8bde7f776c
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
/****************************************************************************
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*
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* SciTech Nucleus Graphics Architecture
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*
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* Copyright (C) 1991-1998 SciTech Software, Inc.
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* All rights reserved.
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*
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* ======================================================================
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* |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
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* | |
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* |This copyrighted computer code contains proprietary technology |
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* |owned by SciTech Software, Inc., located at 505 Wall Street, |
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* |Chico, CA 95928 USA (http://www.scitechsoft.com). |
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* | |
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* |The contents of this file are subject to the SciTech Nucleus |
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* |License; you may *not* use this file or related software except in |
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* |compliance with the License. You may obtain a copy of the License |
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* |at http://www.scitechsoft.com/nucleus-license.txt |
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* | |
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* |Software distributed under the License is distributed on an |
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* |"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
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* |implied. See the License for the specific language governing |
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* |rights and limitations under the License. |
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* | |
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* |REMOVAL OR MODIFICATION OF THIS HEADER IS STRICTLY PROHIBITED BY LAW|
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* ======================================================================
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*
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* Language: ANSI C
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* Environment: Linux
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*
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* Description: OS specific Nucleus Graphics Architecture services for
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* the Linux operating system.
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*
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****************************************************************************/
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#include "nucleus/graphics.h"
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#include <sys/time.h>
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static ibool haveRDTSC;
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/*-------------------------- Implementation -------------------------------*/
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/****************************************************************************
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REMARKS:
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Nothing special for this OS.
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****************************************************************************/
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GA_sharedInfo * NAPI GA_getSharedInfo(
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int device)
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{
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(void)device;
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return NULL;
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}
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/****************************************************************************
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REMARKS:
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Nothing special for this OS.
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****************************************************************************/
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ibool NAPI GA_getSharedExports(
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GA_exports *gaExp)
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{
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(void)gaExp;
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return false;
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}
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/****************************************************************************
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REMARKS:
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This function initialises the high precision timing functions for the
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Nucleus loader library.
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****************************************************************************/
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ibool NAPI GA_TimerInit(void)
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{
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if (_GA_haveCPUID() && (_GA_getCPUIDFeatures() & CPU_HaveRDTSC) != 0)
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haveRDTSC = true;
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return true;
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}
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/****************************************************************************
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REMARKS:
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This function reads the high resolution timer.
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****************************************************************************/
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void NAPI GA_TimerRead(
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GA_largeInteger *value)
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{
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if (haveRDTSC)
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_GA_readTimeStamp(value);
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else {
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struct timeval t;
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gettimeofday(&t, NULL);
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value->low = t.tv_sec*1000000 + t.tv_usec;
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value->high = 0;
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}
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}
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