diff options
Diffstat (limited to 'src/systemc/tlm_core/2/generic_payload/phase.cc')
-rw-r--r-- | src/systemc/tlm_core/2/generic_payload/phase.cc | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/systemc/tlm_core/2/generic_payload/phase.cc b/src/systemc/tlm_core/2/generic_payload/phase.cc new file mode 100644 index 000000000..2c8b1e1a0 --- /dev/null +++ b/src/systemc/tlm_core/2/generic_payload/phase.cc @@ -0,0 +1,111 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with the + License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +#include <cstring> +#include <map> +#include <systemc> +#include <tlm> + +using sc_core::sc_string_view; +using sc_core::sc_type_index; + +namespace tlm +{ + +namespace +{ + +struct tlm_phase_registry +{ + typedef unsigned int key_type; + + static tlm_phase_registry & + instance() + { + static tlm_phase_registry inst; + return inst; + } + + unsigned int + register_phase(sc_type_index type, sc_string_view name) + { + type_map::const_iterator it = ids_.find(type); + + if (name.empty()) { + SC_REPORT_FATAL( sc_core::SC_ID_INTERNAL_ERROR_, + "unexpected empty tlm_phase name" ); + return UNINITIALIZED_PHASE; + } + + if (it == ids_.end()) { + // new phase - generate/store ID and name + type_map::value_type v(type, static_cast<key_type>(names_.size())); + names_.push_back(name_table::value_type(name.data(), name.size())); + ids_.insert(v); + return v.second; + } + + if (names_[it->second] != name) { + SC_REPORT_FATAL(sc_core::SC_ID_INTERNAL_ERROR_, + "tlm_phase registration failed: duplicate type info" ); + sc_core::sc_abort(); + } + return it->second; + } + + const char * + get_name(key_type id) const + { + sc_assert(id < names_.size()); + return names_[id].c_str(); + } + + private: + typedef std::map<sc_type_index, key_type> type_map; + typedef std::vector<std::string> name_table; + + type_map ids_; + name_table names_; + + tlm_phase_registry() : names_(END_RESP + 1) + { + names_[UNINITIALIZED_PHASE] = "UNINITIALIZED_PHASE"; + names_[BEGIN_REQ] = "BEGIN_REQ"; + names_[END_REQ] = "END_REQ"; + names_[BEGIN_RESP] = "BEGIN_RESP"; + names_[END_RESP] = "END_RESP"; + } +}; + +} // anonymous namespace + +tlm_phase::tlm_phase(unsigned int id) : m_id(id) +{} + +tlm_phase::tlm_phase(const std::type_info &type, const char *name) : + m_id(tlm_phase_registry::instance().register_phase(type, name)) +{} + +const char * +tlm_phase::get_name() const +{ + return tlm_phase_registry::instance().get_name(m_id); +} + +} // namespace tlm |