Comment 11 for bug 1723914

Pior to commit 8b9f2118ca40b1de72d8f75b59a5fb4d347a69f7 ("ppc64: set MSR_SF bit"), qemu-system-ppc64 was not setting the 64-bit mode bit in MSR.

Applying it on top of qemu 2.5 from Ubuntu 16.04.04, makes kvm-unit-tests happy.

muriloo@jaspion1:~/sources/ubuntu$ dpkg-source -x qemu_2.5+dfsg-5ubuntu10.24.dsc
muriloo@jaspion1:~/sources/ubuntu$ cd qemu-2.5+dfsg/
muriloo@jaspion1:~/sources/ubuntu/qemu-2.5+dfsg$ patch -p1 < ~/sources/qemu/0001-ppc64-set-MSR_SF-bit.patch
patching file target-ppc/translate_init.c
Hunk #1 succeeded at 9581 (offset -122 lines).
muriloo@jaspion1:~/sources/ubuntu/qemu-2.5+dfsg$ ./configure --target-list=ppc64-softmmu && make -j$(nproc)
muriloo@jaspion1:~/sources/ubuntu/qemu-2.5+dfsg$ cd ~/sources/kvm-unit-tests/build/
muriloo@jaspion1:~/sources/kvm-unit-tests/build$ ../configure --endian=little && make -j$(nproc)
muriloo@jaspion1:~/sources/kvm-unit-tests/build$ sudo QEMU=/home/muriloo/sources/ubuntu/qemu-2.5+dfsg/ppc64-softmmu/qemu-system-ppc64 TESTNAME=emulator TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
[sudo] password for muriloo:
timeout -k 1s --foreground 90s /home/muriloo/sources/ubuntu/qemu-2.5+dfsg/ppc64-softmmu/qemu-system-ppc64 -nodefaults -machine pseries,accel=kvm -bios powerpc/boot_rom.bin -display none -serial stdio -kernel powerpc/emulator.elf -smp 1 # -initrd /tmp/tmp.Tanwa3UNM4
PASS: emulator: 64bit: detected
PASS: emulator: invalid: exception
PASS: emulator: lswx: alignment
PASS: emulator: lswi: alignment
SUMMARY: 4 tests

EXIT: STATUS=1