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GB0821886D0 - Method and apparatus forproviding data access - Google Patents

Method and apparatus forproviding data access

Info

Publication number
GB0821886D0
GB0821886D0 GB0821886A GB0821886A GB0821886D0 GB 0821886 D0 GB0821886 D0 GB 0821886D0 GB 0821886 A GB0821886 A GB 0821886A GB 0821886 A GB0821886 A GB 0821886A GB 0821886 D0 GB0821886 D0 GB 0821886D0
Authority
GB
United Kingdom
Prior art keywords
data access
forproviding
apparatus forproviding
access
data
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
GB0821886A
Other versions
GB2465801A (en
GB2465801B (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.)
Virtensys Ltd
Original Assignee
Virtensys 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 Virtensys Ltd filed Critical Virtensys Ltd
Priority to GB0821886A priority Critical patent/GB2465801B/en
Priority to US12/328,381 priority patent/US9880954B2/en
Publication of GB0821886D0 publication Critical patent/GB0821886D0/en
Priority to PCT/GB2009/002751 priority patent/WO2010063985A1/en
Publication of GB2465801A publication Critical patent/GB2465801A/en
Application granted granted Critical
Publication of GB2465801B publication Critical patent/GB2465801B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10—Program control for peripheral devices
    • G06F13/105—Program control for peripheral devices where the programme performs an input/output emulation function
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB0821886A 2008-12-01 2008-12-01 Method and apparatus for providing data access Active GB2465801B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0821886A GB2465801B (en) 2008-12-01 2008-12-01 Method and apparatus for providing data access
US12/328,381 US9880954B2 (en) 2008-12-01 2008-12-04 Method and apparatus for providing data access
PCT/GB2009/002751 WO2010063985A1 (en) 2008-12-01 2009-11-26 Method and apparatus for i/o device virtualization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0821886A GB2465801B (en) 2008-12-01 2008-12-01 Method and apparatus for providing data access

Publications (3)

Publication Number Publication Date
GB0821886D0 true GB0821886D0 (en) 2009-01-07
GB2465801A GB2465801A (en) 2010-06-02
GB2465801B GB2465801B (en) 2014-05-14

Family

ID=40262446

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0821886A Active GB2465801B (en) 2008-12-01 2008-12-01 Method and apparatus for providing data access

Country Status (1)

Country Link
GB (1) GB2465801B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111209504A (en) * 2020-01-06 2020-05-29 北京百度网讯科技有限公司 Method and apparatus for accessing map data

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69114788T2 (en) * 1990-08-29 1996-07-11 Honeywell Inc Data transmission system with checksum computing means.
US5832246A (en) * 1996-12-03 1998-11-03 Toshiba America Information Systems, Inc. Virtualization of the ISA bus on PCI with the existence of a PCI to ISA bridge
JP3165050B2 (en) * 1996-12-24 2001-05-14 九州日本電気通信システム株式会社 Packet error detection method
GB2383440A (en) * 2001-12-21 2003-06-25 Sun Microsystems Inc DMA memory system with further DMA unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111209504A (en) * 2020-01-06 2020-05-29 北京百度网讯科技有限公司 Method and apparatus for accessing map data
CN111209504B (en) * 2020-01-06 2023-09-22 北京百度网讯科技有限公司 Method and apparatus for accessing map data

Also Published As

Publication number Publication date
GB2465801A (en) 2010-06-02
GB2465801B (en) 2014-05-14

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120503 AND 20120509