ModelSim::List(3pm)

1ModelSim::List(3)     User Contributed Perl Documentation    ModelSim::List(3)
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NAME

6       ModelSim::List - Analyse the 'list' output of the ModelSim simulator
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VERSION

9       This document describes ModelSim::List 0.06 released on 2 June, 2007.
10

SYNOPSIS

12           use ModelSim::List;
13           $list = ModelSim::List->new;
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15           # ram.lst is generated by ModelSim
16           # simulator (via the "write list" command)
17           $list->parse('ram.lst') or
18               die $list->error();
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20           # get the value of signal /ram/address at time 100:
21           $value = $list->strobe('/ram/address', 100);
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23           # get the time when signal /alu/rdy get the value 1:
24           $time = $list->time_of('/alu/rdy', 1);
25
26           # specify regex rather than actual value:
27           $time = $list->time_of('/processor/bus_data', qr/^z+$/i);
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29           $time = $list->time_of($signal, $value, $start_time);
30           $time = $list->time_of($signal, $value, $start_time, $end_time);
31           die $list->error() unless defined $time;
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DESCRIPTION

34       This module provides a class named "ModelSim::List" with which the EDA
35       tester can easily check in the signals contained in the files generated
36       by ModelSim's "write list" command in a programming manner.
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METHODS

39       "$list = ModelSim::List->new()"
40           This is the constructor of the "ModelSim::List" class.
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42       "$list->parse($file_name)"
43           This method gets the object parse the list file specified as
44           $file_name. You can invoke the parse method on the same object
45           several times. Once you specify a list file, the new file will
46           override the old one completely. No matter whether you use an
47           "-event" option in your "write list" command to generate the file
48           or not, the object will recognize the list format automatically.
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50           I'd like to give one example for each of the two file format here:
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52                    ns       /ram/mfc
53                     delta       /ram/bus_data
54                     0  +2          1 xxxxxxxx
55                     0  +3          0 zzzzzzzz
56                    10  +0          1 0000aaaa
57                    10  +1          0 0000abcd
58                    29  +0          1 0000abcd
59                    38  +0          0 0000abcd
60                    38  +2          0 zzzzzzzz
61                    86  +0          1 zzzzzzzz
62                    86  +1          1 0000abcd
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64           and if you use the "-event" option in the "write list" command, the
65           list file will like follows:
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67               @0 +0
68               /ram/mfc x
69               /ram/mfc 0
70               /ram/bus_data zzzzzzzz
71               /ram/bus_data zzzzzzzz
72               @10 +0
73               /ram/bus_data 0000abcd
74               @29 +0
75               /ram/mfc 1
76               @38 +0
77               /ram/mfc 0
78               @38 +2
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80           The method returns 1 to indicate success. When it returns undef, it
81           is recommended to check the error info via the error() method.
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83       "$list->error()"
84           Returns the error message for the last failed operation.
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86       "$list->strobe($signal, $time)"
87           The strobe method are used to get the value of a signal named
88           $signal at any given time instant, $time. The object will preserve
89           the original signal value format used in the list file. No format
90           conversion will happen.
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92           When strobe() returns undef, it is recommended to check the
93           detailed info via the error() method if you feel surprised.
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95           CAUTION: The delta number will be totally ignored. Therefore, if
96           signal /module/a becomes 0 at "0 ns +0", and changes to 1 at "0 ns
97           +1", thus "$obj->strobe('/module/a', 0)" will return 1 rather than
98           0.
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100       "$list->time_of($signal, $value, ?$start, ?$end)"
101           You can utilize the time_of method to get the time instant when
102           $signal first gained the value $value within the time interval
103           specified by $tart and $end.  Both the last two arguments are
104           optional. In the case that $start is missing, the initial time 0
105           will be assumed. If the signal fails to achieve $value, time_of
106           will return undef.
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108           If the $value argument is a regex ref, time_of will perform pattern
109           matching instead of string comparing.
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111           When time_of() returns undef, it is recommended to check the
112           detailed info via the error() method if you feel surprised.
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VERSION CONTROL

115       You can always get the latest source from the following Subversion
116       repository:
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118       <http://svn.openfoundry.org/modlesimlist>
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120       which has anonymous access to all.
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122       If you do want a commit bit, please let me know.
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BUGS

125       There must be some serious bugs lurking somewhere. If you find one,
126       please consider firing off a report to <http://rt.cpan.org>.
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CODE COVERAGE

129       I use Devel::Cover to test the code coverage of this module and here is
130       the report:
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132        ---------------------------- ------ ------ ------ ------ ------ ------ ------
133        File                           stmt   bran   cond    sub    pod   time  total
134        ---------------------------- ------ ------ ------ ------ ------ ------ ------
135        blib/lib/ModelSim/List.pm      89.4   82.8   77.8   91.7   40.0   99.7   85.0
136        ---------------------------- ------ ------ ------ ------ ------ ------ ------
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AUTHOR

139       Agent Zhang (<agentzh@gmail.com>)
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COPYRIGHT

142       Copyright (C) 2005-2007 by Agent Zhang. .
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144       This library is free software; you can redistribute it and/or modify it
145       under the same terms as Perl itself.
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