[OpenBIOS] Apple's BootX

[Jd Lyons]

> On Jan 29, 2018, at 7:04 PM, Jd Lyons via OpenBIOS <openbios at openbios.org> wrote:
> 
> 
> 
>> On Jan 28, 2018, at 9:00 AM, BALATON Zoltan <balaton at eik.bme.hu <mailto:balaton at eik.bme.hu>> wrote:
>> 
>> On Sun, 28 Jan 2018, Jd Lyons wrote:
>>> Did you patch Openbios to support the 7447a?
>>> 
>>> If not you’re likely getting the unknown PVR message, and Openbios will halt.
>> 
>> No I haven't but it did not seem to get to where it would check the PVR so that may not matter.-- 
>> OpenBIOS                 http://openbios.org/ <http://openbios.org/>
>> Mailinglist:  http://lists.openbios.org/mailman/listinfo <http://lists.openbios.org/mailman/listinfo>
>> Free your System - May the Forth be with you
> 
> Seems 7445/7450 emulation is incomplete, if you want to run the 7447a in TCG mode you’ll have to patch it to point to a working CPU.
> 
> IE:
> 
>     POWERPC_DEF("7447a_v1.0",    CPU_POWERPC_74x7A_v10,              7445,
>                 "PowerPC 7447A v1.0 (G4)")
>     POWERPC_DEF("7457a_v1.0",    CPU_POWERPC_74x7A_v10,              7455,
>                 "PowerPC 7457A v1.0 (G4)")
>     POWERPC_DEF("7447a_v1.1",    CPU_POWERPC_74x7A_v11,              7445,
>                 "PowerPC 7447A v1.1 (G4)")
>     POWERPC_DEF("7457a_v1.1",    CPU_POWERPC_74x7A_v11,              7455,
>                 "PowerPC 7457A v1.1 (G4)")
>     POWERPC_DEF("7447a_v1.2",    CPU_POWERPC_74x7A_v12,              7445,
>                 "PowerPC 7447A v1.2 (G4)")
>     POWERPC_DEF("7447a_v1.5",    CPU_POWERPC_74x7A_v15,              7445,
>                 "PowerPC 7447A v1.5 (G4)")
>     POWERPC_DEF("7457a_v1.2",    CPU_POWERPC_74x7A_v12,              7455,
>                 "PowerPC 7457A v1.2 (G4)”)
> TO:
> 
> 
>     POWERPC_DEF("7447a_v1.0",    CPU_POWERPC_74x7A_v10,              7410,
>                 "PowerPC 7447A v1.0 (G4)")
>     POWERPC_DEF("7457a_v1.0",    CPU_POWERPC_74x7A_v10,              7455,
>                 "PowerPC 7457A v1.0 (G4)")
>     POWERPC_DEF("7447a_v1.1",    CPU_POWERPC_74x7A_v11,              7410,
>                 "PowerPC 7447A v1.1 (G4)")
>     POWERPC_DEF("7457a_v1.1",    CPU_POWERPC_74x7A_v11,              7455,
>                 "PowerPC 7457A v1.1 (G4)")
>     POWERPC_DEF("7447a_v1.2",    CPU_POWERPC_74x7A_v12,              7410,
>                 "PowerPC 7447A v1.2 (G4)")
>     POWERPC_DEF("7447a_v1.5",    CPU_POWERPC_74x7A_v15,              7410,
>                 "PowerPC 7447A v1.5 (G4)")
>     POWERPC_DEF("7457a_v1.2",    CPU_POWERPC_74x7A_v12,              7455,
>                 "PowerPC 7457A v1.2 (G4)")
> -- 
> OpenBIOS                 http://openbios.org/
> Mailinglist:  http://lists.openbios.org/mailman/listinfo
> Free your System - May the Forth be with you

Ok, with a little help for Paul at the kvm-ppc mailing list, it seems the issue maybe that the BootX or more likely mach_kernel it trying to write something to or probe for an L3 cache.


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