eCos -3.0 beta1
From past 4 years am working on eCos 2.0(GPL) based product. Its an RTOS, i have learned a quite a bit of RTOS concepts from this OS only. Its a simple and also integrated with the Redboot bootloader. So one can even concentrate on the bootloader along with the OS, according to their interest. Now eCos 3.0 beta1 have come out. One can see the site. http://ecos.sourceware.org/ml/ecos-discuss/2009-02/msg00097.html -srinivas.