;************************************************************************* ;************************************************************************* ;** ** ;** (C)Copyright 1985-2009, American Megatrends, Inc. ** ;** ** ;** All Rights Reserved. ** ;** ** ;** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** ;** ** ;** Phone: (770)-246-8600 ** ;** ** ;************************************************************************* ;************************************************************************* ;************************************************************************* ; $Header: /Alaska/SOURCE/Core/Modules/x64Core/x64AsmLib/CPULib_LockByteDec.asm 1 10/01/10 5:07p Felixp $ ; ; $Revision: 1 $ ; ; $Date: 10/01/10 5:07p $ ;************************************************************************* ; Revision History ; ---------------- ; $Log: /Alaska/SOURCE/Core/Modules/x64Core/x64AsmLib/CPULib_LockByteDec.asm $ ; ; 1 10/01/10 5:07p Felixp ; ; 1 8/24/06 12:57p Felixp ; ;************************************************************************* ; ; ; Name: ; ; Description: ; ; ;************************************************************************* .code ;************************************************************************* ; ; ; Name: CPULib_LockByteDec ; ; Description: ; VOID CPULib_LockByteDec(IN UINT8 *ptr) locks the preceeding byte before ; the address pointed to by ptr. ; ; Input: ; IN UINT8 *ptr ; Address to the byte which follows the desired byte to be locked. ; ; Output: ; VOID. ; ; Modified: ; ; Referrals: ; ; Notes: ; ; ;************************************************************************* CPULib_LockByteDec proc lock dec byte ptr [rcx] ret CPULib_LockByteDec endp END ;************************************************************************* ;************************************************************************* ;** ** ;** (C)Copyright 1985-2009, American Megatrends, Inc. ** ;** ** ;** All Rights Reserved. ** ;** ** ;** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** ;** ** ;** Phone: (770)-246-8600 ** ;** ** ;*************************************************************************