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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* 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.
*/
// Crossbar
#ifndef _POWER_CROSSBAR_H
#define _POWER_CROSSBAR_H
typedef enum {
TRANS_GATE,
TRISTATE_GATE
} power_connect_model;
/* transmission gate type */
typedef enum {
N_GATE,
NP_GATE
} power_trans;
typedef enum {
MATRIX_CROSSBAR =1,
MULTREE_CROSSBAR,
CUT_THRU_CROSSBAR,
CROSSBAR_MAX_MODEL
} power_crossbar_model;
typedef struct {
int model;
unsigned n_in;
unsigned n_out;
unsigned data_width;
unsigned degree; //used only for multree xbar
unsigned connect_type;
unsigned trans_type;
unsigned long int n_chg_in;
unsigned long int n_chg_int;
unsigned long int n_chg_out;
unsigned long int n_chg_ctr;
unsigned long int mask;
double e_chg_in;
double e_chg_int;
double e_chg_out;
double e_chg_ctr;
unsigned depth; //used only for multree xbar
double i_leakage;
} power_crossbar;
extern int crossbar_record(power_crossbar *xb, int io, unsigned long int new_data, unsigned long int old_data, unsigned new_port, unsigned old_port);
extern int power_crossbar_init(power_crossbar *crsbar, int model, unsigned n_in, unsigned n_out, unsigned data_width, unsigned degree, int connect_type, int trans_type, double in_len, double out_len, double *req_len);
extern double crossbar_report(power_crossbar *crsbar);
#endif
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