/** @file | |
Implementation of synchronization functions on EBC. | |
Copyright (c) 2006, Intel Corporation<BR> | |
All rights reserved. This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
Module Name: Synchronization.c | |
**/ | |
UINT32 | |
EFIAPI | |
InternalSyncCompareExchange32 ( | |
IN volatile UINT32 *Value, | |
IN UINT32 CompareValue, | |
IN UINT32 ExchangeValue | |
) | |
{ | |
return *Value != CompareValue ? *Value : | |
((*Value = ExchangeValue), CompareValue); | |
} | |
UINT64 | |
EFIAPI | |
InternalSyncCompareExchange64 ( | |
IN volatile UINT64 *Value, | |
IN UINT64 CompareValue, | |
IN UINT64 ExchangeValue | |
) | |
{ | |
return *Value != CompareValue ? *Value : | |
((*Value = ExchangeValue), CompareValue); | |
} | |
UINT32 | |
EFIAPI | |
InternalSyncIncrement ( | |
IN volatile UINT32 *Value | |
) | |
{ | |
return ++*Value; | |
} | |
UINT32 | |
EFIAPI | |
InternalSyncDecrement ( | |
IN volatile UINT32 *Value | |
) | |
{ | |
return --*Value; | |
} |