# DC_Enable

## C Specification

      #include <nitro/os.h>

      BOOL DC_Enable( void );

## Arguments

None.

## Return Values

Previous permission/prohibition setting for data cache use.

## Description

This function permits use of all data cache. The return value is the use permission/prohibit setting for the data cache before this function is called. When `TRUE`, use of the cache was permitted; when `FALSE`, it was prohibited.

## Internal Operation

Operates register 1 of the system control coprocessor.

## See Also

`DC_Disable, DC_Restore`

## Revision History

12/22/2003 Initial version.

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