# OS_SetExceptionVectorUpper

## C Specification

      #include <nitro/os.h>

      void OS_SetExceptionVectorUpper( void );

## Arguments

None.

## Return Values

None.

## Description

Moves the exception vector to the normal address The position of the exception vector can be moved from the normal address in the lower part of 32-bit address space (`0x00000000` to `0x0000001C`) to the high vector near the uppermost part of the address space (`0xFFFF0000` to `0xFFFF001C`). Nitro supports high vectors, but whether the high vector is supported or not depends on the implemented definitions. )The `OS_SetExceptionVectorUpper()` function moves the exception vector to the high vector address.

## Internal Operation

Modifies register 1 of the system control co-processor CP15.

## See Also

`OS_SetExceptionVectorLower
`

## Revision History

01/15/2004 Initial Version

CONFIDENTIAL