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2 pj 1
1) Check save_fpu & c... It works, but the code is not very clean...
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	Clean it.
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   VERY LOW PRIORITY
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2) Test the interrupt mechanism...	DONE
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	Clean the act_int interface... (remove context? Like wake_up...)
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		At least, look at it...
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   MEDIUM PRIORITY
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3) Time: clean up the time-exact code... Implement the Pentium timestamp
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	code...
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   MEDIUM PRIORITY
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4) Interface:
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	init(...)	look at the parameters
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	event_post(time, handler, parameters)
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		It returns a pointer to an event structure, allocated from
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		a static array... Why not passing the pointer to an event
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		structure (allocated by the user) as a parameter?
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	irq_bind(irq, handler, flags)   OK.
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	context_create(task, stack, arg, killer, ctrl)
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		As for event_post... Why not passing a pointer to the
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		context as a parameter?
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	context_delete(c)       OK.
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	get_time()	Define something like TIME_HIGHRES, for the pentium
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		timestamp...
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	context_save()	OK.
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	context_load(c)	OK.
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	as_create()
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		OK?
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	as_bind(as, ph_addr, l_addr, size)
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		Interface is OK. It currently provides only half of the
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		functionalities (no paging)...
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   HIGH PRIORITY
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5) More tests on ASs...
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   HIGH PRIORITY
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6) X: more MultiBoot compliance...
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   MEDIUM PRIORITY
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7) Provide a mechanism for system calls (invoked through interrupts?)
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