From 09a1cda943440107ddab7ea10814ffdd5ba3a0cd Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Fri, 23 Nov 2018 09:30:13 +0100 Subject: [PATCH] build/microsemi/libero_soc: associate timings constraints with synthesis/place&route/timing verification --- litex/build/microsemi/libero_soc.py | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/litex/build/microsemi/libero_soc.py b/litex/build/microsemi/libero_soc.py index 92bc943b..e463d829 100644 --- a/litex/build/microsemi/libero_soc.py +++ b/litex/build/microsemi/libero_soc.py @@ -12,9 +12,11 @@ from litex.build.generic_platform import * from litex.build import tools from litex.build.microsemi import common + def tcl_name(name): return "{" + name + "}" + def _format_io_constraint(c): if isinstance(c, Pins): return "-pin_name {} ".format(c.identifiers[0]) @@ -111,19 +113,30 @@ def _build_tcl(platform, sources, build_dir, build_name): if file.endswith(".init"): tcl.append("file copy -- {} impl/synthesis".format(file)) - # import io / fp constraints + # import io constraints tcl.append("import_files -io_pdc {}".format(tcl_name(build_name + "_io.pdc"))) + + # import floorplanner constraints tcl.append("import_files -fp_pdc {}".format(tcl_name(build_name + "_fp.pdc"))) + + # import timing constraints + tcl.append("import_files -convert_EDN_to_HDL 0 -sdc {}".format(tcl_name(build_name + ".sdc"))) + + # associate constraints with tools + tcl.append(" ".join(["organize_tool_files", + "-tool {SYNTHESIZE}", + "-file impl/constraint/{}.sdc".format(build_name), + "-module {}".format(build_name), + "-input_type {constraint}" + ])) tcl.append(" ".join(["organize_tool_files", "-tool {PLACEROUTE}", "-file impl/constraint/io/{}_io.pdc".format(build_name), "-file impl/constraint/fp/{}_fp.pdc".format(build_name), + "-file impl/constraint/{}.sdc".format(build_name), "-module {}".format(build_name), "-input_type {constraint}" ])) - - # import timing constraints - tcl.append("import_files -convert_EDN_to_HDL 0 -sdc {}".format(tcl_name(build_name + ".sdc"))) tcl.append(" ".join(["organize_tool_files", "-tool {VERIFYTIMING}", "-file impl/constraint/{}.sdc".format(build_name), @@ -161,6 +174,7 @@ def _build_timing_sdc(vns, clocks, false_paths, build_name, additional_timing_co sdc += additional_timing_constraints tools.write_to_file(build_name + ".sdc", "\n".join(sdc)) + def _build_script(build_name, device, toolchain_path, ver=None): if sys.platform in ("win32", "cygwin"): script_ext = ".bat" -- 2.30.2