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authorTimothy M. Jones <tjones1@inf.ed.ac.uk>2009-10-27 09:24:39 -0700
committerTimothy M. Jones <tjones1@inf.ed.ac.uk>2009-10-27 09:24:39 -0700
commit835a55e7f347697815fc43851b2dd5a8642d21c4 (patch)
tree637768b1de6de2bc4520fad97f90194ad6d3f8d6 /src/arch/power/insts/floating.cc
parent0fdfc82bde5b8975ee93d5da9c604ad9b99942e0 (diff)
downloadgem5-835a55e7f347697815fc43851b2dd5a8642d21c4.tar.xz
POWER: Add support for the Power ISA
This adds support for the 32-bit, big endian Power ISA. This supports both integer and floating point instructions based on the Power ISA Book I v2.06.
Diffstat (limited to 'src/arch/power/insts/floating.cc')
-rw-r--r--src/arch/power/insts/floating.cc60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/arch/power/insts/floating.cc b/src/arch/power/insts/floating.cc
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index 000000000..f5c34ee2a
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+++ b/src/arch/power/insts/floating.cc
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+/*
+ * Copyright (c) 2009 The University of Edinburgh
+ * 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: Timothy M. Jones
+ */
+
+#include "arch/power/insts/floating.hh"
+
+using namespace PowerISA;
+
+std::string
+FloatOp::generateDisassembly(Addr pc, const SymbolTable *symtab) const
+{
+ std::stringstream ss;
+
+ ccprintf(ss, "%-10s ", mnemonic);
+
+ // Print the first destination only
+ if (_numDestRegs > 0) {
+ printReg(ss, _destRegIdx[0]);
+ }
+
+ // Print the (possibly) two source registers
+ if (_numSrcRegs > 0) {
+ if (_numDestRegs > 0) {
+ ss << ", ";
+ }
+ printReg(ss, _srcRegIdx[0]);
+ if (_numSrcRegs > 1) {
+ ss << ", ";
+ printReg(ss, _srcRegIdx[1]);
+ }
+ }
+
+ return ss.str();
+}