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Stack Location (Cortex-M)

Alistair Lowe

Hi guys,

I'm wishing to move the location of the stack but how is this possible? In the startup.s I have

                EXPORT  __initial_sp
Stack_Size      EQU     0x00000200

                AREA    STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem       SPACE   Stack_Size
__initial_sp

However there's no option for the location and nothing specific for the stack appears to show up in the generate scatter file.

I'm a little lost and would appreciate any help.

Many thanks

Parents
  • 0 in reply to ImPer Westermark

    Yes, I will ultimately do this if I have no choice but I was hoping to keep within the default uVision layout - this is so that those who come after me will have less of a learning curve and the software is easier to maintain.

    It feels as though I should be able to reserve a block of space within an area without having to resort to scatter files.

    One thing I can say form all of this is that the scatter-file/memory allocation system in uVision could do with a rethink and overhaul. Ideally you want scatter file editing to be natively possible, as it seems, for me at least, I almost always end up having to implement my own.

Reply
  • 0 in reply to ImPer Westermark

    Yes, I will ultimately do this if I have no choice but I was hoping to keep within the default uVision layout - this is so that those who come after me will have less of a learning curve and the software is easier to maintain.

    It feels as though I should be able to reserve a block of space within an area without having to resort to scatter files.

    One thing I can say form all of this is that the scatter-file/memory allocation system in uVision could do with a rethink and overhaul. Ideally you want scatter file editing to be natively possible, as it seems, for me at least, I almost always end up having to implement my own.

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