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Hello Ilja & Edgar! >I strongly advise you to switch to CVS. Although it is not a release it >is pretty much stable. eCos CVS is not a development repository but >rather a rolling release. Okay, I'll switch to the CVS source during this weekend :) >It would be best to start with configuration that only employs on-chip >memory. I do not know your configuration (CDL, memory layout) so I shall >talk in terms of Kinetis and STM32 port. They have SRAM startup type >that is intended for usage with JTAG. Provided that your controller has >enough internal RAM this is the simplest way to bring system to life and >JTAG should work from scratch. ROM startup that uses only on-chip ROM >ans RAM is almost equally easy provided that you have a tool to program >controller's flash. >To sum up try to build system with on-chip memory first. I've changed the startup type to SRAM. Now it looks a little bit better: I reach hal_reset_vsr() in the architecture HAL. The problem I have now is that I hang at the line __asm__ volatile("swi"); Does this indicates a specific matter I have not attended to? Please don't get me wrong - I'm not too lazy for researching solutions for my problems. But in this theme I don't really know how I could handle my problems. So thank you very much for all your previous answers! Have a nice weekend, Lukas -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss