summaryrefslogtreecommitdiff
path: root/libavutil/aarch64
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2014-01-15 14:41:41 +0100
committerMichael Niedermayer <michaelni@gmx.at>2014-01-15 14:42:49 +0100
commitd5560f1fecde7d7a1fa0d6089ec1e8dd68ed8be1 (patch)
tree57b334dbe9b28921946a77cff43b66928d67699d /libavutil/aarch64
parentd01f8790d93a5cdb1c943002d480983da0e448df (diff)
parentb7b17ed66e199afc7246e642bf3b35c3f8eca217 (diff)
Merge commit 'b7b17ed66e199afc7246e642bf3b35c3f8eca217'
* commit 'b7b17ed66e199afc7246e642bf3b35c3f8eca217': aarch64: add cpuflags support for NEON and VFP Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/aarch64')
-rw-r--r--libavutil/aarch64/Makefile1
-rw-r--r--libavutil/aarch64/asm.S63
-rw-r--r--libavutil/aarch64/cpu.c27
-rw-r--r--libavutil/aarch64/cpu.h29
4 files changed, 120 insertions, 0 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..3b6abba9f5
--- /dev/null
+++ b/libavutil/aarch64/asm.S
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
+ *
+ * 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"
+
+#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..87e9d50561
--- /dev/null
+++ b/libavutil/aarch64/cpu.c
@@ -0,0 +1,27 @@
+/*
+ * 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 "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..d6af28126b
--- /dev/null
+++ b/libavutil/aarch64/cpu.h
@@ -0,0 +1,29 @@
+/*
+ * 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_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 */