Intel 64 and IA-32 Architectures Software Developers Manual Volume 3A, System Programming Guide, Part 1

Vol. 3A 5-21
INTERRUPT AND EXCEPTION HANDLING
Figure 5-5. Interrupt Task Switch
IDT
Task Gate
TSS for Interrupt-
TSS Selector
GDT
TSS Descriptor
Interrupt
Vector
TSS
Base
Address
Handling Task