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authorGabe Black <gblack@eecs.umich.edu>2009-07-08 23:02:20 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-07-08 23:02:20 -0700
commit32daf6fc3fd34af0023ae74c2a1f8dd597f87242 (patch)
tree0868fb00a7546d90971bc18acd4f7b0bbce558c0 /src/arch/arm/isa.hh
parent3e2cad8370d99f45ecf4d922d3ac8213e0d72644 (diff)
downloadgem5-32daf6fc3fd34af0023ae74c2a1f8dd597f87242.tar.xz
Registers: Add an ISA object which replaces the MiscRegFile.
This object encapsulates (or will eventually) the identity and characteristics of the ISA in the CPU.
Diffstat (limited to 'src/arch/arm/isa.hh')
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+/*
+ * Copyright (c) 2009 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: Gabe Black
+ */
+
+#ifndef __ARCH_ARM_ISA_HH__
+#define __ARCH_MRM_ISA_HH__
+
+#include "arch/arm/regfile/misc_regfile.hh"
+#include "arch/arm/types.hh"
+
+class Checkpoint;
+class EventManager;
+
+namespace ArmISA
+{
+ class ISA
+ {
+ protected:
+ MiscRegFile miscRegFile;
+
+ public:
+ void clear();
+
+ MiscReg readMiscRegNoEffect(int miscReg);
+ MiscReg readMiscReg(int miscReg, ThreadContext *tc);
+
+ void setMiscRegNoEffect(int miscReg, const MiscReg val);
+ void setMiscReg(int miscReg, const MiscReg val,
+ ThreadContext *tc);
+
+ int
+ flattenIntIndex(int reg)
+ {
+ return reg;
+ }
+
+ int
+ flattenFloatIndex(int reg)
+ {
+ return reg;
+ }
+
+ void serialize(std::ostream &os);
+ void unserialize(Checkpoint *cp, const std::string &section);
+
+ ISA()
+ {
+ clear();
+ }
+ };
+}
+
+#endif