summaryrefslogtreecommitdiffstats
path: root/src/VBox/Runtime/common/time/timesupA.asm
diff options
context:
space:
mode:
Diffstat (limited to 'src/VBox/Runtime/common/time/timesupA.asm')
-rw-r--r--src/VBox/Runtime/common/time/timesupA.asm161
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+%error "This is out of date, use C code.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+This is out of date
+This is out of date
+This is out of date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