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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><HTML><HEAD><TITLE>80386 Programmer's Reference Manual -- Section 9.5</TITLE></HEAD><BODY><B>up:</B> <A HREF="c09.htm">Chapter 9 -- Exceptions and Interrupts</A><BR><B>prev:</B> <A HREF="s09_04.htm">9.4 Interrupt Descriptor Table</A><BR><B>next:</B> <A HREF="s09_06.htm">9.6 Interrupt Tasks and Interrupt Procedures</A><P><HR><P><H1>9.5 IDT Descriptors</H1>The IDT may contain any of three kinds of descriptor:<UL><LI> Task gates<LI> Interrupt gates<LI> Trap gates</UL><A HREF="#fig9-3">Figure 9-3</A> illustrates the format of task gates and 80386 interrupt gatesand trap gates. (The task gate in an IDT is the same as the task gatealready discussed in <A HREF="c07.htm">Chapter 7</A>.)<P><A NAME="fig9-3"><IMG align=center SRC="fig9-3.gif" border=0><P><HR><P><B>up:</B> <A HREF="c09.htm">Chapter 9 -- Exceptions and Interrupts</A><BR><B>prev:</B> <A HREF="s09_04.htm">9.4 Interrupt Descriptor Table</A><BR><B>next:</B> <A HREF="s09_06.htm">9.6 Interrupt Tasks and Interrupt Procedures</A></BODY>⌨️ 快捷键说明
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