#include "base/misc.hh"
#include "mem/request.hh"
-#include "sim/faults.hh"
+#include "sim/fault.hh"
#include "sim/sim_object.hh"
class ThreadContext;
class Packet;
+class Port;
class BaseTLB : public SimObject
{
protected:
- BaseTLB(const Params *p) : SimObject(p)
+ BaseTLB(const Params *p)
+ : SimObject(p)
{}
+ public:
+ enum Mode { Read, Write, Execute };
+
public:
virtual void demapPage(Addr vaddr, uint64_t asn) = 0;
+ /** Get any port that the TLB or hardware table walker needs.
+ * This is used for migrating port connections during a takeOverFrom()
+ * call. */
+ virtual Port* getPort() { return NULL; }
+
class Translation
{
public:
* be responsible for cleaning itself up which will happen in this
* function. Once it's called, the object is no longer valid.
*/
- virtual void finish(Fault fault, RequestPtr req,
- ThreadContext *tc, bool write=false) = 0;
+ virtual void finish(Fault fault, RequestPtr req, ThreadContext *tc,
+ Mode mode) = 0;
};
};
class GenericTLB : public BaseTLB
{
protected:
- GenericTLB(const Params *p) : BaseTLB(p)
+ GenericTLB(const Params *p)
+ : BaseTLB(p)
{}
public:
void demapPage(Addr vaddr, uint64_t asn);
- Fault translateAtomic(RequestPtr req, ThreadContext *tc, bool=false);
+ Fault translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode);
void translateTiming(RequestPtr req, ThreadContext *tc,
- Translation *translation, bool=false);
+ Translation *translation, Mode mode);
};
#endif // __ARCH_SPARC_TLB_HH__