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| author | Rémi Denis-Courmont <remi@remlab.net> | 2022-09-26 17:52:22 +0300 |
|---|---|---|
| committer | Lynne <dev@lynne.ee> | 2022-09-27 13:19:52 +0200 |
| commit | 746f1ff36ac0d232687820fbde4e4efc79093af7 (patch) | |
| tree | f9252d6e42f7c67743c7ebfaf957f706ff562f6e | |
| parent | b95e2fbd85e93b58d019ad0e3da64a72ee7cc3d5 (diff) | |
| download | ffmpeg-746f1ff36ac0d232687820fbde4e4efc79093af7.tar.gz | |
lavu/riscv: initial common header for assembler macros
| -rw-r--r-- | libavutil/riscv/asm.S | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/libavutil/riscv/asm.S b/libavutil/riscv/asm.S new file mode 100644 index 0000000000..dbd97f40a4 --- /dev/null +++ b/libavutil/riscv/asm.S @@ -0,0 +1,77 @@ +/* + * Copyright © 2022 Rémi Denis-Courmont. + * Loosely based on earlier work copyrighted by Måns Rullgård, 2008. + * + * 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 "config.h" + +#if defined (__riscv_float_abi_soft) +#define NOHWF +#define NOHWD +#define HWF # +#define HWD # +#elif defined (__riscv_float_abi_single) +#define NOHWF # +#define NOHWD +#define HWF +#define HWD # +#else +#define NOHWF # +#define NOHWD # +#define HWF +#define HWD +#endif + + .macro func sym, ext= + .text + .align 2 + + .option push + .ifnb \ext + .option arch, +\ext + .endif + + .global \sym + .hidden \sym + .type \sym, %function + \sym: + + .macro endfunc + .size \sym, . - \sym + .option pop + .previous + .purgem endfunc + .endm + .endm + + .macro const sym, align=3, relocate=0 + .if \relocate + .pushsection .data.rel.ro + .else + .pushsection .rodata + .endif + .align \align + \sym: + + .macro endconst + .size \sym, . - \sym + .popsection + .purgem endconst + .endm + .endm |