AU506710B2 - Method of accessing priviledged memory in a multiprogrammed data processing system - Google Patents

Method of accessing priviledged memory in a multiprogrammed data processing system

Info

Publication number
AU506710B2
AU506710B2 AU85661/75A AU8566175A AU506710B2 AU 506710 B2 AU506710 B2 AU 506710B2 AU 85661/75 A AU85661/75 A AU 85661/75A AU 8566175 A AU8566175 A AU 8566175A AU 506710 B2 AU506710 B2 AU 506710B2
Authority
AU
Australia
Prior art keywords
priviledged
accessing
memory
data processing
processing system
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
AU85661/75A
Other versions
AU8566175A (en
Inventor
J F Couleur
W A Shelly
R F Montee
P H Jennings
J E King
D L Shipley
T A Kinhan
R P Carlisle
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.)
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems 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 Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of AU8566175A publication Critical patent/AU8566175A/en
Application granted granted Critical
Publication of AU506710B2 publication Critical patent/AU506710B2/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
AU85661/75A 1974-10-21 1975-10-13 Method of accessing priviledged memory in a multiprogrammed data processing system Expired AU506710B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51655974A 1974-10-21 1974-10-21
US51655874A 1974-10-21 1974-10-21
USUS516,558 1974-10-21
USUS516,559 1974-10-21

Publications (2)

Publication Number Publication Date
AU8566175A AU8566175A (en) 1977-04-21
AU506710B2 true AU506710B2 (en) 1980-01-24

Family

ID=27058889

Family Applications (1)

Application Number Title Priority Date Filing Date
AU85661/75A Expired AU506710B2 (en) 1974-10-21 1975-10-13 Method of accessing priviledged memory in a multiprogrammed data processing system

Country Status (5)

Country Link
JP (1) JPS6042495B2 (en)
AU (1) AU506710B2 (en)
DE (1) DE2546354A1 (en)
FR (1) FR2289005A1 (en)
GB (1) GB1532251A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041462A (en) * 1976-04-30 1977-08-09 International Business Machines Corporation Data processing system featuring subroutine linkage operations using hardware controlled stacks
US4079453A (en) * 1976-08-20 1978-03-14 Honeywell Information Systems Inc. Method and apparatus to test address formulation in an advanced computer system
US4218743A (en) * 1978-07-17 1980-08-19 International Business Machines Corporation Address translation apparatus
US4366537A (en) * 1980-05-23 1982-12-28 International Business Machines Corp. Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys
US4454580A (en) * 1981-09-16 1984-06-12 International Business Machines Corporation Program call method and call instruction execution apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS447524Y1 (en) * 1965-10-23 1969-03-22
JPS4511372Y1 (en) * 1967-05-24 1970-05-21
JPS528337Y2 (en) * 1973-05-18 1977-02-22
GB1498116A (en) * 1974-04-18 1978-01-18 Honeywell Inf Systems Data processing systems

Also Published As

Publication number Publication date
GB1532251A (en) 1978-11-15
JPS6042495B2 (en) 1985-09-24
AU8566175A (en) 1977-04-21
FR2289005B1 (en) 1980-02-15
DE2546354A1 (en) 1976-04-22
JPS5165534A (en) 1976-06-07
FR2289005A1 (en) 1976-05-21

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