Method for locking and unlocking a computer address

Details Method for locking and unlocking a computer address Method for locking and unlocking a computer address

1992-07-09

1994-01-04

Fleming, Michael R.

Boots, shoes, and leggings

364DIG1, 3642468, 3642616, 3642624, 3642632, 395725, G06F 1200

Patent

active

052768473

ABSTRACT:
A method for locking and unlocking a computer address is described. A separate instruction for locking is read. A first value is assigned to a flag to indicate that locking has been requested. An instruction that uses the address is executed. The address is locked such that the address can be accessed by the processor and not by any other processor. A separate instruction for unlocking is read. A second value is assigned to a flag to indicate that unlocking has been requested. A load instruction or a store instruction is executed. The address is unlocked such that the address can be accessed by the processor and by at least one other processor.

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