DSP code swapping with continuous DSP execution
US6205522A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1998 |
| Grant date | Mar 20, 2001 |
| Priority date | — |
| Expiry date | Apr 15, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F8/656
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system is disclosed that includes a first processor, which in some embodiments includes a DSP, and a first memory pool and a second memory pool. The second memory pool is primarily associated with the DSP and stores code that is available for execution by the DSP. A plurality of code modules are stored in the first memory pool, which in some embodiments is associated with a second processor. The code modules are individually and dynamically swapped into the first memory pool, which in some embodiments is not large enough to simultaneously store all of the code modules. In some instances, the dynamic code module swapping is done at the direction of a second processor, which is aware of the state of the DSP execution. In other instances, the dynamic code module swapping is done at the direction of the DSP. In each instance, dynamic code swapping is performed in a manner that minimizes or eliminates any halts in DSP instruction execution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.