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/*****************************************************************************
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 <systemc>
#include <tlm>
namespace tlm
{
tlm_global_quantum::tlm_global_quantum() :
m_global_quantum(sc_core::SC_ZERO_TIME)
{}
tlm_global_quantum &
tlm_global_quantum::instance()
{
static tlm_global_quantum instance_;
return instance_;
}
sc_core::sc_time
tlm_global_quantum::compute_local_quantum()
{
if (m_global_quantum != sc_core::SC_ZERO_TIME) {
const sc_core::sc_time current = sc_core::sc_time_stamp();
const sc_core::sc_time g_quant = m_global_quantum;
return g_quant - (current % g_quant);
} else {
return sc_core::SC_ZERO_TIME;
}
}
} // namespace tlm
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