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author | Gabe Black <gabeblack@google.com> | 2018-12-08 01:58:26 -0800 |
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committer | Gabe Black <gabeblack@google.com> | 2019-01-09 01:31:53 +0000 |
commit | 7364acfc758a30f81aa75844f6b96b1e4e19990a (patch) | |
tree | 1b38a95be59607d1199d3ba52b46d04afc4cbee4 /src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_channels/tlm_fifo/tlm_fifo_put_get.h | |
parent | 3e1e21da61d79b79534a18398b1dde2cc4e473cb (diff) | |
download | gem5-7364acfc758a30f81aa75844f6b96b1e4e19990a.tar.xz |
systemc: Initial import of TLM headers from Accellera.
These headers will need to be cleaned up and have some Accellera
specific quirks ironed out of them, but I'll do that in a later change
to make it clear what those changes are.
Change-Id: Ia4e08633ab552b4c616c66c9b7e2bbd78ebfe7b9
Reviewed-on: https://gem5-review.googlesource.com/c/15055
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
Diffstat (limited to 'src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_channels/tlm_fifo/tlm_fifo_put_get.h')
-rw-r--r-- | src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_channels/tlm_fifo/tlm_fifo_put_get.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_channels/tlm_fifo/tlm_fifo_put_get.h b/src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_channels/tlm_fifo/tlm_fifo_put_get.h new file mode 100644 index 000000000..2728e0394 --- /dev/null +++ b/src/systemc/ext/tlm_core/tlm_1/tlm_req_rsp/tlm_channels/tlm_fifo/tlm_fifo_put_get.h @@ -0,0 +1,140 @@ +/***************************************************************************** + + 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_FIFO_PUT_GET_IF_H__ +#define __TLM_FIFO_PUT_GET_IF_H__ + +namespace tlm { + +/****************************************************************** +// +// get interface +// +******************************************************************/ + +template <typename T> +inline +T +tlm_fifo<T>::get( tlm_tag<T> * ) +{ + + while( is_empty() ) { + wait( m_data_written_event ); + } + + m_num_read ++; + request_update(); + + return buffer.read(); + +} + +// non-blocking read + +template <typename T> +inline +bool +tlm_fifo<T>::nb_get( T& val_ ) +{ + + if( is_empty() ) { + return false; + } + + m_num_read ++; + request_update(); + + val_ = buffer.read(); + + return true; + +} + +template <typename T> +inline +bool +tlm_fifo<T>::nb_can_get( tlm_tag<T> * ) const { + + return !is_empty(); + +} + + +/****************************************************************** +// +// put interface +// +******************************************************************/ + +template <typename T> +inline +void +tlm_fifo<T>::put( const T& val_ ) +{ + while( is_full() ) { + wait( m_data_read_event ); + } + + if( buffer.is_full() ) { + + buffer.resize( buffer.size() * 2 ); + + } + + m_num_written ++; + buffer.write( val_ ); + + request_update(); +} + +template <typename T> +inline +bool +tlm_fifo<T>::nb_put( const T& val_ ) +{ + + if( is_full() ) { + return false; + } + + if( buffer.is_full() ) { + + buffer.resize( buffer.size() * 2 ); + + } + + m_num_written ++; + buffer.write( val_ ); + request_update(); + + return true; +} + +template < typename T > +inline +bool +tlm_fifo<T>::nb_can_put( tlm_tag<T> * ) const { + + return !is_full(); + +} + +} // namespace tlm + +#endif |