diff options
Diffstat (limited to 'src/mem/packet.hh')
| -rw-r--r-- | src/mem/packet.hh | 49 |
1 files changed, 2 insertions, 47 deletions
diff --git a/src/mem/packet.hh b/src/mem/packet.hh index 8e3bcdd37..2917262c3 100644 --- a/src/mem/packet.hh +++ b/src/mem/packet.hh @@ -296,30 +296,6 @@ class Packet : public Printable unsigned size; /** - * Source port identifier set on a request packet to enable - * appropriate routing of the responses. The source port - * identifier is set by any multiplexing component, e.g. a - * crossbar, as the timing responses need this information to be - * routed back to the appropriate port at a later point in - * time. The field can be updated (over-written) as the request - * packet passes through additional multiplexing components, and - * it is their responsibility to remember the original source port - * identifier, for example by using an appropriate sender - * state. The latter is done in the cache and bridge. - */ - PortID src; - - /** - * Destination port identifier that is present on all response - * packets that passed through a multiplexing component as a - * request packet. The source port identifier is turned into a - * destination port identifier when the packet is turned into a - * response, and the destination is used, e.g. by the crossbar, to - * select the appropriate path through the interconnect. - */ - PortID dest; - - /** * The original value of the command field. Only valid when the * current command field is an error condition; in that case, the * previous contents of the command field are copied here. This @@ -547,18 +523,6 @@ class Packet : public Printable bool hadBadAddress() const { return cmd == MemCmd::BadAddressError; } void copyError(Packet *pkt) { assert(pkt->isError()); cmd = pkt->cmd; } - /// Accessor function to get the source index of the packet. - PortID getSrc() const { return src; } - /// Accessor function to set the source index of the packet. - void setSrc(PortID _src) { src = _src; } - - /// Accessor function for the destination index of the packet. - PortID getDest() const { return dest; } - /// Accessor function to set the destination index of the packet. - void setDest(PortID _dest) { dest = _dest; } - /// Reset destination field, e.g. to turn a response into a request again. - void clearDest() { dest = InvalidPortID; } - Addr getAddr() const { assert(flags.isSet(VALID_ADDR)); return addr; } /** * Update the address of this packet mid-transaction. This is used @@ -609,8 +573,7 @@ class Packet : public Printable */ Packet(const RequestPtr _req, MemCmd _cmd) : cmd(_cmd), req(_req), data(nullptr), addr(0), _isSecure(false), - size(0), src(InvalidPortID), dest(InvalidPortID), - bytesValidStart(0), bytesValidEnd(0), + size(0), bytesValidStart(0), bytesValidEnd(0), firstWordDelay(0), lastWordDelay(0), senderState(NULL) { @@ -632,7 +595,6 @@ class Packet : public Printable */ Packet(const RequestPtr _req, MemCmd _cmd, int _blkSize) : cmd(_cmd), req(_req), data(nullptr), addr(0), _isSecure(false), - src(InvalidPortID), dest(InvalidPortID), bytesValidStart(0), bytesValidEnd(0), firstWordDelay(0), lastWordDelay(0), senderState(NULL) @@ -657,7 +619,6 @@ class Packet : public Printable : cmd(pkt->cmd), req(pkt->req), data(nullptr), addr(pkt->addr), _isSecure(pkt->_isSecure), size(pkt->size), - src(pkt->src), dest(pkt->dest), bytesValidStart(pkt->bytesValidStart), bytesValidEnd(pkt->bytesValidEnd), firstWordDelay(pkt->firstWordDelay), @@ -743,10 +704,7 @@ class Packet : public Printable /** * Take a request packet and modify it in place to be suitable for - * returning as a response to that request. The source field is - * turned into the destination, and subsequently cleared. Note - * that the latter is not necessary for atomic requests, but - * causes no harm as neither field is valid. + * returning as a response to that request. */ void makeResponse() @@ -759,9 +717,6 @@ class Packet : public Printable // responses are never express, even if the snoop that // triggered them was flags.clear(EXPRESS_SNOOP); - - dest = src; - src = InvalidPortID; } void |