$ cat /var/run/dmesg.boot
console is /virtual-devices@100/console@1
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
Copyright (c) 1995-2020 OpenBSD. All rights reserved.
https://www.OpenBSD.org
OpenBSD 6.7-current (GENERIC.MP) #443: Thu Aug 13 17:08:34 MDT 2020
deraadt@sparc64.openbsd.org:/usr/src/sys/arch/sparc64/compile/GENERIC.MP
real mem = 8589934592 (8192MB)
avail mem = 8411496448 (8021MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root: SPARC T4-1
cpu0 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu1 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu2 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu3 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu4 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu5 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu6 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu7 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu8 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu9 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu10 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu11 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu12 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu13 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu14 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
cpu15 at mainbus0: SPARC-T4 (rev 0.0) @ 2847.862 MHz
"reboot-memory" at mainbus0 not configured
vbus0 at mainbus0
"flashprom" at vbus0 not configured
vrng0 at vbus0
cbus0 at vbus0
vdsk0 at cbus0 chan 0x2: ivec 0x4, 0x5
scsibus1 at vdsk0: 1 targets
sd0 at scsibus1 targ 0 lun 0: <SUN, Virtual Disk, 1.1>
sd0: 16384MB, 512 bytes/sector, 33554432 sectors
vdsk1 at cbus0 chan 0x3: ivec 0x6, 0x7
scsibus2 at vdsk1: 1 targets
sd1 at scsibus2 targ 0 lun 0: <SUN, Virtual Disk, 1.1>
sd1: 32768MB, 512 bytes/sector, 67108864 sectors
vnet0 at cbus0 chan 0x4: ivec 0x8, 0x9, address 00:14:4f:f9:2e:01
vcons0 at vbus0: ivec 0x8011: console
vrtc0 at vbus0
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
bootpath: /virtual-devices@100,0/channel-devices@200,0/disk@0,0
root on sd0a (02b098092e8ec53a.a) swap on sd0b dump on sd0b