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StageWB.cpp
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StageWB.cpp
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#ifndef VM_Stage_WB
#define VM_Stage_WB
#include <stdint.h>
#include "HwError.hpp"
#include "Pipeline.hpp"
#include "Component.hpp"
#include "RegisterFile.cpp"
namespace Stage
{
class WB : public Component::Component_t
{
private:
Component::IntegerRegisterFile * RegF = nullptr; // this lives in the ID stage, but this is the only way to access it from here.
public:
WB( Component::IntegerRegisterFile * regf )
{
RegF = regf;
}
WB(){}
void SetRegF( Component::IntegerRegisterFile * regf )
{
RegF = regf;
}
Component::Component_ID GetID()
{
return Component::Component_ID_StageWB;
}
void Perform( Pipeline_MEMtoWB pipe )
{
SetLastHwError( HwError_NoError );
if( pipe.WBParams.DoWB == 1 )
{
if( RegF != nullptr )
{
RegF->SetVal( pipe.WBParams.Reg, pipe.WBParams.Val );
SetLastHwError( RegF->LastHwError() );
}
else
SetLastHwError( HwError_RegisterFileMissing );
}
}
};
};
#endif