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IODTPlatformExpert
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IODTPlatformExpert

  • Subject: IODTPlatformExpert
  • From: "apic | puredarwin.org" <email@hidden>
  • Date: Thu, 10 May 2007 18:57:06 +0200
Hello, 

I posted my matter 2 days ago on darwin-dev without any result, maybe someone here can help me out with this.

I hoped to find someone here who could answer me a question regarding IOKit, specificly IOPlatformExpert and IODTPlatformExpert. I would be happy if someone could explain me the diffrence and what changed during the time to it. I was specificly looking at the IOACPIFamily.kext and saw one fo the main changes from 3 to ver. 6 was that this superclass was changed within it. Is it possible to explain me why?

here is the code snip in question:

new version:
#define super IODTPlatformExpert
OSDefineMetaClassAndAbstractStructors( IOACPIPlatformExpert,
                                       IODTPlatformExpert )

old version:
#define super IOPlatformExpert
OSDefineMetaClassAndAbstractStructors( IOACPIPlatformExpert,
                                       IOPlatformExpert )

I would be happy with any help on that. I suppose this has to do with somehting changed in the past versions of kernel but I am not sure with it. I went through sources of darwin and cold not find any significant change which would require this. 

thanks in advance and kind regards,

apic
puredarwin.org
 

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