sid/main/dynamic/ChangeLog:
2006-09-15  Dave Brolley  <brolley@redhat.com>

	* mainDynamic.cxx (usage): Document --reversible.
	(try_add_memory): Call sess->add_memory.
	(option_num): add opt_reversible.
	(long_options): Add "reversible".
	(main): Handle opt_reversible.
	* commonCfg.h (set_reversible): New method of SessionCfg.
	(add_memory): Likewise.
	(reversible_p): New member of SessionCfg.
	(memory): Likewise.
	* commonCfg.cxx (CpuCfg): Establish sim-sched relation.
	(SessionCfg): Initialize reversible_p.
	(SessionCfg::write_load): Set up all memory regions as reversible,
	if requested.
	(BoardCfg::write_config): Set up the cpu to be reversible, if
	requested.

sid/include/ChangeLog:
2006-09-15  Dave Brolley  <brolley@redhat.com>

	* sidmiscutil.h (change_log): New utility class.
	* sidcpuutil.h (basic_cpu): Now inherits from reversible_component.
	(step_pin_handler): Parameter now named 'tick'. Save the current
	tick. Handle exec_direction == "backward". Initialize change logging,
	if reversible. Finish change logging, if reversible.
	(step_backward): New method of basic_cpu.
	(reset_pin_handler): Terminte the current change log, if any.
	Set exec_direction to "forward".
	(change_log,change_log_begin,change_log_end,change_log_boundaries)
	(change_string,exec_direction,sim_sched,current_tick,last_tick): New
	members of basic_cpu.
	(init_change_logging,finish_change_logging,log_change)
	(restore_state_to_time): New virtual methods of basic_cpu.
	(basic_cpu): Initialize change_log, change_log_begin,
	change_log_end, change_log_boundaries, last_tick, exec_direction,
	and sim_sched. Add the exec-direction and sim-sched attributes.
	* sidattrutil.h (reversible_component): New mix-in class.

sid/component/sched/ChangeLog:
2006-09-15  Dave Brolley  <brolley@redhat.com>

	* compSched.cxx (deliver_regular): Drive rnext->when.
	(deliver_irregular): Drive irnext->when.
	(advancy_any): Check yield_step_loop_p.
	(cancel_all): New method of generic_scheduler.
	(time_set_pin): New member of scheduler_component.
	(scheduler_component::set_time): Call set_now with 'then - 1'.
	Call sched.cancel_all. Drive time_set_pin.
	(scheduler_component_ctor_1): Add time-set pin.

sid/component/memory/ChangeLog:
2006-09-15  Dave Brolley  <brolley@redhat.com>

	* generic.h: Remove 'using sidutil::no_relation_component'. Add
	'using sidutil::fixed_relation_map_component'.
	(generic_memory): New inherits from reversible_component and
	fixed_relation_map_component. Now inherits virtually from
	fixed_pin_map_component and fixed_attribute_map_component.
	(sched): New member of generic_memory.
	(change_log): Likewise.
	(record_update): New method of generic_memory.
	(restore_state_to_time): Likewise.
	(generic_read_write_bus::write_any): call record_update if this
	memory is reversible.
	* generic.cxx (generic_memory): Initialize sched and
	change_log. Add sim-sched relation.
	(record_update): New method of generic_memory.
	(restore_state_to_time): Likewise.

sid/component/gdb/ChangeLog:
2006-09-15  Dave Brolley  <brolley@redhat.com>

	* gdbserv-target.h (set_exec_direction): New member of
	gdbserv_target.
	* gdbserv-state.c (gdbserv_data_packet): Initialize exec_direction.
	Check for a 'b' prefix for the S, s, C, and c packets.  Call
	gdbserv->target->set_exec_direction.
	* gdb.h (set_exec_direction): New function prototype.
	* gdb.cxx (set_exec_direction_hook): New function.
	(gdbsid_target_attach): Set gdbtarget->set_exec_direction.
	(set_exec_direction): New function.