1// -*- mode:c++ -*-
2
3// Copyright .AN) 2007 MIPS Technologies, Inc. All Rights Reserved
4
5// This software is part of the M5 simulator.
6
7// THIS IS A LEGAL AGREEMENT. BY DOWNLOADING, USING, COPYING, CREATING
8// DERIVATIVE WORKS, AND/OR DISTRIBUTING THIS SOFTWARE YOU ARE AGREEING
9// TO THESE TERMS AND CONDITIONS.
10
11// Permission is granted to use, copy, create derivative works and
12// distribute this software and such derivative works for any purpose,
13// so long as (1) the copyright notice above, this grant of permission,
14// and the disclaimer below appear in all copies and derivative works
15// made, (2) the copyright notice above is augmented as appropriate to
16// reflect the addition of any new copyrightable work in a derivative
17// work (e.g., Copyright .AN) <Publication Year> Copyright Owner), and (3)
18// the name of MIPS Technologies, Inc. ($B!H(BMIPS$B!I(B) is not used in any
19// advertising or publicity pertaining to the use or distribution of
20// this software without specific, written prior authorization.
21
22// THIS SOFTWARE IS PROVIDED $B!H(BAS IS.$B!I(B MIPS MAKES NO WARRANTIES AND
23// DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS, STATUTORY, IMPLIED OR
24// OTHERWISE, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
26// NON-INFRINGEMENT OF THIRD PARTY RIGHTS, REGARDING THIS SOFTWARE.
27// IN NO EVENT SHALL MIPS BE LIABLE FOR ANY DAMAGES, INCLUDING DIRECT,
28// INDIRECT, INCIDENTAL, CONSEQUENTIAL, SPECIAL, OR PUNITIVE DAMAGES OF
29// ANY KIND OR NATURE, ARISING OUT OF OR IN CONNECTION WITH THIS AGREEMENT,
30// THIS SOFTWARE AND/OR THE USE OF THIS SOFTWARE, WHETHER SUCH LIABILITY
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33// POSSIBILITY OF ANY SUCH LOSS OR DAMAGE IN ADVANCE.
34
35//Authors: Korey L. Sewell
36
37////////////////////////////////////////////////////////////////////
38//
39// Control transfer instructions
40//
41
42output header {{
43
44#include <iostream>

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134 Branch::branchTarget(Addr branchPC) const
135 {
136 return branchPC + 4 + disp;
137 }
138
139 Addr
140 Jump::branchTarget(ThreadContext *tc) const
141 {
142 Addr NPC = tc->readNextPC();
143 return (NPC & 0xF0000000) | (disp);
144 }
145
146 const std::string &
147 PCDependentDisassembly::disassemble(Addr pc,
148 const SymbolTable *symtab) const
149 {
150 if (!cachedDisassembly ||
151 pc != cachedPC || symtab != cachedSymtab)

--- 44 unchanged lines hidden (view full) ---

196
197 std::string
198 Jump::generateDisassembly(Addr pc, const SymbolTable *symtab) const
199 {
200 std::stringstream ss;
201
202 ccprintf(ss, "%-10s ", mnemonic);
203
204 if ( mnemonic == "jal" ) {
205 Addr npc = pc + 4;
206 ccprintf(ss,"0x%x",(npc & 0xF0000000) | disp);
207 } else if (_numSrcRegs == 0) {
208 std::string str;
209 if (symtab && symtab->findSymbol(disp, str))
210 ss << str;
211 else
212 ccprintf(ss, "0x%x", disp);

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