Changes

If <code>what</code> is 0 or any invalid value, nothing is done.  

If <code>what</code> is 0 or any invalid value, nothing is done.  

If it is 1, <code>val != 0</code> is written to the global variable enabling register dumps on CPU exceptions (dumps that are fetched with svcGetDebugThre44adContext)   

If it is 1, <code>val != 0</code> is written to the global variable enabling register dumps on CPU exceptions (dumps that are fetched with svcGetDebugThreadContext)   

If 2, kernelpanic will be called when svcBreak is used by a non-attached process

If 2, kernelpanic will be called when svcBreak is used by a non-attached process