static_inst.cc revision 9920:028e4da64b42 
1/*
2 * Copyright (c) 2009 The University of Edinburgh
3 * Copyright (c) 2013 Advanced Micro Devices, Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met: redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer;
10 * redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution;
13 * neither the name of the copyright holders nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * Authors: Timothy M. Jones
30 */
31
32#include "arch/power/insts/static_inst.hh"
33#include "cpu/reg_class.hh"
34
35using namespace PowerISA;
36
37void
38PowerStaticInst::printReg(std::ostream &os, int reg) const
39{
40    RegIndex rel_reg;
41
42    switch (regIdxToClass(reg, &rel_reg)) {
43      case IntRegClass:
44        ccprintf(os, "r%d", rel_reg);
45        break;
46      case FloatRegClass:
47        ccprintf(os, "f%d", rel_reg);
48        break;
49      case MiscRegClass:
50        switch (rel_reg) {
51          case 0: ccprintf(os, "cr"); break;
52          case 1: ccprintf(os, "xer"); break;
53          case 2: ccprintf(os, "lr"); break;
54          case 3: ccprintf(os, "ctr"); break;
55          default: ccprintf(os, "unknown_reg");
56            break;
57        }
58      case CCRegClass:
59        panic("printReg: POWER does not implement CCRegClass\n");
60    }
61}
62
63std::string
64PowerStaticInst::generateDisassembly(Addr pc,
65                                       const SymbolTable *symtab) const
66{
67    std::stringstream ss;
68
69    ccprintf(ss, "%-10s ", mnemonic);
70
71    return ss.str();
72}
73