| 1 | ; $Id: timesupA.asm 28800 2010-04-27 08:22:32Z vboxsync $
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| 2 | ;; @file
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| 3 | ; IPRT - Time using SUPLib, the Assembly Implementation.
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| 4 | ;
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| 5 |
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| 6 | ;
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| 7 | ; Copyright (C) 2006-2007 Oracle Corporation
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| 8 | ;
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| 9 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | ; available from http://www.virtualbox.org. This file is free software;
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| 11 | ; you can redistribute it and/or modify it under the terms of the GNU
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| 12 | ; General Public License (GPL) as published by the Free Software
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| 13 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | ;
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| 17 | ; The contents of this file may alternatively be used under the terms
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| 18 | ; of the Common Development and Distribution License Version 1.0
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| 19 | ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | ; VirtualBox OSE distribution, in which case the provisions of the
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| 21 | ; CDDL are applicable instead of those of the GPL.
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| 22 | ;
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| 23 | ; You may elect to license modified versions of this file under the
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| 24 | ; terms and conditions of either the GPL or the CDDL or both.
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| 25 | ;
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| 26 |
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| 27 | %ifndef IN_GUEST
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| 28 |
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| 29 | %include "iprt/asmdefs.mac"
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| 30 | %include "VBox/sup.mac"
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| 31 |
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| 32 |
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| 33 | ;; Keep this in sync with iprt/time.h.
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| 34 | struc RTTIMENANOTSDATA
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| 35 | .pu64Prev RTCCPTR_RES 1
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| 36 | .pfnBad RTCCPTR_RES 1
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| 37 | .pfnRediscover RTCCPTR_RES 1
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| 38 | .pvDummy RTCCPTR_RES 1
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| 39 | .c1nsSteps resd 1
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| 40 | .cExpired resd 1
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| 41 | .cBadPrev resd 1
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| 42 | .cUpdateRaces resd 1
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| 43 | endstruc
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| 44 |
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| 45 |
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| 46 | BEGINDATA
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| 47 | %undef IN_SUPLIB
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| 48 | %undef IMPORTED_SUPLIB
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| 49 | %ifdef IN_SUP_R0
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| 50 | %define IN_SUPLIB
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| 51 | %endif
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| 52 | %ifdef IN_SUP_R3
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| 53 | %define IN_SUPLIB
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| 54 | %endif
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| 55 | %ifdef IN_SUP_RC
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| 56 | %define IN_SUPLIB
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| 57 | %endif
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| 58 | %ifdef IN_SUPLIB
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| 59 | extern NAME(g_pSUPGlobalInfoPage)
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| 60 | %elifdef IN_RING0
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| 61 | %ifdef RT_OS_WINDOWS
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| 62 | %define IMPORTED_SUPLIB
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| 63 | extern IMPNAME(g_SUPGlobalInfoPage)
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| 64 | %else
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| 65 | extern NAME(g_SUPGlobalInfoPage)
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| 66 | %endif
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| 67 | %else
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| 68 | %ifdef RT_OS_WINDOWS
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| 69 | %define IMPORTED_SUPLIB
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| 70 | extern IMPNAME(g_pSUPGlobalInfoPage)
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| 71 | %else
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| 72 | extern NAME(g_pSUPGlobalInfoPage)
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| 73 | %endif
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| 74 | %endif
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| 75 |
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| 76 |
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| 77 | BEGINCODE
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| 78 |
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| 79 | ;
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| 80 | ; The default stuff that works everywhere.
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| 81 | ; Uses cpuid for serializing.
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| 82 | ;
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| 83 | %undef ASYNC_GIP
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| 84 | %undef USE_LFENCE
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| 85 | %define NEED_TRANSACTION_ID
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| 86 | %define NEED_TO_SAVE_REGS
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| 87 | %define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacySync
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| 88 | %include "timesupA.mac"
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| 89 |
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| 90 | %define ASYNC_GIP
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| 91 | %ifdef IN_RC
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| 92 | %undef NEED_TRANSACTION_ID
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| 93 | %endif
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| 94 | %define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacyAsync
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| 95 | %include "timesupA.mac"
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| 96 |
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| 97 | ;
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| 98 | ; Alternative implementation that employs lfence instead of cpuid.
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| 99 | ;
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| 100 | %undef ASYNC_GIP
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| 101 | %define USE_LFENCE
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| 102 | %define NEED_TRANSACTION_ID
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| 103 | %undef NEED_TO_SAVE_REGS
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| 104 | %define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceSync
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| 105 | %include "timesupA.mac"
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| 106 |
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| 107 | %define ASYNC_GIP
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| 108 | %ifdef IN_RC
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| 109 | %undef NEED_TRANSACTION_ID
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| 110 | %endif
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| 111 | %define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceAsync
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| 112 | %include "timesupA.mac"
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| 113 |
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| 114 |
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| 115 | %endif ; !IN_GUEST
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