1 files changed, 64 insertions, 0 deletions
diff --git a/src/cpu/o3/regfile.cc b/src/cpu/o3/regfile.cc
new file mode 100644
index 000000000..5ba0caefc
--- /dev/null
+++ b/src/cpu/o3/regfile.cc
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2004-2005 The Regents of The University of Michigan
+ * Copyright (c) 2013 Advanced Micro Devices, Inc.
+ * 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: Kevin Lim
+ *          Gabe Black
+ *          Steve Reinhardt
+ */
+
+#include "cpu/o3/free_list.hh"
+#include "cpu/o3/regfile.hh"
+
+
+PhysRegFile::PhysRegFile(unsigned _numPhysicalIntRegs,
+                         unsigned _numPhysicalFloatRegs)
+    : intRegFile(_numPhysicalIntRegs),
+      floatRegFile(_numPhysicalFloatRegs),
+      baseFloatRegIndex(_numPhysicalIntRegs),
+      totalNumRegs(_numPhysicalIntRegs + _numPhysicalFloatRegs)
+{
+}
+
+
+void
+PhysRegFile::initFreeList(UnifiedFreeList *freeList)
+{
+    // Initialize the free lists.
+    PhysRegIndex reg_idx = 0;
+
+    // The initial batch of registers are the integer ones
+    while (reg_idx < baseFloatRegIndex) {
+        freeList->addIntReg(reg_idx++);
+    }
+
+    // The rest of the registers are the floating-point physical
+    // registers; put them onto the floating-point free list.
+    while (reg_idx < totalNumRegs) {
+        freeList->addFloatReg(reg_idx++);
+    }
+}