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authorKevin Lim <ktlim@umich.edu>2006-10-31 13:59:30 -0500
committerKevin Lim <ktlim@umich.edu>2006-10-31 13:59:30 -0500
commitb26355daa87c7a86a96a90b2002bc5684741288c (patch)
tree2e2a0782c5fda7f1129a24a33c509003edd43ba0 /src/mem
parenteda7148af25e8e106e8983fb37952263dcae5275 (diff)
downloadgem5-b26355daa87c7a86a96a90b2002bc5684741288c.tar.xz
Ports now have a pointer to the MemObject that owns it (can be NULL).
src/cpu/simple/atomic.hh: Port now takes in the MemObject that owns it. src/cpu/simple/timing.hh: Port now takes in MemObject that owns it. src/dev/io_device.cc: src/mem/bus.hh: Ports now take in the MemObject that owns it. src/mem/cache/base_cache.cc: Ports now take in the MemObject that own it. src/mem/port.hh: src/mem/tport.hh: Ports now optionally take in the MemObject that owns it. --HG-- extra : convert_revision : 890a72a871795987c2236c65937e06973412d349
Diffstat (limited to 'src/mem')
-rw-r--r--src/mem/bus.hh2
-rw-r--r--src/mem/cache/base_cache.cc2
-rw-r--r--src/mem/port.hh31
-rw-r--r--src/mem/tport.hh4
4 files changed, 24 insertions, 15 deletions
diff --git a/src/mem/bus.hh b/src/mem/bus.hh
index 9fb33b7c3..7ec7e6830 100644
--- a/src/mem/bus.hh
+++ b/src/mem/bus.hh
@@ -144,7 +144,7 @@ class Bus : public MemObject
/** Constructor for the BusPort.*/
BusPort(const std::string &_name, Bus *_bus, int _id)
- : Port(_name), _onRetryList(false), bus(_bus), id(_id)
+ : Port(_name, _bus), _onRetryList(false), bus(_bus), id(_id)
{ }
bool onRetryList()
diff --git a/src/mem/cache/base_cache.cc b/src/mem/cache/base_cache.cc
index 599958222..47d40a490 100644
--- a/src/mem/cache/base_cache.cc
+++ b/src/mem/cache/base_cache.cc
@@ -42,7 +42,7 @@ using namespace std;
BaseCache::CachePort::CachePort(const std::string &_name, BaseCache *_cache,
bool _isCpuSide)
- : Port(_name), cache(_cache), isCpuSide(_isCpuSide)
+ : Port(_name, _cache), cache(_cache), isCpuSide(_isCpuSide)
{
blocked = false;
waitingOnRetry = false;
diff --git a/src/mem/port.hh b/src/mem/port.hh
index b6eeb9db3..75afc04e6 100644
--- a/src/mem/port.hh
+++ b/src/mem/port.hh
@@ -58,6 +58,8 @@
typedef std::list<Range<Addr> > AddrRangeList;
typedef std::list<Range<Addr> >::iterator AddrRangeIter;
+class MemObject;
+
/**
* Ports are used to interface memory objects to
* each other. They will always come in pairs, and we refer to the other
@@ -81,10 +83,13 @@ class Port
memory objects. */
Port *peer;
+ /** A pointer to the MemObject that owns this port. This may not be set. */
+ MemObject *owner;
+
public:
Port()
- : peer(NULL)
+ : peer(NULL), owner(NULL)
{ }
/**
@@ -92,9 +97,11 @@ class Port
*
* @param _name Port name for DPRINTF output. Should include name
* of memory system object to which the port belongs.
+ * @param _owner Pointer to the MemObject that owns this port.
+ * Will not necessarily be set.
*/
- Port(const std::string &_name)
- : portName(_name), peer(NULL)
+ Port(const std::string &_name, MemObject *_owner = NULL)
+ : portName(_name), peer(NULL), owner(_owner)
{ }
/** Return port name (for DPRINTF). */
@@ -112,16 +119,18 @@ class Port
void setName(const std::string &name)
{ portName = name; }
- /** Function to set the pointer for the peer port.
- @todo should be called by the configuration stuff (python).
- */
+ /** Function to set the pointer for the peer port. */
void setPeer(Port *port);
- /** Function to set the pointer for the peer port.
- @todo should be called by the configuration stuff (python).
- */
+ /** Function to get the pointer to the peer port. */
Port *getPeer() { return peer; }
+ /** Function to set the owner of this port. */
+ void setOwner(MemObject *_owner) { owner = _owner; }
+
+ /** Function to return the owner of this port. */
+ MemObject *getOwner() { return owner; }
+
protected:
/** These functions are protected because they should only be
@@ -247,8 +256,8 @@ class Port
class FunctionalPort : public Port
{
public:
- FunctionalPort(const std::string &_name)
- : Port(_name)
+ FunctionalPort(const std::string &_name, MemObject *_owner = NULL)
+ : Port(_name, _owner)
{}
protected:
diff --git a/src/mem/tport.hh b/src/mem/tport.hh
index fbe81c443..b419b7c7f 100644
--- a/src/mem/tport.hh
+++ b/src/mem/tport.hh
@@ -117,8 +117,8 @@ class SimpleTimingPort : public Port
public:
- SimpleTimingPort(std::string pname)
- : Port(pname), outTiming(0), drainEvent(NULL)
+ SimpleTimingPort(std::string pname, MemObject *_owner = NULL)
+ : Port(pname, _owner), outTiming(0), drainEvent(NULL)
{}
/** Hook for draining timing accesses from the system. The