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; $Id: timesupA.asm $
;; @file
; IPRT - Time using SUPLib, the Assembly Implementation.
;
;
; Copyright (C) 2006-2023 Oracle and/or its affiliates.
;
; This file is part of VirtualBox base platform packages, as
; available from https://www.virtualbox.org.
;
; This program 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 3 of the
; License.
;
; This program is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
; General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, see <https://www.gnu.org/licenses>.
;
; The contents of this file may alternatively be used under the terms
; of the Common Development and Distribution License Version 1.0
; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
; in the VirtualBox distribution, in which case the provisions of the
; CDDL are applicable instead of those of the GPL.
;
; You may elect to license modified versions of this file under the
; terms and conditions of either the GPL or the CDDL or both.
;
; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
;
%ifndef IN_GUEST
%include "iprt/asmdefs.mac"
%include "VBox/sup.mac"
;
; Use the C reference implementation for now.
;
%error "This is out of date, use C code. Not worth it for a couple of ticks in some functions and equal or worse performance in others."
This is out of date
This is out of date
This is out of date
;; 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_RC
%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
%undef WITH_TSC_DELTA
%undef NEED_APIC_ID
%define NEED_TRANSACTION_ID
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacySyncNoDelta
%include "timesupA.mac"
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacyInvariantNoDelta
%include "timesupA.mac"
%define WITH_TSC_DELTA
%define NEED_APIC_ID
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacySyncWithDelta
%include "timesupA.mac"
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLegacyInvariantWithDelta
%include "timesupA.mac"
%define ASYNC_GIP
%undef WITH_TSC_DELTA
%define NEED_APIC_ID
%ifdef IN_RC
%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
%undef WITH_TSC_DELTA
%undef NEED_APIC_ID
%define NEED_TRANSACTION_ID
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceSyncNoDelta
%include "timesupA.mac"
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceInvariantNoDelta
%include "timesupA.mac"
%define WITH_TSC_DELTA
%define NEED_APIC_ID
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceSyncWithDelta
%include "timesupA.mac"
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceInvariantWithDelta
%include "timesupA.mac"
%define ASYNC_GIP
%undef WITH_TSC_DELTA
%define NEED_APIC_ID
%ifdef IN_RC
%undef NEED_TRANSACTION_ID
%endif
%define rtTimeNanoTSInternalAsm RTTimeNanoTSLFenceAsync
%include "timesupA.mac"
%endif ; !IN_GUEST
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