gpu-compute: AMD's baseline GPU model

1 files changed, 75 insertions, 0 deletions

diff --git a/src/mem/ruby/system/VIPERCoalescer.hh b/src/mem/ruby/system/VIPERCoalescer.hh
new file mode 100644
index 000000000..af6e44e7f
--- /dev/null
+++ b/src/mem/ruby/system/VIPERCoalescer.hh
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2013-2015 Advanced Micro Devices, Inc.
+ * All rights reserved.
+ *
+ * For use for simulation and test purposes only
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Sooraj Puthoor
+ */
+
+#ifndef __MEM_RUBY_SYSTEM_VI_COALESCER_HH__
+#define __MEM_RUBY_SYSTEM_VI_COALESCER_HH__
+
+#include <iostream>
+
+#include "mem/protocol/PrefetchBit.hh"
+#include "mem/protocol/RubyAccessMode.hh"
+#include "mem/protocol/RubyRequestType.hh"
+#include "mem/ruby/common/Address.hh"
+#include "mem/ruby/common/Consumer.hh"
+#include "mem/ruby/system/GPUCoalescer.hh"
+#include "mem/ruby/system/RubyPort.hh"
+
+class DataBlock;
+class CacheMsg;
+class MachineID;
+class CacheMemory;
+
+class VIPERCoalescerParams;
+
+class VIPERCoalescer : public GPUCoalescer
+{
+  public:
+    typedef VIPERCoalescerParams Params;
+    VIPERCoalescer(const Params *);
+    ~VIPERCoalescer();
+    void wbCallback(Addr address);
+    void invCallback(Addr address);
+    RequestStatus makeRequest(PacketPtr pkt);
+  private:
+    void invL1();
+    void wbL1();
+    void invwbL1();
+    uint64_t m_outstanding_inv;
+    uint64_t m_outstanding_wb;
+    uint64_t m_max_inv_per_cycle;
+    uint64_t m_max_wb_per_cycle;
+};
+#endif // __MEM_RUBY_SYSTEM_VI_COALESCER_HH__
+