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Diffstat (limited to 'src/mem/ruby/network/orion/Allocator/Arbiter.hh')
-rw-r--r-- | src/mem/ruby/network/orion/Allocator/Arbiter.hh | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/Allocator/Arbiter.hh b/src/mem/ruby/network/orion/Allocator/Arbiter.hh new file mode 100644 index 000000000..cdd4678ec --- /dev/null +++ b/src/mem/ruby/network/orion/Allocator/Arbiter.hh @@ -0,0 +1,87 @@ +/* + * 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 __ARBITER_H__ +#define __ARBITER_H__ + +#include "mem/ruby/network/orion/Type.hh" + +class TechParameter; +class FlipFlop; + +class Arbiter +{ + public: + enum ArbiterModel + { + NO_MODEL = 0, + RR_ARBITER, + MATRIX_ARBITER + }; + + public: + Arbiter(const ArbiterModel arb_model_, + const uint32_t req_width_, + const double len_in_wire_, + const TechParameter* tech_param_ptr_); + virtual ~Arbiter() = 0; + + public: + virtual double calc_dynamic_energy(double num_req_, bool is_max_) const = 0; + double get_static_power() const; + + protected: + ArbiterModel m_arb_model; + uint32_t m_req_width; + double m_len_in_wire; + const TechParameter* m_tech_param_ptr; + + FlipFlop* m_ff_ptr; + + double m_e_chg_req; + double m_e_chg_grant; + + double m_i_static; + + public: + static Arbiter* create_arbiter(const string& arb_model_str_, + const string& ff_model_str_, + uint32_t req_width_, + double len_in_wire_, + const TechParameter* tech_param_ptr_); +}; + +#endif + |