Originally committed as revision 18304 to svn://svn.ffmpeg.org/ffmpeg/trunktags/v0.6
| @@ -0,0 +1,41 @@ | |||
| /* | |||
| * Copyright (C) 2007 Marc Hoffman | |||
| * | |||
| * This file is part of FFmpeg. | |||
| * | |||
| * FFmpeg is free software; you can redistribute it and/or | |||
| * modify it under the terms of the GNU Lesser General Public | |||
| * License as published by the Free Software Foundation; either | |||
| * version 2.1 of the License, or (at your option) any later version. | |||
| * | |||
| * FFmpeg 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 | |||
| * Lesser General Public License for more details. | |||
| * | |||
| * You should have received a copy of the GNU Lesser General Public | |||
| * License along with FFmpeg; if not, write to the Free Software | |||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
| */ | |||
| #ifndef AVUTIL_BFIN_TIMER_H | |||
| #define AVUTIL_BFIN_TIMER_H | |||
| #include <stdint.h> | |||
| #define AV_READ_TIME read_time | |||
| static inline uint64_t read_time(void) | |||
| { | |||
| union { | |||
| struct { | |||
| unsigned lo; | |||
| unsigned hi; | |||
| } p; | |||
| unsigned long long c; | |||
| } t; | |||
| __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); | |||
| return t.c; | |||
| } | |||
| #endif /* AVUTIL_BFIN_TIMER_H */ | |||
| @@ -0,0 +1,47 @@ | |||
| /* | |||
| * Copyright (c) 2005 Luca Barbato <lu_zero@gentoo.org> | |||
| * | |||
| * This file is part of FFmpeg. | |||
| * | |||
| * FFmpeg is free software; you can redistribute it and/or | |||
| * modify it under the terms of the GNU Lesser General Public | |||
| * License as published by the Free Software Foundation; either | |||
| * version 2.1 of the License, or (at your option) any later version. | |||
| * | |||
| * FFmpeg 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 | |||
| * Lesser General Public License for more details. | |||
| * | |||
| * You should have received a copy of the GNU Lesser General Public | |||
| * License along with FFmpeg; if not, write to the Free Software | |||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
| */ | |||
| #ifndef AVUTIL_PPC_TIMER_H | |||
| #define AVUTIL_PPC_TIMER_H | |||
| #include <stdint.h> | |||
| #define AV_READ_TIME read_time | |||
| static inline uint64_t read_time(void) | |||
| { | |||
| uint32_t tbu, tbl, temp; | |||
| /* from section 2.2.1 of the 32-bit PowerPC PEM */ | |||
| __asm__ volatile( | |||
| "1:\n" | |||
| "mftbu %2\n" | |||
| "mftb %0\n" | |||
| "mftbu %1\n" | |||
| "cmpw %2,%1\n" | |||
| "bne 1b\n" | |||
| : "=r"(tbl), "=r"(tbu), "=r"(temp) | |||
| : | |||
| : "cc"); | |||
| return (((uint64_t)tbu)<<32) | (uint64_t)tbl; | |||
| } | |||
| #endif /* AVUTIL_PPC_TIMER_H */ | |||
| @@ -28,51 +28,16 @@ | |||
| #include <stdint.h> | |||
| #include "config.h" | |||
| #if ARCH_X86 || ARCH_PPC || ARCH_BFIN | |||
| #define AV_READ_TIME read_time | |||
| #if ARCH_X86 | |||
| static inline uint64_t read_time(void) | |||
| { | |||
| uint32_t a, d; | |||
| __asm__ volatile("rdtsc\n\t" | |||
| : "=a" (a), "=d" (d)); | |||
| return ((uint64_t)d << 32) + a; | |||
| } | |||
| #elif ARCH_BFIN | |||
| static inline uint64_t read_time(void) | |||
| { | |||
| union { | |||
| struct { | |||
| unsigned lo; | |||
| unsigned hi; | |||
| } p; | |||
| unsigned long long c; | |||
| } t; | |||
| __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); | |||
| return t.c; | |||
| } | |||
| #else //FIXME check ppc64 | |||
| static inline uint64_t read_time(void) | |||
| { | |||
| uint32_t tbu, tbl, temp; | |||
| /* from section 2.2.1 of the 32-bit PowerPC PEM */ | |||
| __asm__ volatile( | |||
| "1:\n" | |||
| "mftbu %2\n" | |||
| "mftb %0\n" | |||
| "mftbu %1\n" | |||
| "cmpw %2,%1\n" | |||
| "bne 1b\n" | |||
| : "=r"(tbl), "=r"(tbu), "=r"(temp) | |||
| : | |||
| : "cc"); | |||
| return (((uint64_t)tbu)<<32) | (uint64_t)tbl; | |||
| } | |||
| #if ARCH_BFIN | |||
| # include "bfin/timer.h" | |||
| #elif ARCH_PPC | |||
| # include "ppc/timer.h" | |||
| #elif ARCH_X86 | |||
| # include "x86/timer.h" | |||
| #endif | |||
| #elif HAVE_GETHRTIME | |||
| #define AV_READ_TIME gethrtime | |||
| #if !defined(AV_READ_TIME) && HAVE_GETHRTIME | |||
| # define AV_READ_TIME gethrtime | |||
| #endif | |||
| #ifdef AV_READ_TIME | |||
| @@ -0,0 +1,35 @@ | |||
| /* | |||
| * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> | |||
| * | |||
| * This file is part of FFmpeg. | |||
| * | |||
| * FFmpeg is free software; you can redistribute it and/or | |||
| * modify it under the terms of the GNU Lesser General Public | |||
| * License as published by the Free Software Foundation; either | |||
| * version 2.1 of the License, or (at your option) any later version. | |||
| * | |||
| * FFmpeg 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 | |||
| * Lesser General Public License for more details. | |||
| * | |||
| * You should have received a copy of the GNU Lesser General Public | |||
| * License along with FFmpeg; if not, write to the Free Software | |||
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
| */ | |||
| #ifndef AVUTIL_X86_TIMER_H | |||
| #define AVUTIL_X86_TIMER_H | |||
| #include <stdint.h> | |||
| #define AV_READ_TIME read_time | |||
| static inline uint64_t read_time(void) | |||
| { | |||
| uint32_t a, d; | |||
| __asm__ volatile("rdtsc" : "=a" (a), "=d" (d)); | |||
| return ((uint64_t)d << 32) + a; | |||
| } | |||
| #endif /* AVUTIL_X86_TIMER_H */ | |||