Re: [avr-gcc-list] memory sections

[Theodore A. Roth]

On Wed, 1 Oct 2003, Iztok Zupet wrote:

> Hello all,
>
> I would like to define a section of external memory at 0x8000 like that:
>
> #define NVRAM __attribute__((section(".nvram")))
>
> and use it like
>
> typedef struct _Nvram {
>       unsigned int seq;
>       unsigned int time;
>       unsigned char data[48];
> } Nvram;
>
> Nvram nvram NVRAM;
>
> What's the most convinient way to do it without mingling with the default LD
> scripts?

Add "-Wl,--section-start=.nvram=0x808000" to your link command.

It's in the users manual here:

  
http://savannah.nongnu.org/download/avr-libc/doc/avr-libc-user-manual/mem_sections.html

Ted Roth