1// -*- mode:c++ -*-
2
3// Copyright (c) 2007-2008 The Florida State University
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: Stephen Hines
30
31////////////////////////////////////////////////////////////////////
32//
33// Bitfield definitions.
34//
35
36// Opcode fields
37def bitfield ENCODING encoding;
38def bitfield OPCODE opcode;
39def bitfield OPCODE_24_23 opcode24_23;
40def bitfield OPCODE_24 opcode24;
41def bitfield OPCODE_23_20 opcode23_20;
42def bitfield OPCODE_23_21 opcode23_21;
43def bitfield OPCODE_23 opcode23;
44def bitfield OPCODE_22_8 opcode22_8;
45def bitfield OPCODE_22_21 opcode22_21;
46def bitfield OPCODE_22 opcode22;
47def bitfield OPCODE_21_20 opcode21_20;
48def bitfield OPCODE_20 opcode20;
49def bitfield OPCODE_19_18 opcode19_18;
50def bitfield OPCODE_19 opcode19;
51def bitfield OPCODE_15_12 opcode15_12;
52def bitfield OPCODE_15 opcode15;
53def bitfield OPCODE_9 opcode9;
54def bitfield MISC_OPCODE miscOpcode;
55def bitfield OPCODE_7_5 opcode7_5;
56def bitfield OPCODE_7_6 opcode7_6;
57def bitfield OPCODE_7 opcode7;
58def bitfield OPCODE_6_5 opcode6_5;
59def bitfield OPCODE_6 opcode6;
60def bitfield OPCODE_5 opcode5;
61def bitfield OPCODE_4 opcode4;
62
63def bitfield IS_MISC isMisc;
64def bitfield SEVEN_AND_FOUR sevenAndFour;
65
66// Other
67def bitfield COND_CODE condCode;
68def bitfield S_FIELD sField;
69def bitfield RN rn;
70def bitfield RD rd;
71def bitfield SHIFT_SIZE shiftSize;
72def bitfield SHIFT shift;
73def bitfield RM rm;
74
75def bitfield RS rs;
76
77def bitfield RDUP rdup;
78def bitfield RNDN rddn;
79
80def bitfield RDHI rdhi;
81def bitfield RDLO rdlo;
82
83def bitfield U_FIELD uField;
84
85def bitfield PUSWL puswl;
86def bitfield PREPOST puswl.prepost;
87def bitfield UP puswl.up;
88def bitfield PSRUSER puswl.psruser;
89def bitfield WRITEBACK puswl.writeback;
90def bitfield LOADOP puswl.loadOp;
91
92def bitfield PUBWL pubwl;
93def bitfield PUIWL puiwl;
94def bitfield BYTEACCESS byteAccess;
95
96def bitfield LUAS luas;
97
98def bitfield IMM imm;
99def bitfield IMMED_7_4 immed7_4;
100def bitfield IMMED_3_0 immed3_0;
101
102def bitfield F_MSR msr.f;
103def bitfield S_MSR msr.s;
104def bitfield X_MSR msr.x;
105def bitfield C_MSR msr.c;
106
107def bitfield Y_6 y;
108def bitfield X_5 x;
109
110def bitfield IMMED_15_4 immed15_4;
111
112def bitfield W_FIELD wField;
113
114def bitfield ROTATE rotate;
115def bitfield IMMED_7_0 immed7_0;
116
117def bitfield T_FIELD tField;
118def bitfield IMMED_11_0 immed11_0;
119
120def bitfield IMMED_20_16 immed20_16;
121def bitfield IMMED_19_16 immed19_16;
122
123def bitfield IMMED_HI_11_8 immedHi11_8;
124def bitfield IMMED_LO_3_0 immedLo3_0;
125
126def bitfield ROT rot;
127
128def bitfield R_FIELD rField;
129
130def bitfield CARET caret;
131def bitfield REGLIST regList;
132
133def bitfield OFFSET offset;
134def bitfield COPRO copro;
135def bitfield OP1_7_4 op1_7_4;
136def bitfield CM cm;
137
138def bitfield L_FIELD lField;
139def bitfield CD cd;
140def bitfield OPTION option;
141
142def bitfield OP1_23_20 op1_23_20;
143def bitfield CN cn;
144def bitfield OP2_7_5 op2_7_5;
145
146def bitfield OP1_23_21 op1_23_21;
147
148def bitfield IMMED_23_0 immed23_0;
149def bitfield M_FIELD mField;
150def bitfield A_FIELD aField;
151def bitfield I_FIELD iField;
152def bitfield F_FIELD fField;
153def bitfield MODE mode;
154
155def bitfield A_BLX aBlx;
156
157def bitfield CPNUM cpNum;
158// Note that FP Regs are only 3 bits
159def bitfield FN fn;
160def bitfield FD fd;
161def bitfield FPREGIMM fpRegImm;
162// We can just use 3:0 for FM since the hard-wired FP regs are handled in
163// float_regfile.hh
164def bitfield FM fm;
165def bitfield FPIMM fpImm;
166def bitfield PUNWL punwl;
167
168// M5 instructions
169def bitfield M5FUNC m5Func;
170