svn commit: r312910 - in head: . etc/etc.pc98 etc/rc.d lib/libsysdecode libexec release release/doc release/doc/en_US.ISO8859-1/hardware release/doc/en_US.ISO8859-1/readme release/doc/share/example...

[Slawa Olhovchenkov]

On Wed, Feb 01, 2017 at 08:59:40AM -0800, John Baldwin wrote:

> On Wednesday, February 01, 2017 01:35:56 PM Slawa Olhovchenkov wrote:
> > On Tue, Jan 31, 2017 at 02:46:23PM -0800, John Baldwin wrote:
> > 
> > > On Tuesday, January 31, 2017 03:33:55 PM Warner Losh wrote:
> > > > On Tue, Jan 31, 2017 at 3:20 PM, John Baldwin <jhb at freebsd.org> wrote:
> > > > > On Saturday, January 28, 2017 02:22:15 AM Takahashi Yoshihiro wrote:
> > > > >> Author: nyan
> > > > >> Date: Sat Jan 28 02:22:15 2017
> > > > >> New Revision: 312910
> > > > >> URL: https://svnweb.freebsd.org/changeset/base/312910
> > > > >>
> > > > >> Log:
> > > > >>   Remove pc98 support completely.
> > > > >>   I thank all developers and contributors for pc98.
> > > > >>
> > > > >>   Relnotes:   yes
> > > > >
> > > > > BTW, my impression was that there are some other device drivers
> > > > > that are effectively PC-98 only (e.g. everything that uses scsi_low.c)
> > > > > but they might have pccard attachments for use with PC-98 laptops?
> > > > >
> > > > > Perhaps Warner might know?
> > > > >
> > > > > It seems stg(4) had PCI variants, but nsp(4), ncv(4), and stg(4)
> > > > > all came from NetBSD/pc98 via PAO.
> > > > 
> > > > These all work correctly on any PC Card machine. The only reason they
> > > > came in this way was because these devices were original marketed only
> > > > in Japan. I've used all these cards with external SCSI drives in the
> > > > past.
> > > > 
> > > > As far as I know, only the if_snc driver, which was removed, is truly
> > > > pc98 specific. It is wired in such a way that cannot be used in ibm-at
> > > > compatible laptops.  IIRC, it had hard-wired memory decode lines that
> > > > landed in the middle of the VGA graphics pages or BIOS low memory
> > > > areas. I have one of these cards still, and it will be detected on my
> > > > laptops, but can't work due to the required mappings.
> > > > 
> > > > Now, there's an different question about whether it is time to retire
> > > > some of the now-ancient SCSI cards from the system, but that's a
> > > > different kettle of fish that's larger than just nsp, ncv and stg.
> > > 
> > > Fair enough.  I haven't fully put away my 12 axe and am toying with
> > > dropping any ISA-only storage and NIC drivers (and perhaps pccard-only
> > > as well in that case).  Hardware that wants to use ISA/pccard for
> > > storage is probably happier running 4.x anyway.  One question is if we
> > > should drop ISA attachments in that case for drivers that support PCI
> > > and ISA.  However, there's a fair list of ISA-only adapters that would
> > > be a good place to start anyway.  One concern is to not drop any drivers
> > 
> > ps/2 keyboard, mouse, touchpads, lm sensors, etc?...
> 
> Those aren't storage or NICs.  There are many "legacy" device still present
> in modern systems that we obviously have to support.  However, if you have
> an ISA Adapter SCSI HBA in an ISA slot, the machine running that is probably
> happier running 4.x than 12.0.

My be I am missread, I think removed ISA bus and all devices attached
to ISA bus.