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[Qemu-devel] OBP under qemu-system-sparc64


From: Artyom Tarasenko
Subject: [Qemu-devel] OBP under qemu-system-sparc64
Date: Wed, 14 Apr 2010 17:17:03 +0200

2010/4/3 Blue Swirl <address@hidden>:
> could be interesting to see what OBP
> from a real machine would think of the QEMU machine.

it doesn't live long enough to think something (must be something trivial):

$ sparc64-softmmu/qemu-system-sparc64 -bios u1_v3.11.1.bin -nographic
-cpu 'TI UltraSparc I' -d in_asm,int,cpu
--------------
IN:
0x000001fff0000020:  ldxa  [ %g0 ] (69), %g2
0x000001fff0000024:  stxa  %g0, [ %g0 ] (69)
0x000001fff0000028:  b,a   0x1fff0001d88

--------------
IN:
0x000001fff0001d88:  rdpr  %cwp, %g1
0x000001fff0001d8c:  wrpr  0, %cwp
0x000001fff0001d90:  wrpr  %g1, 0, %cwp
0x000001fff0001d94:  call  0x1fff0000210
0x000001fff0001d98:  add  %g0, %g0, %o0

--------------
IN:
0x000001fff0000210:  mov  0x1ff, %o1    ! 0x1ff
0x000001fff0000214:  sllx  %o1, 0x20, %o1
0x000001fff0000218:  sethi  %hi(0xf1300000), %o2
0x000001fff000021c:  or  %o2, %o1, %o2
0x000001fff0000220:  stba  %o0, [ %o2 ] (21)
0x000001fff0000224:  add  %o2, 4, %o2
0x000001fff0000228:  lduba  [ %o2 ] (21), %o1
0x000001fff000022c:  sllx  %o1, 8, %o0
0x000001fff0000230:  inc  %o2
0x000001fff0000234:  lduba  [ %o2 ] (21), %o1
0x000001fff0000238:  or  %o0, %o1, %o0
0x000001fff000023c:  sllx  %o0, 8, %o0
0x000001fff0000240:  inc  %o2
0x000001fff0000244:  lduba  [ %o2 ] (21), %o1
0x000001fff0000248:  or  %o0, %o1, %o0
0x000001fff000024c:  sllx  %o0, 8, %o0
0x000001fff0000250:  inc  %o2
0x000001fff0000254:  lduba  [ %o2 ] (21), %o1
0x000001fff0000258:  or  %o0, %o1, %o0
0x000001fff000025c:  retl
0x000001fff0000260:  nop

qemu: fatal: Trap 0x0032 while trap level (5) >= MAXTL (5), Error state
pc: 000001fff0000220  npc: 000001fff0000224

General Registers:
%g0-3: 0000000000000000 0000000000000007 0000000000000000 0000000000000000
%g4-7: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

Current Register Window:
%o0-3: 0000000000000000 000001ff00000000 000001fff1300000 0000000000000000
%o4-7: 0000000000000000 0000000000000000 0000000000000000 000001fff0001d94
%l0-3: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
%l4-7: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
%i0-3: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
%i4-7: 0000000000000000 0000000000000000 0000000000000000 0000000000000000

Floating Point Registers:
%f00: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f04: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f08: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f12: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f16: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f20: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f24: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f28: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f32: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f36: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f40: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f44: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f48: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f52: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f56: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
%f60: 000000000.000000 000000000.000000 000000000.000000 000000000.000000
pstate: 00000035 ccr: 00 (icc: ---- xcc: ----) asi: 00 tl: 5 pil: 0
cansave: 0 canrestore: 0 otherwin: 0 wstate: 0 cleanwin: 0 cwp: 7
fsr: 0000000000000000 y: 0000000000000000 fprs: 0000000000000000


Just in case, the properties of the real machine:
ok cd /
ok .properties
breakpoint-trap          0000007f
#size-cells              00000002
energystar-v2
model                    SUNW,501-2486
name                     SUNW,Ultra-1
clock-frequency          04f9f54d
banner-name              Sun Ultra 1 UPA/SBus (UltraSPARC 167MHz)
device_type              upa

ok cd /SUNW,UltraSPARC
ok .properties
manufacturer#            00 00 00 17
implementation#          00 00 00 10
mask#                    00 00 00 40
sparc-version            00 00 00 09
ecache-associativity     00 00 00 01
ecache-line-size         00 00 00 40
ecache-size              00 08 00 00
#dtlb-entries            00 00 00 40
dcache-associativity     00 00 00 01
dcache-line-size         00 00 00 20
dcache-size              00 00 40 00
#itlb-entries            00 00 00 40
icache-associativity     00 00 00 02
icache-line-size         00 00 00 20
icache-size              00 00 40 00
upa-portid               00000000
clock-frequency          09f3ea9a
reg                      000001c0 00000000 00000000 00000008
device_type              cpu
name                     SUNW,UltraSPARC


-- 
Regards,
Artyom Tarasenko

solaris/sparc under qemu blog: http://tyom.blogspot.com/




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