On Fri, 2007-05-18 at 17:41 +0400, Sergei Shtylyov wrote: > From the "PowerPC Operating Environment Architecture" that I've > already > quoated t follows that POWER4-compatible decremented exception *must* > be edge > triggered. > > > says that an exception is generated when the MSB transitions from 0 > to > > 1. It's not clear wether the exception sticks while that bit is 1 or > is > > Freescale MPC 7450 manual says the same, for example.
I find it extremely silly to implement it as edge anyway. The EE line is level triggered, and having a mix of edge and level on the same exception without a clean way to retrigger the DEC one other than waiting one tick is just causing trouble. Ben. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
