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Diffstat (limited to 'package/px5g/src/library/timing.c')
| -rw-r--r-- | package/px5g/src/library/timing.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/package/px5g/src/library/timing.c b/package/px5g/src/library/timing.c deleted file mode 100644 index 6b7ab74..0000000 --- a/package/px5g/src/library/timing.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Portable interface to the CPU cycle counter - * - * Based on XySSL: Copyright (C) 2006-2008 Christophe Devine - * - * Copyright (C) 2009 Paul Bakker <polarssl_maintainer at polarssl dot org> - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the names of PolarSSL or XySSL nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_TIMING_C) - -#include "polarssl/timing.h" - -#if defined(WIN32) - -#include <windows.h> -#include <winbase.h> - -struct _hr_time -{ - LARGE_INTEGER start; -}; - -#else - -#include <unistd.h> -#include <sys/types.h> -#include <sys/time.h> -#include <signal.h> -#include <time.h> - -struct _hr_time -{ - struct timeval start; -}; - -#endif - -#if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) - -unsigned long hardclock( void ) -{ - unsigned long tsc; - __asm rdtsc - __asm mov [tsc], eax - return( tsc ); -} - -#else -#if defined(__GNUC__) && defined(__i386__) - -unsigned long hardclock( void ) -{ - unsigned long tsc; - asm( "rdtsc" : "=a" (tsc) ); - return( tsc ); -} - -#else -#if defined(__GNUC__) && (defined(__amd64__) || defined(__x86_64__)) - -unsigned long hardclock( void ) -{ - unsigned long lo, hi; - asm( "rdtsc" : "=a" (lo), "=d" (hi) ); - return( lo | (hi << 32) ); -} - -#else -#if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__)) - -unsigned long hardclock( void ) -{ - unsigned long tbl, tbu0, tbu1; - - do - { - asm( "mftbu %0" : "=r" (tbu0) ); - asm( "mftb %0" : "=r" (tbl ) ); - asm( "mftbu %0" : "=r" (tbu1) ); - } - while( tbu0 != tbu1 ); - - return( tbl ); -} - -#else -#if defined(__GNUC__) && defined(__sparc__) - -unsigned long hardclock( void ) -{ - unsigned long tick; - asm( ".byte 0x83, 0x41, 0x00, 0x00" ); - asm( "mov %%g1, %0" : "=r" (tick) ); - return( tick ); -} - -#else -#if defined(__GNUC__) && defined(__alpha__) - -unsigned long hardclock( void ) -{ - unsigned long cc; - asm( "rpcc %0" : "=r" (cc) ); - return( cc & 0xFFFFFFFF ); -} - -#else -#if defined(__GNUC__) && defined(__ia64__) - -unsigned long hardclock( void ) -{ - unsigned long itc; - asm( "mov %0 = ar.itc" : "=r" (itc) ); - return( itc ); -} - -#else - -static int hardclock_init = 0; -static struct timeval tv_init; - -unsigned long hardclock( void ) -{ - struct timeval tv_cur; - - if( hardclock_init == 0 ) - { - gettimeofday( &tv_init, NULL ); - hardclock_init = 1; - } - - gettimeofday( &tv_cur, NULL ); - return( ( tv_cur.tv_sec - tv_init.tv_sec ) * 1000000 - + ( tv_cur.tv_usec - tv_init.tv_usec ) ); -} - -#endif /* generic */ -#endif /* IA-64 */ -#endif /* Alpha */ -#endif /* SPARC8 */ -#endif /* PowerPC */ -#endif /* AMD64 */ -#endif /* i586+ */ - -int alarmed = 0; - -#if defined(WIN32) - -unsigned long get_timer( struct hr_time *val, int reset ) -{ - unsigned long delta; - LARGE_INTEGER offset, hfreq; - struct _hr_time *t = (struct _hr_time *) val; - - QueryPerformanceCounter( &offset ); - QueryPerformanceFrequency( &hfreq ); - - delta = (unsigned long)( ( 1000 * - ( offset.QuadPart - t->start.QuadPart ) ) / - hfreq.QuadPart ); - - if( reset ) - QueryPerformanceCounter( &t->start ); - - return( delta ); -} - -DWORD WINAPI TimerProc( LPVOID uElapse ) -{ - Sleep( (DWORD) uElapse ); - alarmed = 1; - return( TRUE ); -} - -void set_alarm( int seconds ) -{ - DWORD ThreadId; - - alarmed = 0; - CloseHandle( CreateThread( NULL, 0, TimerProc, - (LPVOID) ( seconds * 1000 ), 0, &ThreadId ) ); -} - -void m_sleep( int milliseconds ) -{ - Sleep( milliseconds ); -} - -#else - -unsigned long get_timer( struct hr_time *val, int reset ) -{ - unsigned long delta; - struct timeval offset; - struct _hr_time *t = (struct _hr_time *) val; - - gettimeofday( &offset, NULL ); - - delta = ( offset.tv_sec - t->start.tv_sec ) * 1000 - + ( offset.tv_usec - t->start.tv_usec ) / 1000; - - if( reset ) - { - t->start.tv_sec = offset.tv_sec; - t->start.tv_usec = offset.tv_usec; - } - - return( delta ); -} - -static void sighandler( int signum ) -{ - alarmed = 1; - signal( signum, sighandler ); -} - -void set_alarm( int seconds ) -{ - alarmed = 0; - signal( SIGALRM, sighandler ); - alarm( seconds ); -} - -void m_sleep( int milliseconds ) -{ - struct timeval tv; - - tv.tv_sec = milliseconds / 1000; - tv.tv_usec = milliseconds * 1000; - - select( 0, NULL, NULL, NULL, &tv ); -} - -#endif - -#endif |