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| 1 /* | 1 /* |
| 2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> | 2 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> |
| 3 * | 3 * |
| 4 * This file is part of FFmpeg. | 4 * This file is part of FFmpeg. |
| 5 * | 5 * |
| 6 * FFmpeg is free software; you can redistribute it and/or | 6 * FFmpeg is free software; you can redistribute it and/or |
| 7 * modify it under the terms of the GNU Lesser General Public | 7 * modify it under the terms of the GNU Lesser General Public |
| 8 * License as published by the Free Software Foundation; either | 8 * License as published by the Free Software Foundation; either |
| 9 * version 2.1 of the License, or (at your option) any later version. | 9 * version 2.1 of the License, or (at your option) any later version. |
| 10 * | 10 * |
| 11 * FFmpeg is distributed in the hope that it will be useful, | 11 * FFmpeg is distributed in the hope that it will be useful, |
| 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 * Lesser General Public License for more details. | 14 * Lesser General Public License for more details. |
| 15 * | 15 * |
| 16 * You should have received a copy of the GNU Lesser General Public | 16 * You should have received a copy of the GNU Lesser General Public |
| 17 * License along with FFmpeg; if not, write to the Free Software | 17 * License along with FFmpeg; if not, write to the Free Software |
| 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 */ | 19 */ |
| 20 | 20 |
| 21 #ifndef AVUTIL_ARM_TIMER_H | 21 #ifndef AVUTIL_ARM_TIMER_H |
| 22 #define AVUTIL_ARM_TIMER_H | 22 #define AVUTIL_ARM_TIMER_H |
| 23 | 23 |
| 24 #include <stdint.h> | 24 #include <stdint.h> |
| 25 #include "config.h" |
| 25 | 26 |
| 26 #if HAVE_INLINE_ASM && defined(__ARM_ARCH_7A__) | 27 #if HAVE_INLINE_ASM && defined(__ARM_ARCH_7A__) |
| 27 | 28 |
| 28 #define AV_READ_TIME read_time | 29 #define AV_READ_TIME read_time |
| 29 | 30 |
| 30 static inline uint64_t read_time(void) | 31 static inline uint64_t read_time(void) |
| 31 { | 32 { |
| 32 unsigned cc; | 33 unsigned cc; |
| 33 __asm__ volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r"(cc)); | 34 __asm__ volatile ("mrc p15, 0, %0, c9, c13, 0" : "=r"(cc)); |
| 34 return cc; | 35 return cc; |
| 35 } | 36 } |
| 36 | 37 |
| 37 #endif /* HAVE_INLINE_ASM && __ARM_ARCH_7A__ */ | 38 #endif /* HAVE_INLINE_ASM && __ARM_ARCH_7A__ */ |
| 38 | 39 |
| 39 #endif /* AVUTIL_ARM_TIMER_H */ | 40 #endif /* AVUTIL_ARM_TIMER_H */ |
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