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* API: Improve glue mid-layer of the API demo application.Rafal Jaworowski2009-02-18-33/+25
| | | | | | | | | | | | | | | - Extend ub_dev_read() and ub_dev_recv() so they return the length actually read, which allows for better control and error handling (this introduces additional error code API_ESYSC returned by the glue mid-layer). - Clean up definitions naming and usage. - Other minor cosmetics. Note these changes do not touch the API proper, so the interface between U-Boot and standalone applications remains unchanged. Signed-off-by: Rafal Jaworowski <raj@semihalf.com>
* API: Use stack pointer as API signature search hint in the glue layer.Rafal Jaworowski2009-02-18-2/+9
| | | | | | | | | | De-hardcode range in RAM we search for the API signature. Instead use the stack pointer as a hint to narrow down the range in which the signature could reside (it is malloc'ed on the U-Boot heap, and is hoped to remain in some proximity from stack area). Adjust PowerPC code in API demo to the new scheme. Signed-off-by: Rafal Czubak <rcz@semihalf.com> Signed-off-by: Rafal Jaworowski <raj@semihalf.com>
* Coding Style cleanup; update CHANGELOGWolfgang Denk2008-01-10-2/+2
| | | | Signed-off-by: Wolfgang Denk <wd@denx.de>
* API for external applications.Rafal Jaworowski2008-01-09-0/+405
This is an API for external (standalone) applications running on top of U-Boot, and is meant to be more extensible and robust than the existing jumptable mechanism. It is similar to UNIX syscall approach. See api/README for more details. Included is the demo application using this new framework (api_examples). Please note this is still an experimental feature, and is turned off by default. Signed-off-by: Rafal Jaworowski <raj@semihalf.com>