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Intel 80386 Reference Programmer's Manual

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9.5 IDT Descriptors

The IDT may contain any of three kinds of descriptor:
  • Task gates
  • Interrupt gates
  • Trap gates
Figure 9-3 illustrates the format of task gates and 80386 interrupt gates and trap gates. (The task gate in an IDT is the same as the task gate already discussed in Chapter 7.)


up: Chapter 9 -- Exceptions and Interrupts
prev: 9.4 Interrupt Descriptor Table
next: 9.6 Interrupt Tasks and Interrupt Procedures