計算從分段地址立即地址

Question

例如，說我有這樣的：

0x33:0x10 

，我想在表單，以獲得一個地址：

0x???????? 

從中

。這樣做最簡單的方法是什麼？這是在Linux x86上。

Answer 1

The selector in the segment register is decoded to give a descriptor table specifier and a descriptor table index. The base given in the table and index is added to the offset in order to give a final address within process space.爲了處理存儲器轉換到物理存儲器，the page tables must be read and decoded.