Intel® IXP42X product line and IXC1100 control plane processors—Intel XScale® Processor
Intel® IXP42X Product Line of Network Processors and IXC1100 Control Plane Processor
DM September 2006
66 Order Number: 252480-006US
A simple software routine is used to globally clean the data cache. It takes advantage
of the line-allocate data cache operation, which allocates a line into the data cache.
This allocation evicts any cache dirty data back to external memory. Example 9 shows
how data cache can be cleaned.