yosys: add command line arg to be quiet

litex/build/lattice/radiant.py

@@ -92,6 +92,7 @@ class LatticeRadiantToolchain(GenericToolchain):
 
         self._timingstrict = timingstrict
         self._synth_mode   = synth_mode
+        self._quiet       = kwargs.pop("quiet", False)
 
         return GenericToolchain.build(self, platform, fragment, **kwargs)
 
@@ -123,7 +124,7 @@ class LatticeRadiantToolchain(GenericToolchain):
         self._yosys = YosysWrapper(self.platform, self._build_name,
                 output_name=self._build_name+"_yosys", target="nexus",
                 template=[], yosys_cmds=yosys_cmds,
-                yosys_opts=self._synth_opts, synth_format="vm")
+                yosys_opts=self._synth_opts, synth_format="vm", quiet = self._quiet)
 
     # Constraints (.ldc) ---------------------------------------------------------------------------
 

litex/build/yosys_nextpnr_toolchain.py

@@ -122,6 +122,7 @@ class YosysNextPNRToolchain(GenericToolchain):
         self.timingstrict = timingstrict
         self.ignoreloops  = ignoreloops
         self.seed         = seed
+        self._quiet       = kwargs.pop("quiet", False)
 
         return GenericToolchain.build(self, platform, fragment, **kwargs)
 
@@ -139,6 +140,7 @@ class YosysNextPNRToolchain(GenericToolchain):
             synth_format = self.synth_fmt,
             nowidelut    = self._nowidelut,
             abc9         = self._abc9,
+            quiet        = self._quiet,
         )
 
         # NextPnr options

litex/build/yosys_wrapper.py

@@ -57,6 +57,7 @@ class YosysWrapper():
         self._synth_format = synth_format
         self._yosys_opts   = yosys_opts
         self._yosys_cmds   = yosys_cmds
+        self._quiet        = "" if not kwargs.pop("quiet", False) else '-Qq'
 
         self._target = target
 
@@ -132,7 +133,7 @@ class YosysWrapper():
         =======
         str containing instruction and/or rule
         """
-        base_cmd = f"yosys -l {self._build_name}.rpt {self._build_name}.ys"
+        base_cmd = f"yosys {self._quiet} -l {self._build_name}.rpt {self._build_name}.ys"
         if target == "makefile":
             return f"{self._build_name}.{self._synth_format}:\n\t" + base_cmd + "\n"
         elif target == "script":
@@ -144,10 +145,12 @@ def yosys_args(parser):
     parser.add_argument("--yosys-nowidelut", action="store_true", help="Use Yosys's nowidelut mode.")
     parser.add_argument("--yosys-abc9",      action="store_true", help="Use Yosys's abc9 mode.")
     parser.add_argument("--yosys-flow3",     action="store_true", help="Use Yosys's abc9 mode with the flow3 script.")
+    parser.add_argument("--yosys-quiet",     action="store_true", help="Use Yosys's '-Qq' to be quiet")
 
 def yosys_argdict(args):
     return {
         "nowidelut": args.yosys_nowidelut,
         "abc9":      args.yosys_abc9,
         "flow3":     args.yosys_flow3,
+        "quiet":     args.yosys_quiet,
     }