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core.py
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core.py
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# Copyright FuseSoC contributors
# Licensed under the 2-Clause BSD License, see LICENSE for details.
# SPDX-License-Identifier: BSD-2-Clause
import copy
# FIXME: Add IP-XACT support
import logging
import os
import shutil
import warnings
from filecmp import cmp
from fusesoc import utils
from fusesoc.capi2.coredata import CoreData
from fusesoc.provider.provider import get_provider
from fusesoc.vlnv import Vlnv
logger = logging.getLogger(__name__)
class Core:
capi_version = 2
def __init__(
self,
parser,
core_file,
cache_root="",
generated=False,
):
self.core_file = core_file
self.cache_root = cache_root
self.core_basename = os.path.basename(self.core_file)
self.core_root = os.path.dirname(self.core_file)
# Populated by CoreDB._solve(). TODO: Find a better solution for that.
self.direct_deps = []
self._parser = parser
self.export_files = []
self._capi_data = self._parser.read(core_file)
# If original data is needed at some later stage we need to create
# deepcopy since CoreData might modify it.
self._coredata = CoreData(copy.deepcopy(self._capi_data))
self.name = Vlnv(self._coredata.get_name())
cd_provider = self._coredata.get_provider()
if cd_provider:
self.files_root = os.path.join(cache_root, self.name.sanitized_name)
self.provider = get_provider(cd_provider["name"])(
cd_provider, self.core_root, self.files_root
)
else:
self.files_root = self.core_root
self.provider = None
self.is_generated = generated
def __repr__(self):
return str(self.name)
def cache_status(self):
if self.provider:
return self.provider.status()
else:
return "local"
def export(self, dst_dir, flags={}):
src_files = [f["name"] for f in self.get_files(flags)]
for k, v in self._get_vpi(flags).items():
src_files += [
f for f in v["src_files"] + v["inc_files"]
] # FIXME include files
self._debug("Exporting {}".format(str(src_files)))
filesets = self._coredata.get_filesets(flags)
for scripts in self._get_script_names(flags).values():
for script in scripts:
for fs in script.get("filesets", []):
for file in filesets[fs].get("files", []):
for filename, attributes in file.items():
src_files.append(filename)
dirs = list(set(map(os.path.dirname, src_files)))
for d in dirs:
os.makedirs(os.path.join(dst_dir, d), exist_ok=True)
for f in src_files:
if f.startswith(".."):
warnings.warn(
"The file {} in {} is not within the directory containing "
"the core file. This is deprecated and will be an error in "
"a future FuseSoC version. A typical solution is to move "
"core file into the root directory of the IP block it "
"describes.".format(f, self.core_file),
FutureWarning,
)
if not os.path.isabs(f):
if os.path.exists(os.path.join(self.core_root, f)):
src = os.path.join(self.core_root, f)
elif os.path.exists(os.path.join(self.files_root, f)):
src = os.path.join(self.files_root, f)
else:
_dirs = self.core_root
if self.files_root != self.core_root:
_dirs += " or " + self.files_root
raise RuntimeError(f"Cannot find {f} in {_dirs}")
dst = os.path.join(dst_dir, f)
# Only update if file is changed or doesn't exist
if not os.path.exists(dst) or not cmp(src, dst):
try:
shutil.copy2(src, dst)
except IsADirectoryError:
shutil.copytree(src, dst, dirs_exist_ok=True)
# Clean out leftover files from previous builds
for root, dirs, files in os.walk(dst_dir):
for f in files:
_abs_f = os.path.join(root, f)
if not os.path.relpath(_abs_f, dst_dir).replace("\\", "/") in src_files:
os.remove(_abs_f)
def _get_script_names(self, flags):
target_name, target = self._get_target(flags)
hooks = {}
if "hooks" in target:
cd_scripts = self._coredata.get_scripts(flags)
for hook in ["pre_build", "post_build", "pre_run", "post_run"]:
scripts = target["hooks"][hook] if hook in target["hooks"] else None
if scripts:
hooks[hook] = []
for script in scripts:
if not script in cd_scripts:
raise SyntaxError(
"Script '{}', requested by target '{}', was not found".format(
script, target_name
)
)
cd_scripts[script]["name"] = script
hooks[hook].append(cd_scripts[script])
return hooks
""" Get flags, including tool, from target """
def get_flags(self, target_name):
flags = {}
cd_targets = self._coredata.get_targets(flags)
if target_name in cd_targets:
target = cd_targets[target_name]
if target:
if "flags" in target:
flags = target["flags"].copy()
if "default_tool" in target:
# Special case for tool as we get it from default_tool
flags["tool"] = str(target["default_tool"])
else:
raise RuntimeError(f"'{self.name}' has no target '{target_name}'")
return flags
def get_flow(self, flags):
self._debug("Getting flow for flags {}".format(str(flags)))
flow = None
if flags.get("flow"):
flow = flags["flow"]
else:
_flags = flags.copy()
_flags["is_toplevel"] = True
target_name, target = self._get_target(_flags)
if "flow" in target:
flow = str(target["flow"])
if flow:
self._debug(f" Matched flow {flow}")
else:
self._debug(" Matched no flow")
return flow
def get_scripts(self, files_root, flags):
self._debug("Getting hooks for flags '{}'".format(str(flags)))
hooks = {}
for hook, scripts in self._get_script_names(flags).items():
hooks[hook] = []
for script in scripts:
env = script.get("env", {})
env["FILES_ROOT"] = files_root
_script = {
"name": script.get("name", ""),
"cmd": [str(x) for x in script.get("cmd", [])],
"env": env,
}
hooks[hook].append(_script)
_s = " Matched {} hook {}"
self._debug(_s.format(hook, str(_script)))
return hooks
def get_tool_options(self, flags):
_flags = flags.copy()
self._debug("Getting tool options for flags {}".format(str(_flags)))
target_name, target = self._get_target(_flags)
tool = flags["tool"]
options = (
target["tools"][tool]
if "tools" in target and tool in target["tools"]
else {}
)
if "tools" in target:
self._debug("Found tool options " + str(target["tools"]))
else:
self._debug("No tool options found")
return options
def get_flow_options(self, flags):
_flags = flags.copy()
self._debug("Getting flow options for flags {}".format(str(_flags)))
target_name, target = self._get_target(_flags)
if "flow_options" in target:
self._debug("Found flow options " + str(target["flow_options"]))
else:
self._debug("Found no flow options")
return ("flow_options" in target and target["flow_options"]) or {}
def get_depends(self, flags): # Add use flags?
depends = []
self._debug("Getting dependencies for flags {}".format(str(flags)))
for fs in self._get_filesets(flags):
depends += [Vlnv(d) for d in fs["depend"]]
return depends
def get_files(self, flags):
src_files = []
for fs in self._get_filesets(flags):
src_files += fs["files"]
_src_files = []
for f in src_files:
for filename, attributes in f.items():
attributes["name"] = filename
# Remove all key-value-pairs with values that are either bool with
# value False or str of length 0
attributes = {
k: v
for k, v in attributes.items()
if (type(v) == bool and v == True)
or (type(v) == str and len(v)) > 0
or (type(v) == list and len(v)) > 0
}
_src_files.append(attributes)
return _src_files
def get_generators(self, flags={}):
cd_generators = self._coredata.get_generators(flags)
generators = {}
for k, v in cd_generators.items():
v.update({"root": self.files_root})
generators[k] = v
return generators
def get_virtuals(self, flags={}):
"""Get a list of "virtual" VLNVs provided by this core."""
return [Vlnv(x) for x in self._coredata.get_virtual(flags)]
def get_parameters(self, flags={}, ext_parameters={}):
def _parse_param_value(name, datatype, default):
if datatype == "bool":
if type(default) == str:
if default.lower() == "true":
return True
elif default.lower() == "false":
return False
else:
_s = "{}: Invalid default value '{}' for bool parameter {}"
raise SyntaxError(_s.format(self.name, default, p))
return default
elif datatype == "int":
if type(default) == int:
return default
else:
return int(default, 0)
elif datatype == "real":
if type(default) == float:
return default
else:
return float(default)
else:
return str(default)
def _parse_param(flags, name, core_param):
parsed_param = {}
datatype = core_param["datatype"]
paramtype = core_param["paramtype"]
description = (
core_param["description"] if "description" in core_param else ""
)
if not datatype in ["bool", "file", "int", "real", "str"]:
_s = "{} : Invalid datatype '{}' for parameter {}"
raise SyntaxError(_s.format(self.name, datatype, p))
if not paramtype in [
"cmdlinearg",
"generic",
"plusarg",
"vlogdefine",
"vlogparam",
]:
_s = "{} : Invalid paramtype '{}' for parameter {}"
raise SyntaxError(_s.format(self.name, paramtype, p))
parsed_param = {
"datatype": str(core_param["datatype"]),
"paramtype": paramtype,
}
if description:
parsed_param["description"] = str(description)
if "default" in core_param:
parsed_param["default"] = _parse_param_value(
name, datatype, core_param["default"]
)
return parsed_param
self._debug("Getting parameters for flags '{}'".format(str(flags)))
target_name, target = self._get_target(flags)
parameters = {}
if "parameters" in target:
for _param in target["parameters"]:
plist = _param.split("=", 1)
p = plist[0]
# parse might have left us with an empty string for the parameter name
# In that case, just go to the next parameter
if not p:
continue
cd_parameters = self._coredata.get_parameters(flags)
# The parameter exists either in this core...
if p in cd_parameters:
parameters[p] = _parse_param(flags, p, cd_parameters[p])
# ...or in any of its dependencies
elif p in ext_parameters:
parameters[p] = ext_parameters[p]
datatype = parameters[p]["datatype"]
else:
raise SyntaxError(
"Parameter '{}', requested by target '{}', was not found".format(
p, target_name
)
)
# Set default value
if len(plist) > 1:
parameters[p]["default"] = _parse_param_value(
p, parameters[p]["datatype"], plist[1]
)
# If default is a string and it is empty it should be deleted
if (
"default" in parameters[p]
and type(parameters[p]["default"]) == str
and len(parameters[p]["default"]) == 0
):
del parameters[p]["default"]
self._debug(f"Found parameters {parameters}")
return parameters
def get_toplevel(self, flags):
_flags = flags.copy()
_flags["is_toplevel"] = True # FIXME: Is this correct?
self._debug("Getting toplevel for flags {}".format(str(_flags)))
target_name, target = self._get_target(_flags)
if "toplevel" in target:
toplevel = target["toplevel"]
self._debug(f"Matched toplevel {toplevel}")
return " ".join(toplevel) if type(toplevel) == list else toplevel
else:
s = "{} : Target '{}' has no toplevel"
raise SyntaxError(s.format(self.name, target_name))
def get_ttptttg(self, flags):
self._debug("Getting ttptttg for flags {}".format(str(flags)))
target_name, target = self._get_target(flags)
ttptttg = []
if not target:
return ttptttg
_ttptttg = []
if "generate" in target:
for f in target["generate"]:
if type(f) == str:
_ttptttg.append({"name": f, "params": {}})
elif type(f) == dict:
for k, v in f.items():
_ttptttg.append({"name": k, "params": v})
if _ttptttg:
self._debug(f" Matched generator instances {_ttptttg}")
for gen in _ttptttg:
gen_name = gen["name"]
cd_generate = self._coredata.get_generate(flags)
if not gen_name in cd_generate:
raise SyntaxError(
"Generator instance '{}', requested by target '{}', was not found".format(
gen_name, target_name
)
)
gen_inst = cd_generate[gen_name]
params = (
utils.merge_dict(gen_inst["parameters"], gen["params"])
if "parameters" in gen_inst
else {}
)
t = {
"name": gen_name,
"generator": str(gen_inst["generator"]),
"config": dict(params),
"pos": str(
cd_generate[gen_name]["position"]
if "position" in cd_generate[gen_name]
else "append"
),
}
ttptttg.append(t)
return ttptttg
def _get_vpi(self, flags):
vpi = {}
target_name, target = self._get_target(flags)
if not target:
return vpi
cd_filesets = self._coredata.get_filesets(flags)
for vpi_name in target.get("vpi", []):
cd_vpi_lib = self._coredata.get_vpi(flags)
files = []
incfiles = [] # Really do this automatically?
libs = []
if vpi_name in cd_vpi_lib:
for fs in cd_vpi_lib[vpi_name].get("filesets", []):
for f in cd_filesets[fs]["files"]:
for k, v in f.items():
if v["is_include_file"]:
incfiles.append(k)
else:
files.append(k)
for lib in cd_vpi_lib[vpi_name].get("libs", []):
libs.append(lib)
vpi[vpi_name] = {
"src_files": files,
"inc_files": incfiles,
"libs": [l for l in libs],
}
return vpi
def get_vpi(self, flags):
self._debug(f"Getting VPI libraries for flags {flags}")
target_name, target = self._get_target(flags)
vpi = []
_vpi = self._get_vpi(flags)
self._debug(" Matched VPI libraries {}".format([v for v in _vpi]))
for k, v in sorted(_vpi.items()):
vpi.append(
{
"name": k,
"src_files": [f for f in v["src_files"]],
"include_dirs": utils.unique_dirs(v["inc_files"]),
"libs": v["libs"],
}
)
return vpi
def info(self):
s = """CORE INFO
Name: {}
Description: {}
Core root: {}
Core file: {}
Targets:
{}"""
cd_target = self._coredata.get_targets({})
if cd_target:
l = max(len(x) for x in cd_target)
targets = ""
for t in sorted(cd_target):
targets += "{} : {}\n".format(
t.ljust(l),
cd_target[t]["description"]
if "description" in cd_target[t]
else "<No description>",
)
else:
targets = "<No targets>"
return s.format(
str(self.name),
str(self.get_description() or "<No description>"),
str(self.core_root),
str(self.core_basename),
targets,
)
def patch(self, dst_dir):
# FIXME: Use native python patch instead
patches = self.provider.patches
for f in patches:
patch_file = os.path.abspath(os.path.join(self.core_root, f))
if os.path.isfile(patch_file):
self._debug(
" applying patch file: "
+ patch_file
+ "\n"
+ " to: "
+ os.path.join(dst_dir)
)
try:
utils.Launcher(
"git",
[
"apply",
"--unsafe-paths",
"--directory",
os.path.join(dst_dir),
patch_file,
],
).run()
except OSError:
print("Error: Failed to call external command 'patch'")
return False
return True
def setup(self):
if self.provider:
if self.provider.fetch():
self.patch(self.files_root)
def _debug(self, msg):
logger.debug("{} : {}".format(str(self.name), msg))
def _get_target(self, flags):
self._debug(" Resolving target for flags '{}'".format(str(flags)))
cd_target = self._coredata.get_targets(flags)
target_name = None
if flags.get("is_toplevel") and flags.get("target"):
target_name = flags.get("target")
else:
target_name = "default"
if target_name in cd_target:
self._debug(f" Matched target {target_name}")
return target_name, cd_target[target_name]
else:
self._debug("Matched no target")
return target_name, {}
def _get_filesets(self, flags):
self._debug("Getting filesets for flags '{}'".format(str(flags)))
target_name, target = self._get_target(flags)
if not target:
return []
filesets = []
cd_filesets = self._coredata.get_filesets(flags)
for fs in target.get("filesets", []):
if not fs in cd_filesets:
raise SyntaxError(
"{} : Fileset '{}', requested by target '{}', was not found".format(
self.name, fs, target_name
)
)
filesets.append(cd_filesets[fs])
self._debug(" Matched filesets " + str(target.get("filesets")))
return filesets
def get_name(self):
return self.name
def get_description(self):
return self._coredata.get_description()