# Copyright (c) 2016, Xilinx, Inc.
# SPDX-License-Identifier: BSD-3-Clause
from os import path, listdir
import re
import warnings
[docs]class Module:
def __init__(self, root):
self.include_path = [
path.join(root, 'include')
]
self.library_path = []
self.libraries = []
library_path = path.join(root, 'lib')
if path.isdir(library_path):
self.library_path.append(library_path)
for f in listdir(self.library_path[0]):
match = re.match(r'lib(.*)\.(?:a|so)', f)
if match:
self.libraries.append(match.group(1))
self.sources = []
if path.isdir(path.join(root, 'src')):
for f in listdir(path.join(root, 'src')):
match = re.match(r'.*\.(c|cpp)$', f)
if match:
self.sources.append(path.join(root, 'src', f))
self.header = ""
for f in listdir(path.join(root, 'include')):
if re.match(r".*\.h$", f):
with open(path.join(root, 'include', f), 'r') as data:
self.header += data.read()
[docs]class BSPInstance:
def __init__(self, root):
contents = listdir(root)
if 'lscript.ld' not in contents:
raise RuntimeError("No linker script found in " + root)
subdirs = [x for x in contents if path.isdir(path.join(root, x))]
if len(subdirs) == 0:
raise RuntimeError("No subdirectory found in " + root)
if len(subdirs) > 1:
raise RuntimeError("Multiple subdirectories found in " + root)
bsp_root = path.join(root, subdirs[0])
self.include_path = [
path.join(bsp_root, 'include')
]
self.library_path = [
path.join(bsp_root, 'lib')
]
self.libraries = ['xil']
self.linker_script = path.join(root, 'lscript.ld')
self.mss = path.join(root, 'system.mss')
self.cflags = ['-Os']
extracflags = ['-mlittle-endian', '-mcpu=v11.0', '-mxl-soft-mul']
try:
found = False
with open(self.mss) as fp:
for line in fp:
words = line.strip().split()
if(len(words) > 2 and
words[0] == 'PARAMETER' and
words[1] == 'compiler_flags'):
extracflags = words[3:]
found = True
break
if not found:
message = "compiler_flags not found in {}: " \
"using default cflags".format(self.mss)
warnings.warn(message, UserWarning)
except FileNotFoundError:
message = "{} not found: using default cflags".format(self.mss)
warnings.warn(message, UserWarning)
self.cflags.extend(extracflags)
self.ldflags = {
'-Wl,--no-relax'
}
self.sources = []
if path.isdir(path.join(bsp_root, 'src')):
for f in listdir(path.join(bsp_root, 'src')):
match = re.match(r'.*\.(c|cpp)$', f)
if match:
self.sources.append(path.join(bsp_root, 'src', f))
SCRIPT_DIR = path.dirname(path.realpath(__file__))
MODULE_DIR = path.join(SCRIPT_DIR, 'modules')
BSPs = {}
Modules = {}
[docs]def add_bsp(directory):
BSPs[path.basename(directory)] = BSPInstance(directory)
[docs]def add_module_path(directory):
for filename in listdir(directory):
f = path.join(directory, filename)
if path.isdir(f):
Modules[filename] = Module(f)
add_module_path(MODULE_DIR)