[OpenBIOS] [PATCH] escc.c: add empty ranges property to escc and escc-legacy nodes

Mark Cave-Ayland mark.cave-ayland at ilande.co.uk
Fri Apr 15 18:30:56 CEST 2016

On 15/04/16 17:22, Programmingkid wrote:

> On Apr 15, 2016, at 12:13 PM, Mark Cave-Ayland wrote:
>> On 15/04/16 16:48, Programmingkid wrote:
>>> I tried out your patch using Mac OS 10.2.8 and the beige g3 target. I didn't notice any difference while booting with and without your patch. What is the exact version of Mac OS 10.2 you are using?
>> That's a good question - I can't tell unless there is a file on the CD
>> which specifically states the version?
> After you have booted to the desktop, click on the Apple menu and select "About this Mac". It will tell you in the window that opens up. Oh, you are using a CD. I was testing with an installation of Mac OS 10.2.8.

Yeah. For some unhelpful reason, all of the menus are disabled in the
installer which makes it hard to see exactly which version is being
installed without running through the entire process :(

>>> This message is displayed with and without your patch:
>>> AppleSCCSerial: Failed to create Tx DMA interupt event source!
>> Is that just a warning, or is a fatal error that prevents booting into
>> the installer?
> Just a warning. Someone said it isn't necessary to have DMA support for ESCC to boot Mac OS 9 and it doesn't hurt Mac OS X, so I guess it will not be fixed. Unless someone has a need for the ESCC.

Okay as long as you still get a successful 10.2 boot then that's fine
for the moment. I'll commit the patch now and then get the QEMU OpenBIOS
images updated soon.



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