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> bo -a
APbus Primary Boot Program
APbus Full Boot Program (0x83e00000-0x83e153df)
: scsi(0,0)/netbsd
text_start=0x80001000, data_start=0x80091db0, entry=0x80001000
.text:  address=0x80001000-0x80091daf, size=593328  
.rodata:        address=0x80091db0-0x8009c94f, size=43936  
.reginfo                :       address=0x8009c950-0x8009c967, size=24  
.data:  address=0x8009d970-0x800a295f, size=20464  
.sdata: address=0x800a2960-0x800a299f, size=64  
.sbss:  address=0x800a29a0-0x800a299f, size=0   
.bss:   address=0x800a29a0-0x800bc60f, size=105584   
.mdebug:        address=0x800bc604-0x80102593, size=286608  
0xbe950000
x_maxmem = 03f00000
seg set
kernend = 800bd000
bzero done
uvm_setpagesize done
mips vector init done
mips_init_proc0 done
readidrom done
pmap_bootstrap...
pmap_bootstrap_done
Copyright (c) 1996, 1997, 1998, 1999
    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 1.4 (MISAKI) #59: Thu Jun 24 14:14:14 JST 1999
    ryo@moveq:/src/news5000/sys/arch/newsmips/compile/MISAKI
real mem  = 008
avail mem = 004
using 002 buffers containing 002 bytes of memory
mainbus0 (root)
cpu0 at mainbus0: cpu0: MIPS R4400 CPU Rev. 0.0 with MIPS R4010 FPC Rev. 0.0
cpu0: L1 cache: 006kb/002b Instruction, 006kb/006b Data, direct mapped
cpu0: L2 cache: unknown size/004b mixed, no snooping
boot device: <unknown>
root device:  
root device:  
use one of: halt
root device: 
use one of: halt
root device: 
use one of: halt
root device: 
use one of: halt
root device: 
use one of: halt
root device: aaaa
use one of: halt
root device: halt
syncing disks... done
halted.

** Syscall **
cause=0x00000020, status=0x00400002, badvaddr=0xc0000088, epc=0xa0001b20
Begin trace back...
            pc=0xa0001b20, sp=0x800bed70
called from pc=0xa008cce8, sp=0x800bed70
called from pc=0xa008ce58, sp=0x800bed88
called from pc=0xa0014228, sp=0x800beda0
called from pc=0xa00140e4, sp=0x800bede0
called from pc=0xa00138b8, sp=0x800bee10
called from pc=0xa008c078, sp=0x800beef0
called from pc=0xa0007864, sp=0x800bef10
called from pc=0xa0001084, sp=0x800bef50
> 

なんか思いのほか進んだぞ。ちゃんと halt までしてる。
locore_machdep.s が news3400 のままなので変な syscall で ROM モニタに落ちてるけど...

** Syscall ** ってのは NEWS5000 の ROM モニタが出してるメッセージだな。
うわわわ〜〜ん。でもここまで動いたよ。うれしー。

ってよく見ると avail mem とかむちゃくちゃな値やな