[OpenBIOS] openbios support for netboot? (qemu-system-sparc32/solaris)

[Joe Dery]

Intrepid openBIOS developers,
Though not new news, thank you for providing an openBIOS that is able to
boot solaris in qemu-system-sparc32!   While I am able to disk boot (with
qcow2 image containing ufs filesystems), but would prefer to serve as much
of my guest filesystem from NFS as possible.  Netboot allows a 'diskless'
system, so that is the most extreme case, but I'm open to other
suggestions.

Does OpenBIOS 1.1 (eg the snapshot attached to QEMU GIT HEAD as of last
Friday) support boot net:rarp, boot net:dhcp, or any other more manual
method of providing the kernel&parameters?  I haven't been able to find
this in the documentation or code so I imagine it does not.

PS - FWIW this is the command line I am presently using for a 'disk0'
boot.  Note that the tftp/bootfile do not do anything, but I included them
as an example based on the other qemu documentation.

qemu/sparc-softmmu/qemu-system-sparc \
  -net nic,macaddr=00:03:BA:04:A5:AD -net
user,hostfwd=tcp::8023-:23,hostfwd=tcp::5911-:5911,tftp=/tftpboot,bootfile=inetboot.sun4m
\
  -hda sol8_36G.disk.install \
  -nographic -serial telnet:0.0.0.0:3000,server \
  -m 256

PPS Mark Cave-Ayland, it appears you're active on this list.  Thanks again
for your help (now years ago!) fixing the MUTEX_HELD & related problems in
2.6.... the current GIT still runs clean.   I have not really worked with
QEMU since ~2.6, around that time I picked up a SunBlade 1000, which is
supported by the old kernel I need, and is able to run the (mostly CC
compile) workloads an order of magnitude faster.  QEMU remains interesting
for applications requiring less performance, e.g. lmgrd license server.
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