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#ifndef _PIPEFIFO_HPP_
#define _PIPEFIFO_HPP_
#include "module.hpp"
template<class T> class PipelineFIFO : public Module {
int _lanes;
int _depth;
int _pipe_len;
int _pipe_ptr;
T ***_data;
public:
PipelineFIFO( Module *parent, const string& name, int lanes, int depth );
~PipelineFIFO( );
void Write( T* val, int lane = 0 );
void WriteAll( T* val );
T* Read( int lane = 0 );
void Advance( );
};
template<class T> PipelineFIFO<T>::PipelineFIFO( Module *parent,
const string& name,
int lanes, int depth ) :
Module( parent, name ),
_lanes( lanes ), _depth( depth )
{
_pipe_len = depth + 1;
_pipe_ptr = 0;
_data = new T ** [_lanes];
for ( int l = 0; l < _lanes; ++l ) {
_data[l] = new T * [_pipe_len];
for ( int d = 0; d < _pipe_len; ++d ) {
_data[l][d] = 0;
}
}
}
template<class T> PipelineFIFO<T>::~PipelineFIFO( )
{
for ( int l = 0; l < _lanes; ++l ) {
delete [] _data[l];
}
delete [] _data;
}
template<class T> void PipelineFIFO<T>::Write( T* val, int lane )
{
_data[lane][_pipe_ptr] = val;
}
template<class T> void PipelineFIFO<T>::WriteAll( T* val )
{
for ( int l = 0; l < _lanes; ++l ) {
_data[l][_pipe_ptr] = val;
}
}
template<class T> T* PipelineFIFO<T>::Read( int lane )
{
return _data[lane][_pipe_ptr];
}
template<class T> void PipelineFIFO<T>::Advance( )
{
_pipe_ptr = ( _pipe_ptr + 1 ) % _pipe_len;
}
#endif
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