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supervisor mode

Hello,

is it quite normal, that a arm9 microcontroller starts in the supervisor mode? How could I changed the mode into user mode? Or is it better to work in the supervisor mode?

I've only the startup file and a short main.c file

#include <stdio.h>

int main(void)
 {

 while(1);

}

In the startup file I only can see that every mode will be initialized.

best regards
tobi

0