TW237528B - Method and apparatus for detecting memory segment violations in a computer system - Google Patents

Method and apparatus for detecting memory segment violations in a computer system

Info

Publication number
TW237528B
TW237528B TW083101183A TW83101183A TW237528B TW 237528 B TW237528 B TW 237528B TW 083101183 A TW083101183 A TW 083101183A TW 83101183 A TW83101183 A TW 83101183A TW 237528 B TW237528 B TW 237528B
Authority
TW
Taiwan
Prior art keywords
segment
privilege
task
microprocessor
memory
Prior art date
Application number
TW083101183A
Other languages
English (en)
Inventor
B Whitted Graham Iii
A Kane James
Hsiau-Shin Chang
Original Assignee
Heridian Semiconductor Inc
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 Heridian Semiconductor Inc filed Critical Heridian Semiconductor Inc
Application granted granted Critical
Publication of TW237528B publication Critical patent/TW237528B/zh

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
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G06F12/1491—Protection against unauthorised use of memory or access to memory by checking the subject access rights in a hierarchical protection system, e.g. privilege levels, memory rings

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)
  • Debugging And Monitoring (AREA)
TW083101183A 1994-02-08 1994-02-15 Method and apparatus for detecting memory segment violations in a computer system TW237528B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/193,388 US5596739A (en) 1994-02-08 1994-02-08 Method and apparatus for detecting memory segment violations in a microprocessor-based system

Publications (1)

Publication Number Publication Date
TW237528B true TW237528B (en) 1995-01-01

Family

ID=22713442

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083101183A TW237528B (en) 1994-02-08 1994-02-15 Method and apparatus for detecting memory segment violations in a computer system

Country Status (3)

Country Link
US (1) US5596739A (zh)
TW (1) TW237528B (zh)
WO (1) WO1995022795A2 (zh)

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US5694587A (en) * 1995-03-31 1997-12-02 International Business Machines Corporation Specialized millicode instructions for test PSW validity, load with access test, and character translation assist
US6813699B1 (en) 1995-06-02 2004-11-02 Transmeta Corporation Speculative address translation for processor using segmentation and optional paging
US5854891A (en) * 1996-08-09 1998-12-29 Tritheim Technologies, Inc. Smart card reader having multiple data enabling storage compartments
KR100357177B1 (ko) * 1998-01-13 2002-12-18 주식회사 하이닉스반도체 마이크로컴퓨터의명령해석장치
FR2784475B1 (fr) * 1998-10-12 2000-12-29 Centre Nat Etd Spatiales Procede de traitement d'un systeme electronique soumis a des contraintes d'erreurs transitoires
US7032240B1 (en) * 1999-12-07 2006-04-18 Pace Anti-Piracy, Inc. Portable authorization device for authorizing use of protected information and associated method
US7216345B1 (en) * 2000-04-07 2007-05-08 Hall Aluminum Llc Method and apparatus for protectively operating a data/information processing device
US6895508B1 (en) * 2000-09-07 2005-05-17 International Business Machines Corporation Stack memory protection
US7493498B1 (en) * 2002-03-27 2009-02-17 Advanced Micro Devices, Inc. Input/output permission bitmaps for compartmentalized security
US7565509B2 (en) 2002-04-17 2009-07-21 Microsoft Corporation Using limits on address translation to control access to an addressable entity
US6986006B2 (en) * 2002-04-17 2006-01-10 Microsoft Corporation Page granular curtained memory via mapping control
US7398390B2 (en) * 2003-08-08 2008-07-08 Hewlett-Packard Development Company, L.P. Method and system for securing a computer system
US20050257016A1 (en) * 2004-05-17 2005-11-17 Brian Boles Digital signal controller secure memory partitioning
US20050278707A1 (en) * 2004-06-09 2005-12-15 Intel Corporation Method and system providing virtual resource usage information
JP2009514104A (ja) * 2005-10-25 2009-04-02 セキュア６４・ソフトウェア・コーポレイション セキュアな仮想マシンモニタ
US20070106986A1 (en) * 2005-10-25 2007-05-10 Worley William S Jr Secure virtual-machine monitor
US7895404B2 (en) * 2008-02-14 2011-02-22 Atmel Rousset S.A.S. Access rights on a memory map
US8136158B1 (en) 2008-07-21 2012-03-13 Google Inc. User-level segmentation mechanism that facilitates safely executing untrusted native code
JP2010244327A (ja) * 2009-04-07 2010-10-28 Toshiba Corp キャッシュシステム
US8682639B2 (en) * 2010-09-21 2014-03-25 Texas Instruments Incorporated Dedicated memory window for emulation address

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
FR2258112A5 (zh) * 1973-11-30 1975-08-08 Honeywell Bull Soc Ind
US3916385A (en) * 1973-12-12 1975-10-28 Honeywell Inf Systems Ring checking hardware
US4442484A (en) * 1980-10-14 1984-04-10 Intel Corporation Microprocessor memory management and protection mechanism
DE3106815A1 (de) * 1981-02-24 1982-09-09 Behringwerke Ag, 3550 Marburg "chemische verbindungen, verfahren zu ihrer herstellung und ihre verwendung als antigene oder immunadsorbentien"
US4787031A (en) * 1985-01-04 1988-11-22 Digital Equipment Corporation Computer with virtual machine mode and multiple protection rings
US4972338A (en) * 1985-06-13 1990-11-20 Intel Corporation Memory management for microprocessor system
JPH0743672B2 (ja) * 1987-02-18 1995-05-15 株式会社東芝 メモリ保護違反検出装置
US5317717A (en) * 1987-07-01 1994-05-31 Digital Equipment Corp. Apparatus and method for main memory unit protection using access and fault logic signals
US4979098A (en) * 1988-02-10 1990-12-18 International Business Machines Corporation Multiple address space token designation, protection controls, designation translation and lookaside
US5023773A (en) * 1988-02-10 1991-06-11 International Business Machines Corporation Authorization for selective program access to data in multiple address spaces
DE3901457A1 (de) * 1989-01-19 1990-08-02 Strahlen Umweltforsch Gmbh Verfahren zur adressbereichsueberwachung bei datenverarbeitungsgeraeten in echtzeit
US5144551A (en) * 1989-05-19 1992-09-01 Compaq Computer Corporation Computer memory management method utilizing segmentation and protection techniques

Also Published As

Publication number Publication date
WO1995022795A3 (en) 1995-09-08
US5596739A (en) 1997-01-21
WO1995022795A2 (en) 1995-08-24

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