DETECTING BUS LOCKING CONDITIONS AND AVOIDING BUS LOCKS

DETECTING BUS LOCKING CONDITIONS AND AVOIDING BUS LOCKS

A processor may include a register to store a bus-lock-disable bit and an execution unit to execute instructions. The execution unit may receive an instruction that includes a memory access request. The execution may further determine that the memory access request requires acquiring a bus lock, and...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: THIYAGARAJAH, Arumugam, NEIGER, Gilbert, SHANBHOGUE, Vedvyas
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A processor may include a register to store a bus-lock-disable bit and an execution unit to execute instructions. The execution unit may receive an instruction that includes a memory access request. The execution may further determine that the memory access request requires acquiring a bus lock, and, responsive to detecting that the bus-lock-disable bit indicates that bus locks are disabled, signal a fault to an operating system.