DE3174378D1 - Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys - Google Patents

Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys

Info

Publication number
DE3174378D1
DE3174378D1 DE8181103170T DE3174378T DE3174378D1 DE 3174378 D1 DE3174378 D1 DE 3174378D1 DE 8181103170 T DE8181103170 T DE 8181103170T DE 3174378 T DE3174378 T DE 3174378T DE 3174378 D1 DE3174378 D1 DE 3174378D1
Authority
DE
Germany
Prior art keywords
transfer
different
data
program control
address spaces
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
DE8181103170T
Other languages
English (en)
Inventor
Andrew Robert Heller
William Spencer Worley
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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3174378D1 publication Critical patent/DE3174378D1/de
Expired legal-status Critical Current

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
    • G06F12/1466—Key-lock mechanism
    • G06F12/1475—Key-lock mechanism in a virtual system, e.g. with translation means
DE8181103170T 1980-05-23 1981-04-28 Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys Expired DE3174378D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/152,919 US4366537A (en) 1980-05-23 1980-05-23 Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys

Publications (1)

Publication Number Publication Date
DE3174378D1 true DE3174378D1 (en) 1986-05-22

Family

ID=22545010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181103170T Expired DE3174378D1 (en) 1980-05-23 1981-04-28 Authorization mechanism for transfer of program control or data between different address spaces having different storage protect keys

Country Status (5)

Country Link
US (1) US4366537A (de)
EP (1) EP0040702B1 (de)
JP (1) JPS5710842A (de)
CA (1) CA1159965A (de)
DE (1) DE3174378D1 (de)

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Also Published As

Publication number Publication date
JPS5710842A (en) 1982-01-20
EP0040702B1 (de) 1986-04-16
US4366537A (en) 1982-12-28
CA1159965A (en) 1984-01-03
EP0040702A3 (en) 1982-01-13
JPH0137775B2 (de) 1989-08-09
EP0040702A2 (de) 1981-12-02

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee