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Altera_Forum
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10 years ago

malloc problem

Hello I am using Quarts and Nios 9.1 versions. In my board I have external (altmemddr) and on-chip (inside Cyclone III) memory. In the system library properties all memory (including rwdata...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

I don't want to put a heap on altmemddr as I want that all variables will be handled in fast way (as it is done on the on-chip memory).

I have tried to allocate an array in this way:

unsigned char CisSheetQueue[65535] __attribute__ ((section(".altmemddr.rwdata"))); // Locate this array in DDR

But in this way the code (that burned to the flash memory) is jumping from 120K to 280K. And I have a limited space to program this code to the specific sector of the flash.