* A_INIT() handles any initialization needed by the OS abstraction,
* and it clears the application's BSS, if necessary. (Application BSS
* is not cleared if the application is linked into a single image that
* A_INIT() handles any initialization needed by the OS abstraction,
* and it clears the application's BSS, if necessary. (Application BSS
* is not cleared if the application is linked into a single image that