127.65.42]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id MAA06944 for ; Wed, 5 Nov 1997 12:47:21 -0800 (PST) (envelope-from nate@rocky.mt.sri.com) Received: from rocky.mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by ns.mt.sri.com (8.8.7/8.8.7) with ESMTP id NAA06688; Wed, 5 Nov 1997 13:46:27 -0700 (MST) Received: (from nate@localhost) by rocky.mt.sri.com (8.7.5/8.7.3) id NAA20675; Wed, 5 Nov 1997 13:46:24 -0700 (MST) Date: Wed, 5 Nov 1997 13:46:24 -0700 (MST) Message-Id: <199711052046.NAA20675@rocky.mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Terry Lambert Cc: tony@dell.com (Tony Overfield), jamil@trojanhorse.ml.org, hackers@freebsd.org Subject: Re: >64MB In-Reply-To: <199711051858.LAA14121@usr02.primenet.com> References: <3.0.3.32.19971105020626.006da974@bugs.us.dell.com> <199711051858.LAA14121@usr02.primenet.com> X-Mailer: VM 6.29 under 19.15 XEmacs Lucid Sender: owner-freebsd-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk Terry Lambert writes: > > The bootloader already makes the "64 MB limited" BIOS call and sends > > this value to the kernel, but for some strange reason, the kernel > > tosses that value away in favor of the sometimes bogus CMOS value. > > Using this BIOS call's result instead of tossing it would resolve > > my complaint about the CMOS groping. Uhh, no. From i386/i386/machdep.c: /* * Warn if the official BIOS interface disagrees with the RTC * interface used above about the amount of base memory or the * amount of extended memory. Prefer the BIOS value for the base * memory..... So, we're definitely preferring the BIOS's value for the case of extended memory. Nate