01x-clb/top.py: Added CLBN increment from env var

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>

fuzzers/011-clb-ffconfig/top.py

@@ -1,11 +1,14 @@
-import random
+import os, random
 random.seed(0)
 from prjxray import util
 from prjxray import verilog
 
 from prims import *
 
-CLBN = 600
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 600 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))
 
 f = open("top.txt", "w")

fuzzers/012-clb-n5ffmux/top.py

@@ -1,9 +1,12 @@
-import random
+import os, random
 random.seed(0)
 from prjxray import util
 from prjxray import verilog
 
-CLBN = 40
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 40 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))
 
 

fuzzers/013-clb-ncy0/top.py

@@ -1,9 +1,12 @@
-import random
+import os, random
 random.seed(0)
 from prjxray import util
 from prjxray import verilog
 
-CLBN = 400
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 400 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))
 
 
@@ -107,7 +110,7 @@ module clb_NCY0_O5 (input clk, input [7:0] din, output [7:0] dout);
     always @(*) begin
         s = din[7:4];
         s[N] = o6;
-        
+
         di = {din[3:0]};
         di[N] = o5;
     end

fuzzers/014-clb-ffsrcemux/top.py

@@ -5,7 +5,10 @@ import re
 from prjxray import util
 from prjxray import verilog
 
-CLBN = 600
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 600 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))
 
 

fuzzers/015-clb-nffmux/top.py

@@ -1,9 +1,12 @@
-import random
+import os, random
 random.seed(0)
 from prjxray import util
 from prjxray import verilog
 
-CLBN = 400
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 400 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))
 
 

fuzzers/016-clb-noutmux/top.py

@@ -1,9 +1,12 @@
-import random
+import os, random
 random.seed(0)
 from prjxray import util
 from prjxray import verilog
 
-CLBN = 400
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 400 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))
 
 

fuzzers/017-clb-precyinit/top.py

@@ -5,7 +5,10 @@ import re
 from prjxray import verilog
 from prjxray import util
 
-CLBN = 400
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 400 + int(INCREMENT)
 SLICEX, SLICEY = util.site_xy_minmax([
     'SLICEL',
     'SLICEM',

fuzzers/018-clb-ram/top.py

@@ -15,12 +15,15 @@ SRLC32E_N
 Note: LUT6 was added to try to simplify reduction, although it might not be needed
 '''
 
-import random
+import os, random
 random.seed(0)
 from prjxray import util
 from prjxray import verilog
 
-CLBN = 50
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 50 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))
 
 

fuzzers/019-clb-ndi1mux/top.py

@@ -1,9 +1,12 @@
-import random
+import os, random
 random.seed(0)
 from prjxray import util
 from prjxray import verilog
 
-CLBN = 50
+# INCREMENT is the amount of additional CLBN to be instantiated in the design.
+# This makes the fuzzer compilation more robust against failures.
+INCREMENT = os.getenv('CLBN', 0)
+CLBN = 50 + int(INCREMENT)
 print('//Requested CLBs: %s' % str(CLBN))