[coldfire-gnu-discuss] Data & SRAM

[Nathan Sidwell]

Eric BENARD wrote:
> Hi,
> 
> after putting some code in SRAM, I still don't manage to get enough
> speed improvement.
> I would like to know if there is an easy way to put data & stack of one
> application in SRAM.
> I've tried several options in the linker configuration file but I still
> don't manage to get the app to execute properly.

The trick here is going to be to convince the uclinux loader to allocate the 
data segment to the SRAM.  That's going to involve kernel hackery.

It might be possible to place the stack into SRAM by judicous use of an assembly 
wrapper that moves SP.

nathan

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