| 1 | /* $Id: time-r0drv-os2.cpp 93115 2022-01-01 11:31:46Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * IPRT - Time, Ring-0 Driver, OS/2.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Contributed by knut st. osmundsen.
|
|---|
| 8 | *
|
|---|
| 9 | * Copyright (C) 2007-2022 Oracle Corporation
|
|---|
| 10 | *
|
|---|
| 11 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 12 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 13 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 14 | * General Public License (GPL) as published by the Free Software
|
|---|
| 15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 18 | *
|
|---|
| 19 | * The contents of this file may alternatively be used under the terms
|
|---|
| 20 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 21 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 22 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 23 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 24 | *
|
|---|
| 25 | * You may elect to license modified versions of this file under the
|
|---|
| 26 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 27 | * --------------------------------------------------------------------
|
|---|
| 28 | *
|
|---|
| 29 | * This code is based on:
|
|---|
| 30 | *
|
|---|
| 31 | * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
|
|---|
| 32 | *
|
|---|
| 33 | * Permission is hereby granted, free of charge, to any person
|
|---|
| 34 | * obtaining a copy of this software and associated documentation
|
|---|
| 35 | * files (the "Software"), to deal in the Software without
|
|---|
| 36 | * restriction, including without limitation the rights to use,
|
|---|
| 37 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|---|
| 38 | * copies of the Software, and to permit persons to whom the
|
|---|
| 39 | * Software is furnished to do so, subject to the following
|
|---|
| 40 | * conditions:
|
|---|
| 41 | *
|
|---|
| 42 | * The above copyright notice and this permission notice shall be
|
|---|
| 43 | * included in all copies or substantial portions of the Software.
|
|---|
| 44 | *
|
|---|
| 45 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|---|
| 46 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|---|
| 47 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|---|
| 48 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|---|
| 49 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|---|
| 50 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|---|
| 51 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|---|
| 52 | * OTHER DEALINGS IN THE SOFTWARE.
|
|---|
| 53 | */
|
|---|
| 54 |
|
|---|
| 55 |
|
|---|
| 56 | /*********************************************************************************************************************************
|
|---|
| 57 | * Header Files *
|
|---|
| 58 | *********************************************************************************************************************************/
|
|---|
| 59 | #include "the-os2-kernel.h"
|
|---|
| 60 |
|
|---|
| 61 | #include <iprt/time.h>
|
|---|
| 62 |
|
|---|
| 63 |
|
|---|
| 64 | RTDECL(uint64_t) RTTimeNanoTS(void)
|
|---|
| 65 | {
|
|---|
| 66 | /** @remark OS/2 Ring-0: will wrap after 48 days. */
|
|---|
| 67 | return g_pGIS->msecs * UINT64_C(1000000);
|
|---|
| 68 | }
|
|---|
| 69 |
|
|---|
| 70 |
|
|---|
| 71 | RTDECL(uint64_t) RTTimeMilliTS(void)
|
|---|
| 72 | {
|
|---|
| 73 | /** @remark OS/2 Ring-0: will wrap after 48 days. */
|
|---|
| 74 | return g_pGIS->msecs;
|
|---|
| 75 | }
|
|---|
| 76 |
|
|---|
| 77 |
|
|---|
| 78 | RTDECL(uint64_t) RTTimeSystemNanoTS(void)
|
|---|
| 79 | {
|
|---|
| 80 | /** @remark OS/2 Ring-0: will wrap after 48 days. */
|
|---|
| 81 | return g_pGIS->msecs * UINT64_C(1000000);
|
|---|
| 82 | }
|
|---|
| 83 |
|
|---|
| 84 |
|
|---|
| 85 | RTDECL(uint64_t) RTTimeSystemMilliTS(void)
|
|---|
| 86 | {
|
|---|
| 87 | /** @remark OS/2 Ring-0: will wrap after 48 days. */
|
|---|
| 88 | return g_pGIS->msecs;
|
|---|
| 89 | }
|
|---|
| 90 |
|
|---|
| 91 |
|
|---|
| 92 | RTDECL(PRTTIMESPEC) RTTimeNow(PRTTIMESPEC pTime)
|
|---|
| 93 | {
|
|---|
| 94 | /*
|
|---|
| 95 | * Get the seconds since the unix epoch (local time) and current hundredths.
|
|---|
| 96 | */
|
|---|
| 97 | GINFOSEG volatile *pGIS = (GINFOSEG volatile *)g_pGIS;
|
|---|
| 98 | UCHAR uchHundredths;
|
|---|
| 99 | ULONG ulSeconds;
|
|---|
| 100 | do
|
|---|
| 101 | {
|
|---|
| 102 | uchHundredths = pGIS->hundredths;
|
|---|
| 103 | ulSeconds = pGIS->time;
|
|---|
| 104 | } while ( uchHundredths == pGIS->hundredths
|
|---|
| 105 | && ulSeconds == pGIS->time);
|
|---|
| 106 |
|
|---|
| 107 | /*
|
|---|
| 108 | * Combine the two and convert to UCT (later).
|
|---|
| 109 | */
|
|---|
| 110 | uint64_t u64 = ulSeconds * UINT64_C(1000000000) + (uint32_t)uchHundredths * 10000000;
|
|---|
| 111 | /** @todo convert from local to UCT. */
|
|---|
| 112 |
|
|---|
| 113 | /** @remark OS/2 Ring-0: Currently returns local time instead of UCT. */
|
|---|
| 114 | return RTTimeSpecSetNano(pTime, u64);
|
|---|
| 115 | }
|
|---|
| 116 |
|
|---|
