Added PDN generation script and updated protobuf generation scripts

Signed-off-by: sakundu <sakundu@ucsd.edu>

.gitignore

 Flows/*/*/run/*/
 Flows/*/*/run-*
 Flows/job
+Flows/util/__pycache__
 CodeElements/*/*/__pycache__

CodeElements/Gridding/src/gridding.py

@@ -49,7 +49,7 @@ def PlaceMacros(macro_map, grid_list, chip_width, chip_height, n):
     # Place macro one by one
     for key, value in macro_map.items():
         width = value[0]
-        height = value[0]
+        height = value[1]
         macro_id = key
         placed_flag = False
         for grid in grid_list:

Enablements/NanGate45/util/pdn_config.tcl

+#################################################################
+# This is the config file for power grid generation. Variables in
+# this files are used by pdn_flow.tcl available in the Flows/util
+# directory.
+#################################################################
+# minCh:    If channel width is less than minCh it will be filled 
+#           with hard blockages.
+# layers:   Name of the layers.
+# width:    Width of the layer.
+# pitch:    Distance b/w two vdd/vss set.
+# spacing:  Spacing b/w the stripe of vdd and vss.
+# ldir:     Layer direction. 0 is horizontal and 1 is vertical.
+# isMacro:  If layer stripe is only above macro.
+# isBM:     If layer is below the top layer of macro.
+# isAM:     If layer is above the top layer of macro.
+# isFP:     If layer is for follow pin.
+# soffset:  Start offset of the stripe.
+# addch:    Any requierment to add extra layer in the macro
+#           channel.
+#################################################################
+
+set minCh 5
+set layers  "metal1 metal4  metal5  metal6  metal7  metal10"
+set width   "0      0.84    0.84    0.84    2.4     3.20"
+set pitch   "0      20.16   10.08   10.08   40      32"
+set spacing "0      0.56    0.56    0.56    1.6     1.6"
+set ldir    "0      1       0       1       0       1"
+set isMacro "0      0       1       1       0       0"
+set isBM    "1      1       0       0       0       0"
+set isAM    "0      0       1       1       1       1"
+set isFP    "1      0       0       0       0       0"
+set soffset "0      2       2       2       2       2"
+set addch   "0      1       0       0       0       0"

Flows/util/gen_pb.tcl

@@ -73,13 +73,13 @@ proc print_net { net_ptr fp } {
   
   ### Print Macro Pins ###
   foreach macro_pin [dbget [dbget [dbget ${net_ptr}.instTerms.isInput 1 -p \
-                    ].inst.isHaloBlock 1 -p2 ].name -e] {
+                    ].inst.cell.subClass block -p3 ].name -e] {
     puts $fp "  input: \"${macro_pin}\""
   }
   
   ### Print Stdcells ###
   foreach inst [dbget [dbget [dbget ${net_ptr}.instTerms.isInput 1 -p \
-                    ].inst.isHaloBlock 0 -p ].name -e] {
+                    ].inst.cell.subClass core -p2 ].name -e] {
     puts $fp "  input: \"${inst}\""
   }
 }
@@ -270,14 +270,14 @@ proc gen_pb_netlist { } {
     write_node_port $port_ptr $fp
   }
 
-  foreach macro_ptr [dbget top.insts.isHaloBlock 1 -p] {
+  foreach macro_ptr [dbget top.insts.cell.subClass block -p2] {
     write_node_macro $macro_ptr $fp
     foreach macro_pin_ptr [dbget ${macro_ptr}.instTerms] {
       write_node_macro_pin $macro_pin_ptr $fp
     }
   }
 
-  foreach inst_ptr [dbget top.insts.isHaloBlock 0 -p] {
+  foreach inst_ptr [dbget top.insts.cell.subClass core -p2] {
     write_node_stdcell $inst_ptr $fp
   }
 

Flows/util/pdn_flow.tcl

+#################################################################
+# minCh:    If channel width is less than minCh it will be filled 
+#           with hard blockages.
+# layers:   Name of the layers.
+# width:    Width of the layer.
+# pitch:    Distance b/w two vdd/vss set.
+# spacing:  Spacing b/w the stripe of vdd and vss.
+# ldir:     Layer direction. 0 is horizontal and 1 is vertical.
+# isMacro:  If layer stripe is only above macro.
+# isBM:     If layer is below the top layer of macro.
+# isAM:     If layer is above the top layer of macro.
+# isFP:     If layer is for follow pin.
+# soffset:  Start offset of the stripe.
+# addch:    Any requierment to add extra layer in the macro
+#           channel.
+#################################################################
+
+set nets [list VDD VSS]
+#### Un Place Global Placed cells and cut Row ####
+dbset [dbget top.insts.isHaloBlock 0 -p ].pStatus unplaced
+finishFloorplan -fillPlaceBlockage hard $minCh
+cutRow
+finishFloorplan -fillPlaceBlockage hard $minCh 
+###################################################
+
+############### Global Net Creation ###############
+clearGlobalNets
+globalNetConnect VDD -type pgpin -pin VDD -inst *   -override
+globalNetConnect VSS -type pgpin -pin VSS -inst *   -override
+
+# globalNetConnect VDD -type pgpin -pin VDDCE -inst *   -override
+# globalNetConnect VDD -type pgpin -pin VDDPE -inst *   -override
+# globalNetConnect VSS -type pgpin -pin VSSE -inst *   -override
+# 
+# globalNetConnect VDD -type pgpin -pin VNW -inst *   -override
+# globalNetConnect VSS -type pgpin -pin VPW -inst *   -override
+
+globalNetConnect VDD -type tiehi -all  -override
+globalNetConnect VSS -type tielo -all  -override
+####################################################
+
+
+setGenerateViaMode -auto true
+generateVias
+editDelete -type Special -net $nets 
+setViaGenMode -ignore_DRC false
+setViaGenMode -optimize_cross_via true
+setViaGenMode -allow_wire_shape_change false
+setViaGenMode -extend_out_wire_end false
+setViaGenMode -viarule_preference generated
+
+sroute
+
+setAddStripeMode -orthogonal_only true -ignore_DRC false
+setAddStripeMode -over_row_extension true
+
+set prevLayer [lindex $layers 0]
+set prevbl ""
+set i 1
+set lcount [llength $layers]
+set flag1 0
+
+while { $i < $lcount } {
+    set lname [lindex $layers $i]
+    set isfp [lindex $isFP $i]
+    set dir "vertical"
+    
+    if { [lindex $ldir $i] == 0 } {
+        set dir "horizontal"
+    }
+
+    if { $isfp == 1 } {
+        puts "Add follow pin creation script"
+    } else {
+        set isbm [lindex $isBM $i]
+        set ism [lindex $isMacro $i]
+        set isam [lindex $isAM $i]
+        set spc [lindex $spacing $i]
+        set wdth [lindex $width $i]
+        set ptch [lindex $pitch $i]
+        set sofst [lindex $soffset $i]
+        set isch [lindex $addch $i]
+
+        setAddStripeMode -stacked_via_bottom_layer $prevLayer -stacked_via_top_layer $lname
+        setAddStripeMode -inside_cell_only false
+        setAddStripeMode -route_over_rows_only false
+        setAddStripeMode -extend_to_closest_target area_boundary
+        if { $isbm == 1 } {
+            set prevbl $lname
+            setAddStripeMode -route_over_rows_only true
+            addStripe -layer $lname -direction $dir -nets $nets -width $wdth -spacing $spc \
+                -start_offset $sofst -set_to_set_distance $ptch
+            if { $isch == 1 } { 
+                setAddStripeMode -extend_to_closest_target same_dir_stripe
+                addStripe -layer $lname -direction $dir -nets $nets -width $wdth -spacing $spc \
+                    -start_offset $sofst -set_to_set_distance $ptch -narrow_channel 1
+            }
+        } elseif { $ism == 1 } {
+            setAddStripeMode -extend_to_closest_target none 
+            setAddStripeMode -inside_cell_only true
+            foreach mcell [dbget [dbget top.insts.isHaloBlock 1 -p ].cell.name -u] {
+                addStripe -layer $lname -direction $dir -nets $nets -width $wdth -spacing $spc \
+                    -start_offset $sofst -set_to_set_distance $ptch -master $mcell
+            }
+            foreach inst [dbget [dbget top.insts.isHaloBlock 1 -p ].name ] {
+                createRouteBlk -inst $inst -cover -layer $prevLayer -name mcro_blk
+            }
+        } elseif { $isam == 1 } {
+            if { $flag1 == 0 } {
+                set flag1 1
+                set prevLayer $prevbl
+                setAddStripeMode -stacked_via_bottom_layer $prevLayer -stacked_via_top_layer $lname
+            }
+            addStripe -layer $lname -direction $dir -nets $nets -width $wdth -spacing $spc \
+                -start_offset $sofst -set_to_set_distance $ptch
+            if { $isch == 1 } {
+                setAddStripeMode -extend_to_closest_target same_dir_stripe 
+                addStripe -layer $lname -direction $dir -nets $nets -width $wdth -spacing $spc \
+                    -start_offset $sofst -set_to_set_distance $ptch -narrow_channel 1
+            }
+        } else {
+            puts "Layer:$lname is not routed"
+        }
+        set prevLayer $lname
+        set i [expr $i + 1]
+    }
+}
+deleteRouteBlk -name mcro_blk
+verify_connectivity -net $nets -geom_connect -no_antenna -error 0
+
+# placeDesign -concurrent_macro changes the default placement 
+# settings
+#setPlaceMode -place_opt_run_global_place full

Flows/util/run_grp_main.sh

 #!/usr/bin/env bash
 if [ $PHY_SYNTH -eq 1 ]; then
     export PROJ_DIR=`pwd | grep -o '\S*/MacroPlacement'`
-    export BLOCK_NAME=`echo $PWD | awk -F'/' '{print $(NF-2)}'`
+    export NETLIST_FILE=`readlink -f *.pb.txt`
+    export BLOCK_NAME=`basename ${NETLIST_FILE} | sed 's@.pb.txt@@'`
     export TECH=`echo $PWD | awk -F'/' '{print $(NF-3)}'`
     export OUTPUT_DIR="./output_${BLOCK_NAME}_${TECH}"
-    export NETLIST_FILE=`readlink -f *.pb.txt`
     export HMETIS_DIR="${PROJ_DIR}/../../../GB/CT/hmetis-1.5-linux"
     export PLC_WRAPPER_MAIN="${PROJ_DIR}/../../../GB/CT/plc_wrapper_main"
     export CT_PATH="${PROJ_DIR}/../../../GB/CT/circuit_training"