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CGEN: Program vs Data Memory
- To: Dave Brolley <brolley at redhat dot com>
- Subject: CGEN: Program vs Data Memory
- From: Doug Evans <dje at transmeta dot com>
- Date: Fri, 15 Sep 2000 13:10:21 -0700 (PDT)
- Cc: cgen at sources dot redhat dot com
- References: <39C28079.B6D723BF@redhat.com>
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?