CGEN: Program vs Data Memory

[Doug Evans]

Dave Brolley writes:
 > The port I'm working on has a harvard Architecture with separate program
 > and data memory, both addressed from 0 to 4M. Does CGEN have anything
 > for handling this, or should I just map references to data memory myself
 > by adding 4M? How do I communicate this to gdb?

Depends, I guess.

There is the hardware "selector" facility which was added to
support things like sparc's ASI's.  Maybe that could be used
[not saying you won't run into some unimplemented things though].

You need to elaborate on your gdb question.
How is this relevant to cgen?