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To: luoqi@watermarkgroup.com
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	luoqi@FreeBSD.org
Subject: Re:  cvs commit: src/sys/i386/isa aic6360.c aic_98.h
From: KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>
In-Reply-To: Your message of "Fri, 14 Jan 2000 09:24:46 -0500 (EST)"
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Luoqi Chen <luoqi@watermarkgroup.com> wrote:

> I remember there was once a discussion about how to handle pc98's bizarre
> ioport allocation under newbus. What's the final outcome of that discussion?

I posted the patch to some lists.  The patch does:
  1. change the type of bus_space_handle_t into the struct in PC-98
     source.
  2. Add new bus space tag, I386_BUS_SPACE_IND.

Warner told me that some drivers assumes that the type of
bus_space_handle_t is integer.  This makes it impossible to compile
some driver.  

I think this assumption should be fixed, but it may
require hard work.  I think following function can hide the problem:

  IBM-PC:
  inline void
  bus_simple_create_i386_io_map(bus_space_handle_t *bshp, u_int16_t port)
  {
  	*bshp = port;
  }

  PC-98:
  inline void
  bus_simple_create_i386_io_map(bus_space_handle_t *bshp, u_int16_t port)
  {
  	bshp->bsh_base = port;
  }

How about this?

-----------------------------------------------+--------------------------+
KATO Takenori <kato@ganko.eps.nagoya-u.ac.jp>  |        FreeBSD           |
Dept. Earth Planet. Sci, Nagoya Univ.          |    The power to serve!   |
Nagoya, 464-8602, Japan                        |  http://www.FreeBSD.org/ |
                                               |http://www.jp.FreeBSD.org/|
++++ FreeBSD(98) 3.3R-Rev. 01 available!       +==========================+


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