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--- vpx_ports/ppc_cpudetect.c.orig 2018-01-24 22:25:44 UTC
+++ vpx_ports/ppc_cpudetect.c
@@ -8,12 +8,6 @@
* be found in the AUTHORS file in the root of the source tree.
*/
-#include <fcntl.h>
-#include <unistd.h>
-#include <stdint.h>
-#include <asm/cputable.h>
-#include <linux/auxvec.h>
-
#include "./vpx_config.h"
#include "vpx_ports/ppc.h"
@@ -35,6 +29,13 @@ static int cpu_env_mask(void) {
return env && *env ? (int)strtol(env, NULL, 0) : ~0;
}
+#if defined(__linux__)
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <asm/cputable.h>
+#include <linux/auxvec.h>
+
int ppc_simd_caps(void) {
int flags;
int mask;
@@ -73,6 +74,36 @@ out_close:
close(fd);
return flags & mask;
}
+#elif defined(__FreeBSD__)
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <machine/cpu.h>
+
+int ppc_simd_caps(void) {
+ int flags;
+ int mask;
+ u_long cpu_features = 0;
+ size_t sz = sizeof(cpu_features);
+
+ // If VPX_SIMD_CAPS is set then allow only those capabilities.
+ if (!cpu_env_flags(&flags)) {
+ return flags;
+ }
+
+ mask = cpu_env_mask();
+
+ sysctlbyname("hw.cpu_features", &cpu_features, &sz, NULL, 0);
+#if HAVE_VSX
+ if (cpu_features & PPC_FEATURE_HAS_VSX) flags |= HAS_VSX;
+#endif
+
+ return flags & mask;
+}
+#else
+#error \
+ "--enable-runtime-cpu-detect selected, but no CPU detection method " \
+"available for your platform. Reconfigure with --disable-runtime-cpu-detect."
+#endif /* end __linux__ */
#else
// If there is no RTCD the function pointers are not used and can not be
// changed.
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