QEMU PCI serial devices
QEMU implements some PCI serial devices which are simple PCI wrappers around one or more 16550 UARTs.
There is one single-port variant and two multiport-variants. Linux
guests work out-of-the box with all cards. There is a Windows inf file
(docs/qemupciserial.inf
) to set up the cards in Windows guests.
Single-port card
- Name:
pci-serial
- PCI ID:
1b36:0002
- PCI Region 0:
IO bar, 8 bytes long, with the 16550 UART mapped to it.
- Interrupt:
Wired to pin A.
Multiport cards
- Name:
pci-serial-2x
,pci-serial-4x
- PCI ID:
1b36:0003 (
-2x
) and 1b36:0004 (-4x
)- PCI Region 0:
IO bar, with two or four 16550 UARTs mapped after each other. The first is at offset 0, the second at offset 8, and so on.
- Interrupt:
Wired to pin A.