发明名称 Method and systems to restrict usage of a DMA channel
摘要 In at least some embodiments, a system comprises a processor and a direct memory access (DMA) subsystem coupled to the processor. The system further comprises a component coupled to the DMA subsystem via an interconnect employing security rules, wherein, if the component requests a DMA channel, the DMA subsystem restricts usage of the DMA channel based on the security rules.
申请公布号 EP1801700(A1) 申请公布日期 2007.06.27
申请号 EP20050292788 申请日期 2005.12.23
申请人 TEXAS INSTRUMENTS INC.;TEXAS INSTRUMENTS FRANCE 发明人 CONTI, GREGORY R.
分类号 G06F13/28;G06F21/85 主分类号 G06F13/28
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