| 摘要 |
<p>This invention relates to a virtual computer system having an extended memory which permits the running of a plurality of operating systems (OS) on one computer having main memory and at least one extended memory and which includes at least one virtual main memory which permits each of the plurality of OSs to reside on main memory, at least one virtual extended memory (virtual ES) residing on the extended memory, a first convertor for reading a virtual physical ES address on the virtual extended memory corresponding to the virtual ES address from a virtual ES address on the virtual space of the virtual ES designated by one of the plurality of OSs and from an address inside a relocation table for the extended memory on the virtual main memory of one OS or inside a register of a computer, and a second convertor for generating a physical ES address on the physical extended memory corresponding to the virtual physical address from a virtual physical ES address and from the start address at the physical ES on at least one extended memory on which the virtual ES of one OS always reside.</p> |
