derek/DRAMSys
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

addressmapping for ddr4

Browse Source
This commit is contained in:
robert
2014-04-20 22:16:32 +02:00
parent 354c871047
commit b75366edda
11 changed files with 188 additions and 193 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
dram/src/common/xmlAddressdecoder.cpp
View File

@@ -17,15 +17,15 @@ xmlAddressDecoder::xmlAddressDecoder(string addressConfigURI)
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);
// 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");
@@ -58,14 +58,14 @@ xmlAddressDecoder::xmlAddressDecoder(string addressConfigURI)
columSize = pow(2.0, to - from + 1.0);
// get bytes:
TiXmlElement* bytes = addressmap->FirstChildElement("bytes");
// TiXmlElement* bytes = addressmap->FirstChildElement("bytes");
//
// from = getAttribute<unsigned int>(bytes, "from");
// to = getAttribute<unsigned int>(bytes, "to");
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);
// bytesShift = from;
// bytesMask = pow(2.0, to + 1.0) - pow(2.0, from + 0.0);
// bytesSize = pow(2.0, to - from + 1.0);
}
else
{
@@ -80,7 +80,7 @@ xmlAddressDecoder::~xmlAddressDecoder()
void xmlAddressDecoder::getNode(unsigned int addr, node * n)
{
n->channel = (addr & channelMask) >> channelShift;
n->channel = 0;
n->row = (addr & rowMask) >> rowShift;
n->bank = (addr & bankMask) >> bankShift;
n->colum = (addr & columMask) >> columShift;
@@ -122,5 +122,5 @@ unsigned int xmlAddressDecoder::getNumberOfColumsPerRow()
unsigned int xmlAddressDecoder::getNumberOfBytesPerColumn()
{
return bytesSize;
return 1;
}