Re: [avr-gcc-list] External SRAM - change bss section?

[Michel Catudal]

Jochen Pernsteiner a écrit :
> 
> Hello,
> 
> how can I convince the compiler (or linker) that I have external
> SRAM connected to my  4414 or 8515 ?
> 
> The problem is that I want to use a large array as global variable,
> but the linker says that the bss section is to small.
> The compiler switch "-minit-stack" doesn't work of course, since it
> doesn't change the bss section. There is also a switch "-Tbss" for
> the linker, but it changes the starting address for bss. What I want
> is to change the end address of bss!
> 
> 
> For example this little (and useless) program won't compile:
> 
>   int array[500];
> 
>   int main()
>   {
>     return 0;
>   }
> 

You could try this

    int *array;
    array = (int *) 0x8000;

I haven't tried on this compiler but it would normally work
just about on any compiler with a linear 16 bits addressing.

Make sure you put a valid address.


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