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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [opcodes/] [openrisc-desc.c] - Blame information for rev 24

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1 24 jeremybenn 
/* CPU data for openrisc.
2 
 
3 
THIS FILE IS MACHINE GENERATED WITH CGEN.
4 
 
5 
Copyright 1996-2007 Free Software Foundation, Inc.
6 
 
7 
This file is part of the GNU Binutils and/or GDB, the GNU debugger.
8 
 
9 
   This file 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 3, or (at your option)
12 
   any later version.
13 
 
14 
   It is distributed in the hope that it will be useful, but WITHOUT
15 
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
17 
   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 
   51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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 
#include "xregex.h"
36 
 
37 
/* Attributes.  */
38 
 
39 
static const CGEN_ATTR_ENTRY bool_attr[] =
40 
{
41 
  { "#f", 0 },
42 
  { "#t", 1 },
43 
  { 0, 0 }
44 
};
45 
 
46 
static const CGEN_ATTR_ENTRY MACH_attr[] ATTRIBUTE_UNUSED =
47 
{
48 
  { "base", MACH_BASE },
49 
  { "openrisc", MACH_OPENRISC },
50 
  { "or1300", MACH_OR1300 },
51 
  { "max", MACH_MAX },
52 
  { 0, 0 }
53 
};
54 
 
55 
static const CGEN_ATTR_ENTRY ISA_attr[] ATTRIBUTE_UNUSED =
56 
{
57 
  { "or32", ISA_OR32 },
58 
  { "max", ISA_MAX },
59 
  { 0, 0 }
60 
};
61 
 
62 
static const CGEN_ATTR_ENTRY HAS_CACHE_attr[] ATTRIBUTE_UNUSED =
63 
{
64 
  { "DATA_CACHE", HAS_CACHE_DATA_CACHE },
65 
  { "INSN_CACHE", HAS_CACHE_INSN_CACHE },
66 
  { 0, 0 }
67 
};
68 
 
69 
const CGEN_ATTR_TABLE openrisc_cgen_ifield_attr_table[] =
70 
{
71 
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
72 
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
73 
  { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
74 
  { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
75 
  { "RESERVED", &bool_attr[0], &bool_attr[0] },
76 
  { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
77 
  { "SIGNED", &bool_attr[0], &bool_attr[0] },
78 
  { 0, 0, 0 }
79 
};
80 
 
81 
const CGEN_ATTR_TABLE openrisc_cgen_hardware_attr_table[] =
82 
{
83 
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
84 
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
85 
  { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] },
86 
  { "PC", &bool_attr[0], &bool_attr[0] },
87 
  { "PROFILE", &bool_attr[0], &bool_attr[0] },
88 
  { 0, 0, 0 }
89 
};
90 
 
91 
const CGEN_ATTR_TABLE openrisc_cgen_operand_attr_table[] =
92 
{
93 
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
94 
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
95 
  { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] },
96 
  { "ABS-ADDR", &bool_attr[0], &bool_attr[0] },
97 
  { "SIGN-OPT", &bool_attr[0], &bool_attr[0] },
98 
  { "SIGNED", &bool_attr[0], &bool_attr[0] },
99 
  { "NEGATIVE", &bool_attr[0], &bool_attr[0] },
100 
  { "RELAX", &bool_attr[0], &bool_attr[0] },
101 
  { "SEM-ONLY", &bool_attr[0], &bool_attr[0] },
102 
  { 0, 0, 0 }
103 
};
104 
 
105 
const CGEN_ATTR_TABLE openrisc_cgen_insn_attr_table[] =
106 
{
107 
  { "MACH", & MACH_attr[0], & MACH_attr[0] },
108 
  { "ALIAS", &bool_attr[0], &bool_attr[0] },
109 
  { "VIRTUAL", &bool_attr[0], &bool_attr[0] },
110 
  { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] },
111 
  { "COND-CTI", &bool_attr[0], &bool_attr[0] },
112 
  { "SKIP-CTI", &bool_attr[0], &bool_attr[0] },
113 
  { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
114 
  { "RELAXABLE", &bool_attr[0], &bool_attr[0] },
115 
  { "RELAXED", &bool_attr[0], &bool_attr[0] },
116 
  { "NO-DIS", &bool_attr[0], &bool_attr[0] },
117 
  { "PBB", &bool_attr[0], &bool_attr[0] },
118 
  { "NOT-IN-DELAY-SLOT", &bool_attr[0], &bool_attr[0] },
119 
  { 0, 0, 0 }
120 
};
121 
 
122 
/* Instruction set variants.  */
123 
 
124 
static const CGEN_ISA openrisc_cgen_isa_table[] = {
125 
  { "or32", 32, 32, 32, 32 },
126 
  { 0, 0, 0, 0, 0 }
127 
};
128 
 
129 
/* Machine variants.  */
130 
 
131 
static const CGEN_MACH openrisc_cgen_mach_table[] = {
132 
  { "openrisc", "openrisc", MACH_OPENRISC, 0 },
133 
  { "or1300", "openrisc:1300", MACH_OR1300, 0 },
134 
  { 0, 0, 0, 0 }
135 
};
136 
 
137 
static CGEN_KEYWORD_ENTRY openrisc_cgen_opval_h_gr_entries[] =
138 
{
139 
  { "r0", 0, {0, {{{0, 0}}}}, 0, 0 },
140 
  { "r1", 1, {0, {{{0, 0}}}}, 0, 0 },
141 
  { "r2", 2, {0, {{{0, 0}}}}, 0, 0 },
142 
  { "r3", 3, {0, {{{0, 0}}}}, 0, 0 },
143 
  { "r4", 4, {0, {{{0, 0}}}}, 0, 0 },
144 
  { "r5", 5, {0, {{{0, 0}}}}, 0, 0 },
145 
  { "r6", 6, {0, {{{0, 0}}}}, 0, 0 },
146 
  { "r7", 7, {0, {{{0, 0}}}}, 0, 0 },
147 
  { "r8", 8, {0, {{{0, 0}}}}, 0, 0 },
148 
  { "r9", 9, {0, {{{0, 0}}}}, 0, 0 },
149 
  { "r10", 10, {0, {{{0, 0}}}}, 0, 0 },
150 
  { "r11", 11, {0, {{{0, 0}}}}, 0, 0 },
151 
  { "r12", 12, {0, {{{0, 0}}}}, 0, 0 },
152 
  { "r13", 13, {0, {{{0, 0}}}}, 0, 0 },
153 
  { "r14", 14, {0, {{{0, 0}}}}, 0, 0 },
154 
  { "r15", 15, {0, {{{0, 0}}}}, 0, 0 },
155 
  { "r16", 16, {0, {{{0, 0}}}}, 0, 0 },
156 
  { "r17", 17, {0, {{{0, 0}}}}, 0, 0 },
157 
  { "r18", 18, {0, {{{0, 0}}}}, 0, 0 },
158 
  { "r19", 19, {0, {{{0, 0}}}}, 0, 0 },
159 
  { "r20", 20, {0, {{{0, 0}}}}, 0, 0 },
160 
  { "r21", 21, {0, {{{0, 0}}}}, 0, 0 },
161 
  { "r22", 22, {0, {{{0, 0}}}}, 0, 0 },
162 
  { "r23", 23, {0, {{{0, 0}}}}, 0, 0 },
163 
  { "r24", 24, {0, {{{0, 0}}}}, 0, 0 },
164 
  { "r25", 25, {0, {{{0, 0}}}}, 0, 0 },
165 
  { "r26", 26, {0, {{{0, 0}}}}, 0, 0 },
166 
  { "r27", 27, {0, {{{0, 0}}}}, 0, 0 },
167 
  { "r28", 28, {0, {{{0, 0}}}}, 0, 0 },
168 
  { "r29", 29, {0, {{{0, 0}}}}, 0, 0 },
169 
  { "r30", 30, {0, {{{0, 0}}}}, 0, 0 },
170 
  { "r31", 31, {0, {{{0, 0}}}}, 0, 0 },
171 
  { "lr", 11, {0, {{{0, 0}}}}, 0, 0 },
172 
  { "sp", 1, {0, {{{0, 0}}}}, 0, 0 },
173 
  { "fp", 2, {0, {{{0, 0}}}}, 0, 0 }
174 
};
175 
 
176 
CGEN_KEYWORD openrisc_cgen_opval_h_gr =
177 
{
178 
  & openrisc_cgen_opval_h_gr_entries[0],
179 
  35,
180 
  0, 0, 0, 0, ""
181 
};
182 
 
183 
 
184 
/* The hardware table.  */
185 
 
186 
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
187 
#define A(a) (1 << CGEN_HW_##a)
188 
#else
189 
#define A(a) (1 << CGEN_HW_/**/a)
190 
#endif
191 
 
192 
const CGEN_HW_ENTRY openrisc_cgen_hw_table[] =
193 
{
194 
  { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
195 
  { "h-sint", HW_H_SINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
196 
  { "h-uint", HW_H_UINT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
197 
  { "h-addr", HW_H_ADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
198 
  { "h-iaddr", HW_H_IADDR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
199 
  { "h-pc", HW_H_PC, CGEN_ASM_NONE, 0, { 0|A(PROFILE)|A(PC), { { { (1<<MACH_BASE), 0 } } } } },
200 
  { "h-gr", HW_H_GR, CGEN_ASM_KEYWORD, (PTR) & openrisc_cgen_opval_h_gr, { 0|A(PROFILE), { { { (1<<MACH_BASE), 0 } } } } },
201 
  { "h-sr", HW_H_SR, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
202 
  { "h-hi16", HW_H_HI16, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
203 
  { "h-lo16", HW_H_LO16, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
204 
  { "h-cbit", HW_H_CBIT, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
205 
  { "h-delay-insn", HW_H_DELAY_INSN, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
206 
  { 0, 0, CGEN_ASM_NONE, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }
207 
};
208 
 
209 
#undef A
210 
 
211 
 
212 
/* The instruction field table.  */
213 
 
214 
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
215 
#define A(a) (1 << CGEN_IFLD_##a)
216 
#else
217 
#define A(a) (1 << CGEN_IFLD_/**/a)
218 
#endif
219 
 
220 
const CGEN_IFLD openrisc_cgen_ifld_table[] =
221 
{
222 
  { OPENRISC_F_NIL, "f-nil", 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
223 
  { OPENRISC_F_ANYOF, "f-anyof", 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
224 
  { OPENRISC_F_CLASS, "f-class", 0, 32, 31, 2, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
225 
  { OPENRISC_F_SUB, "f-sub", 0, 32, 29, 4, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
226 
  { OPENRISC_F_R1, "f-r1", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
227 
  { OPENRISC_F_R2, "f-r2", 0, 32, 20, 5, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
228 
  { OPENRISC_F_R3, "f-r3", 0, 32, 15, 5, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
229 
  { OPENRISC_F_SIMM16, "f-simm16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
230 
  { OPENRISC_F_UIMM16, "f-uimm16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
231 
  { OPENRISC_F_UIMM5, "f-uimm5", 0, 32, 4, 5, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
232 
  { OPENRISC_F_HI16, "f-hi16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
233 
  { OPENRISC_F_LO16, "f-lo16", 0, 32, 15, 16, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
234 
  { OPENRISC_F_OP1, "f-op1", 0, 32, 31, 2, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
235 
  { OPENRISC_F_OP2, "f-op2", 0, 32, 29, 4, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
236 
  { OPENRISC_F_OP3, "f-op3", 0, 32, 25, 2, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
237 
  { OPENRISC_F_OP4, "f-op4", 0, 32, 23, 3, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
238 
  { OPENRISC_F_OP5, "f-op5", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
239 
  { OPENRISC_F_OP6, "f-op6", 0, 32, 7, 3, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
240 
  { OPENRISC_F_OP7, "f-op7", 0, 32, 3, 4, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
241 
  { OPENRISC_F_I16_1, "f-i16-1", 0, 32, 10, 11, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
242 
  { OPENRISC_F_I16_2, "f-i16-2", 0, 32, 25, 5, { 0, { { { (1<<MACH_BASE), 0 } } } }  },
243 
  { OPENRISC_F_DISP26, "f-disp26", 0, 32, 25, 26, { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
244 
  { OPENRISC_F_ABS26, "f-abs26", 0, 32, 25, 26, { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
245 
  { OPENRISC_F_I16NC, "f-i16nc", 0, 0, 0, 0,{ 0|A(SIGN_OPT)|A(VIRTUAL), { { { (1<<MACH_BASE), 0 } } } }  },
246 
  { OPENRISC_F_F_15_8, "f-f-15-8", 0, 32, 15, 8, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } }  },
247 
  { OPENRISC_F_F_10_3, "f-f-10-3", 0, 32, 10, 3, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } }  },
248 
  { OPENRISC_F_F_4_1, "f-f-4-1", 0, 32, 4, 1, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } }  },
249 
  { OPENRISC_F_F_7_3, "f-f-7-3", 0, 32, 7, 3, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } }  },
250 
  { OPENRISC_F_F_10_7, "f-f-10-7", 0, 32, 10, 7, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } }  },
251 
  { OPENRISC_F_F_10_11, "f-f-10-11", 0, 32, 10, 11, { 0|A(RESERVED), { { { (1<<MACH_BASE), 0 } } } }  },
252 
  { 0, 0, 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } }
253 
};
254 
 
255 
#undef A
256 
 
257 
 
258 
 
259 
/* multi ifield declarations */
260 
 
261 
const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [];
262 
 
263 
 
264 
/* multi ifield definitions */
265 
 
266 
const CGEN_MAYBE_MULTI_IFLD OPENRISC_F_I16NC_MULTI_IFIELD [] =
267 
{
268 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_1] } },
269 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_I16_2] } },
270 
    { 0, { (const PTR) 0 } }
271 
};
272 
 
273 
/* The operand table.  */
274 
 
275 
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
276 
#define A(a) (1 << CGEN_OPERAND_##a)
277 
#else
278 
#define A(a) (1 << CGEN_OPERAND_/**/a)
279 
#endif
280 
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
281 
#define OPERAND(op) OPENRISC_OPERAND_##op
282 
#else
283 
#define OPERAND(op) OPENRISC_OPERAND_/**/op
284 
#endif
285 
 
286 
const CGEN_OPERAND openrisc_cgen_operand_table[] =
287 
{
288 
/* pc: program counter */
289 
  { "pc", OPENRISC_OPERAND_PC, HW_H_PC, 0, 0,
290 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_NIL] } },
291 
    { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } }  },
292 
/* sr: special register */
293 
  { "sr", OPENRISC_OPERAND_SR, HW_H_SR, 0, 0,
294 
    { 0, { (const PTR) 0 } },
295 
    { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } }  },
296 
/* cbit: condition bit */
297 
  { "cbit", OPENRISC_OPERAND_CBIT, HW_H_CBIT, 0, 0,
298 
    { 0, { (const PTR) 0 } },
299 
    { 0|A(SEM_ONLY), { { { (1<<MACH_BASE), 0 } } } }  },
300 
/* simm-16: 16 bit signed immediate */
301 
  { "simm-16", OPENRISC_OPERAND_SIMM_16, HW_H_SINT, 15, 16,
302 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_SIMM16] } },
303 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
304 
/* uimm-16: 16 bit unsigned immediate */
305 
  { "uimm-16", OPENRISC_OPERAND_UIMM_16, HW_H_UINT, 15, 16,
306 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM16] } },
307 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
308 
/* disp-26: pc-rel 26 bit */
309 
  { "disp-26", OPENRISC_OPERAND_DISP_26, HW_H_IADDR, 25, 26,
310 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_DISP26] } },
311 
    { 0|A(PCREL_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
312 
/* abs-26: abs 26 bit */
313 
  { "abs-26", OPENRISC_OPERAND_ABS_26, HW_H_IADDR, 25, 26,
314 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_ABS26] } },
315 
    { 0|A(ABS_ADDR), { { { (1<<MACH_BASE), 0 } } } }  },
316 
/* uimm-5: imm5 */
317 
  { "uimm-5", OPENRISC_OPERAND_UIMM_5, HW_H_UINT, 4, 5,
318 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_UIMM5] } },
319 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
320 
/* rD: destination register */
321 
  { "rD", OPENRISC_OPERAND_RD, HW_H_GR, 25, 5,
322 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R1] } },
323 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
324 
/* rA: source register A */
325 
  { "rA", OPENRISC_OPERAND_RA, HW_H_GR, 20, 5,
326 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R2] } },
327 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
328 
/* rB: source register B */
329 
  { "rB", OPENRISC_OPERAND_RB, HW_H_GR, 15, 5,
330 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_R3] } },
331 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
332 
/* op-f-23: f-op23 */
333 
  { "op-f-23", OPENRISC_OPERAND_OP_F_23, HW_H_UINT, 23, 3,
334 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_OP4] } },
335 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
336 
/* op-f-3: f-op3 */
337 
  { "op-f-3", OPENRISC_OPERAND_OP_F_3, HW_H_UINT, 25, 5,
338 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_OP5] } },
339 
    { 0, { { { (1<<MACH_BASE), 0 } } } }  },
340 
/* hi16: high 16 bit immediate, sign optional */
341 
  { "hi16", OPENRISC_OPERAND_HI16, HW_H_HI16, 15, 16,
342 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_SIMM16] } },
343 
    { 0|A(SIGN_OPT), { { { (1<<MACH_BASE), 0 } } } }  },
344 
/* lo16: low 16 bit immediate, sign optional */
345 
  { "lo16", OPENRISC_OPERAND_LO16, HW_H_LO16, 15, 16,
346 
    { 0, { (const PTR) &openrisc_cgen_ifld_table[OPENRISC_F_LO16] } },
347 
    { 0|A(SIGN_OPT), { { { (1<<MACH_BASE), 0 } } } }  },
348 
/* ui16nc: 16 bit immediate, sign optional */
349 
  { "ui16nc", OPENRISC_OPERAND_UI16NC, HW_H_LO16, 10, 16,
350 
    { 2, { (const PTR) &OPENRISC_F_I16NC_MULTI_IFIELD[0] } },
351 
    { 0|A(SIGN_OPT)|A(VIRTUAL), { { { (1<<MACH_BASE), 0 } } } }  },
352 
/* sentinel */
353 
  { 0, 0, 0, 0, 0,
354 
    { 0, { (const PTR) 0 } },
355 
    { 0, { { { (1<<MACH_BASE), 0 } } } } }
356 
};
357 
 
358 
#undef A
359 
 
360 
 
361 
/* The instruction table.  */
362 
 
363 
#define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field))
364 
#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
365 
#define A(a) (1 << CGEN_INSN_##a)
366 
#else
367 
#define A(a) (1 << CGEN_INSN_/**/a)
368 
#endif
369 
 
370 
static const CGEN_IBASE openrisc_cgen_insn_table[MAX_INSNS] =
371 
{
372 
  /* Special null first entry.
373 
     A `num' value of zero is thus invalid.
374 
     Also, the special `invalid' insn resides here.  */
375 
  { 0, 0, 0, 0, { 0, { { { (1<<MACH_BASE), 0 } } } } },
376 
/* l.j ${abs-26} */
377 
  {
378 
    OPENRISC_INSN_L_J, "l-j", "l.j", 32,
379 
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
380 
  },
381 
/* l.jal ${abs-26} */
382 
  {
383 
    OPENRISC_INSN_L_JAL, "l-jal", "l.jal", 32,
384 
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
385 
  },
386 
/* l.jr $rA */
387 
  {
388 
    OPENRISC_INSN_L_JR, "l-jr", "l.jr", 32,
389 
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
390 
  },
391 
/* l.jalr $rA */
392 
  {
393 
    OPENRISC_INSN_L_JALR, "l-jalr", "l.jalr", 32,
394 
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
395 
  },
396 
/* l.bal ${disp-26} */
397 
  {
398 
    OPENRISC_INSN_L_BAL, "l-bal", "l.bal", 32,
399 
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
400 
  },
401 
/* l.bnf ${disp-26} */
402 
  {
403 
    OPENRISC_INSN_L_BNF, "l-bnf", "l.bnf", 32,
404 
    { 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
405 
  },
406 
/* l.bf ${disp-26} */
407 
  {
408 
    OPENRISC_INSN_L_BF, "l-bf", "l.bf", 32,
409 
    { 0|A(NOT_IN_DELAY_SLOT)|A(COND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
410 
  },
411 
/* l.brk ${uimm-16} */
412 
  {
413 
    OPENRISC_INSN_L_BRK, "l-brk", "l.brk", 32,
414 
    { 0|A(NOT_IN_DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
415 
  },
416 
/* l.rfe $rA */
417 
  {
418 
    OPENRISC_INSN_L_RFE, "l-rfe", "l.rfe", 32,
419 
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
420 
  },
421 
/* l.sys ${uimm-16} */
422 
  {
423 
    OPENRISC_INSN_L_SYS, "l-sys", "l.sys", 32,
424 
    { 0|A(NOT_IN_DELAY_SLOT)|A(UNCOND_CTI)|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
425 
  },
426 
/* l.nop */
427 
  {
428 
    OPENRISC_INSN_L_NOP, "l-nop", "l.nop", 32,
429 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
430 
  },
431 
/* l.movhi $rD,$hi16 */
432 
  {
433 
    OPENRISC_INSN_L_MOVHI, "l-movhi", "l.movhi", 32,
434 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
435 
  },
436 
/* l.mfsr $rD,$rA */
437 
  {
438 
    OPENRISC_INSN_L_MFSR, "l-mfsr", "l.mfsr", 32,
439 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
440 
  },
441 
/* l.mtsr $rA,$rB */
442 
  {
443 
    OPENRISC_INSN_L_MTSR, "l-mtsr", "l.mtsr", 32,
444 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
445 
  },
446 
/* l.lw $rD,${simm-16}($rA) */
447 
  {
448 
    OPENRISC_INSN_L_LW, "l-lw", "l.lw", 32,
449 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
450 
  },
451 
/* l.lbz $rD,${simm-16}($rA) */
452 
  {
453 
    OPENRISC_INSN_L_LBZ, "l-lbz", "l.lbz", 32,
454 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
455 
  },
456 
/* l.lbs $rD,${simm-16}($rA) */
457 
  {
458 
    OPENRISC_INSN_L_LBS, "l-lbs", "l.lbs", 32,
459 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
460 
  },
461 
/* l.lhz $rD,${simm-16}($rA) */
462 
  {
463 
    OPENRISC_INSN_L_LHZ, "l-lhz", "l.lhz", 32,
464 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
465 
  },
466 
/* l.lhs $rD,${simm-16}($rA) */
467 
  {
468 
    OPENRISC_INSN_L_LHS, "l-lhs", "l.lhs", 32,
469 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
470 
  },
471 
/* l.sw ${ui16nc}($rA),$rB */
472 
  {
473 
    OPENRISC_INSN_L_SW, "l-sw", "l.sw", 32,
474 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
475 
  },
476 
/* l.sb ${ui16nc}($rA),$rB */
477 
  {
478 
    OPENRISC_INSN_L_SB, "l-sb", "l.sb", 32,
479 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
480 
  },
481 
/* l.sh ${ui16nc}($rA),$rB */
482 
  {
483 
    OPENRISC_INSN_L_SH, "l-sh", "l.sh", 32,
484 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
485 
  },
486 
/* l.sll $rD,$rA,$rB */
487 
  {
488 
    OPENRISC_INSN_L_SLL, "l-sll", "l.sll", 32,
489 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
490 
  },
491 
/* l.slli $rD,$rA,${uimm-5} */
492 
  {
493 
    OPENRISC_INSN_L_SLLI, "l-slli", "l.slli", 32,
494 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
495 
  },
496 
/* l.srl $rD,$rA,$rB */
497 
  {
498 
    OPENRISC_INSN_L_SRL, "l-srl", "l.srl", 32,
499 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
500 
  },
501 
/* l.srli $rD,$rA,${uimm-5} */
502 
  {
503 
    OPENRISC_INSN_L_SRLI, "l-srli", "l.srli", 32,
504 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
505 
  },
506 
/* l.sra $rD,$rA,$rB */
507 
  {
508 
    OPENRISC_INSN_L_SRA, "l-sra", "l.sra", 32,
509 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
510 
  },
511 
/* l.srai $rD,$rA,${uimm-5} */
512 
  {
513 
    OPENRISC_INSN_L_SRAI, "l-srai", "l.srai", 32,
514 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
515 
  },
516 
/* l.ror $rD,$rA,$rB */
517 
  {
518 
    OPENRISC_INSN_L_ROR, "l-ror", "l.ror", 32,
519 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
520 
  },
521 
/* l.rori $rD,$rA,${uimm-5} */
522 
  {
523 
    OPENRISC_INSN_L_RORI, "l-rori", "l.rori", 32,
524 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
525 
  },
526 
/* l.add $rD,$rA,$rB */
527 
  {
528 
    OPENRISC_INSN_L_ADD, "l-add", "l.add", 32,
529 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
530 
  },
531 
/* l.addi $rD,$rA,$lo16 */
532 
  {
533 
    OPENRISC_INSN_L_ADDI, "l-addi", "l.addi", 32,
534 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
535 
  },
536 
/* l.sub $rD,$rA,$rB */
537 
  {
538 
    OPENRISC_INSN_L_SUB, "l-sub", "l.sub", 32,
539 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
540 
  },
541 
/* l.subi $rD,$rA,$lo16 */
542 
  {
543 
    OPENRISC_INSN_L_SUBI, "l-subi", "l.subi", 32,
544 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
545 
  },
546 
/* l.and $rD,$rA,$rB */
547 
  {
548 
    OPENRISC_INSN_L_AND, "l-and", "l.and", 32,
549 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
550 
  },
551 
/* l.andi $rD,$rA,$lo16 */
552 
  {
553 
    OPENRISC_INSN_L_ANDI, "l-andi", "l.andi", 32,
554 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
555 
  },
556 
/* l.or $rD,$rA,$rB */
557 
  {
558 
    OPENRISC_INSN_L_OR, "l-or", "l.or", 32,
559 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
560 
  },
561 
/* l.ori $rD,$rA,$lo16 */
562 
  {
563 
    OPENRISC_INSN_L_ORI, "l-ori", "l.ori", 32,
564 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
565 
  },
566 
/* l.xor $rD,$rA,$rB */
567 
  {
568 
    OPENRISC_INSN_L_XOR, "l-xor", "l.xor", 32,
569 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
570 
  },
571 
/* l.xori $rD,$rA,$lo16 */
572 
  {
573 
    OPENRISC_INSN_L_XORI, "l-xori", "l.xori", 32,
574 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
575 
  },
576 
/* l.mul $rD,$rA,$rB */
577 
  {
578 
    OPENRISC_INSN_L_MUL, "l-mul", "l.mul", 32,
579 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
580 
  },
581 
/* l.muli $rD,$rA,$lo16 */
582 
  {
583 
    OPENRISC_INSN_L_MULI, "l-muli", "l.muli", 32,
584 
    { 0, { { { (1<<MACH_BASE), 0 } } } }
585 
  },
586 
/* l.div $rD,$rA,$rB */
587 
  {
588 
    OPENRISC_INSN_L_DIV, "l-div", "l.div", 32,
589 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
590 
  },
591 
/* l.divu $rD,$rA,$rB */
592 
  {
593 
    OPENRISC_INSN_L_DIVU, "l-divu", "l.divu", 32,
594 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
595 
  },
596 
/* l.sfgts $rA,$rB */
597 
  {
598 
    OPENRISC_INSN_L_SFGTS, "l-sfgts", "l.sfgts", 32,
599 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
600 
  },
601 
/* l.sfgtu $rA,$rB */
602 
  {
603 
    OPENRISC_INSN_L_SFGTU, "l-sfgtu", "l.sfgtu", 32,
604 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
605 
  },
606 
/* l.sfges $rA,$rB */
607 
  {
608 
    OPENRISC_INSN_L_SFGES, "l-sfges", "l.sfges", 32,
609 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
610 
  },
611 
/* l.sfgeu $rA,$rB */
612 
  {
613 
    OPENRISC_INSN_L_SFGEU, "l-sfgeu", "l.sfgeu", 32,
614 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
615 
  },
616 
/* l.sflts $rA,$rB */
617 
  {
618 
    OPENRISC_INSN_L_SFLTS, "l-sflts", "l.sflts", 32,
619 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
620 
  },
621 
/* l.sfltu $rA,$rB */
622 
  {
623 
    OPENRISC_INSN_L_SFLTU, "l-sfltu", "l.sfltu", 32,
624 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
625 
  },
626 
/* l.sfles $rA,$rB */
627 
  {
628 
    OPENRISC_INSN_L_SFLES, "l-sfles", "l.sfles", 32,
629 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
630 
  },
631 
/* l.sfleu $rA,$rB */
632 
  {
633 
    OPENRISC_INSN_L_SFLEU, "l-sfleu", "l.sfleu", 32,
634 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
635 
  },
636 
/* l.sfgtsi $rA,${simm-16} */
637 
  {
638 
    OPENRISC_INSN_L_SFGTSI, "l-sfgtsi", "l.sfgtsi", 32,
639 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
640 
  },
641 
/* l.sfgtui $rA,${uimm-16} */
642 
  {
643 
    OPENRISC_INSN_L_SFGTUI, "l-sfgtui", "l.sfgtui", 32,
644 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
645 
  },
646 
/* l.sfgesi $rA,${simm-16} */
647 
  {
648 
    OPENRISC_INSN_L_SFGESI, "l-sfgesi", "l.sfgesi", 32,
649 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
650 
  },
651 
/* l.sfgeui $rA,${uimm-16} */
652 
  {
653 
    OPENRISC_INSN_L_SFGEUI, "l-sfgeui", "l.sfgeui", 32,
654 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
655 
  },
656 
/* l.sfltsi $rA,${simm-16} */
657 
  {
658 
    OPENRISC_INSN_L_SFLTSI, "l-sfltsi", "l.sfltsi", 32,
659 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
660 
  },
661 
/* l.sfltui $rA,${uimm-16} */
662 
  {
663 
    OPENRISC_INSN_L_SFLTUI, "l-sfltui", "l.sfltui", 32,
664 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
665 
  },
666 
/* l.sflesi $rA,${simm-16} */
667 
  {
668 
    OPENRISC_INSN_L_SFLESI, "l-sflesi", "l.sflesi", 32,
669 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
670 
  },
671 
/* l.sfleui $rA,${uimm-16} */
672 
  {
673 
    OPENRISC_INSN_L_SFLEUI, "l-sfleui", "l.sfleui", 32,
674 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
675 
  },
676 
/* l.sfeq $rA,$rB */
677 
  {
678 
    OPENRISC_INSN_L_SFEQ, "l-sfeq", "l.sfeq", 32,
679 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
680 
  },
681 
/* l.sfeqi $rA,${simm-16} */
682 
  {
683 
    OPENRISC_INSN_L_SFEQI, "l-sfeqi", "l.sfeqi", 32,
684 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
685 
  },
686 
/* l.sfne $rA,$rB */
687 
  {
688 
    OPENRISC_INSN_L_SFNE, "l-sfne", "l.sfne", 32,
689 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
690 
  },
691 
/* l.sfnei $rA,${simm-16} */
692 
  {
693 
    OPENRISC_INSN_L_SFNEI, "l-sfnei", "l.sfnei", 32,
694 
    { 0|A(DELAY_SLOT), { { { (1<<MACH_BASE), 0 } } } }
695 
  },
696 
};
697 
 
698 
#undef OP
699 
#undef A
700 
 
701 
/* Initialize anything needed to be done once, before any cpu_open call.  */
702 
 
703 
static void
704 
init_tables (void)
705 
{
706 
}
707 
 
708 
static const CGEN_MACH * lookup_mach_via_bfd_name (const CGEN_MACH *, const char *);
709 
static void build_hw_table      (CGEN_CPU_TABLE *);
710 
static void build_ifield_table  (CGEN_CPU_TABLE *);
711 
static void build_operand_table (CGEN_CPU_TABLE *);
712 
static void build_insn_table    (CGEN_CPU_TABLE *);
713 
static void openrisc_cgen_rebuild_tables (CGEN_CPU_TABLE *);
714 
 
715 
/* Subroutine of openrisc_cgen_cpu_open to look up a mach via its bfd name.  */
716 
 
717 
static const CGEN_MACH *
718 
lookup_mach_via_bfd_name (const CGEN_MACH *table, const char *name)
719 
{
720 
  while (table->name)
721 
    {
722 
      if (strcmp (name, table->bfd_name) == 0)
723 
        return table;
724 
      ++table;
725 
    }
726 
  abort ();
727 
}
728 
 
729 
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.  */
730 
 
731 
static void
732 
build_hw_table (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 (CGEN_CPU_TABLE *cd)
759 
{
760 
  cd->ifld_table = & openrisc_cgen_ifld_table[0];
761 
}
762 
 
763 
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.  */
764 
 
765 
static void
766 
build_operand_table (CGEN_CPU_TABLE *cd)
767 
{
768 
  int i;
769 
  int machs = cd->machs;
770 
  const CGEN_OPERAND *init = & openrisc_cgen_operand_table[0];
771 
  /* MAX_OPERANDS is only an upper bound on the number of selected entries.
772 
     However each entry is indexed by it's enum so there can be holes in
773 
     the table.  */
774 
  const CGEN_OPERAND **selected = xmalloc (MAX_OPERANDS * sizeof (* selected));
775 
 
776 
  cd->operand_table.init_entries = init;
777 
  cd->operand_table.entry_size = sizeof (CGEN_OPERAND);
778 
  memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *));
779 
  /* ??? For now we just use mach to determine which ones we want.  */
780 
  for (i = 0; init[i].name != NULL; ++i)
781 
    if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH)
782 
        & machs)
783 
      selected[init[i].type] = &init[i];
784 
  cd->operand_table.entries = selected;
785 
  cd->operand_table.num_entries = MAX_OPERANDS;
786 
}
787 
 
788 
/* Subroutine of openrisc_cgen_cpu_open to build the hardware table.
789 
   ??? This could leave out insns not supported by the specified mach/isa,
790 
   but that would cause errors like "foo only supported by bar" to become
791 
   "unknown insn", so for now we include all insns and require the app to
792 
   do the checking later.
793 
   ??? On the other hand, parsing of such insns may require their hardware or
794 
   operand elements to be in the table [which they mightn't be].  */
795 
 
796 
static void
797 
build_insn_table (CGEN_CPU_TABLE *cd)
798 
{
799 
  int i;
800 
  const CGEN_IBASE *ib = & openrisc_cgen_insn_table[0];
801 
  CGEN_INSN *insns = xmalloc (MAX_INSNS * sizeof (CGEN_INSN));
802 
 
803 
  memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN));
804 
  for (i = 0; i < MAX_INSNS; ++i)
805 
    insns[i].base = &ib[i];
806 
  cd->insn_table.init_entries = insns;
807 
  cd->insn_table.entry_size = sizeof (CGEN_IBASE);
808 
  cd->insn_table.num_init_entries = MAX_INSNS;
809 
}
810 
 
811 
/* Subroutine of openrisc_cgen_cpu_open to rebuild the tables.  */
812 
 
813 
static void
814 
openrisc_cgen_rebuild_tables (CGEN_CPU_TABLE *cd)
815 
{
816 
  int i;
817 
  CGEN_BITSET *isas = cd->isas;
818 
  unsigned int machs = cd->machs;
819 
 
820 
  cd->int_insn_p = CGEN_INT_INSN_P;
821 
 
822 
  /* Data derived from the isa spec.  */
823 
#define UNSET (CGEN_SIZE_UNKNOWN + 1)
824 
  cd->default_insn_bitsize = UNSET;
825 
  cd->base_insn_bitsize = UNSET;
826 
  cd->min_insn_bitsize = 65535; /* Some ridiculously big number.  */
827 
  cd->max_insn_bitsize = 0;
828 
  for (i = 0; i < MAX_ISAS; ++i)
829 
    if (cgen_bitset_contains (isas, i))
830 
      {
831 
        const CGEN_ISA *isa = & openrisc_cgen_isa_table[i];
832 
 
833 
        /* Default insn sizes of all selected isas must be
834 
           equal or we set the result to 0, meaning "unknown".  */
835 
        if (cd->default_insn_bitsize == UNSET)
836 
          cd->default_insn_bitsize = isa->default_insn_bitsize;
837 
        else if (isa->default_insn_bitsize == cd->default_insn_bitsize)
838 
          ; /* This is ok.  */
839 
        else
840 
          cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN;
841 
 
842 
        /* Base insn sizes of all selected isas must be equal
843 
           or we set the result to 0, meaning "unknown".  */
844 
        if (cd->base_insn_bitsize == UNSET)
845 
          cd->base_insn_bitsize = isa->base_insn_bitsize;
846 
        else if (isa->base_insn_bitsize == cd->base_insn_bitsize)
847 
          ; /* This is ok.  */
848 
        else
849 
          cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN;
850 
 
851 
        /* Set min,max insn sizes.  */
852 
        if (isa->min_insn_bitsize < cd->min_insn_bitsize)
853 
          cd->min_insn_bitsize = isa->min_insn_bitsize;
854 
        if (isa->max_insn_bitsize > cd->max_insn_bitsize)
855 
          cd->max_insn_bitsize = isa->max_insn_bitsize;
856 
      }
857 
 
858 
  /* Data derived from the mach spec.  */
859 
  for (i = 0; i < MAX_MACHS; ++i)
860 
    if (((1 << i) & machs) != 0)
861 
      {
862 
        const CGEN_MACH *mach = & openrisc_cgen_mach_table[i];
863 
 
864 
        if (mach->insn_chunk_bitsize != 0)
865 
        {
866 
          if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize)
867 
            {
868 
              fprintf (stderr, "openrisc_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n",
869 
                       cd->insn_chunk_bitsize, mach->insn_chunk_bitsize);
870 
              abort ();
871 
            }
872 
 
873 
          cd->insn_chunk_bitsize = mach->insn_chunk_bitsize;
874 
        }
875 
      }
876 
 
877 
  /* Determine which hw elements are used by MACH.  */
878 
  build_hw_table (cd);
879 
 
880 
  /* Build the ifield table.  */
881 
  build_ifield_table (cd);
882 
 
883 
  /* Determine which operands are used by MACH/ISA.  */
884 
  build_operand_table (cd);
885 
 
886 
  /* Build the instruction table.  */
887 
  build_insn_table (cd);
888 
}
889 
 
890 
/* Initialize a cpu table and return a descriptor.
891 
   It's much like opening a file, and must be the first function called.
892 
   The arguments are a set of (type/value) pairs, terminated with
893 
   CGEN_CPU_OPEN_END.
894 
 
895 
   Currently supported values:
896 
   CGEN_CPU_OPEN_ISAS:    bitmap of values in enum isa_attr
897 
   CGEN_CPU_OPEN_MACHS:   bitmap of values in enum mach_attr
898 
   CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name
899 
   CGEN_CPU_OPEN_ENDIAN:  specify endian choice
900 
   CGEN_CPU_OPEN_END:     terminates arguments
901 
 
902 
   ??? Simultaneous multiple isas might not make sense, but it's not (yet)
903 
   precluded.
904 
 
905 
   ??? We only support ISO C stdargs here, not K&R.
906 
   Laziness, plus experiment to see if anything requires K&R - eventually
907 
   K&R will no longer be supported - e.g. GDB is currently trying this.  */
908 
 
909 
CGEN_CPU_DESC
910 
openrisc_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...)
911 
{
912 
  CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE));
913 
  static int init_p;
914 
  CGEN_BITSET *isas = 0;  /* 0 = "unspecified" */
915 
  unsigned int machs = 0; /* 0 = "unspecified" */
916 
  enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN;
917 
  va_list ap;
918 
 
919 
  if (! init_p)
920 
    {
921 
      init_tables ();
922 
      init_p = 1;
923 
    }
924 
 
925 
  memset (cd, 0, sizeof (*cd));
926 
 
927 
  va_start (ap, arg_type);
928 
  while (arg_type != CGEN_CPU_OPEN_END)
929 
    {
930 
      switch (arg_type)
931 
        {
932 
        case CGEN_CPU_OPEN_ISAS :
933 
          isas = va_arg (ap, CGEN_BITSET *);
934 
          break;
935 
        case CGEN_CPU_OPEN_MACHS :
936 
          machs = va_arg (ap, unsigned int);
937 
          break;
938 
        case CGEN_CPU_OPEN_BFDMACH :
939 
          {
940 
            const char *name = va_arg (ap, const char *);
941 
            const CGEN_MACH *mach =
942 
              lookup_mach_via_bfd_name (openrisc_cgen_mach_table, name);
943 
 
944 
            machs |= 1 << mach->num;
945 
            break;
946 
          }
947 
        case CGEN_CPU_OPEN_ENDIAN :
948 
          endian = va_arg (ap, enum cgen_endian);
949 
          break;
950 
        default :
951 
          fprintf (stderr, "openrisc_cgen_cpu_open: unsupported argument `%d'\n",
952 
                   arg_type);
953 
          abort (); /* ??? return NULL? */
954 
        }
955 
      arg_type = va_arg (ap, enum cgen_cpu_open_arg);
956 
    }
957 
  va_end (ap);
958 
 
959 
  /* Mach unspecified means "all".  */
960 
  if (machs == 0)
961 
    machs = (1 << MAX_MACHS) - 1;
962 
  /* Base mach is always selected.  */
963 
  machs |= 1;
964 
  if (endian == CGEN_ENDIAN_UNKNOWN)
965 
    {
966 
      /* ??? If target has only one, could have a default.  */
967 
      fprintf (stderr, "openrisc_cgen_cpu_open: no endianness specified\n");
968 
      abort ();
969 
    }
970 
 
971 
  cd->isas = cgen_bitset_copy (isas);
972 
  cd->machs = machs;
973 
  cd->endian = endian;
974 
  /* FIXME: for the sparc case we can determine insn-endianness statically.
975 
     The worry here is where both data and insn endian can be independently
976 
     chosen, in which case this function will need another argument.
977 
     Actually, will want to allow for more arguments in the future anyway.  */
978 
  cd->insn_endian = endian;
979 
 
980 
  /* Table (re)builder.  */
981 
  cd->rebuild_tables = openrisc_cgen_rebuild_tables;
982 
  openrisc_cgen_rebuild_tables (cd);
983 
 
984 
  /* Default to not allowing signed overflow.  */
985 
  cd->signed_overflow_ok_p = 0;
986 
 
987 
  return (CGEN_CPU_DESC) cd;
988 
}
989 
 
990 
/* Cover fn to openrisc_cgen_cpu_open to handle the simple case of 1 isa, 1 mach.
991 
   MACH_NAME is the bfd name of the mach.  */
992 
 
993 
CGEN_CPU_DESC
994 
openrisc_cgen_cpu_open_1 (const char *mach_name, enum cgen_endian endian)
995 
{
996 
  return openrisc_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name,
997 
                               CGEN_CPU_OPEN_ENDIAN, endian,
998 
                               CGEN_CPU_OPEN_END);
999 
}
1000 
 
1001 
/* Close a cpu table.
1002 
   ??? This can live in a machine independent file, but there's currently
1003 
   no place to put this file (there's no libcgen).  libopcodes is the wrong
1004 
   place as some simulator ports use this but they don't use libopcodes.  */
1005 
 
1006 
void
1007 
openrisc_cgen_cpu_close (CGEN_CPU_DESC cd)
1008 
{
1009 
  unsigned int i;
1010 
  const CGEN_INSN *insns;
1011 
 
1012 
  if (cd->macro_insn_table.init_entries)
1013 
    {
1014 
      insns = cd->macro_insn_table.init_entries;
1015 
      for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns)
1016 
        if (CGEN_INSN_RX ((insns)))
1017 
          regfree (CGEN_INSN_RX (insns));
1018 
    }
1019 
 
1020 
  if (cd->insn_table.init_entries)
1021 
    {
1022 
      insns = cd->insn_table.init_entries;
1023 
      for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns)
1024 
        if (CGEN_INSN_RX (insns))
1025 
          regfree (CGEN_INSN_RX (insns));
1026 
    }
1027 
 
1028 
  if (cd->macro_insn_table.init_entries)
1029 
    free ((CGEN_INSN *) cd->macro_insn_table.init_entries);
1030 
 
1031 
  if (cd->insn_table.init_entries)
1032 
    free ((CGEN_INSN *) cd->insn_table.init_entries);
1033 
 
1034 
  if (cd->hw_table.entries)
1035 
    free ((CGEN_HW_ENTRY *) cd->hw_table.entries);
1036 
 
1037 
  if (cd->operand_table.entries)
1038 
    free ((CGEN_HW_ENTRY *) cd->operand_table.entries);
1039 
 
1040 
  free (cd);
1041 
}
1042 
 

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