i tried latest qemu on illumos based platform Intel 64bit with SPARC64 boot and i can see:
root@infra-99-016:/myshare/builds2/sparc# ./qemu-system-sparc64 -cdrom OpenIndiana_Text_SPARC.iso -boot d -m 2048 -hda hda.img -nographic
OpenBIOS for Sparc64
Configuration device id QEMU version 1 machine id 0
kernel cmdline
CPUs: 1 x SUNW,UltraSPARC-IIi
UUID: 00000000-0000-0000-0000-000000000000
Welcome to OpenBIOS v1.1 built on Jun 20 2014 22:57
Type 'help' for detailed information
Trying cdrom:f...
Not a bootable ELF image
Not a bootable a.out image
Loading FCode image...
Loaded 7120 bytes
entry point is 0x4000
Ignoring failed claim for va 10db4ec memsz 19!
Ignoring failed claim for va 1000000 memsz 1276ce!
Ignoring failed claim for va 1402000 memsz 346ca!
Ignoring failed claim for va 1800000 memsz 67750!
Jumping to entry point 0000000001007ad8 for type 0000000000000001...
switching to new context: entry point 0x1007ad8 stack 0x00000000ffe8aa09
warning:interpret: exception -13 caught
interpret warning @ warning off : sync %tl-c %tstate h# 18672e0 x! %g1 h# 18672e8 x! %g2 h# 18672f0 x! %g3 h# 18672f8 x! %g4 h# 1867300 x! %g5 h# 1867308 x! %g6 h# 1867310 x! %g7 h# 1867318 x! %o0 h# 1867320 x! %o1 h# 1867328 x! %o2 h# 1867330 x! %o3 h# 1867338 x! %o4 h# 1867340 x! %o5 h# 1867348 x! %o6 h# 1867350 x! %o7 h# 1867358 x! %tl-c %tpc h# 1867360 x! %tl-c %tnpc h# 1867368 x! %y h# 1867370 l! %tl-c %tt h# 1861618 x! sync ; warning ! failed with error ffffffffffffffed
OpenIndiana Build glasgall_oi_151a_prestable8 64-bit (illumos 7256a34efe)
SunOS Release 5.11 - Copyright 1983-2010 Oracle and/or its affiliates.
All rights reserved. Use is subject to license terms.
DEBUG enabled
spacex@:interpret: exception -13 caught
interpret h# d constant MMU_PAGESHIFT h# 0 constant TTE8K h# 20 constant SFHME_SIZE h# 0 constant SFHME_TTE h# 8 constant HMEBLK_TAG h# 0 constant HMEBLK_NEXT h# 2c constant HMEBLK_MISC h# 38 constant HMEBLK_HME1 h# 8 constant NHMENTS h# 7 constant HBLK_SZMASK h# 10 constant HBLK_RANGE_SHIFT h# 8 constant HMEBP_HBLK h# 1 constant HMEBLK_ENDPA h# 20 constant HMEBUCKET_SIZE h# 0 constant HTAG_SFMMUPSZ h# d constant HTAG_BSPAGE_SHIFT h# a constant HTAG_REHASH_SHIFT h# 3ff constant SFMMU_INVALID_SHMERID h# 3 cmisc/forthdebug (467615 bytes) could not find debugger-vocabulary-hook>threads:interpret: exception -13 caught
interpret \ ident "%Z%%M% %I% %E% SMI"
\ Copyright 2005 Sun Microsystems, Inc. All rights reserved.
\ Use is subject to license terms.
\
\ CDDL HEADER START
\
\ The contents of this file are subject to the terms of the
\ Common Development and Distribution License, Version 1.0 only
\ (the "License"). You may not use this file except in compliance
\ with the License.
\
\ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
\ See the License for loaded
(Can't load tod module) EXIT