Date: Wed, 5 Nov 1997 13:46:24 -0700 (MST) From: Nate Williams <nate@mt.sri.com> To: Terry Lambert <tlambert@primenet.com> Cc: tony@dell.com (Tony Overfield), jamil@trojanhorse.ml.org, hackers@freebsd.org Subject: Re: >64MB Message-ID: <199711052046.NAA20675@rocky.mt.sri.com> In-Reply-To: <199711051858.LAA14121@usr02.primenet.com> References: <3.0.3.32.19971105020626.006da974@bugs.us.dell.com> <199711051858.LAA14121@usr02.primenet.com>
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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
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