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Altera_Forum
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19 years ago

Global pointer _gp

Dear Forum I'm trying to allocate some data in a new section to avoid having them zeroed during a boot. I use __attribute__ ((section (".nv_sram"))) after the declaration of the variabl...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
19 years ago

Hi Jskjoet,

I have a section of NVR like yours and use the __attribute__ to put stuff into it like this:

unsigned short fred __attribute__ ....

If I then try to use fred from another file with:

extern unsigned short fred;

then I get the same "can't reach...".

You have to tell the compiler that the variable is in the NVR section, which may be far away:

extern unsigned short fred __attribute__ ....

Banx.