Subject: Device Transfer Modes To: None <port-i386@NetBSD.ORG> From: Robert Dobbs <banshee@gabriella.resort.com> List: port-i386 Date: 01/27/1995 02:27:00
Theres DMA, Mapped Memory, and Programmed IO
The dma calls are in isa/dma.c, does netbsd support mapped memory
from devices?
Programmed IO is simply read/writing a byte at a time, correct?
-j