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Vector transfer system generating address error exception when vector to be transferred does not start and end on same memory page

  • US 6,513,107 B1
  • Filed: 08/17/1999
  • Issued: 01/28/2003
  • Est. Priority Date: 08/17/1999
  • Status: Expired due to Term
First Claim
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1. A method of transferring vector data between a memory and a vector buffer in a computer system, the method comprising:

  • executing an application program;

    issuing a vector data transfer instruction from the application program to transfer the vector data from the memory to the vector buffer;

    determining the starting address of the vector data to be transferred;

    determining the ending address of the vector data to be transferred;

    determining whether the ending address of the vector data to be transferred is within the same virtual page as the starting address of the vector data in memory and generating an address error exception when the ending address of the vector data to be transferred is not within the same page of the memory as the starting address.

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