build/xilinx/vivado: Add project commands to add commands just after project creation.

litex/build/xilinx/vivado.py

@@ -101,6 +101,7 @@ class XilinxVivadoToolchain(GenericToolchain):
         super().__init__()
         self.bitstream_commands         = []
         self.additional_commands        = []
+        self.project_commands           = XilinxVivadoCommands()
         self.pre_synthesis_commands     = XilinxVivadoCommands()
         self.pre_placement_commands     = XilinxVivadoCommands()
         self.pre_routing_commands       = XilinxVivadoCommands()
@@ -223,6 +224,10 @@ class XilinxVivadoToolchain(GenericToolchain):
         if self.vivado_max_threads:
             tcl.append(f"set_param general.maxThreads {self.vivado_max_threads}")
 
+        # Add project commands
+        tcl.append("\n# Add project commands\n")
+        tcl.extend(c.format(build_name=self._build_name) for c in self.project_commands.resolve(self._vns))
+
         # Enable Xilinx Parameterized Macros
         if self._enable_xpm:
             tcl.append("\n# Enable Xilinx Parameterized Macros\n")