CN1291329C - 用于访问存储器的装置和方法 - Google Patents

用于访问存储器的装置和方法 Download PDF

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Publication number
CN1291329C
CN1291329C CNB2004100316462A CN200410031646A CN1291329C CN 1291329 C CN1291329 C CN 1291329C CN B2004100316462 A CNB2004100316462 A CN B2004100316462A CN 200410031646 A CN200410031646 A CN 200410031646A CN 1291329 C CN1291329 C CN 1291329C
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CN
China
Prior art keywords
section
secret
memory
designator
superset
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Expired - Fee Related
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CNB2004100316462A
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English (en)
Chinese (zh)
Other versions
CN1534492A (zh
Inventor
罗伯特·J·沙弗拉内克
德伯德拉·达斯·夏尔玛
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Intel Corp
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Intel Corp
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Publication date
Application filed by Intel Corp filed Critical Intel Corp
Publication of CN1534492A publication Critical patent/CN1534492A/zh
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Publication of CN1291329C publication Critical patent/CN1291329C/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F12/145—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 virtual, e.g. for virtual blocks or segments before a translation mechanism

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
CNB2004100316462A 2003-03-31 2004-03-31 用于访问存储器的装置和方法 Expired - Fee Related CN1291329C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/404,881 US7296127B2 (en) 2003-03-31 2003-03-31 NoDMA cache
US10/404,881 2003-03-31

Publications (2)

Publication Number Publication Date
CN1534492A CN1534492A (zh) 2004-10-06
CN1291329C true CN1291329C (zh) 2006-12-20

Family

ID=32990210

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100316462A Expired - Fee Related CN1291329C (zh) 2003-03-31 2004-03-31 用于访问存储器的装置和方法

Country Status (7)

Country Link
US (3) US7296127B2 (enExample)
EP (2) EP2287744A1 (enExample)
JP (1) JP4430624B2 (enExample)
KR (1) KR100831468B1 (enExample)
CN (1) CN1291329C (enExample)
TW (1) TWI297831B (enExample)
WO (1) WO2004095205A2 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7296127B2 (en) 2003-03-31 2007-11-13 Intel Corporation NoDMA cache
US20050182862A1 (en) * 2004-02-12 2005-08-18 Ritz Andrew J. System and method for detecting DMA-generated memory corruption in a PCI express bus system
CN100418074C (zh) * 2004-03-05 2008-09-10 菲尼萨公司 光学收发机中的分级和字节可配置存储器
US20070078879A1 (en) * 2005-09-30 2007-04-05 Safranek Robert J Active address table
US7594042B2 (en) * 2006-06-30 2009-09-22 Intel Corporation Effective caching mechanism with comparator coupled to programmable registers to store plurality of thresholds in order to determine when to throttle memory requests
US8782367B2 (en) * 2006-12-20 2014-07-15 Stmicroelectronics S.A. Memory area protection circuit
US8041912B2 (en) 2007-09-28 2011-10-18 Macronix International Co., Ltd. Memory devices with data protection
US7907432B2 (en) * 2009-06-30 2011-03-15 Netlogic Microsystems, Inc. Content addressable memory device for simultaneously searching multiple flows
US8898417B1 (en) 2009-10-20 2014-11-25 Micron Technology, Inc. Block-based storage device with a memory-mapped interface
US8572440B1 (en) * 2010-11-15 2013-10-29 E.Digital Corporation System and method for managing information stored in semiconductors
CN102467417B (zh) 2010-11-19 2014-04-23 英业达股份有限公司 计算机系统
TWI421701B (zh) * 2010-12-06 2014-01-01 Inventec Corp 計算機系統
JP5790043B2 (ja) * 2011-03-14 2015-10-07 株式会社リコー データ転送システム及びデータ転送方法
US9471514B1 (en) * 2012-08-23 2016-10-18 Palo Alto Networks, Inc. Mitigation of cyber attacks by pointer obfuscation
US20160034404A1 (en) * 2014-07-31 2016-02-04 International Business Machines Corporation Managing access to storage
US12301561B2 (en) 2022-08-29 2025-05-13 Bank Of America Corporation Secure access to devices in a virtual environment using security tokens

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134700A (en) * 1987-09-18 1992-07-28 General Instrument Corporation Microcomputer with internal ram security during external program mode
US5079737A (en) * 1988-10-25 1992-01-07 United Technologies Corporation Memory management unit for the MIL-STD 1750 bus
US5251304A (en) * 1990-09-28 1993-10-05 Motorola, Inc. Integrated circuit microcontroller with on-chip memory and external bus interface and programmable mechanism for securing the contents of on-chip memory
US5628023A (en) 1993-04-19 1997-05-06 International Business Machines Corporation Virtual storage computer system having methods and apparatus for providing token-controlled access to protected pages of memory via a token-accessible view
FR2725537B1 (fr) 1994-10-11 1996-11-22 Bull Cp8 Procede de chargement d'une zone memoire protegee d'un dispositif de traitement de l'information et dispositif associe
US5646890A (en) * 1996-03-29 1997-07-08 Aplus Integrated Circuits, Inc. Flexible byte-erase flash memory and decoder
US5809546A (en) * 1996-05-23 1998-09-15 International Business Machines Corporation Method for managing I/O buffers in shared storage by structuring buffer table having entries including storage keys for controlling accesses to the buffers
JP2916421B2 (ja) 1996-09-09 1999-07-05 株式会社東芝 キャッシュフラッシュ装置およびデータ処理方法
US5930826A (en) * 1997-04-07 1999-07-27 Aplus Integrated Circuits, Inc. Flash memory protection attribute status bits held in a flash memory array
US6473861B1 (en) * 1998-12-03 2002-10-29 Joseph Forte Magnetic optical encryption/decryption disk drive arrangement
US6412043B1 (en) 1999-10-01 2002-06-25 Hitachi, Ltd. Microprocessor having improved memory management unit and cache memory
JP4719957B2 (ja) * 2000-05-24 2011-07-06 株式会社日立製作所 記憶制御装置及び記憶システム並びに記憶システムのセキュリティ設定方法
JP4678084B2 (ja) 2000-09-29 2011-04-27 ソニー株式会社 メモリ装置およびメモリアクセス制限方法
JP3644494B2 (ja) 2001-04-13 2005-04-27 日本電気株式会社 情報検索装置
US7130951B1 (en) * 2002-04-18 2006-10-31 Advanced Micro Devices, Inc. Method for selectively disabling interrupts on a secure execution mode-capable processor
US6785790B1 (en) * 2002-05-29 2004-08-31 Advanced Micro Devices, Inc. Method and apparatus for storing and retrieving security attributes
US7296127B2 (en) 2003-03-31 2007-11-13 Intel Corporation NoDMA cache
US7146477B1 (en) * 2003-04-18 2006-12-05 Advanced Micro Devices, Inc. Mechanism for selectively blocking peripheral device accesses to system memory
US7665143B2 (en) * 2005-05-16 2010-02-16 Microsoft Corporation Creating secure process objects

Also Published As

Publication number Publication date
US20080040566A1 (en) 2008-02-14
HK1069450A1 (en) 2005-05-20
EP2287744A1 (en) 2011-02-23
WO2004095205A2 (en) 2004-11-04
US7571294B2 (en) 2009-08-04
EP1609069A2 (en) 2005-12-28
KR20060006791A (ko) 2006-01-19
US7296127B2 (en) 2007-11-13
US20040193755A1 (en) 2004-09-30
JP2006514770A (ja) 2006-05-11
WO2004095205A3 (en) 2004-12-29
TW200426588A (en) 2004-12-01
TWI297831B (en) 2008-06-11
KR100831468B1 (ko) 2008-05-21
CN1534492A (zh) 2004-10-06
JP4430624B2 (ja) 2010-03-10
US20090292879A1 (en) 2009-11-26
EP1609069B1 (en) 2017-08-16

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