Re: port-hp700/35531: iee0 does not work on 735/99

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

The following reply was made to PR port-hp700/35531; it has been noted by GNATS.

From: Nick Hudson <nick.hudson%gmx.co.uk@localhost>
To: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
Cc: gnats-bugs%netbsd.org@localhost,
 port-hp700-maintainer%netbsd.org@localhost,
 gnats-admin%netbsd.org@localhost,
 netbsd-bugs%netbsd.org@localhost,
 root%garbled.net@localhost
Subject: Re: port-hp700/35531: iee0 does not work on 735/99
Date: Tue, 5 May 2009 20:40:37 +0100

 On Tuesday 05 May 2009 19:29:56 Izumi Tsutsui wrote:
 > > All bus_dmamem_alloc memory is mapped uncacheable regardless of pmap, so
 > > I don't think this is the problem.
 >
 > Hmm, newer HPPA CPUs actually support uncacheable mappings?
 
 yeah, everything after PA-RISC 1.1b, iirc.
 
 >
 > BTW, my 735/125 have the following CPU:
 > ---
 > cpu0 at mainbus0 hpa 0xfffbe000 path 8 irq 31 ipl 0: PA7150 (T-Bird) rev 2
 > cpu0: PCX-T, PA-RISC 1.1b, lev 1, cat A, 125 MHz clk
 > cpu0: shadows, 256K/256K D/I caches, 120 shared TLB, 16 shared BTLB
 > cpu0: PCX-T (Rolex - CMOS-26B) floating point, rev 1
 > ---
 > but cpu_type returns 3 (hpcxl), not hpcxt. What's wrong?
 
 Something in sys/arch/hp700/hp700/machdep.c and/or sys/arch/hp700/dev/cpudevs?
 
 >
 > ---
 > Izumi Tsutsui
 
 Nick