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Detecting AltiVec in kernel land
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Detecting AltiVec in kernel land

  • Subject: Detecting AltiVec in kernel land
  • From: Stephan <email@hidden>
  • Date: Wed, 10 Apr 2002 21:33:36 +0200
I'd like to use AltiVec code in my IOAudioFamily kext. How am I supposed to detect presence of an AltiVec engine? The user land Gestalt(gestaltPowerPCProcessorFeatures, &processorAttributes) function seems not to be available in kernel mode. Do I have to read the PVR register and use a feature lookup table? If so, where to find a Version->Feature table?

-Stephan
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