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waf_libbsd.py
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# SPDX-License-Identifier: BSD-2-Clause
"""LibBSD build configuration to waf integration module.
"""
# Copyright (c) 2015, 2020 Chris Johns <[email protected]>. All rights reserved.
#
# Copyright (c) 2009, 2015 embedded brains GmbH. All rights reserved.
#
# embedded brains GmbH
# Dornierstr. 4
# 82178 Puchheim
# Germany
#
# Copyright (c) 2012 OAR Corporation. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
from __future__ import print_function
import os
import sys
import tempfile
import re
import builder
import rtems_waf.rtems as rtems
BUILDSET_DIR = builder.BUILDSET_DIR
BUILDSET_DEFAULT = builder.BUILDSET_DEFAULT
windows = os.name == 'nt'
if windows:
host_shell = 'sh -c '
else:
host_shell = ''
def _add_flags_if_not_present(current_flags, addional_flags):
for flag in addional_flags:
if flag not in current_flags:
current_flags.append(flag)
#
# The waf builder for libbsd.
#
class Builder(builder.ModuleManager):
def __init__(self, trace=False):
super(Builder, self).__init__()
self.trace = trace
self.data = {}
@staticmethod
def _sourceList(bld, files):
sources = []
if type(files) is dict:
for cfg in files:
if cfg in ['cflags', 'includes']:
continue
if cfg != 'default':
for c in cfg.split(' '):
if not bld.env['HAVE_%s' % (c)]:
continue
sources += sorted(files[cfg])
else:
sources = sorted(files)
return sources
def generate(self, rtems_version):
def _dataInsert(data, cpu, space, frag):
#
# The default handler returns None. Skip it.
#
if frag is not None:
# Start at the top of the tree
d = data
path = frag[0]
if path[0] not in d:
d[path[0]] = {}
# Select the sub-part of the tree as the compile options
# specialise how files are built.
d = d[path[0]]
# Group based on the space, ie kernel or user
if space not in d:
d[space] = {}
d = d[space]
if type(path[1]) is list:
p = ' '.join(path[1])
else:
p = path[1]
if p not in d:
d[p] = {}
d = d[p]
if cpu not in d:
d[cpu] = {}
config = frag[0][2][0]
if config != 'default':
if 'configure' not in data:
data['configure'] = {}
configTest = frag[1]['configTest']
if configTest not in data['configure']:
data['configure'][configTest] = {}
data['configure'][configTest][config] = frag[0][2][1]
if type(frag[1]) is list:
if config not in d[cpu]:
d[cpu][config] = []
d[cpu][config] += frag[1]
else:
d[cpu][config] = frag[1]
#
# The CPU is for files and the flags and includes are common.
#
if len(frag) > 3:
if 'cflags' not in d:
d['cflags'] = []
d['cflags'] += frag[2]
d['cflags'] = list(set(d['cflags']))
if len(frag) >= 3 and None not in frag[-1]:
if 'includes' not in d:
d['includes'] = []
d['includes'] += frag[-1]
d['includes'] = list(set(d['includes']))
self.generateBuild()
self.data = {}
enabled_modules = self.getEnabledModules()
for mn in enabled_modules:
m = self[mn]
enabled = True
for dep in m.dependencies:
if dep not in enabled_modules:
enabled = False
break
if enabled:
for f in m.files:
_dataInsert(self.data, 'all', f.getSpace(),
f.getFragment())
for cpu, files in sorted(m.cpuDependentSourceFiles.items()):
for f in files:
_dataInsert(self.data, cpu, f.getSpace(),
f.getFragment())
# Start here if you need to understand self.data. Add 'True or'
if self.trace:
import pprint
pprint.pprint(self.data)
def bsp_configure(self, conf, arch_bsp):
if 'configure' in self.data:
for configTest in self.data['configure']:
for cfg in self.data['configure'][configTest]:
if configTest == 'header':
for h in self.data['configure'][configTest][cfg]:
conf.check(header_name=h,
features="c",
includes=conf.env.IFLAGS,
mandatory=False)
elif configTest == 'library':
for l in self.data['configure'][configTest][cfg]:
if conf.check_cc(lib=l,
fragment=rtems.test_application(),
execute=False,
mandatory=False):
conf.env['HAVE_%s' % l.upper()] = True
else:
bld.fatal('invalid config test: %s' % (configTest))
section_flags = ["-fdata-sections", "-ffunction-sections"]
_add_flags_if_not_present(conf.env.CFLAGS, section_flags)
_add_flags_if_not_present(conf.env.CXXFLAGS, section_flags)
_add_flags_if_not_present(conf.env.LINKFLAGS, ["-Wl,--gc-sections"])
def build(self, bld):
#
# Localize the config.
#
config = self.getConfiguration()
module_header_path = "rtems/bsd"
module_header_name = "modules.h"
#
#
# C/C++ flags
#
common_flags = []
common_flags += ['-O%s' % (bld.env.OPTIMIZATION)]
if 'common-flags' in config:
common_flags += [f for f in config['common-flags']]
if bld.env.WARNINGS and 'common-warnings' in config:
common_flags += [f for f in config['common-warnings']]
elif 'common-no-warnings' in config:
common_flags += [f for f in config['common-no-warnings']]
if 'cflags' in config:
cflags = config['cflags'] + common_flags
if 'cxxflags' in config:
cxxflags = config['cxxflags'] + common_flags
#
# Defines
#
defines = []
if len(bld.env.FREEBSD_OPTIONS) > 0:
for o in bld.env.FREEBSD_OPTIONS.split(','):
defines += ['%s=1' % (o.strip().upper())]
#
# Include paths, maintain paths for each build space.
#
include_paths = config['include-paths']
if 'build' not in include_paths:
bld.fatal('no build include path found in include-path defaults')
buildinclude = include_paths['build']
if isinstance(buildinclude, list):
buildinclude = buildinclude[0]
inc_paths = sorted(include_paths)
inc_paths.remove('build')
inc_paths.remove('cpu')
includes = {}
for inc in inc_paths:
includes[inc] = include_paths[inc]
# cpu include paths must be the first searched
if 'cpu' in include_paths:
cpu = bld.get_env()['RTEMS_ARCH']
for i in include_paths['cpu']:
includes['kernel'].insert(0, i.replace('@CPU@', cpu))
includes['kernel'] += [buildinclude]
#
# Path mappings
#
if 'path-mappings' in config:
for source, target in config['path-mappings']:
for space in includes:
incs = includes[space]
if source in incs:
target = [target] if isinstance(target,
str) else target
i = incs.index(source)
incs.remove(source)
incs[i:i] = target
#
# Place the kernel include paths after the user paths
#
includes['user'] += includes['kernel']
#
# Collect the libbsd uses
#
libbsd_use = []
#
# Network test configuration
#
if not os.path.exists(bld.env.NET_CONFIG):
bld.fatal('network configuration \'%s\' not found' %
(bld.env.NET_CONFIG))
tags = [
'NET_CFG_INTERFACE_0', 'NET_CFG_SELF_IP', 'NET_CFG_NETMASK',
'NET_CFG_PEER_IP', 'NET_CFG_GATEWAY_IP'
]
try:
net_cfg_lines = open(bld.env.NET_CONFIG).readlines()
except:
bld.fatal('network configuration \'%s\' read failed' %
(bld.env.NET_CONFIG))
lc = 0
sed = 'sed '
for l in net_cfg_lines:
lc += 1
if l.strip().startswith('NET_CFG_'):
ls = l.split('=')
if len(ls) != 2:
bld.fatal('network configuration \'%s\' ' + \
'parse error: %d: %s' % (bld.env.NET_CONFIG, lc, l))
lhs = ls[0].strip()
rhs = ls[1].strip()
for t in tags:
if lhs == t:
sed += "-e 's/@%s@/%s/' " % (t, rhs)
bld(target="testsuite/include/rtems/bsd/test/network-config.h",
source="testsuite/include/rtems/bsd/test/network-config.h.in",
rule=sed + " < ${SRC} > ${TGT}",
update_outputs=True)
#
# Add a copy rule for all headers where the install path and the source
# path are not the same.
#
if 'header-paths' in config:
header_build_copy_paths = [
hp for hp in config['header-paths']
if hp[2] != '' and not hp[0].endswith(hp[2])
]
for headers in header_build_copy_paths:
target = os.path.join(buildinclude, headers[2])
start_dir = bld.path.find_dir(headers[0])
for header in start_dir.ant_glob(headers[1]):
relsourcepath = header.path_from(start_dir)
targetheader = os.path.join(target, relsourcepath)
bld(features='subst',
target=targetheader,
source=header,
is_copy=True)
#
# Generate a header that contains information about enabled modules
#
def rtems_libbsd_modules_h_gen(self):
output = ""
output += '/*\n'
output += ' * This file contains a list of modules that have been\n'
output += ' * enabled during libbsd build. It is a generated file\n'
output += ' * DO NOT EDIT MANUALLY.\n'
output += ' */'
output += '\n'
output += '#ifndef RTEMS_BSD_MODULES_H\n'
for mod in config['modules-enabled']:
modname = re.sub("[^A-Za-z0-9]", "_", mod.upper())
output += '#define RTEMS_BSD_MODULE_{} 1\n'.format(modname)
output += '#endif /* RTEMS_BSD_MODULES_H */\n'
self.outputs[0].write(output)
modules_h_file_with_path = os.path.join(buildinclude,
module_header_path,
module_header_name)
bld(rule=rtems_libbsd_modules_h_gen,
target=modules_h_file_with_path,
before=['c', 'cxx'])
#
# Add the specific rule based builders
#
#
# KVM Symbols
#
if 'KVMSymbols' in self.data:
kvmsymbols = self.data['KVMSymbols']['kernel']
if 'includes' in kvmsymbols['files']:
kvmsymbols_includes = kvmsymbols['files']['includes']
else:
kvmsymbols_includes = []
bld(target=kvmsymbols['files']['all']['default'][0],
source='rtemsbsd/rtems/generate_kvm_symbols',
rule=host_shell + './${SRC} > ${TGT}',
update_outputs=True)
bld.objects(target='kvmsymbols',
features='c',
cflags=cflags,
includes=kvmsymbols_includes + includes['kernel'],
source=kvmsymbols['files']['all']['default'][0])
libbsd_use += ["kvmsymbols"]
bld.add_group()
#
# RPC Generation
#
if 'RPCGen' in self.data:
if bld.env.AUTO_REGEN:
rpcgen = self.data['RPCGen']['user']
rpcname = rpcgen['files']['all']['default'][0][:-2]
bld(target=rpcname + '.h',
source=rpcname + '.x',
rule=host_shell + '${RPCGEN} -h -o ${TGT} ${SRC}')
#
# Route keywords
#
if 'RouteKeywords' in self.data:
if bld.env.AUTO_REGEN:
routekw = self.data['RouteKeywords']['user']
rkwname = routekw['files']['all']['default'][0]
rkw_rule = host_shell + "cat ${SRC} | " + \
"awk 'BEGIN { r = 0 } { if (NF == 1) " + \
"printf \"#define\\tK_%%s\\t%%d\\n\\t{\\\"%%s\\\", K_%%s},\\n\", " + \
"toupper($1), ++r, $1, toupper($1)}' > ${TGT}"
bld(target=rkwname + '.h', source=rkwname, rule=rkw_rule)
#
# Lex
#
if 'lex' in self.data:
lexes = self.data['lex']['user']
for l in sorted(lexes.keys()):
lex = lexes[l]['all']['default']
if 'cflags' in lex:
lexDefines = [d[2:] for d in lex['cflags']]
else:
lexDefines = []
if 'includes' in lex:
lexIncludes = lex['includes']
else:
lexIncludes = []
lex_rule = host_shell + '${LEX} -P ' + lex['sym'] + ' -t ${SRC} | ' + \
'sed -e \'/YY_BUF_SIZE/s/16384/1024/\' > ${TGT}'
if bld.env.AUTO_REGEN:
bld(target=lex['file'][:-2] + '.c',
source=lex['file'],
rule=lex_rule)
if lex['build']:
bld.objects(target='lex_%s' % (lex['sym']),
features='c',
cflags=cflags,
includes=lexIncludes + includes['user'],
defines=defines + lexDefines,
source=lex['file'][:-2] + '.c')
libbsd_use += ['lex_%s' % (lex['sym'])]
#
# Yacc
#
if 'yacc' in self.data:
yaccs = self.data['yacc']['user']
for y in sorted(yaccs.keys()):
yacc = yaccs[y]['all']['default']
yaccFile = yacc['file']
if yacc['sym'] is not None:
yaccSym = yacc['sym']
else:
yaccSym = os.path.basename(yaccFile)[:-2]
yaccHeader = '%s/%s' % (os.path.dirname(yaccFile),
yacc['header'])
if 'cflags' in yacc:
yaccDefines = [d[2:] for d in yacc['cflags']]
else:
yaccDefines = []
if 'includes' in yacc:
yaccIncludes = yacc['includes']
else:
yaccIncludes = []
yacc_rule = host_shell + '${YACC} -b ' + yaccSym + \
' -d -p ' + yaccSym + ' ${SRC} && ' + \
'sed -e \'/YY_BUF_SIZE/s/16384/1024/\' < ' + \
yaccSym + '.tab.c > ${TGT} && ' + \
'rm -f ' + yaccSym + '.tab.c && mv ' + yaccSym + '.tab.h ' + yaccHeader
if bld.env.AUTO_REGEN:
bld(target=yaccFile[:-2] + '.c',
source=yaccFile,
rule=yacc_rule)
if yacc['build']:
bld.objects(target='yacc_%s' % (yaccSym),
features='c',
cflags=cflags,
includes=yaccIncludes + includes['user'],
defines=defines + yaccDefines,
source=yaccFile[:-2] + '.c')
libbsd_use += ['yacc_%s' % (yaccSym)]
#
# We have 'm' different sets of flags and there can be 'n' cpus
# specific files for those flags.
#
objs = 0
for space in sorted(self.data['sources']):
sources = sorted(self.data['sources'][space])
if space == 'kernel' and 'default' in sources:
sources.remove('default')
for flags in sources:
objs += 1
build = self.data['sources'][space][flags]
target = 'objs%02d' % (objs)
bld_sources = Builder._sourceList(bld, build['all'])
archs = sorted(build)
for i in ['all', 'cflags', 'includes']:
if i in archs:
archs.remove(i)
for arch in archs:
if bld.get_env()['RTEMS_ARCH'] == arch:
bld_sources += Builder._sourceList(bld, build[arch])
bld_cflags = sorted(build.get('cflags', []))
if 'default' in bld_cflags:
bld_cflags.remove('default')
bld.objects(target=target,
features='c cxx',
cflags=cflags + bld_cflags,
cxxflags=cxxflags,
includes=sorted(build.get('includes', [])) +
includes[space],
defines=defines,
source=bld_sources)
libbsd_use += [target]
#
# We hold the kernel 'default' cflags set of files to the end to
# create the static library with.
#
build = self.data['sources']['kernel']['default']
bld_sources = Builder._sourceList(bld, build['all'])
archs = sorted(build)
archs.remove('all')
for arch in archs:
if bld.get_env()['RTEMS_ARCH'] == arch:
bld_sources += Builder._sourceList(bld, build[arch])
bld.stlib(target='bsd',
features='c cxx',
cflags=cflags,
cxxflags=cxxflags,
includes=includes['kernel'],
defines=defines,
source=bld_sources,
use=libbsd_use)
#
# Installs.
#
# Header file collector.
#
arch_lib_path = rtems.arch_bsp_lib_path(bld.env.RTEMS_VERSION,
bld.env.RTEMS_ARCH_BSP)
arch_inc_path = rtems.arch_bsp_include_path(bld.env.RTEMS_VERSION,
bld.env.RTEMS_ARCH_BSP)
bld.install_files("${PREFIX}/" + arch_lib_path, ["libbsd.a"])
if 'header-paths' in config:
headerPaths = config['header-paths']
cpu = bld.get_env()['RTEMS_ARCH']
for headers in headerPaths:
paths = [headers[0].replace('@CPU@', cpu)]
# Apply the path mappings
for source, targets in config['path-mappings']:
if source in paths:
i = paths.index(source)
paths.remove(source)
paths[i:i] = targets
for hp in paths:
# Get the dest path
ipath = os.path.join(arch_inc_path, headers[2])
start_dir = bld.path.find_dir(hp)
if start_dir != None:
bld.install_files("${PREFIX}/" + ipath,
start_dir.ant_glob(headers[1]),
cwd=start_dir,
relative_trick=True)
bld.install_files(os.path.join("${PREFIX}", arch_inc_path,
module_header_path),
modules_h_file_with_path,
cwd=bld.path)
#
# Tests
#
tests = []
if 'tests' in self.data:
tests = self.data['tests']['user']
enabled_modules = self.getEnabledModules()
for testName in sorted(tests):
test = tests[testName]['all']
test_source = []
libs = ['bsd', 'm', 'z', 'rtemstest']
for cfg in test:
build_test = True
for mod in test[cfg]['modules']:
if mod not in enabled_modules:
build_test = False
break
if build_test and cfg != 'default':
for c in cfg.split(' '):
if not bld.env['HAVE_%s' % (c)]:
build_test = False
break
if build_test:
test_sources = ['testsuite/%s/%s.c' % (testName, f) \
for f in test[cfg]['files']]
libs = test[cfg]['libs'] + libs
if build_test:
bld.program(target='%s.exe' % (testName),
features='cprogram',
cflags=cflags,
includes=includes['user'],
source=test_sources,
use=['bsd'],
lib=libs,
install_path=None)