def find_flash_proxy(self):
# Search in installed flash_proxy_directories
for d in self.flash_proxy_dirs:
fulldir = os.path.abspath(os.path.expanduser(d))
fullname = tools.cygpath(
os.path.join(fulldir, self.flash_proxy_basename))
if os.path.exists(fullname):
return fullname
# Search in local flash_proxy directory
fullname = tools.cygpath(
os.path.join(self.flash_proxy_local, self.flash_proxy_basename))
if os.path.exists(fullname):
return fullname
# Search in repositories and download it
import requests
os.makedirs(self.flash_proxy_local, exist_ok=True)
for d in self.flash_proxy_repos:
fullname = tools.cygpath(
os.path.join(self.flash_proxy_local,
self.flash_proxy_basename))
try:
r = requests.get(d + self.flash_proxy_basename)
with open(fullname, "wb") as f:
f.write(r.content)
return fullname
except:
pass
raise OSError("Failed to find flash proxy bitstream")
def find_flash_proxy(self):
for d in self.flash_proxy_dirs:
fulldir = os.path.abspath(os.path.expanduser(d))
fullname = tools.cygpath(os.path.join(fulldir, self.flash_proxy_basename))
if os.path.exists(fullname):
return fullname
raise OSError("Failed to find flash proxy bitstream")
def _build_xst_files(device, sources, vincpaths, build_name, xst_opt):
prj_contents = ""
for filename, language, library in sources:
prj_contents += language + " " + library + " " + tools.cygpath(filename) + "\n"
tools.write_to_file(build_name + ".prj", prj_contents)
xst_contents = """run
-ifn {build_name}.prj
-top {build_name}
{xst_opt}
-ofn {build_name}.ngc
-p {device}
""".format(build_name=build_name, xst_opt=xst_opt, device=device)
for path in vincpaths:
xst_contents += "-vlgincdir " + tools.cygpath(path) + "\n"
tools.write_to_file(build_name + ".xst", xst_contents)
def find_flash_proxy(self):
for d in self.flash_proxy_dirs:
fulldir = os.path.abspath(os.path.expanduser(d))
fullname = tools.cygpath(
os.path.join(fulldir, self.flash_proxy_basename))
if os.path.exists(fullname):
return fullname
raise OSError("Failed to find flash proxy bitstream")
def _run_ise(build_name, ise_path, source, mode, ngdbuild_opt,
toolchain, platform, ver=None):
if sys.platform == "win32" or sys.platform == "cygwin":
source_cmd = "call "
script_ext = ".bat"
shell = ["cmd", "/c"]
build_script_contents = "@echo off\nrem Autogenerated by LiteX / git: " + tools.get_litex_git_revision() + "\n"
fail_stmt = " || exit /b"
else:
source_cmd = "source "
script_ext = ".sh"
shell = ["bash"]
build_script_contents = "# Autogenerated by LiteX / git: " + tools.get_litex_git_revision() + "\nset -e\n"
fail_stmt = ""
if source:
settings = common.settings(ise_path, ver, "ISE_DS")
build_script_contents += source_cmd + tools.cygpath(settings) + "\n"
if mode == "edif":
ext = "edif"
else:
ext = "ngc"
build_script_contents += """
xst -ifn {build_name}.xst{fail_stmt}
"""
# This generates a .v file for post synthesis simulation
build_script_contents += """
netgen -ofmt verilog -w -sim {build_name}.{ext} {build_name}_synth.v
"""
build_script_contents += """
ngdbuild {ngdbuild_opt} -uc {build_name}.ucf {build_name}.{ext} {build_name}.ngd{fail_stmt}
"""
if mode == "cpld":
build_script_contents += """
cpldfit -ofmt verilog {par_opt} -p {device} {build_name}.ngd{fail_stmt}
taengine -f {build_name}.vm6 -detail -iopath -l {build_name}.tim{fail_stmt}
hprep6 -s IEEE1532 -i {build_name}.vm6{fail_stmt}
"""
else:
build_script_contents += """
map {map_opt} -o {build_name}_map.ncd {build_name}.ngd {build_name}.pcf{fail_stmt}
par {par_opt} {build_name}_map.ncd {build_name}.ncd {build_name}.pcf{fail_stmt}
bitgen {bitgen_opt} {build_name}.ncd {build_name}.bit{fail_stmt}
"""
build_script_contents = build_script_contents.format(build_name=build_name,
ngdbuild_opt=ngdbuild_opt, bitgen_opt=toolchain.bitgen_opt, ext=ext,
par_opt=toolchain.par_opt, map_opt=toolchain.map_opt,
device=platform.device, fail_stmt=fail_stmt)
build_script_contents += toolchain.ise_commands.format(build_name=build_name)
build_script_file = "build_" + build_name + script_ext
tools.write_to_file(build_script_file, build_script_contents, force_unix=False)
command = shell + [build_script_file]
r = tools.subprocess_call_filtered(command, common.colors)
if r != 0:
raise OSError("Subprocess failed")
def _build_xst_files(device, sources, vincpaths, build_name, xst_opt):
prj_contents = ""
for filename, language, library in sources:
prj_contents += language + " " + library + " " + tools.cygpath(filename) + "\n"
tools.write_to_file(build_name + ".prj", prj_contents)
xst_contents = """run
-ifn {build_name}.prj
-top {build_name}
{xst_opt}
-ofn {build_name}.ngc
-p {device}
""".format(build_name=build_name, xst_opt=xst_opt, device=device)
if vincpaths:
xst_contents += "-vlgincdir {"
for path in vincpaths:
xst_contents += tools.cygpath(path) + " "
xst_contents += "}"
tools.write_to_file(build_name + ".xst", xst_contents)
def _run_ise(build_name, ise_path, source, mode, ngdbuild_opt,
toolchain, platform, ver=None):
if sys.platform == "win32" or sys.platform == "cygwin":
source_cmd = "call "
script_ext = ".bat"
shell = ["cmd", "/c"]
build_script_contents = "@echo off\nrem Autogenerated by Migen\n"
fail_stmt = " || exit /b"
else:
source_cmd = "source "
script_ext = ".sh"
shell = ["bash"]
build_script_contents = "# Autogenerated by Migen\nset -e\n"
fail_stmt = ""
if source:
settings = common.settings(ise_path, ver, "ISE_DS")
build_script_contents += source_cmd + tools.cygpath(settings) + "\n"
if mode == "edif":
ext = "edif"
else:
ext = "ngc"
build_script_contents += """
xst -ifn {build_name}.xst{fail_stmt}
"""
build_script_contents += """
ngdbuild {ngdbuild_opt} -uc {build_name}.ucf {build_name}.{ext} {build_name}.ngd{fail_stmt}
"""
if mode == "cpld":
build_script_contents += """
cpldfit -ofmt verilog {par_opt} -p {device} {build_name}.ngd{fail_stmt}
taengine -f {build_name}.vm6 -detail -iopath -l {build_name}.tim{fail_stmt}
hprep6 -s IEEE1532 -i {build_name}.vm6{fail_stmt}
"""
else:
build_script_contents += """
map {map_opt} -o {build_name}_map.ncd {build_name}.ngd {build_name}.pcf{fail_stmt}
par {par_opt} {build_name}_map.ncd {build_name}.ncd {build_name}.pcf{fail_stmt}
bitgen {bitgen_opt} {build_name}.ncd {build_name}.bit{fail_stmt}
"""
build_script_contents = build_script_contents.format(build_name=build_name,
ngdbuild_opt=ngdbuild_opt, bitgen_opt=toolchain.bitgen_opt, ext=ext,
par_opt=toolchain.par_opt, map_opt=toolchain.map_opt,
device=platform.device, fail_stmt=fail_stmt)
build_script_contents += toolchain.ise_commands.format(build_name=build_name)
build_script_file = "build_" + build_name + script_ext
tools.write_to_file(build_script_file, build_script_contents, force_unix=False)
command = shell + [build_script_file]
r = tools.subprocess_call_filtered(command, common.colors)
if r != 0:
raise OSError("Subprocess failed")
def find_config(self):
# Search in local directory
fullname = tools.cygpath(self.config)
if os.path.exists(fullname):
return self.config
# Search in local config directory
fullname = tools.cygpath(os.path.join(self.prog_local, self.config))
if os.path.exists(fullname):
return fullname
# Search in repositories and download it
import requests
os.makedirs(self.prog_local, exist_ok=True)
for d in self.config_repos:
fullname = tools.cygpath(os.path.join(self.prog_local, self.config))
try:
r = requests.get(d + self.config)
if r.status_code != 404:
with open(fullname, "wb") as f:
f.write(r.content)
return fullname
except:
pass
raise OSError("Failed to find config file")
def build_project(self):
if self._mode not in ["xst", "cpld"]:
return ("", "")
prj_contents = ""
for filename, language, library, *copy in self.platform.sources:
prj_contents += language + " " + library + " " + tools.cygpath(
filename) + "\n"
tools.write_to_file(self._build_name + ".prj", prj_contents)
xst_contents = """run
-ifn {build_name}.prj
-top {build_name}
{xst_opt}
-ofn {build_name}.ngc
-p {device}
""".format(build_name=self._build_name,
xst_opt=self.xst_opt,
device=self.platform.device)
if self.platform.verilog_include_paths:
xst_contents += "-vlgincdir {"
for path in self.platform.verilog_include_paths:
xst_contents += tools.cygpath(path) + " "
xst_contents += "}"
tools.write_to_file(self._build_name + ".xst", xst_contents)
