# IC_InvalidateAll

## C Specification

      #include <nitro/os.h>

      void IC_InvalidateAll( void );

## Arguments

None.

## Return Values

None.

## Description

Invalidates instruction code through the entire instruction cache region

The official documentation for the ARM processor sometimes describes Flush as the operation that invalidates the cache. However, this SDK follows the conventions of the Nintendo GameCube and Nintendo64 by using Invalidate for invalidation.

## Internal Operation

Operates register 7 of the system control coprocessor.

## See Also

`IC_InvalidateRange`, `DC_InvalidateAll`, `DC_InvalidateRange`, `DC_StoreAll`, `DC_StoreRange`, `DC_FlushAll`, `DC_FlushRange`

## Revision History

12/22/2003 Initial version.