From bbc3c2d52617d8425e5a72f74c2e20b8686a0627 Mon Sep 17 00:00:00 2001 From: mdkinney Date: Fri, 30 Jan 2009 00:47:57 +0000 Subject: Split out Synchronization Library from Base Library git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7378 6f19259b-4bc3-4df7-8a09-765794883524 --- MdePkg/Library/BaseLib/Ebc/Synchronization.c | 116 --------------------------- 1 file changed, 116 deletions(-) delete mode 100644 MdePkg/Library/BaseLib/Ebc/Synchronization.c (limited to 'MdePkg/Library/BaseLib/Ebc') diff --git a/MdePkg/Library/BaseLib/Ebc/Synchronization.c b/MdePkg/Library/BaseLib/Ebc/Synchronization.c deleted file mode 100644 index dfae40b927..0000000000 --- a/MdePkg/Library/BaseLib/Ebc/Synchronization.c +++ /dev/null @@ -1,116 +0,0 @@ -/** @file - Implementation of synchronization functions on EBC. - - Copyright (c) 2006 - 2008, Intel Corporation
- 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. - -**/ - -/** - Performs an atomic compare exchange operation on a 32-bit - unsigned integer. - - Performs an atomic compare exchange operation on the 32-bit - unsigned integer specified by Value. If Value is equal to - CompareValue, then Value is set to ExchangeValue and - CompareValue is returned. If Value is not equal to - CompareValue, then Value is returned. The compare exchange - operation must be performed using MP safe mechanisms. - - @param Value A pointer to the 32-bit value for the - compare exchange operation. - @param CompareValue 32-bit value used in compare operation. - @param ExchangeValue 32-bit value used in exchange operation. - - @return The original *Value before exchange. - -**/ -UINT32 -EFIAPI -InternalSyncCompareExchange32 ( - IN volatile UINT32 *Value, - IN UINT32 CompareValue, - IN UINT32 ExchangeValue - ) -{ - return *Value != CompareValue ? *Value : - ((*Value = ExchangeValue), CompareValue); -} - -/** - Performs an atomic compare exchange operation on a 64-bit unsigned integer. - - Performs an atomic compare exchange operation on the 64-bit unsigned integer specified - by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and - CompareValue is returned. If Value is not equal to CompareValue, then Value is returned. - The compare exchange operation must be performed using MP safe mechanisms. - - @param Value A pointer to the 64-bit value for the compare exchange - operation. - @param CompareValue 64-bit value used in compare operation. - @param ExchangeValue 64-bit value used in exchange operation. - - @return The original *Value before exchange. - -**/ -UINT64 -EFIAPI -InternalSyncCompareExchange64 ( - IN volatile UINT64 *Value, - IN UINT64 CompareValue, - IN UINT64 ExchangeValue - ) -{ - return *Value != CompareValue ? *Value : - ((*Value = ExchangeValue), CompareValue); -} - -/** - Performs an atomic increment of an 32-bit unsigned integer. - - Performs an atomic increment of the 32-bit unsigned integer specified by - Value and returns the incremented value. The increment operation must be - performed using MP safe mechanisms. The state of the return value is not - guaranteed to be MP safe. - - @param Value A pointer to the 32-bit value to increment. - - @return The incremented value. - -**/ -UINT32 -EFIAPI -InternalSyncIncrement ( - IN volatile UINT32 *Value - ) -{ - return ++*Value; -} - -/** - Performs an atomic decrement of an 32-bit unsigned integer. - - Performs an atomic decrement of the 32-bit unsigned integer specified by - Value and returns the decrement value. The decrement operation must be - performed using MP safe mechanisms. The state of the return value is not - guaranteed to be MP safe. - - @param Value A pointer to the 32-bit value to decrement. - - @return The decrement value. - -**/ -UINT32 -EFIAPI -InternalSyncDecrement ( - IN volatile UINT32 *Value - ) -{ - return --*Value; -} -- cgit v1.2.3