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Date:      Tue, 18 Dec 2001 23:56:46 +0100 (MET)
From:      j@uriah.heep.sax.de (Joerg Wunsch)
To:        freebsd-current@freebsd.org
Cc:        arch@freebsd.org
Subject:   Re: Recent fdc(4) commit broke Alpha kernels
Message-ID:  <200112182256.fBIMuk001274@uriah.heep.sax.de>
References:  <20011218200918.A14073@sunbay.com> <XFMail.011218103539.jhb@FreeBSD.org> <20011218204720.B18124@sunbay.com>

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Ruslan Ermilov <ru@FreeBSD.ORG> wrote:

> Oops sorry, that was Joerg.

It's fixed now, although i'm still not convinces that using __i386__
is the right thing.  If our <machine/param.h> defines several
constants for _MACHINE_ARCH, they should all be distint for the
various machines.  As it seems now, all of them probably define the
same or whatever, so we end up in _MACHINE_ARCH@i386 ==
_MACHINE_ARCH@alpha == _MACHINE_ARCH@IA64 etc.  We could as well
delete those lines from <machine/param.h> then since they are pretty
useless in that case.  And no, MACHINE_ARCH (without the leading
underscore) cannot be used either since it defines a string constant
that can't be used in a cpp conditional.

Cc goes to arch@freebsd.org: what is the politically correct way to
distinguish a PC-type architecture (in that case one that uses a
PC-style RTC memory to store configuration information) from another
architecture that uses IA32 CPUs (like PC98, although they aren't
using /sys/isa/fd.c right now)?

-- 
cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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