File size: 5,520 Bytes
23d354c | 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 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | # Test pattern matching edge cases and string utility coverage.
# Targets PatternMatch/Debug/Stats/StringUtil/Transition paths.
source ../../test/helpers.tcl
#---------------------------------------------------------------
# PatternMatch.cc coverage via get_cells/get_pins wildcards
#---------------------------------------------------------------
read_liberty ../../test/nangate45/Nangate45_typ.lib
read_verilog ../../dcalc/test/dcalc_test1.v
link_design dcalc_test1
create_clock -name clk -period 10 [get_ports clk]
set_input_delay -clock clk 0 [get_ports in1]
set_output_delay -clock clk 0 [get_ports out1]
# Wildcard pattern matching: '*' at end
puts "--- get_cells with wildcard * ---"
set cells_star [get_cells buf*]
puts "buf* cells: [llength $cells_star]"
# Wildcard: '?' single char
puts "--- get_cells with ? wildcard ---"
set cells_q [get_cells buf?]
puts "buf? cells: [llength $cells_q]"
# Wildcard: exact match (no wildcards)
puts "--- get_cells exact match ---"
set cells_exact [get_cells buf1]
puts "buf1 cells: [llength $cells_exact]"
# Wildcard: '*' matching everything
puts "--- get_cells * ---"
set cells_all [get_cells *]
puts "* cells: [llength $cells_all]"
# get_pins with wildcards
puts "--- get_pins with wildcards ---"
set pins_star [get_pins buf1/*]
puts "buf1/* pins: [llength $pins_star]"
set pins_q [get_pins buf1/?]
puts "buf1/? pins: [llength $pins_q]"
set pins_all [get_pins */*]
puts "*/* pins: [llength $pins_all]"
# get_ports with wildcards
puts "--- get_ports with wildcards ---"
set ports_star [get_ports *1]
puts "*1 ports: [llength $ports_star]"
set ports_all [get_ports *]
puts "* ports: [llength $ports_all]"
# get_nets with wildcards
puts "--- get_nets with wildcards ---"
set nets_star [get_nets n*]
puts "n* nets: [llength $nets_star]"
# Pattern that matches nothing
puts "--- non-matching patterns ---"
set no_cells [get_cells -quiet zzz_nonexistent]
puts "get_cells nonexistent count: [llength $no_cells]"
if {[llength $no_cells] != 0} {
error "expected no matches for nonexistent cell wildcard"
}
set no_pins [get_pins -quiet zzz_nonexistent/*]
puts "get_pins nonexistent count: [llength $no_pins]"
if {[llength $no_pins] != 0} {
error "expected no matches for nonexistent pin wildcard"
}
#---------------------------------------------------------------
# get_lib_cells with wildcards (exercises PatternMatch::match)
#---------------------------------------------------------------
puts "--- get_lib_cells with wildcards ---"
set lc1 [get_lib_cells NangateOpenCellLibrary/BUF*]
puts "BUF* lib_cells: [llength $lc1]"
set lc2 [get_lib_cells NangateOpenCellLibrary/DFF_X?]
puts "DFF_X? lib_cells: [llength $lc2]"
set lc3 [get_lib_cells NangateOpenCellLibrary/*]
puts "* lib_cells: [llength $lc3]"
#---------------------------------------------------------------
# Debug.cc coverage: set_debug with various levels, stats
#---------------------------------------------------------------
puts "--- set_debug with level > 0 ---"
sta::set_debug "search" 3
sta::set_debug "graph" 2
sta::set_debug "delay_calc" 1
# Trigger debug check path by running timing with debug on
report_checks
# Turn off debug levels
sta::set_debug "search" 0
sta::set_debug "graph" 0
sta::set_debug "delay_calc" 0
#---------------------------------------------------------------
# File path handling sanity checks
#---------------------------------------------------------------
puts "--- file path sanity ---"
if {[file exists "/nonexistent_dir/no_write.sdf"]} {
error "unexpected existing path /nonexistent_dir/no_write.sdf"
}
if {[file exists "/proc/nonexistent_log"]} {
error "unexpected existing path /proc/nonexistent_log"
}
#---------------------------------------------------------------
# Transition.cc coverage: rise/fall operations
#---------------------------------------------------------------
puts "--- report_checks with rise/fall fields ---"
set_input_transition 0.1 [get_ports in1]
set_input_transition 0.2 [get_ports in1] -rise
set_input_transition 0.15 [get_ports in1] -fall
report_checks -fields {slew cap}
report_checks -path_delay min -fields {slew cap input_pins}
report_checks -path_delay max -fields {slew cap input_pins}
#---------------------------------------------------------------
# RiseFallMinMax / RiseFallValues coverage
#---------------------------------------------------------------
puts "--- set_load rise/fall ---"
set_load -min 0.05 [get_ports out1]
set_load -max 0.1 [get_ports out1]
report_checks
set_load -rise -min 0.02 [get_ports out1]
set_load -fall -min 0.03 [get_ports out1]
set_load -rise -max 0.08 [get_ports out1]
set_load -fall -max 0.09 [get_ports out1]
report_checks
set_load 0 [get_ports out1]
#---------------------------------------------------------------
# with_output_to_variable with nested calls
#---------------------------------------------------------------
puts "--- with_output_to_variable nesting ---"
with_output_to_variable v1 {
report_checks
}
puts "v1 captured [string length $v1] chars"
with_output_to_variable v2 {
report_checks -path_delay min
report_checks -path_delay max
}
puts "v2 captured [string length $v2] chars"
#---------------------------------------------------------------
# Redirect string with content
#---------------------------------------------------------------
puts "--- redirect_string with reports ---"
sta::redirect_string_begin
report_checks -fields {slew cap input_pins}
set rstr [sta::redirect_string_end]
puts "redirect string: [string length $rstr] chars"
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