; $Id: timesupA.asm 5489 2007-10-25 01:43:43Z vboxsync $%ifndef IN_GUEST ;; @file ; innotek Portable Runtime - Time using SUPLib, the Assembly Implementation. ; ; ; Copyright (C) 2006-2007 InnoTek Systemberatung GmbH ; ; This file is part of VirtualBox Open Source Edition (OSE), as ; available from http://www.virtualbox.org. This file is free software; ; you can redistribute it and/or modify it under the terms of the GNU ; General Public License as published by the Free Software Foundation, ; in version 2 as it comes in the "COPYING" file of the VirtualBox OSE ; distribution. VirtualBox OSE is distributed in the hope that it will ; be useful, but WITHOUT ANY WARRANTY of any kind. ; ; %ifndef IN_GUEST %include "iprt/asmdefs.mac" %include "VBox/sup.mac" ;; Keep this in sync with iprt/time.h. struc RTTIMENANOTSDATA .pu64Prev RTCCPTR_RES 1 .pfnBad RTCCPTR_RES 1 .pfnRediscover RTCCPTR_RES 1 .pvDummy RTCCPTR_RES 1 .c1nsSteps resd 1 .cExpired resd 1 .cBadPrev resd 1 .cUpdateRaces resd 1 endstruc BEGINDATA %undef IN_SUPLIB %undef IMPORTED_SUPLIB %ifdef IN_SUP_R0 %define IN_SUPLIB %endif %ifdef IN_SUP_R3 %define IN_SUPLIB %endif %ifdef IN_SUP_GC %define IN_SUPLIB %endif %ifdef IN_SUPLIB extern NAME(g_pSUPGlobalInfoPage) %elifdef IN_RING0 %ifdef RT_OS_WINDOWS %define IMPORTED_SUPLIB extern IMPNAME(g_SUPGlobalInfoPage) %else extern NAME(g_SUPGlobalInfoPage) %endif %else %ifdef RT_OS_WINDOWS %define IMPORTED_SUPLIB extern IMPNAME(g_pSUPGlobalInfoPage) %else extern NAME(g_pSUPGlobalInfoPage) %endif %endif BEGINCODE ; ; The default stuff that works everywhere. ; Uses cpuid for serializing. ; %undef ASYNC_GIP %undef USE_LFENCE %define NEED_TRANSACTION_ID %define NEED_TO_SAVE_REGS %define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacySync %include "timesupA.mac" %define ASYNC_GIP %ifdef IN_GC %undef NEED_TRANSACTION_ID %endif %define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacyAsync %include "timesupA.mac" ; ; Alternative implementation that employs lfence instead of cpuid. ; %undef ASYNC_GIP %define USE_LFENCE %define NEED_TRANSACTION_ID %undef NEED_TO_SAVE_REGS %define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceSync %include "timesupA.mac" %define ASYNC_GIP %ifdef IN_GC %undef NEED_TRANSACTION_ID %endif %define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceAsync %include "timesupA.mac" %endif ; !IN_GUEST