1 files changed, 51 insertions, 0 deletions
diff --git a/newlib/libc/machine/spu/spu_timebase.c b/newlib/libc/machine/spu/spu_timebase.c
new file mode 100644
index 000000000..cb8f34d94
--- /dev/null
+++ b/newlib/libc/machine/spu/spu_timebase.c
@@ -0,0 +1,51 @@
+/*
+(C) Copyright IBM Corp. 2008
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+* Neither the name of IBM nor the names of its contributors may be
+used to endorse or promote products derived from this software without
+specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <spu_timer.h>
+#include <stdio.h>
+
+/* This function queries /proc/cpuinfo and returns the SPU time base in
+   Hertz.  */
+unsigned int
+spu_timebase (void)
+{
+  FILE *f;
+  unsigned tb = 0;
+  char line[64];
+  if ((f = fopen ("/proc/cpuinfo", "r")))
+    {
+      while (fgets (line, sizeof (line), f))
+        if (sscanf (line, "timebase : %u", &tb))
+          break;
+      fclose (f);
+    }
+  return (tb);
+}
+