Register Review

Registers discussed so far:

CR3

32-bit physical address of the Page Directory
IDTR
32-bit linear address of IDT, 16-bit size of IDT
GDTR
32-bit linear address of GDT, 16-bit size of GDT
LDTR
16-bit selector for an entry ( type 2 ) in the GDT
SS
16-bit selector, used for stack operations
CS
16-bit selector, used to locate instructions
DS
16-bit selector, used to locate data, generally the default
ES
16-bit selector, used to locate data, string destination
FS
16-bit selector, used to locate data explicitly
GS
16-bit selector, used to locate data explicitly

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