User:Foliagecanine/Paging in Long Mode: Difference between revisions
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Created page with "Paging in Long Mode is very similar to paging in protected mode. It is based off of Physical Address Extension. == Paging Structures == === Page-map Level 4 Tables a..." |
Page Fault conditions |
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If at any step the P bit is not set, it will produce a #PF (see [[Exceptions#Page_Fault]]).
If at any step the R/W bit is not set and the operation is a write, it will produce a #PF.
If at any step the U/S bit is not set and the proccessor is not in Ring 0, it will produce a #PF.
If at any step reserved (MBZ) bits are set to 1, it will produce a #PF.
If at any step the NX bit is set and the operation is an instruction fetch, it will produce a #PF.
== See Also ==
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