Monitor exclusive instruction

Monitoring circuitry 36 monitors one or more events indicative of a potential update to data associated with any of a monitored set of addresses, and makes accessible to software executing on the processing circuitry 22 a monitoring reporting indication indicative of whether any events has occurred...

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1. Verfasser:	Matthew James Horsnell
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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creator	Matthew James Horsnell
description	Monitoring circuitry 36 monitors one or more events indicative of a potential update to data associated with any of a monitored set of addresses, and makes accessible to software executing on the processing circuitry 22 a monitoring reporting indication indicative of whether any events has occurred for at least one of the monitored set of addresses. In response to decoding of an exclusive status setting instruction specifying a given address, the processing circuitry 22 sets an exclusive status associated with the given address. The exclusive status is cleared in response to detecting an event indicative of a conflicting memory access to the given address. In response to decoding of a monitor exclusive instruction, the processing circuitry 22: determines whether the exclusive status is associated with a target address, and if so allocates the target address to be one of the monitored set of addresses.
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In response to decoding of an exclusive status setting instruction specifying a given address, the processing circuitry 22 sets an exclusive status associated with the given address. The exclusive status is cleared in response to detecting an event indicative of a conflicting memory access to the given address. In response to decoding of a monitor exclusive instruction, the processing circuitry 22: determines whether the exclusive status is associated with a target address, and if so allocates the target address to be one of the monitored set of addresses.</description><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220803&DB=EPODOC&CC=GB&NR=2603167A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220803&DB=EPODOC&CC=GB&NR=2603167A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Matthew James Horsnell</creatorcontrib><title>Monitor exclusive instruction</title><description>Monitoring circuitry 36 monitors one or more events indicative of a potential update to data associated with any of a monitored set of addresses, and makes accessible to software executing on the processing circuitry 22 a monitoring reporting indication indicative of whether any events has occurred for at least one of the monitored set of addresses. In response to decoding of an exclusive status setting instruction specifying a given address, the processing circuitry 22 sets an exclusive status associated with the given address. The exclusive status is cleared in response to detecting an event indicative of a conflicting memory access to the given address. 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In response to decoding of an exclusive status setting instruction specifying a given address, the processing circuitry 22 sets an exclusive status associated with the given address. The exclusive status is cleared in response to detecting an event indicative of a conflicting memory access to the given address. In response to decoding of a monitor exclusive instruction, the processing circuitry 22: determines whether the exclusive status is associated with a target address, and if so allocates the target address to be one of the monitored set of addresses.</abstract><oa>free_for_read</oa></addata></record>
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
title	Monitor exclusive instruction
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