108 lines
3.9 KiB
Python
108 lines
3.9 KiB
Python
# This file is Copyright (c) 2013 Florent Kermarrec <florent@enjoy-digital.fr>
|
|
# License: BSD
|
|
|
|
import os
|
|
import subprocess
|
|
|
|
from migen.fhdl.structure import _Fragment
|
|
from mibuild.generic_platform import *
|
|
|
|
from mibuild import tools
|
|
from mibuild.xilinx import common
|
|
|
|
|
|
def _format_constraint(c):
|
|
if isinstance(c, Pins):
|
|
return "set_location_assignment PIN_" + c.identifiers[0]
|
|
elif isinstance(c, IOStandard):
|
|
return "set_instance_assignment -name IO_STANDARD " + "\"" + c.name + "\""
|
|
elif isinstance(c, Misc):
|
|
return c.misc
|
|
|
|
|
|
def _format_qsf(signame, pin, others, resname):
|
|
fmt_c = [_format_constraint(c) for c in ([Pins(pin)] + others)]
|
|
fmt_r = resname[0] + ":" + str(resname[1])
|
|
if resname[2] is not None:
|
|
fmt_r += "." + resname[2]
|
|
r = ""
|
|
for c in fmt_c:
|
|
r += c + " -to " + signame + " # " + fmt_r + "\n"
|
|
return r
|
|
|
|
|
|
def _build_qsf(named_sc, named_pc):
|
|
r = ""
|
|
for sig, pins, others, resname in named_sc:
|
|
if len(pins) > 1:
|
|
for i, p in enumerate(pins):
|
|
r += _format_qsf(sig + "[" + str(i) + "]", p, others, resname)
|
|
else:
|
|
r += _format_qsf(sig, pins[0], others, resname)
|
|
if named_pc:
|
|
r += "\n" + "\n\n".join(named_pc)
|
|
r += "set_global_assignment -name top_level_entity top\n"
|
|
return r
|
|
|
|
|
|
def _build_files(device, sources, vincpaths, named_sc, named_pc, build_name):
|
|
qsf_contents = ""
|
|
for filename, language in sources:
|
|
# Enforce use of SystemVerilog (Quartus does not support global parameters in Verilog)
|
|
if language == "verilog":
|
|
language = "systemverilog"
|
|
qsf_contents += "set_global_assignment -name " + language.upper() + "_FILE " + filename.replace("\\", "/") + "\n"
|
|
|
|
for path in vincpaths:
|
|
qsf_contents += "set_global_assignment -name SEARCH_PATH " + path.replace("\\", "/") + "\n"
|
|
|
|
qsf_contents += _build_qsf(named_sc, named_pc)
|
|
qsf_contents += "set_global_assignment -name DEVICE " + device
|
|
tools.write_to_file(build_name + ".qsf", qsf_contents)
|
|
|
|
|
|
def _run_quartus(build_name, quartus_path):
|
|
build_script_contents = """# Autogenerated by mibuild
|
|
|
|
quartus_map --read_settings_files=on --write_settings_files=off {build_name} -c {build_name}
|
|
quartus_fit --read_settings_files=off --write_settings_files=off {build_name} -c {build_name}
|
|
quartus_asm --read_settings_files=off --write_settings_files=off {build_name} -c {build_name}
|
|
quartus_sta {build_name} -c {build_name}
|
|
|
|
""".format(build_name=build_name)
|
|
build_script_file = "build_" + build_name + ".sh"
|
|
tools.write_to_file(build_script_file, build_script_contents, force_unix=True)
|
|
|
|
r = subprocess.call(["bash", build_script_file])
|
|
if r != 0:
|
|
raise OSError("Subprocess failed")
|
|
|
|
|
|
class AlteraQuartusToolchain:
|
|
def build(self, platform, fragment, build_dir="build", build_name="top",
|
|
quartus_path="/opt/Altera", run=True):
|
|
tools.mkdir_noerror(build_dir)
|
|
os.chdir(build_dir)
|
|
|
|
if not isinstance(fragment, _Fragment):
|
|
fragment = fragment.get_fragment()
|
|
platform.finalize(fragment)
|
|
|
|
v_output = platform.get_verilog(fragment)
|
|
named_sc, named_pc = platform.resolve_signals(v_output.ns)
|
|
v_file = build_name + ".v"
|
|
v_output.write(v_file)
|
|
sources = platform.sources | {(v_file, "verilog")}
|
|
_build_files(platform.device, sources, platform.verilog_include_paths, named_sc, named_pc, build_name)
|
|
if run:
|
|
_run_quartus(build_name, quartus_path)
|
|
|
|
os.chdir("..")
|
|
|
|
return v_output.ns
|
|
|
|
def add_period_constraint(self, platform, clk, period):
|
|
# TODO: handle differential clk
|
|
platform.add_platform_command("""set_global_assignment -name DUTY_CYCLE 50 -section_id {clk}""", clk=clk)
|
|
platform.add_platform_command("""set_global_assignment -name FMAX_REQUIREMENT "{freq} MHz" -section_id {clk}\n""".format(freq=str(float(1/period)*1000), clk="{clk}"), clk=clk)
|