MX168306B - Unidad descriptora de segmento - Google Patents
Unidad descriptora de segmentoInfo
- Publication number
- MX168306B MX168306B MX009885A MX988587A MX168306B MX 168306 B MX168306 B MX 168306B MX 009885 A MX009885 A MX 009885A MX 988587 A MX988587 A MX 988587A MX 168306 B MX168306 B MX 168306B
- Authority
- MX
- Mexico
- Prior art keywords
- locations
- group
- storage locations
- ram
- cam
- 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
- G06F12/02—Addressing or allocation; Relocation
-
- 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
- G06F12/145—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F12/10—Address translation
- G06F12/1027—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB]
- G06F12/1036—Address translation using associative or pseudo-associative address translation means, e.g. translation look-aside buffer [TLB] for multiple virtual address spaces, e.g. segmentation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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)
- Memory System Of A Hierarchy Structure (AREA)
- Storage Device Security (AREA)
Abstract
La presente invención se refiere a una unidad descriptora de segmento para ejecutar operaciones de traducción con base en cada palabra recibida por dicha unidad, comprendiendo dicha unidad; una memoria de acceso aleatorio (RAM) que tiene una pluralidad de ubicaciones de almacenamiento, teniendo cada ubicación una pluralidad de ubicaciones de bit; un primer grupo de ubicaciones de bit de cada uno de un primer número de dicha pluralidad de ubicaciones de almacenamiento almacena información asociada a un primer tipo de operación de traducción y un segundo grupo de ubicaciones de bit de cada una de dicho primer número de dichas ubicaciones de almacenamiento almacena información asociada a un segundo tipo de operación de traducción; una memoria direccionable de contenido (CAM) que tiene una pluralidad de ubicaciones de almacenamiento para almacenar información asociada al número correspondiente de palabras descriptoras de segmentos que van a traducirse y una pluralidad de salidas para generar señales de acierto que indican los resultados de la comparación de cada una de dichas palabras que van a traducirse con la información almacenada en dicha pluralidad de ubicaciones de almacenamiento, estando dichas salidas acopladas a dicha RAM; y elementos de control microprogramados, acoplados a dicha RAM y a dicha CAM, generando dichos elementos de control un primero y un segundo grupo de señales para tener acceso al contenido de información de dicho primero y segundo grupo de ubicaciones de bits, respectivamente, de una de dicho número de ubicaciones de almacenamiento designadas por dichas señales de acierto de CAM para transferir a n primero y un segundo dispositivo, respectivamente, para ejecutar operaciones para llevar a cabo dicho primero y segundo tipo de operaciones de traducción.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94731586A | 1986-12-23 | 1986-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX168306B true MX168306B (es) | 1993-05-17 |
Family
ID=25485945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX009885A MX168306B (es) | 1986-12-23 | 1987-12-22 | Unidad descriptora de segmento |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0272670A3 (es) |
JP (1) | JPH07120316B2 (es) |
KR (1) | KR930009667B1 (es) |
CN (1) | CN1009771B (es) |
AU (1) | AU603167B2 (es) |
CA (1) | CA1286422C (es) |
DK (1) | DK685987A (es) |
FI (1) | FI93586C (es) |
MX (1) | MX168306B (es) |
NO (1) | NO173116C (es) |
YU (1) | YU236587A (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4819165A (en) * | 1987-03-27 | 1989-04-04 | Tandem Computers Incorporated | System for performing group relative addressing |
US5895489A (en) * | 1991-10-16 | 1999-04-20 | Intel Corporation | Memory management system including an inclusion bit for maintaining cache coherency |
GB2260629B (en) * | 1991-10-16 | 1995-07-26 | Intel Corp | A segment descriptor cache for a microprocessor |
US5479628A (en) * | 1993-10-12 | 1995-12-26 | Wang Laboratories, Inc. | Virtual address translation hardware assist circuit and method |
US5530824A (en) * | 1994-04-04 | 1996-06-25 | Motorola, Inc. | Address translation circuit |
US6754784B1 (en) * | 2000-02-01 | 2004-06-22 | Cirrus Logic, Inc. | Methods and circuits for securing encached information |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4520441A (en) * | 1980-12-15 | 1985-05-28 | Hitachi, Ltd. | Data processing system |
US4538241A (en) * | 1983-07-14 | 1985-08-27 | Burroughs Corporation | Address translation buffer |
-
1987
- 1987-12-16 AU AU82609/87A patent/AU603167B2/en not_active Ceased
- 1987-12-21 FI FI875615A patent/FI93586C/fi not_active IP Right Cessation
- 1987-12-21 EP EP87118946A patent/EP0272670A3/en not_active Withdrawn
- 1987-12-22 NO NO875391A patent/NO173116C/no unknown
- 1987-12-22 JP JP62325130A patent/JPH07120316B2/ja not_active Expired - Lifetime
- 1987-12-22 MX MX009885A patent/MX168306B/es unknown
- 1987-12-22 CA CA000555044A patent/CA1286422C/en not_active Expired - Lifetime
- 1987-12-23 YU YU02365/87A patent/YU236587A/xx unknown
- 1987-12-23 DK DK685987A patent/DK685987A/da not_active Application Discontinuation
- 1987-12-23 CN CN87108389A patent/CN1009771B/zh not_active Expired
- 1987-12-23 KR KR1019870015023A patent/KR930009667B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR880008160A (ko) | 1988-08-30 |
NO875391L (no) | 1988-06-24 |
DK685987A (da) | 1988-06-24 |
FI93586B (fi) | 1995-01-13 |
DK685987D0 (da) | 1987-12-23 |
AU8260987A (en) | 1988-06-23 |
JPS63213046A (ja) | 1988-09-05 |
CN87108389A (zh) | 1988-07-06 |
NO875391D0 (no) | 1987-12-22 |
FI875615A0 (fi) | 1987-12-21 |
KR930009667B1 (ko) | 1993-10-08 |
NO173116B (no) | 1993-07-19 |
YU236587A (en) | 1990-12-31 |
CA1286422C (en) | 1991-07-16 |
FI93586C (fi) | 1995-04-25 |
NO173116C (no) | 1993-10-27 |
EP0272670A2 (en) | 1988-06-29 |
FI875615A (fi) | 1988-06-24 |
JPH07120316B2 (ja) | 1995-12-20 |
AU603167B2 (en) | 1990-11-08 |
CN1009771B (zh) | 1990-09-26 |
EP0272670A3 (en) | 1990-05-16 |
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