diff --git a/openfasoc/generators/cryo-gen/tools/cryo-gen.py b/openfasoc/generators/cryo-gen/tools/cryo-gen.py
index 249624d3d..5cdab9f91 100755
--- a/openfasoc/generators/cryo-gen/tools/cryo-gen.py
+++ b/openfasoc/generators/cryo-gen/tools/cryo-gen.py
@@ -103,12 +103,13 @@
     if not os.path.isdir(sky130A_path):
         os.mkdir(sky130A_path)
     try:
-        sp.Popen(
-            [
-                "sed -i 's/set PDKPATH \".*/set PDKPATH $env(PDK_ROOT)\/sky130A/' $PDK_ROOT/sky130A/libs.tech/magic/sky130A.magicrc"
-            ],
-            shell=True,
-        ).wait()
+        cmd = ["sed -i 's/set PDKPATH \".*/set PDKPATH $env(PDK_ROOT)\/sky130A/' $PDK_ROOT/sky130A/libs.tech/magic/sky130A.magicrc"]
+        p = sp.Popen(cmd, shell=True)
+        p.wait()
+        if p.returncode != 0:
+    	    print("[ERROR]: Command '" + ' '.join(cmd) + \
+    	    "' exited with non-zero return code: " + str(p.returncode))
+    	    sys.exit(p.returncode)
     except:
         pass
     shutil.copy2(os.path.join(pdk, "libs.tech/magic/sky130A.magicrc"), sky130A_path)
@@ -155,17 +156,21 @@
 print()
 if args.mode == "verilog":
     print("Exiting tool....")
-    exit()
+    sys.exit(0)
 
 print("#----------------------------------------------------------------------")
 print("# Run Synthesis and APR")
 print("#----------------------------------------------------------------------")
 # make with different deisgn config
+
+cmd = ["make", "PLATFORM_ARG=" + args.platform, "SPICE_FILE=" + spice_file]
 p = sp.Popen(
-    ["make", "PLATFORM_ARG=" + args.platform, "SPICE_FILE=" + spice_file], cwd=flowDir
+    cmd, cwd=flowDir
 )
 p.wait()
-
+if(p.returncode != 0):
+    print("[ERROR]: Command '" + ' '.join(cmd) + "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
 
 print("#----------------------------------------------------------------------")
 print("# Place and Route finished")
@@ -173,11 +178,15 @@
 
 time.sleep(2)
 
+cmd = ["make", "magic_drc", "PLATFORM_ARG=" + args.platform, "SPICE_FILE=" + spice_file]
 p = sp.Popen(
-    ["make", "magic_drc", "PLATFORM_ARG=" + args.platform, "SPICE_FILE=" + spice_file],
+    cmd,
     cwd=flowDir,
 )
 p.wait()
+if(p.returncode != 0):
+    print("[ERROR]: Command '" + ' '.join(cmd) + "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
 
 print("#----------------------------------------------------------------------")
 print("# DRC finished")
@@ -185,12 +194,15 @@
 
 time.sleep(2)
 
+cmd = ["make", "netgen_lvs", "PLATFORM_ARG=" + args.platform, "SPICE_FILE=" + spice_file]
 p = sp.Popen(
-    ["make", "netgen_lvs", "PLATFORM_ARG=" + args.platform, "SPICE_FILE=" + spice_file],
+    cmd,
     cwd=flowDir,
 )
 p.wait()
-
+if(p.returncode != 0):
+    print("[ERROR]: Command '"  + ' '.join(cmd) + "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
 
 print("#----------------------------------------------------------------------")
 print("# LVS finished")
@@ -274,11 +286,20 @@
     print("Exiting tool....")
     exit()
 
-p = sp.Popen(["yum", "install", "-y", "libXaw-devel"])
-p.wait()
-p = sp.Popen(["yum", "install", "-y", "libXaw"])
+cmd = ["yum", "install", "-y", "libXaw-devel"]
+p = sp.Popen(cmd)
 p.wait()
+if p.returncode != 0:
+    print("Command '"  + ' '.join(cmd) + "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
 
+cmd = ["yum", "install", "-y", "libXaw"]
+p = sp.Popen(cmd)
+p.wait()
+if p.returncode != 0:
+    print("Command '"  + ' '.join(cmd) + "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
+    
 pdks_path = "/usr/bin/miniconda3/share/pdk/"
 
 if args.prepex:
diff --git a/openfasoc/generators/ldo-gen/tools/ldo-gen.py b/openfasoc/generators/ldo-gen/tools/ldo-gen.py
index 4def87771..27e097074 100644
--- a/openfasoc/generators/ldo-gen/tools/ldo-gen.py
+++ b/openfasoc/generators/ldo-gen/tools/ldo-gen.py
@@ -144,11 +144,13 @@
     print("#----------------------------------------------------------------------")
     print("# Run Synthesis and APR")
     print("#----------------------------------------------------------------------")
-    p = sp.Popen(["make", "finish"], cwd=directories["flowDir"])
+    cmd = ["make", "finish"]
+    p = sp.Popen(cmd, cwd=directories["flowDir"])
     p.wait()
-    if p.returncode:
-        print("[Error] Place and Route failed. Refer to the log file")
-        exit(1)
+    if p.returncode != 0:
+        print("[ERROR]: Command '" + ' '.join(cmd) +\
+         "' exited with non-zero return code: " + str(p.returncode))
+        sys.exit(p.returncode)
 
     print("#----------------------------------------------------------------------")
     print("# Run DRC")
@@ -163,11 +165,13 @@
     print("#----------------------------------------------------------------------")
     print("# Run LVS")
     print("#----------------------------------------------------------------------")
-    p = sp.Popen(["make", "netgen_lvs"], cwd=directories["flowDir"])
+    cmd = ["make", "netgen_lvs"]
+    p = sp.Popen(cmd, cwd=directories["flowDir"])
     p.wait()
-    if p.returncode:
-        print("[Error] LVS failed. Refer to the report")
-        exit(1)
+    if p.returncode != 0:
+        print("[ERROR]: Command '" + ' '.join(cmd) +\
+         "' exited with non-zero return code: " + str(p.returncode))
+        sys.exit(p.returncode)
 
     print("#----------------------------------------------------------------------")
     print("# LVS and DRC finished successfully")
diff --git a/openfasoc/generators/temp-sense-gen/tools/temp-sense-gen.py b/openfasoc/generators/temp-sense-gen/tools/temp-sense-gen.py
index 7d5d48aa8..5c298fad5 100755
--- a/openfasoc/generators/temp-sense-gen/tools/temp-sense-gen.py
+++ b/openfasoc/generators/temp-sense-gen/tools/temp-sense-gen.py
@@ -26,12 +26,18 @@
 # ------------------------------------------------------------------------------
 # Clean the workspace
 # ------------------------------------------------------------------------------
-print("#----------------------------------------------------------------------")
-print("# Cleaning the workspace...")
-print("#----------------------------------------------------------------------")
+
+print("#----------------------------------------------------------------------", flush=True)
+print("# Cleaning the workspace...", flush=True)
+print("#----------------------------------------------------------------------", flush=True)
+
 if args.clean:
-    p = sp.Popen(["make", "clean_all"], cwd=genDir)
+    cmd = ["make", "clean_all"]
+    p = sp.Popen(cmd, cwd=genDir)
     p.wait()
+    if p.returncode != 0:
+        print("[ERROR]: Command '" + ' '.join(cmd) + "' exited with non-zero return code: " + str(p.returncode))
+        sys.exit(p.returncode)
 
 p = sp.Popen(["git", "checkout", platformDir + "cdl/sky130_fd_sc_hd.spice"])
 p.wait()
@@ -67,7 +73,7 @@
     if not os.path.isdir(sky130A_path):
         os.mkdir(sky130A_path)
     try:
-        sp.Popen(
+    	p = sp.Popen(
             [
                 "sed -i 's/set PDKPATH \".*/set PDKPATH $env(PDK_ROOT)\/sky130A/' $PDK_ROOT/sky130A/libs.tech/magic/sky130A.magicrc"
             ],
@@ -146,37 +152,43 @@
 print()
 if args.mode == "verilog":
     print("Exiting tool....")
-    exit()
+    sys.exit(0)
 
 print("#----------------------------------------------------------------------")
 print("# Run Synthesis and APR")
 print("#----------------------------------------------------------------------")
 
-p = sp.Popen(["make", "finish"], cwd=flowDir)
+cmd = ["make", "finish"]
+p = sp.Popen(cmd, cwd=flowDir)
 p.wait()
-if p.returncode:
-    print("[Error] Place and Route failed. Refer to the log file")
-    exit(1)
+if p.returncode != 0:
+    print("[ERROR]: Command '" + ' '.join(cmd) +\
+     "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
 
 print("#----------------------------------------------------------------------")
 print("# Place and Route finished")
 print("#----------------------------------------------------------------------")
 
-p = sp.Popen(["make", "magic_drc"], cwd=flowDir)
+cmd = ["make", "magic_drc"]
+p = sp.Popen(cmd, cwd=flowDir)
 p.wait()
-if p.returncode:
-    print("[Error] DRC failed. Refer to the report")
-    exit(1)
+if p.returncode != 0:
+    print("[ERROR]: Command '" + ' '.join(cmd) + \
+     "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
 
 print("#----------------------------------------------------------------------")
 print("# DRC finished")
 print("#----------------------------------------------------------------------")
 
-p = sp.Popen(["make", "netgen_lvs"], cwd=flowDir)
+cmd = ["make", "netgen_lvs"]
+p = sp.Popen(cmd, cwd=flowDir)
 p.wait()
-if p.returncode:
-    print("[Error] LVS failed. Refer to the report")
-    exit(1)
+if p.returncode != 0:
+    print("[ERROR]: Command '" + ' '.join(cmd) + \
+     "' exited with non-zero return code: " + str(p.returncode))
+    sys.exit(p.returncode)
 
 print("#----------------------------------------------------------------------")
 print("# LVS finished")
@@ -262,4 +274,4 @@
         sys.exit(1)
 
 print("Exiting tool....")
-exit()
+sys.exit(0)