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diff --git a/src/arch/sparc/insts/blockmem.hh b/src/arch/sparc/insts/blockmem.hh
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+/*
+ * Copyright (c) 2006-2007 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * 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;
+ * neither the name of the copyright holders 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
+ * OWNER 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.
+ *
+ * Authors: Ali Saidi
+ *          Gabe Black
+ */
+
+#ifndef __ARCH_SPARC_INSTS_BLOCKMEM_HH__
+#define __ARCH_SPARC_INSTS_BLOCKMEM_HH__
+
+#include "arch/sparc/insts/micro.hh"
+
+namespace SparcISA
+{
+
+////////////////////////////////////////////////////////////////////
+//
+// Block Memory instructions
+//
+
+class BlockMem : public SparcMacroInst
+{
+  protected:
+    // We make the assumption that all block memory operations will take
+    // 8 instructions to execute.
+    BlockMem(const char *mnem, ExtMachInst _machInst) :
+        SparcMacroInst(mnem, _machInst, No_OpClass, 8)
+    {}
+};
+
+class BlockMemImm : public BlockMem
+{
+  protected:
+    using BlockMem::BlockMem;
+};
+
+class BlockMemMicro : public SparcMicroInst
+{
+  protected:
+    BlockMemMicro(const char *mnem, ExtMachInst _machInst,
+                  OpClass __opClass, int8_t _offset) :
+        SparcMicroInst(mnem, _machInst, __opClass), offset(_offset)
+    {}
+
+    std::string generateDisassembly(
+            Addr pc, const SymbolTable *symtab) const override;
+
+    const int8_t offset;
+};
+
+class BlockMemImmMicro : public BlockMemMicro
+{
+  protected:
+    BlockMemImmMicro(const char *mnem, ExtMachInst _machInst,
+                     OpClass __opClass, int8_t _offset) :
+        BlockMemMicro(mnem, _machInst, __opClass, _offset),
+        imm(sext<13>(bits(_machInst, 12, 0)))
+    {}
+
+    std::string generateDisassembly(
+            Addr pc, const SymbolTable *symtab) const override;
+
+    const int32_t imm;
+};
+
+}
+
+#endif // __ARCH_SPARC_INSTS_BLOCKMEM_HH__