63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
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** THIS SOFTWARE IS SUBJECT TO COPYRIGHT PROTECTION AND IS OFFERED ONLY
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** PURSUANT TO THE 3DFX GLIDE GENERAL PUBLIC LICENSE. THERE IS NO RIGHT
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** TO USE THE GLIDE TRADEMARK WITHOUT PRIOR WRITTEN PERMISSION OF 3DFX
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** INTERACTIVE, INC. A COPY OF THIS LICENSE MAY BE OBTAINED FROM THE
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** DISTRIBUTOR OR BY CONTACTING 3DFX INTERACTIVE INC(info@3dfx.com).
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** THIS PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
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** EXPRESSED OR IMPLIED. SEE THE 3DFX GLIDE GENERAL PUBLIC LICENSE FOR A
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** FULL TEXT OF THE NON-WARRANTY PROVISIONS.
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**
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** USE, DUPLICATION OR DISCLOSURE BY THE GOVERNMENT IS SUBJECT TO
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** RESTRICTIONS AS SET FORTH IN SUBDIVISION (C)(1)(II) OF THE RIGHTS IN
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** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252.227-7013,
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** AND/OR IN SIMILAR OR SUCCESSOR CLAUSES IN THE FAR, DOD OR NASA FAR
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** SUPPLEMENT. UNPUBLISHED RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF
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** THE UNITED STATES.
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**
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** COPYRIGHT 3DFX INTERACTIVE, INC. 1999, ALL RIGHTS RESERVED
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*/
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#ifndef __TSC_H__
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#define __TSC_H__
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#ifndef __3DFX_H__
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# include <3dfx.h>
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#endif
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/*
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** timing routines
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*/
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#define TSC_MAX_CLOCKS 5000
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extern FxU32 tsc_begin, tsc_end;
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FxU32 *tscGetHistogram( void );
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FxU32 tscGetMostFrequent(void);
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void tscInit( void );
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FxU32 tscReadTSC( void );
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void tscPrintHistogram( void );
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void tscStoreDelta();
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void tscResetHistogram(void);
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#define tscBegin() \
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tsc_begin = tscReadTSC();
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#define tscEnd() \
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tsc_end = tscReadTSC(); \
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tscStoreDelta();
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#if defined(__WATCOMC__)
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#pragma aux tscReadTSC = \
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".586" \
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"rdtsc" \
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modify [edx eax] \
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value [eax];
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#elif defined(__MSC__)
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FxU32 tscReadTSC(void);
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#else
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#error "TSC: unsupported compiler"
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#endif
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#endif
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