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