Restoring processor context in response to processor power-up

  • US 8,140,872 B1
  • Filed: 06/10/2008
  • Issued: 03/20/2012
  • Est. Priority Date: 06/16/2000
  • Status: Active Grant
First Claim
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1. A method comprising:

  • executing, with a processor, a first instruction in an instruction set;

    subsequent to said executing and before executing a next instruction in said instruction set following said first instruction, and in response to detecting a command to remove a clock input from said processor, saving context information from said processor'"'"'s internal memory to a second memory and then removing power from said processor;

    in response to returning power to said processor, restoring said saved context information from said second memory to said internal memory before executing said next instruction; and

    subsequent to said restoring, executing said next instruction.

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