source: vis_dev/vis-2.3/src/truesim/truesimSim.c

Last change on this file was 14, checked in by cecile, 13 years ago

vis2.3
File size: 5.6 KB
Line 
1/**CFile***********************************************************************
2
3  FileName    [truesimSim.c]
4
5  PackageName [truesim]
6
7  Synopsis    [Top-level routine to perform simulation.]
8
9  Author      [Balakrishna Kumthekar]
10
11  Copyright [This file was created at the University of Colorado at Boulder.
12  The University of Colorado at Boulder makes no warranty about the suitability
13  of this software for any purpose.  It is presented on an AS IS basis.]
14
15******************************************************************************/
16
17#include "truesimInt.h"
18
19/*---------------------------------------------------------------------------*/
20/* Constant declarations                                                     */
21/*---------------------------------------------------------------------------*/
22
23
24/*---------------------------------------------------------------------------*/
25/* Type declarations                                                         */
26/*---------------------------------------------------------------------------*/
27
28
29/*---------------------------------------------------------------------------*/
30/* Structure declarations                                                    */
31/*---------------------------------------------------------------------------*/
32
33
34/*---------------------------------------------------------------------------*/
35/* Variable declarations                                                     */
36/*---------------------------------------------------------------------------*/
37
38/* Global variable from truesimCmd.c. */
39extern int truesimRptHeader;
40extern int truesimVerbose;
41
42/**AutomaticStart*************************************************************/
43
44/*---------------------------------------------------------------------------*/
45/* Static function prototypes                                                */
46/*---------------------------------------------------------------------------*/
47
48
49/**AutomaticEnd***************************************************************/
50
51
52/*---------------------------------------------------------------------------*/
53/* Definition of exported functions                                          */
54/*---------------------------------------------------------------------------*/
55
56
57/*---------------------------------------------------------------------------*/
58/* Definition of internal functions                                          */
59/*---------------------------------------------------------------------------*/
60/**Function********************************************************************
61
62  Synopsis           [Entry routine to perform network simulation.]
63
64  Description        [Entry routine to perform network simulation.
65  simFile provides bit-vectors for simulation. In the absence of
66  simFile, probFile provides the primary input probabilites using with
67  random bit-vector patterns are generated. delayFile has the
68  <delay,load> pair for each node in the circuit. If simFile is not
69  specified and random vectors are generated, those vectors are dumped
70  to dumpFile. If genVectors is 0, no vectors are generated.
71 
72  Some of the arguments are redundant, but they are kept here for
73  historical reasons.]
74
75  SideEffects        [required]
76
77******************************************************************************/
78int
79TruesimSimulateNetwork(
80  Ntk_Network_t *network,
81  char *simFile,
82  char *probFile,
83  char *delayFile,
84  char *dumpFile,
85  boolean trueDelay,
86  int genVectors,
87  int N)
88{
89  array_t *inputArray,*patternArray;
90  int i,status;
91  char *str;
92 
93  /* inputArray stores the names of primary input nodes and patternArray stores
94     the simulation vectors as char strings. One could use bit packing, but
95     this is fast and simple. */
96  inputArray = array_alloc(Ntk_Node_t *,0);
97  patternArray = array_alloc(char *,0);
98
99  if (genVectors == 0) { /* Read simulation file */
100    Truesim_ReadSimulationVectors(network,simFile,inputArray,patternArray);
101  } else { /* Generate random vectors */
102    array_t *probArray;
103    int numInputs;
104   
105    probArray = array_alloc(float,0);
106    Truesim_ReadInputProbabilities(network,probFile,inputArray,probArray);
107
108    if(array_n(probArray) == 0) {
109      array_free(inputArray);
110      array_free(patternArray);
111      array_free(probArray);
112      return 0;
113    }
114    numInputs = array_n(inputArray);
115    Truesim_GenerateRandomVectors(network,probArray,patternArray,
116                                  numInputs,N);
117    array_free(probArray);
118
119    /* Output pattern vectors */
120    if (dumpFile) {
121      Truesim_DumpSimulationVectors(network,inputArray,patternArray,dumpFile);
122    }
123  }
124
125  /* Initialize the simulation data structures */
126  Truesim_InitializeSimulation(network,delayFile,trueDelay,truesimRptHeader,
127                               truesimVerbose,NIL(st_table));
128
129  /* Now perform true delay simulation or zero delay simulation
130     according to 'trueDelay' */ 
131  if (trueDelay) { /* Perform event driven simulation */
132    status = Truesim_RealDelayPatternSimulate(network,inputArray,patternArray);
133  } else { /* Perform zero-delay simulation */
134    status = Truesim_ZeroDelayPatternSimulate(network,inputArray,patternArray);
135  }
136
137  /* End the simulation */
138  Truesim_QuitSimulation(network);
139
140  /* Free the space used to store the input nodes */
141  array_free(inputArray);
142  /* Free the pattern vectors */
143  arrayForEachItem(char *, patternArray,i,str) {
144    FREE(str);
145  }
146  array_free(patternArray);
147
148  return status;
149
150} /* End of TruesimSimulateNetwork */
151
152/*---------------------------------------------------------------------------*/
153/* Definition of static functions                                            */
154/*---------------------------------------------------------------------------*/
155
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