cocotb.patch

diff --git a/edalize/icarus.py b/edalize/icarus.py
index 4e62e45..72e6df6 100644
--- a/edalize/icarus.py
+++ b/edalize/icarus.py
@@ -16,7 +16,7 @@ $(TARGET):
 	iverilog -s$(TOPLEVEL) -c $(TARGET).scr -o $@ $(IVERILOG_OPTIONS)
 
 run: $(VPI_MODULES) $(TARGET)
-	vvp -n -M. -l icarus.log $(patsubst %.vpi,-m%,$(VPI_MODULES)) $(TARGET) -fst $(EXTRA_OPTIONS)
+	vvp -n -M. -l icarus.log $(patsubst %.vpi,-m%,$(VPI_MODULES)) $(VVP_OPTIONS) $(TARGET) -fst $(EXTRA_OPTIONS)
 
 clean:
 	$(RM) $(VPI_MODULES) $(TARGET)
@@ -53,6 +53,11 @@ class Icarus(Edatool):
                         "type": "String",
                         "desc": "Additional options for iverilog",
                     },
+                    {
+                        "name": "vvp_options",
+                        "type": "String",
+                        "desc": "Additional options for vvp",
+                    },
                 ],
             }
 
@@ -110,6 +115,11 @@ class Icarus(Edatool):
                     " ".join(self.tool_options.get("iverilog_options", []))
                 )
             )
+            f.write(
+                "VVP_OPTIONS := {}\n".format(
+                    " ".join(self.tool_options.get("vvp_options", []))
+                )
+            )
             if self.plusarg:
                 plusargs = []
                 for key, value in self.plusarg.items():

cocotb_example.core

CAPI=2:

name : ::cocotb_example:0
filesets:
  rtl:
    files:
      - my_design.sv
      - test_my_design.py : {file_type : user, copyto : test_my_design.py}
    file_type : systemVerilogSource

targets:
  sim:
    default_tool : icarus
    filesets : [rtl]
    parameters: [COCOTB_SIM]
    toplevel : my_design
    tools:
      icarus:
        iverilog_options: [-g2012]
        vvp_options: [-M, "`cocotb-config --lib-dir`", "-m", libcocotbvpi_icarus]
        timescale : 1ns/1ps


parameters:
  COCOTB_SIM:
    datatype : int
    default: 1
    paramtype : vlogdefine

runme.sh

MODULE=test_my_design fusesoc --cores-root=. run --target=sim cocotb_example