diff options
Diffstat (limited to 'src/python/m5')
| -rw-r--r-- | src/python/m5/SimObject.py | 278 | ||||
| -rw-r--r-- | src/python/m5/params.py | 150 |
2 files changed, 428 insertions, 0 deletions
diff --git a/src/python/m5/SimObject.py b/src/python/m5/SimObject.py index 9f4c2c155..40203a307 100644 --- a/src/python/m5/SimObject.py +++ b/src/python/m5/SimObject.py @@ -114,6 +114,279 @@ def public_value(key, value): isinstance(value, (FunctionType, MethodType, ModuleType, classmethod, type)) +def createCxxConfigDirectoryEntryFile(code, name, simobj, is_header): + entry_class = 'CxxConfigDirectoryEntry_%s' % name + param_class = '%sCxxConfigParams' % name + + code('#include "params/%s.hh"' % name) + + if not is_header: + for param in simobj._params.values(): + if isSimObjectClass(param.ptype): + code('#include "%s"' % param.ptype._value_dict['cxx_header']) + code('#include "params/%s.hh"' % param.ptype.__name__) + else: + param.ptype.cxx_ini_predecls(code) + + if is_header: + member_prefix = '' + end_of_decl = ';' + code('#include "sim/cxx_config.hh"') + code() + code('class ${param_class} : public CxxConfigParams,' + ' public ${name}Params') + code('{') + code(' private:') + code.indent() + code('class DirectoryEntry : public CxxConfigDirectoryEntry') + code('{') + code(' public:') + code.indent() + code('DirectoryEntry();'); + code() + code('CxxConfigParams *makeParamsObject() const') + code('{ return new ${param_class}; }') + code.dedent() + code('};') + code() + code.dedent() + code(' public:') + code.indent() + else: + member_prefix = '%s::' % param_class + end_of_decl = '' + code('#include "%s"' % simobj._value_dict['cxx_header']) + code('#include "base/str.hh"') + code('#include "cxx_config/${name}.hh"') + + if simobj._ports.values() != []: + code('#include "mem/mem_object.hh"') + code('#include "mem/port.hh"') + + code() + code('${member_prefix}DirectoryEntry::DirectoryEntry()'); + code('{') + + def cxx_bool(b): + return 'true' if b else 'false' + + code.indent() + for param in simobj._params.values(): + is_vector = isinstance(param, m5.params.VectorParamDesc) + is_simobj = issubclass(param.ptype, m5.SimObject.SimObject) + + code('parameters["%s"] = new ParamDesc("%s", %s, %s);' % + (param.name, param.name, cxx_bool(is_vector), + cxx_bool(is_simobj))); + + for port in simobj._ports.values(): + is_vector = isinstance(port, m5.params.VectorPort) + is_master = port.role == 'MASTER' + + code('ports["%s"] = new PortDesc("%s", %s, %s);' % + (port.name, port.name, cxx_bool(is_vector), + cxx_bool(is_master))) + + code.dedent() + code('}') + code() + + code('bool ${member_prefix}setSimObject(const std::string &name,') + code(' SimObject *simObject)${end_of_decl}') + + if not is_header: + code('{') + code.indent() + code('bool ret = true;') + code() + code('if (false) {') + for param in simobj._params.values(): + is_vector = isinstance(param, m5.params.VectorParamDesc) + is_simobj = issubclass(param.ptype, m5.SimObject.SimObject) + + if is_simobj and not is_vector: + code('} else if (name == "${{param.name}}") {') + code.indent() + code('this->${{param.name}} = ' + 'dynamic_cast<${{param.ptype.cxx_type}}>(simObject);') + code('if (simObject && !this->${{param.name}})') + code(' ret = false;') + code.dedent() + code('} else {') + code(' ret = false;') + code('}') + code() + code('return ret;') + code.dedent() + code('}') + + code() + code('bool ${member_prefix}setSimObjectVector(' + 'const std::string &name,') + code(' const std::vector<SimObject *> &simObjects)${end_of_decl}') + + if not is_header: + code('{') + code.indent() + code('bool ret = true;') + code() + code('if (false) {') + for param in simobj._params.values(): + is_vector = isinstance(param, m5.params.VectorParamDesc) + is_simobj = issubclass(param.ptype, m5.SimObject.SimObject) + + if is_simobj and is_vector: + code('} else if (name == "${{param.name}}") {') + code.indent() + code('this->${{param.name}}.clear();') + code('for (auto i = simObjects.begin(); ' + 'ret && i != simObjects.end(); i ++)') + code('{') + code.indent() + code('${{param.ptype.cxx_type}} object = ' + 'dynamic_cast<${{param.ptype.cxx_type}}>(*i);') + code('if (*i && !object)') + code(' ret = false;') + code('else') + code(' this->${{param.name}}.push_back(object);') + code.dedent() + code('}') + code.dedent() + code('} else {') + code(' ret = false;') + code('}') + code() + code('return ret;') + code.dedent() + code('}') + + code() + code('void ${member_prefix}setName(const std::string &name_)' + '${end_of_decl}') + + if not is_header: + code('{') + code.indent() + code('this->name = name_;') + code('this->pyobj = NULL;') + code.dedent() + code('}') + + if is_header: + code('const std::string &${member_prefix}getName()') + code('{ return this->name; }') + + code() + code('bool ${member_prefix}setParam(const std::string &name,') + code(' const std::string &value, const Flags flags)${end_of_decl}') + + if not is_header: + code('{') + code.indent() + code('bool ret = true;') + code() + code('if (false) {') + for param in simobj._params.values(): + is_vector = isinstance(param, m5.params.VectorParamDesc) + is_simobj = issubclass(param.ptype, m5.SimObject.SimObject) + + if not is_simobj and not is_vector: + code('} else if (name == "${{param.name}}") {') + code.indent() + param.ptype.cxx_ini_parse(code, + 'value', 'this->%s' % param.name, 'ret =') + code.dedent() + code('} else {') + code(' ret = false;') + code('}') + code() + code('return ret;') + code.dedent() + code('}') + + code() + code('bool ${member_prefix}setParamVector(' + 'const std::string &name,') + code(' const std::vector<std::string> &values,') + code(' const Flags flags)${end_of_decl}') + + if not is_header: + code('{') + code.indent() + code('bool ret = true;') + code() + code('if (false) {') + for param in simobj._params.values(): + is_vector = isinstance(param, m5.params.VectorParamDesc) + is_simobj = issubclass(param.ptype, m5.SimObject.SimObject) + + if not is_simobj and is_vector: + code('} else if (name == "${{param.name}}") {') + code.indent() + code('${{param.name}}.clear();') + code('for (auto i = values.begin(); ' + 'ret && i != values.end(); i ++)') + code('{') + code.indent() + code('${{param.ptype.cxx_type}} elem;') + param.ptype.cxx_ini_parse(code, + '*i', 'elem', 'ret =') + code('if (ret)') + code(' this->${{param.name}}.push_back(elem);') + code.dedent() + code('}') + code.dedent() + code('} else {') + code(' ret = false;') + code('}') + code() + code('return ret;') + code.dedent() + code('}') + + code() + code('bool ${member_prefix}setPortConnectionCount(' + 'const std::string &name,') + code(' unsigned int count)${end_of_decl}') + + if not is_header: + code('{') + code.indent() + code('bool ret = true;') + code() + code('if (false)') + code(' ;') + for port in simobj._ports.values(): + code('else if (name == "${{port.name}}")') + code(' this->port_${{port.name}}_connection_count = count;') + code('else') + code(' ret = false;') + code() + code('return ret;') + code.dedent() + code('}') + + code() + code('SimObject *${member_prefix}simObjectCreate()${end_of_decl}') + + if not is_header: + code('{') + if hasattr(simobj, 'abstract') and simobj.abstract: + code(' return NULL;') + else: + code(' return this->create();') + code('}') + + if is_header: + code() + code('static CxxConfigDirectoryEntry' + ' *${member_prefix}makeDirectoryEntry()') + code('{ return new DirectoryEntry; }') + + if is_header: + code.dedent() + code('};') + # The metaclass for SimObject. This class controls how new classes # that derive from SimObject are instantiated, and provides inherited # class behavior (just like a class controls how instances of that @@ -583,6 +856,11 @@ struct PyObject; code('#endif // __PARAMS__${cls}__') return code + # Generate the C++ declaration/definition files for this SimObject's + # param struct to allow C++ initialisation + def cxx_config_param_file(cls, code, is_header): + createCxxConfigDirectoryEntryFile(code, cls.__name__, cls, is_header) + return code # This *temporary* definition is required to support calls from the # SimObject class definition to the MetaSimObject methods (in diff --git a/src/python/m5/params.py b/src/python/m5/params.py index f16cabaff..b7df7c660 100644 --- a/src/python/m5/params.py +++ b/src/python/m5/params.py @@ -120,6 +120,18 @@ class ParamValue(object): def config_value(self): return str(self) + # Prerequisites for .ini parsing with cxx_ini_parse + @classmethod + def cxx_ini_predecls(cls, code): + pass + + # parse a .ini file entry for this param from string expression + # src into lvalue dest (of the param's C++ type) + @classmethod + def cxx_ini_parse(cls, code, src, dest, ret): + code('// Unhandled param type: %s' % cls.__name__) + code('%s false;' % ret) + # allows us to blithely call unproxy() on things without checking # if they're really proxies or not def unproxy(self, base): @@ -454,6 +466,11 @@ class String(ParamValue,str): self = value return value + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s = %s;' % (dest, src)) + code('%s true;' % ret) + def getValue(self): return self @@ -500,6 +517,19 @@ class NumericParamValue(ParamValue): def config_value(self): return self.value + @classmethod + def cxx_ini_predecls(cls, code): + # Assume that base/str.hh will be included anyway + # code('#include "base/str.hh"') + pass + + # The default for parsing PODs from an .ini entry is to extract from an + # istringstream and let overloading choose the right type according to + # the dest type. + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s to_number(%s, %s);' % (ret, src, dest)) + # Metaclass for bounds-checked integer parameters. See CheckedInt. class CheckedIntType(MetaParamValue): def __init__(cls, name, bases, dict): @@ -592,6 +622,20 @@ class Cycles(CheckedInt): from m5.internal.core import Cycles return Cycles(self.value) + @classmethod + def cxx_ini_predecls(cls, code): + # Assume that base/str.hh will be included anyway + # code('#include "base/str.hh"') + pass + + @classmethod + def cxx_ini_parse(cls, code, src, dest, ret): + code('uint64_t _temp;') + code('bool _ret = to_number(%s, _temp);' % src) + code('if (_ret)') + code(' %s = Cycles(_temp);' % dest) + code('%s _ret;' % ret) + class Float(ParamValue, float): cxx_type = 'double' cmdLineSettable = True @@ -613,6 +657,14 @@ class Float(ParamValue, float): def config_value(self): return self + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <sstream>') + + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s (std::istringstream(%s) >> %s).eof();' % (ret, src, dest)) + class MemorySize(CheckedInt): cxx_type = 'uint64_t' ex_str = '512MB' @@ -738,6 +790,24 @@ class AddrRange(ParamValue): def swig_predecls(cls, code): Addr.swig_predecls(code) + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <sstream>') + + @classmethod + def cxx_ini_parse(cls, code, src, dest, ret): + code('uint64_t _start, _end;') + code('char _sep;') + code('std::istringstream _stream(${src});') + code('_stream >> _start;') + code('_stream.get(_sep);') + code('_stream >> _end;') + code('bool _ret = !_stream.fail() &&' + '_stream.eof() && _sep == \':\';') + code('if (_ret)') + code(' ${dest} = AddrRange(_start, _end);') + code('${ret} _ret;') + def getValue(self): # Go from the Python class to the wrapped C++ class generated # by swig @@ -783,6 +853,16 @@ class Bool(ParamValue): def config_value(self): return self.value + @classmethod + def cxx_ini_predecls(cls, code): + # Assume that base/str.hh will be included anyway + # code('#include "base/str.hh"') + pass + + @classmethod + def cxx_ini_parse(cls, code, src, dest, ret): + code('%s to_bool(%s, %s);' % (ret, src, dest)) + def IncEthernetAddr(addr, val = 1): bytes = map(lambda x: int(x, 16), addr.split(':')) bytes[5] += val @@ -850,6 +930,11 @@ class EthernetAddr(ParamValue): def ini_str(self): return self.value + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s = Net::EthAddr(%s);' % (dest, src)) + code('%s true;' % ret) + # When initializing an IpAddress, pass in an existing IpAddress, a string of # the form "a.b.c.d", or an integer representing an IP. class IpAddress(ParamValue): @@ -1154,6 +1239,16 @@ class Time(ParamValue): assert false return str(self) + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <time.h>') + + @classmethod + def cxx_ini_parse(cls, code, src, dest, ret): + code('char *_parse_ret = strptime((${src}).c_str(),') + code(' "%a %b %d %H:%M:%S %Y", &(${dest}));') + code('${ret} _parse_ret && *_parse_ret == \'\\0\';'); + # Enumerated types are a little more complex. The user specifies the # type as Enum(foo) where foo is either a list or dictionary of # alternatives (typically strings, but not necessarily so). (In the @@ -1306,6 +1401,19 @@ class Enum(ParamValue): def swig_predecls(cls, code): code('%import "python/m5/internal/enum_$0.i"', cls.__name__) + @classmethod + def cxx_ini_parse(cls, code, src, dest, ret): + code('if (false) {') + for elem_name in cls.map.iterkeys(): + code('} else if (%s == "%s") {' % (src, elem_name)) + code.indent() + code('%s = Enums::%s;' % (dest, elem_name)) + code('%s true;' % ret) + code.dedent() + code('} else {') + code(' %s false;' % ret) + code('}') + def getValue(self): return int(self.map[self.value]) @@ -1336,6 +1444,16 @@ class TickParamValue(NumericParamValue): def getValue(self): return long(self.value) + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <sstream>') + + # Ticks are expressed in seconds in JSON files and in plain + # Ticks in .ini files. Switch based on a config flag + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('${ret} to_number(${src}, ${dest});') + class Latency(TickParamValue): ex_str = "100ns" @@ -1485,6 +1603,14 @@ class Voltage(float,ParamValue): def ini_str(self): return '%f' % self.getValue() + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <sstream>') + + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s (std::istringstream(%s) >> %s).eof();' % (ret, src, dest)) + class Current(float, ParamValue): cxx_type = 'double' ex_str = "1mA" @@ -1510,6 +1636,14 @@ class Current(float, ParamValue): def ini_str(self): return '%f' % self.getValue() + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <sstream>') + + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s (std::istringstream(%s) >> %s).eof();' % (ret, src, dest)) + class NetworkBandwidth(float,ParamValue): cxx_type = 'float' ex_str = "1Gbps" @@ -1541,6 +1675,14 @@ class NetworkBandwidth(float,ParamValue): def config_value(self): return '%f' % self.getValue() + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <sstream>') + + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s (std::istringstream(%s) >> %s).eof();' % (ret, src, dest)) + class MemoryBandwidth(float,ParamValue): cxx_type = 'float' ex_str = "1GB/s" @@ -1571,6 +1713,14 @@ class MemoryBandwidth(float,ParamValue): def config_value(self): return '%f' % self.getValue() + @classmethod + def cxx_ini_predecls(cls, code): + code('#include <sstream>') + + @classmethod + def cxx_ini_parse(self, code, src, dest, ret): + code('%s (std::istringstream(%s) >> %s).eof();' % (ret, src, dest)) + # # "Constants"... handy aliases for various values. # |