diff options
Diffstat (limited to 'libavutil')
| -rw-r--r-- | libavutil/aarch64/Makefile | 1 | ||||
| -rw-r--r-- | libavutil/aarch64/asm.S | 63 | ||||
| -rw-r--r-- | libavutil/aarch64/cpu.c | 27 | ||||
| -rw-r--r-- | libavutil/aarch64/cpu.h | 29 | ||||
| -rw-r--r-- | libavutil/cpu.c | 19 | ||||
| -rw-r--r-- | libavutil/cpu_internal.h | 1 |
6 files changed, 136 insertions, 4 deletions
diff --git a/libavutil/aarch64/Makefile b/libavutil/aarch64/Makefile new file mode 100644 index 0000000000..13d26a1520 --- /dev/null +++ b/libavutil/aarch64/Makefile @@ -0,0 +1 @@ +OBJS += aarch64/cpu.o diff --git a/libavutil/aarch64/asm.S b/libavutil/aarch64/asm.S new file mode 100644 index 0000000000..94e5a84583 --- /dev/null +++ b/libavutil/aarch64/asm.S @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" + +#ifdef __ELF__ +# define ELF +#else +# define ELF // +#endif + +.macro function name, export=0, align=2 + .macro endfunc +ELF .size \name, . - \name + .endfunc + .purgem endfunc + .endm + .text + .align \align + .if \export + .global EXTERN_ASM\name +EXTERN_ASM\name: + .endif +ELF .type \name, %function + .func \name +\name: +.endm + +.macro const name, align=2 + .macro endconst +ELF .size \name, . - \name + .purgem endconst + .endm + .section .rodata + .align \align +\name: +.endm + +.macro movrel rd, val +#if CONFIG_PIC + adrp \rd, #:pg_hi21:\val + add \rd, \rd, #:lo12:\val +#else + ldr \rd, =\val +#endif +.endm diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c new file mode 100644 index 0000000000..2cc2ccd9ef --- /dev/null +++ b/libavutil/aarch64/cpu.c @@ -0,0 +1,27 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/cpu.h" +#include "libavutil/cpu_internal.h" +#include "config.h" + +int ff_get_cpu_flags_aarch64(void) +{ + return AV_CPU_FLAG_NEON * HAVE_NEON | + AV_CPU_FLAG_VFP * HAVE_VFP; +} diff --git a/libavutil/aarch64/cpu.h b/libavutil/aarch64/cpu.h new file mode 100644 index 0000000000..704df48b85 --- /dev/null +++ b/libavutil/aarch64/cpu.h @@ -0,0 +1,29 @@ +/* + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVUTIL_AARCH64_CPU_H +#define AVUTIL_AARCH64_CPU_H + +#include "config.h" +#include "libavutil/cpu.h" +#include "libavutil/cpu_internal.h" + +#define have_neon(flags) CPUEXT(flags, NEON) +#define have_vfp(flags) CPUEXT(flags, VFP) + +#endif /* AVUTIL_AARCH64_CPU_H */ diff --git a/libavutil/cpu.c b/libavutil/cpu.c index 25af4c5580..8c2cfb87cc 100644 --- a/libavutil/cpu.c +++ b/libavutil/cpu.c @@ -51,9 +51,14 @@ int av_get_cpu_flags(void) if (checked) return flags; - if (ARCH_ARM) flags = ff_get_cpu_flags_arm(); - if (ARCH_PPC) flags = ff_get_cpu_flags_ppc(); - if (ARCH_X86) flags = ff_get_cpu_flags_x86(); + if (ARCH_AARCH64) + flags = ff_get_cpu_flags_aarch64(); + if (ARCH_ARM) + flags = ff_get_cpu_flags_arm(); + if (ARCH_PPC) + flags = ff_get_cpu_flags_ppc(); + if (ARCH_X86) + flags = ff_get_cpu_flags_x86(); flags &= cpuflags_mask; checked = 1; @@ -114,6 +119,9 @@ int av_parse_cpu_flags(const char *s) { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" }, { "vfpv3", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFPV3 }, .unit = "flags" }, { "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" }, +#elif ARCH_AARCH64 + { "neon", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_NEON }, .unit = "flags" }, + { "vfp", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VFP }, .unit = "flags" }, #endif { NULL }, }; @@ -170,7 +178,10 @@ static const struct { int flag; const char *name; } cpu_flag_tab[] = { -#if ARCH_ARM +#if ARCH_AARCH64 + { AV_CPU_FLAG_NEON, "neon" }, + { AV_CPU_FLAG_VFP, "vfp" }, +#elif ARCH_ARM { AV_CPU_FLAG_ARMV5TE, "armv5te" }, { AV_CPU_FLAG_ARMV6, "armv6" }, { AV_CPU_FLAG_ARMV6T2, "armv6t2" }, diff --git a/libavutil/cpu_internal.h b/libavutil/cpu_internal.h index 08f6e858db..3bfe8a82d8 100644 --- a/libavutil/cpu_internal.h +++ b/libavutil/cpu_internal.h @@ -26,6 +26,7 @@ #define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext) +int ff_get_cpu_flags_aarch64(void); int ff_get_cpu_flags_arm(void); int ff_get_cpu_flags_ppc(void); int ff_get_cpu_flags_x86(void); |