On Sun, 20 Mar 2005 17:06:19 -0500, Daniel Phillips <[EMAIL PROTECTED]> wrote: > On Saturday 19 March 2005 17:16, Timothy Miller wrote: > > You know, in order to initiate indirect DMA, you have to issue a > > command through direct DMA. Perhaps we could have two commands for > > that, one that allows priveleged commands, and one that does not. > > I'm sure we could come up with situations where the kernel could > > benefit from doing indirect DMA. > > You mean, could benefit from putting privileged commands in indirect > DMA, since it can already do indirect DMA like any other task. But I > don't see any privileged command that makes sense in indirect DMA, > unless you are thinking of register writes, which I'd rather just get > rid of completely.
You haven't yet given me a clear argument as to what I would replace direct register writes WITH, or how we would get by without them in cases where we CANNOT do DMA. And a major priveleged command that we'd like to be able to put into indirect is "memory move". _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
