#include "sim/host.hh"
#include "sim/root.hh"
#include <list>
+#include <cassert>
struct Packet;
typedef Packet* PacketPtr;
#define CACHE_LINE_FILL 1 << 3
#define COMPRESSED 1 << 4
#define NO_ALLOCATE 1 << 5
+#define SNOOP_COMMIT 1 << 6
//For statistics we need max number of commands, hard code it at
//20 for now. @todo fix later
bool isRequest() { return (cmd & IsRequest) != 0; }
bool isResponse() { return (cmd & IsResponse) != 0; }
bool needsResponse() { return (cmd & NeedsResponse) != 0; }
- bool isInvalidate() { return (cmd * IsInvalidate) != 0; }
+ bool isInvalidate() { return (cmd & IsInvalidate) != 0; }
bool isCacheFill() { return (flags & CACHE_LINE_FILL) != 0; }
bool isNoAllocate() { return (flags & NO_ALLOCATE) != 0; }
bool isCompressed() { return (flags & COMPRESSED) != 0; }
- bool nic_pkt() { assert("Unimplemented\n" && 0); }
+ bool nic_pkt() { assert("Unimplemented\n" && 0); return false; }
/** Possible results of a packet's request. */
enum Result
result(Unknown)
{
flags = 0;
+ time = curTick;
}
/** Alternate constructor if you are trying to create a packet with
result(Unknown)
{
flags = 0;
+ time = curTick;
}
/** Destructor. */
assert(req->validPaddr);
addr = req->paddr;
size = req->size;
+ time = req->time;
addrSizeValid = true;
result = Unknown;
if (dynamicData) {
* for returning as a response to that request. Used for timing
* accesses only. For atomic and functional accesses, the
* request packet is always implicitly passed back *without*
- * modifying the command or destination fields, so this function
+ * modifying the destination fields, so this function
* should not be called. */
void makeTimingResponse() {
assert(needsResponse());
srcValid = false;
}
+ /** Take a request packet and modify it in place to be suitable
+ * for returning as a response to that request.
+ */
+ void makeAtomicResponse() {
+ assert(needsResponse());
+ assert(isRequest());
+ int icmd = (int)cmd;
+ icmd &= ~(IsRequest);
+ icmd |= IsResponse;
+ cmd = (Command)icmd;
+ }
+
/** Take a request packet that has been returned as NACKED and modify it so
* that it can be sent out again. Only packets that need a response can be
* NACKED, so verify that that is true. */