| /***************************************************************************** |
| |
| 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. |
| |
| *****************************************************************************/ |
| |
| #ifndef __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_RESIZE_HH__ |
| #define __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_RESIZE_HH__ |
| |
| // Resize interface. |
| namespace tlm |
| { |
| |
| template <typename T> |
| inline void |
| tlm_fifo<T>::nb_expand(unsigned int n) |
| { |
| if (m_size >= 0) { |
| m_expand = true; |
| m_size += n; |
| request_update(); |
| } |
| } |
| |
| template <typename T> |
| inline void |
| tlm_fifo<T>::nb_unbound(unsigned int n) |
| { |
| m_expand = true; |
| m_size = -n; |
| |
| if (buffer.size() < static_cast<int>(n)) { |
| buffer.resize(n); |
| } |
| |
| request_update(); |
| } |
| |
| template <typename T> |
| inline bool |
| tlm_fifo<T>::nb_reduce(unsigned int n) |
| { |
| if (m_size < 0) { |
| return false; |
| } |
| |
| return nb_bound(size() - n); |
| } |
| |
| template <typename T> |
| inline bool |
| tlm_fifo<T>::nb_bound(unsigned int new_size) |
| { |
| bool ret = true; |
| |
| if (static_cast<int>(new_size) < used()) { |
| new_size = used(); |
| ret = false; |
| } |
| |
| m_size = new_size; |
| return ret; |
| } |
| |
| } // namespace tlm |
| |
| #endif /* __TLM_CORE_1_REQ_RSP_CHANNELS_FIFO_FIFO_RESIZE_HH__ */ |