发明授权
US06324630B1 Method of processing a data move instruction for moving data between main storage and extended storage and data move instruction processing apparatus
失效
处理用于在主存储和扩展存储和数据移动指令处理装置之间移动数据的数据移动指令的方法
- 专利标题： Method of processing a data move instruction for moving data between main storage and extended storage and data move instruction processing apparatus
- 专利标题（中）： 处理用于在主存储和扩展存储和数据移动指令处理装置之间移动数据的数据移动指令的方法
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申请号： US09454592申请日： 1999-12-07
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公开(公告)号： US06324630B1公开(公告)日： 2001-11-27
- 发明人: Osamu Onodera
- 申请人： Osamu Onodera
- 优先权： JP6-072536 19940317; JP8-049955 19960307
- 主分类号： G06F1200
- IPC分类号： G06F1200
摘要：
A storage unit comprises a plurality of storage modules, each of which is dynamically assigned to and used as each area in a main storage (MS) or an extended storage (ES). The storage unit or a system controller has address arrays for MS and for ES which store information indicating which of the storage modules comprised in the storage unit each area in the MS and the ES corresponds to. When the contents of the MS/ES address arrays are rewritten to change a storage module belonging to the ES to a storage module belonging to the MS, a page-in operation is realized without executing an actual data move operation. Similarly, a page-out operation is realized without executing an actual data move operation by changing a storage module belonging to the MS to a storage module belonging to the ES.
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