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# Copyright 2019 Google, Inc.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# 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;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# 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.
#
# Authors: Gabe Black
from __future__ import print_function
Import('*')
from m5.util.terminal import termcap
from m5.util.grammar import Grammar
from gem5_scons import Transform
import os.path
if env['USE_ARM_FASTMODEL']:
if not env['USE_SYSTEMC']:
print(termcap.Yellow + termcap.Bold +
'Warning: ARM Fast Models require systemc support' +
termcap.Normal)
env['USE_ARM_FASTMODEL'] = False
Return()
if not env['USE_ARM_FASTMODEL']:
Return()
systemc_home = Dir('#/src/systemc/ext/systemc_home')
env['ENV']['SYSTEMC_HOME'] = systemc_home.abspath
def extract_var(name):
if name not in env:
print(termcap.Red + termcap.Bold +
('Error: %s is not set' % name) +
termcap.Normal)
Exit(1)
print('%s = %s' % (name, env[name]))
# Make sure the value of this variable shows up as an environment variable
# for commands scons runs.
env['ENV'][name] = env[name]
return env[name]
pvlib_home, maxcore_home, armlmd_license_file = \
list(map(extract_var, ('PVLIB_HOME', 'MAXCORE_HOME',
'ARMLMD_LICENSE_FILE')))
pvlib_home = Dir(pvlib_home)
maxcore_home = Dir(maxcore_home)
armlmd_license_file = File(armlmd_license_file)
pvlib_flavor = env['PVLIB_FLAVOR']
pvlib_lib_dir = pvlib_home.Dir('lib').Dir(pvlib_flavor)
simulation_engine_name = 'libMAXCOREInitSimulationEngine.3.so'
simulation_engine_lib = pvlib_lib_dir.File(simulation_engine_name)
def staticify(env, name):
''' Check for a static version of the library named 'name', and if it
exists return a File node for it explicitly. Otherwise pass 'name'
through for normal processing.'''
static_name = env.subst('${LIBPREFIX}' + name + '${LIBSUFFIX}')
for path in env.Flatten(env['LIBPATH']):
full_name = Dir(path).File(static_name).get_abspath()
if os.path.isfile(full_name):
return File(full_name)
return name
# Adjust the build environment to support building in Fast Models.
env.Append(CCFLAGS='-pthread')
cpppaths = (
pvlib_home.Dir('include/fmruntime'),
pvlib_home.Dir('include/fmruntime/eslapi'),
pvlib_home.Dir('Iris/include'),
systemc_home.Dir('include'),
maxcore_home.Dir('AMBA-PV/include'),
)
env.Append(CPPPATH=cpppaths)
lib_paths = (
pvlib_lib_dir,
pvlib_home.Dir('Iris').Dir(pvlib_flavor),
)
env.Append(LIBPATH=lib_paths)
env.Append(RPATH=lib_paths)
libs = (
'components',
'pvbus',
'armctmodel',
'fmruntime',
'IrisSupport',
'dl',
'rt',
)
env.Append(LIBS=list(staticify(env, lib) for lib in libs))
class ProjectFileParser(Grammar):
class Param(object):
def __init__(self, is_object):
self.is_object = is_object
def __str__(self):
return self._to_str(0)
class StringParam(Param):
def __init__(self, name, value):
super(ProjectFileParser.StringParam, self).__init__(
is_object=False)
self.name = name
self.value = value
def _to_str(self, indent):
indent_str = " " * indent
return indent_str + self.name + ' = \"' + self.value + '\"'
class ObjectParam(Param):
def __init__(self, type_name, name, params):
super(ProjectFileParser.ObjectParam, self).__init__(
is_object=True)
self.type_name = type_name
self.name = name
self.params = params
def _to_str(self, indent):
indent_str = " " * indent
val = indent_str + self.type_name
if self.name is not None:
val += ' "' + self.name + '"'
val += "\n" + indent_str + "{\n"
for param in self.params:
val += param._to_str(indent + 1) + "\n"
val += indent_str + "}"
return val
#########
# Lexer #
#########
tokens = (
# identifier
'ID',
# string literal
'STRLIT',
# = { } ;
'EQUALS',
'LBRACE',
'RBRACE',
'SEMI',
)
t_ID = r'[A-Za-z_]\w*'
def t_STRLIT(self, t):
r'(?m)"([^"])*"'
# strip off quotes
t.value = t.value[1:-1]
t.lexer.lineno += t.value.count('\n')
return t
t_EQUALS = r'='
t_LBRACE = r'\{'
t_RBRACE = r'\}'
t_SEMI = r';'
def t_NEWLINE(self, t):
r'\n+'
t.lexer.lineno += t.value.count('\n')
t_ignore = ' \t\x0c'
##########
# Parser #
##########
def p_object(self, t):
'object : object_heading LBRACE params RBRACE'
t[0] = self.ObjectParam(t[1][0], t[1][1], t[3])
def p_object_heading_0(self, t):
'object_heading : ID STRLIT'
t[0] = (t[1], t[2])
def p_object_heading_1(self, t):
'object_heading : ID'
t[0] = (t[1], None)
def p_params_0(self, t):
'params : '
t[0] = []
def p_params_1(self, t):
'params : param params'
t[0] = [t[1]] + t[2]
def p_param_0(self, t):
'param : ID EQUALS STRLIT SEMI'
t[0] = self.StringParam(t[1], t[3])
def p_param_1(self, t):
'param : object'
t[0] = t[1]
class ArmFastModelComponent(object):
def __init__(self, project_file, *extra_deps):
project_file = File(project_file)
project_file_dir = project_file.Dir('.')
parser = ProjectFileParser()
proj = parser.parse_file(project_file.srcnode().abspath)
# Top level component.
tlc = None
# Config name.
config_name = None
# Scan for particular properties of the project.
for param in proj.params:
if not param.is_object:
if param.name == 'TOP_LEVEL_COMPONENT':
tlc = param.value
elif param.name == 'ACTIVE_CONFIG_LINUX':
config_name = param.value
assert tlc is not None and config_name is not None
simgen_dir = project_file_dir.Dir(config_name)
def simgen_static(name):
return simgen_dir.File(env.subst(
'${LIBPREFIX}%s${LIBSUFFIX}' % name))
def simgen_shared(name):
return simgen_dir.File(env.subst(
'${SHLIBPREFIX}%s${SHLIBSUFFIX}' % name))
static_libs = [
'scx-%s-%s' % (tlc, config_name),
'scx',
]
shared_libs = [
'%s-%s' % (tlc, config_name),
]
static_lib_nodes = map(simgen_static, static_libs)
shared_lib_nodes = map(simgen_shared, shared_libs)
# We need to use the static libraries as files so that the linker
# doesn't use the shared versions of them instead. We need to use
# the shared libraries by name so that the linker will apply RPATH
# and be able to find them at run time. If a shared libary includes
# a path, the dynamic linker will apparently ignore RPATH when looking
# for it.
lib_nodes = static_lib_nodes + shared_lib_nodes
gen_dir = simgen_dir.Dir('gen')
header = gen_dir.File('scx_evs_%s.h' % tlc)
self.headers = [header]
self.headerpaths = [gen_dir]
self.libs = static_lib_nodes + shared_libs
self.libpaths = [simgen_dir]
self.rpaths = [simgen_dir]
simgen_cmd = env.subst('${SIMGEN} -p %s --configuration %s -b ' +
'--verbose off --num-build-cpus 100 --build-dir %s') % \
(project_file.srcnode().abspath, config_name, simgen_dir.abspath)
if not GetOption('verbose'):
simgen_cmd += ' > /dev/null'
simgen_action = MakeAction(simgen_cmd, Transform('SIMGEN'))
sources = [project_file]
sources.extend(extra_deps)
env.Command(lib_nodes + self.headers, sources, simgen_action)
def prepare_env(self, env):
env.Append(LIBPATH=self.libpaths)
env.AddLocalRPATH(*self.rpaths)
env.Append(CPPPATH=self.headerpaths)
env.Prepend(LIBS=self.libs)
class ArmFastModelBin(Executable):
def __init__(self, target, *components_and_sources):
def is_component(x):
return isinstance(x, ArmFastModelComponent)
def not_component(x):
return not is_component(x)
components = list(filter(is_component, components_and_sources))
sources = list(filter(not_component, components_and_sources))
self.components = components
super(ArmFastModelBin, self).__init__(target, *sources)
@classmethod
def declare_all(cls, env):
env = env.Clone()
env.Prepend(LIBS=env['STATIC_LIB'][0])
super(ArmFastModelBin, cls).declare_all(env)
def declare(self, env):
env = env.Clone()
sources = list(self.sources)
for f in self.filters:
sources += Source.all.apply_filter(f)
objs = self.srcs_to_objs(env, sources)
objs = objs + env['MAIN_OBJS']
for component in self.components:
component.prepare_env(env)
binary = super(ArmFastModelBin, self).declare(env, objs)[0]
# We need a copy of the simulation engine lib alongside the executable
# so that the license check works properly.
local_engine = binary.File(simulation_engine_name)
Depends(binary, local_engine)
main.Command(local_engine, simulation_engine_lib,
MakeAction("cp ${SOURCE} ${TARGET}", Transform('COPY')))
Export('ArmFastModelComponent')
Export('ArmFastModelBin')
PySource('m5', 'arm_fast_model.py')
Source('fastmodel.cc')
SimObject('FastModel.py')
Source('amba_to_tlm_bridge.cc')
Source('amba_from_tlm_bridge.cc')
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