> I see there is a compile time constant CACHE_LINE_SIZE in > <sys/param.h> which currently seems to be always be set to 64, but > I'm pretty certain that is not necessarily a correct value.
You are correct; to cite the one example I currently have swapped into my brain, the Super-H used in the Dreamcast has 32-byte cache lines (true of the I-cache and D-cache both). /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML mo...@rodents-montreal.org / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B
