static_inst.cc revision 6691:cd68b6ecd68d 
1/*
2 * Copyright (c) 2009 The University of Edinburgh
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Timothy M. Jones
29 */
30
31#include "arch/power/insts/static_inst.hh"
32
33using namespace PowerISA;
34
35void
36PowerStaticInst::printReg(std::ostream &os, int reg) const
37{
38    if (reg < FP_Base_DepTag) {
39        ccprintf(os, "r%d", reg);
40    } else if (reg < Ctrl_Base_DepTag) {
41        ccprintf(os, "f%d", reg - FP_Base_DepTag);
42    } else {
43        switch (reg - Ctrl_Base_DepTag) {
44        case 0: ccprintf(os, "cr"); break;
45        case 1: ccprintf(os, "xer"); break;
46        case 2: ccprintf(os, "lr"); break;
47        case 3: ccprintf(os, "ctr"); break;
48        default: ccprintf(os, "unknown_reg");
49        }
50    }
51}
52
53std::string
54PowerStaticInst::generateDisassembly(Addr pc,
55                                       const SymbolTable *symtab) const
56{
57    std::stringstream ss;
58
59    ccprintf(ss, "%-10s ", mnemonic);
60
61    return ss.str();
62}
63