JPS5733494A - Key control system of main storage - Google Patents

Key control system of main storage

Info

Publication number
JPS5733494A
JPS5733494A JP10588080A JP10588080A JPS5733494A JP S5733494 A JPS5733494 A JP S5733494A JP 10588080 A JP10588080 A JP 10588080A JP 10588080 A JP10588080 A JP 10588080A JP S5733494 A JPS5733494 A JP S5733494A
Authority
JP
Japan
Prior art keywords
request
flag
writing
register
accepted
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
Application number
JP10588080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS644215B2 (enrdf_load_stackoverflow
Inventor
Satoshi Koga
Keiichiro Uchida
Hiroshi Tamura
Mikio Ito
Naoaki Kasuya
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP10588080A priority Critical patent/JPS5733494A/ja
Publication of JPS5733494A publication Critical patent/JPS5733494A/ja
Publication of JPS644215B2 publication Critical patent/JPS644215B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
JP10588080A 1980-07-31 1980-07-31 Key control system of main storage Granted JPS5733494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10588080A JPS5733494A (en) 1980-07-31 1980-07-31 Key control system of main storage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10588080A JPS5733494A (en) 1980-07-31 1980-07-31 Key control system of main storage

Publications (2)

Publication Number Publication Date
JPS5733494A true JPS5733494A (en) 1982-02-23
JPS644215B2 JPS644215B2 (enrdf_load_stackoverflow) 1989-01-25

Family

ID=14419240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10588080A Granted JPS5733494A (en) 1980-07-31 1980-07-31 Key control system of main storage

Country Status (1)

Country Link
JP (1) JPS5733494A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS644215B2 (enrdf_load_stackoverflow) 1989-01-25

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