Hai
RTOS contains two parts. one is processor specific codes & another one is processor independent codes. porting means write the above two parts in to ur device which is going to be ported & change the processor specific codes inorder to support the independent part of RTOS code.
Re: what is meant by " porting a rtos to any mc family&
Porting is divided into two types:
1. Architecture Porting which ports the context switch and interrupts to the OS
2. Board porting which is concerned to board support package and device drivers
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Amr Ali www.embedded-tips.blogspot.com