专利名称：INTERRUPTION INFORMATION SAVE DEVICE有趣的一件事作文
滑炒鸡丝发明人：KISHI TAKAO
申请号：JP26847485
香甜八宝饭申请日：19851128
公开号：JPS62127951A
公开日：
19870610
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摘要：PURPOSE:To decide the size of a gment of a virtual address space without being affected by interruption information due to the execution of one instruction trace by writing the interruption information attended by one instruction trace in an absolute address space and writing other interruption information in a virtual address. CONSTITUTION:The interruption information in executing one instruction trace is saved to an absolute address space not managed by the operating system. That is, an address accessing a memory 5 is stored in a register 3 and whether an absolute address space 6 or a virtual address space 7 is accesd by using said address depends on a D flag 2 and a signal 12 reprenting the end of the instruction. When a signal reprenting the end of the instruction is '0', a gate 8 is opened and an address stored in the register 3 is paged by a paging circuit 4 to access the virtual access space 7. On the other hand, when the signal 12 reprenting the end of one instruction is '1' and the D flag 2 is t, a gate 9 is opened and the paging circuit 4 is bypasd and the absolute address 6 is accesd.
ppt讲义申请人：NEC CORP
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