OpenBoot 3.x Command Reference Manual

Cache Manipulation Commands

Table I-49 Cache Manipulation Commands

Command  

Stack Diagram 

Description 

clear-cache

( -- ) 

Invalidate all cache entries. 

cache-off

( -- ) 

Disable the cache. 

cache-on

( -- ) 

Enable the cache. 

ecdata!

( data offset -- ) 

Store the data at the cache offset.

ecdata@

( offset -- data ) 

Fetch (return) data from the cache offset.

ectag!

( value offset -- ) 

Store the tag value at the cache offset.

ectag@

( offset -- value )  

Return the tag value at the cache offset.

flush-cache

( -- ) 

Write back any pending data from the cache.