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[/] [or1k/] [tags/] [nog_patch_68/] [gen_or1k_isa/] [sources/] [or32.c] - Blame information for rev 1342

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1 133 markom 
/* Table of opcodes for the OpenRISC 1000 ISA.
2 
   Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
3 
   Contributed by Damjan Lampret (lampret@opencores.org).
4 
 
5 717 markom 
This file is part of gen_or1k_isa, or1ksim, GDB and GAS.
6 133 markom 
 
7 
This program is free software; you can redistribute it and/or modify
8 
it under the terms of the GNU General Public License as published by
9 
the Free Software Foundation; either version 2 of the License, or
10 
(at your option) any later version.
11 
 
12 
This program is distributed in the hope that it will be useful,
13 
but WITHOUT ANY WARRANTY; without even the implied warranty of
14 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 
GNU General Public License for more details.
16 
 
17 
You should have received a copy of the GNU General Public License
18 
along with this program; if not, write to the Free Software
19 
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
20 
 
21 1114 lampret 
/*
22 
 * $Log: not supported by cvs2svn $
23 1342 nogj 
 * Revision 1.38  2005/01/27 13:15:50  nogj
24 
 * Mark wich operand is the destination operand in the architechture definition
25 
 *
26 1341 nogj 
 * Revision 1.37  2005/01/11 15:41:58  andreje
27 
 * l.ff1 instruction added
28 
 *
29 1338 andreje 
 * Revision 1.36  2004/07/22 20:17:23  phoenix
30 
 * removed includes
31 
 *
32 1309 phoenix 
 * Revision 1.35  2004/07/19 23:07:37  phoenix
33 
 * Gyorgy Jeney: extensive cleanup
34 
 *
35 1308 phoenix 
 * Revision 1.34  2004/06/27 22:56:48  lampret
36 
 * Updated instruction set descriptions. Changed FP instructions encoding.
37 
 *
38 1295 lampret 
 * Revision 1.33  2004/05/09 19:52:31  lampret
39 
 * Changed desciption of the l.cust5 insns
40 
 *
41 1285 lampret 
 * Revision 1.31  2003/07/01 19:34:49  csanchez
42 
 * Added support for l.addc instruction.
43 
 *
44 1169 csanchez 
 * Revision 1.30  2003/01/28 03:49:24  lampret
45 
 * Added cvs log keywords
46 
 *
47 1114 lampret 
 */
48 
 
49 133 markom 
#include <string.h>
50 
#include <stdio.h>
51 
#include <stdlib.h>
52 371 markom 
#include <ctype.h>
53 133 markom 
 
54 371 markom 
 
55 138 markom 
#ifdef HAVE_CONFIG_H
56 
# include "config.h"
57 
#endif
58 1342 nogj 
#ifdef HAS_EXECUTION
59 
# include "abstract.h" /* To get struct iqueue_entry */
60 
#endif
61 133 markom 
#include "opcode/or32.h"
62 
 
63 
/* **INDENT-OFF** */
64 
 
65 1342 nogj 
/* We treat all letters the same in encode/decode routines so
66 
   we need to assign some characteristics to them like signess etc.*/
67 133 markom 
CONST struct or32_letter or32_letters[] =
68 
{
69 
{ 'A', NUM_UNSIGNED },
70 
{ 'B', NUM_UNSIGNED },
71 
{ 'D', NUM_UNSIGNED },
72 
{ 'I', NUM_SIGNED },
73 
{ 'K', NUM_UNSIGNED },
74 
{ 'L', NUM_UNSIGNED },
75 
{ 'N', NUM_SIGNED },
76 
{ '0', NUM_UNSIGNED },
77 
{ '\0', 0 }     /* dummy entry */
78 
};
79 
 
80 
/* Opcode encoding:
81 
   machine[31:30]: first two bits of opcode
82 
                   00 - neither of source operands is GPR
83 
                   01 - second source operand is GPR (rB)
84 
                   10 - first source operand is GPR (rA)
85 
                   11 - both source operands are GPRs (rA and rB)
86 
   machine[29:26]: next four bits of opcode
87 
   machine[25:00]: instruction operands (specific to individual instruction)
88 
 
89 
  Recommendation: irrelevant instruction bits should be set with a value of
90 
  bits in same positions of instruction preceding current instruction in the
91 
  code (when assembling).
92 
*/
93 
 
94 1341 nogj 
#ifdef HAS_EXECUTION
95 
# if SIMPLE_EXECUTION
96 
#  define EFN &l_none
97 
#  define EF(func) &(func)
98 
#  define EFI &l_invalid
99 
# else /* SIMPLE_EXECUTION */
100 
#  define EFN "l_none"
101 
#  define EFI "l_invalid"
102 
#  ifdef __GNUC__
103 
#   define EF(func) #func
104 
#  else
105 
#   define EF(func) "func"
106 
#  endif
107 
# endif /* SIMPLE_EXECUTION */
108 
#else /* HAS_EXECUTION */
109 
# define EFN &l_none
110 
# define EF(func) EFN
111 
# define EFI EFN
112 133 markom 
#endif /* HAS_EXECUTION */
113 
 
114 
CONST struct or32_opcode or32_opcodes[] =
115 
{
116 
 
117 
{ "l.j",       "N",            "00 0x0  NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_j), OR32_IF_DELAY },
118 
{ "l.jal",     "N",            "00 0x1  NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_jal), OR32_IF_DELAY },
119 138 markom 
{ "l.bnf",     "N",            "00 0x3  NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_bnf), OR32_IF_DELAY | OR32_R_FLAG},
120 
{ "l.bf",      "N",            "00 0x4  NNNNN NNNNN NNNN NNNN NNNN NNNN", EF(l_bf), OR32_IF_DELAY | OR32_R_FLAG },
121 676 markom 
{ "l.nop",     "K",            "00 0x5  01--- ----- KKKK KKKK KKKK KKKK", EF(l_nop), 0 },
122 133 markom 
{ "l.movhi",   "rD,K",         "00 0x6  DDDDD ----0 KKKK KKKK KKKK KKKK", EF(l_movhi), 0 }, /*MM*/
123 
{ "l.macrc",   "rD",           "00 0x6  DDDDD ----1 0000 0000 0000 0000", EF(l_macrc), 0 }, /*MM*/
124 676 markom 
 
125 133 markom 
{ "l.sys",     "K",            "00 0x8  00000 00000 KKKK KKKK KKKK KKKK", EF(l_sys), 0 },
126 144 chris 
{ "l.trap",    "K",            "00 0x8  01000 00000 KKKK KKKK KKKK KKKK", EF(l_trap), 0 }, /* CZ 21/06/01 */
127 133 markom 
{ "l.msync",   "",             "00 0x8  10000 00000 0000 0000 0000 0000", EFN, 0 },
128 
{ "l.psync",   "",             "00 0x8  10100 00000 0000 0000 0000 0000", EFN, 0 },
129 
{ "l.csync",   "",             "00 0x8  11000 00000 0000 0000 0000 0000", EFN, 0 },
130 
{ "l.rfe",     "",             "00 0x9  ----- ----- ---- ---- ---- ----", EF(l_rfe), OR32_IF_DELAY },
131 
 
132 
{ "lv.all_eq.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x0", EFI, 0 },
133 
{ "lv.all_eq.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x1", EFI, 0 },
134 
{ "lv.all_ge.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x2", EFI, 0 },
135 
{ "lv.all_ge.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x3", EFI, 0 },
136 
{ "lv.all_gt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x4", EFI, 0 },
137 
{ "lv.all_gt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x5", EFI, 0 },
138 
{ "lv.all_le.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x6", EFI, 0 },
139 
{ "lv.all_le.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x7", EFI, 0 },
140 
{ "lv.all_lt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x8", EFI, 0 },
141 
{ "lv.all_lt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0x9", EFI, 0 },
142 
{ "lv.all_ne.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0xA", EFI, 0 },
143 
{ "lv.all_ne.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x1 0xB", EFI, 0 },
144 
{ "lv.any_eq.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x0", EFI, 0 },
145 
{ "lv.any_eq.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x1", EFI, 0 },
146 
{ "lv.any_ge.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x2", EFI, 0 },
147 
{ "lv.any_ge.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x3", EFI, 0 },
148 
{ "lv.any_gt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x4", EFI, 0 },
149 
{ "lv.any_gt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x5", EFI, 0 },
150 
{ "lv.any_le.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x6", EFI, 0 },
151 
{ "lv.any_le.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x7", EFI, 0 },
152 
{ "lv.any_lt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x8", EFI, 0 },
153 
{ "lv.any_lt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0x9", EFI, 0 },
154 
{ "lv.any_ne.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0xA", EFI, 0 },
155 
{ "lv.any_ne.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x2 0xB", EFI, 0 },
156 
{ "lv.add.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x0", EFI, 0 },
157 
{ "lv.add.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x1", EFI, 0 },
158 
{ "lv.adds.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x2", EFI, 0 },
159 
{ "lv.adds.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x3", EFI, 0 },
160 
{ "lv.addu.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x4", EFI, 0 },
161 
{ "lv.addu.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x5", EFI, 0 },
162 
{ "lv.addus.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x6", EFI, 0 },
163 
{ "lv.addus.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x7", EFI, 0 },
164 
{ "lv.and",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x8", EFI, 0 },
165 
{ "lv.avg.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0x9", EFI, 0 },
166 
{ "lv.avg.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x3 0xA", EFI, 0 },
167 
{ "lv.cmp_eq.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x0", EFI, 0 },
168 
{ "lv.cmp_eq.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x1", EFI, 0 },
169 
{ "lv.cmp_ge.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x2", EFI, 0 },
170 
{ "lv.cmp_ge.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x3", EFI, 0 },
171 
{ "lv.cmp_gt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x4", EFI, 0 },
172 
{ "lv.cmp_gt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x5", EFI, 0 },
173 
{ "lv.cmp_le.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x6", EFI, 0 },
174 
{ "lv.cmp_le.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x7", EFI, 0 },
175 
{ "lv.cmp_lt.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x8", EFI, 0 },
176 
{ "lv.cmp_lt.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0x9", EFI, 0 },
177 
{ "lv.cmp_ne.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0xA", EFI, 0 },
178 
{ "lv.cmp_ne.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x4 0xB", EFI, 0 },
179 
{ "lv.madds.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x4", EFI, 0 },
180 
{ "lv.max.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x5", EFI, 0 },
181 
{ "lv.max.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x6", EFI, 0 },
182 
{ "lv.merge.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x7", EFI, 0 },
183 
{ "lv.merge.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x8", EFI, 0 },
184 
{ "lv.min.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0x9", EFI, 0 },
185 
{ "lv.min.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xA", EFI, 0 },
186 
{ "lv.msubs.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xB", EFI, 0 },
187 
{ "lv.muls.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xC", EFI, 0 },
188 
{ "lv.nand",   "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xD", EFI, 0 },
189 
{ "lv.nor",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xE", EFI, 0 },
190 
{ "lv.or",     "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x5 0xF", EFI, 0 },
191 
{ "lv.pack.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x0", EFI, 0 },
192 
{ "lv.pack.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x1", EFI, 0 },
193 
{ "lv.packs.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x2", EFI, 0 },
194 
{ "lv.packs.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x3", EFI, 0 },
195 
{ "lv.packus.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x4", EFI, 0 },
196 
{ "lv.packus.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x5", EFI, 0 },
197 
{ "lv.perm.n", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x6", EFI, 0 },
198 
{ "lv.rl.b",   "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x7", EFI, 0 },
199 
{ "lv.rl.h",   "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x8", EFI, 0 },
200 
{ "lv.sll.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0x9", EFI, 0 },
201 
{ "lv.sll.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xA", EFI, 0 },
202 
{ "lv.sll",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xB", EFI, 0 },
203 
{ "lv.srl.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xC", EFI, 0 },
204 
{ "lv.srl.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xD", EFI, 0 },
205 
{ "lv.sra.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xE", EFI, 0 },
206 
{ "lv.sra.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x6 0xF", EFI, 0 },
207 
{ "lv.srl",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x0", EFI, 0 },
208 
{ "lv.sub.b",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x1", EFI, 0 },
209 
{ "lv.sub.h",  "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x2", EFI, 0 },
210 
{ "lv.subs.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x3", EFI, 0 },
211 
{ "lv.subs.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x4", EFI, 0 },
212 
{ "lv.subu.b", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x5", EFI, 0 },
213 
{ "lv.subu.h", "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x6", EFI, 0 },
214 
{ "lv.subus.b","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x7", EFI, 0 },
215 
{ "lv.subus.h","rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x8", EFI, 0 },
216 
{ "lv.unpack.b","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0x9", EFI, 0 },
217 
{ "lv.unpack.h","rD,rA,rB",    "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0xA", EFI, 0 },
218 
{ "lv.xor",    "rD,rA,rB",     "00 0xA  DDDDD AAAAA BBBB B--- 0x7 0xB", EFI, 0 },
219 
{ "lv.cust1",  "",             "00 0xA  ----- ----- ---- ---- 0xC ----", EFI, 0 },
220 
{ "lv.cust2",  "",             "00 0xA  ----- ----- ---- ---- 0xD ----", EFI, 0 },
221 
{ "lv.cust3",  "",             "00 0xA  ----- ----- ---- ---- 0xE ----", EFI, 0 },
222 
{ "lv.cust4",  "",             "00 0xA  ----- ----- ---- ---- 0xF ----", EFI, 0 },
223 
 
224 
{ "l.jr",      "rB",           "01 0x1  ----- ----- BBBB B--- ---- ----", EF(l_jr), OR32_IF_DELAY },
225 
{ "l.jalr",    "rB",           "01 0x2  ----- ----- BBBB B--- ---- ----", EF(l_jalr), OR32_IF_DELAY },
226 676 markom 
{ "l.maci",    "rB,I",         "01 0x3  IIIII ----- BBBB BIII IIII IIII", EF(l_mac), 0 },
227 174 markom 
{ "l.cust1",   "",             "01 0xC  ----- ----- ---- ---- ---- ----", EF(l_cust1), 0 },
228 
{ "l.cust2",   "",             "01 0xD  ----- ----- ---- ---- ---- ----", EF(l_cust2), 0 },
229 
{ "l.cust3",   "",             "01 0xE  ----- ----- ---- ---- ---- ----", EF(l_cust3), 0 },
230 
{ "l.cust4",   "",             "01 0xF  ----- ----- ---- ---- ---- ----", EF(l_cust4), 0 },
231 133 markom 
 
232 
{ "l.ld",      "rD,I(rA)",     "10 0x0  DDDDD AAAAA IIII IIII IIII IIII", EFI, 0 },
233 
{ "l.lwz",     "rD,I(rA)",     "10 0x1  DDDDD AAAAA IIII IIII IIII IIII", EF(l_lwz), 0 },
234 
{ "l.lws",     "rD,I(rA)",     "10 0x2  DDDDD AAAAA IIII IIII IIII IIII", EFI, 0 },
235 
{ "l.lbz",     "rD,I(rA)",     "10 0x3  DDDDD AAAAA IIII IIII IIII IIII", EF(l_lbz), 0 },
236 
{ "l.lbs",     "rD,I(rA)",     "10 0x4  DDDDD AAAAA IIII IIII IIII IIII", EF(l_lbs), 0 },
237 
{ "l.lhz",     "rD,I(rA)",     "10 0x5  DDDDD AAAAA IIII IIII IIII IIII", EF(l_lhz), 0 },
238 
{ "l.lhs",     "rD,I(rA)",     "10 0x6  DDDDD AAAAA IIII IIII IIII IIII", EF(l_lhs), 0 },
239 
 
240 676 markom 
{ "l.addi",    "rD,rA,I",      "10 0x7  DDDDD AAAAA IIII IIII IIII IIII", EF(l_add), OR32_W_FLAG },
241 133 markom 
{ "l.addic",   "rD,rA,I",      "10 0x8  DDDDD AAAAA IIII IIII IIII IIII", EFI, 0 },
242 676 markom 
{ "l.andi",    "rD,rA,K",      "10 0x9  DDDDD AAAAA KKKK KKKK KKKK KKKK", EF(l_and), OR32_W_FLAG },
243 133 markom 
{ "l.ori",     "rD,rA,K",      "10 0xA  DDDDD AAAAA KKKK KKKK KKKK KKKK", EF(l_or), 0  },
244 
{ "l.xori",    "rD,rA,I",      "10 0xB  DDDDD AAAAA IIII IIII IIII IIII", EF(l_xor), 0 },
245 801 markom 
{ "l.muli",    "rD,rA,I",      "10 0xC  DDDDD AAAAA IIII IIII IIII IIII", EF(l_mul), 0 },
246 676 markom 
{ "l.mfspr",   "rD,rA,K",      "10 0xD  DDDDD AAAAA KKKK KKKK KKKK KKKK", EF(l_mfspr), 0 },
247 133 markom 
{ "l.slli",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 00LL LLLL", EF(l_sll), 0 },
248 
{ "l.srli",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 01LL LLLL", EF(l_srl), 0 },
249 
{ "l.srai",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 10LL LLLL", EF(l_sra), 0 },
250 
{ "l.rori",    "rD,rA,L",      "10 0xE  DDDDD AAAAA ---- ---- 11LL LLLL", EFI, 0 },
251 
 
252 138 markom 
{ "l.sfeqi",   "rA,I",         "10 0xF  00000 AAAAA IIII IIII IIII IIII", EF(l_sfeq), OR32_W_FLAG },
253 
{ "l.sfnei",   "rA,I",         "10 0xF  00001 AAAAA IIII IIII IIII IIII", EF(l_sfne), OR32_W_FLAG },
254 
{ "l.sfgtui",  "rA,I",         "10 0xF  00010 AAAAA IIII IIII IIII IIII", EF(l_sfgtu), OR32_W_FLAG },
255 
{ "l.sfgeui",  "rA,I",         "10 0xF  00011 AAAAA IIII IIII IIII IIII", EF(l_sfgeu), OR32_W_FLAG },
256 
{ "l.sfltui",  "rA,I",         "10 0xF  00100 AAAAA IIII IIII IIII IIII", EF(l_sfltu), OR32_W_FLAG },
257 
{ "l.sfleui",  "rA,I",         "10 0xF  00101 AAAAA IIII IIII IIII IIII", EF(l_sfleu), OR32_W_FLAG },
258 
{ "l.sfgtsi",  "rA,I",         "10 0xF  01010 AAAAA IIII IIII IIII IIII", EF(l_sfgts), OR32_W_FLAG },
259 
{ "l.sfgesi",  "rA,I",         "10 0xF  01011 AAAAA IIII IIII IIII IIII", EF(l_sfges), OR32_W_FLAG },
260 
{ "l.sfltsi",  "rA,I",         "10 0xF  01100 AAAAA IIII IIII IIII IIII", EF(l_sflts), OR32_W_FLAG },
261 
{ "l.sflesi",  "rA,I",         "10 0xF  01101 AAAAA IIII IIII IIII IIII", EF(l_sfles), OR32_W_FLAG },
262 133 markom 
 
263 676 markom 
{ "l.mtspr",   "rA,rB,K",      "11 0x0  KKKKK AAAAA BBBB BKKK KKKK KKKK", EF(l_mtspr), 0 },
264 
{ "l.mac",     "rA,rB",        "11 0x1  ----- AAAAA BBBB B--- ---- 0x1", EF(l_mac), 0 }, /*MM*/
265 
{ "l.msb",     "rA,rB",        "11 0x1  ----- AAAAA BBBB B--- ---- 0x2", EF(l_msb), 0 }, /*MM*/
266 
 
267 1295 lampret 
{ "lf.add.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x0", EF(lf_add_s), 0 },
268 
{ "lf.sub.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x1", EF(lf_sub_s), 0 },
269 
{ "lf.mul.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x2", EF(lf_mul_s), 0 },
270 
{ "lf.div.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x3", EF(lf_div_s), 0 },
271 
{ "lf.itof.s",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x0 0x4", EF(lf_itof_s), 0 },
272 
{ "lf.ftoi.s",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x0 0x5", EF(lf_ftoi_s), 0 },
273 
{ "lf.rem.s",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x6", EF(lf_rem_s), 0 },
274 
{ "lf.madd.s",  "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x0 0x7", EF(lf_madd_s), 0 },
275 
{ "lf.sfeq.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0x8", EF(lf_sfeq_s), 0 },
276 
{ "lf.sfne.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0x9", EF(lf_sfne_s), 0 },
277 
{ "lf.sfgt.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xA", EF(lf_sfgt_s), 0 },
278 
{ "lf.sfge.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xB", EF(lf_sfge_s), 0 },
279 
{ "lf.sflt.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xC", EF(lf_sflt_s), 0 },
280 
{ "lf.sfle.s",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x0 0xD", EF(lf_sfle_s), 0 },
281 
{ "lf.cust1.s", "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0xD ----", EFI, 0 },
282 
 
283 
{ "lf.add.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x0", EFI, 0 },
284 
{ "lf.sub.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x1", EFI, 0 },
285 
{ "lf.mul.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x2", EFI, 0 },
286 
{ "lf.div.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x3", EFI, 0 },
287 
{ "lf.itof.d",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x1 0x4", EFI, 0 },
288 
{ "lf.ftoi.d",  "rD,rA",       "11 0x2  DDDDD AAAAA 0000 0--- 0x1 0x5", EFI, 0 },
289 
{ "lf.rem.d",   "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x6", EFI, 0 },
290 
{ "lf.madd.d",  "rD,rA,rB",    "11 0x2  DDDDD AAAAA BBBB B--- 0x1 0x7", EFI, 0 },
291 
{ "lf.sfeq.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0x8", EFI, 0 },
292 
{ "lf.sfne.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0x9", EFI, 0 },
293 
{ "lf.sfgt.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xA", EFI, 0 },
294 
{ "lf.sfge.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xB", EFI, 0 },
295 
{ "lf.sflt.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xC", EFI, 0 },
296 
{ "lf.sfle.d",  "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0x1 0xD", EFI, 0 },
297 
{ "lf.cust1.d", "rA,rB",       "11 0x2  ----- AAAAA BBBB B--- 0xE ----", EFI, 0 },
298 
 
299 1341 nogj 
{ "l.sd",      "I(rD),rB",     "11 0x4  IIIII DDDDD BBBB BIII IIII IIII", EFI, 0 },
300 
{ "l.sw",      "I(rD),rB",     "11 0x5  IIIII DDDDD BBBB BIII IIII IIII", EF(l_sw), 0 },
301 
{ "l.sb",      "I(rD),rB",     "11 0x6  IIIII DDDDD BBBB BIII IIII IIII", EF(l_sb), 0 },
302 
{ "l.sh",      "I(rD),rB",     "11 0x7  IIIII DDDDD BBBB BIII IIII IIII", EF(l_sh), 0 },
303 133 markom 
 
304 676 markom 
{ "l.add",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x0", EF(l_add), OR32_W_FLAG },
305 1169 csanchez 
{ "l.addc",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x1", EF(l_addc), OR32_W_FLAG },
306 133 markom 
{ "l.sub",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x2", EF(l_sub), 0 },
307 676 markom 
{ "l.and",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x3", EF(l_and), OR32_W_FLAG },
308 133 markom 
{ "l.or",      "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x4", EF(l_or), 0 },
309 
{ "l.xor",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0x5", EF(l_xor), 0 },
310 
{ "l.mul",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0x6", EF(l_mul), 0 },
311 676 markom 
 
312 133 markom 
{ "l.sll",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 00-- 0x8", EF(l_sll), 0 },
313 
{ "l.srl",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 01-- 0x8", EF(l_srl), 0 },
314 
{ "l.sra",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 10-- 0x8", EF(l_sra), 0 },
315 
{ "l.ror",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 11-- 0x8", EFI, 0 },
316 1034 lampret 
{ "l.div",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0x9", EF(l_div), 0 },
317 
{ "l.divu",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0xA", EF(l_divu), 0 },
318 133 markom 
{ "l.mulu",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-11 ---- 0xB", EFI, 0 },
319 1295 lampret 
{ "l.extbs",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 01-- 0xC", EF(l_extbs), 0 },
320 
{ "l.exths",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 00-- 0xC", EF(l_exths), 0 },
321 
{ "l.extws",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 00-- 0xD", EF(l_extws), 0 },
322 
{ "l.extbz",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 11-- 0xC", EF(l_extbz), 0 },
323 
{ "l.exthz",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 10-- 0xC", EF(l_exthz), 0 },
324 
{ "l.extwz",   "rD,rA",     "11 0x8  DDDDD AAAAA ---- --00 01-- 0xD", EF(l_extwz), 0 },
325 676 markom 
{ "l.cmov",    "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0xE", EF(l_cmov), OR32_R_FLAG },
326 1338 andreje 
{ "l.ff1",     "rD,rA,rB",     "11 0x8  DDDDD AAAAA BBBB B-00 ---- 0xF", EF(l_ff1), 0 },
327 
 
328 138 markom 
{ "l.sfeq",    "rA,rB",        "11 0x9  00000 AAAAA BBBB B--- ---- ----", EF(l_sfeq), OR32_W_FLAG },
329 
{ "l.sfne",    "rA,rB",        "11 0x9  00001 AAAAA BBBB B--- ---- ----", EF(l_sfne), OR32_W_FLAG },
330 
{ "l.sfgtu",   "rA,rB",        "11 0x9  00010 AAAAA BBBB B--- ---- ----", EF(l_sfgtu), OR32_W_FLAG },
331 
{ "l.sfgeu",   "rA,rB",        "11 0x9  00011 AAAAA BBBB B--- ---- ----", EF(l_sfgeu), OR32_W_FLAG },
332 
{ "l.sfltu",   "rA,rB",        "11 0x9  00100 AAAAA BBBB B--- ---- ----", EF(l_sfltu), OR32_W_FLAG },
333 
{ "l.sfleu",   "rA,rB",        "11 0x9  00101 AAAAA BBBB B--- ---- ----", EF(l_sfleu), OR32_W_FLAG },
334 
{ "l.sfgts",   "rA,rB",        "11 0x9  01010 AAAAA BBBB B--- ---- ----", EF(l_sfgts), OR32_W_FLAG },
335 
{ "l.sfges",   "rA,rB",        "11 0x9  01011 AAAAA BBBB B--- ---- ----", EF(l_sfges), OR32_W_FLAG },
336 
{ "l.sflts",   "rA,rB",        "11 0x9  01100 AAAAA BBBB B--- ---- ----", EF(l_sflts), OR32_W_FLAG },
337 
{ "l.sfles",   "rA,rB",        "11 0x9  01101 AAAAA BBBB B--- ---- ----", EF(l_sfles), OR32_W_FLAG },
338 133 markom 
 
339 1285 lampret 
{ "l.cust5",   "rD,rA,rB,L,K", "11 0xC  DDDDD AAAAA BBBB BLLL LLLK KKKK", EFI, 0 },
340 133 markom 
{ "l.cust6",   "",             "11 0xD  ----- ----- ---- ---- ---- ----", EFI, 0 },
341 
{ "l.cust7",   "",             "11 0xE  ----- ----- ---- ---- ---- ----", EFI, 0 },
342 
{ "l.cust8",   "",             "11 0xF  ----- ----- ---- ---- ---- ----", EFI, 0 },
343 
 
344 221 markom 
/* This section should not be defined in or1ksim, since it contains duplicates,
345 
   which would cause machine builder to complain.  */
346 374 simons 
#ifdef HAS_CUST
347 221 markom 
{ "l.cust5_1",   "rD",         "11 0xC  DDDDD ----- ---- ---- ---- ----", EFI, 0 },
348 
{ "l.cust5_2",   "rD,rA"   ,   "11 0xC  DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
349 
{ "l.cust5_3",   "rD,rA,rB",   "11 0xC  DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
350 
 
351 
{ "l.cust6_1",   "rD",         "11 0xD  DDDDD ----- ---- ---- ---- ----", EFI, 0 },
352 
{ "l.cust6_2",   "rD,rA"   ,   "11 0xD  DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
353 
{ "l.cust6_3",   "rD,rA,rB",   "11 0xD  DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
354 
 
355 
{ "l.cust7_1",   "rD",         "11 0xE  DDDDD ----- ---- ---- ---- ----", EFI, 0 },
356 
{ "l.cust7_2",   "rD,rA"   ,   "11 0xE  DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
357 
{ "l.cust7_3",   "rD,rA,rB",   "11 0xE  DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
358 
 
359 
{ "l.cust8_1",   "rD",         "11 0xF  DDDDD ----- ---- ---- ---- ----", EFI, 0 },
360 
{ "l.cust8_2",   "rD,rA"   ,   "11 0xF  DDDDD AAAAA ---- ---- ---- ----", EFI, 0 },
361 
{ "l.cust8_3",   "rD,rA,rB",   "11 0xF  DDDDD AAAAA BBBB B--- ---- ----", EFI, 0 },
362 
#endif
363 
 
364 133 markom 
{ "", "", "", EFI, 0 }           /* Dummy entry, not included in num_opcodes.  This
365 
                           lets code examine entry i+1 without checking
366 
                           if we've run off the end of the table.  */
367 
};
368 
 
369 
#undef EFI
370 
#undef EFN
371 
#undef EF
372 
 
373 
/* **INDENT-ON** */
374 
 
375 371 markom 
/* Define dummy, if debug is not defined.  */
376 1341 nogj 
#ifndef HAS_DEBUG
377 
#define debug(l, fmt...) ;
378 371 markom 
#endif
379 133 markom 
 
380 371 markom 
CONST int num_opcodes = ((sizeof(or32_opcodes)) / (sizeof(struct or32_opcode))) - 1;
381 
 
382 138 markom 
/* Calculates instruction length in bytes. Always 4 for OR32. */
383 
int
384 
insn_len(int insn_index)
385 133 markom 
{
386 
  insn_index = 0; /* Just to get rid that warning.  */
387 
  return 4;
388 
}
389 
 
390 
/* Is individual insn's operand signed or unsigned? */
391 138 markom 
int
392 
letter_signed(char l)
393 133 markom 
{
394 
  CONST struct or32_letter *pletter;
395 
 
396 
  for(pletter = or32_letters; pletter->letter != '\0'; pletter++)
397 
    if (pletter->letter == l)
398 
      return pletter->sign;
399 
 
400 
  printf("letter_signed(%c): Unknown letter.\n", l);
401 
  return 0;
402 
}
403 
 
404 703 markom 
/* Simple cache for letter ranges */
405 
static int range_cache[256] = {0};
406 
 
407 133 markom 
/* Number of letters in the individual lettered operand. */
408 138 markom 
int
409 
letter_range(char l)
410 133 markom 
{
411 
  CONST struct or32_opcode *pinsn;
412 
  char *enc;
413 
  int range = 0;
414 703 markom 
 
415 
  /* Is value cached? */
416 1308 phoenix 
  if ((range = range_cache[(unsigned char)l])) return range;
417 133 markom 
 
418 138 markom 
  for(pinsn = or32_opcodes; strlen(pinsn->name); pinsn++)
419 
    {
420 
      if (strchr(pinsn->encoding,l))
421 
        {
422 
          for (enc = pinsn->encoding; *enc != '\0'; enc++)
423 
            if ((*enc == '0') && (*(enc+1) == 'x'))
424 
              enc += 2;
425 
            else if (*enc == l)
426 
              range++;
427 703 markom 
          return range_cache[(unsigned char)l] = range;
428 133 markom 
        }
429 
    }
430 703 markom 
 
431 133 markom 
  printf("\nABORT: letter_range(%c): Never used letter.\n", l);
432 
  exit(1);
433 
}
434 
 
435 
/* MM: Returns index of given instruction name.  */
436 138 markom 
int
437 
insn_index (char *insn)
438 
{
439 133 markom 
  int i, found = -1;
440 371 markom 
  for (i = 0; i < num_opcodes; i++)
441 138 markom 
    if (!strcmp (or32_opcodes[i].name, insn))
442 
      {
443 
        found = i;
444 
        break;
445 
      }
446 133 markom 
  return found;
447 
}
448 
 
449 717 markom 
/* Returns name of the specified instruction index */
450 
CONST char *
451 
insn_name(int index)
452 138 markom 
{
453 371 markom 
  if (index >= 0 && index < num_opcodes)
454 133 markom 
    return or32_opcodes[index].name;
455 
  else
456 
    return "???";
457 
}
458 
 
459 1342 nogj 
#if defined(HAS_EXECUTION) && SIMPLE_EXECUTION
460 717 markom 
void
461 1342 nogj 
l_none(struct iqueue_entry *current)
462 
{
463 
}
464 
#else
465 
void
466 717 markom 
l_none()
467 138 markom 
{
468 133 markom 
}
469 1342 nogj 
#endif
470 133 markom 
 
471 
/*** Finite automata for instruction decoding building code ***/
472 
 
473 1341 nogj 
/* Find symbols in encoding.  */
474 706 markom 
unsigned long
475 133 markom 
insn_extract(param_ch, enc_initial)
476 
     char param_ch;
477 
     char *enc_initial;
478 
{
479 
  char *enc;
480 
  unsigned long ret = 0;
481 
  unsigned opc_pos = 32;
482 
  for (enc = enc_initial; *enc != '\0'; )
483 
    if ((*enc == '0') && (*(enc+1) == 'x'))
484 
      {
485 
        unsigned long tmp = strtol(enc+2, NULL, 16);
486 
        opc_pos -= 4;
487 138 markom 
        if (param_ch == '0' || param_ch == '1')
488 
          {
489 
            if (param_ch == '0')
490 
              tmp = 15 - tmp;
491 
            ret |= tmp << opc_pos;
492 
          }
493 133 markom 
        enc += 3;
494 
      }
495 138 markom 
    else
496 
      {
497 
        if (*enc == '0' || *enc == '1' || *enc == '-' || isalpha(*enc) )
498 
          {
499 
            opc_pos--;
500 
            if (param_ch == *enc)
501 
              ret |= 1 << opc_pos;
502 
          }
503 
        enc++;
504 133 markom 
      }
505 
  return ret;
506 
}
507 
 
508 138 markom 
#define MAX_AUTOMATA_SIZE (1200)
509 
#define MAX_OP_TABLE_SIZE (1200)
510 133 markom 
#define MAX_LEN           (8)
511 
 
512 
#ifndef MIN
513 
# define MIN(x,y)          ((x) < (y) ? (x) : (y))
514 
#endif
515 
 
516 
unsigned long *automata;
517 
int nuncovered;
518 
int curpass = 0;
519 
 
520 1341 nogj 
/* MM: Struct that holds runtime build information about instructions.  */
521 1342 nogj 
struct temp_insn_struct *ti;
522 138 markom 
 
523 
struct insn_op_struct *op_data, **op_start;
524 
 
525 
/* Recursive utility function used to find best match and to build automata.  */
526 
 
527 
static unsigned long *
528 
cover_insn (unsigned long *cur, int pass, unsigned int mask)
529 
{
530 133 markom 
  int best_first = 0, best_len = 0, i, last_match = -1, ninstr = 0;
531 
  unsigned long cur_mask = mask;
532 
  unsigned long *next;
533 
 
534 
  for (i = 0; i < num_opcodes; i++)
535 138 markom 
    if (ti[i].in_pass == pass)
536 
      {
537 
        cur_mask &= ti[i].insn_mask;
538 
        ninstr++;
539 
        last_match = i;
540 
      }
541 
 
542 344 markom 
  debug(8, "%08X %08X\n", mask, cur_mask);
543 138 markom 
  if (ninstr == 0)
544 
    return 0;
545 
  if (ninstr == 1)
546 
    {
547 
      /* Leaf holds instruction index. */
548 344 markom 
      debug(8, "%i>I%i %s\n", cur - automata, last_match, or32_opcodes[last_match].name);
549 138 markom 
      *cur = LEAF_FLAG | last_match;
550 
      cur++;
551 
      nuncovered--;
552 
    } else {
553 
      /* Find longest match.  */
554 
      for (i = 0; i < 32; i++)
555 
        {
556 
          int len;
557 
          for (len = best_len + 1; len < MIN(MAX_LEN, 33 - i); len++)
558 
            {
559 
              unsigned long m = (1UL << ((unsigned long)len)) - 1;
560 344 markom 
              debug(9, " (%i(%08X & %08X>>%i = %08X, %08X)",len,m, cur_mask, i, (cur_mask >> (unsigned)i), (cur_mask >> (unsigned)i) & m);
561 138 markom 
              if ((m & (cur_mask >> (unsigned)i)) == m)
562 
                {
563 
                  best_len = len;
564 
                  best_first = i;
565 344 markom 
                  debug(9, "!");
566 138 markom 
                }
567 
              else
568 
                break;
569 
            }
570 
        }
571 344 markom 
      debug(9, "\n");
572 138 markom 
      if (!best_len)
573 
        {
574 
          fprintf (stderr, "%i instructions match mask 0x%08X:\n", ninstr, mask);
575 
          for (i = 0; i < num_opcodes; i++)
576 
            if (ti[i].in_pass == pass)
577 
              fprintf (stderr, "%s ", or32_opcodes[i].name);
578 
 
579 
          fprintf (stderr, "\n");
580 
          exit (1);
581 
        }
582 344 markom 
      debug(8, "%i> #### %i << %i (%i) ####\n", cur - automata, best_len, best_first, ninstr);
583 138 markom 
      *cur = best_first;
584 
      cur++;
585 
      *cur = (1 << best_len) - 1;
586 
      cur++;
587 
      next = cur;
588 
      /* Allocate space for pointers.  */
589 
      cur += 1 << best_len;
590 
      cur_mask = (1 << (unsigned long)best_len) - 1;
591 
 
592 
      for (i = 0; i < (1 << (unsigned long)best_len); i++)
593 
        {
594 
          int j;
595 
          unsigned long *c;
596 
          curpass++;
597 
          for (j = 0; j < num_opcodes; j++)
598 
            if (ti[j].in_pass == pass
599 371 markom 
                && ((ti[j].insn >> best_first) & cur_mask) == (unsigned long) i
600 138 markom 
                && ((ti[j].insn_mask >> best_first) & cur_mask) == cur_mask)
601 
              ti[j].in_pass = curpass;
602 
 
603 344 markom 
          debug(9, "%08X %08X %i\n", mask, cur_mask, best_first);
604 138 markom 
          c = cover_insn (cur, curpass, mask & (~(cur_mask << best_first)));
605 
          if (c)
606 
            {
607 344 markom 
              debug(8, "%i> #%X -> %u\n", next - automata, i, cur - automata);
608 138 markom 
              *next = cur - automata;
609 
              cur = c;
610 
            }
611 
          else
612 
            {
613 344 markom 
              debug(8, "%i> N/A\n", next - automata);
614 138 markom 
              *next = 0;
615 
            }
616 
          next++;
617 
        }
618 133 markom 
    }
619 138 markom 
  return cur;
620 
}
621 133 markom 
 
622 138 markom 
/* Returns number of nonzero bits. */
623 
static int
624 
num_ones (unsigned long value)
625 
{
626 
  int c = 0;
627 
  while (value)
628 
    {
629 
      if (value & 1)
630 
        c++;
631 
      value >>= 1;
632 133 markom 
    }
633 138 markom 
  return c;
634 
}
635 133 markom 
 
636 138 markom 
/* Utility function, which converts parameters from or32_opcode format to more binary form.
637 
   Parameters are stored in ti struct.  */
638 
 
639 
static struct insn_op_struct *
640 
parse_params (CONST struct or32_opcode *opcode, struct insn_op_struct *cur)
641 
{
642 
  char *args = opcode->args;
643 
  int i, type;
644 
 
645 
  i = 0;
646 
  type = 0;
647 262 markom 
  /* In case we don't have any parameters, we add dummy read from r0.  */
648 
  if (!(*args)) {
649 263 markom 
    cur->type = OPTYPE_REG | OPTYPE_OP | OPTYPE_LAST;
650 262 markom 
    cur->data = 0;
651 355 markom 
    debug(9, "#%08X %08X\n", cur->type, cur->data);
652 262 markom 
    cur++;
653 
    return cur;
654 
  }
655 
 
656 138 markom 
  while (*args != '\0')
657 
    {
658 
      if (*args == 'r')
659 
        {
660 
          args++;
661 
          type |= OPTYPE_REG;
662 1341 nogj 
          if(args[1] == 'D')
663 
            type |= OPTYPE_DST;
664 133 markom 
        }
665 138 markom 
      else if (isalpha (*args))
666 
        {
667 
          unsigned long arg;
668 
          arg = insn_extract(*args, opcode->encoding);
669 355 markom 
          debug(9, "%s : %08X ------\n", opcode->name, arg);
670 138 markom 
          if (letter_signed (*args))
671 
            {
672 
              type |= OPTYPE_SIG;
673 
              type |= ((num_ones (arg) - 1) << OPTYPE_SBIT_SHR) & OPTYPE_SBIT;
674 
            }
675 
 
676 
          /* Split argument to sequences of consecutive ones.  */
677 
          while (arg)
678 
            {
679 
              int shr = 0;
680 
              unsigned long tmp = arg, mask = 0;
681 
              while ((tmp & 1) == 0)
682 
                {
683 
                  shr++;
684 
                  tmp >>= 1;
685 
                }
686 
              while (tmp & 1)
687 
                {
688 
                  mask++;
689 
                  tmp >>= 1;
690 
                }
691 
              cur->type = type | shr;
692 
              cur->data = mask;
693 
              arg &= ~(((1 << mask) - 1) << shr);
694 355 markom 
              debug(6, "|%08X %08X\n", cur->type, cur->data);
695 138 markom 
              cur++;
696 
            }
697 
          args++;
698 
        }
699 
      else if (*args == '(')
700 
        {
701 
          /* Next param is displacement.  Later we will treat them as one operand.  */
702 
          cur--;
703 
          cur->type = type | cur->type | OPTYPE_DIS | OPTYPE_OP;
704 355 markom 
          debug(9, ">%08X %08X\n", cur->type, cur->data);
705 138 markom 
          cur++;
706 
          type = 0;
707 
          i++;
708 
          args++;
709 
        }
710 
      else if (*args == OPERAND_DELIM)
711 
        {
712 
          cur--;
713 
          cur->type = type | cur->type | OPTYPE_OP;
714 355 markom 
          debug(9, ">%08X %08X\n", cur->type, cur->data);
715 138 markom 
          cur++;
716 
          type = 0;
717 
          i++;
718 
          args++;
719 
        }
720 
      else if (*args == '0')
721 
        {
722 
          cur->type = type;
723 
          cur->data = 0;
724 355 markom 
          debug(9, ">%08X %08X\n", cur->type, cur->data);
725 138 markom 
          cur++;
726 
          type = 0;
727 
          i++;
728 
          args++;
729 
        }
730 
      else if (*args == ')')
731 
        args++;
732 
      else
733 
        {
734 
          fprintf (stderr, "%s : parse error in args.\n", opcode->name);
735 
          exit (1);
736 
        }
737 133 markom 
    }
738 138 markom 
  cur--;
739 
  cur->type = type | cur->type | OPTYPE_OP | OPTYPE_LAST;
740 355 markom 
  debug(9, "#%08X %08X\n", cur->type, cur->data);
741 138 markom 
  cur++;
742 133 markom 
  return cur;
743 
}
744 
 
745 138 markom 
/* Constructs new automata based on or32_opcodes array.  */
746 
 
747 
void
748 
build_automata()
749 
{
750 371 markom 
  int i;
751 133 markom 
  unsigned long *end;
752 138 markom 
  struct insn_op_struct *cur;
753 
 
754 133 markom 
  automata = (unsigned long *) malloc (MAX_AUTOMATA_SIZE * sizeof (unsigned long));
755 138 markom 
  ti = (struct temp_insn_struct *) malloc (sizeof (struct temp_insn_struct) * num_opcodes);
756 133 markom 
 
757 
  nuncovered = num_opcodes;
758 709 markom 
 
759 
#ifdef HAS_EXECUTION
760 138 markom 
  printf("Building automata... ");
761 709 markom 
#endif
762 
 
763 133 markom 
  /* Build temporary information about instructions.  */
764 138 markom 
  for (i = 0; i < num_opcodes; i++)
765 
    {
766 
      unsigned long ones, zeros;
767 
      char *encoding = or32_opcodes[i].encoding;
768 
      ones  = insn_extract('1', encoding);
769 
      zeros = insn_extract('0', encoding);
770 
      ti[i].insn_mask = ones | zeros;
771 
      ti[i].insn = ones;
772 
      ti[i].in_pass = curpass = 0;
773 344 markom 
      /*debug(9, "%s: %s %08X %08X\n", or32_opcodes[i].name,
774 138 markom 
        or32_opcodes[i].encoding, ti[i].insn_mask, ti[i].insn);*/
775 
    }
776 133 markom 
 
777 
  /* Until all are covered search for best criteria to separate them.  */
778 138 markom 
  end = cover_insn (automata, curpass, 0xFFFFFFFF);
779 
  if (end - automata > MAX_AUTOMATA_SIZE)
780 
    {
781 
      fprintf (stderr, "Automata too large. Increase MAX_AUTOMATA_SIZE.");
782 
      exit (1);
783 
    }
784 709 markom 
#ifdef HAS_EXECUTION
785 138 markom 
  printf("done, num uncovered: %i/%i.\n", nuncovered, num_opcodes);
786 709 markom 
#endif
787 371 markom 
 
788 709 markom 
#ifdef HAS_EXECUTION
789 138 markom 
  printf("Parsing operands data... ");
790 709 markom 
#endif
791 138 markom 
  op_data = (struct insn_op_struct *) malloc (MAX_OP_TABLE_SIZE * sizeof (struct insn_op_struct));
792 
  op_start = (struct insn_op_struct **) malloc (num_opcodes * sizeof (struct insn_op_struct *));
793 
  cur = op_data;
794 
  for (i = 0; i < num_opcodes; i++)
795 
    {
796 
      op_start[i] = cur;
797 
      cur = parse_params (&or32_opcodes[i], cur);
798 
      if (cur - op_data > MAX_OP_TABLE_SIZE)
799 
        {
800 
          fprintf (stderr, "Operands table too small, increase MAX_OP_TABLE_SIZE.\n");
801 
          exit (1);
802 
        }
803 
    }
804 709 markom 
#ifdef HAS_EXECUTION
805 138 markom 
  printf("done.\n");
806 709 markom 
#endif
807 133 markom 
}
808 
 
809 138 markom 
void destruct_automata ()
810 
{
811 
  free (ti);
812 133 markom 
  free (automata);
813 138 markom 
  free (op_data);
814 
  free (op_start);
815 133 markom 
}
816 
 
817 
/* Decodes instruction and returns instruction index.  */
818 138 markom 
int insn_decode (unsigned int insn)
819 
{
820 133 markom 
  unsigned long *a = automata;
821 138 markom 
  int i;
822 
  while (!(*a & LEAF_FLAG))
823 
    {
824 
      unsigned int first = *a;
825 703 markom 
      //debug(9, "%i ", a - automata);
826 138 markom 
      a++;
827 
      i = (insn >> first) & *a;
828 
      a++;
829 
      if (!*(a + i))
830 
        { /* Invalid instruction found?  */
831 703 markom 
          //debug(9, "XXX\n", i);
832 138 markom 
          return -1;
833 
        }
834 
      a = automata + *(a + i);
835 
    }
836 
  i = *a & ~LEAF_FLAG;
837 703 markom 
  //debug(9, "%i\n", i);
838 138 markom 
  /* Final check - do we have direct match?
839 
     (based on or32_opcodes this should be the only possibility,
840 
     but in case of invalid/missing instruction we must perform a check)  */
841 
  if ((ti[i].insn_mask & insn) == ti[i].insn)
842 
    return i;
843 
  else
844 
    return -1;
845 133 markom 
}
846 371 markom 
 
847 
static char disassembled_str[50];
848 
char *disassembled = &disassembled_str[0];
849 
 
850 
/* Automagically does zero- or sign- extension and also finds correct
851 
   sign bit position if sign extension is correct extension. Which extension
852 
   is proper is figured out from letter description. */
853 
 
854 879 markom 
unsigned long
855 371 markom 
extend_imm(unsigned long imm, char l)
856 
{
857 
  unsigned long mask;
858 
  int letter_bits;
859 
 
860 
  /* First truncate all bits above valid range for this letter
861 
     in case it is zero extend. */
862 
  letter_bits = letter_range(l);
863 
  mask = (1 << letter_bits) - 1;
864 
  imm &= mask;
865 
 
866 
  /* Do sign extend if this is the right one. */
867 
  if (letter_signed(l) && (imm >> (letter_bits - 1)))
868 
    imm |= (~mask);
869 
 
870 
  return imm;
871 
}
872 
 
873 879 markom 
unsigned long
874 371 markom 
or32_extract(param_ch, enc_initial, insn)
875 
     char param_ch;
876 
     char *enc_initial;
877 
     unsigned long insn;
878 
{
879 
  char *enc;
880 
  unsigned long ret = 0;
881 
  int opc_pos = 0;
882 
  int param_pos = 0;
883 
 
884 
  for (enc = enc_initial; *enc != '\0'; enc++)
885 
    if (*enc == param_ch)
886 
      {
887 
        if (enc - 2 >= enc_initial && (*(enc - 2) == '0') && (*(enc - 1) == 'x'))
888 
          continue;
889 
        else
890 
          param_pos++;
891 
      }
892 
 
893 
#if DEBUG
894 
  printf("or32_extract: %x ", param_pos);
895 
#endif
896 
  opc_pos = 32;
897 
  for (enc = enc_initial; *enc != '\0'; )
898 
    if ((*enc == '0') && (*(enc+1) == 'x'))
899 
      {
900 
        opc_pos -= 4;
901 
        if ((param_ch == '0') || (param_ch == '1'))
902 
          {
903 
            unsigned long tmp = strtol(enc, NULL, 16);
904 
#if DEBUG
905 
            printf(" enc=%s, tmp=%x ", enc, tmp);
906 
#endif
907 
            if (param_ch == '0')
908 
              tmp = 15 - tmp;
909 
            ret |= tmp << opc_pos;
910 
          }
911 
        enc += 3;
912 
      }
913 
    else if ((*enc == '0') || (*enc == '1'))
914 
      {
915 
        opc_pos--;
916 
        if (param_ch == *enc)
917 
          ret |= 1 << opc_pos;
918 
        enc++;
919 
      }
920 
    else if (*enc == param_ch)
921 
      {
922 
        opc_pos--;
923 
        param_pos--;
924 
#if DEBUG
925 
        printf("\n  ret=%x opc_pos=%x, param_pos=%x\n", ret, opc_pos, param_pos);
926 
#endif
927 
        if (islower(param_ch))
928 
          ret -= ((insn >> opc_pos) & 0x1) << param_pos;
929 
        else
930 
          ret += ((insn >> opc_pos) & 0x1) << param_pos;
931 
        enc++;
932 
      }
933 
    else if (isalpha(*enc))
934 
      {
935 
        opc_pos--;
936 
        enc++;
937 
      }
938 
    else if (*enc == '-')
939 
      {
940 
        opc_pos--;
941 
        enc++;
942 
      }
943 
    else
944 
      enc++;
945 
 
946 
#if DEBUG
947 
  printf ("ret=%x\n", ret);
948 
#endif
949 
  return ret;
950 
}
951 
 
952 
/* Print register. Used only by print_insn. */
953 
 
954 703 markom 
static char *
955 
or32_print_register (dest, param_ch, encoding, insn)
956 
     char *dest;
957 371 markom 
     char param_ch;
958 
     char *encoding;
959 
     unsigned long insn;
960 
{
961 
  int regnum = or32_extract(param_ch, encoding, insn);
962 
 
963 703 markom 
  sprintf (dest, "r%d", regnum);
964 
  while (*dest) dest++;
965 
  return dest;
966 371 markom 
}
967 
 
968 
/* Print immediate. Used only by print_insn. */
969 
 
970 703 markom 
static char *
971 
or32_print_immediate (dest, param_ch, encoding, insn)
972 
     char *dest;
973 371 markom 
     char param_ch;
974 
     char *encoding;
975 
     unsigned long insn;
976 
{
977 
  int imm = or32_extract (param_ch, encoding, insn);
978 
 
979 
  imm = extend_imm(imm, param_ch);
980 
 
981 
  if (letter_signed(param_ch))
982 
    {
983 
      if (imm < 0)
984 703 markom 
        sprintf (dest, "%d", imm);
985 371 markom 
      else
986 703 markom 
        sprintf (dest, "0x%x", imm);
987 371 markom 
    }
988 
  else
989 703 markom 
    sprintf (dest, "%#x", imm);
990 
  while (*dest) dest++;
991 
  return dest;
992 371 markom 
}
993 
 
994 
/* Disassemble one instruction from insn to disassemble.
995 
   Return the size of the instruction.  */
996 
 
997 
int
998 
disassemble_insn (insn)
999 
     unsigned long insn;
1000 
{
1001 703 markom 
  return disassemble_index (insn, insn_decode (insn));
1002 
}
1003 371 markom 
 
1004 703 markom 
/* Disassemble one instruction from insn index.
1005 
   Return the size of the instruction.  */
1006 
 
1007 
int
1008 
disassemble_index (insn, index)
1009 
     unsigned long insn;
1010 
     int index;
1011 
{
1012 
  char *dest = disassembled;
1013 371 markom 
  if (index >= 0)
1014 
    {
1015 
      struct or32_opcode const *opcode = &or32_opcodes[index];
1016 
      char *s;
1017 
 
1018 703 markom 
      strcpy (dest, opcode->name);
1019 
      while (*dest) dest++;
1020 
      *dest++ = ' ';
1021 
      *dest = 0;
1022 
 
1023 371 markom 
      for (s = opcode->args; *s != '\0'; ++s)
1024 
        {
1025 
          switch (*s)
1026 
            {
1027 
            case '\0':
1028 703 markom 
              return insn_len (insn);
1029 714 markom 
 
1030 371 markom 
            case 'r':
1031 703 markom 
              dest = or32_print_register(dest, *++s, opcode->encoding, insn);
1032 371 markom 
              break;
1033 714 markom 
 
1034 371 markom 
            default:
1035 
              if (strchr (opcode->encoding, *s))
1036 703 markom 
                dest = or32_print_immediate (dest, *s, opcode->encoding, insn);
1037 
              else {
1038 
                *dest++ = *s;
1039 
                *dest = 0;
1040 
              }
1041 371 markom 
            }
1042 
        }
1043 
    }
1044 
  else
1045 
    {
1046 
      /* This used to be %8x for binutils.  */
1047 1308 phoenix 
      sprintf(dest, ".word 0x%08lx", insn);
1048 703 markom 
      while (*dest) dest++;
1049 371 markom 
    }
1050 
  return insn_len (insn);
1051 
}

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