Version 2 with some more tweaks this now starts but drops in a Serial Test Manager (see below) presumably because some POST step is failing, I let others who know more about this machine figure out what's missing from here.
Regards, BALATON Zoltan 1 :pci_update_mappings_add d=0x55a1bb6254a0 00:01.0 0,0xf3000000+0x80000 1 pci_cfg_read grackle 00:0 @0x0 -> 0x21057 1 pci_cfg_read grackle 00:0 @0xa8 -> 0x0 1 pci_cfg_write grackle 00:0 @0xa8 <- 0x40e0c 1 pci_cfg_read grackle 00:0 @0xac -> 0x0 1 pci_cfg_write grackle 00:0 @0xac <- 0x12000000 1 pci_cfg_read grackle 00:0 @0xac -> 0x12000000 1 pci_cfg_write grackle 00:0 @0xac <- 0x2000000 1 pci_cfg_read grackle 00:0 @0x70 -> 0x0 1 pci_cfg_write grackle 00:0 @0x70 <- 0x11000000 1 machine_id_read(0, 2) 1 pci_cfg_read grackle 00:0 @0x8 -> 0x6000140 1 pci_cfg_read grackle 00:0 @0xf0 -> 0x0 1 pci_cfg_write grackle 00:0 @0xf0 <- 0x12900000 1 machine_id_read(0, 2) 1 portA_write unimplemented 1 CUDA: unknown command 0x22 1 CUDA: unknown command 0x26 3 CUDA: unknown command 0x25 1 pci_cfg_write grackle 00:0 @0x80 <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0x88 <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0x90 <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0x98 <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0x84 <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0x8c <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0x94 <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0x9c <- 0xffffffff 1 pci_cfg_write grackle 00:0 @0xa0 <- 0x0 1 pci_cfg_read grackle 00:0 @0xf0 -> 0x12900000 1 pci_cfg_write grackle 00:0 @0xf0 <- 0x12900000 1 machine_id_read(0, 2) 1 pci_cfg_read grackle 00:0 @0x8 -> 0x6000140 1 pci_cfg_read grackle 00:0 @0xf0 -> 0x12900000 1 pci_cfg_write grackle 00:0 @0xf0 <- 0x12940000 1 pci_cfg_write grackle 00:0 @0xf0 <- 0x12940000 1 pci_cfg_write grackle 00:0 @0xf4 <- 0x40010fe4 1 pci_cfg_write grackle 00:0 @0xf8 <- 0x7302293 1 pci_cfg_write grackle 00:0 @0xfc <- 0x25302220 1 pci_cfg_read grackle 00:0 @0xa0 -> 0x0 1 pci_cfg_write grackle 00:0 @0xa0 <- 0x67000000 1 pci_cfg_read grackle 00:0 @0xf0 -> 0x12940000 1 pci_cfg_write grackle 00:0 @0xf0 <- 0x129c0000 550755 Unassigned mem read 00000000f3014020 1 1 >? 1 *************************************** 1 * * 1 * Serial Test Manager * 1 * * 1 *************************************** 1 1 T) Execute a test, single test number follows command 1 T0) Run ROM Checksum Test 1 T1) Run Address Line Test 1 T2) Run Data Line Test 1 T3) Run Simple RAM Test 1 T4) Run Mod3 Forward Test 1 T5) Run Mod3 Reverse Test 1 T6) Run NVRAM Test 1 T8) Run AddrPattern Test 1 T9) Run NTAWord Test 1 A) Execute all ROM-based tests 1 Q) Quick test 1 X) Exit STM (Continue booting) 1 ?) Print this menu 1 1 > BALATON Zoltan (5): mac_oldworld: Allow loading binary ROM image mac_oldworld: Add machine ID register grackle: Set revision in PCI config to match hardware mac_oldworld: Rename ppc_heathrow_reset reset to ppc_heathrow_cpu_reset mac_oldworld: Map macio to expected address at reset hw/pci-host/grackle.c | 2 +- hw/ppc/mac.h | 12 +++++++++ hw/ppc/mac_oldworld.c | 59 +++++++++++++++++++++++++++++++++---------- 3 files changed, 59 insertions(+), 14 deletions(-) -- 2.21.3