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I get the error: L6218E: Undefined symbol __use_two_region_memory (referred from sam9261.o)

Martin Mailloux

I'm using uVision3.

My target platform is:AT91SAM9261.

I just created in project with the initial assembler code in it.

The generated code code:

; User Initial Stack & Heap AREA |.text|, CODE, READONLY

IMPORT __use_two_region_memory EXPORT __user_initial_stackheap
__user_initial_stackheap LDR R0, = Heap_Mem LDR R1, =(Stack_Mem + USR_Stack_Size) LDR R2, = (Heap_Mem + Heap_Size) LDR R3, = Stack_Mem BX LR

END

When I compile and link the code I get the error message:
L6218E: Undefined symbol __use_two_region_memory (referred from sam9261.o)

Where should __use_two_region_memory be defined?

This is my 1st project with uVision, any help will be appreciated.

Thank you.

Martin

  • 0

    Are you using the evaluation version? The eval version is limited in several ways, and I think that it can't use a two_region_memory model.

    Try to compile with a standard one_region_memory (the default) instead. Memory models are discussed in the RVCT Compiler and Libraries Guide MANUAL.