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Split libavutil/timer.h per architecture
Originally committed as revision 18304 to svn://svn.ffmpeg.org/ffmpeg/trunk
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41
libavutil/bfin/timer.h
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41
libavutil/bfin/timer.h
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/*
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* Copyright (C) 2007 Marc Hoffman
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_BFIN_TIMER_H
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#define AVUTIL_BFIN_TIMER_H
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#include <stdint.h>
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#define AV_READ_TIME read_time
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static inline uint64_t read_time(void)
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{
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union {
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struct {
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unsigned lo;
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unsigned hi;
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} p;
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unsigned long long c;
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} t;
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__asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi));
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return t.c;
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}
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#endif /* AVUTIL_BFIN_TIMER_H */
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47
libavutil/ppc/timer.h
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libavutil/ppc/timer.h
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/*
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* Copyright (c) 2005 Luca Barbato <lu_zero@gentoo.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_PPC_TIMER_H
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#define AVUTIL_PPC_TIMER_H
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#include <stdint.h>
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#define AV_READ_TIME read_time
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static inline uint64_t read_time(void)
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{
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uint32_t tbu, tbl, temp;
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/* from section 2.2.1 of the 32-bit PowerPC PEM */
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__asm__ volatile(
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"1:\n"
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"mftbu %2\n"
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"mftb %0\n"
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"mftbu %1\n"
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"cmpw %2,%1\n"
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"bne 1b\n"
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: "=r"(tbl), "=r"(tbu), "=r"(temp)
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:
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: "cc");
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return (((uint64_t)tbu)<<32) | (uint64_t)tbl;
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}
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#endif /* AVUTIL_PPC_TIMER_H */
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@ -28,51 +28,16 @@
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#include <stdint.h>
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#include <stdint.h>
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#include "config.h"
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#include "config.h"
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#if ARCH_X86 || ARCH_PPC || ARCH_BFIN
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#if ARCH_BFIN
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#define AV_READ_TIME read_time
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# include "bfin/timer.h"
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#if ARCH_X86
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#elif ARCH_PPC
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static inline uint64_t read_time(void)
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# include "ppc/timer.h"
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{
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#elif ARCH_X86
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uint32_t a, d;
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# include "x86/timer.h"
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__asm__ volatile("rdtsc\n\t"
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: "=a" (a), "=d" (d));
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return ((uint64_t)d << 32) + a;
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}
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#elif ARCH_BFIN
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static inline uint64_t read_time(void)
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{
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union {
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struct {
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unsigned lo;
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unsigned hi;
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} p;
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unsigned long long c;
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} t;
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__asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi));
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return t.c;
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}
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#else //FIXME check ppc64
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static inline uint64_t read_time(void)
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{
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uint32_t tbu, tbl, temp;
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/* from section 2.2.1 of the 32-bit PowerPC PEM */
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__asm__ volatile(
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"1:\n"
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"mftbu %2\n"
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"mftb %0\n"
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"mftbu %1\n"
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"cmpw %2,%1\n"
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"bne 1b\n"
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: "=r"(tbl), "=r"(tbu), "=r"(temp)
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:
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: "cc");
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return (((uint64_t)tbu)<<32) | (uint64_t)tbl;
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}
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#endif
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#endif
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#elif HAVE_GETHRTIME
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#define AV_READ_TIME gethrtime
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#if !defined(AV_READ_TIME) && HAVE_GETHRTIME
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# define AV_READ_TIME gethrtime
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#endif
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#endif
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#ifdef AV_READ_TIME
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#ifdef AV_READ_TIME
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35
libavutil/x86/timer.h
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35
libavutil/x86/timer.h
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@ -0,0 +1,35 @@
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/*
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* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_X86_TIMER_H
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#define AVUTIL_X86_TIMER_H
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#include <stdint.h>
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#define AV_READ_TIME read_time
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static inline uint64_t read_time(void)
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{
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uint32_t a, d;
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__asm__ volatile("rdtsc" : "=a" (a), "=d" (d));
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return ((uint64_t)d << 32) + a;
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}
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#endif /* AVUTIL_X86_TIMER_H */
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