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FR1436170A - Improvement of the memory protection system - Google Patents

Improvement of the memory protection system

Info

Publication number
FR1436170A
FR1436170A FR11903A FR11903A FR1436170A FR 1436170 A FR1436170 A FR 1436170A FR 11903 A FR11903 A FR 11903A FR 11903 A FR11903 A FR 11903A FR 1436170 A FR1436170 A FR 1436170A
Authority
FR
France
Prior art keywords
improvement
protection system
memory protection
memory
protection
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
Application number
FR11903A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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
Priority claimed from US357387A external-priority patent/US3328768A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR11903A priority Critical patent/FR1436170A/en
Application granted granted Critical
Publication of FR1436170A publication Critical patent/FR1436170A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/20Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/24Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • G06F13/26Handling requests for interconnection or transfer for access to input/output bus using interrupt with priority control
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14Protection against unauthorised use of memory or access to memory
    • G06F12/1458Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G06F12/1466Key-lock mechanism
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10Program control for peripheral devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/20Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/50Adding; Subtracting
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22Microcontrol or microprogram arrangements
    • G06F9/226Microinstruction function, e.g. input/output microinstruction; diagnostic microinstruction; microinstruction format
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/22Microcontrol or microprogram arrangements
    • G06F9/26Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003Arrangements for executing specific machine instructions
    • G06F9/3005Arrangements for executing specific machine instructions to perform operations for flow control
    • G06F9/30058Conditional branch instructions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30094Condition code generation, e.g. Carry, Zero flag

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
FR11903A 1964-04-06 1965-04-05 Improvement of the memory protection system Expired FR1436170A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR11903A FR1436170A (en) 1964-04-06 1965-04-05 Improvement of the memory protection system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US357387A US3328768A (en) 1964-04-06 1964-04-06 Storage protection systems
FR11903A FR1436170A (en) 1964-04-06 1965-04-05 Improvement of the memory protection system

Publications (1)

Publication Number Publication Date
FR1436170A true FR1436170A (en) 1966-04-22

Family

ID=26162885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR11903A Expired FR1436170A (en) 1964-04-06 1965-04-05 Improvement of the memory protection system

Country Status (1)

Country Link
FR (1) FR1436170A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553541A1 (en) * 1983-10-17 1985-04-19 Inst Nat Rech Inf Automat DEVICE AND METHOD FOR QUICK AND STABLE INFORMATION STORAGE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553541A1 (en) * 1983-10-17 1985-04-19 Inst Nat Rech Inf Automat DEVICE AND METHOD FOR QUICK AND STABLE INFORMATION STORAGE
WO1985001815A1 (en) * 1983-10-17 1985-04-25 Inria Institut National De Recherche En Informatiq Device and process for a fast and stable storage of data
US4734855A (en) * 1983-10-17 1988-03-29 Inria-Institut National De Recherche En Informatique Et En Automatique Apparatus and method for fast and stable data storage

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