Writing diretly to memory (memory mapped IO)

From: Sagaert Johan (sagaert.j)
Date: 09/06/05

Date: Tue, 6 Sep 2005 20:39:03 +0200


Can i directly write to memory ?

eg :

unsigned char * mappedport= 0x04000000L;


My first attemps failed , do i need some kind of privilege before i can do
that ?


(i am using uclinux on coldfire platform dilnetpc dnp/5280)