CVS: cvs.openbsd.org: src

[Miod Vallat <miod_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org>]

CVSROOT:	/cvs
Module name:	src
Changes by:	miod_(_at_)_cvs_(_dot_)_openbsd_(_dot_)_org	2007/06/21 14:17:12

Modified files:
	sys/arch/mips64/conf: files.mips64 
	sys/arch/sgi/conf: files.sgi 
	sys/arch/sgi/include: bus.h 
	sys/arch/sgi/localbus: crimebus.h macebus.c 
	sys/arch/sgi/pci: macepcibridge.c 
Added files:
	sys/arch/sgi/sgi: bus_dma.c 
Removed files:
	sys/arch/mips64/mips64: busdma.c 

Log message:
Extent sgi bus_dma to cope with different views of memory: non-contiguous
for the cpu, contiguous from different bases for devices. This allows
memory above 256MB to be used with bus_dma (and we had really been lucky
with the first few large-memory builds).
Information about memory accesses taken from Linux.