Qemu/OpenBIOS Sparc64 system emulation progress

[Blue Swirl]

Hi,

Current versions of Qemu (with the attached PCI patch) and OpenBIOS
get this far:
OpenBIOS for Sparc64
boot arg = 0x0

00000000-08000000
RAM 128 MB
forth started.
initializing memory...done
Initializing PCI devices...
0:0.0 - 108e:a000 - /pci/pci108e,a000 - host
0:1.0 - 108e:5000 - /pci/pci108e,5000 - pci
0:1.1 - 108e:5000 - /pci/pci108e,5000 - pci
0:2.0 - 1013:b8 - /pci/pci1013,b8 - display
0:3.0 - 10ec:8029 - /pci/pci10ec,8029 - ethernet
0:4.0 - 1095:646 - /pci/pci1095,646 - ide
floppy_init
FDC is a S82078B
floppy_reset
floppy_motor_off
SENSEI 20 00
status = 80, reply_buffer= 20 0
fdc_specify
FD_SPECIFY(c1, 11)
set_drive status = 80, new_dor = 10
floppy_recalibrate
fdc_state.version = 0062
invalid nvram partition length
nvram error detected, zapping pram
falling off...
Unhandled Exception 0x0000000000000008
PC = 0x0000000000000008 NPC = 0x000000000000000c
Stopping execution

For some reason some C functions do not get called from Forth, so the
booting does not start and execution falls off the main function.

The PCI patch is just a quick hack to get PCI probing succeed, I won't
commit it in yet.