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48 lines
1.4 KiB
48 lines
1.4 KiB
/* |
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* Copyright (c) 2023 Loongson Technology Corporation Limited |
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* Contributed by Hecai Yuan <yuanhecai@loongson.cn> |
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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_LOONGARCH_TIMER_H |
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#define AVUTIL_LOONGARCH_TIMER_H |
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#include <stdint.h> |
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#include "config.h" |
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#if HAVE_INLINE_ASM |
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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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#if ARCH_LOONGARCH64 |
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uint64_t a, id; |
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__asm__ volatile ( "rdtime.d %0, %1" : "=r"(a), "=r"(id) :: ); |
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return a; |
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#else |
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uint32_t a, id; |
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__asm__ volatile ( "rdtimel.w %0, %1" : "=r"(a), "=r"(id) :: ); |
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return (uint64_t)a; |
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#endif |
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} |
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#endif /* HAVE_INLINE_ASM */ |
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#endif /* AVUTIL_LOONGARCH_TIMER_H */
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