#include "xmlAddressdecoder.h"
#include <systemc.h>

using namespace std;

string xmlAddressDecoder::addressConfigURI = "";

xmlAddressDecoder::xmlAddressDecoder(string addressConfigURI)
{
	doc = new TiXmlDocument(addressConfigURI.c_str());
	if (doc->LoadFile())
	{
		dramconfig = doc->FirstChildElement("dramconfig");
		addressmap = dramconfig->FirstChildElement("addressmap");

		unsigned int from;
		unsigned int to;

		// get channel:
//		TiXmlElement* channel = addressmap->FirstChildElement("channel");
//
//
//		from = getAttribute<unsigned int>(channel, "from");
//		to = getAttribute<unsigned int>(channel, "to");
//
//		channelShift = from;
//		channelMask = pow(2.0, to + 1.0) - pow(2.0, from + 0.0);
//		channelSize = pow(2.0, to - from + 1.0);

		// get row:
		TiXmlElement* row = addressmap->FirstChildElement("row");

		from = getAttribute<unsigned int>(row, "from");
		to = getAttribute<unsigned int>(row, "to");

		rowShift = from;
		rowMask = pow(2.0, to + 1.0) - pow(2.0, from + 0.0);
		rowSize = pow(2.0, to - from + 1.0);

		// get bank:
		TiXmlElement* bank = addressmap->FirstChildElement("bank");

		from = getAttribute<unsigned int>(bank, "from");
		to = getAttribute<unsigned int>(bank, "to");

		bankShift = from;
		bankMask = pow(2.0, to + 1.0) - pow(2.0, from + 0.0);
		bankSize = pow(2.0, to - from + 1.0);

		// get colum:
		TiXmlElement* colum = addressmap->FirstChildElement("colum");

		from = getAttribute<unsigned int>(colum, "from");
		to = getAttribute<unsigned int>(colum, "to");

		columShift = from;
		columMask = pow(2.0, to + 1.0) - pow(2.0, from + 0.0);
		columSize = pow(2.0, to - from + 1.0);

		// get bytes:
//		TiXmlElement* bytes = addressmap->FirstChildElement("bytes");
//
//		from = getAttribute<unsigned int>(bytes, "from");
//		to = getAttribute<unsigned int>(bytes, "to");

//		bytesShift = from;
//		bytesMask = pow(2.0, to + 1.0) - pow(2.0, from + 0.0);
//		bytesSize = pow(2.0, to - from + 1.0);
	}
	else
	{
		SC_REPORT_FATAL("xmlAddressDecoder can not find ", addressConfigURI.c_str());
	}
}

xmlAddressDecoder::~xmlAddressDecoder()
{
	delete doc;
}

void xmlAddressDecoder::getNode(unsigned int addr, node * n)
{
	n->channel = 0;
	n->row = (addr & rowMask) >> rowShift;
	n->bank = (addr & bankMask) >> bankShift;
	n->colum = (addr & columMask) >> columShift;
}

void xmlAddressDecoder::getBRC(unsigned int addr, unsigned int &bank, unsigned int &row,
		unsigned int &colum)
{
	row = (addr & rowMask) >> rowShift;
	bank = (addr & bankMask) >> bankShift;
	colum = (addr & columMask) >> columShift;
}

void xmlAddressDecoder::getCBRC(unsigned int addr, unsigned int &channel, unsigned int &bank,
		unsigned int &row, unsigned int &colum)
{
	channel = (addr & channelMask) >> channelShift;
	getBRC(addr, bank, row, colum);
}
void xmlAddressDecoder::getC(unsigned int addr, unsigned int &channel)
{
	channel = (addr & channelMask) >> channelShift;
}

unsigned int xmlAddressDecoder::getNumberOfBanks()
{
	return bankSize;
}

unsigned int xmlAddressDecoder::getNumberOfRowsPerBank()
{
	return rowSize;
}

unsigned int xmlAddressDecoder::getNumberOfColumsPerRow()
{
	return columSize;
}

unsigned int xmlAddressDecoder::getNumberOfBytesPerColumn()
{
	return 1;
}