[Build] Fix missing step between config and build when passing vivado…

… impl strategy

src/finn/builder/build_dataflow_config.py

@@ -90,6 +90,7 @@ class VitisOptStrategyCfg(str, Enum):
 class VivadoImplStrategyCfg(str, Enum):
     "Values applicable to VitisBuild Vivado implementation strategy"
 
+    ALL = "ALL"
     DEFAULT = "'Vivado Implementation Defaults'"
     PERFORMANCE_BALANCESLR = "Performance_BalanceSLRs"
     PERFORMANCE_HIGHUTILSLR = "Performance_HighUtilSLRs"
@@ -414,6 +415,16 @@ def _resolve_vitis_opt_strategy(self):
         }
         return name_to_strategy[self.vitis_opt_strategy]
 
+    def _resolve_vivado_impl_strategy(self):
+        # convert human-readable enum to value expected by v++
+        name_to_strategy = {
+            VivadoImplStrategyCfg.ALL: VivadoImplStrategy.ALL,
+            VivadoImplStrategyCfg.DEFAULT: VivadoImplStrategy.DEFAULT,
+            VivadoImplStrategyCfg.PERFORMANCE_BALANCESLR: VivadoImplStrategy.PERFORMANCE_BALANCESLR,
+            VivadoImplStrategyCfg.PERFORMANCE_HIGHUTILSLR: VivadoImplStrategy.PERFORMANCE_HIGHUTILSLR,  # noqa
+        }
+        return name_to_strategy[self.vivado_impl_strategy]
+
     def _resolve_vitis_platform(self):
         if self.vitis_platform is not None:
             return self.vitis_platform

src/finn/builder/build_dataflow_steps.py

@@ -788,6 +788,7 @@ def step_synthesize_bitfile(model: ModelWrapper, cfg: DataflowBuildConfig):
                     cfg.synth_clk_period_ns,
                     cfg._resolve_vitis_platform(),
                     strategy=cfg._resolve_vitis_opt_strategy(),
+                    impl_strategy=cfg._resolve_vivado_impl_strategy(),
                     enable_debug=cfg.enable_hw_debug,
                     floorplan_file=cfg.vitis_floorplan_file,
                     partition_model_dir=partition_model_dir,

src/finn/transformation/fpgadataflow/vitis_build.py

@@ -76,6 +76,7 @@ class VitisOptStrategy(Enum):
 class VivadoImplStrategy(str, Enum):
     "Values applicable to VitisBuild Vivado implementation strategy"
 
+    ALL = "ALL"
     DEFAULT = "'Vivado Implementation Defaults'"
     PERFORMANCE_BALANCESLR = "Performance_BalanceSLRs"
     PERFORMANCE_HIGHUTILSLR = "Performance_HighUtilSLRs"