GB2221066B - Data processing system - Google Patents

Data processing system

Info

Publication number
GB2221066B
GB2221066B GB8910994A GB8910994A GB2221066B GB 2221066 B GB2221066 B GB 2221066B GB 8910994 A GB8910994 A GB 8910994A GB 8910994 A GB8910994 A GB 8910994A GB 2221066 B GB2221066 B GB 2221066B
Authority
GB
United Kingdom
Prior art keywords
data processing
processing system
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 - Fee Related
Application number
GB8910994A
Other versions
GB2221066A (en
GB8910994D0 (en
Inventor
Adrian Richard Frost
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 Services Ltd
Original Assignee
Fujitsu Services 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 Services Ltd filed Critical Fujitsu Services Ltd
Publication of GB8910994D0 publication Critical patent/GB8910994D0/en
Publication of GB2221066A publication Critical patent/GB2221066A/en
Application granted granted Critical
Publication of GB2221066B publication Critical patent/GB2221066B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/0284—Multiple user address space allocation, e.g. using different base addresses

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
GB8910994A 1988-06-14 1989-05-12 Data processing system Expired - Fee Related GB2221066B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888814076A GB8814076D0 (en) 1988-06-14 1988-06-14 Data processing system

Publications (3)

Publication Number Publication Date
GB8910994D0 GB8910994D0 (en) 1989-06-28
GB2221066A GB2221066A (en) 1990-01-24
GB2221066B true GB2221066B (en) 1992-09-02

Family

ID=10638632

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888814076A Pending GB8814076D0 (en) 1988-06-14 1988-06-14 Data processing system
GB8910994A Expired - Fee Related GB2221066B (en) 1988-06-14 1989-05-12 Data processing system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888814076A Pending GB8814076D0 (en) 1988-06-14 1988-06-14 Data processing system

Country Status (1)

Country Link
GB (2) GB8814076D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239724B (en) * 1990-01-05 1993-11-24 Sun Microsystems Inc Apparatus for maintaining consistency in a multi-processor computer system using virtual caching
JPH04246745A (en) * 1991-02-01 1992-09-02 Canon Inc Memory access system
US5937436A (en) * 1996-07-01 1999-08-10 Sun Microsystems, Inc Network interface circuit including an address translation unit and flush control circuit and method for checking for invalid address translations
US5991854A (en) * 1996-07-01 1999-11-23 Sun Microsystems, Inc. Circuit and method for address translation, using update and flush control circuits
US6073224A (en) * 1996-07-01 2000-06-06 Sun Microsystems, Inc. Network interface circuit with replacement circuitry and method for segregating memory in an address translation unit with locked and unlocked regions
US5983332A (en) * 1996-07-01 1999-11-09 Sun Microsystems, Inc. Asynchronous transfer mode (ATM) segmentation and reassembly unit virtual address translation unit architecture

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149158A (en) * 1983-10-31 1985-06-05 Sun Microsystems Inc Memory management system
EP0156989A1 (en) * 1984-04-06 1985-10-09 Siemens Aktiengesellschaft Method and arrangement providing chronologically real memory addresses for direct access to the main memory by peripheral devices in a data processing system
US4959770A (en) * 1986-05-23 1990-09-25 Hitachi Ltd. Data processing system employing two address translators, allowing rapid access to main storage by input/output units

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149158A (en) * 1983-10-31 1985-06-05 Sun Microsystems Inc Memory management system
EP0156989A1 (en) * 1984-04-06 1985-10-09 Siemens Aktiengesellschaft Method and arrangement providing chronologically real memory addresses for direct access to the main memory by peripheral devices in a data processing system
US4959770A (en) * 1986-05-23 1990-09-25 Hitachi Ltd. Data processing system employing two address translators, allowing rapid access to main storage by input/output units

Also Published As

Publication number Publication date
GB8814076D0 (en) 1988-07-20
GB2221066A (en) 1990-01-24
GB8910994D0 (en) 1989-06-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050512