In-depth knowledge of the Intel CPU is base on the knowledge of protected mode.And it will only be able for further study when the knowledge of protected mode is ready.
Master the GDT(Global Descriptor Table),LDT( Local Descriptor Table) and the IDT(Interrupt Descriptor Table). Their limits and properties are helpful for descriptor which provide the function of limit and Protection.
Realize the protection mechanism of memory paging mechanism,and the function of R/W and U/S in the PDE and PTE.
Realize the protective effect of the linear add...