System and method for virtualizing basic input/output system (BIOS) including BIOS run time services
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United States of America Patent
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Apr 18, 2006
Issued Date -
N/A
app pub date -
May 2, 2003
filing date -
May 2, 2003
priority date (Note) -
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Abstract
A system and method to virtualize BIOS, including run time services. A processing system has a processor, a memory system with a predefined physical address space, a storage medium, and a communication medium between the processor and the storage medium. The processing system is operable in a pre-execution environment in which a specified portion of the physical address space is used to map basic input/output system (BIOS) run time service routines. The specified portion contains RAM memory. A BIOS virtualization system includes an image of the BIOS processor-executable instructions on the storage medium and processor-executable instructions that retrieve the BIOS image from the storage medium and store the BIOS image into the RAM memory mapped into the second specified portion of physical address space.
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