MoonchildProductions/UXP#2897: Fix ffvpx build on loongarch64

This commit is contained in:
Basilisk-Dev 2026-01-07 17:49:32 -05:00 committed by ownedbywuigi
commit d7963fcc9e
18 changed files with 3559 additions and 23 deletions

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@ -0,0 +1,61 @@
/*
* Copyright (c) 2020 Loongson Technology Corporation Limited
* Contributed by Shiyou Yin <yinshiyou-hf@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
*/
#include <stdint.h>
#include "cpu.h"
#include <sys/auxv.h>
#define LA_HWCAP_LSX (1<<4)
#define LA_HWCAP_LASX (1<<5)
static int cpu_flags_getauxval(void)
{
int flags = 0;
int flag = (int)getauxval(AT_HWCAP);
if (flag & LA_HWCAP_LSX)
flags |= AV_CPU_FLAG_LSX;
if (flag & LA_HWCAP_LASX)
flags |= AV_CPU_FLAG_LASX;
return flags;
}
int ff_get_cpu_flags_loongarch(void)
{
#if defined __linux__
return cpu_flags_getauxval();
#else
/* Assume no SIMD ASE supported */
return 0;
#endif
}
size_t ff_get_cpu_max_align_loongarch(void)
{
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_LASX)
return 32;
if (flags & AV_CPU_FLAG_LSX)
return 16;
return 8;
}

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/*
* Copyright (c) 2020 Loongson Technology Corporation Limited
* Contributed by Shiyou Yin <yinshiyou-hf@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_CPU_H
#define AVUTIL_LOONGARCH_CPU_H
#include "libavutil/cpu.h"
#include "libavutil/cpu_internal.h"
#define have_lsx(flags) CPUEXT(flags, LSX)
#define have_lasx(flags) CPUEXT(flags, LASX)
#endif /* AVUTIL_LOONGARCH_CPU_H */

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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
SOURCES += [
'cpu.c',
]
FINAL_LIBRARY = 'mozavutil'
include('/media/ffvpx/ffvpxcommon.mozbuild')

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@ -0,0 +1,48 @@
/*
* 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 */

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@ -6,7 +6,21 @@
# Due to duplicate file names, we compile libavutil/x86 in its own
# moz.build file.
if CONFIG['FFVPX_ASFLAGS']:
<<<<<<< HEAD
DIRS += ['x86']
=======
if CONFIG['CPU_ARCH'].startswith('x86'):
DIRS += ['x86']
elif CONFIG['CPU_ARCH'].startswith('arm'):
DIRS += ['arm']
if CONFIG['CPU_ARCH'] == 'aarch64':
DIRS += ['aarch64']
elif CONFIG['CPU_ARCH'].startswith('ppc'):
DIRS += ['ppc']
elif CONFIG['CPU_ARCH'].startswith('loongarch64'):
DIRS += ['loongarch']
>>>>>>> fb438829b5 (MoonchildProductions/UXP#2897: Fix ffvpx build on loongarch64)
SharedLibrary('mozavutil')

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@ -1,5 +1,6 @@
/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2023 Loongson Technology Corporation Limited
* Contributed by Hecai Yuan <yuanhecai@loongson.cn>
*
* This file is part of FFmpeg.
*
@ -18,30 +19,17 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* high precision timer, useful to profile code
*/
#ifndef AVUTIL_TIMER_H
#define AVUTIL_TIMER_H
#ifndef AVUTIL_LOONGARCH_TIMER_H
#define AVUTIL_LOONGARCH_TIMER_H
#include <stdint.h>
#include "config.h"
#if CONFIG_LINUX_PERF
# ifndef _GNU_SOURCE
# define _GNU_SOURCE
# endif
# include <unistd.h> // read(3)
# include <sys/ioctl.h>
# include <asm/unistd.h>
# include <linux/perf_event.h>
#endif
#if HAVE_INLINE_ASM
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#define AV_READ_TIME read_time
<<<<<<< HEAD
#if HAVE_MACH_MACH_TIME_H
#include <mach/mach_time.h>
#endif
@ -133,9 +121,22 @@
#define STOP_TIMER(id) \
tend = AV_READ_TIME(); \
TIMER_REPORT(id, tend - tstart)
#else
#define START_TIMER
#define STOP_TIMER(id) { }
#endif
=======
static inline uint64_t read_time(void)
{
#endif /* AVUTIL_TIMER_H */
#if ARCH_LOONGARCH64
uint64_t a, id;
__asm__ volatile ( "rdtime.d %0, %1" : "=r"(a), "=r"(id) :: );
return a;
>>>>>>> fb438829b5 (MoonchildProductions/UXP#2897: Fix ffvpx build on loongarch64)
#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 */