CVSROOT: /cvs Module name: src Changes by: [email protected] 2009/02/04 18:13:21
Modified files:
sys/arch/i386/i386: bus_dma.c pmap.c
sys/arch/i386/include: bus.h pmap.h
Log message:
add MD PMAP_NOCACHE flag to i386 and use it to implement the
BUS_DMA_NOCACHE flag with guarantees that the dma memory will be mapped
uncached. Some broken/odd hardware needs this.
discussion with miod, toby, art and kettenis. ok miod.
