Re: topdown-vm for sun2/sun3

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

chuq wrote:

> the attached patch enables __USE_TOPDOWN_VM for sun2 and sun3.
> I've tested only on a sun3/60.  sun3x should be fine since doesn't
> use PMAP_PREFER(), and I just applied the same change to sun2.
> does anyone see any problem with this?

6.99.16 on sun3/80 works fine (as expected).

Probably we should want 3/260 (which has VA cache),
but I wonder if anyone still keep it...

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EEPROM boot device... sd(0,0,0) 
Boot: sd(0,0,0) 
>> NetBSD/sun3 ufsboot [1.13 (Mon Aug 13 10:03:23 JST 2012)]
ufsboot: trying netbsd
1816700+104468 [174480+160426]=0x2270b0
starting program at 0x4000
console is ttya
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 6.99.16 (GENERIC3X) #109: Sat Feb  2 23:56:22 JST 2013
        tsutsui@mirage:/usr/src/sys/arch/sun3/compile/GENERIC3X
Model: sun3x 80
fpu: mc68882
total memory = 65536 KB
avail memory = 62168 KB
mainbus0 (root)
obio0 at mainbus0
iommu0 at obio0 addr 0x60000000
memerr0 at obio0 addr 0x61001000 ipl 7: (Parity memory)
intreg0 at obio0 addr 0x61001400
zsc0 at obio0 addr 0x62000000 ipl 6: (softpri 3)
kbd0 at zsc0 channel 0: baud rate 1200
ms0 at zsc0 channel 1: baud rate 1200
zsc1 at obio0 addr 0x62002000 ipl 6: (softpri 3)
zstty0 at zsc1 channel 0 (console i/o)
zstty1 at zsc1 channel 1
eeprom0 at obio0 addr 0x64000000
clock0 at obio0 addr 0x640007f8 ipl 5: mk48t02
le0 at obio0 addr 0x65002000 ipl 3: address 08:00:20:07:c4:e6
le0: 8 receive buffers, 2 transmit buffers
dma0 at obio0 addr 0x66001000 ipl 2: rev 0
esp0 at obio0 addr 0x66000000 ipl 2: ESP100, 20MHz, SCSI ID 7
scsibus0 at esp0: 8 targets, 8 luns per target
fdc0 at obio0 addr 0x6e000000 ipl 6 vect 0x40: chip 82072
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
obmem0 at mainbus0
bwtwo0 at obmem0 addr 0x50300000 (1152x900)
enabling interrupts
scsibus0: waiting 2 seconds for devices to settle...
sd0 at scsibus0 target 0 lun 0: <FUJITSU, M1606S-512, 6237> disk fixed
sd0: 1041 MB, 3457 cyl, 6 head, 102 sec, 512 bytes/sect x 2131992 sectors
sd0: async, 8-bit transfers, tagged queueing
boot device: sd0a
root on sd0a dumps on sd0b
root file system type: ffs
Sat Feb  2 15:20:03 GMT 2013
Starting root file system check:
/dev/rsd0a: file system is clean; not checking
swapctl: adding /dev/sd0b as swap device at priority 0
Starting file system checks:
/dev/rsd0g: file system is clean; not checking
 :

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Izumi Tsutsui