IL132418A - Data processing apparatus and method for controlling access to a memory having a plurality of memory locations for storing data - Google Patents
Data processing apparatus and method for controlling access to a memory having a plurality of memory locations for storing dataInfo
- Publication number
- IL132418A IL132418A IL13241898A IL13241898A IL132418A IL 132418 A IL132418 A IL 132418A IL 13241898 A IL13241898 A IL 13241898A IL 13241898 A IL13241898 A IL 13241898A IL 132418 A IL132418 A IL 132418A
- Authority
- IL
- Israel
- Prior art keywords
- memory
- processing apparatus
- controlling access
- data processing
- storing data
- Prior art date
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
- G06F12/14—Protection against unauthorised use of memory or access to memory
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1416—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights
- G06F12/1425—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block
- G06F12/1441—Protection against unauthorised use of memory or access to memory by checking the object accessibility, e.g. type of access defined by the memory independently of subject rights the protection being physical, e.g. cell, word, block for a range
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
- Memory System Of A Hierarchy Structure (AREA)
- Memory System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9708822A GB2325061B (en) | 1997-04-30 | 1997-04-30 | Memory access protection |
PCT/GB1998/000344 WO1998049623A1 (en) | 1997-04-30 | 1998-02-03 | Memory access protection |
Publications (2)
Publication Number | Publication Date |
---|---|
IL132418A0 IL132418A0 (en) | 2001-03-19 |
IL132418A true IL132418A (en) | 2003-11-23 |
Family
ID=10811626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL13241898A IL132418A (en) | 1997-04-30 | 1998-02-03 | Data processing apparatus and method for controlling access to a memory having a plurality of memory locations for storing data |
Country Status (12)
Country | Link |
---|---|
US (1) | US6021476A (xx) |
EP (1) | EP0979456B1 (xx) |
JP (1) | JP3710490B2 (xx) |
KR (1) | KR100563222B1 (xx) |
CN (1) | CN1118027C (xx) |
DE (1) | DE69823180T2 (xx) |
GB (1) | GB2325061B (xx) |
IL (1) | IL132418A (xx) |
MY (1) | MY114810A (xx) |
RU (1) | RU2215321C2 (xx) |
TW (1) | TW376475B (xx) |
WO (1) | WO1998049623A1 (xx) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6272605B1 (en) * | 1998-06-01 | 2001-08-07 | International Business Machines Corporation | System using priority data of a host recall request to determine whether to release non-volatile storage with another host before processing further recall requests |
JP4516693B2 (ja) * | 1998-12-07 | 2010-08-04 | アルボス テクノロジーズ リミテッド リミテッド ライアビリティ カンパニー | コンピュータ、アドレス有効性照合プログラムを記録した記録媒体、及びアドレス有効性照合方法 |
US6748502B2 (en) * | 2001-01-12 | 2004-06-08 | Hitachi, Ltd. | Virtual volume storage |
JP2003006046A (ja) * | 2001-06-25 | 2003-01-10 | Sanyo Electric Co Ltd | メモリプロテクション方法および回路 |
JP2003060906A (ja) * | 2001-08-21 | 2003-02-28 | Canon Inc | 画像処理装置及びその方法 |
US7134139B2 (en) * | 2002-02-12 | 2006-11-07 | International Business Machines Corporation | System and method for authenticating block level cache access on network |
US6715085B2 (en) * | 2002-04-18 | 2004-03-30 | International Business Machines Corporation | Initializing, maintaining, updating and recovering secure operation within an integrated system employing a data access control function |
US7089419B2 (en) | 2002-04-18 | 2006-08-08 | International Business Machines Corporation | Control function with multiple security states for facilitating secure operation of an integrated system |
US6851056B2 (en) | 2002-04-18 | 2005-02-01 | International Business Machines Corporation | Control function employing a requesting master id and a data address to qualify data access within an integrated system |
US7266842B2 (en) * | 2002-04-18 | 2007-09-04 | International Business Machines Corporation | Control function implementing selective transparent data authentication within an integrated system |
US7266786B2 (en) | 2002-11-05 | 2007-09-04 | Sonics, Inc. | Method and apparatus for configurable address mapping and protection architecture and hardware for on-chip systems |
US7203798B2 (en) * | 2003-03-20 | 2007-04-10 | Matsushita Electric Industrial Co., Ltd. | Data memory cache unit and data memory cache system |
DE10335643B4 (de) * | 2003-08-04 | 2007-10-31 | Infineon Technologies Ag | Vorrichtung und Verfahren zum Steuern des Zugriffs von mehreren Datenverarbeitungseinrichtungen auf einen Speicher |
US7231499B2 (en) * | 2003-12-17 | 2007-06-12 | Broadcom Corporation | Prioritization of real time / non-real time memory requests from bus compliant devices |
US7461268B2 (en) * | 2004-07-15 | 2008-12-02 | International Business Machines Corporation | E-fuses for storing security version data |
US7068545B1 (en) | 2005-01-04 | 2006-06-27 | Arm Limited | Data processing apparatus having memory protection unit |
US20070005932A1 (en) * | 2005-06-29 | 2007-01-04 | Intel Corporation | Memory management in a multiprocessor system |
JP4519738B2 (ja) * | 2005-08-26 | 2010-08-04 | 株式会社東芝 | メモリアクセス制御装置 |
US8572329B2 (en) * | 2005-10-04 | 2013-10-29 | Arm Limited | Multi-region default memory map |
TW200805065A (en) * | 2006-01-17 | 2008-01-16 | Nxp Bv | Region protection unit, instruction set and method for protecting a memory region |
JP5100133B2 (ja) * | 2007-01-19 | 2012-12-19 | 株式会社東芝 | 情報処理装置 |
US8380987B2 (en) | 2007-01-25 | 2013-02-19 | Microsoft Corporation | Protection agents and privilege modes |
KR101405319B1 (ko) * | 2007-04-16 | 2014-06-10 | 삼성전자 주식회사 | 가상화 환경에서의 안전한 시스템 보호 장치 및 방법 |
US8051263B2 (en) * | 2007-05-04 | 2011-11-01 | Atmel Corporation | Configurable memory protection |
US8417916B2 (en) * | 2008-01-11 | 2013-04-09 | International Business Machines Corporation | Perform frame management function instruction for setting storage keys and clearing blocks of main storage |
US8738860B1 (en) * | 2010-10-25 | 2014-05-27 | Tilera Corporation | Computing in parallel processing environments |
GB2484927A (en) * | 2010-10-26 | 2012-05-02 | Advanced Risc Mach Ltd | Provision of access control data within a data processing system |
US9116845B2 (en) | 2011-02-23 | 2015-08-25 | Freescale Semiconductor, Inc. | Remote permissions provisioning for storage in a cache and device therefor |
US8949551B2 (en) | 2011-02-23 | 2015-02-03 | Freescale Semiconductor, Inc. | Memory protection unit (MPU) having a shared portion and method of operation |
US8775754B2 (en) * | 2011-06-24 | 2014-07-08 | Arm Limited | Memory controller and method of selecting a transaction using a plurality of ordered lists |
US8639895B2 (en) | 2011-07-14 | 2014-01-28 | Freescale Semiconductor, Inc. | Systems and methods for memory region descriptor attribute override |
US8572345B2 (en) | 2011-09-16 | 2013-10-29 | Freescale Semiconductor, Inc. | Memory management unit (MMU) having region descriptor globalization controls and method of operation |
GB2522906B (en) * | 2014-02-10 | 2021-07-14 | Advanced Risc Mach Ltd | Region identifying operation for identifying a region of a memory attribute unit corresponding to a target memory address |
US10592424B2 (en) | 2017-07-14 | 2020-03-17 | Arm Limited | Range-based memory system |
US10489304B2 (en) * | 2017-07-14 | 2019-11-26 | Arm Limited | Memory address translation |
US10534719B2 (en) | 2017-07-14 | 2020-01-14 | Arm Limited | Memory system for a data processing network |
US10353826B2 (en) | 2017-07-14 | 2019-07-16 | Arm Limited | Method and apparatus for fast context cloning in a data processing system |
US10613989B2 (en) | 2017-07-14 | 2020-04-07 | Arm Limited | Fast address translation for virtual machines |
US10565126B2 (en) | 2017-07-14 | 2020-02-18 | Arm Limited | Method and apparatus for two-layer copy-on-write |
US10467159B2 (en) | 2017-07-14 | 2019-11-05 | Arm Limited | Memory node controller |
US10884850B2 (en) | 2018-07-24 | 2021-01-05 | Arm Limited | Fault tolerant memory system |
US11232039B2 (en) * | 2018-12-10 | 2022-01-25 | Advanced Micro Devices, Inc. | Cache for storing regions of data |
JP2021022061A (ja) | 2019-07-25 | 2021-02-18 | キオクシア株式会社 | ストレージ装置、メモリアクセス制御システムおよびメモリアクセス制御方法 |
EP4372567A1 (en) | 2022-11-18 | 2024-05-22 | Thales Dis France Sas | Processor and method for modifying processor behavior based on memory attributes and instruction type |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3827029A (en) * | 1972-09-25 | 1974-07-30 | Westinghouse Electric Corp | Memory and program protection system for a digital computer system |
US4038645A (en) * | 1976-04-30 | 1977-07-26 | International Business Machines Corporation | Non-translatable storage protection control system |
JPS58225442A (ja) * | 1982-06-25 | 1983-12-27 | Toshiba Corp | 優先順位制御回路 |
JPH01229353A (ja) * | 1988-03-09 | 1989-09-13 | Fujitsu Ltd | Dmaコントローラ |
US5335334A (en) * | 1990-08-31 | 1994-08-02 | Hitachi, Ltd. | Data processing apparatus having a real memory region with a corresponding fixed memory protection key value and method for allocating memories therefor |
US5465343A (en) * | 1993-04-30 | 1995-11-07 | Quantum Corporation | Shared memory array for data block and control program storage in disk drive |
US5623636A (en) * | 1993-11-09 | 1997-04-22 | Motorola Inc. | Data processing system and method for providing memory access protection using transparent translation registers and default attribute bits |
DE69509717T2 (de) * | 1994-08-31 | 1999-11-11 | Motorola, Inc. | Modulare Chipauswahl-Steuerschaltung |
US5742826A (en) * | 1994-11-09 | 1998-04-21 | International Business Machines Corporation | Object encapsulation protection apparatus |
-
1997
- 1997-04-30 GB GB9708822A patent/GB2325061B/en not_active Expired - Lifetime
- 1997-05-09 TW TW086106218A patent/TW376475B/zh not_active IP Right Cessation
- 1997-09-02 US US08/921,478 patent/US6021476A/en not_active Expired - Lifetime
-
1998
- 1998-02-03 JP JP54669198A patent/JP3710490B2/ja not_active Expired - Lifetime
- 1998-02-03 IL IL13241898A patent/IL132418A/xx not_active IP Right Cessation
- 1998-02-03 EP EP98902139A patent/EP0979456B1/en not_active Expired - Lifetime
- 1998-02-03 DE DE69823180T patent/DE69823180T2/de not_active Expired - Lifetime
- 1998-02-03 RU RU99124789/09A patent/RU2215321C2/ru not_active IP Right Cessation
- 1998-02-03 CN CN98804655A patent/CN1118027C/zh not_active Expired - Lifetime
- 1998-02-03 KR KR1019997009985A patent/KR100563222B1/ko active IP Right Grant
- 1998-02-03 WO PCT/GB1998/000344 patent/WO1998049623A1/en active IP Right Grant
- 1998-02-21 MY MYPI98000753A patent/MY114810A/en unknown
Also Published As
Publication number | Publication date |
---|---|
MY114810A (en) | 2003-01-31 |
RU2215321C2 (ru) | 2003-10-27 |
EP0979456B1 (en) | 2004-04-14 |
GB9708822D0 (en) | 1997-06-25 |
US6021476A (en) | 2000-02-01 |
EP0979456A1 (en) | 2000-02-16 |
JP2001522492A (ja) | 2001-11-13 |
WO1998049623A1 (en) | 1998-11-05 |
GB2325061B (en) | 2001-06-06 |
DE69823180T2 (de) | 2004-11-11 |
CN1118027C (zh) | 2003-08-13 |
TW376475B (en) | 1999-12-11 |
GB2325061A (en) | 1998-11-11 |
CN1254424A (zh) | 2000-05-24 |
KR100563222B1 (ko) | 2006-03-22 |
DE69823180D1 (de) | 2004-05-19 |
KR20010012133A (ko) | 2001-02-15 |
IL132418A0 (en) | 2001-03-19 |
JP3710490B2 (ja) | 2005-10-26 |
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Legal Events
Date | Code | Title | Description |
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FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
EXP | Patent expired |