| 摘要 |
PURPOSE:To reduce the overhead of an address conversion storage, by converting an address of a virtual computer to an address of a real storage by use of information of a computer discriminating field of the address conversion storage and its partial address space field. CONSTITUTION:If an entry holding the same value as a key signal 4512 exists in a computer field 702 and a partial address space field 703, values of its validity field 701 and a page frame field 704 are read out, and a validity signal 705 and a page fram signal 706 are obtained. When this signal 705 is ''1'', a gate G is opened, and the signal 706 is obtained as an output of the gate G and as a page frame signal 707. Subsequently, an address RMS of a real main storage is generated by the signal 707, and an address signal of an output of an address part 503 in a page of a logical address VM500, following the execution of a program on a virtual computer, is set to a real main storage address register 800, and is applied as an address signal to a real main storage 2. |
