DE69903707T2 - Optimierte Hardware-Reinigungsfunktion für einen Daten-Cache-Speicher mit virtuellen Indizes und Tags - Google Patents

Optimierte Hardware-Reinigungsfunktion für einen Daten-Cache-Speicher mit virtuellen Indizes und Tags

Info

Publication number
DE69903707T2
DE69903707T2 DE69903707T DE69903707T DE69903707T2 DE 69903707 T2 DE69903707 T2 DE 69903707T2 DE 69903707 T DE69903707 T DE 69903707T DE 69903707 T DE69903707 T DE 69903707T DE 69903707 T2 DE69903707 T2 DE 69903707T2
Authority
DE
Germany
Prior art keywords
tags
data cache
cleaning function
optimized hardware
hardware cleaning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69903707T
Other languages
English (en)
Other versions
DE69903707D1 (de
Inventor
Gerard Chauvel
Serge Lasserre
Inverno Dominique D
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments France SAS
Texas Instruments Inc
Original Assignee
Texas Instruments France SAS
Texas Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments France SAS, Texas Instruments Inc filed Critical Texas Instruments France SAS
Application granted granted Critical
Publication of DE69903707D1 publication Critical patent/DE69903707D1/de
Publication of DE69903707T2 publication Critical patent/DE69903707T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0804—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with main memory updating

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
DE69903707T 1999-02-18 1999-02-18 Optimierte Hardware-Reinigungsfunktion für einen Daten-Cache-Speicher mit virtuellen Indizes und Tags Expired - Lifetime DE69903707T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99400396A EP1030243B1 (de) 1999-02-18 1999-02-18 Optimierte Hardware-Reinigungsfunktion für einen Daten-Cache-Speicher mit virtuellen Indizes und Tags
US09/447,194 US6606687B1 (en) 1999-02-18 1999-11-22 Optimized hardware cleaning function for VIVT data cache

Publications (2)

Publication Number Publication Date
DE69903707D1 DE69903707D1 (de) 2002-12-05
DE69903707T2 true DE69903707T2 (de) 2003-07-10

Family

ID=29271938

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69903707T Expired - Lifetime DE69903707T2 (de) 1999-02-18 1999-02-18 Optimierte Hardware-Reinigungsfunktion für einen Daten-Cache-Speicher mit virtuellen Indizes und Tags

Country Status (4)

Country Link
US (1) US6606687B1 (de)
EP (1) EP1030243B1 (de)
JP (1) JP2000242556A (de)
DE (1) DE69903707T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7472230B2 (en) 2001-09-14 2008-12-30 Hewlett-Packard Development Company, L.P. Preemptive write back controller
EP1313014B1 (de) * 2001-11-15 2010-03-03 Texas Instruments France Unterbrechbare und wiederaufnehmbare Instruktion zum Säubern eines Segments eines Cache-Speichers
GB0207296D0 (en) * 2002-03-28 2002-05-08 Koninkl Philips Electronics Nv Method and appartus for context switching in computer operating systems
DE602004025556D1 (de) * 2004-06-08 2010-04-01 Freescale Semiconductor Inc Aufrechterhaltung der Cachespeicherkoherenz zum direkten Zugriff (DMA), Abschluss einer Aufgabe, zur Synchronisierung
US7606363B1 (en) 2005-07-26 2009-10-20 Rockwell Collins, Inc. System and method for context switching of a cryptographic engine
GB0516474D0 (en) * 2005-08-10 2005-09-14 Symbian Software Ltd Pre-emptible context switching in a computing device
US7802055B2 (en) * 2006-04-19 2010-09-21 Qualcomm Incorporated Virtually-tagged instruction cache with physically-tagged behavior
CN102197381A (zh) * 2008-10-28 2011-09-21 Nxp股份有限公司 用于可拆卸装置的具有高速缓存和接口的数据处理电路
FR2956913B1 (fr) * 2010-03-01 2012-04-20 Sagem Defense Securite Procede de sequencement deterministe multitache
US9195598B2 (en) 2012-06-08 2015-11-24 International Business Machines Corporation Synchronous and asynchronous discard scans based on the type of cache memory
US9336150B2 (en) 2012-06-08 2016-05-10 International Business Machines Corporation Performing asynchronous discard scans with staging and destaging operations
US9208099B2 (en) 2012-08-08 2015-12-08 International Business Machines Corporation Adjustment of the number of task control blocks allocated for discard scans
US9176892B2 (en) 2013-01-22 2015-11-03 International Business Machines Corporation Performing staging or destaging based on the number of waiting discard scans
US10318436B2 (en) * 2017-07-25 2019-06-11 Qualcomm Incorporated Precise invalidation of virtually tagged caches

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307477A (en) * 1989-12-01 1994-04-26 Mips Computer Systems, Inc. Two-level cache memory system
JP2839060B2 (ja) * 1992-03-02 1998-12-16 インターナショナル・ビジネス・マシーンズ・コーポレイション データ処理システムおよびデータ処理方法
US5515522A (en) * 1994-02-24 1996-05-07 Hewlett-Packard Company Coherence index generation for use by an input/output adapter located outside of the processor to detect whether the updated version of data resides within the cache
US5664150A (en) * 1995-03-21 1997-09-02 International Business Machines Corporation Computer system with a device for selectively blocking writebacks of data from a writeback cache to memory
EP0784819A1 (de) * 1995-06-08 1997-07-23 International Business Machines Corporation Cachespeicherflushmechanismus für einen cachespeicher auf zweiter stufe
US6341324B1 (en) * 1995-10-06 2002-01-22 Lsi Logic Corporation Exception processing in superscalar microprocessor
US5809560A (en) * 1995-10-13 1998-09-15 Compaq Computer Corporation Adaptive read-ahead disk cache
JPH09223118A (ja) * 1996-02-14 1997-08-26 Oki Electric Ind Co Ltd スヌープキャッシュメモリ制御システム
US5915262A (en) * 1996-07-22 1999-06-22 Advanced Micro Devices, Inc. Cache system and method using tagged cache lines for matching cache strategy to I/O application
FR2778254B1 (fr) * 1998-04-29 2002-02-15 Texas Instruments France Circuits,systemes et procedes d'ordinateur utilisant un nettoyage partiel d'une memoire cache
US6115777A (en) * 1998-04-21 2000-09-05 Idea Corporation LOADRS instruction and asynchronous context switch
US6397302B1 (en) * 1998-06-18 2002-05-28 Compaq Information Technologies Group, L.P. Method and apparatus for developing multiprocessor cache control protocols by presenting a clean victim signal to an external system
US6412043B1 (en) * 1999-10-01 2002-06-25 Hitachi, Ltd. Microprocessor having improved memory management unit and cache memory

Also Published As

Publication number Publication date
EP1030243A1 (de) 2000-08-23
EP1030243B1 (de) 2002-10-30
JP2000242556A (ja) 2000-09-08
US6606687B1 (en) 2003-08-12
DE69903707D1 (de) 2002-12-05

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