1 files changed, 130 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/Crossbar/Crossbar.hh b/src/mem/ruby/network/orion/Crossbar/Crossbar.hh
new file mode 100644
index 000000000..dc695880d
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+++ b/src/mem/ruby/network/orion/Crossbar/Crossbar.hh
@@ -0,0 +1,130 @@
+/*
+ * 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 __CROSSBAR_H__
+#define __CROSSBAR_H__
+
+#include "mem/ruby/network/orion/Type.hh"
+
+class TechParameter;
+class OrionConfig;
+
+class Crossbar
+{
+  public:
+    enum CrossbarModel
+    {
+      NO_MODEL = 0,
+      MATRIX_CROSSBAR,
+      MULTREE_CROSSBAR
+    };
+    enum ConnectType
+    {
+      TRANS_GATE,
+      TRISTATE_GATE
+    };
+    enum TransType
+    {
+      N_GATE,
+      NP_GATE
+    };
+
+  public:
+    Crossbar(
+      CrossbarModel xbar_model_,
+      const string& conn_type_str_,
+      const string& trans_type_str_,
+      uint32_t num_in_,
+      uint32_t num_out_,
+      uint32_t data_width_,
+      uint32_t num_in_seg_,
+      uint32_t num_out_seg_,
+      uint32_t degree_,
+      const TechParameter* tech_param_ptr_
+    );
+    virtual ~Crossbar() = 0;
+
+  public:
+    double get_len_req_wire() const { return m_len_req_wire; }
+
+    virtual double get_dynamic_energy(bool is_max_) const = 0;
+    double get_static_power() const;
+
+    void print_all() const;
+
+  protected:
+    void set_conn_type(const string& conn_type_str_);
+    void set_trans_type(const string& trans_type_str_);
+    double calc_in_cap();
+    double calc_out_cap(uint32_t num_in_);
+    double calc_int_cap();
+    double calc_ctr_cap(double cap_wire_, bool prev_ctr_, bool next_ctr_);
+    virtual double calc_i_static() = 0;
+
+  protected:
+    CrossbarModel m_xbar_model;
+    ConnectType m_conn_type;
+    TransType m_trans_type;
+    uint32_t m_num_in;
+    uint32_t m_num_out;
+    uint32_t m_data_width;
+    uint32_t m_num_in_seg;
+    uint32_t m_num_out_seg;
+    uint32_t m_degree;
+    const TechParameter* m_tech_param_ptr;
+
+    double m_cap_in_wire;
+    double m_cap_out_wire;
+    double m_cap_ctr_wire;
+    double m_len_req_wire;
+
+    double m_e_chg_in;
+    double m_e_chg_out;
+    double m_e_chg_ctr;
+    double m_e_chg_int;
+
+    double m_i_static;
+
+  public:
+    static Crossbar* create_crossbar(
+      const string& xbar_model_str_,
+      uint32_t num_in_,
+      uint32_t num_out_,
+      uint32_t data_width_,
+      const OrionConfig* orion_cfg_ptr_
+    );
+};
+
+#endif