GB1557111A - Data processing apparatus - Google Patents

Data processing apparatus

Info

Publication number
GB1557111A
GB1557111A GB14244/77A GB1424477A GB1557111A GB 1557111 A GB1557111 A GB 1557111A GB 14244/77 A GB14244/77 A GB 14244/77A GB 1424477 A GB1424477 A GB 1424477A GB 1557111 A GB1557111 A GB 1557111A
Authority
GB
United Kingdom
Prior art keywords
processing apparatus
data processing
data
processing
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
GB14244/77A
Other languages
English (en)
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
Priority to US05/890,357 priority Critical patent/US4187664A/en
Publication of GB1557111A publication Critical patent/GB1557111A/en
Expired 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

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 (AREA)
GB14244/77A 1976-04-30 1977-04-05 Data processing apparatus Expired GB1557111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/890,357 US4187664A (en) 1977-04-05 1978-03-27 Agricultural machine structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/681,985 US4035779A (en) 1976-04-30 1976-04-30 Supervisor address key control system

Publications (1)

Publication Number Publication Date
GB1557111A true GB1557111A (en) 1979-12-05

Family

ID=24737708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14244/77A Expired GB1557111A (en) 1976-04-30 1977-04-05 Data processing apparatus

Country Status (8)

Country Link
US (1) US4035779A (enExample)
JP (1) JPS52132735A (enExample)
AU (1) AU506942B2 (enExample)
BR (1) BR7702780A (enExample)
CA (1) CA1075823A (enExample)
FR (1) FR2349919A1 (enExample)
GB (1) GB1557111A (enExample)
SE (1) SE418019B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4355355A (en) * 1980-03-19 1982-10-19 International Business Machines Corp. Address generating mechanism for multiple virtual spaces
US4471457A (en) * 1980-08-21 1984-09-11 International Business Machines Corporation Supervisory control of peripheral subsystems
US4519032A (en) * 1982-06-09 1985-05-21 At&T Bell Laboratories Memory management arrangement for microprocessor systems
JPS5958700A (ja) * 1982-09-29 1984-04-04 Fujitsu Ltd 記憶保護判定方式
JPH01112450A (ja) * 1987-10-27 1989-05-01 Sharp Corp メモリ管理ユニット
JPH0833865B2 (ja) * 1989-02-06 1996-03-29 株式会社日立製作所 データ処理方式
US5627987A (en) * 1991-11-29 1997-05-06 Kabushiki Kaisha Toshiba Memory management and protection system for virtual memory in computer system
US5548746A (en) * 1993-11-12 1996-08-20 International Business Machines Corporation Non-contiguous mapping of I/O addresses to use page protection of a process
IES70738B2 (en) * 1996-09-09 1996-12-11 Cara Research Limited A data processing system
US7356351B1 (en) * 2000-12-22 2008-04-08 Durham Logistics, Llc Method and apparatus for disabling the RF functionality of a multi-function wireless communication device while maintaining local functionality
US7590819B2 (en) * 2005-05-09 2009-09-15 Lsi Logic Corporation Compact memory management unit
JP4872402B2 (ja) * 2006-03-20 2012-02-08 日本電気株式会社 マルチプロセッサシステムのメモリアクセス負荷分散装置および方法
GB2438297A (en) * 2006-05-19 2007-11-21 Ibm Computer program for move data facility with user selectable storage access keys
US7594094B2 (en) * 2006-05-19 2009-09-22 International Business Machines Corporation Move data facility with optional specifications
US7581074B2 (en) * 2006-05-19 2009-08-25 International Business Machines Corporation Facilitating use of storage access keys to access storage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3328765A (en) 1963-12-31 1967-06-27 Ibm Memory protection system
US3328768A (en) * 1964-04-06 1967-06-27 Ibm Storage protection systems
US3377624A (en) * 1966-01-07 1968-04-09 Ibm Memory protection system
US3916385A (en) * 1973-12-12 1975-10-28 Honeywell Inf Systems Ring checking hardware

Also Published As

Publication number Publication date
JPS52132735A (en) 1977-11-07
FR2349919B1 (enExample) 1980-02-01
FR2349919A1 (fr) 1977-11-25
CA1075823A (en) 1980-04-15
AU506942B2 (en) 1980-01-31
BR7702780A (pt) 1978-02-21
AU2474977A (en) 1978-11-09
US4035779A (en) 1977-07-12
JPS5739000B2 (enExample) 1982-08-18
SE418019B (sv) 1981-04-27
SE7704965L (sv) 1977-10-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee