Cacheability Settings

SH4 MMU page cachability settings values More...

Macros
#define	MMU_NO_CACHE   1
	Cache disabled.
#define	MMU_CACHE_BACK   2
	Write-back caching.
#define	MMU_CACHE_WT   3
	Write-through caching.
#define	MMU_CACHEABLE   MMU_CACHE_BACK
	Default caching.

Detailed Description

SH4 MMU page cachability settings values

Each page mapped via the MMU can have its cacheability set individually.

Macro Definition Documentation

MMU_CACHE_BACK

#define MMU_CACHE_BACK   2

Write-back caching.

MMU_CACHE_WT

#define MMU_CACHE_WT   3

Write-through caching.

MMU_CACHEABLE

#define MMU_CACHEABLE   MMU_CACHE_BACK

Default caching.

MMU_NO_CACHE

#define MMU_NO_CACHE   1

Cache disabled.