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diff --git a/volk/gen/make_proccpu_sim.py b/volk/gen/make_proccpu_sim.py
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+#!/usr/bin/env python
+#
+# Copyright 2011 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from xml.dom import minidom
+
+def make_proccpu_sim(dom) :
+ tempstring = "";
+ tempstring = tempstring + "/*this file is auto_generated by volk_register.py*/\n\n";
+ tempstring = tempstring + "#include <volk/volk_cpu.h>\n"
+ tempstring = tempstring + "#include <stdio.h>\n"
+ tempstring = tempstring + "\n\n"
+
+ tempstring = tempstring + "void test_append(char* buf, int val, char* newkey){\n";
+ tempstring = tempstring + " if(val==1){\n";
+ tempstring = tempstring + " sprintf(buf, \"%s %s\", buf, newkey);\n";
+ tempstring = tempstring + " }\n";
+ tempstring = tempstring + "}\n";
+ tempstring = tempstring + "\n\n";
+
+ tempstring = tempstring + "int main() {\n";
+ tempstring = tempstring + " volk_cpu_init();\n";
+ tempstring = tempstring + " char buf[2048];\n";
+ for domarch in dom:
+ arch = str(domarch.attributes["name"].value);
+ tempstring = tempstring + " test_append(buf, volk_cpu.has_" + arch + "(), \"" + arch + "\");\n"
+ tempstring = tempstring + " printf(\"%s\\n\", buf);\n"
+ tempstring = tempstring + "}\n"
+ return tempstring;