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- Assume NEON is enabled on armv7
- Implement runtime detection on FreeBSD
--- aom_ports/aarch32_cpudetect.c.orig 2023-11-30 23:18:12 UTC
+++ aom_ports/aarch32_cpudetect.c
@@ -12,7 +12,7 @@
#include "arm_cpudetect.h"
-#if !CONFIG_RUNTIME_CPU_DETECT
+#if !CONFIG_RUNTIME_CPU_DETECT || defined(__ARM_NEON)
static int arm_get_cpu_caps(void) {
// This function should actually be a no-op. There is no way to adjust any of
@@ -55,9 +55,23 @@ static int arm_get_cpu_caps(void) {
return flags;
}
-#elif defined(__linux__) // end defined(AOM_USE_ANDROID_CPU_FEATURES)
+#elif defined(__linux__) || defined(__FreeBSD__) // end defined(AOM_USE_ANDROID_CPU_FEATURES)
#include <sys/auxv.h>
+
+#if defined(__FreeBSD__)
+static unsigned long getauxval(unsigned long type)
+{
+ /* Only AT_HWCAP* return unsigned long */
+ if (type != AT_HWCAP && type != AT_HWCAP2) {
+ return 0;
+ }
+
+ unsigned long ret = 0;
+ elf_aux_info(type, &ret, sizeof(ret));
+ return ret;
+}
+#endif
// Define hwcap values ourselves: building with an old auxv header where these
// hwcap values are not defined should not prevent features from being enabled.
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