mirror of
https://github.com/libretro/RetroArch
synced 2025-01-27 03:35:22 +00:00
47 lines
1.6 KiB
C
47 lines
1.6 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2012 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#if defined(__CELLOS_LV2__) || defined(GEKKO)
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#ifndef _PPU_INTRINSICS_H
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#include <ppu_intrinsics.h>
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#endif
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#elif defined(_XBOX360)
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#include <PPCIntrinsics.h>
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#endif
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unsigned long long rarch_get_performance_counter(void)
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{
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unsigned long long time = 0;
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#ifdef _XBOX1
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#define rdtsc __asm __emit 0fh __asm __emit 031h
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LARGE_INTEGER time_tmp;
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rdtsc;
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__asm mov time_tmp.LowPart, eax;
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__asm mov time_tmp.HighPart, edx;
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time = time_tmp.QuadPart;
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#elif defined(__i386__) || defined(__i486__) || defined(__x86_64__)
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uint64_t lo, hi;
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__asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
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time = ((((uint64 t)hi) << 32) | ((uint64 t)lo) );
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#elif defined(__CELLOS_LV2__) || defined(GEKKO) || defined(_XBOX360)
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time = __mftb();
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#endif
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(void)time;
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return time;
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}
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