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Force to use register instead of ram memory

Question asked by jean-christophe fontaine on Jul 19, 2016
Latest reply on Jul 19, 2016 by jean-christophe fontaine

Hello,

 

I've a function to test my ram a the begining of my software.

 

In this function, I fill whole the ram area with a pattern and I read the ram area to compare with the written pattern.

 

This function is written in C to be portable on other project.

 

This function uses 2 variables:

 

teStdReturnType MTST_TestRamIsOk(void)

{

 

teStdReturnType eReturn;

UINT32 u32Address;

..

return(eReturn);

}

 

Actually this function uses just registers, it is perfect because it doesn't use the ram memory.

 

But I need to be sure this function never use ram memory.

 

Is a directive or a command exist to force this function to use just registers ?

 

Thanks for your support.

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