JP2015144000A5 - - Google Patents

Download PDF

Info

Publication number
JP2015144000A5
JP2015144000A5 JP2015040646A JP2015040646A JP2015144000A5 JP 2015144000 A5 JP2015144000 A5 JP 2015144000A5 JP 2015040646 A JP2015040646 A JP 2015040646A JP 2015040646 A JP2015040646 A JP 2015040646A JP 2015144000 A5 JP2015144000 A5 JP 2015144000A5
Authority
JP
Japan
Prior art keywords
semaphore
memory area
write request
reservation
processing
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.)
Granted
Application number
JP2015040646A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015144000A (ja
JP5890049B2 (ja
Filing date
Publication date
Priority claimed from US11/254,391 external-priority patent/US7421529B2/en
Application filed filed Critical
Publication of JP2015144000A publication Critical patent/JP2015144000A/ja
Publication of JP2015144000A5 publication Critical patent/JP2015144000A5/ja
Application granted granted Critical
Publication of JP5890049B2 publication Critical patent/JP5890049B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2015040646A 2005-10-20 2015-03-02 セマフォ予約をクリアする方法および装置 Expired - Fee Related JP5890049B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/254,391 2005-10-20
US11/254,391 US7421529B2 (en) 2005-10-20 2005-10-20 Method and apparatus to clear semaphore reservation for exclusive access to shared memory

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2012173238A Division JP2013012208A (ja) 2005-10-20 2012-08-03 セマフォ予約をクリアする方法および装置

Publications (3)

Publication Number Publication Date
JP2015144000A JP2015144000A (ja) 2015-08-06
JP2015144000A5 true JP2015144000A5 (enExample) 2016-02-12
JP5890049B2 JP5890049B2 (ja) 2016-03-22

Family

ID=37944853

Family Applications (5)

Application Number Title Priority Date Filing Date
JP2008536652A Expired - Fee Related JP5449776B2 (ja) 2005-10-20 2006-10-20 セマフォ予約をクリアする方法および装置
JP2011227849A Pending JP2012069128A (ja) 2005-10-20 2011-10-17 セマフォ予約をクリアする方法および装置
JP2012173238A Withdrawn JP2013012208A (ja) 2005-10-20 2012-08-03 セマフォ予約をクリアする方法および装置
JP2014064434A Expired - Fee Related JP5847868B2 (ja) 2005-10-20 2014-03-26 セマフォ予約をクリアする方法および装置
JP2015040646A Expired - Fee Related JP5890049B2 (ja) 2005-10-20 2015-03-02 セマフォ予約をクリアする方法および装置

Family Applications Before (4)

Application Number Title Priority Date Filing Date
JP2008536652A Expired - Fee Related JP5449776B2 (ja) 2005-10-20 2006-10-20 セマフォ予約をクリアする方法および装置
JP2011227849A Pending JP2012069128A (ja) 2005-10-20 2011-10-17 セマフォ予約をクリアする方法および装置
JP2012173238A Withdrawn JP2013012208A (ja) 2005-10-20 2012-08-03 セマフォ予約をクリアする方法および装置
JP2014064434A Expired - Fee Related JP5847868B2 (ja) 2005-10-20 2014-03-26 セマフォ予約をクリアする方法および装置

Country Status (9)

Country Link
US (1) US7421529B2 (enExample)
EP (1) EP1938190B1 (enExample)
JP (5) JP5449776B2 (enExample)
KR (1) KR100957425B1 (enExample)
CN (1) CN101331454B (enExample)
CA (1) CA2626643A1 (enExample)
IL (1) IL190976A0 (enExample)
RU (1) RU2380743C1 (enExample)
WO (1) WO2007048136A2 (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070136725A1 (en) * 2005-12-12 2007-06-14 International Business Machines Corporation System and method for optimized preemption and reservation of software locks
JP4874165B2 (ja) * 2006-07-07 2012-02-15 ルネサスエレクトロニクス株式会社 マルチプロセッサシステム及びマルチプロセッサシステムにおけるアクセス権設定方法
US7831801B1 (en) * 2006-08-30 2010-11-09 Xilinx, Inc. Direct memory access-based multi-processor array
IL180020A (en) * 2006-12-12 2013-03-24 Waterfall Security Solutions Ltd Encryption -and decryption-enabled interfaces
IL180748A (en) 2007-01-16 2013-03-24 Waterfall Security Solutions Ltd Secure archive
US8695000B1 (en) 2007-03-16 2014-04-08 The Mathworks, Inc. Data transfer protection in a multi-tasking modeling environment having a protection mechanism selected by user via user interface
IL187492A0 (en) * 2007-09-06 2008-02-09 Human Interface Security Ltd Information protection device
US10235215B2 (en) * 2008-02-01 2019-03-19 International Business Machines Corporation Memory lock mechanism for a multiprocessor system
US8214603B2 (en) * 2008-02-01 2012-07-03 International Business Machines Corporation Method and apparatus for handling multiple memory requests within a multiprocessor system
US20090198916A1 (en) * 2008-02-01 2009-08-06 Arimilli Lakshminarayana B Method and Apparatus for Supporting Low-Overhead Memory Locks Within a Multiprocessor System
US20090198695A1 (en) * 2008-02-01 2009-08-06 Arimilli Lakshminarayana B Method and Apparatus for Supporting Distributed Computing Within a Multiprocessor System
IL194943A0 (en) * 2008-10-27 2009-09-22 Human Interface Security Ltd Verification of data transmitted by computer
JP2010140290A (ja) * 2008-12-12 2010-06-24 Panasonic Corp マルチプロセッサシステム及びその排他制御の調停方法
US9552206B2 (en) * 2010-11-18 2017-01-24 Texas Instruments Incorporated Integrated circuit with control node circuitry and processing circuitry
US20130111168A1 (en) * 2011-10-27 2013-05-02 Freescale Semiconductor, Inc. Systems and methods for semaphore-based protection of shared system resources
US9081630B2 (en) * 2012-12-12 2015-07-14 Wind River Systems, Inc. Hardware-implemented semaphore for resource access based on presence of a memory buffer in a memory pool
US9431077B2 (en) * 2013-03-13 2016-08-30 Qualcomm Incorporated Dual host embedded shared device controller
US9292442B2 (en) * 2013-04-11 2016-03-22 Qualcomm Incorporated Methods and apparatus for improving performance of semaphore management sequences across a coherent bus
CN105765522B (zh) * 2013-10-25 2020-05-19 超威半导体公司 用于立即数处置和旗标处置的处理器和方法
IL235175A (en) 2014-10-19 2017-08-31 Frenkel Lior Secure desktop remote control
WO2016195688A1 (en) * 2015-06-04 2016-12-08 Siemens Aktiengesellschaft Method and system for clustering engineering data in a multidisciplinary engineering system
IL250010B (en) 2016-02-14 2020-04-30 Waterfall Security Solutions Ltd Secure connection with protected facilities
US20230324892A1 (en) * 2020-11-18 2023-10-12 Mitsubishi Electric Corporation Control management device
US20250068585A1 (en) * 2023-08-21 2025-02-27 Cirrus Logic International Semiconductor Ltd. Efficient processing on a dual core processing system

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456965A (en) * 1980-10-14 1984-06-26 Texas Instruments Incorporated Data processing system having multiple buses
US4594657A (en) * 1983-04-22 1986-06-10 Motorola, Inc. Semaphore for memory shared by two asynchronous microcomputers
JPS6290739A (ja) * 1985-10-16 1987-04-25 Fujitsu Ltd メモリアクセス制御方式
US4841435A (en) 1986-10-29 1989-06-20 Saxpy Computer Corporation Data alignment system for random and block transfers of embedded subarrays of an array onto a system bus
SU1631548A1 (ru) * 1989-03-22 1991-02-28 Институт кибернетики им.В.М.Глушкова Устройство управлени взаимным доступом процессора многопроцессорной системы
SU1709330A1 (ru) * 1990-01-18 1992-01-30 Киевский Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции Многопроцессорна система
SU1753477A1 (ru) * 1990-02-28 1992-08-07 Институт кибернетики им.В.М.Глушкова Устройство управлени сегментированной пам тью многопроцессорной системы
JPH04225433A (ja) * 1990-12-27 1992-08-14 Fujitsu Ltd キャンセル機能付セマフォ同期方式
JPH04361340A (ja) * 1991-06-07 1992-12-14 Fujitsu Ltd メモリ排他制御方式
JP2702317B2 (ja) * 1991-07-05 1998-01-21 富士通株式会社 共用メモリの排他制御処理装置
US5440752A (en) * 1991-07-08 1995-08-08 Seiko Epson Corporation Microprocessor architecture with a switch network for data transfer between cache, memory port, and IOU
AU4229293A (en) * 1992-05-13 1993-12-13 Southwestern Bell Technology Resources, Inc. Open architecture interface storage controller
US5408629A (en) 1992-08-13 1995-04-18 Unisys Corporation Apparatus and method for controlling exclusive access to portions of addressable memory in a multiprocessor system
JPH06149765A (ja) * 1992-11-12 1994-05-31 Fujitsu Ltd 共有メモリ排他制御自動解除方式
JP2500101B2 (ja) * 1992-12-18 1996-05-29 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 共用変数の値を更新する方法
EP0608622A1 (en) * 1993-01-29 1994-08-03 International Business Machines Corporation Multiprocessor system with multilevel caches
JP3373253B2 (ja) * 1993-07-07 2003-02-04 富士通株式会社 情報処理装置
JPH07182186A (ja) * 1993-12-22 1995-07-21 Toshiba Corp セマフォの有効利用方法
US5548780A (en) * 1994-07-21 1996-08-20 Apple Computer, Inc. Method for semaphore communication between incompatible bus locking architectures
JPH08137807A (ja) * 1994-11-10 1996-05-31 Canon Inc 情報処理システム及びその方法
JPH08185381A (ja) * 1994-12-28 1996-07-16 Canon Inc 情報処理方法及び装置
JPH08335539A (ja) * 1995-06-06 1996-12-17 Sony Corp 生産管理装置および生産管理方法
JPH09330241A (ja) * 1996-06-07 1997-12-22 Tokai Univ デッドロック防止排他制御方式
JPH10177560A (ja) * 1996-12-17 1998-06-30 Ricoh Co Ltd 記憶装置
US6449699B2 (en) * 1999-03-29 2002-09-10 International Business Machines Corporation Apparatus and method for partitioned memory protection in cache coherent symmetric multiprocessor systems
US7409557B2 (en) * 1999-07-02 2008-08-05 Time Certain, Llc System and method for distributing trusted time
US6898709B1 (en) * 1999-07-02 2005-05-24 Time Certain Llc Personal computer system and methods for proving dates in digital data files
US20050160272A1 (en) * 1999-10-28 2005-07-21 Timecertain, Llc System and method for providing trusted time in content of digital data files
US6745274B1 (en) * 2000-04-25 2004-06-01 Hewlett-Packard Development Company, L.P. Apparatus and method for synchronizing multiple accesses to common resources
US6513089B1 (en) * 2000-05-18 2003-01-28 International Business Machines Corporation Dual burst latency timers for overlapped read and write data transfers
MXPA02012346A (es) * 2000-06-14 2004-09-09 Coreexpress Inc Desagregacion de ruta de internet y preferencia de seleccion de ruta.
JP2002007315A (ja) * 2000-06-19 2002-01-11 Canon Inc バススイッチ用バスプロトコル
US6587905B1 (en) * 2000-06-29 2003-07-01 International Business Machines Corporation Dynamic data bus allocation
GB2370131C (en) * 2000-12-12 2006-09-06 Advanced Risc Mach Ltd Exclusive access control to a processing resource
JP3996355B2 (ja) * 2001-03-22 2007-10-24 株式会社日立製作所 マルチプロセッサシステム
JP2004280191A (ja) * 2003-03-12 2004-10-07 Matsushita Electric Ind Co Ltd データ転送制御方法および装置
JP4361340B2 (ja) * 2003-09-29 2009-11-11 パナソニック株式会社 デジタルテレビ受信機
US7360035B2 (en) * 2004-09-01 2008-04-15 International Business Machines Corporation Atomic read/write support in a multi-module memory configuration

Similar Documents

Publication Publication Date Title
JP2015144000A5 (enExample)
JP2014149849A5 (enExample)
JP2013012208A5 (enExample)
JP5890049B2 (ja) セマフォ予約をクリアする方法および装置
US9858008B2 (en) Method to reduce flash memory IOs with host maintained address mapping table
US9152474B2 (en) Context aware synchronization using context and input parameter objects associated with a mutual exclusion lock
GB2493596B (en) Data hazard handling for copending data access requests
JP2016512361A5 (enExample)
EP4339769A3 (en) Software mode register access for platform margining and debug
KR102683728B1 (ko) 데이터 스토리지 시스템의 낮은 쓰기 레이턴시를 얻는 방법
US10628234B2 (en) Data processing apparatus, data processing method, and computer readable medium
KR20150019845A (ko) 메모리 공유 환경에서 데이터 무결성 감시 장치 및 방법
KR102116096B1 (ko) 다중시스템 및 이의 부팅 방법
US8977823B2 (en) Store buffer for transactional memory
JP2017527027A5 (enExample)
CN108446137B (zh) 通道寄存器初始化方法、装置及dma设备、终端
JP2016118982A5 (enExample)
EP3262519A1 (en) Configuration of a memory controller for copy-on-write
JP2018113075A5 (ja) 情報処理装置及び情報処理装置の制御方法
EP3246821B1 (en) Semiconductor device and its memory access control method
JP5676664B2 (ja) リソース管理装置、リソースの管理方法、及びプログラム
US10579534B2 (en) Caching IO requests
US9594701B2 (en) Information processing apparatus, information processing method, and non-transitory computer readable medium
JP2014229191A (ja) メモリコントローラ、メモリ制御方法、およびプログラム
US20200192721A1 (en) Configurable peripherals