support PCIE Gen4 for u55n xdma shell

hw/shells/xilinx_u55n/xdma_gen3x8/build.tcl

@@ -1,29 +1,34 @@
 set script_path [file dirname [file normalize [info script]]]
 
-create_project -in_memory -part xcu55n-fsvh2892-2L-e
+create_project -part xcu55n-fsvh2892-2L-e synth synth
 set_property source_mgmt_mode All [current_project]
 
 # -- [READ FILES] -------------------------------------------------------------
-file mkdir ./shell/
-file mkdir ./user/
-file copy ${script_path}/shell.bd ./shell/shell.bd
-file copy ${script_path}/user.bd ./user/user.bd
-read_bd ./shell/shell.bd
-read_bd ./user/user.bd
-
-read_xdc "${script_path}/io.xdc"
-read_xdc "${script_path}/misc.xdc"
-read_xdc "${script_path}/floorplan.xdc"
-read_verilog "${script_path}/top.v"
+import_files ${script_path}/shell.bd
+import_files ${script_path}/user.bd
+import_files "${script_path}/io.xdc"
+import_files "${script_path}/misc.xdc"
+import_files "${script_path}/floorplan.xdc"
+import_files "${script_path}/top.v"
 # -----------------------------------------------------------------------------
 
 # -- [GENERATE BDS] -----------------------------------------------------------
+set_property synth_checkpoint_mode Hierarchical [get_files shell.bd]
+set_property synth_checkpoint_mode Hierarchical [get_files user.bd]
 generate_target all [get_files shell.bd]
 generate_target all [get_files user.bd]
 # -----------------------------------------------------------------------------
 
 # -- [COMPILE] ----------------------------------------------------------------
-synth_design -top top
+export_ip_user_files -of_objects [get_files shell.bd] -no_script -sync -force -quiet
+export_ip_user_files -of_objects [get_files user.bd] -no_script -sync -force -quiet
+create_ip_run [get_files -of_objects [get_fileset sources_1] shell.bd]
+create_ip_run [get_files -of_objects [get_fileset sources_1] user.bd]
+
+launch_runs synth_1 -jobs 16
+wait_on_runs synth_1
+
+open_run synth_1
 write_checkpoint -force ./post_synth_xilinx_u55n_xdma_gen3x8.dcp
 opt_design -directive Explore
 place_design -directive Auto_1