| 摘要 |
PURPOSE:To efficiently execute the input/output instructions and the input/output interruption of a two VMs(virtual computers) with different architecture by executing the input/output instructions and the input/output interruption of the two VMs without interposing a control program(VMCP). CONSTITUTION:The computer is constituted of a main memory device 1000, a central processing unit 2000, an input/output processor 3000, an input/output controller 4000, and an input/output device 5000. And an OS in running is provided with first architecture for the input/output instruction of the first architecture issued by the OS, and when the input/output device 5000 to designate the input/output instruction is dedicated for the running OS, the input/output instruction is issued to the input/output device 5000, and when it is not dedicated for the running OS, it is indexed to the VMCP. In such a way, it is possible to execute the input/output instructions and the input/output interruption of the VMs with different architecture efficiently under a real computer.
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