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Is the parameter of ULONG READ_REGISTER_ULONG virtual address or physical address?(WDF) RRS feed

  • Question

  • ULONG READ_REGISTER_ULONG( _In_ PULONG Register );

    If I want to read my PCI hardware,the parameter PULONG Register should be virtual address

    or pysical address?(WDF)

    Thank you very much!

    Thursday, May 14, 2015 2:45 AM

Answers

  • virtual. You very rarely deal directly with physical addresses.

    d -- This posting is provided "AS IS" with no warranties, and confers no rights.

    Thursday, May 14, 2015 3:11 AM

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