[OpenBIOS] [PATCH 5/5] ppc: fix up IDE device tree and control transfer

[Programmingkid]

On Aug 20, 2015, at 3:20 PM, Cormac O'Brien wrote:

> On Thu, Aug 20, 2015 at 11:17 AM, Programmingkid
> <programmingkidx at gmail.com> wrote:
>> 
>> On Aug 19, 2015, at 5:48 PM, Mark Cave-Ayland wrote:
>> 
>>> On 19/08/15 22:45, Programmingkid wrote:
>>> 
>>>> On Aug 19, 2015, at 5:39 PM, Mark Cave-Ayland wrote:
>>>> 
>>>>> On 19/08/15 22:31, Programmingkid wrote:
>>>>> 
>>>>>> Would you know how to disable the RTAS? I want to test out these patches but no directions were given on how to disable the node.
>>>>> 
>>>>> Looks like you just missed my latest email - there should be no change
>>>>> required for the RTAS settings.
>>>> 
>>>> Ok. If you have tested Cormac's patches, do you see Mac OS 9 booting? I followed all the directions from his testing page and couldn't see anything that belongs to Mac OS 9. Here is the url: http://c-obrien.org/qemu-os9/testing/
>>>> 
>>>> I did my test on Mac OS X, so that could be the problem.
>>> 
>>> Yes I did have it working with the github macos9 branch and the Cormac's
>>> github upstream branch earlier in the week. Note that sometimes you can
>>> get a hang before the grey screen appears...
>>> 
>>> If you have a specific problem, reply to the thread on the mailing list
>>> and supply a link to a screenshot so other people can test.
>>> 
>> 
>> 
>> I have followed the directions twice from the testing page and have ended up with just this error message:
>> MacOS: unable to find a usable NVRAM partititon - using offset 0x1400.
>> 
>> I am building on Mac OS X, so that could be the problem.
> 
> That message is itself not an error, just informational -- OS 9 will
> reserve some memory to function as the missing NVRAM. It takes a
> varying amount of time to continue from there but it should be less
> than 10 seconds.

I let QEMU run for several minutes after the message and never saw anything else. I guess something is different with the Mac OS X build process that prevents Mac OS 9 from working.