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Diffstat (limited to 'src/mem/ruby/network/orion/power_arbiter.hh')
-rw-r--r-- | src/mem/ruby/network/orion/power_arbiter.hh | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/power_arbiter.hh b/src/mem/ruby/network/orion/power_arbiter.hh new file mode 100644 index 000000000..671608c2f --- /dev/null +++ b/src/mem/ruby/network/orion/power_arbiter.hh @@ -0,0 +1,90 @@ +/* + * 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. + */ + +// Arbiter + + +#ifndef _POWER_ARBITER_H +#define _POWER_ARBITER_H + +#include "power_array.hh" + +typedef enum { + RR_ARBITER =1, + MATRIX_ARBITER, + QUEUE_ARBITER, + ARBITER_MAX_MODEL +} power_arbiter_model; + +typedef enum { + NEG_DFF = 1, /* negative egde-triggered D flip-flop */ + FF_MAX_MODEL +} power_ff_model; + +typedef struct { + int model; + unsigned long int n_switch; + unsigned long int n_keep_1; + unsigned long int n_keep_0; + unsigned long int n_clock; + double e_switch; + double e_keep_1; + double e_keep_0; + double e_clock; + double i_leakage; +} power_ff; + +typedef struct{ + int model; + unsigned req_width; + unsigned long int n_chg_req; + unsigned long int n_chg_grant; + unsigned long int n_chg_carry; //internal node of rr arbiter + unsigned long int n_chg_carry_in; //internal node of rr arbiter + unsigned long int n_chg_mint; //internal node of matrix arbiter + unsigned long int mask; + double e_chg_req; + double e_chg_grant; + double e_chg_carry; + double e_chg_carry_in; + double e_chg_mint; + power_ff pri_ff; //priority ff + power_array queue; //request queue + double i_leakage; +} power_arbiter; + +extern int arbiter_record(power_arbiter *arb, unsigned long int new_req, unsigned long int old_req, unsigned new_grant, unsigned old_grant); + +extern double arbiter_report(power_arbiter *arb); + +extern int power_arbiter_init(power_arbiter *arb, int arbiter_model, int ff_model, unsigned req_width, double length, power_array_info *info); + +#endif + + + |