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Fix: torture test script passes correct lenght and width for devices,…
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… according to the device type. Added function to extract drc errors into a txt file.
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@Landflier
Landflier committed Aug 7, 2023
1 parent f138c84 commit f1f695d
Showing 1 changed file with 101 additions and 15 deletions.
116 changes: 101 additions & 15 deletions sky130/custom/scripts/sky130_make_torture.tcl
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@
# (Specifically for EFS8B)
# (work in progress)
#---------------------------------------

## 2 torture
# 1 with invalid params, to show up in drc
#
namespace path {::tcl::mathop ::tcl::mathfunc}

# Set random seed so that torture test is not random from run to run.
Expand All @@ -17,11 +19,15 @@ proc mos_array {n devname startx starty {deltax 12700} {deltay 254}} {
set i 0
for {set x 0} {$x < $n} {incr x} {
for {set y 0} {$y < $n} {incr y} {

set r [int [* [rand] 20]]
set w [+ 0.22 [* 0.5 $r]]

set device_defaults [dict create {*}[sky130::${devname}_defaults]]
set lmin [dict get $device_defaults lmin]
set wmin [dict get $device_defaults wmin]

set r [int [* [rand] 20]]
set w [+ $wmin [* 0.5 $r]]
set r [int [* [rand] 20]]
set l [+ 0.18 [* 0.3 $r]]
set l [+ $lmin [* 0.3 $r]]
set m [int [+ 1 [* [rand] 8]]]
set nf [int [+ 1 [* [rand] 8]]]

Expand All @@ -46,6 +52,7 @@ proc mos_array {n devname startx starty {deltax 12700} {deltay 254}} {
w $w l $l m $m nf $nf diffcov $dcov polycov $pcov \
rlcov $rlcov poverlap $pov doverlap $dov topc $tc \
botc $bc full_metal $fm glc $gl grc $gr gbc $gb gtc $gt
extract_drc_errors_to_file ${devname}_$i
select cell ${devname}_$i
set bh [box height]
set bh [+ $bh $deltay]
Expand All @@ -69,10 +76,14 @@ proc sky130_fd_pr__res_array {n devname startx starty {deltax 12700} {deltay 254
for {set x 0} {$x < $n} {incr x} {
for {set y 0} {$y < $n} {incr y} {

set r [int [* [rand] 10]]
set w [+ 0.42 [* 0.5 $r]]
set device_defaults [dict create {*}[sky130::${devname}_defaults]]
set lmin [dict get $device_defaults lmin]
set wmin [dict get $device_defaults wmin]

set r [int [* [rand] 10]]
set w [+ $wmin [* 0.5 $r]]
set r [int [* [rand] 50]]
set l [+ 2.10 [* 2.0 $r]]
set l [+ $lmin [* 2.0 $r]]
set m [int [+ 1 [* [rand] 2]]]
set nx [int [+ 1 [* [rand] 10]]]

Expand All @@ -98,6 +109,7 @@ proc sky130_fd_pr__res_array {n devname startx starty {deltax 12700} {deltay 254
w $w l $l m $m nx $nx endcov $ecov roverlap $rov \
snake $sn full_metal $fm glc $gl grc $gr gbc $gb gtc $gt
}
extract_drc_errors_to_file ${devname}_$i
select cell ${devname}_$i
set bh [box height]
set bh [+ $bh $deltay]
Expand All @@ -121,10 +133,14 @@ proc diode_array {n devname startx starty} {
for {set x 0} {$x < $n} {incr x} {
for {set y 0} {$y < $n} {incr y} {

set device_defaults [dict create {*}[sky130::${devname}_defaults]]
set lmin [dict get $device_defaults lmin]
set wmin [dict get $device_defaults wmin]

set r [int [* [rand] 10]]
set w [+ $wmin [* 0.5 $r]]
set r [int [* [rand] 10]]
set w [+ 0.42 [* 0.5 $r]]
set r [int [* [rand] 10]]
set l [+ 0.42 [* 0.5 $r]]
set l [+ $lmin [* 0.5 $r]]
set nx [int [+ 1 [* [rand] 4]]]
set ny [int [+ 1 [* [rand] 4]]]

Expand All @@ -143,6 +159,7 @@ proc diode_array {n devname startx starty} {
w $w l $l nx $nx ny $ny doverlap $dov \
full_metal $fm elc $el erc $er etc $et \
ebc $eb glc $gl grc $gr gbc $gb gtc $gt
extract_drc_errors_to_file ${devname}_$i
select cell ${devname}_$i
set bh [box height]
set bh [+ $bh 254]
Expand All @@ -157,6 +174,7 @@ proc diode_array {n devname startx starty} {
resumeall
}


# NxN array cap devices

proc cap_array {n devname startx starty {deltax 12700} {deltay 160}} {
Expand All @@ -166,10 +184,14 @@ proc cap_array {n devname startx starty {deltax 12700} {deltay 160}} {
for {set x 0} {$x < $n} {incr x} {
for {set y 0} {$y < $n} {incr y} {

set device_defaults [dict create {*}[sky130::${devname}_defaults]]
set lmin [dict get $device_defaults lmin]
set wmin [dict get $device_defaults wmin]

set r [int [* [rand] 10]]
set w [+ $wmin [* 1.0 $r]]
set r [int [* [rand] 10]]
set w [+ 2.00 [* 1.0 $r]]
set r [int [* [rand] 10]]
set l [+ 2.00 [* 1.0 $r]]
set l [+ $lmin [* 1.0 $r]]
set nx [int [+ 1 [* [rand] 4]]]
set ny [int [+ 1 [* [rand] 4]]]

Expand All @@ -178,6 +200,7 @@ proc cap_array {n devname startx starty {deltax 12700} {deltay 160}} {

magic::gencell sky130::${devname} ${devname}_$i \
w $w l $l nx $nx ny $ny bconnect $bc tconnect $tc
extract_drc_errors_to_file ${devname}_$i
select cell ${devname}_$i
set bh [box height]
set bh [+ $bh $deltay]
Expand Down Expand Up @@ -213,6 +236,7 @@ proc fixed_array {n devname startx starty} {

magic::gencell sky130::${devname} ${devname}_$i \
nx $nx ny $ny deltax $deltax deltay $deltay
extract_drc_errors_to_file ${devname}_$i
select cell ${devname}_$i
set bh [box height]
set bh [* $bh [+ $ny 1]]
Expand All @@ -227,6 +251,63 @@ proc fixed_array {n devname startx starty} {
resumeall
}

proc extract_drc_errors_to_file {cell_name
{drc_errors_filename "drc_errors_list.txt"}} {

# go down to cell level
select cell $cell_name
magic::pushstack

# extract the device properties, and store them in a
# dictionary
set device_c [dict create {*}[property parameters]]
set device_l [dict get $device_c l]
set device_w [dict get $device_c w]

# select the cell in the lower hierarchy
select

# find drc errors in the entire cell, and output
# them to the errors file
set drcdict [dict create {*}[drc listall why]]

# if there are any errors, output them to file
if {[dict size $drcdict] > 0} {
set drc_file [open $drc_errors_filename a]
set name_extracted [exec echo $cell_name | sed {s/_[^_]*$//}]
# puts $drc_file "cellname extracted: $name_extracted"
puts $drc_file "device: $cell_name"
dict for {id value} $drcdict {
puts $drc_file "drc error: $id"
}


# find from the device defaults the lmin and
# wmin, and if the device has been generated
# with wrong parameters from the torture
# test, put them in the file
set device_defaults [dict create {*}[sky130::${name_extracted}_defaults]]

set device_lmin [dict get $device_defaults lmin]
set device_wmin [dict get $device_defaults wmin]

if { $device_l < $device_lmin || $device_w < $device_wmin } {
puts $drc_file "torture test generated wrong parameters"
puts $drc_file "l_min: $device_lmin l: $device_l"
puts $drc_file "w_min: $device_wmin w: $device_w"
}
puts $drc_file "\n"
close $drc_file

# clear selection
select clear

}
# return to top of hierarchy
magic::popstack
select clear
}

snap int
box size 0 0

Expand All @@ -239,6 +320,9 @@ box size 0 0
# res_high_po res_iso_pw res_generic_nd res_generic_nd_hv diode_pd2nw_05v5
# nfet_01v8 diode_pw2nd_05v5
#
# create a drc errors file, or if one exits, delete contents
set file_created [open ./drc_errors_list.txt w]
close $file_created

mos_array 6 sky130_fd_pr__nfet_01v8 0 0
mos_array 6 sky130_fd_pr__pfet_01v8 0 75000
Expand Down Expand Up @@ -272,6 +356,8 @@ mos_array 6 sky130_fd_pr__cap_var_lvt 700000 0 15000 254
mos_array 6 sky130_fd_pr__cap_var 700000 70000 18000 254
mos_array 6 sky130_fd_pr__cap_var_hvt 700000 140000 15000 254


# pnp both exits, and npn rf, first two (in libs.ref/mag/)
fixed_array 2 sky130_fd_pr__rf_npn_1x1 850000 0
fixed_array 2 sky130_fd_pr__rf_npn_1x2 850000 30000
fixed_array 2 sky130_fd_pr__rf_pnp5x 850000 60000
Expand All @@ -298,7 +384,7 @@ fixed_array 2 sky130_fd_pr__cap_vpp_11p5x11p7_l1m1m2m3m4_shieldm5 950000 210000
fixed_array 2 sky130_fd_pr__cap_vpp_11p5x11p7_m1m4_noshield 950000 240000
fixed_array 2 sky130_fd_pr__cap_vpp_22p5x11p7_pol1m1m2m3m4m5_noshield 950000 270000

# fixed_array 1 balun 1000000 0
fixed_array 1 balun 1000000 0
fixed_array 1 sky130_fd_pr__ind_02_04 1000000 200000
fixed_array 1 sky130_fd_pr__ind_11_04 1250000 0

Expand Down

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