you dont have to chnage the whole source code...the arch directory was made for that very purpose ...portability with little changes...the other source files would call sys_calls whose definitions are there in the arch directory so u have to change only /arch and everything will fall in place...but i think the /arch dir covers a wide range of architectiure.

-troy

--- Anand Kumar Saha anand.kumar@gavsin.com wrote:

hi,

In order to port the kernel to a new microprocessor architecture, i need to write the machine specific code for the routines in the /arch directory. is that all, or other source files are to be modified as well?

note that i am not specifying any arcitecture, and leaving the question very generic. i want to know how much effort and skill one has to put to port the kernel. What all changes/addendums has he to make?

regards, anand saha.

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