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Diffstat (limited to 'src/mem/ruby/network/orion/power_crossbar.hh')
-rw-r--r-- | src/mem/ruby/network/orion/power_crossbar.hh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/power_crossbar.hh b/src/mem/ruby/network/orion/power_crossbar.hh new file mode 100644 index 000000000..1dc0220e7 --- /dev/null +++ b/src/mem/ruby/network/orion/power_crossbar.hh @@ -0,0 +1,81 @@ +/* + * 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 |