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-rw-r--r--src/arch/generic/tlb.hh96
1 files changed, 56 insertions, 40 deletions
diff --git a/src/arch/generic/tlb.hh b/src/arch/generic/tlb.hh
index aef52a120..e0becf727 100644
--- a/src/arch/generic/tlb.hh
+++ b/src/arch/generic/tlb.hh
@@ -60,32 +60,6 @@ class BaseTLB : public SimObject
public:
enum Mode { Read, Write, Execute };
- public:
- virtual void demapPage(Addr vaddr, uint64_t asn) = 0;
-
- /**
- * Remove all entries from the TLB
- */
- virtual void flushAll() = 0;
-
- /**
- * Take over from an old tlb context
- */
- virtual void takeOverFrom(BaseTLB *otlb) = 0;
-
- /**
- * Get the table walker master port if present. This is used for
- * migrating port connections during a CPU takeOverFrom()
- * call. For architectures that do not have a table walker, NULL
- * is returned, hence the use of a pointer rather than a
- * reference.
- *
- * @return A pointer to the walker master port or NULL if not present
- */
- virtual BaseMasterPort* getMasterPort() { return NULL; }
-
- void memInvalidate() { flushAll(); }
-
class Translation
{
public:
@@ -113,22 +87,20 @@ class BaseTLB : public SimObject
*/
virtual bool squashed() const { return false; }
};
-};
-
-class GenericTLB : public BaseTLB
-{
- protected:
- GenericTLB(const Params *p)
- : BaseTLB(p)
- {}
public:
- void demapPage(Addr vaddr, uint64_t asn) override;
-
- Fault translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode);
- void translateTiming(RequestPtr req, ThreadContext *tc,
- Translation *translation, Mode mode);
+ virtual void demapPage(Addr vaddr, uint64_t asn) = 0;
+ virtual Fault translateAtomic(
+ RequestPtr req, ThreadContext *tc, Mode mode) = 0;
+ virtual void translateTiming(
+ RequestPtr req, ThreadContext *tc,
+ Translation *translation, Mode mode) = 0;
+ virtual Fault
+ translateFunctional(RequestPtr req, ThreadContext *tc, Mode mode)
+ {
+ panic("Not implemented.\n");
+ }
/**
* Do post-translation physical address finalization.
@@ -144,7 +116,51 @@ class GenericTLB : public BaseTLB
* @param mode Request type (read/write/execute).
* @return A fault on failure, NoFault otherwise.
*/
- Fault finalizePhysical(RequestPtr req, ThreadContext *tc, Mode mode) const;
+ virtual Fault finalizePhysical(
+ RequestPtr req, ThreadContext *tc, Mode mode) const = 0;
+
+ /**
+ * Remove all entries from the TLB
+ */
+ virtual void flushAll() = 0;
+
+ /**
+ * Take over from an old tlb context
+ */
+ virtual void takeOverFrom(BaseTLB *otlb) = 0;
+
+ /**
+ * Get the table walker master port if present. This is used for
+ * migrating port connections during a CPU takeOverFrom()
+ * call. For architectures that do not have a table walker, NULL
+ * is returned, hence the use of a pointer rather than a
+ * reference.
+ *
+ * @return A pointer to the walker master port or NULL if not present
+ */
+ virtual BaseMasterPort* getMasterPort() { return NULL; }
+
+ void memInvalidate() { flushAll(); }
+};
+
+class GenericTLB : public BaseTLB
+{
+ protected:
+ GenericTLB(const Params *p)
+ : BaseTLB(p)
+ {}
+
+ public:
+ void demapPage(Addr vaddr, uint64_t asn) override;
+
+ Fault translateAtomic(
+ RequestPtr req, ThreadContext *tc, Mode mode) override;
+ void translateTiming(
+ RequestPtr req, ThreadContext *tc,
+ Translation *translation, Mode mode) override;
+
+ Fault finalizePhysical(
+ RequestPtr req, ThreadContext *tc, Mode mode) const override;
};
#endif // __ARCH_GENERIC_TLB_HH__