(svn r26195) -Codechange: move debug's ottd_rdtsc (CPU specific high precision timer) into cpu.h/cpp

1 files changed, 0 insertions, 76 deletions

diff --git a/src/os_timer.cpp b/src/os_timer.cpp
deleted file mode 100644
index 47cc1afd5..000000000
--- a/src/os_timer.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-/* $Id$ */
-
-/*
- * This file is part of OpenTTD.
- * OpenTTD 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, version 2.
- * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
- */
-
-/** @file os_timer.cpp OS/compiler dependant real time tick sampling. */
-
-#include "stdafx.h"
-
-#undef RDTSC_AVAILABLE
-
-/* rdtsc for MSC_VER, uses simple inline assembly, or _rdtsc
- * from external win64.asm because VS2005 does not support inline assembly */
-#if defined(_MSC_VER) && !defined(RDTSC_AVAILABLE) && !defined(WINCE)
-#include <intrin.h>
-uint64 ottd_rdtsc()
-{
-	return __rdtsc();
-}
-#define RDTSC_AVAILABLE
-#endif
-
-/* rdtsc for OS/2. Hopefully this works, who knows */
-#if defined (__WATCOMC__) && !defined(RDTSC_AVAILABLE)
-unsigned __int64 ottd_rdtsc();
-# pragma aux ottd_rdtsc = 0x0F 0x31 value [edx eax] parm nomemory modify exact [edx eax] nomemory;
-# define RDTSC_AVAILABLE
-#endif
-
-/* rdtsc for all other *nix-en (hopefully). Use GCC syntax */
-#if (defined(__i386__) || defined(__x86_64__)) && !defined(__DJGPP__) && !defined(RDTSC_AVAILABLE)
-uint64 ottd_rdtsc()
-{
-	uint32 high, low;
-	__asm__ __volatile__ ("rdtsc" : "=a" (low), "=d" (high));
-	return ((uint64)high << 32) | low;
-}
-# define RDTSC_AVAILABLE
-#endif
-
-/* rdtsc for PPC which has this not */
-#if (defined(__POWERPC__) || defined(__powerpc__)) && !defined(RDTSC_AVAILABLE)
-uint64 ottd_rdtsc()
-{
-	uint32 high = 0, high2 = 0, low;
-	/* PPC does not have rdtsc, so we cheat by reading the two 32-bit time-counters
-	 * it has, 'Move From Time Base (Upper)'. Since these are two reads, in the
-	 * very unlikely event that the lower part overflows to the upper part while we
-	 * read it; we double-check and reread the registers */
-	asm volatile (
-				  "mftbu %0\n"
-				  "mftb %1\n"
-				  "mftbu %2\n"
-				  "cmpw %3,%4\n"
-				  "bne- $-16\n"
-				  : "=r" (high), "=r" (low), "=r" (high2)
-				  : "0" (high), "2" (high2)
-				  );
-	return ((uint64)high << 32) | low;
-}
-# define RDTSC_AVAILABLE
-#endif
-
-/* In all other cases we have no support for rdtsc. No major issue,
- * you just won't be able to profile your code with TIC()/TOC() */
-#if !defined(RDTSC_AVAILABLE)
-/* MSVC (in case of WinCE) can't handle #warning */
-# if !defined(_MSC_VER)
-#warning "(non-fatal) No support for rdtsc(), you won't be able to profile with TIC/TOC"
-# endif
-uint64 ottd_rdtsc() {return 0;}
-#endif