What is actually the closest sun4u model that qemu emulates? Since it's a pci one I gave Ultra-5's OBP a shot, but it also dies before the serial console is initialized:
$ sparc64-softmmu/qemu-system-sparc64 -bios /home/tyom/sparc/prom/u5_v3.19.4.bin -nographic -d in_asm,int,cpu #### skip unassigned mem access to 000001fff1000010 #### skip unassigned mem access to 000001fff1000014 #### skip unassigned mem access to 000001fff1710000 #### skip unassigned mem access to 000001fff1710004 #### skip unassigned mem access to 000001fff1710008 #### skip unassigned mem access to 000001fff1300398 #### skip unassigned mem access to 000001fff130015c #### skip unassigned mem access to 000001fff130002e <hang> -- Regards, Artyom Tarasenko solaris/sparc under qemu blog: http://tyom.blogspot.com/