JP4430624B2 - Ｎｏｄｍａキャッシュ - Google Patents

Ｎｏｄｍａキャッシュ Download PDF

Info

Publication number
JP4430624B2
JP4430624B2 JP2005518870A JP2005518870A JP4430624B2 JP 4430624 B2 JP4430624 B2 JP 4430624B2 JP 2005518870 A JP2005518870 A JP 2005518870A JP 2005518870 A JP2005518870 A JP 2005518870A JP 4430624 B2 JP4430624 B2 JP 4430624B2
Authority
JP
Japan
Prior art keywords
entry
nodma
memory
access
memory page
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 - Fee Related
Application number
JP2005518870A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006514770A5 (enExample
JP2006514770A (ja
Inventor
ダス シャルマ，デベンドラ
サフラネク，ロバート
Original Assignee
インテル コーポレイション
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 インテル コーポレイション filed Critical インテル コーポレイション
Publication of JP2006514770A publication Critical patent/JP2006514770A/ja
Publication of JP2006514770A5 publication Critical patent/JP2006514770A5/ja
Application granted granted Critical
Publication of JP4430624B2 publication Critical patent/JP4430624B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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

Landscapes

  • 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)
JP2005518870A 2003-03-31 2004-02-06 Ｎｏｄｍａキャッシュ Expired - Fee Related JP4430624B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/404,881 US7296127B2 (en) 2003-03-31 2003-03-31 NoDMA cache
PCT/US2004/003387 WO2004095205A2 (en) 2003-03-31 2004-02-06 Nodma cache

Publications (3)

Publication Number Publication Date
JP2006514770A JP2006514770A (ja) 2006-05-11
JP2006514770A5 JP2006514770A5 (enExample) 2007-04-05
JP4430624B2 true JP4430624B2 (ja) 2010-03-10

Family

ID=32990210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005518870A Expired - Fee Related JP4430624B2 (ja) 2003-03-31 2004-02-06 Ｎｏｄｍａキャッシュ

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
CN1291329C (zh) 2006-12-20
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
US20090292879A1 (en) 2009-11-26
EP1609069B1 (en) 2017-08-16

Similar Documents

Publication Publication Date Title
US7571294B2 (en) NoDMA cache
US7139890B2 (en) Methods and arrangements to interface memory
CN109002706B (zh) 一种基于用户级页表的进程内数据隔离保护方法和系统
US7739466B2 (en) Method and apparatus for supporting immutable memory
US9734092B2 (en) Secure support for I/O in software cryptoprocessor
US4858117A (en) Apparatus and method for preventing computer access by unauthorized personnel
US7886098B2 (en) Memory access security management
JP3982687B2 (ja) 分離実行環境での複数の分離メモリへのアクセスの制御
US20140189881A1 (en) Enhanced security for accessing virtual memory
US9323932B2 (en) Protecting memory contents during boot process
US7454787B2 (en) Secure direct memory access through system controllers and similar hardware devices
US11188477B2 (en) Page protection layer
US20060259674A1 (en) Apparatus and method for granting access to a hardware interface shared between multiple software entities
CN115269456A (zh) 处理器以及隔离内存保护方法
JP6257844B2 (ja) 実行制御装置及び実行制御方法及び実行制御プログラム
US20240070091A1 (en) Isolation of memory regions in trusted domain
US12321267B2 (en) Hardware mechanism to extend MKTME protections to SGX data outside EPC
US12164445B1 (en) Coherent agents for memory access
HK1069450B (en) An apparatus and method for accessing memory
CN119004489A (zh) 可信执行环境系统
TW202518301A (zh) 用於容許安全通訊之積體電路、方法及電腦系統

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070214

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081125

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20090224

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20090303

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090325

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090519

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090819

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20091117

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20091217

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121225

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 4430624

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121225

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131225

Year of fee payment: 4

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees