1. Guide

1.1 Purpose

Prepare the functions required after executing DMA and the register manipulation function format macro of the cache.

1.2 Overview

The main purpose of this library is to provide a cache purge function to call after a DMA transfer.
When the CPU is accessing the RAM in the memory space with the cache address and performing DMA transfer with that RAM as the destination, the contents of the RAM and the cache will be inconsistent. You need to purge the cache at such times. See the SH2 hardware manual for more information on caching.