Date: Sat, 24 Apr 1999 19:02:15 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp> Cc: peter@netplex.com.au, current@freebsd.org Subject: Re: singed short to unsigned long conversion problem in isa.c Message-ID: <Pine.BSF.4.05.9904241900410.28665-100000@herring.nlsystems.com> In-Reply-To: <19990425003653V.kato@gneiss.eps.nagoya-u.ac.jp>
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On Sun, 25 Apr 1999, KATO Takenori wrote: > Doug Rabson <dfr@nlsystems.com> wrote: > > > It needs to be signed since the value -1 is used to indicate no port > > resources. Perhaps it would be better to change it to 'int' instead of > > 'u_short'. > > Oops, I didn't realize this case. > > The assumption that an I/O port address is lower than 0x8000 is OK for > IBM-PC's ISA-bus, but PC98 can use hiher addresses for ISA-bus like > bus. I understand. I think the best thing is to store the port address as an int. I don't think there is a need to fork the file into a pc98 version. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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