vdev 8259

Emulate minimal functionality of an Intel 8259 programmable interrupt controller (PIC)

Synopsis:

vdev 8259 loc baddr

Option:

loc baddr: The base address of the registers (default space is io:).

For a list of options available to all vdevs, see “Common vdev options” at the beginning of this chapter.

Description

x86 only. The 8259 vdev emulates minimal functionality of an Intel 8259 programmable interrupt controller (PIC). It can't be used as a virtual PIC device, but its presence is required for guest OSs to be able to boot.