Fixed address variable in C

Question

For embedded applications, it is often necessary to access fixed memory locations for peripheral registers. The standard way I have found to do this is something like the f

Answer 1

To expand on litb's answer, you can also use the --just-symbols={symbolfile} option to define several symbols, in case you have more than a couple of memory-mapped devices. The symbol file needs to be in the format

symbolname1 = address;
symbolname2 = address;
...

(The spaces around the equals sign seem to be required.)