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

Hi

Can i directly write to memory ?

eg :

unsigned char * mappedport= 0x04000000L;

*=mappedport=my_data_to_write

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

Johan

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