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Location: cpp/openttd-patchpack/source/src/os_timer.cpp - annotation
r15913:089431d6de35
2.7 KiB
text/x-c
(svn r20607) -Fix: retain information about all base sets that are found and not only the latest version. This to stop confusing people that use newer versions of the base sets than those available via BaNaNaS.
r5584:545d748cc681 r5584:545d748cc681 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r9111:983de9c5a848 r6351:0ad6f06c84a9 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7405:862aed0b6ae4 r6171:fa4825a564b7 r10383:81614a16573d r6171:fa4825a564b7 r6171:fa4825a564b7 r6171:fa4825a564b7 r10957:634af0c37ffa r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r10383:81614a16573d r10383:81614a16573d r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r10385:d164fb8e2b21 r10383:81614a16573d r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r10383:81614a16573d r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r7405:862aed0b6ae4 r7405:862aed0b6ae4 r5584:545d748cc681 r7405:862aed0b6ae4 r10383:81614a16573d r5584:545d748cc681 | /* $Id$ */
/*
* 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
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