diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/common/time/timesupA.asm | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/common/time/timesupA.asm | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/time/timesupA.asm b/src/VBox/Runtime/common/time/timesupA.asm new file mode 100644 index 00000000..649d3b6f --- /dev/null +++ b/src/VBox/Runtime/common/time/timesupA.asm @@ -0,0 +1,161 @@ +; $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 |