FR2377667A1 - Systeme pour bloquer la memoire d'un systeme de traitement de donnees - Google Patents
Systeme pour bloquer la memoire d'un systeme de traitement de donneesInfo
- Publication number
- FR2377667A1 FR2377667A1 FR7801266A FR7801266A FR2377667A1 FR 2377667 A1 FR2377667 A1 FR 2377667A1 FR 7801266 A FR7801266 A FR 7801266A FR 7801266 A FR7801266 A FR 7801266A FR 2377667 A1 FR2377667 A1 FR 2377667A1
- Authority
- FR
- France
- Prior art keywords
- blocking
- memory
- data processing
- processing system
- write
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
- Multi Processors (AREA)
- Memory System (AREA)
Abstract
Système pour bloquer la mémoire d'un système de traitement de données. Le système pour bloquer la mémoire, organisée en blocs accessibles sélectivement par des dispositifs avec lesquels elle coopère, comprend un dispositif pour bloquer l'accès à un bloc sélectionné de la mémoire d'un dispositif autre qu'un dispositif déterminé, et des moyens pour engendrer des signaux de blocage de lecture et de déblocage d'inscription reliés à des moyens pour fournir une commande d'arrêt de la séquence de blocage de lecture-déblocage d'inscription d'opérations tentées par cet autre dispositif, tant que le dispositif déterminé exécute une séquence d'opérations. Application : accès sélectif d'unités centrales de traitement en données à la mémoire principale d'un système de traitement de données.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/760,299 US4099243A (en) | 1977-01-18 | 1977-01-18 | Memory block protection apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2377667A1 true FR2377667A1 (fr) | 1978-08-11 |
FR2377667B1 FR2377667B1 (fr) | 1983-08-12 |
Family
ID=25058683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7801266A Granted FR2377667A1 (fr) | 1977-01-18 | 1978-01-17 | Systeme pour bloquer la memoire d'un systeme de traitement de donnees |
Country Status (7)
Country | Link |
---|---|
US (1) | US4099243A (fr) |
JP (1) | JPS5837587B2 (fr) |
AU (1) | AU517516B2 (fr) |
CA (1) | CA1109970A (fr) |
DE (1) | DE2801518A1 (fr) |
FR (1) | FR2377667A1 (fr) |
GB (1) | GB1550794A (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4296466A (en) * | 1978-01-23 | 1981-10-20 | Data General Corporation | Data processing system including a separate input/output processor with micro-interrupt request apparatus |
US4393459A (en) * | 1980-07-17 | 1983-07-12 | International Business Machines Corp. | Status reporting with ancillary data |
US4574350A (en) * | 1982-05-19 | 1986-03-04 | At&T Bell Laboratories | Shared resource locking apparatus |
US4493031A (en) * | 1982-08-25 | 1985-01-08 | At&T Bell Laboratories | Memory write protection using timers |
US4891749A (en) * | 1983-03-28 | 1990-01-02 | International Business Machines Corporation | Multiprocessor storage serialization apparatus |
US4706190A (en) * | 1983-09-22 | 1987-11-10 | Digital Equipment Corporation | Retry mechanism for releasing control of a communications path in digital computer system |
US4561051A (en) * | 1984-02-10 | 1985-12-24 | Prime Computer, Inc. | Memory access method and apparatus in multiple processor systems |
DE3537115A1 (de) * | 1985-10-18 | 1987-05-27 | Standard Elektrik Lorenz Ag | Verfahren zum betreiben einer einrichtung mit zwei voneinander unabhaengigen befehlseingabestellen und nach diesem verfahren arbeitende einrichtung |
JPS6376034A (ja) * | 1986-09-19 | 1988-04-06 | Hitachi Ltd | 多重アドレス空間制御方式 |
US4858116A (en) * | 1987-05-01 | 1989-08-15 | Digital Equipment Corporation | Method and apparatus for managing multiple lock indicators in a multiprocessor computer system |
US4941083A (en) * | 1987-05-01 | 1990-07-10 | Digital Equipment Corporation | Method and apparatus for initiating interlock read transactions on a multiprocessor computer system |
US5341510A (en) * | 1987-05-01 | 1994-08-23 | Digital Equipment Corporation | Commander node method and apparatus for assuring adequate access to system resources in a multiprocessor |
US4937733A (en) * | 1987-05-01 | 1990-06-26 | Digital Equipment Corporation | Method and apparatus for assuring adequate access to system resources by processors in a multiprocessor computer system |
US4949239A (en) * | 1987-05-01 | 1990-08-14 | Digital Equipment Corporation | System for implementing multiple lock indicators on synchronous pended bus in multiprocessor computer system |
AU614044B2 (en) * | 1988-03-25 | 1991-08-15 | Nec Corporation | Information processing system capable of quickly detecting an extended buffer memory regardless of a state of a main memory device |
US4984153A (en) * | 1988-04-27 | 1991-01-08 | Unisys Corporation | Storage locking control for a plurality of processors which share a common storage unit |
US5353416A (en) * | 1989-10-25 | 1994-10-04 | Zenith Data Systems Corporation | CPU lock logic for corrected operation with a posted write array |
US5317749A (en) * | 1992-09-25 | 1994-05-31 | International Business Machines Corporation | Method and apparatus for controlling access by a plurality of processors to a shared resource |
US5666515A (en) * | 1993-02-18 | 1997-09-09 | Unisys Corporation | Information processing system having multiple modules and a memory on a bus, where any module can lock an addressable portion of the memory by sending retry signals to other modules that try to read at the locked address |
US5617559A (en) * | 1994-08-31 | 1997-04-01 | Motorola Inc. | Modular chip select control circuit and method for performing pipelined memory accesses |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683418A (en) * | 1970-04-16 | 1972-08-08 | Bell Telephone Labor Inc | Method of protecting data in a multiprocessor computer system |
FR2213537A1 (fr) * | 1973-01-08 | 1974-08-02 | Philips Nv |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3328768A (en) * | 1964-04-06 | 1967-06-27 | Ibm | Storage protection systems |
US3405394A (en) * | 1965-12-22 | 1968-10-08 | Ibm | Controlled register accessing |
US3377624A (en) * | 1966-01-07 | 1968-04-09 | Ibm | Memory protection system |
US3573736A (en) * | 1968-01-15 | 1971-04-06 | Ibm | Interruption and interlock arrangement |
US3562717A (en) * | 1968-02-23 | 1971-02-09 | Gen Electric | System protection apparatus |
JPS4930578B1 (fr) * | 1970-09-30 | 1974-08-14 | ||
US3858182A (en) * | 1972-10-10 | 1974-12-31 | Digital Equipment Corp | Computer program protection means |
US3997875A (en) * | 1973-01-08 | 1976-12-14 | U.S. Philips Corporation | Computer configuration with claim cycles |
US3828327A (en) * | 1973-04-30 | 1974-08-06 | Ibm | Simplified storage protection and address translation under system mode control in a data processing system |
US3893084A (en) * | 1973-05-01 | 1975-07-01 | Digital Equipment Corp | Memory access control system |
US3845425A (en) * | 1973-06-15 | 1974-10-29 | Gte Automatic Electric Lab Inc | Method and apparatus for providing conditional and unconditional access to protected memory storage locations |
-
1977
- 1977-01-18 US US05/760,299 patent/US4099243A/en not_active Expired - Lifetime
-
1978
- 1978-01-06 CA CA294,490A patent/CA1109970A/fr not_active Expired
- 1978-01-06 AU AU32213/78A patent/AU517516B2/en not_active Expired
- 1978-01-13 GB GB1349/78A patent/GB1550794A/en not_active Expired
- 1978-01-14 DE DE19782801518 patent/DE2801518A1/de not_active Withdrawn
- 1978-01-17 JP JP53003672A patent/JPS5837587B2/ja not_active Expired
- 1978-01-17 FR FR7801266A patent/FR2377667A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683418A (en) * | 1970-04-16 | 1972-08-08 | Bell Telephone Labor Inc | Method of protecting data in a multiprocessor computer system |
FR2213537A1 (fr) * | 1973-01-08 | 1974-08-02 | Philips Nv |
Also Published As
Publication number | Publication date |
---|---|
AU3221378A (en) | 1979-07-12 |
GB1550794A (en) | 1979-08-22 |
AU517516B2 (en) | 1981-08-06 |
DE2801518A1 (de) | 1978-07-20 |
CA1109970A (fr) | 1981-09-29 |
FR2377667B1 (fr) | 1983-08-12 |
JPS5390829A (en) | 1978-08-10 |
JPS5837587B2 (ja) | 1983-08-17 |
US4099243A (en) | 1978-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |