Can I define modgen trunk routing topologies and generate routing from topologies using skill?

Hi All,

I use modgen in layout I am having standard pattern for all devices So I am planning to write a skill script to do placement and routing of it automatically. Here is what I wrote by following documents but couldn't able to generate proper trunk and twig topologies topologies. Please help me if you have any idea of it.

trunkLayer = list("METAL1" "METAL2")

techFile = techGetTechFile( cv )

trunkWidth = 0.26

sbox = gpeEditSandbox( leGetEditFigGroup())

numRows = sbox~>grid->rowCount
numCols = sbox~>grid->colCount

channelTrunkConstraints = list('("validLayers" nil
("METAL2")
)
'("minWidth"
'("METAL2") 0.29
)
)

deviceTrunkConstraints = list(

list("minWidth" list("METAL2") trunkWidth)

list("validLayers" nil list("METAL2"))

)

gateTwigConstraints =
list('("validLayers" nil
'("METAL1")
)
'("minWidth"
'("METAL1") 0.2
)
'("minNumCuts"
'("METAL1") 2
)
)

sourceDrainTwigConstraints =
list('("validLayers" nil
'("METAL1")
)
'("minWidth"
'("METAL1") 0.2
)
'("minNumCuts"
'("METAL1") 2
)
)

iterm = gpeCreateInstTermEntries(?deviceNames deviceNames ?instTermNames list("G" "D"))
sourceDrainTwigTemplate = gpeCreateTwigEntries(?instTermEntries list(iterm)
?constraints sourceDrainTwigConstraints)

itermG = gpeCreateInstTermEntries(?deviceNames deviceNames ?instTermNames list("G"))
gateTwigTemplate = gpeCreateTwigEntries(?instTermEntries list(itermG)
?constraints gateTwigConstraints)

channelTrunks = gpeCreateTrunkEntries( ?netNames list("Gate") ?offset trunkWidth*2 ?constraints channelTrunkConstraints )
channelWidth = gpeGetChannelWidthEntry(sandbox 1 "horizontal")

for(rowNum 1 numRows-1
cw=gpeCreateChannelWidthEntry(?width 0.3 ?reference list("METAL2" "drawing"))
gpeSetChannelWidthEntry(sandbox 2 "horizontal" cw)
;gpeSetChannelWidth(rowNum channelWidth)

deviceNames = gpeGetGridEntries(sbox ?row list(rowNum-1 rowNum))~>name
iterm = gpeCreateInstTermEntries(?deviceNames deviceNames ?instTermNames list("S" "D"))
sourceDrainTwigs = gpeCreateTwigEntries(?instTermEntries list(iterm) ?template sourceDrainTwigTemplate)

itermG = gpeCreateInstTermEntries(?deviceNames deviceNames ?instTermNames list("G"))
gateTwigs = gpeCreateTwigEntries(?instTermEntries list(itermG)
?constraints gateTwigConstraints)

;gpeAddTwigEntries(car(channelTrunks) list( channelGateTwigs sourceDrainGateTwigs) )

channelTrunkChain =gpeCreateTrunkChain(?trunks trunks ?anchorIndex 0 ?trunkDirection "horizontal"
?offsetDirection "positive" ?anchorPoint "topRight" ?anchorReference "METAL2")
;channelTrunkChain = gpeCreateTrunkChain( ?index rowNum ?trunks channelTrunks ?anchorSide "top" ?anchorDirection "up" )

gpeAddTrunkChains(sbox list(channelTrunkChain ))

; gpeClearTwigEntries(car(channelTrunks))

)

;gateStraps = gpeCreateStraps( ?netNames list("Gate") ?instTermNames list("G") ?directions ;list("Horizontal") )

;gpeAddStraps( sbox gateStraps )

for(rowNum 0 numRows-1

deviceNames = gpeGetGridEntries(sbox ?row list(rowNum))~>name
cw=gpeCreateChannelWidthEntry(?width 0.3 ?reference list("METAL1" "drawing"))
gpeSetChannelWidthEntry(sandbox 2 "horizontal" cw)
;gpeSetChannelWidth(rowNum channelWidth)

deviceNames = gpeGetGridEntries(sbox ?row list(rowNum-1 rowNum))~>name
iterm = gpeCreateInstTermEntries(?deviceNames deviceNames ?instTermNames list("S" "D"))
deviceTwigs = gpeCreateTwigEntries(?instTermEntries list(iterm) ?constraints sourceDrainTwigConstraints)

deviceTrunkTemplate = gpeCreateTrunkEntries( ?twigs list(deviceTwigs)
?constraints channelTrunkConstraints )

drainTrunks = gpeCreateTrunkEntries(?netNames list("D1" "D2")
?template deviceTrunkTemplate )

bottomTrunkChain = gpeCreateTrunkChain(?anchorIndex rowNum ?trunks drainTrunks
)

gpeAddTrunkChains( sbox list(bottomTrunkChain ))
sourceTrunk = gpeCreateTrunkEntries( ?netNames list("Source")
?template deviceTrunkTemplate)

topTrunkChain = gpeCreateTrunkChain(?anchorIndex rowNum ?trunks sourceTrunk )

gpeAddTrunkChains( sbox list( topTrunkChain ))

; foreach( trunk append(sourceTrunk drainTrunks)

; gpeClearTwigEntries( trunk ) )

)

;k=gpeSetRouter(sbox "pinToTrunk")

;;;

My sandbox  output

sbox~>??
((map
((nil type "dummy" schName ""
symbol "*" availableInsts nil placedCount
0 totalCount 0
)
)
)
(grid
(nil entries
((nil col 6 row 4
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 5 row 4
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 4 row 4
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 3 row 4
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 2 row 4
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 1 row 4
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 0 row 4
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM0" inst
db:0xc0f0239c
)
(nil col 6 row 3
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 5 row 3
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 4 row 3
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 3 row 3
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM1.4" inst
db:0xc0f0239d
)
(nil col 2 row 3
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM1.3" inst
db:0xc0f0239e
)
(nil col 1 row 3
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM1.2" inst
db:0xc0f0239f
)
(nil col 0 row 3
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM1.1" inst
db:0xc0f023a0
)
(nil col 6 row 2
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 5 row 2
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 4 row 2
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.16" inst
db:0xc0f023a1
)
(nil col 3 row 2
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.15" inst
db:0xc0f023a2
)
(nil col 2 row 2
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.14" inst
db:0xc0f023a8
)
(nil col 1 row 2
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.13" inst
db:0xc0f023a7
)
(nil col 0 row 2
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 6 row 1
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.12" inst
db:0xc0f023a6
)
(nil col 5 row 1
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.11" inst
db:0xc0f023a5
)
(nil col 4 row 1
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.10" inst
db:0xc0f023a4
)
(nil col 3 row 1
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.9" inst
db:0xc0f023a3
)
(nil col 2 row 1
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.8" inst
db:0xc0f0239a
)
(nil col 1 row 1
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.7" inst
db:0xc0f023ad
)
(nil col 0 row 1
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
(nil col 6 row 0
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.6" inst
db:0xc0f023ac
)
(nil col 5 row 0
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.5" inst
db:0xc0f023ab
)
(nil col 4 row 0
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.4" inst
db:0xc0f023aa
)
(nil col 3 row 0
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.3" inst
db:0xc0f023ae
)
(nil col 2 row 0
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.2" inst
db:0xc0f023af
)
(nil col 1 row 0
vAlign
(nil type "top") hAlign
(nil type "left") dummyConfig
(nil lcv "tsmc013/nch_tgo5_mac/layout" src_index
(0 0)
type "neighbor"
) type "dummy" orient "R0"
symbol "*" name "NM2.1" inst
db:0xc0f023b0
)
(nil col 0 row 0
type "inst" orient "R0" symbol
"" name "" inst db:0x00000000
)
) colCount 7
rowCount 5
)
)
(abut nil)
(id 144)
(figGroup db:0xc0f0681a)
(cellView db:0x2c10cc9a)
(topo
(nil router "none" trunkChains
((nil trunks
((nil netName "net011" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
(nil netName "vss" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
) anchorIndex 0
trunkDirection "horizontal" offsetDirection "positive" anchorPoint
"topRight" anchorReference "METAL2"
)
(nil trunks
((nil netName "net011" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
(nil netName "vss" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
) anchorIndex 0
trunkDirection "horizontal" offsetDirection "positive" anchorPoint
"topRight" anchorReference "METAL2"
)
(nil trunks
((nil netName "net011" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
(nil netName "vss" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
) anchorIndex 0
trunkDirection "horizontal" offsetDirection "positive" anchorPoint
"topRight" anchorReference "METAL2"
)
(nil trunks
((nil netName "net011" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
(nil netName "vss" offset 0.4
longOffsetSource1 "twigExtents" longOffset1 0.2 longOffsetSource2
"instanceExtents" longOffset2 0.3 constraints
(("minWidth" nil 0.0))
)
) anchorIndex 0
trunkDirection "horizontal" offsetDirection "positive" anchorPoint
"topRight" anchorReference "METAL2"
)
(nil trunks
((nil netName "D1" offset 0.0
constraints
(("minWidth" nil 0.0))
)
(nil netName "D2" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 0
)
(nil trunks
((nil netName "Source" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 0
)
(nil trunks
((nil netName "D1" offset 0.0
constraints
(("minWidth" nil 0.0))
)
(nil netName "D2" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 1
)
(nil trunks
((nil netName "Source" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 1
)
(nil trunks
((nil netName "D1" offset 0.0
constraints
(("minWidth" nil 0.0))
)
(nil netName "D2" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 2
)
(nil trunks
((nil netName "Source" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 2
)
(nil trunks
((nil netName "D1" offset 0.0
constraints
(("minWidth" nil 0.0))
)
(nil netName "D2" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 3
)
(nil trunks
((nil netName "Source" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 3
)
(nil trunks
((nil netName "D1" offset 0.0
constraints
(("minWidth" nil 0.0))
)
(nil netName "D2" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 4
)
(nil trunks
((nil netName "Source" offset 0.0
constraints
(("minWidth" nil 0.0))
)
) anchorIndex 4
)
)
)
)
)