1 files changed, 54 insertions, 0 deletions
diff --git a/cpu/beta_cpu/alpha_impl.hh b/cpu/beta_cpu/alpha_impl.hh
new file mode 100644
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+++ b/cpu/beta_cpu/alpha_impl.hh
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+#ifndef __CPU_BETA_CPU_ALPHA_IMPL_HH__
+#define __CPU_BETA_CPU_ALPHA_IMPL_HH__
+
+#include "arch/alpha/isa_traits.hh"
+
+#include "cpu/beta_cpu/cpu_policy.hh"
+#include "cpu/beta_cpu/alpha_params.hh"
+
+// Forward declarations.
+template <class Impl>
+class AlphaDynInst;
+
+template <class Impl>
+class AlphaFullCPU;
+
+/** Implementation specific struct that defines several key things to the
+ *  CPU, the stages within the CPU, the time buffers, and the DynInst.
+ *  The struct defines the ISA, the CPU policy, the specific DynInst, the
+ *  specific FullCPU, and all of the structs from the time buffers to do
+ *  communication.
+ *  This is one of the key things that must be defined for each hardware
+ *  specific CPU implementation.
+ */
+struct AlphaSimpleImpl
+{
+    /** The ISA to be used. */
+    typedef AlphaISA ISA;
+
+    /** The type of MachInst. */
+    typedef ISA::MachInst MachInst;
+
+    /** The CPU policy to be used (ie fetch, decode, etc.). */
+    typedef SimpleCPUPolicy<AlphaSimpleImpl> CPUPol;
+
+    /** The DynInst to be used. */
+    typedef AlphaDynInst<AlphaSimpleImpl> DynInst;
+
+    /** The refcounted DynInst pointer to be used.  In most cases this is
+     *  what should be used, and not DynInst *.
+     */
+    typedef RefCountingPtr<DynInst> DynInstPtr;
+
+    /** The FullCPU to be used. */
+    typedef AlphaFullCPU<AlphaSimpleImpl> FullCPU;
+
+    /** The Params to be passed to each stage. */
+    typedef AlphaSimpleParams Params;
+
+    enum {
+        MaxWidth = 8
+    };
+};
+
+#endif // __CPU_BETA_CPU_ALPHA_IMPL_HH__