This series makes various fixes for the -M 40p target. Particularly now it's possible to boot AIX 5.1 (both from a cdrom and a hard disk).
The OFW image: https://github.com/artyom-tarasenko/openfirmware/releases/download/20190406-AIX-boots/q40pofw-serial.rom The command line: qemu-system-ppc -M 40p -bios q40pofw-serial.rom -serial telnet::4441,server -hda aix-hdd.qcow2 -cdrom \ /path/to/aix-5.1-cd1.iso -vga none -nographic More info can be found here: https://tyom.blogspot.com/2019/04/aixprep-under-qemu-how-to.html Artyom Tarasenko (4): lsi53c895a: hide 53c895a registers in 53c810 40p and prep: implement PCI bus mastering target/ppc: improve performance of large BAT invalidations hw/isa/i82378.c: use 1900 as a base year hw/isa/i82378.c | 4 +++- hw/pci-host/prep.c | 15 +++++++++++---- hw/scsi/lsi53c895a.c | 31 ++++++++++++++++++++++++++----- target/ppc/mmu_helper.c | 7 +++++++ 4 files changed, 47 insertions(+), 10 deletions(-) -- 2.7.2