Dynamic address translation with change record override

Dynamic address translation with change record override

A translation table entry contains a change recording override field for controlling whether a change bit is to be set on a store or not. Each 4K byte block of main storage has an associated storage key comprising a change bit. The change recording override field controls whether the change bit of t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SIEGEL TIMOTHY J, HELLER LISA C, PFEFFER ERWIN, GREINER DAN F, OSISEK DAMIAN L, WEBB CHARLES F
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A translation table entry contains a change recording override field for controlling whether a change bit is to be set on a store or not. Each 4K byte block of main storage has an associated storage key comprising a change bit. The change recording override field controls whether the change bit of the storage key associated with the desired 4K byte block of main storage is set to 1 for a store operation.