1 /* ia64.h -- Header file for ia64 opcode table
2 Copyright (C) 1998, 1999, 2000, 2002, 2005, 2006, 2010
3 Free Software Foundation, Inc.
4 Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
6 This file is part of BFD, the Binary File Descriptor library.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software Foundation,
20 Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
25 #include <sys/types.h>
30 typedef BFD_HOST_U_64_BIT ia64_insn;
34 IA64_TYPE_NIL = 0, /* illegal type */
35 IA64_TYPE_A, /* integer alu (I- or M-unit) */
36 IA64_TYPE_I, /* non-alu integer (I-unit) */
37 IA64_TYPE_M, /* memory (M-unit) */
38 IA64_TYPE_B, /* branch (B-unit) */
39 IA64_TYPE_F, /* floating-point (F-unit) */
40 IA64_TYPE_X, /* long encoding (X-unit) */
41 IA64_TYPE_DYN, /* Dynamic opcode */
47 IA64_UNIT_NIL = 0, /* illegal unit */
48 IA64_UNIT_I, /* integer unit */
49 IA64_UNIT_M, /* memory unit */
50 IA64_UNIT_B, /* branching unit */
51 IA64_UNIT_F, /* floating-point unit */
52 IA64_UNIT_L, /* long "unit" */
53 IA64_UNIT_X, /* may be integer or branch unit */
57 /* Changes to this enumeration must be propagated to the operand table in
62 IA64_OPND_NIL, /* no operand---MUST BE FIRST!*/
65 IA64_OPND_AR_CSD, /* application register csd (ar.csd) */
66 IA64_OPND_AR_CCV, /* application register ccv (ar.ccv) */
67 IA64_OPND_AR_PFS, /* application register pfs (ar.pfs) */
68 IA64_OPND_C1, /* the constant 1 */
69 IA64_OPND_C8, /* the constant 8 */
70 IA64_OPND_C16, /* the constant 16 */
71 IA64_OPND_GR0, /* gr0 */
72 IA64_OPND_IP, /* instruction pointer (ip) */
73 IA64_OPND_PR, /* predicate register (pr) */
74 IA64_OPND_PR_ROT, /* rotating predicate register (pr.rot) */
75 IA64_OPND_PSR, /* processor status register (psr) */
76 IA64_OPND_PSR_L, /* processor status register L (psr.l) */
77 IA64_OPND_PSR_UM, /* processor status register UM (psr.um) */
79 /* register operands: */
80 IA64_OPND_AR3, /* third application register # (bits 20-26) */
81 IA64_OPND_B1, /* branch register # (bits 6-8) */
82 IA64_OPND_B2, /* branch register # (bits 13-15) */
83 IA64_OPND_CR3, /* third control register # (bits 20-26) */
84 IA64_OPND_F1, /* first floating-point register # */
85 IA64_OPND_F2, /* second floating-point register # */
86 IA64_OPND_F3, /* third floating-point register # */
87 IA64_OPND_F4, /* fourth floating-point register # */
88 IA64_OPND_P1, /* first predicate # */
89 IA64_OPND_P2, /* second predicate # */
90 IA64_OPND_R1, /* first register # */
91 IA64_OPND_R2, /* second register # */
92 IA64_OPND_R3, /* third register # */
93 IA64_OPND_R3_2, /* third register # (limited to gr0-gr3) */
95 /* memory operands: */
96 IA64_OPND_MR3, /* memory at addr of third register # */
98 /* indirect operands: */
99 IA64_OPND_CPUID_R3, /* cpuid[reg] */
100 IA64_OPND_DBR_R3, /* dbr[reg] */
101 IA64_OPND_DTR_R3, /* dtr[reg] */
102 IA64_OPND_ITR_R3, /* itr[reg] */
103 IA64_OPND_IBR_R3, /* ibr[reg] */
104 IA64_OPND_MSR_R3, /* msr[reg] */
105 IA64_OPND_PKR_R3, /* pkr[reg] */
106 IA64_OPND_PMC_R3, /* pmc[reg] */
107 IA64_OPND_PMD_R3, /* pmd[reg] */
108 IA64_OPND_RR_R3, /* rr[reg] */
110 /* immediate operands: */
111 IA64_OPND_CCNT5, /* 5-bit count (31 - bits 20-24) */
112 IA64_OPND_CNT2a, /* 2-bit count (1 + bits 27-28) */
113 IA64_OPND_CNT2b, /* 2-bit count (bits 27-28): 1, 2, 3 */
114 IA64_OPND_CNT2c, /* 2-bit count (bits 30-31): 0, 7, 15, or 16 */
115 IA64_OPND_CNT5, /* 5-bit count (bits 14-18) */
116 IA64_OPND_CNT6, /* 6-bit count (bits 27-32) */
117 IA64_OPND_CPOS6a, /* 6-bit count (63 - bits 20-25) */
118 IA64_OPND_CPOS6b, /* 6-bit count (63 - bits 14-19) */
119 IA64_OPND_CPOS6c, /* 6-bit count (63 - bits 31-36) */
120 IA64_OPND_IMM1, /* signed 1-bit immediate (bit 36) */
121 IA64_OPND_IMMU2, /* unsigned 2-bit immediate (bits 13-14) */
122 IA64_OPND_IMMU5b, /* unsigned 5-bit immediate (32 + bits 14-18) */
123 IA64_OPND_IMMU7a, /* unsigned 7-bit immediate (bits 13-19) */
124 IA64_OPND_IMMU7b, /* unsigned 7-bit immediate (bits 20-26) */
125 IA64_OPND_SOF, /* 8-bit stack frame size */
126 IA64_OPND_SOL, /* 8-bit size of locals */
127 IA64_OPND_SOR, /* 6-bit number of rotating registers (scaled by 8) */
128 IA64_OPND_IMM8, /* signed 8-bit immediate (bits 13-19 & 36) */
129 IA64_OPND_IMM8U4, /* cmp4*u signed 8-bit immediate (bits 13-19 & 36) */
130 IA64_OPND_IMM8M1, /* signed 8-bit immediate -1 (bits 13-19 & 36) */
131 IA64_OPND_IMM8M1U4, /* cmp4*u signed 8-bit immediate -1 (bits 13-19 & 36)*/
132 IA64_OPND_IMM8M1U8, /* cmp*u signed 8-bit immediate -1 (bits 13-19 & 36) */
133 IA64_OPND_IMMU9, /* unsigned 9-bit immediate (bits 33-34, 20-26) */
134 IA64_OPND_IMM9a, /* signed 9-bit immediate (bits 6-12, 27, 36) */
135 IA64_OPND_IMM9b, /* signed 9-bit immediate (bits 13-19, 27, 36) */
136 IA64_OPND_IMM14, /* signed 14-bit immediate (bits 13-19, 27-32, 36) */
137 IA64_OPND_IMM17, /* signed 17-bit immediate (2*bits 6-12, 24-31, 36) */
138 IA64_OPND_IMMU21, /* unsigned 21-bit immediate (bits 6-25, 36) */
139 IA64_OPND_IMM22, /* signed 22-bit immediate (bits 13-19, 22-36) */
140 IA64_OPND_IMMU24, /* unsigned 24-bit immediate (bits 6-26, 31-32, 36) */
141 IA64_OPND_IMM44, /* signed 44-bit immediate (2^16*bits 6-32, 36) */
142 IA64_OPND_IMMU62, /* unsigned 62-bit immediate */
143 IA64_OPND_IMMU64, /* unsigned 64-bit immediate (lotsa bits...) */
144 IA64_OPND_INC3, /* signed 3-bit (bits 13-15): +/-1, 4, 8, 16 */
145 IA64_OPND_LEN4, /* 4-bit count (bits 27-30 + 1) */
146 IA64_OPND_LEN6, /* 6-bit count (bits 27-32 + 1) */
147 IA64_OPND_MBTYPE4, /* 4-bit mux type (bits 20-23) */
148 IA64_OPND_MHTYPE8, /* 8-bit mux type (bits 20-27) */
149 IA64_OPND_POS6, /* 6-bit count (bits 14-19) */
150 IA64_OPND_TAG13, /* signed 13-bit tag (ip + 16*bits 6-12, 33-34) */
151 IA64_OPND_TAG13b, /* signed 13-bit tag (ip + 16*bits 24-32) */
152 IA64_OPND_TGT25, /* signed 25-bit (ip + 16*bits 6-25, 36) */
153 IA64_OPND_TGT25b, /* signed 25-bit (ip + 16*bits 6-12, 20-32, 36) */
154 IA64_OPND_TGT25c, /* signed 25-bit (ip + 16*bits 13-32, 36) */
155 IA64_OPND_TGT64, /* 64-bit (ip + 16*bits 13-32, 36, 2-40(L)) */
156 IA64_OPND_LDXMOV, /* any symbol, generates R_IA64_LDXMOV. */
158 IA64_OPND_COUNT /* # of operand types (MUST BE LAST!) */
161 enum ia64_dependency_mode
168 enum ia64_dependency_semantics
180 enum ia64_resource_specifier
185 IA64_RS_AR, /* 8-15, 20, 22-23, 31, 33-35, 37-39, 41-43, 45-47, 67-111 */
186 IA64_RS_ARb, /* 48-63, 112-127 */
193 IA64_RS_CR, /* 3-7,10-15,18,28-63,75-79,82-127 */
200 IA64_RS_INSERVICE, /* CR[EOI] or CR[IVR] */
205 IA64_RS_PR, /* non-rotating, 1-15 */
206 IA64_RS_PRr, /* rotating, 16-62 */
210 IA64_RS_ARX, /* ARs not in RS_AR or RS_ARb */
211 IA64_RS_CRX, /* CRs not in RS_CR */
212 IA64_RS_PSR, /* PSR bits */
213 IA64_RS_RSE, /* implementation-specific RSE resources */
217 enum ia64_rse_resource
219 IA64_RSE_N_STACKED_PHYS,
224 IA64_RSE_RNATBITINDEX,
229 /* Information about a given resource dependency */
230 struct ia64_dependency
232 /* Name of the resource */
234 /* Does this dependency need further specification? */
235 enum ia64_resource_specifier specifier;
236 /* Mode of dependency */
237 enum ia64_dependency_mode mode;
238 /* Dependency semantics */
239 enum ia64_dependency_semantics semantics;
240 /* Register index, if applicable (distinguishes AR, CR, and PSR deps) */
241 #define REG_NONE (-1)
243 /* Special info on semantics */
247 /* Two arrays of indexes into the ia64_dependency table.
248 chks are dependencies to check for conflicts when an opcode is
249 encountered; regs are dependencies to register (mark as used) when an
250 opcode is used. chks correspond to readers (RAW) or writers (WAW or
251 WAR) of a resource, while regs correspond to writers (RAW or WAW) and
252 readers (WAR) of a resource. */
253 struct ia64_opcode_dependency
256 const unsigned short *chks;
258 const unsigned short *regs;
261 /* encode/extract the note/index for a dependency */
262 #define RDEP(N,X) (((N)<<11)|(X))
263 #define NOTE(X) (((X)>>11)&0x1F)
264 #define DEP(X) ((X)&0x7FF)
266 /* A template descriptor describes the execution units that are active
267 for each of the three slots. It also specifies the location of
268 instruction group boundaries that may be present between two slots. */
269 struct ia64_templ_desc
271 int group_boundary; /* 0=no boundary, 1=between slot 0 & 1, etc. */
272 enum ia64_unit exec_unit[3];
276 /* The opcode table is an array of struct ia64_opcode. */
280 /* The opcode name. */
283 /* The type of the instruction: */
284 enum ia64_insn_type type;
286 /* Number of output operands: */
289 /* The opcode itself. Those bits which will be filled in with
290 operands are zeroes. */
293 /* The opcode mask. This is used by the disassembler. This is a
294 mask containing ones indicating those bits which must match the
295 opcode field, and zeroes indicating those bits which need not
296 match (and are presumably filled in by operands). */
299 /* An array of operand codes. Each code is an index into the
300 operand table. They appear in the order which the operands must
301 appear in assembly code, and are terminated by a zero. */
302 enum ia64_opnd operands[5];
304 /* One bit flags for the opcode. These are primarily used to
305 indicate specific processors and environments support the
306 instructions. The defined values are listed below. */
309 /* Used by ia64_find_next_opcode (). */
312 /* Opcode dependencies. */
313 const struct ia64_opcode_dependency *dependencies;
316 /* Values defined for the flags field of a struct ia64_opcode. */
318 #define IA64_OPCODE_FIRST (1<<0) /* must be first in an insn group */
319 #define IA64_OPCODE_X_IN_MLX (1<<1) /* insn is allowed in X slot of MLX */
320 #define IA64_OPCODE_LAST (1<<2) /* must be last in an insn group */
321 #define IA64_OPCODE_PRIV (1<<3) /* privileged instruct */
322 #define IA64_OPCODE_SLOT2 (1<<4) /* insn allowed in slot 2 only */
323 #define IA64_OPCODE_NO_PRED (1<<5) /* insn cannot be predicated */
324 #define IA64_OPCODE_PSEUDO (1<<6) /* insn is a pseudo-op */
325 #define IA64_OPCODE_F2_EQ_F3 (1<<7) /* constraint: F2 == F3 */
326 #define IA64_OPCODE_LEN_EQ_64MCNT (1<<8) /* constraint: LEN == 64-CNT */
327 #define IA64_OPCODE_MOD_RRBS (1<<9) /* modifies all rrbs in CFM */
328 #define IA64_OPCODE_POSTINC (1<<10) /* postincrement MR3 operand */
330 /* A macro to extract the major opcode from an instruction. */
331 #define IA64_OP(i) (((i) >> 37) & 0xf)
333 enum ia64_operand_class
335 IA64_OPND_CLASS_CST, /* constant */
336 IA64_OPND_CLASS_REG, /* register */
337 IA64_OPND_CLASS_IND, /* indirect register */
338 IA64_OPND_CLASS_ABS, /* absolute value */
339 IA64_OPND_CLASS_REL, /* IP-relative value */
342 /* The operands table is an array of struct ia64_operand. */
346 enum ia64_operand_class op_class;
348 /* Set VALUE as the operand bits for the operand of type SELF in the
349 instruction pointed to by CODE. If an error occurs, *CODE is not
350 modified and the returned string describes the cause of the
351 error. If no error occurs, NULL is returned. */
352 const char *(*insert) (const struct ia64_operand *self, ia64_insn value,
355 /* Extract the operand bits for an operand of type SELF from
356 instruction CODE store them in *VALUE. If an error occurs, the
357 cause of the error is described by the string returned. If no
358 error occurs, NULL is returned. */
359 const char *(*extract) (const struct ia64_operand *self, ia64_insn code,
362 /* A string whose meaning depends on the operand class. */
368 /* The number of bits in the operand. */
371 /* How far the operand is left shifted in the instruction. */
374 field[4]; /* no operand has more than this many bit-fields */
378 const char *desc; /* brief description */
381 /* Values defined for the flags field of a struct ia64_operand. */
383 /* Disassemble as signed decimal (instead of hex): */
384 #define IA64_OPND_FLAG_DECIMAL_SIGNED (1<<0)
385 /* Disassemble as unsigned decimal (instead of hex): */
386 #define IA64_OPND_FLAG_DECIMAL_UNSIGNED (1<<1)
388 extern const struct ia64_templ_desc ia64_templ_desc[16];
390 /* The tables are sorted by major opcode number and are otherwise in
391 the order in which the disassembler should consider instructions. */
392 extern struct ia64_opcode ia64_opcodes_a[];
393 extern struct ia64_opcode ia64_opcodes_i[];
394 extern struct ia64_opcode ia64_opcodes_m[];
395 extern struct ia64_opcode ia64_opcodes_b[];
396 extern struct ia64_opcode ia64_opcodes_f[];
397 extern struct ia64_opcode ia64_opcodes_d[];
400 extern struct ia64_opcode *ia64_find_opcode (const char *);
401 extern struct ia64_opcode *ia64_find_next_opcode (struct ia64_opcode *);
403 extern struct ia64_opcode *ia64_dis_opcode (ia64_insn,
404 enum ia64_insn_type);
406 extern void ia64_free_opcode (struct ia64_opcode *);
407 extern const struct ia64_dependency *ia64_find_dependency (int);
409 /* To avoid circular library dependencies, this array is implemented
410 in bfd/cpu-ia64-opc.c: */
411 extern const struct ia64_operand elf64_ia64_operands[IA64_OPND_COUNT];
413 #endif /* opcode_ia64_h */