术语 | nooperation memory protect |
释义 | nooperation memory protect 存储器保护空操作;[记忆器保护无作业指令] A special procedure developed to protect the contents of specific sections of storage from alternation by inhibiting the execution of any type of memory modification instruction upon detection of the presence of a guard bit associated with the accessed memory location. Such instructions which access protected memory are most often executed as a no operation or a special violation program interrupt is generated. 为保护存储器特定区段中的内容而采用的一种特殊措施。当检测到与被访问存 储单元相联系的保护位时,禁止执行任何企图修改其中的存储内容的指令。当产生空操作 或特殊的非法程序中断时,经常要执行这种访问,保护存储器的指令。 |
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