medium10 pts · first answer countsstartup-codememory-layout

Initialised global reads garbage

After switching to a custom startup file, int threshold = 50; reads a random value at the start of main, while zero-initialised globals look fine. What is wrong?

A.The compiler optimised the variable awayB.The stack is too smallC.The startup code no longer copies the .data section from flash to RAMD.The variable needs to be volatile

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Initialised global reads garbage

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