Martin Stein 909ab8dcd0 hw: communicate page faults via signals ... Enable routing of thread events to signal contexts via Kernel::route_thread_event. Replace Kernel::set_pager by Kernel::route_thread_event. In base-hw a pager object is a signal context and a pager activation is a signal receiver. If a thread wants to start communicating its page faults via a pager object, the thread calls Kernel::route_thread_event with its thread ID, event ID "FAULT", and the signal context ID of the pager object. If a pager activation wants to start handling page faults of a pager object, the pager activation assigns the corresponding signal context to its signal receiver. If a pager activation wants to stop handling page faults of a pager object, the pager activation dissolves the corresponding signal context from its signal receiver. If a thread wants to start communicating its page faults via a pager object, the thread calls Kernel::route_thread_event with its thread ID, event ID "FAULT", and the invalid signal context ID. Remove Kernel::resume_faulter. Move all page fault related code from generic kernel sources to CPU specific cpu_support.h and cpu_support.cc. fix #935		2013-11-14 19:57:31 +01:00
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mk	hw: communicate page faults via signals	2013-11-14 19:57:31 +01:00