Store data buffer control system

Details Store data buffer control system Store data buffer control system

1979-04-26

1982-03-02

Shaw, Gareth D.

Boots, shoes, and leggings

371 12, 371 13, G06F 1300

Patent

active

043181724

ABSTRACT:
A data processing system using a store data buffer control device includes plural store data buffers and the data from a processor is temporarily stored in the store data buffers and then transferred to a memory. A shift register is used to trace the storing requests from the processor so that the storing requests re-executable in the instruction re-execution taking place at the time of a fault occurring are distinguished from the storing requests not re-executable in the same operation. The data held in the store data buffers corresponding to the re-executable requests is invalidated while the data held in the store data buffers corresponding to the non-re-executable requests is kept valid.

REFERENCES:
patent: 3422401 (1969-01-01), Lucking
patent: 3533082 (1970-10-01), Schnabel et al.
patent: 3564506 (1971-02-01), Bee et al.
patent: 3764986 (1973-10-01), Spademan et al.
patent: 4034347 (1977-07-01), Probert, Jr.
patent: 4112562 (1978-09-01), Scheuneman

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