CN111666237B - 具有高速缓存管理功能的dma控制器 - Google Patents
具有高速缓存管理功能的dma控制器 Download PDFInfo
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- CN111666237B CN111666237B CN202010513017.2A CN202010513017A CN111666237B CN 111666237 B CN111666237 B CN 111666237B CN 202010513017 A CN202010513017 A CN 202010513017A CN 111666237 B CN111666237 B CN 111666237B
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- 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
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- 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
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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CN202010513017.2A CN111666237B (zh) | 2020-06-08 | 2020-06-08 | 具有高速缓存管理功能的dma控制器 |
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CN202010513017.2A CN111666237B (zh) | 2020-06-08 | 2020-06-08 | 具有高速缓存管理功能的dma控制器 |
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CN111666237A CN111666237A (zh) | 2020-09-15 |
CN111666237B true CN111666237B (zh) | 2022-06-28 |
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CN202010513017.2A Active CN111666237B (zh) | 2020-06-08 | 2020-06-08 | 具有高速缓存管理功能的dma控制器 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114448780B (zh) * | 2022-01-27 | 2023-06-20 | 西安微电子技术研究所 | 一种基于pcie接口的以太网控制器异常处理系统和方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108304335A (zh) * | 2018-02-07 | 2018-07-20 | 南京南瑞继保电气有限公司 | 一种通过dma接收串口不定长报文的方法 |
CN110071755A (zh) * | 2019-04-26 | 2019-07-30 | 中国电子科技集团公司第五十四研究所 | 一种卫星移动通信射频接口控制器及射频信号处理装置 |
CN110941578A (zh) * | 2019-11-26 | 2020-03-31 | 成都天玙兴科技有限公司 | 一种具有dma功能的lio的设计方法及装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0427407A3 (en) * | 1989-11-03 | 1993-03-10 | Compaq Computer Corporation | Parallel port with direct memory access capabilities |
CN100527111C (zh) * | 2007-09-29 | 2009-08-12 | 北京时代民芯科技有限公司 | 一种片上dma电路及其实现方法 |
CN103176932B (zh) * | 2011-12-23 | 2017-04-26 | 锐迪科(重庆)微电子科技有限公司 | 一种dma数据传输方法及系统 |
CN103793342B (zh) * | 2012-11-02 | 2017-02-08 | 中兴通讯股份有限公司 | 一种多通道直接内存存取dma控制器 |
CN104104412B (zh) * | 2014-07-28 | 2016-09-14 | 科大智能电气技术有限公司 | 一种基于dma的电力线网络系统及其通讯方法 |
CN104850517B (zh) * | 2015-05-20 | 2018-01-12 | 新华三技术有限公司 | 一种dma传输报文数据的方法及装置 |
CN105183680B (zh) * | 2015-09-18 | 2018-03-20 | 烽火通信科技股份有限公司 | 实现PCIe接口转CF卡接口的FPGA芯片及方法 |
CN106951388B (zh) * | 2017-03-16 | 2020-06-30 | 湖南博匠信息科技有限公司 | 一种基于PCIe的DMA数据传输方法及系统 |
CN109471816B (zh) * | 2018-11-06 | 2021-07-06 | 西安微电子技术研究所 | 一种基于描述符的pcie总线dma控制器及数据传输控制方法 |
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2020
- 2020-06-08 CN CN202010513017.2A patent/CN111666237B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108304335A (zh) * | 2018-02-07 | 2018-07-20 | 南京南瑞继保电气有限公司 | 一种通过dma接收串口不定长报文的方法 |
CN110071755A (zh) * | 2019-04-26 | 2019-07-30 | 中国电子科技集团公司第五十四研究所 | 一种卫星移动通信射频接口控制器及射频信号处理装置 |
CN110941578A (zh) * | 2019-11-26 | 2020-03-31 | 成都天玙兴科技有限公司 | 一种具有dma功能的lio的设计方法及装置 |
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Effective date of registration: 20220531 Address after: 518000 9C, building 8, Haiyin Great Wall, Nanshan District, Shenzhen, Guangdong Applicant after: Wang Bin Applicant after: Shenzhen Longxin Information Technology Co.,Ltd. Address before: 518000 9C, building 8, Haiyin Great Wall, Nanshan District, Shenzhen, Guangdong Applicant before: Wang Bin |
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Effective date of registration: 20230727 Address after: Unit 12-B, North Science and Technology Innovation Building, No. 9 Yuexing Fifth Road, Gaoxin District Community, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Longxin Information Technology Co.,Ltd. Address before: 518000 9C, building 8, Haiyin Great Wall, Nanshan District, Shenzhen, Guangdong Patentee before: Wang Bin Patentee before: Shenzhen Longxin Information Technology Co.,Ltd. |