GB2465801B - Method and apparatus for providing data access - Google Patents
Method and apparatus for providing data accessInfo
- Publication number
- GB2465801B GB2465801B GB0821886A GB0821886A GB2465801B GB 2465801 B GB2465801 B GB 2465801B GB 0821886 A GB0821886 A GB 0821886A GB 0821886 A GB0821886 A GB 0821886A GB 2465801 B GB2465801 B GB 2465801B
- Authority
- GB
- United Kingdom
- Prior art keywords
- data access
- providing data
- providing
- 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.)
- Active
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)
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 GB0821886D0 (en) | 2009-01-07 |
GB2465801A GB2465801A (en) | 2010-06-02 |
GB2465801B true 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) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0473102A2 (en) * | 1990-08-29 | 1992-03-04 | Honeywell Inc. | Data communication system with checksum calculating 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 |
US6105160A (en) * | 1996-12-24 | 2000-08-15 | Nec Corporation | Packet error detecting device in a DMA transfer |
GB2383440A (en) * | 2001-12-21 | 2003-06-25 | Sun Microsystems Inc | DMA memory system with further DMA unit |
-
2008
- 2008-12-01 GB GB0821886A patent/GB2465801B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0473102A2 (en) * | 1990-08-29 | 1992-03-04 | Honeywell Inc. | Data communication system with checksum calculating 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 |
US6105160A (en) * | 1996-12-24 | 2000-08-15 | Nec Corporation | Packet error detecting device in a DMA transfer |
GB2383440A (en) * | 2001-12-21 | 2003-06-25 | Sun Microsystems Inc | DMA memory system with further DMA unit |
Also Published As
Publication number | Publication date |
---|---|
GB2465801A (en) | 2010-06-02 |
GB0821886D0 (en) | 2009-01-07 |
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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 |