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Method and apparatus for using a memory region to pass parameters between a run time environment and SMM handler

  • US 7,178,014 B2
  • Filed: 09/04/2002
  • Issued: 02/13/2007
  • Est. Priority Date: 09/04/2002
  • Status: Expired due to Fees
First Claim
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1. A computer system comprising:

  • a memory coupled to a bus, the memory mapped according to a predetermined specification;

    a device controller coupled to the bus; and

    a basic input-output system (BIOS) coupled to the bus, the BIOS having a device support component to provide support for a device using a portion of a defined region of the memory to maintain and pass parameters when a SMM handler is invoked from an ACPI ASL code.

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