pathBetweenModules.tcl

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
###############################################################################
# Copyright (c) 2015-2024 by Altair Engineering, Inc.
# All rights reserved.
#
# Altair Engineering, Inc. makes this software available as part of the Vision
# tool platform.  As long as you are a licensee of the Vision tool platform
# you may make copies of the software and modify it to be used within the
# Vision tool platform, but you must include all of this notice on any copy.
# Redistribution without written permission to any third party, with or
# without modification, is not permitted.
# Altair Engineering, Inc. does not warrant that this software is error free
# or fit for any purpose.  Altair Engineering, Inc. disclaims any liability for
# all claims, expenses, losses, damages and costs any user may incur as a
# result of using, copying or modifying the software.
# =============================================================================
#   @userware
#       Find Path Between Modules
#   @section
#       Analyze the Loaded Database
#   @description
#       Find all paths between the output pins of a given start module
#       instance and any pin of a given target module instance.
#   @files
#       pathBetweenModules.tcl
#   @example
#       demo/rtl/aquarius/aquarius.f
#   @cmdline
#       -F @example[0]
#       -userware @files[0]
#   @tag
#       gui zdb
###############################################################################


# -----------------------------------------------------------------------------
# pathBetweenModules - Find all paths between the output pins of a given start
#                      module instance and any pin of a given target
#                      module instance.
# -----------------------------------------------------------------------------
#
proc pathBetweenModules {startModuleInst targetModuleInst} {
    ##
    # Get database.
    #
    set db [gui database get]

    ##
    # Get list of start pins.
    #
    set startList {}
    $db foreach pin $startModuleInst pin {
        switch -- [$db directionOf $pin] {
            "inout"  -
            "output" {lappend startList $pin}
        }
    }

    set res [$db cone -ignoreDir -startList $startList \
                                 -targetObj $targetModuleInst]

    ##
    # Show the results.
    #
    gui cone load $res
    gui window show Cone
}