Converting non-contiguous memory into contiguous memory for a graphics processor
US6370633B2 · kind B2 · utility
13Cited by
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25Claims
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Key dates
| Filing date | Feb 9, 1999 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Feb 9, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/125
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for managing memory used by a device driver in an operating system. The method comprises: (i) configuring a chipset to set up a mapping table for memory address translation, (ii) allocating a device memory in response to a request by the device driver, and (iii) mapping non-contiguous system memory to contiguous device memory using the mapping table.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.