Lpc2000

--- In lpc2000@yahoogroups.com, "sig5534" <sig5534@h...> wrote:
> 
> > Try calling it indirectly:
> > 
> > static void (*pramfunc)(void) = IAP_Test;
> > (*pramfunc)();
> > 
> > Karl Olsen
> 
> Karl, you're close but no cigar yet.  I tried it, and the compiler 
> took it, but when the call gets made I get a PreFetch Abort Excep 
> error.
> 
> The IAP_Test() func got put in RAM correctly.  It is right at 
> 0x40000000.  But the long call methodology is not quite right.  
> The "sjo" person mentioned something about another long call 
method.  
> But I'm not quite sure how he meant to set that up with the pragmas.
> 
> It's almost there.  Anymore ideas on making the long call?
> 
> Thanks,  Chris.

Either use gcc option -mlong-calls on the src file or
#pragma long_calls
void myfunc(void);
#pragma no_long_calls
in the header file

The objcopy is the simplest and will cause the least problems, 
especially if you have a *(.text*) defind in your linker script.

Regards
sjo