Hello, Grab the images under :
https://github.com/legoater/qemu-ppc-boot/tree/main/buildroot/qemu_ppc64_pseries_p5p-2021.11-730-g4f325ce788-20220104 and run with : qemu-system-ppc64 -M pseries -cpu POWER5+ -m 1G -smp 2 -kernel ./vmlinux -append "root=/dev/sda" -drive file=./rootfs.ext2,if=scsi,index=0,format=raw -device spapr-vlan,netdev=net0 -netdev user,id=net0 -serial mon:stdio -nographic -nodefaults CPU 970, 970MP are also well supported. Virtio devices and USB should be avoided because SLOF would use a 'stdbrx' instruction (cpu_to_le64 helper) which is invalid under POWER5+ and 970 CPUs. SLOF needs to be compiled with -mcpu=power5 to fix this issue. Thanks, C. Cédric Le Goater (2): target/ppc: Add popcntb instruction to POWER5+ processors spapr: Fix support of POWER5+ processors hw/ppc/spapr.c | 10 ++++++---- target/ppc/cpu_init.c | 1 + 2 files changed, 7 insertions(+), 4 deletions(-) -- 2.31.1
