pdn: add warnings about ignored instances and cells

Signed-off-by: Peter Gadfort <[email protected]>

Author: gadfort

src/pdn/src/pdn.tcl

@@ -1025,6 +1025,8 @@ proc define_pdn_grid_macro { args } {
       }
       foreach inst $sub_insts {
         if { ![$inst isFixed] } {
+          utl::warn PDN 1050 \
+            "Ignoring non-fixed instance for grid (${keys(-name)}): [$inst getName]"
           continue
         }
         lappend insts $inst
@@ -1059,6 +1061,9 @@ proc define_pdn_grid_macro { args } {
       foreach cell $sub_cells {
         # only add blocks
         if { ![$cell isBlock] } {
+          if { !$default_grid } {
+            utl::warn PDN 1041 "Ignoring non-block cell for grid (${keys(-name)}): [$cell getName]"
+          }
           continue
         }
         lappend cells $cell

src/pdn/test/asap7_failed_macro_grid.tcl

@@ -18,7 +18,7 @@ add_pdn_connect -grid {top} -layers {M2 M5}
 add_pdn_connect -grid {top} -layers {M5 M6}
 
 define_pdn_grid -name {CORE_macro_grid_1} -voltage_domains {CORE} -macro \
-  -orient {R0 R180 MX MY} -cells {.*}
+  -orient {R0 R180 MX MY} -cells {fake.*}
 add_pdn_connect -grid {CORE_macro_grid_1} -layers {M4 M5}
 
 catch { pdngen } err

src/pdn/test/macros_cells_via_failure.tcl

@@ -34,7 +34,7 @@ add_pdn_connect -grid {grid} -layers {metal4 metal7}
 # grid for: CORE_macro_grid_1
 ####################################
 define_pdn_grid -name {CORE_macro_grid_1} -voltage_domains {CORE} -macro \
-  -orient {R0 R180 MX MY} -halo {2.0 2.0 2.0 2.0} -cells {.*}
+  -orient {R0 R180 MX MY} -halo {2.0 2.0 2.0 2.0} -cells {fake.*}
 add_pdn_stripe -grid {CORE_macro_grid_1} -layer {metal5} -width {0.93} -pitch {10.0} -offset {2}
 add_pdn_stripe -grid {CORE_macro_grid_1} -layer {metal6} -width {0.93} -pitch {10.0} -offset {2}
 add_pdn_connect -grid {CORE_macro_grid_1} -layers {metal4 metal5}
@@ -44,7 +44,7 @@ add_pdn_connect -grid {CORE_macro_grid_1} -layers {metal6 metal7}
 # grid for: CORE_macro_grid_2
 ####################################
 define_pdn_grid -name {CORE_macro_grid_2} -voltage_domains {CORE} -macro \
-  -orient {R90 R270 MXR90 MYR90} -halo {2.0 2.0 2.0 2.0} -cells {.*}
+  -orient {R90 R270 MXR90 MYR90} -halo {2.0 2.0 2.0 2.0} -cells {fake.*}
 add_pdn_stripe -grid {CORE_macro_grid_2} -layer {metal6} -width {0.93} -pitch {40.0} -offset {2}
 add_pdn_connect -grid {CORE_macro_grid_2} -layers {metal4 metal6}
 add_pdn_connect -grid {CORE_macro_grid_2} -layers {metal6 metal7}

src/pdn/test/macros_grid_check.ok

@@ -6,6 +6,7 @@
 [INFO ODB-0132]     Created 2 special nets and 1094 connections.
 [INFO ODB-0133]     Created 269 nets and 0 connections.
 [WARNING PDN-1031] Unable to find cells: fakeram45_64x55
+[WARNING PDN-1050] Ignoring non-fixed instance for grid (sram): dcache.data.data_arrays_0.data_arrays_0_ext.mem_10
 Voltage domain: Core
   Power net: VDD
   Ground net: VSS

src/pdn/test/macros_grid_check.tcl

@@ -8,9 +8,9 @@ read_def nangate_macros/floorplan.def
 
 # Create an instance with the same prefix as the macro
 odb::dbInst_create \
-    [ord::get_db_block] \
-    [[ord::get_db] findMaster FILLCELL_X1] \
-    {dcache.data.data_arrays_0.data_arrays_0_ext.mem_10}
+  [ord::get_db_block] \
+  [[ord::get_db] findMaster FILLCELL_X1] \
+  {dcache.data.data_arrays_0.data_arrays_0_ext.mem_10}
 
 add_global_connection -net VDD -pin_pattern {^VDD$} -power
 add_global_connection -net VDD -pin_pattern {^VDDPE$}

src/pdn/test/names.ok

@@ -14,4 +14,6 @@
 PDN-0184
 [ERROR PDN-1043] Grid named "Core" already defined.
 PDN-1043
+[WARNING PDN-1050] Ignoring non-fixed instance for grid (Inst): cmp1
+[WARNING PDN-1050] Ignoring non-fixed instance for grid (Inst): cmp1
 PDN-1043