Calling code

Hi!

I'd like to know if it is possible to jump to a certain address, run code from there and then return to the kernel-module (the caller). That code is located somewhere in the physical address space and uses (internal) also physical addesses. I tried to ioremap that function, but unfortunatly I got some page faults causing an Oops. I realized that this approach will not work regarding the fixed and absolute addresses in the code.

So is there a way to jump to a certain address, run code from there and after execution return to the caller? I would prefere a way without assembly :-)

Regards,

#micha

/* To err is human; to really fuck things up requires the root password */