GB2535249A - Memory access by dual processor systems - Google Patents

Memory access by dual processor systems Download PDF

Info

Publication number
GB2535249A
GB2535249A GB1509869.2A GB201509869A GB2535249A GB 2535249 A GB2535249 A GB 2535249A GB 201509869 A GB201509869 A GB 201509869A GB 2535249 A GB2535249 A GB 2535249A
Authority
GB
United Kingdom
Prior art keywords
processor
data
threshold
tracking
memory
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.)
Withdrawn
Application number
GB1509869.2A
Other languages
English (en)
Other versions
GB201509869D0 (en
Inventor
Singh Abhijeet
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.)
Qualcomm Technologies International Ltd
Original Assignee
Cambridge Silicon Radio Ltd
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 Cambridge Silicon Radio Ltd filed Critical Cambridge Silicon Radio Ltd
Publication of GB201509869D0 publication Critical patent/GB201509869D0/en
Publication of GB2535249A publication Critical patent/GB2535249A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
    • G06F13/1652—Handling requests for interconnection or transfer for access to memory bus based on arbitration in a multiprocessor architecture
    • G06F13/1663—Access to shared memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
    • G06F9/526—Mutual exclusion algorithms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
    • G06F11/3024—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a central processing unit [CPU]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3055—Monitoring arrangements for monitoring the status of the computing system or of the computing system component, e.g. monitoring if the computing system is on, off, available, not available
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computing Systems (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Multi Processors (AREA)
GB1509869.2A 2014-12-02 2015-06-08 Memory access by dual processor systems Withdrawn GB2535249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/558,147 US9720861B2 (en) 2014-12-02 2014-12-02 Memory access by dual processor systems

Publications (2)

Publication Number Publication Date
GB201509869D0 GB201509869D0 (en) 2015-07-22
GB2535249A true GB2535249A (en) 2016-08-17

Family

ID=53785083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1509869.2A Withdrawn GB2535249A (en) 2014-12-02 2015-06-08 Memory access by dual processor systems

Country Status (10)

Country Link
US (1) US9720861B2 (cg-RX-API-DMAC7.html)
EP (1) EP3227782B1 (cg-RX-API-DMAC7.html)
JP (1) JP2017537392A (cg-RX-API-DMAC7.html)
KR (1) KR20170129674A (cg-RX-API-DMAC7.html)
CN (1) CN107111577B (cg-RX-API-DMAC7.html)
BR (1) BR112017011658A2 (cg-RX-API-DMAC7.html)
CA (1) CA2965826A1 (cg-RX-API-DMAC7.html)
DE (1) DE102015111270A1 (cg-RX-API-DMAC7.html)
GB (1) GB2535249A (cg-RX-API-DMAC7.html)
WO (1) WO2016089628A1 (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6360387B2 (ja) * 2014-08-19 2018-07-18 ルネサスエレクトロニクス株式会社 プロセッサシステム、エンジン制御システム及び制御方法
CN114253729B (zh) * 2021-12-23 2025-05-09 上海商米科技集团股份有限公司 适用于pos机双处理器间的通信系统、方法和装置
CN118915955A (zh) * 2023-05-08 2024-11-08 芯翼信息科技(上海)有限公司 Flash存储器的控制方法、装置、设备及存储介质

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132157A2 (en) * 1983-07-18 1985-01-23 Data General Corporation Data processing system having dual processors
US5845130A (en) * 1996-09-11 1998-12-01 Vlsi Technology, Inc. Mailbox traffic controller
US5875342A (en) * 1997-06-03 1999-02-23 International Business Machines Corporation User programmable interrupt mask with timeout
WO2004003759A1 (en) * 2002-06-27 2004-01-08 Nazomi Communicatons, Inc. Application processors and memory architecture for wireless applications
US7130951B1 (en) * 2002-04-18 2006-10-31 Advanced Micro Devices, Inc. Method for selectively disabling interrupts on a secure execution mode-capable processor
GB2458499A (en) * 2008-03-20 2009-09-23 Cambridge Silicon Radio Ltd Sharing access to a data store by a host processor and a signal processor in a mobile phone
WO2010042131A1 (en) * 2008-10-07 2010-04-15 Hemisphere Gps Llc Gnss receiver and external storage device system and gnss data processing method

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH052529A (ja) * 1991-06-24 1993-01-08 Iwaki Electron Corp Ltd フラツシユ・メモリのアクセス方法及びその回路
US6161162A (en) * 1993-12-08 2000-12-12 Nec Corporation Multiprocessor system for enabling shared access to a memory
US5918248A (en) * 1996-12-30 1999-06-29 Northern Telecom Limited Shared memory control algorithm for mutual exclusion and rollback
US6012121A (en) 1997-04-08 2000-01-04 International Business Machines Corporation Apparatus for flexible control of interrupts in multiprocessor systems
US6393590B1 (en) * 1998-12-22 2002-05-21 Nortel Networks Limited Method and apparatus for ensuring proper functionality of a shared memory, multiprocessor system
JP2001216284A (ja) * 1999-11-25 2001-08-10 Denso Corp 電子制御装置
JP2005215924A (ja) * 2004-01-29 2005-08-11 Dainichi Co Ltd 制御装置の通信方法および制御装置
US7685354B1 (en) * 2004-06-30 2010-03-23 Sun Microsystems, Inc. Multiple-core processor with flexible mapping of processor cores to cache banks
US7873776B2 (en) * 2004-06-30 2011-01-18 Oracle America, Inc. Multiple-core processor with support for multiple virtual processors
JP2006323617A (ja) * 2005-05-19 2006-11-30 Fujitsu Ten Ltd メモリ管理方法及びメモリ管理装置
KR100772841B1 (ko) * 2006-07-28 2007-11-02 삼성전자주식회사 프로세서들간 호스트 인터페이싱 기능을 갖는 멀티패쓰억세스블 반도체 메모리 장치
US7617403B2 (en) * 2006-07-26 2009-11-10 International Business Machines Corporation Method and apparatus for controlling heat generation in a multi-core processor
US7680909B2 (en) 2007-03-21 2010-03-16 Ittiam Systems (P) Ltd. Method for configuration of a processing unit
US8191073B2 (en) * 2008-03-04 2012-05-29 Fortinet, Inc. Method and system for polling network controllers
US20110179311A1 (en) * 2009-12-31 2011-07-21 Nachimuthu Murugasamy K Injecting error and/or migrating memory in a computing system
US8510492B2 (en) 2010-09-08 2013-08-13 Integrated Device Technology Inc. System and method for communication handshaking between a master processors and a slave processor
US8392635B2 (en) 2010-12-22 2013-03-05 Western Digital Technologies, Inc. Selectively enabling a host transfer interrupt
US9009702B2 (en) 2011-11-30 2015-04-14 Red Hat Israel, Ltd. Application-driven shared device queue polling in a virtualized computing environment
US20150006962A1 (en) * 2013-06-27 2015-01-01 Robert C. Swanson Memory dump without error containment loss

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0132157A2 (en) * 1983-07-18 1985-01-23 Data General Corporation Data processing system having dual processors
US5845130A (en) * 1996-09-11 1998-12-01 Vlsi Technology, Inc. Mailbox traffic controller
US5875342A (en) * 1997-06-03 1999-02-23 International Business Machines Corporation User programmable interrupt mask with timeout
US7130951B1 (en) * 2002-04-18 2006-10-31 Advanced Micro Devices, Inc. Method for selectively disabling interrupts on a secure execution mode-capable processor
WO2004003759A1 (en) * 2002-06-27 2004-01-08 Nazomi Communicatons, Inc. Application processors and memory architecture for wireless applications
GB2458499A (en) * 2008-03-20 2009-09-23 Cambridge Silicon Radio Ltd Sharing access to a data store by a host processor and a signal processor in a mobile phone
WO2010042131A1 (en) * 2008-10-07 2010-04-15 Hemisphere Gps Llc Gnss receiver and external storage device system and gnss data processing method

Also Published As

Publication number Publication date
CN107111577A (zh) 2017-08-29
US20160154751A1 (en) 2016-06-02
KR20170129674A (ko) 2017-11-27
EP3227782A1 (en) 2017-10-11
GB201509869D0 (en) 2015-07-22
BR112017011658A2 (pt) 2018-01-02
WO2016089628A1 (en) 2016-06-09
EP3227782B1 (en) 2022-06-15
CA2965826A1 (en) 2016-06-09
US9720861B2 (en) 2017-08-01
DE102015111270A1 (de) 2016-06-02
JP2017537392A (ja) 2017-12-14
CN107111577B (zh) 2020-07-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)