boot solaris 10 x86

qemu-system-sparc64 -M niagara -L F:\ISOS\OpenSPARCT1_Arch.1.5\S10image\ -nographic -m 256 -serial pipe:hola -drive if=pflash,readonly=on,file=F:\ISOS\OpenSPARCT1_Arch.1.5\S10image\disk.s10hw2
\\.\pipe\hola

http://download.oracle.com/technetwork/systems/opensparc/OpenSPARCT1_Arch.1.5.tar.bz2

https://wiki.qemu.org/Documentation/Platforms/SPARC#Compatibility

qemu-w64-setup-20180430.exe

http://tyom.blogspot.com/2016/10/qemu-sun4vniagara-target-went-public.html