On Sat, 27 Jan 2018, Jd Lyons via OpenBIOS wrote:
Welcome to OpenBIOS v1.1 built on Jan 22 2018 11:12
0 > boot hd:10,\ppc\bootx >> switching to new context:
Mac OS X Loader depthbytes isn't unique. rowbytes isn't unique. FILL-RECTANGLE isn't unique. Opening partition [/pci@f2000000/mac-io@c/ata-3@20000/disk@0:10]... HFSInitPartition: 2fc5b254 Loading HFS+ file: [\com.apple.Boot.plist] from 2fc5b254. setting boot-uuid to: CF9C6A60-A576-362A-A46B-5CF31493B8F0 non-root file owner detected: 501 non-root file owner detected: 501 non-root file owner detected: 501 non-root file owner detected: 501 non-root file owner detected: 501 non-root file owner detected: 501 non-root file owner detected: 501 non-root file owner detected: 501 non-root file owner detected: 501 Reading HFS+ file: [\mach_kernel] from 2fc5b254. setting boot-uuid to: CF9C6A60-A576-362A-A46B-5CF31493B8F0 non-root file owner detected: 501 Loading HFS+ file: [\System\Library\Caches\com.apple.kernelcaches\kernelcache.D57A14F7] from 2fc5b254.
Call Kernel! FailToBoot: 6 ENTER
So maybe you're looking for the problem at the wrong place when debugging BootX. It says it has transferred execution to the loaded kernel and it's the kernel which failed. Does the kernel version you're trying to boot support this CPU type at all?
Regards, BALATON Zoltan