distrib/sources/tas/stm/stm_energy_params.c

   1 /****************************************************************************/
   2 /*                                                                          */
   3 /*                      Chaine de CAO & VLSI   AVERTEC                      */
   4 /*                                                                          */
   5 /*    Produit : STM Version 1.00                                            */
   6 /*    Fichier : stm_energy_params.c                                         */
   7 /*                                                                          */
   8 /*    (c) copyright 2000 AVERTEC                                            */
   9 /*    Tous droits reserves                                                  */
  10 /*                                                                          */
  11 /*    Auteur(s) : Caroline BLED                                             */
  12 /*                                                                          */
  13 /****************************************************************************/
  14
  15 /****************************************************************************/
  16 /*     includes                                                             */
  17 /****************************************************************************/
  18
  19 #include "stm.h"
  20
  21 /****************************************************************************/
  22 /*     functions                                                            */
  23 /****************************************************************************/
  24
  25 void    stm_energy_params_destroy (energyparams *params)
  26 {
  27     if (!params)
  28         return;
  29
  30     if (params->EP)
  31         mbkfree (params->EP);
  32
  33     mbkfree (params);
  34 }
  35
  36 energyparams   *stm_energy_params_duplicate (energyparams *params)
  37 {
  38     energyparams   *dupparams;
  39
  40     dupparams = stm_energy_params_create (params->EP);
  41     return dupparams;
  42 }
  43
  44 energyparams   *stm_energy_params_create (float *params)
  45 {
  46     energyparams   *eparams = (energyparams*)mbkalloc (sizeof (struct energyparams));
  47
  48     eparams->EP = (float*)mbkalloc (STM_NB_ENERGY_PARAMS*sizeof (float));
  49
  50     eparams->EP[STM_EPCONF0] = params[STM_EPCONF0];
  51     eparams->EP[STM_EPCONF1] = params[STM_EPCONF1];
  52
  53     return eparams;
  54 }
  55
  56 float   stm_energy_params_eval (energyparams *eparams, float load, float slew, float vdd)
  57 {
  58     float   total_load;
  59     float   pconf0;
  60     float   pconf1;
  61
  62     if (!eparams) {
  63         return 0;
  64     }
  65
  66     pconf0 = eparams->EP[STM_EPCONF0];
  67     pconf1 = eparams->EP[STM_EPCONF1];
  68
  69     total_load  = (pconf0 + (pconf1*slew) + load);
  70     return (float)(total_load*vdd*vdd/2.0*1e-15);
  71 }
  72
  73 timing_model    *stm_energy_params2tbl (timing_model *model, float *slews, long ns, float *loads, long nl, float ci0)
  74 {
  75     ptype_list          *ptype;
  76     stm_carac_values    *cvalues = NULL;
  77     double               loc_slews[1024];
  78     double               loc_loads[1024];
  79     long                 loc_ns = 0;
  80     long                 loc_nl = 0;
  81     int                  i;
  82
  83     if (!model)
  84         return NULL;
  85
  86     if (model->ENERGYTYPE != STM_ENERGY_PARAMS)
  87         return NULL;
  88
  89
  90     if ((ptype = getptype (model->USER, STM_CARAC_VALUES)))
  91         cvalues = (stm_carac_values*)ptype->DATA;
  92
  93     if (!slews && !ns) {
  94         if (cvalues)
  95             loc_ns = stm_genslewaxis (loc_slews, cvalues->SLEW_MIN, cvalues->SLEW_MAX);
  96     } else {
  97         loc_ns = ns;
  98         for (i = 0; i < loc_ns; i++)
  99             loc_slews[i] = slews[i];
 100     }
 101
 102     if (!loads && !nl) {
 103         if (cvalues)
 104             loc_nl = stm_genloadaxis (loc_loads, cvalues->LOAD_MIN, cvalues->LOAD_MAX);
 105     } else {
 106         loc_nl = nl;
 107         for (i = 0; i < loc_nl; i++)
 108             loc_loads[i] = loads[i];
 109     }
 110
 111     if (!loc_ns && !loc_nl)
 112       return NULL;
 113     else
 114     {
 115         stm_energy_table_morph2_energy_fparams (model, loc_slews, loc_ns, loc_loads, loc_nl, STM_DEF_SLEW, STM_DEF_LOAD, ci0);
 116         return model;
 117     }
 118
 119
 120 }