Add support for loading tcls

pyproject.toml

@@ -35,7 +35,7 @@ name = "build-fpga"  # REQUIRED, is the only field that cannot be marked as dyna
 # https://packaging.python.org/guides/single-sourcing-package-version/
 
 # dynamic = ["version"]
-version = "0.4.2"  # REQUIRED, although can be dynamic
+version = "0.5.0"  # REQUIRED, although can be dynamic
 
 # This is a one-line description or tagline of what your project does. This
 # corresponds to the "Summary" metadata field:

src/build_fpga/vivado/vivado.py

@@ -7,6 +7,7 @@ def build_nonprj(cfg):
     verilog_sources = list(filter(lambda s: (s.endswith(".v") or s.endswith(".sv")), all_sources))
     xci_sources = list(filter(lambda s: s.endswith(".xci"), all_sources))
     xdc_sources = list(filter(lambda s: s.endswith(".xdc"), all_sources))
+    tcl_sources = list(filter(lambda s: s.endswith(".tcl"), all_sources))
 
     top = cfg["design_info"]["top_module"]
     part = cfg["device_info"]["device"]
@@ -43,6 +44,10 @@ def build_nonprj(cfg):
         f.write(f"write_checkpoint -force $outputDir/post_synth.dcp\n")
         f.write(f"report_utilization -file $outputDir/post_synth_util.rpt\n")
 
+        if tcl_sources is not []:
+            for tcl_script in tcl_sources:
+                f.write(f"source {tcl_script}\n")
+
         f.write(f"opt_design -directive {opt_directive}\n")
         f.write(f"place_design -directive {place_directive}\n")
         f.write(f"write_checkpoint -force $outputDir/post_place.dcp\n")