Method for restarting execution interrupted due to page fault in

Details Method for restarting execution interrupted due to page fault in Method for restarting execution interrupted due to page fault in

1986-10-14

1989-06-20

Shaw, Gareth D.

Boots, shoes, and leggings

371 13, 3642653, 364265, G06F 1200

Patent

active

048414395

ABSTRACT:
The present application invention relates to a method for restarting execution of an instruction interrupted due to a page fault. When a page fault occurs during an execution of an instruction, the pertinent page is loaded from an external storage into the main memory and then the access which has caused the page fault is executed again. After N steps of the microprogram that has executed the page fault access, the page fault exception processing is initiated and at the save/restore operation of the content of the microprogram counter, the content of the microprogram is decremented by N, thereby restarting the execution of the instruction beginning from the step of the microprogram which has achieved the page fault access.

REFERENCES:
patent: 3555517 (1971-01-01), Heath, Jr. et al.
patent: 3736566 (1973-05-01), Anderson et al.
patent: 4045661 (1977-08-01), Antoine et al.
patent: 4110822 (1978-08-01), Porter et al.

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