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 systemInfo
- 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
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)
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) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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)
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 |
-
1994
- 1994-02-08 US US08/193,388 patent/US5596739A/en not_active Expired - Lifetime
- 1994-02-15 TW TW083101183A patent/TW237528B/zh not_active IP Right Cessation
-
1995
- 1995-02-08 WO PCT/US1995/001648 patent/WO1995022795A2/en active Application Filing
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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Legal Events
Date | Code | Title | Description |
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MK4A | Expiration of patent term of an invention patent |