miscregs.hh revision 7811 
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#ifndef __ARCH_POWER_MISCREGS_HH__
32#define __ARCH_POWER_MISCREGS_HH__
33
34#include "base/bitunion.hh"
35
36namespace PowerISA
37{
38
39enum MiscRegIndex {
40    NUM_MISCREGS = 0
41};
42
43const char * const miscRegName[NUM_MISCREGS] = {
44};
45
46BitUnion32(Cr)
47    SubBitUnion(cr0, 31, 28)
48        Bitfield<31> lt;
49        Bitfield<30> gt;
50        Bitfield<29> eq;
51        Bitfield<28> so;
52    EndSubBitUnion(cr0)
53    Bitfield<27,24> cr1;
54EndBitUnion(Cr)
55
56BitUnion32(Xer)
57    Bitfield<31> so;
58    Bitfield<30> ov;
59    Bitfield<29> ca;
60EndBitUnion(Xer)
61
62BitUnion32(Fpscr)
63    Bitfield<31> fx;
64    Bitfield<30> fex;
65    Bitfield<29> vx;
66    Bitfield<28> ox;
67    Bitfield<27> ux;
68    Bitfield<26> zx;
69    Bitfield<25> xx;
70    Bitfield<24> vxsnan;
71    Bitfield<23> vxisi;
72    Bitfield<22> vxidi;
73    Bitfield<21> vxzdz;
74    Bitfield<20> vximz;
75    Bitfield<19> vxvc;
76    Bitfield<18> fr;
77    Bitfield<17> fi;
78    SubBitUnion(fprf, 16, 12)
79        Bitfield<16> c;
80        SubBitUnion(fpcc, 15, 12)
81            Bitfield<15> fl;
82            Bitfield<14> fg;
83            Bitfield<13> fe;
84            Bitfield<12> fu;
85        EndSubBitUnion(fpcc)
86    EndSubBitUnion(fprf)
87    Bitfield<10> vxsqrt;
88    Bitfield<9> vxcvi;
89    Bitfield<8> ve;
90    Bitfield<7> oe;
91    Bitfield<6> ue;
92    Bitfield<5> ze;
93    Bitfield<4> xe;
94    Bitfield<3> ni;
95    Bitfield<2,1> rn;
96EndBitUnion(Fpscr)
97
98} // namespace PowerISA
99
100#endif // __ARCH_POWER_MISCREGS_HH__
101