libavutil/ppc: Make use of getauxval() and elf_aux_info() on ppc
Modern Linux has getauxval() and FreeBSD/OpenBSD ppc have elf_aux_info().
Signed-off-by: Brad Smith <b...@comstyle.com>
---
libavutil/ppc/cpu.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/libavutil/ppc/cpu.c b/libavutil/ppc/cpu.c
index 2b13cda662..6dc1961e7a 100644
--- a/libavutil/ppc/cpu.c
+++ b/libavutil/ppc/cpu.c
@@ -20,6 +20,8 @@
#ifdef __APPLE__
#include <sys/sysctl.h>
+#elif HAVE_GETAUXVAL || HAVE_ELF_AUX_INFO
+#include <sys/auxv.h>
#elif defined(__linux__)
#include <asm/cputable.h>
#include <linux/auxvec.h>
@@ -56,6 +58,20 @@ int ff_get_cpu_flags_ppc(void)
if (result == VECTORTYPE_ALTIVEC)
return AV_CPU_FLAG_ALTIVEC;
return 0;
+#elif HAVE_GETAUXVAL || HAVE_ELF_AUX_INFO
+ int flags = 0;
+
+ unsigned long hwcap = ff_getauxval(AT_HWCAP);
+ unsigned long hwcap2 = ff_getauxval(AT_HWCAP2);
+
+ if (hwcap & PPC_FEATURE_HAS_ALTIVEC)
+ flags |= AV_CPU_FLAG_ALTIVEC;
+ if (hwcap & PPC_FEATURE_HAS_VSX)
+ flags |= AV_CPU_FLAG_VSX;
+ if (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+ flags |= AV_CPU_FLAG_POWER8;
+
+ return flags;
#elif defined(__APPLE__) || defined(__NetBSD__) || defined(__OpenBSD__)
#if defined(__NetBSD__) || defined(__OpenBSD__)
int sels[2] = {CTL_MACHDEP, CPU_ALTIVEC};
--
2.46.0
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