Address window support for direct memory access translation

Details Address window support for direct memory access translation Address window support for direct memory access translation

2011-07-19

2011-07-19

Tseng, Cheng-Yuan (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S028000, C718S100000

Reexamination Certificate

active

07984203

ABSTRACT:
An apparatus is disclosed. The apparatus includes a remapping circuit to facilitate access of one or more I/O devices to a memory device for direct memory access (DMA) transactions. The remapping circuit of the apparatus includes a translation mechanism to perform memory address translations for I/O DMA transactions via address window-based translations.

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