Inside Macintosh: Memory /

Chapter 4 - Memory Management Utilities / Memory Management Utilities Reference

Routines / Manipulating the Processor Caches

FlushDataCache

You can use the FlushDataCache procedure to flush the data cache.

PROCEDURE FlushDataCache;

DESCRIPTION

The FlushDataCache procedure flushes the current contents of the data cache. Because flushing this cache degrades performance of the CPU, you should call this routine only when absolutely necessary. See "Processor Caches" beginning on page 4-8 for details on when to call this procedure.

ASSEMBLY-LANGUAGE INFORMATION

The trap macro and routine selector for FlushDataCache are

Trap macro	Selector
_HWPriv	$0003