psm: rename -resistance -> -external_resistance and fix typos

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

Author: gadfort

src/psm/README.md

@@ -145,7 +145,7 @@ set_pdnsim_source_settings
     [-bump_size size]
     [-bump_interval interval]
     [-strap_track_pitch pitch]
-    [-resistance resistance]
+    [-external_resistance resistance]
 ```
 
 #### Options
@@ -155,8 +155,8 @@ set_pdnsim_source_settings
 | `-bump_dx`,`-bump_dy` | Set the bump pitch to decide the voltage source location. The default bump pitch is 140um. |
 | `-bump_size` | Set the bump size. The default bump size is 70um. |
 | `-bump_interval` | Set the bump population interval, this is used to depopulate the bump grid to emulate signals and other power connections. The default bump pitch is 3. |
-| `-strap_track_pitch` | Sets the track pitck to use for moduling voltage sources as straps. The default is 10x. |
-| `-resistance` | Set to model the resistance of the package or power network outside the chip/block. The default value is 0.0. |
+| `-strap_track_pitch` | Sets the track pitch to use for modeling voltage sources as straps. The default is 10x. |
+| `-external_resistance` | Set to model the resistance of the package or power network outside the chip/block. The default value is 0.0. |
 
 ### Insert Decap Cells
 The `insert_decap` command inserts decap cells in the areas with the highest

src/psm/src/pdnsim.tcl

@@ -228,12 +228,12 @@ sta::define_cmd_args "set_pdnsim_source_settings" {
   [-bump_size size]
   [-bump_interval interval]
   [-strap_track_pitch pitch]
-  [-resistance resistance]
+  [-external_resistance resistance]
 }
 
 proc set_pdnsim_source_settings { args } {
   sta::parse_key_args "set_pdnsim_source_settings" args \
-    keys {-bump_dx -bump_dy -bump_size -bump_interval -strap_track_pitch -resistance} \
+    keys {-bump_dx -bump_dy -bump_size -bump_interval -strap_track_pitch -external_resistance} \
     flags {}
 
   set dx 0
@@ -259,8 +259,8 @@ proc set_pdnsim_source_settings { args } {
   }
 
   set resistance 0
-  if { [info exists keys(-resistance)] } {
-    set resistance $keys(-resistance)
+  if { [info exists keys(-external_resistance)] } {
+    set resistance $keys(-external_resistance)
   }
 
   psm::set_source_settings $dx $dy $size $interval $track_pitch $resistance

src/psm/test/aes_test_bterms_source_resistance.tcl

@@ -5,7 +5,7 @@ read_liberty Nangate45/Nangate45_typ.lib
 read_sdc Nangate45_data/aes.sdc
 
 analyze_power_grid -net VDD
-set_pdnsim_source_settings -resistance 10.0
+set_pdnsim_source_settings -external_resistance 10.0
 analyze_power_grid -net VDD
-set_pdnsim_source_settings -resistance 100.0
+set_pdnsim_source_settings -external_resistance 100.0
 analyze_power_grid -net VDD

src/psm/test/gcd_all_vss_source_res.tcl

@@ -9,5 +9,5 @@ set voltage_file [make_result_file gcd_all_vss-voltage.rpt]
 set em_file [make_result_file gcd_all_vss-em.rpt]
 set spice_file [make_result_file gcd_all_vss-spice.sp]
 
-set_pdnsim_source_settings -resistance 100
+set_pdnsim_source_settings -external_resistance 100
 analyze_power_grid -vsrc Vsrc_gcd_vss.loc -net VSS