bitfields.isa revision 6269
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 MEDIA_OPCODE  mediaOpcode;
41def bitfield MEDIA_OPCODE2 mediaOpcode2;
42def bitfield OPCODE_24	   opcode24;
43def bitfield OPCODE_23_20  opcode23_20;
44def bitfield OPCODE_23_21  opcode23_21;
45def bitfield OPCODE_23     opcode23;
46def bitfield OPCODE_22_8   opcode22_8;
47def bitfield OPCODE_22_21  opcode22_21;
48def bitfield OPCODE_22     opcode22;
49def bitfield OPCODE_21_20  opcode21_20;
50def bitfield OPCODE_20     opcode20;
51def bitfield OPCODE_19_18  opcode19_18;
52def bitfield OPCODE_19	   opcode19;
53def bitfield OPCODE_15_12  opcode15_12;
54def bitfield OPCODE_15	   opcode15;
55def bitfield OPCODE_9      opcode9;
56def bitfield MISC_OPCODE   miscOpcode;
57def bitfield OPCODE_7_5	   opcode7_5;
58def bitfield OPCODE_7_6    opcode7_6;
59def bitfield OPCODE_7      opcode7;
60def bitfield OPCODE_6_5	   opcode6_5;
61def bitfield OPCODE_6	   opcode6;
62def bitfield OPCODE_5	   opcode5;
63def bitfield OPCODE_4      opcode4;
64
65def bitfield IS_MISC       isMisc;
66def bitfield SEVEN_AND_FOUR sevenAndFour;
67
68// Other
69def bitfield COND_CODE     condCode;
70def bitfield S_FIELD       sField;
71def bitfield RN            rn;
72def bitfield RD            rd;
73def bitfield SHIFT_SIZE    shiftSize;
74def bitfield SHIFT         shift;
75def bitfield RM            rm;
76
77def bitfield RS            rs;
78
79def bitfield RDUP          rdup;
80def bitfield RNDN          rddn;
81
82def bitfield RDHI          rdhi;
83def bitfield RDLO          rdlo;
84
85def bitfield U_FIELD       uField;
86
87def bitfield PUSWL	   puswl;
88def bitfield PREPOST	   puswl.prepost;
89def bitfield UP		   puswl.up;
90def bitfield PSRUSER	   puswl.psruser;
91def bitfield WRITEBACK	   puswl.writeback;
92def bitfield LOADOP        puswl.loadOp;
93
94def bitfield PUBWL	   pubwl;
95def bitfield PUIWL	   puiwl;
96def bitfield BYTEACCESS	   byteAccess;
97
98def bitfield LUAS	   luas;
99
100def bitfield IMM	   imm;
101def bitfield IMMED_7_4     immed7_4;
102def bitfield IMMED_3_0     immed3_0;
103
104def bitfield F_MSR         msr.f;
105def bitfield S_MSR         msr.s;
106def bitfield X_MSR         msr.x;
107def bitfield C_MSR         msr.c;
108
109def bitfield Y_6           y;
110def bitfield X_5           x;
111
112def bitfield IMMED_15_4    immed15_4;
113
114def bitfield W_FIELD       wField;
115
116def bitfield ROTATE        rotate;
117def bitfield IMMED_7_0     immed7_0;
118
119def bitfield T_FIELD       tField;
120def bitfield IMMED_11_0    immed11_0;
121
122def bitfield IMMED_20_16   immed20_16;
123def bitfield IMMED_19_16   immed19_16;
124
125def bitfield IMMED_HI_11_8 immedHi11_8;
126def bitfield IMMED_LO_3_0  immedLo3_0;
127
128def bitfield ROT           rot;
129
130def bitfield R_FIELD       rField;
131
132def bitfield CARET         caret;
133def bitfield REGLIST       regList;
134
135def bitfield OFFSET        offset;
136def bitfield COPRO         copro;
137def bitfield OP1_7_4       op1_7_4;
138def bitfield CM            cm;
139
140def bitfield L_FIELD       lField;
141def bitfield CD            cd;
142def bitfield OPTION        option;
143
144def bitfield OP1_23_20     op1_23_20;
145def bitfield CN            cn;
146def bitfield OP2_7_5       op2_7_5;
147
148def bitfield OP1_23_21     op1_23_21;
149
150def bitfield IMMED_23_0    immed23_0;
151def bitfield M_FIELD       mField;
152def bitfield A_FIELD       aField;
153def bitfield I_FIELD       iField;
154def bitfield F_FIELD       fField;
155def bitfield MODE          mode;
156
157def bitfield A_BLX         aBlx;
158
159def bitfield CPNUM	   cpNum;
160// Note that FP Regs are only 3 bits
161def bitfield FN		   fn;
162def bitfield FD		   fd;
163def bitfield FPREGIMM	   fpRegImm;
164// We can just use 3:0 for FM since the hard-wired FP regs are handled in
165// float_regfile.hh
166def bitfield FM		   fm;
167def bitfield FPIMM	   fpImm;
168def bitfield PUNWL	   punwl;
169
170// M5 instructions
171def bitfield M5FUNC        m5Func;
172
173