Can I force global variables into L0 ram ?

GEOFF JACKSON

I'd like to force all my global variables into L0 ram so that their addresses fit into 16-bits for an external program that uses the .map file.

Can I do this, and if so how ? Also, is it possible to specify a specific address for the start of these variables within L0 ?

Geoff

over 9 years ago

0 Pierre Bouchet1 over 9 years ago

Expert 2575 points

Hello,

You could do something like:

#define OFFSET 0x80

MEMORY
{
PAGE 1:
    RAML0 : origin = 0x008000 + OFFSET, length = 0x000800 - OFFSET
}

SECTIONS
{
    .ebss : > RAML0, PAGE = 1
}

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Can I force global variables into L0 ram ?