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+/*
+ * Copyright (c) 2009 Princeton University, and
+ * Regents of the University of California
+ * 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 the copyright holders 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.
+ *
+ * Authors: Hangsheng Wang (Orion 1.0, Princeton)
+ * Xinping Zhu (Orion 1.0, Princeton)
+ * Xuning Chen (Orion 1.0, Princeton)
+ * Bin Li (Orion 2.0, Princeton)
+ * Kambiz Samadi (Orion 2.0, UC San Diego)
+ */
+
+#ifndef __WIRE_H__
+#define __WIRE_H__
+
+#include "mem/ruby/network/orion/Type.hh"
+
+class TechParameter;
+
+class Wire
+{
+ public:
+ enum WidthSpacingModel
+ {
+ SWIDTH_SSPACE,
+ SWIDTH_DSPACE,
+ DWIDTH_SSPACE,
+ DWIDTH_DSPACE
+ };
+ enum BufferScheme
+ {
+ MIN_DELAY,
+ STAGGERED
+ };
+
+ public:
+ Wire(
+ const string& wire_spacing_model_str_,
+ const string& buf_scheme_str_,
+ bool is_shielding_,
+ const TechParameter* tech_param_ptr_
+ );
+ ~Wire();
+
+ public:
+ void calc_opt_buffering(int* k_, double* h_, double len_) const;
+ double calc_dynamic_energy(double len_) const;
+ double calc_static_power(double len_) const;
+
+ private:
+ void init();
+ void set_width_spacing_model(const string& wire_spacing_model_str_);
+ void set_buf_scheme(const string& buf_scheme_str_);
+ double calc_res_unit_len();
+ double calc_gnd_cap_unit_len();
+ double calc_couple_cap_unit_len();
+
+ private:
+ const TechParameter* m_tech_param_ptr;
+ WidthSpacingModel m_width_spacing_model;
+ BufferScheme m_buf_scheme;
+ bool m_is_shielding;
+
+ double m_res_unit_len;
+ double m_gnd_cap_unit_len;
+ double m_couple_cap_unit_len;
+};
+
+#endif