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[/] [or1k_old/] [trunk/] [gdb-5.3/] [opcodes/] [openrisc-desc.c] - Blame information for rev 1765

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1 1181 sfurman
/* CPU data for openrisc.
2
 
3
THIS FILE IS MACHINE GENERATED WITH CGEN.
4
 
5
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
6
 
7
This file is part of the GNU Binutils and/or GDB, the GNU debugger.
8
 
9
This program is free software; you can redistribute it and/or modify
10
it under the terms of the GNU General Public License as published by
11
the Free Software Foundation; either version 2, or (at your option)
12
any later version.
13
 
14
This program is distributed in the hope that it will be useful,
15
but WITHOUT ANY WARRANTY; without even the implied warranty of
16
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
GNU General Public License for more details.
18
 
19
You should have received a copy of the GNU General Public License along
20
with this program; if not, write to the Free Software Foundation, Inc.,
21
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22
 
23
*/
24
 
25
#include "sysdep.h"
26
#include <stdio.h>
27
#include <stdarg.h>
28
#include "ansidecl.h"
29
#include "bfd.h"
30
#include "symcat.h"
31
#include "openrisc-desc.h"
32
#include "openrisc-opc.h"
33
#include "opintl.h"
34
#include "libiberty.h"
35
 
36
/* Attributes.  */
37
 
38
static const CGEN_ATTR_ENTRY bool_attr[] =
39
{
40
  { "#f", 0 },
41
  { "#t", 1 },
42
  { 0, 0 }
43
};
44
 
45
static const CGEN_ATTR_ENTRY MACH_attr[] =
46
{
47
  { "base", MACH_BASE },
48
  { "openrisc", MACH_OPENRISC },
49
  { "or1300", MACH_OR1300 },
50
  { "max", MACH_MAX },
51
  { 0, 0 }
52
};
53
 
54
static const CGEN_ATTR_ENTRY ISA_attr[] =
55
{
56
  { "or32", ISA_OR32 },
57
  { "max", ISA_MAX },
58
  { 0, 0 }
59
};
60
 
61
static const CGEN_ATTR_ENTRY HAS_CACHE_attr[] =
62
{
63
  { "DATA_CACHE", HAS_CACHE_DATA_CACHE },
64
  { "INSN_CACHE", HAS_CACHE_INSN_CACHE },
65
  { 0, 0 }
66
};
67
 
68
const CGEN_ATTR_TABLE openrisc_cgen_ifield_attr_table[] =
69
{
70
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
71
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
72
  { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
73
  { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
74
  { "RESERVED", &bool_attr[0], &bool_attr[0] },
75
  { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
76
  { "SIGNED", &bool_attr[0], &bool_attr[0] },
77
  { 0, 0, 0 }
78
};
79
 
80
const CGEN_ATTR_TABLE openrisc_cgen_hardware_attr_table[] =
81
{
82
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
83
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
84
  { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] },
85
  { "PC", &bool_attr[0], &bool_attr[0] },
86
  { "PROFILE", &bool_attr[0], &bool_attr[0] },
87
  { 0, 0, 0 }
88
};
89
 
90
const CGEN_ATTR_TABLE openrisc_cgen_operand_attr_table[] =
91
{
92
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
93
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
94
  { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
95
  { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
96
  { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
97
  { "SIGNED", &bool_attr[0], &bool_attr[0] },
98
  { "NEGATIVE", &bool_attr[0], &bool_attr[0] },
99
  { "RELAX", &bool_attr[0], &bool_attr[0] },
100
  { "SEM-ONLY", &bool_attr[0], &bool_attr[0] },
101
  { 0, 0, 0 }
102
};
103
 
104
const CGEN_ATTR_TABLE openrisc_cgen_insn_attr_table[] =
105
{
106
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
107
  { "ALIAS", &bool_attr[0], &bool_attr[0] },
108
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
109
  { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] },
110
  { "COND-CTI", &bool_attr[0], &bool_attr[0] },
111
  { "SKIP-CTI", &bool_attr[0], &bool_attr[0] },
112
  { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
113
  { "RELAXABLE", &bool_attr[0], &bool_attr[0] },
114
  { "RELAX", &bool_attr[0], &bool_attr[0] },
115
  { "NO-DIS", &bool_attr[0], &bool_attr[0] },
116
  { "PBB", &bool_attr[0], &bool_attr[0] },
117
  { "NOT-IN-DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
118
  { 0, 0, 0 }
119
};
120
 
121
/* Instruction set variants.  */
122
 
123
static const CGEN_ISA openrisc_cgen_isa_table[] = {
124
  { "or32", 32, 32, 32, 32 },
125
  { 0, 0, 0, 0, 0 }
126
};
127
 
128
/* Machine variants.  */
129
 
130
static const CGEN_MACH openrisc_cgen_mach_table[] = {
131
  { "openrisc", "openrisc", MACH_OPENRISC, 0 },
132
  { "or1300", "openrisc:1300", MACH_OR1300, 0 },
133
  { 0, 0, 0, 0 }
134
};
135
 
136
static CGEN_KEYWORD_ENTRY openrisc_cgen_opval_h_gr_entries[] =
137
{
138
  { "r0", 0, {0, {0}}, 0, 0 },
139
  { "r1", 1, {0, {0}}, 0, 0 },
140
  { "r2", 2, {0, {0}}, 0, 0 },
141
  { "r3", 3, {0, {0}}, 0, 0 },
142
  { "r4", 4, {0, {0}}, 0, 0 },
143
  { "r5", 5, {0, {0}}, 0, 0 },
144
  { "r6", 6, {0, {0}}, 0, 0 },
145
  { "r7", 7, {0, {0}}, 0, 0 },
146
  { "r8", 8, {0, {0}}, 0, 0 },
147
  { "r9", 9, {0, {0}}, 0, 0 },
148
  { "r10", 10, {0, {0}}, 0, 0 },
149
  { "r11", 11, {0, {0}}, 0, 0 },
150
  { "r12", 12, {0, {0}}, 0, 0 },
151
  { "r13", 13, {0, {0}}, 0, 0 },
152
  { "r14", 14, {0, {0}}, 0, 0 },
153
  { "r15", 15, {0, {0}}, 0, 0 },
154
  { "r16", 16, {0, {0}}, 0, 0 },
155
  { "r17", 17, {0, {0}}, 0, 0 },
156
  { "r18", 18, {0, {0}}, 0, 0 },
157
  { "r19", 19, {0, {0}}, 0, 0 },
158
  { "r20", 20, {0, {0}}, 0, 0 },
159
  { "r21", 21, {0, {0}}, 0, 0 },
160
  { "r22", 22, {0, {0}}, 0, 0 },
161
  { "r23", 23, {0, {0}}, 0, 0 },
162
  { "r24", 24, {0, {0}}, 0, 0 },
163
  { "r25", 25, {0, {0}}, 0, 0 },
164
  { "r26", 26, {0, {0}}, 0, 0 },
165
  { "r27", 27, {0, {0}}, 0, 0 },
166
  { "r28", 28, {0, {0}}, 0, 0 },
167
  { "r29", 29, {0, {0}}, 0, 0 },
168
  { "r30", 30, {0, {0}}, 0, 0 },
169
  { "r31", 31, {0, {0}}, 0, 0 },
170
  { "lr", 11, {0, {0}}, 0, 0 },
171
  { "sp", 1, {0, {0}}, 0, 0 },
172
  { "fp", 2, {0, {0}}, 0, 0 }
173
};
174
 
175
CGEN_KEYWORD openrisc_cgen_opval_h_gr =
176
{
177
  & openrisc_cgen_opval_h_gr_entries[0],
178
  35,
179
  0, 0, 0, 0, ""
180
};
181
 
182
 
183
/* The hardware table.  */
184
 
185
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
186
#define A(a) (1 << CGEN_HW_##a)
187
#else
188
#define A(a) (1 << CGEN_HW_/**/a)
189
#endif
190
 
191
const CGEN_HW_ENTRY openrisc_cgen_hw_table[] =
192
{
193
  { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
194
  { "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
195
  { "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
196
  { "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
197
  { "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
198
  { "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PROFILE)|A(PC), { (1<<MACH_BASE) } } },
199
  { "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, (PTR) & openrisc_cgen_opval_h_gr, { 0|A(PROFILE), { (1<<MACH_BASE) } } },
200
  { "h-sr", HW_H_SR, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
201
  { "h-hi16", HW_H_HI16, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
202
  { "h-lo16", HW_H_LO16, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
203
  { "h-cbit", HW_H_CBIT, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
204
  { "h-delay-insn", HW_H_DELAY_INSN, CGEN_ASM_NONE, 0, { 0, { (1<<MACH_BASE) } } },
205
  { 0, 0, CGEN_ASM_NONE, 0, {0, {0}} }
206
};
207
 
208
#undef A
209
 
210
 
211
/* The instruction field table.  */
212
 
213
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
214
#define A(a) (1 << CGEN_IFLD_##a)
215
#else
216
#define A(a) (1 << CGEN_IFLD_/**/a)
217
#endif
218
 
219
const CGEN_IFLD openrisc_cgen_ifld_table[] =
220
{
221
  { OPENRISC_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } }  },
222
  { OPENRISC_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { (1<<MACH_BASE) } }  },
223
  { OPENRISC_F_CLASS, "f-class", 0, 32, 31, 2, { 0, { (1<<MACH_BASE) } }  },
224
  { OPENRISC_F_SUB, "f-sub", 0, 32, 29, 4, { 0, { (1<<MACH_BASE) } }  },
225
  { OPENRISC_F_R1, "f-r1", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } }  },
226
  { OPENRISC_F_R2, "f-r2", 0, 32, 20, 5, { 0, { (1<<MACH_BASE) } }  },
227
  { OPENRISC_F_R3, "f-r3", 0, 32, 15, 5, { 0, { (1<<MACH_BASE) } }  },
228
  { OPENRISC_F_SIMM16, "f-simm16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } }  },
229
  { OPENRISC_F_UIMM16, "f-uimm16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } }  },
230
  { OPENRISC_F_UIMM5, "f-uimm5", 0, 32, 4, 5, { 0, { (1<<MACH_BASE) } }  },
231
  { OPENRISC_F_HI16, "f-hi16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } }  },
232
  { OPENRISC_F_LO16, "f-lo16", 0, 32, 15, 16, { 0, { (1<<MACH_BASE) } }  },
233
  { OPENRISC_F_OP1, "f-op1", 0, 32, 31, 2, { 0, { (1<<MACH_BASE) } }  },
234
  { OPENRISC_F_OP2, "f-op2", 0, 32, 29, 4, { 0, { (1<<MACH_BASE) } }  },
235
  { OPENRISC_F_OP3, "f-op3", 0, 32, 25, 2, { 0, { (1<<MACH_BASE) } }  },
236
  { OPENRISC_F_OP4, "f-op4", 0, 32, 23, 3, { 0, { (1<<MACH_BASE) } }  },
237
  { OPENRISC_F_OP5, "f-op5", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } }  },
238
  { OPENRISC_F_OP6, "f-op6", 0, 32, 7, 3, { 0, { (1<<MACH_BASE) } }  },
239
  { OPENRISC_F_OP7, "f-op7", 0, 32, 3, 4, { 0, { (1<<MACH_BASE) } }  },
240
  { OPENRISC_F_I16_1, "f-i16-1", 0, 32, 10, 11, { 0, { (1<<MACH_BASE) } }  },
241
  { OPENRISC_F_I16_2, "f-i16-2", 0, 32, 25, 5, { 0, { (1<<MACH_BASE) } }  },
242
  { OPENRISC_F_DISP26, "f-disp26", 0, 32, 25, 26, { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
243
  { OPENRISC_F_ABS26, "f-abs26", 0, 32, 25, 26, { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
244
  { OPENRISC_F_F_15_8, "f-f-15-8", 0, 32, 15, 8, { 0|A(RESERVED), { (1<<MACH_BASE) } }  },
245
  { OPENRISC_F_F_10_3, "f-f-10-3", 0, 32, 10, 3, { 0|A(RESERVED), { (1<<MACH_BASE) } }  },
246
  { OPENRISC_F_F_4_1, "f-f-4-1", 0, 32, 4, 1, { 0|A(RESERVED), { (1<<MACH_BASE) } }  },
247
  { OPENRISC_F_F_7_3, "f-f-7-3", 0, 32, 7, 3, { 0|A(RESERVED), { (1<<MACH_BASE) } }  },
248
  { OPENRISC_F_F_10_7, "f-f-10-7", 0, 32, 10, 7, { 0|A(RESERVED), { (1<<MACH_BASE) } }  },
249
  { OPENRISC_F_F_10_11, "f-f-10-11", 0, 32, 10, 11, { 0|A(RESERVED), { (1<<MACH_BASE) } }  },
250
  { 0, 0, 0, 0, 0, 0, {0, {0}} }
251
};
252
 
253
#undef A
254
 
255
 
256
 
257
/* multi ifield declarations */
258
 
259
const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [];
260
 
261
 
262
/* multi ifield definitions */
263
 
264
const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [] =
265
{
266
    { 0, &(openrisc_cgen_ifld_table[19]) },
267
    { 0, &(openrisc_cgen_ifld_table[20]) },
268
    {0,0}
269
};
270
 
271
/* The operand table.  */
272
 
273
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
274
#define A(a) (1 << CGEN_OPERAND_##a)
275
#else
276
#define A(a) (1 << CGEN_OPERAND_/**/a)
277
#endif
278
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
279
#define OPERAND(op) OPENRISC_OPERAND_##op
280
#else
281
#define OPERAND(op) OPENRISC_OPERAND_/**/op
282
#endif
283
 
284
const CGEN_OPERAND openrisc_cgen_operand_table[] =
285
{
286
/* pc: program counter */
287
  { "pc", OPENRISC_OPERAND_PC, HW_H_PC, 0, 0,
288
    { 0, &(openrisc_cgen_ifld_table[0]) },
289
    { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
290
/* sr: special register */
291
  { "sr", OPENRISC_OPERAND_SR, HW_H_SR, 0, 0,
292
    { 0, 0 },
293
    { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
294
/* cbit: condition bit */
295
  { "cbit", OPENRISC_OPERAND_CBIT, HW_H_CBIT, 0, 0,
296
    { 0, 0 },
297
    { 0|A(SEM_ONLY), { (1<<MACH_BASE) } }  },
298
/* simm-16: 16 bit signed immediate */
299
  { "simm-16", OPENRISC_OPERAND_SIMM_16, HW_H_SINT, 15, 16,
300
    { 0, &(openrisc_cgen_ifld_table[7]) },
301
    { 0, { (1<<MACH_BASE) } }  },
302
/* uimm-16: 16 bit unsigned immediate */
303
  { "uimm-16", OPENRISC_OPERAND_UIMM_16, HW_H_UINT, 15, 16,
304
    { 0, &(openrisc_cgen_ifld_table[8]) },
305
    { 0, { (1<<MACH_BASE) } }  },
306
/* disp-26: pc-rel 26 bit */
307
  { "disp-26", OPENRISC_OPERAND_DISP_26, HW_H_IADDR, 25, 26,
308
    { 0, &(openrisc_cgen_ifld_table[21]) },
309
    { 0|A(PCREL_ADDR), { (1<<MACH_BASE) } }  },
310
/* abs-26: abs 26 bit */
311
  { "abs-26", OPENRISC_OPERAND_ABS_26, HW_H_IADDR, 25, 26,
312
    { 0, &(openrisc_cgen_ifld_table[22]) },
313
    { 0|A(ABS_ADDR), { (1<<MACH_BASE) } }  },
314
/* uimm-5: imm5 */
315
  { "uimm-5", OPENRISC_OPERAND_UIMM_5, HW_H_UINT, 4, 5,
316
    { 0, &(openrisc_cgen_ifld_table[9]) },
317
    { 0, { (1<<MACH_BASE) } }  },
318
/* rD: destination register */
319
  { "rD", OPENRISC_OPERAND_RD, HW_H_GR, 25, 5,
320
    { 0, &(openrisc_cgen_ifld_table[4]) },
321
    { 0, { (1<<MACH_BASE) } }  },
322
/* rA: source register A */
323
  { "rA", OPENRISC_OPERAND_RA, HW_H_GR, 20, 5,
324
    { 0, &(openrisc_cgen_ifld_table[5]) },
325
    { 0, { (1<<MACH_BASE) } }  },
326
/* rB: source register B */
327
  { "rB", OPENRISC_OPERAND_RB, HW_H_GR, 15, 5,
328
    { 0, &(openrisc_cgen_ifld_table[6]) },
329
    { 0, { (1<<MACH_BASE) } }  },
330
/* op-f-23: f-op23 */
331
  { "op-f-23", OPENRISC_OPERAND_OP_F_23, HW_H_UINT, 23, 3,
332
    { 0, &(openrisc_cgen_ifld_table[15]) },
333
    { 0, { (1<<MACH_BASE) } }  },
334
/* op-f-3: f-op3 */
335
  { "op-f-3", OPENRISC_OPERAND_OP_F_3, HW_H_UINT, 25, 5,
336
    { 0, &(openrisc_cgen_ifld_table[16]) },
337
    { 0, { (1<<MACH_BASE) } }  },
338
/* hi16: high 16 bit immediate, sign optional */
339
  { "hi16", OPENRISC_OPERAND_HI16, HW_H_HI16, 15, 16,
340
    { 0, &(openrisc_cgen_ifld_table[7]) },
341
    { 0|A(SIGN_OPT), { (1<<MACH_BASE) } }  },
342
/* lo16: low 16 bit immediate, sign optional */
343
  { "lo16", OPENRISC_OPERAND_LO16, HW_H_LO16, 15, 16,
344
    { 0, &(openrisc_cgen_ifld_table[11]) },
345
    { 0|A(SIGN_OPT), { (1<<MACH_BASE) } }  },
346
/* ui16nc: 16 bit immediate, sign optional */
347
  { "ui16nc", OPENRISC_OPERAND_UI16NC, HW_H_LO16, 10, 16,
348
    { 2, &(OPENRISC_F_I16NC_MULTI_IFIELD[0]) },
349
    { 0|A(SIGN_OPT)|A(VIRTUAL), { (1<<MACH_BASE) } }  },
350
  { 0, 0, 0, 0, 0, {0, {0}} }
351
};
352
 
353
#undef A
354
 
355
 
356
/* The instruction table.  */
357
 
358
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
359
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
360
#define A(a) (1 << CGEN_INSN_##a)
361
#else
362
#define A(a) (1 << CGEN_INSN_/**/a)
363
#endif
364
 
365
static const CGEN_IBASE openrisc_cgen_insn_table[MAX_INSNS] =
366
{
367
  /* Special null first entry.
368
     A `num' value of zero is thus invalid.
369
     Also, the special `invalid' insn resides here.  */
370
  { 0, 0, 0, 0, {0, {0}} },
371
/* l.j ${abs-26} */
372
  {
373
    OPENRISC_INSN_L_J, "l-j", "l.j", 32,
374
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
375
  },
376
/* l.jal ${abs-26} */
377
  {
378
    OPENRISC_INSN_L_JAL, "l-jal", "l.jal", 32,
379
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
380
  },
381
/* l.jr $rA */
382
  {
383
    OPENRISC_INSN_L_JR, "l-jr", "l.jr", 32,
384
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
385
  },
386
/* l.jalr $rA */
387
  {
388
    OPENRISC_INSN_L_JALR, "l-jalr", "l.jalr", 32,
389
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
390
  },
391
/* l.bal ${disp-26} */
392
  {
393
    OPENRISC_INSN_L_BAL, "l-bal", "l.bal", 32,
394
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
395
  },
396
/* l.bnf ${disp-26} */
397
  {
398
    OPENRISC_INSN_L_BNF, "l-bnf", "l.bnf", 32,
399
    { 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
400
  },
401
/* l.bf ${disp-26} */
402
  {
403
    OPENRISC_INSN_L_BF, "l-bf", "l.bf", 32,
404
    { 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
405
  },
406
/* l.brk ${uimm-16} */
407
  {
408
    OPENRISC_INSN_L_BRK, "l-brk", "l.brk", 32,
409
    { 0|A(NOT_IN_DELAY_SLOT), { (1<<MACH_BASE) } }
410
  },
411
/* l.rfe $rA */
412
  {
413
    OPENRISC_INSN_L_RFE, "l-rfe", "l.rfe", 32,
414
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
415
  },
416
/* l.sys ${uimm-16} */
417
  {
418
    OPENRISC_INSN_L_SYS, "l-sys", "l.sys", 32,
419
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { (1<<MACH_BASE) } }
420
  },
421
/* l.nop */
422
  {
423
    OPENRISC_INSN_L_NOP, "l-nop", "l.nop", 32,
424
    { 0, { (1<<MACH_BASE) } }
425
  },
426
/* l.movhi $rD,$hi16 */
427
  {
428
    OPENRISC_INSN_L_MOVHI, "l-movhi", "l.movhi", 32,
429
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
430
  },
431
/* l.mfsr $rD,$rA */
432
  {
433
    OPENRISC_INSN_L_MFSR, "l-mfsr", "l.mfsr", 32,
434
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
435
  },
436
/* l.mtsr $rA,$rB */
437
  {
438
    OPENRISC_INSN_L_MTSR, "l-mtsr", "l.mtsr", 32,
439
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
440
  },
441
/* l.lw $rD,${simm-16}($rA) */
442
  {
443
    OPENRISC_INSN_L_LW, "l-lw", "l.lw", 32,
444
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
445
  },
446
/* l.lbz $rD,${simm-16}($rA) */
447
  {
448
    OPENRISC_INSN_L_LBZ, "l-lbz", "l.lbz", 32,
449
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
450
  },
451
/* l.lbs $rD,${simm-16}($rA) */
452
  {
453
    OPENRISC_INSN_L_LBS, "l-lbs", "l.lbs", 32,
454
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
455
  },
456
/* l.lhz $rD,${simm-16}($rA) */
457
  {
458
    OPENRISC_INSN_L_LHZ, "l-lhz", "l.lhz", 32,
459
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
460
  },
461
/* l.lhs $rD,${simm-16}($rA) */
462
  {
463
    OPENRISC_INSN_L_LHS, "l-lhs", "l.lhs", 32,
464
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
465
  },
466
/* l.sw ${ui16nc}($rA),$rB */
467
  {
468
    OPENRISC_INSN_L_SW, "l-sw", "l.sw", 32,
469
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
470
  },
471
/* l.sb ${ui16nc}($rA),$rB */
472
  {
473
    OPENRISC_INSN_L_SB, "l-sb", "l.sb", 32,
474
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
475
  },
476
/* l.sh ${ui16nc}($rA),$rB */
477
  {
478
    OPENRISC_INSN_L_SH, "l-sh", "l.sh", 32,
479
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
480
  },
481
/* l.sll $rD,$rA,$rB */
482
  {
483
    OPENRISC_INSN_L_SLL, "l-sll", "l.sll", 32,
484
    { 0, { (1<<MACH_BASE) } }
485
  },
486
/* l.slli $rD,$rA,${uimm-5} */
487
  {
488
    OPENRISC_INSN_L_SLLI, "l-slli", "l.slli", 32,
489
    { 0, { (1<<MACH_BASE) } }
490
  },
491
/* l.srl $rD,$rA,$rB */
492
  {
493
    OPENRISC_INSN_L_SRL, "l-srl", "l.srl", 32,
494
    { 0, { (1<<MACH_BASE) } }
495
  },
496
/* l.srli $rD,$rA,${uimm-5} */
497
  {
498
    OPENRISC_INSN_L_SRLI, "l-srli", "l.srli", 32,
499
    { 0, { (1<<MACH_BASE) } }
500
  },
501
/* l.sra $rD,$rA,$rB */
502
  {
503
    OPENRISC_INSN_L_SRA, "l-sra", "l.sra", 32,
504
    { 0, { (1<<MACH_BASE) } }
505
  },
506
/* l.srai $rD,$rA,${uimm-5} */
507
  {
508
    OPENRISC_INSN_L_SRAI, "l-srai", "l.srai", 32,
509
    { 0, { (1<<MACH_BASE) } }
510
  },
511
/* l.ror $rD,$rA,$rB */
512
  {
513
    OPENRISC_INSN_L_ROR, "l-ror", "l.ror", 32,
514
    { 0, { (1<<MACH_BASE) } }
515
  },
516
/* l.rori $rD,$rA,${uimm-5} */
517
  {
518
    OPENRISC_INSN_L_RORI, "l-rori", "l.rori", 32,
519
    { 0, { (1<<MACH_BASE) } }
520
  },
521
/* l.add $rD,$rA,$rB */
522
  {
523
    OPENRISC_INSN_L_ADD, "l-add", "l.add", 32,
524
    { 0, { (1<<MACH_BASE) } }
525
  },
526
/* l.addi $rD,$rA,$lo16 */
527
  {
528
    OPENRISC_INSN_L_ADDI, "l-addi", "l.addi", 32,
529
    { 0, { (1<<MACH_BASE) } }
530
  },
531
/* l.sub $rD,$rA,$rB */
532
  {
533
    OPENRISC_INSN_L_SUB, "l-sub", "l.sub", 32,
534
    { 0, { (1<<MACH_BASE) } }
535
  },
536
/* l.subi $rD,$rA,$lo16 */
537
  {
538
    OPENRISC_INSN_L_SUBI, "l-subi", "l.subi", 32,
539
    { 0, { (1<<MACH_BASE) } }
540
  },
541
/* l.and $rD,$rA,$rB */
542
  {
543
    OPENRISC_INSN_L_AND, "l-and", "l.and", 32,
544
    { 0, { (1<<MACH_BASE) } }
545
  },
546
/* l.andi $rD,$rA,$lo16 */
547
  {
548
    OPENRISC_INSN_L_ANDI, "l-andi", "l.andi", 32,
549
    { 0, { (1<<MACH_BASE) } }
550
  },
551
/* l.or $rD,$rA,$rB */
552
  {
553
    OPENRISC_INSN_L_OR, "l-or", "l.or", 32,
554
    { 0, { (1<<MACH_BASE) } }
555
  },
556
/* l.ori $rD,$rA,$lo16 */
557
  {
558
    OPENRISC_INSN_L_ORI, "l-ori", "l.ori", 32,
559
    { 0, { (1<<MACH_BASE) } }
560
  },
561
/* l.xor $rD,$rA,$rB */
562
  {
563
    OPENRISC_INSN_L_XOR, "l-xor", "l.xor", 32,
564
    { 0, { (1<<MACH_BASE) } }
565
  },
566
/* l.xori $rD,$rA,$lo16 */
567
  {
568
    OPENRISC_INSN_L_XORI, "l-xori", "l.xori", 32,
569
    { 0, { (1<<MACH_BASE) } }
570
  },
571
/* l.mul $rD,$rA,$rB */
572
  {
573
    OPENRISC_INSN_L_MUL, "l-mul", "l.mul", 32,
574
    { 0, { (1<<MACH_BASE) } }
575
  },
576
/* l.muli $rD,$rA,$lo16 */
577
  {
578
    OPENRISC_INSN_L_MULI, "l-muli", "l.muli", 32,
579
    { 0, { (1<<MACH_BASE) } }
580
  },
581
/* l.div $rD,$rA,$rB */
582
  {
583
    OPENRISC_INSN_L_DIV, "l-div", "l.div", 32,
584
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
585
  },
586
/* l.divu $rD,$rA,$rB */
587
  {
588
    OPENRISC_INSN_L_DIVU, "l-divu", "l.divu", 32,
589
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
590
  },
591
/* l.sfgts $rA,$rB */
592
  {
593
    OPENRISC_INSN_L_SFGTS, "l-sfgts", "l.sfgts", 32,
594
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
595
  },
596
/* l.sfgtu $rA,$rB */
597
  {
598
    OPENRISC_INSN_L_SFGTU, "l-sfgtu", "l.sfgtu", 32,
599
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
600
  },
601
/* l.sfges $rA,$rB */
602
  {
603
    OPENRISC_INSN_L_SFGES, "l-sfges", "l.sfges", 32,
604
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
605
  },
606
/* l.sfgeu $rA,$rB */
607
  {
608
    OPENRISC_INSN_L_SFGEU, "l-sfgeu", "l.sfgeu", 32,
609
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
610
  },
611
/* l.sflts $rA,$rB */
612
  {
613
    OPENRISC_INSN_L_SFLTS, "l-sflts", "l.sflts", 32,
614
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
615
  },
616
/* l.sfltu $rA,$rB */
617
  {
618
    OPENRISC_INSN_L_SFLTU, "l-sfltu", "l.sfltu", 32,
619
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
620
  },
621
/* l.sfles $rA,$rB */
622
  {
623
    OPENRISC_INSN_L_SFLES, "l-sfles", "l.sfles", 32,
624
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
625
  },
626
/* l.sfleu $rA,$rB */
627
  {
628
    OPENRISC_INSN_L_SFLEU, "l-sfleu", "l.sfleu", 32,
629
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
630
  },
631
/* l.sfgtsi $rA,${simm-16} */
632
  {
633
    OPENRISC_INSN_L_SFGTSI, "l-sfgtsi", "l.sfgtsi", 32,
634
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
635
  },
636
/* l.sfgtui $rA,${uimm-16} */
637
  {
638
    OPENRISC_INSN_L_SFGTUI, "l-sfgtui", "l.sfgtui", 32,
639
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
640
  },
641
/* l.sfgesi $rA,${simm-16} */
642
  {
643
    OPENRISC_INSN_L_SFGESI, "l-sfgesi", "l.sfgesi", 32,
644
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
645
  },
646
/* l.sfgeui $rA,${uimm-16} */
647
  {
648
    OPENRISC_INSN_L_SFGEUI, "l-sfgeui", "l.sfgeui", 32,
649
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
650
  },
651
/* l.sfltsi $rA,${simm-16} */
652
  {
653
    OPENRISC_INSN_L_SFLTSI, "l-sfltsi", "l.sfltsi", 32,
654
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
655
  },
656
/* l.sfltui $rA,${uimm-16} */
657
  {
658
    OPENRISC_INSN_L_SFLTUI, "l-sfltui", "l.sfltui", 32,
659
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
660
  },
661
/* l.sflesi $rA,${simm-16} */
662
  {
663
    OPENRISC_INSN_L_SFLESI, "l-sflesi", "l.sflesi", 32,
664
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
665
  },
666
/* l.sfleui $rA,${uimm-16} */
667
  {
668
    OPENRISC_INSN_L_SFLEUI, "l-sfleui", "l.sfleui", 32,
669
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
670
  },
671
/* l.sfeq $rA,$rB */
672
  {
673
    OPENRISC_INSN_L_SFEQ, "l-sfeq", "l.sfeq", 32,
674
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
675
  },
676
/* l.sfeqi $rA,${simm-16} */
677
  {
678
    OPENRISC_INSN_L_SFEQI, "l-sfeqi", "l.sfeqi", 32,
679
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
680
  },
681
/* l.sfne $rA,$rB */
682
  {
683
    OPENRISC_INSN_L_SFNE, "l-sfne", "l.sfne", 32,
684
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
685
  },
686
/* l.sfnei $rA,${simm-16} */
687
  {
688
    OPENRISC_INSN_L_SFNEI, "l-sfnei", "l.sfnei", 32,
689
    { 0|A(DELAY_SLOT), { (1<<MACH_BASE) } }
690
  },
691
};
692
 
693
#undef OP
694
#undef A
695
 
696
/* Initialize anything needed to be done once, before any cpu_open call.  */
697
static void init_tables PARAMS ((void));
698
 
699
static void
700
init_tables ()
701
{
702
}
703
 
704
static const CGEN_MACH * lookup_mach_via_bfd_name
705
  PARAMS ((const CGEN_MACH *, const char *));
706
static void build_hw_table  PARAMS ((CGEN_CPU_TABLE *));
707
static void build_ifield_table  PARAMS ((CGEN_CPU_TABLE *));
708
static void build_operand_table PARAMS ((CGEN_CPU_TABLE *));
709
static void build_insn_table    PARAMS ((CGEN_CPU_TABLE *));
710
static void openrisc_cgen_rebuild_tables PARAMS ((CGEN_CPU_TABLE *));
711
 
712
/* Subroutine of openrisc_cgen_cpu_open to look up a mach via its bfd name.  */
713
 
714
static const CGEN_MACH *
715
lookup_mach_via_bfd_name (table, name)
716
     const CGEN_MACH *table;
717
     const char *name;
718
{
719
  while (table->name)
720
    {
721
      if (strcmp (name, table->bfd_name) == 0)
722
        return table;
723
      ++table;
724
    }
725
  abort ();
726
}
727
 
728
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.  */
729
 
730
static void
731
build_hw_table (cd)
732
     CGEN_CPU_TABLE *cd;
733
{
734
  int i;
735
  int machs = cd->machs;
736
  const CGEN_HW_ENTRY *init = & openrisc_cgen_hw_table[0];
737
  /* MAX_HW is only an upper bound on the number of selected entries.
738
     However each entry is indexed by it's enum so there can be holes in
739
     the table.  */
740
  const CGEN_HW_ENTRY **selected =
741
    (const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *));
742
 
743
  cd->hw_table.init_entries = init;
744
  cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY);
745
  memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *));
746
  /* ??? For now we just use machs to determine which ones we want.  */
747
  for (i = 0; init[i].name != NULL; ++i)
748
    if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH)
749
        & machs)
750
      selected[init[i].type] = &init[i];
751
  cd->hw_table.entries = selected;
752
  cd->hw_table.num_entries = MAX_HW;
753
}
754
 
755
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.  */
756
 
757
static void
758
build_ifield_table (cd)
759
     CGEN_CPU_TABLE *cd;
760
{
761
  cd->ifld_table = & openrisc_cgen_ifld_table[0];
762
}
763
 
764
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.  */
765
 
766
static void
767
build_operand_table (cd)
768
     CGEN_CPU_TABLE *cd;
769
{
770
  int i;
771
  int machs = cd->machs;
772
  const CGEN_OPERAND *init = & openrisc_cgen_operand_table[0];
773
  /* MAX_OPERANDS is only an upper bound on the number of selected entries.
774
     However each entry is indexed by it's enum so there can be holes in
775
     the table.  */
776
  const CGEN_OPERAND **selected =
777
    (const CGEN_OPERAND **) xmalloc (MAX_OPERANDS * sizeof (CGEN_OPERAND *));
778
 
779
  cd->operand_table.init_entries = init;
780
  cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
781
  memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *));
782
  /* ??? For now we just use mach to determine which ones we want.  */
783
  for (i = 0; init[i].name != NULL; ++i)
784
    if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH)
785
        & machs)
786
      selected[init[i].type] = &init[i];
787
  cd->operand_table.entries = selected;
788
  cd->operand_table.num_entries = MAX_OPERANDS;
789
}
790
 
791
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.
792
   ??? This could leave out insns not supported by the specified mach/isa,
793
   but that would cause errors like "foo only supported by bar" to become
794
   "unknown insn", so for now we include all insns and require the app to
795
   do the checking later.
796
   ??? On the other hand, parsing of such insns may require their hardware or
797
   operand elements to be in the table [which they mightn't be].  */
798
 
799
static void
800
build_insn_table (cd)
801
     CGEN_CPU_TABLE *cd;
802
{
803
  int i;
804
  const CGEN_IBASE *ib = & openrisc_cgen_insn_table[0];
805
  CGEN_INSN *insns = (CGEN_INSN *) xmalloc (MAX_INSNS * sizeof (CGEN_INSN));
806
 
807
  memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN));
808
  for (i = 0; i < MAX_INSNS; ++i)
809
    insns[i].base = &ib[i];
810
  cd->insn_table.init_entries = insns;
811
  cd->insn_table.entry_size = sizeof (CGEN_IBASE);
812
  cd->insn_table.num_init_entries = MAX_INSNS;
813
}
814
 
815
/* Subroutine of openrisc_cgen_cpu_open to rebuild the tables.  */
816
 
817
static void
818
openrisc_cgen_rebuild_tables (cd)
819
     CGEN_CPU_TABLE *cd;
820
{
821
  int i;
822
  unsigned int isas = cd->isas;
823
  unsigned int machs = cd->machs;
824
 
825
  cd->int_insn_p = CGEN_INT_INSN_P;
826
 
827
  /* Data derived from the isa spec.  */
828
#define UNSET (CGEN_SIZE_UNKNOWN + 1)
829
  cd->default_insn_bitsize = UNSET;
830
  cd->base_insn_bitsize = UNSET;
831
  cd->min_insn_bitsize = 65535; /* some ridiculously big number */
832
  cd->max_insn_bitsize = 0;
833
  for (i = 0; i < MAX_ISAS; ++i)
834
    if (((1 << i) & isas) != 0)
835
      {
836
        const CGEN_ISA *isa = & openrisc_cgen_isa_table[i];
837
 
838
        /* Default insn sizes of all selected isas must be
839
           equal or we set the result to 0, meaning "unknown".  */
840
        if (cd->default_insn_bitsize == UNSET)
841
          cd->default_insn_bitsize = isa->default_insn_bitsize;
842
        else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
843
          ; /* this is ok */
844
        else
845
          cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
846
 
847
        /* Base insn sizes of all selected isas must be equal
848
           or we set the result to 0, meaning "unknown".  */
849
        if (cd->base_insn_bitsize == UNSET)
850
          cd->base_insn_bitsize = isa->base_insn_bitsize;
851
        else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
852
          ; /* this is ok */
853
        else
854
          cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
855
 
856
        /* Set min,max insn sizes.  */
857
        if (isa->min_insn_bitsize < cd->min_insn_bitsize)
858
          cd->min_insn_bitsize = isa->min_insn_bitsize;
859
        if (isa->max_insn_bitsize > cd->max_insn_bitsize)
860
          cd->max_insn_bitsize = isa->max_insn_bitsize;
861
      }
862
 
863
  /* Data derived from the mach spec.  */
864
  for (i = 0; i < MAX_MACHS; ++i)
865
    if (((1 << i) & machs) != 0)
866
      {
867
        const CGEN_MACH *mach = & openrisc_cgen_mach_table[i];
868
 
869
        if (mach->insn_chunk_bitsize != 0)
870
        {
871
          if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
872
            {
873
              fprintf (stderr, "openrisc_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
874
                       cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
875
              abort ();
876
            }
877
 
878
          cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
879
        }
880
      }
881
 
882
  /* Determine which hw elements are used by MACH.  */
883
  build_hw_table (cd);
884
 
885
  /* Build the ifield table.  */
886
  build_ifield_table (cd);
887
 
888
  /* Determine which operands are used by MACH/ISA.  */
889
  build_operand_table (cd);
890
 
891
  /* Build the instruction table.  */
892
  build_insn_table (cd);
893
}
894
 
895
/* Initialize a cpu table and return a descriptor.
896
   It's much like opening a file, and must be the first function called.
897
   The arguments are a set of (type/value) pairs, terminated with
898
   CGEN_CPU_OPEN_END.
899
 
900
   Currently supported values:
901
   CGEN_CPU_OPEN_ISAS:    bitmap of values in enum isa_attr
902
   CGEN_CPU_OPEN_MACHS:   bitmap of values in enum mach_attr
903
   CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name
904
   CGEN_CPU_OPEN_ENDIAN:  specify endian choice
905
   CGEN_CPU_OPEN_END:     terminates arguments
906
 
907
   ??? Simultaneous multiple isas might not make sense, but it's not (yet)
908
   precluded.
909
 
910
   ??? We only support ISO C stdargs here, not K&R.
911
   Laziness, plus experiment to see if anything requires K&R - eventually
912
   K&R will no longer be supported - e.g. GDB is currently trying this.  */
913
 
914
CGEN_CPU_DESC
915
openrisc_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
916
{
917
  CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
918
  static int init_p;
919
  unsigned int isas = 0;  /* 0 = "unspecified" */
920
  unsigned int machs = 0; /* 0 = "unspecified" */
921
  enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN;
922
  va_list ap;
923
 
924
  if (! init_p)
925
    {
926
      init_tables ();
927
      init_p = 1;
928
    }
929
 
930
  memset (cd, 0, sizeof (*cd));
931
 
932
  va_start (ap, arg_type);
933
  while (arg_type != CGEN_CPU_OPEN_END)
934
    {
935
      switch (arg_type)
936
        {
937
        case CGEN_CPU_OPEN_ISAS :
938
          isas = va_arg (ap, unsigned int);
939
          break;
940
        case CGEN_CPU_OPEN_MACHS :
941
          machs = va_arg (ap, unsigned int);
942
          break;
943
        case CGEN_CPU_OPEN_BFDMACH :
944
          {
945
            const char *name = va_arg (ap, const char *);
946
            const CGEN_MACH *mach =
947
              lookup_mach_via_bfd_name (openrisc_cgen_mach_table, name);
948
 
949
            machs |= 1 << mach->num;
950
            break;
951
          }
952
        case CGEN_CPU_OPEN_ENDIAN :
953
          endian = va_arg (ap, enum cgen_endian);
954
          break;
955
        default :
956
          fprintf (stderr, "openrisc_cgen_cpu_open: unsupported argument `%d'\n",
957
                   arg_type);
958
          abort (); /* ??? return NULL? */
959
        }
960
      arg_type = va_arg (ap, enum cgen_cpu_open_arg);
961
    }
962
  va_end (ap);
963
 
964
  /* mach unspecified means "all" */
965
  if (machs == 0)
966
    machs = (1 << MAX_MACHS) - 1;
967
  /* base mach is always selected */
968
  machs |= 1;
969
  /* isa unspecified means "all" */
970
  if (isas == 0)
971
    isas = (1 << MAX_ISAS) - 1;
972
  if (endian == CGEN_ENDIAN_UNKNOWN)
973
    {
974
      /* ??? If target has only one, could have a default.  */
975
      fprintf (stderr, "openrisc_cgen_cpu_open: no endianness specified\n");
976
      abort ();
977
    }
978
 
979
  cd->isas = isas;
980
  cd->machs = machs;
981
  cd->endian = endian;
982
  /* FIXME: for the sparc case we can determine insn-endianness statically.
983
     The worry here is where both data and insn endian can be independently
984
     chosen, in which case this function will need another argument.
985
     Actually, will want to allow for more arguments in the future anyway.  */
986
  cd->insn_endian = endian;
987
 
988
  /* Table (re)builder.  */
989
  cd->rebuild_tables = openrisc_cgen_rebuild_tables;
990
  openrisc_cgen_rebuild_tables (cd);
991
 
992
  /* Default to not allowing signed overflow.  */
993
  cd->signed_overflow_ok_p = 0;
994
 
995
  return (CGEN_CPU_DESC) cd;
996
}
997
 
998
/* Cover fn to openrisc_cgen_cpu_open to handle the simple case of 1 isa, 1 mach.
999
   MACH_NAME is the bfd name of the mach.  */
1000
 
1001
CGEN_CPU_DESC
1002
openrisc_cgen_cpu_open_1 (mach_name, endian)
1003
     const char *mach_name;
1004
     enum cgen_endian endian;
1005
{
1006
  return openrisc_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name,
1007
                               CGEN_CPU_OPEN_ENDIAN, endian,
1008
                               CGEN_CPU_OPEN_END);
1009
}
1010
 
1011
/* Close a cpu table.
1012
   ??? This can live in a machine independent file, but there's currently
1013
   no place to put this file (there's no libcgen).  libopcodes is the wrong
1014
   place as some simulator ports use this but they don't use libopcodes.  */
1015
 
1016
void
1017
openrisc_cgen_cpu_close (cd)
1018
     CGEN_CPU_DESC cd;
1019
{
1020
  unsigned int i;
1021
  CGEN_INSN *insns;
1022
 
1023
  if (cd->macro_insn_table.init_entries)
1024
    {
1025
      insns = cd->macro_insn_table.init_entries;
1026
      for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
1027
        {
1028
          if (CGEN_INSN_RX ((insns)))
1029
            regfree(CGEN_INSN_RX (insns));
1030
        }
1031
    }
1032
 
1033
  if (cd->insn_table.init_entries)
1034
    {
1035
      insns = cd->insn_table.init_entries;
1036
      for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
1037
        {
1038
          if (CGEN_INSN_RX (insns))
1039
            regfree(CGEN_INSN_RX (insns));
1040
        }
1041
    }
1042
 
1043
 
1044
 
1045
  if (cd->macro_insn_table.init_entries)
1046
    free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
1047
 
1048
  if (cd->insn_table.init_entries)
1049
    free ((CGEN_INSN *) cd->insn_table.init_entries);
1050
 
1051
  if (cd->hw_table.entries)
1052
    free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
1053
 
1054
  if (cd->operand_table.entries)
1055
    free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
1056
 
1057
  free (cd);
1058
}
1059
 

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