diff --git a/scripts/pt_sta.tcl b/scripts/pt_sta.tcl
new file mode 100644
index 00000000..02883db9
--- /dev/null
+++ b/scripts/pt_sta.tcl
@@ -0,0 +1,338 @@
+##PT script
+set link_path "* $::env(PT_LIB_ROOT)/scs130hvl_tt_3.3v_25C.lib \
+$::env(PT_LIB_ROOT)/scs130hvl_tt_3.3v_lowhv_3.3v_lv_1.8v_25C.lib \
+$::env(PT_LIB_ROOT)/s8iom0s8_top_gpiov2_tt_tt_1p80v_x_3p30v_025C.lib \
+$::env(PT_LIB_ROOT)/s8iom0s8_top_ground_hvc_wpad_tt_1.80v_3.30v_3.30v_025C.lib \
+$::env(PT_LIB_ROOT)/s8iom0s8_top_ground_lvc_wpad_tt_1.80v_3.30v_025C.lib \
+$::env(PT_LIB_ROOT)/s8iom0s8_top_power_lvc_wpad_tt_1.80v_3.30v_3.30v_025C.lib \
+$::env(PT_LIB_ROOT)/s8iom0s8_top_xres4v2_tt_tt_1p80v_x_3p30v_025C.lib \
+$::env(PT_LIB_ROOT)/simple_por.lib \
+$::env(PT_LIB_ROOT)/sky130_ef_io__corner_pad.lib \
+$::env(PT_LIB_ROOT)/spare_logic_block.lib \
+$::env(PT_LIB_ROOT)/sky130_sram_2kbyte_1rw1r_32x512_8_TT_1p8V_25C.lib \
+"
+if {$::env(PROC_CORNER) == "t"} {
+  append link_path "$::env(PT_LIB_ROOT)/scs130hd_tt_1.80v_25C.lib"
+} elseif {$::env(PROC_CORNER) == "f"} {
+  append link_path "$::env(PT_LIB_ROOT)/scs130hd_ff_1.95v_-40C.lib"
+} elseif {$::env(PROC_CORNER) == "s"} {
+  append link_path "$::env(PT_LIB_ROOT)/scs130hd_ss_1.40v_100C.lib"
+}
+
+set search_path "$::env(CARAVEL_ROOT)/verilog/gl $::env(MCW_ROOT)/verilog/gl $::env(PT_LIB_ROOT)"
+foreach verilog "[glob $::env(CARAVEL_ROOT)/verilog/gl/*.v] [glob $::env(MCW_ROOT)/verilog/gl/*.v]" {
+  puts "list of .v: $verilog"  
+  read_verilog $verilog
+}
+
+current_design $::env(DESIGN)
+link
+read_sdc $::env(CARAVEL_ROOT)/openlane/$::env(DESIGN)/signoff.sdc
+
+# proc spefs {design rc_corner proc_corner} {
+#   set spef_mapping(rstb_level)                               ./files/from-def/spef/xres_buf-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(padframe)                                 ./files/from-def/spef/chip_io-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(housekeeping)                             ./files/from-def/spef/housekeeping-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(mgmt_buffers)                             ./files/from-def/spef/mgmt_protect-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(pll)                                      ./files/from-def/spef/digital_pll-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(clocking)                                 ./files/from-def/spef/caravel_clocking-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(soc)                                      ./files/from-def/spef/mgmt_core_wrapper-${rc_corner}-${proc_corner}.spef
+
+#   set spef_mapping(mgmt_buffers/powergood_check)             ./files/from-def/spef/mgmt_protect_hv-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(mgmt_buffers/mprj_logic_high_inst)        ./files/from-def/spef/mprj_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(soc/DFFRAM_0)                             ./files/from-def/spef/DFFRAM-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(soc/core)                                 ./files/from-def/spef/mgmt_core-${rc_corner}-${proc_corner}.spef
+
+#   set spef_mapping(\gpio_control_bidir_1[0]/gpio_logic_high) ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_1[1]/gpio_logic_high) ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_2[0]/gpio_logic_high) ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_2[1]/gpio_logic_high) ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_2[2]/gpio_logic_high) ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[0]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[10]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[1]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[2]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[3]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[4]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[5]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[6]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[7]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[8]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[9]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[0]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[1]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[2]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[3]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[4]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[5]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[0]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[10]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[11]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[12]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[13]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[14]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[15]/gpio_logic_high)   ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[1]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[2]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[3]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[4]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[5]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[6]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[7]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[8]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[9]/gpio_logic_high)    ./files/from-def/spef/gpio_logic_high-${rc_corner}-${proc_corner}.spef
+
+#   set spef_mapping(gpio_defaults_block_0)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_1)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_10)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_10)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_11)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_12)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_13)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_14)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_15)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_16)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_17)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_18)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_19)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_2)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_20)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_21)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_22)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_23)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_24)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_25)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_26)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_27)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_28)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_29)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_3)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_30)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_31)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_32)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_33)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_35)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_36)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_37)                   ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_4)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_5)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_6)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_7)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_8)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_block_9)                    ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(gpio_defaults_defaults_block_34)          ./files/from-def/spef/gpio_defaults_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_1[0])                 ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_1[1])                 ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_2[0])                 ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_2[1])                 ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_bidir_2[2])                 ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[0])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[10])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[1])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[2])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[3])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[4])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[5])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[6])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[7])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[8])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1[9])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[0])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[1])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[2])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[3])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[4])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_1a[5])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[0])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[10])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[11])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[12])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[13])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[14])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[15])                   ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[1])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[2])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[3])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[4])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[5])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[6])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[7])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[8])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+#   set spef_mapping(\gpio_control_in_2[9])                    ./files/from-def/spef/gpio_control_block-${rc_corner}-${proc_corner}.spef
+
+#   foreach key [array names spef_mapping] {
+#     read_parasitics -path $key $spef_mapping($key)
+#   }
+# }
+proc read_spefs {design} {
+  set spef_mapping(rstb_level)                               $::env(CARAVEL_ROOT)/spef/xres_buf.spef
+  set spef_mapping(padframe)                                 $::env(CARAVEL_ROOT)/spef/chip_io.spef
+  set spef_mapping(housekeeping)                             $::env(CARAVEL_ROOT)/spef/housekeeping.spef
+  set spef_mapping(mgmt_buffers)                             $::env(CARAVEL_ROOT)/spef/mgmt_protect.spef
+  set spef_mapping(pll)                                      $::env(CARAVEL_ROOT)/spef/digital_pll.spef
+  set spef_mapping(clocking)                                 $::env(CARAVEL_ROOT)/spef/caravel_clocking.spef
+  set spef_mapping(soc)                                      $::env(MCW_ROOT)/spef/mgmt_core_wrapper.spef
+
+  set spef_mapping(mgmt_buffers/powergood_check)             $::env(CARAVEL_ROOT)/spef/mgmt_protect_hv.spef
+  set spef_mapping(mgmt_buffers/mprj_logic_high_inst)        $::env(CARAVEL_ROOT)/spef/mprj_logic_high.spef
+  set spef_mapping(soc/DFFRAM_0)                             $::env(MCW_ROOT)/spef/DFFRAM.spef
+  set spef_mapping(soc/core)                                 $::env(MCW_ROOT)/spef/mgmt_core.spef
+
+  set spef_mapping(\gpio_control_bidir_1[0]/gpio_logic_high) $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_bidir_1[1]/gpio_logic_high) $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_bidir_2[0]/gpio_logic_high) $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_bidir_2[1]/gpio_logic_high) $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_bidir_2[2]/gpio_logic_high) $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[0]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[10]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[1]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[2]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[3]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[4]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[5]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[6]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[7]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[8]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1[9]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1a[0]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1a[1]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1a[2]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1a[3]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1a[4]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_1a[5]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[0]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[10]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[11]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[12]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[13]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[14]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[15]/gpio_logic_high)   $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[1]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[2]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[3]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[4]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[5]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[6]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[7]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[8]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+  set spef_mapping(\gpio_control_in_2[9]/gpio_logic_high)    $::env(CARAVEL_ROOT)/spef/gpio_logic_high.spef
+
+  set spef_mapping(gpio_defaults_block_0)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_1803.spef
+  set spef_mapping(gpio_defaults_block_1)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_1803.spef
+  set spef_mapping(gpio_defaults_block_10)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_10)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_11)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_12)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_13)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_14)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_15)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_16)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_17)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_18)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_19)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_2)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_20)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_21)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_22)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_23)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_24)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_25)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_26)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_27)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_28)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_29)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_3)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block.spef
+  set spef_mapping(gpio_defaults_block_30)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_31)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_32)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_33)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_35)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_36)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_37)                   $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_4)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_5)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_6)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_7)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_8)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(gpio_defaults_block_9)                    $::env(CARAVEL_ROOT)/spef/gpio_defaults_block_0403.spef
+  set spef_mapping(\gpio_control_bidir_1[0])                 $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_bidir_1[1])                 $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_bidir_2[0])                 $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_bidir_2[1])                 $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_bidir_2[2])                 $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[0])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[10])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[1])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[2])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[3])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[4])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[5])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[6])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[7])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[8])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1[9])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1a[0])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1a[1])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1a[2])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1a[3])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1a[4])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_1a[5])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[0])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[10])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[11])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[12])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[13])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[14])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[15])                   $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[1])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[2])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[3])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[4])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[5])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[6])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[7])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[8])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+  set spef_mapping(\gpio_control_in_2[9])                    $::env(CARAVEL_ROOT)/spef/gpio_control_block.spef
+
+  foreach key [array names spef_mapping] {
+    read_parasitics -path $key $spef_mapping($key)
+  }
+  read_parasitics -verbose $::env(CARAVEL_ROOT)/spef/$::env(DESIGN).spef -pin_cap_included
+}
+proc report_results {design rc_corner proc_corner} {
+  report_constraint -all_violators -significant_digits 4 -nosplit > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-all_viol.rpt
+
+  report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
+  -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-min_timing.rpt
+  
+  report_timing -delay max -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
+  -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-max_timing.rpt
+
+  if {$design == "caravel"} {
+    report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group clk \
+    -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-clk-min_timing.rpt
+    
+    report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group hk_serial_clk \
+    -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-hk_serial_clk-min_timing.rpt
+    
+    report_timing -delay max -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group hk_serial_clk \
+    -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-hk_serial_clk-max_timing.rpt
+
+    report_timing -delay min -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit -group hkspi_clk \
+    -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-hkspi_clk-min_timing.rpt
+
+    report_timing -delay min -through [get_cells soc] -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
+    -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-soc-min_timing.rpt
+
+    report_timing -delay max -through [get_cells soc] -path_type full_clock_expanded -transition_time -capacitance -nets -nosplit \
+    -max_paths 1000 -nworst 10 -slack_lesser_than 100 -significant_digits 4 -include_hierarchical_pins > $::env(OUT_DIR)/pt_reports/${design}-${rc_corner}-${proc_corner}-soc-max_timing.rpt
+  }
+
+  write_sdf -version 3.0 -significant_digits 4 $::env(OUT_DIR)/pt_sdf/${design}-${rc_corner}-${proc_corner}.sdf
+}
+
+read_spefs $::env(DESIGN)
+update_timing
+report_results $::env(DESIGN) $::env(RC_CORNER) $::env(PROC_CORNER)
+
+exit
\ No newline at end of file
diff --git a/scripts/run_pt_sta.py b/scripts/run_pt_sta.py
new file mode 100644
index 00000000..b12c7e80
--- /dev/null
+++ b/scripts/run_pt_sta.py
@@ -0,0 +1,144 @@
+#!/usr/bin/env python3
+# This script runs PrimeTime STA
+# Rev 1 
+# 6/10/2022
+
+import argparse
+import os
+
+def run_sta_all (
+  design: str,
+  output_dir: str
+):
+  proc_corners = ["t", "s", "f"]
+  rc_corners = ["nom", "max", "min"]
+  for proc in proc_corners:
+    for rc in rc_corners:
+      run_sta (design, proc, rc, output_dir)
+
+def run_sta (
+  design: str,
+  proc_corner: str,
+  rc_corner: str,
+  output_dir: str
+):
+  print (f"PrimeTime STA run for design: {design} at process corner {proc_corner} and RC corner {rc_corner}")
+  
+  # Enviornment Variables
+  check_env_vars()
+  os.environ["PT_LIB_ROOT"] = os.getenv('PT_LIB_ROOT')
+  os.environ["CARAVEL_ROOT"] = os.getenv('CARAVEL_ROOT')
+  os.environ["MCW_ROOT"] = os.getenv('MCW_ROOT')
+  os.environ["OUT_DIR"] = output_dir
+  SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+  os.environ["DESIGN"] = design
+  os.environ["PROC_CORNER"] = proc_corner
+  os.environ["RC_CORNER"] = rc_corner
+
+  # PrimeTime command
+  PT_tcl = f"{SCRIPT_DIR}/pt_sta.tcl"
+  pt_command = f"source /tools/bashrc_snps; pt_shell -f {PT_tcl} -output_log_file {output_dir}/pt_logs/{design}-{rc_corner}-{proc_corner}-sta.log"
+  os.system(pt_command)
+
+  # Check if there exists any violations
+  sta_pass=search_viol(f"{output_dir}/pt_reports/{design}-{rc_corner}-{proc_corner}-all_viol.rpt")
+  if not sta_pass:
+    print (f"STA run failed\ncheck report: {output_dir}/pt_reports/{design}-{rc_corner}-{proc_corner}-all_viol.rpt")
+  else:
+    print (f"STA run passed")
+
+# Check the required env variables
+def check_env_vars():
+  pt_lib_root = os.getenv('PT_LIB_ROOT')
+  caravel_root = os.getenv('CARAVEL_ROOT')
+  mcw_root = os.getenv('MCW_ROOT')
+  if pt_lib_root is None:
+    raise FileNotFoundError(
+    "Please export PT_LIB_ROOT to the PrimeTime liberties path"
+    )
+  if caravel_root is None:
+    raise FileNotFoundError(
+    "Please export CARAVEL_ROOT to the Caravel repo path"
+    )
+  if mcw_root is None:
+    raise FileNotFoundError(
+    "Please export MCW_ROOT to the Caravel Management SoC Litex repo path"
+    )
+
+# Analyze the STA all violators output report
+def search_viol(
+  report_path: str
+):
+  with open(report_path, 'r') as report:
+    if "(VIOLATED)" or "Could not auto-link design" in report.read():
+      return 0
+    else: 
+      return 1
+
+parser = argparse.ArgumentParser(
+  description="Run STA using PrimeTime"
+)
+parser.add_argument(
+  "-d",
+  "--design",
+  help="design name",
+  required=True
+)
+parser.add_argument(
+  "-o",
+  "--output_dir",
+  help="output directory",
+  required=True
+)
+parser.add_argument(
+  "-rc",
+  "--rc_corner",
+  help="Specify the RC corner for the parasitics (Values are nom, max, or min) <default is nom>",
+  nargs="?",
+  default="nom"
+)
+parser.add_argument(
+  "-proc",
+  "--proc_corner",
+  help="Specify the process corner (Values are t, f, or s) <default is t>",
+  nargs="?",
+  default="t"
+)
+parser.add_argument(
+  "-a",
+  "--all",
+  help="Specify to run all the process corners and rc corners combinations for the design",
+  action='store_true'
+)
+
+args = parser.parse_args()
+
+output = os.path.abspath(args.output_dir)
+
+try:
+  os.makedirs(output)
+except FileExistsError:
+  # directory already exists
+  pass
+
+try:
+  os.makedirs(os.path.join(output,"pt_reports"))
+except FileExistsError:
+  # directory already exists
+  pass
+try:
+  os.makedirs(os.path.join(output,"pt_logs"))
+except FileExistsError:
+  # directory already exists
+  pass
+
+try:
+  os.makedirs(os.path.join(output,"pt_sdf"))
+except FileExistsError:
+  # directory already exists
+  pass
+
+if args.all:
+  run_sta_all (args.design, output) 
+else:
+  run_sta (args.design, args.proc_corner, args.rc_corner, output)