I have just compiled a few version from source code:
4.1.1 worked: able to boot up with -bios ss20_v2.25.rom
5.0.0 worked: able to boot up with -bios ss20_v2.25.rom
5.1.0 not working. Stuck after "Power-On Reset"
SS5.bin worked for 5.1.0
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You received this bug notification because you
Public bug reported:
I cannot boot up OBP using the current (5.1) version of qemu with
ss20_v2.25_rom. It just stuck at "Power-ON reset" and hanged. However
using the previous version from 2015 I can successfully both up the OBP.
qemu-system-sparc -M SS-20 -m 256 -bios ss20_v2.25.rom -nographic