1 /* ppc.h -- Header file for PowerPC opcode table
2 Copyright (C) 1994-2019 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor, Cygnus Support
5 This file is part of GDB, GAS, and the GNU binutils.
7 GDB, GAS, and the GNU binutils are free software; you can redistribute
8 them and/or modify them under the terms of the GNU General Public
9 License as published by the Free Software Foundation; either version 3,
10 or (at your option) any later version.
12 GDB, GAS, and the GNU binutils are distributed in the hope that they
13 will be useful, but WITHOUT ANY WARRANTY; without even the implied
14 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15 the GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this file; see the file COPYING3. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
25 #include "bfd_stdint.h"
31 typedef uint64_t ppc_cpu_t
;
33 /* The opcode table is an array of struct powerpc_opcode. */
37 /* The opcode name. */
40 /* The opcode itself. Those bits which will be filled in with
41 operands are zeroes. */
44 /* The opcode mask. This is used by the disassembler. This is a
45 mask containing ones indicating those bits which must match the
46 opcode field, and zeroes indicating those bits which need not
47 match (and are presumably filled in by operands). */
50 /* One bit flags for the opcode. These are used to indicate which
51 specific processors support the instructions. The defined values
55 /* One bit flags for the opcode. These are used to indicate which
56 specific processors no longer support the instructions. The defined
57 values are listed below. */
60 /* An array of operand codes. Each code is an index into the
61 operand table. They appear in the order which the operands must
62 appear in assembly code, and are terminated by a zero. */
63 unsigned char operands
[8];
66 /* The table itself is sorted by major opcode number, and is otherwise
67 in the order in which the disassembler should consider
69 extern const struct powerpc_opcode powerpc_opcodes
[];
70 extern const unsigned int powerpc_num_opcodes
;
71 extern const struct powerpc_opcode vle_opcodes
[];
72 extern const unsigned int vle_num_opcodes
;
73 extern const struct powerpc_opcode spe2_opcodes
[];
74 extern const unsigned int spe2_num_opcodes
;
76 /* Values defined for the flags field of a struct powerpc_opcode. */
78 /* Opcode is defined for the PowerPC architecture. */
79 #define PPC_OPCODE_PPC 0x1ull
81 /* Opcode is defined for the POWER (RS/6000) architecture. */
82 #define PPC_OPCODE_POWER 0x2ull
84 /* Opcode is defined for the POWER2 (Rios 2) architecture. */
85 #define PPC_OPCODE_POWER2 0x4ull
87 /* Opcode is only defined on 64 bit architectures. */
88 #define PPC_OPCODE_64 0x8ull
90 /* Opcode is supported by the Motorola PowerPC 601 processor. The 601
91 is assumed to support all PowerPC (PPC_OPCODE_PPC) instructions,
92 but it also supports many additional POWER instructions. */
93 #define PPC_OPCODE_601 0x10ull
95 /* Opcode is supported in both the Power and PowerPC architectures
96 (ie, compiler's -mcpu=common or assembler's -mcom). More than just
97 the intersection of PPC_OPCODE_PPC with the union of PPC_OPCODE_POWER
98 and PPC_OPCODE_POWER2 because many instructions changed mnemonics
99 between POWER and POWERPC. */
100 #define PPC_OPCODE_COMMON 0x20ull
102 /* Opcode is supported for any Power or PowerPC platform (this is
103 for the assembler's -many option, and it eliminates duplicates). */
104 #define PPC_OPCODE_ANY 0x40ull
106 /* Opcode is supported as part of the 64-bit bridge. */
107 #define PPC_OPCODE_64_BRIDGE 0x80ull
109 /* Opcode is supported by Altivec Vector Unit */
110 #define PPC_OPCODE_ALTIVEC 0x100ull
112 /* Opcode is supported by PowerPC 403 processor. */
113 #define PPC_OPCODE_403 0x200ull
115 /* Opcode is supported by PowerPC BookE processor. */
116 #define PPC_OPCODE_BOOKE 0x400ull
118 /* Opcode is only supported by Power4 architecture. */
119 #define PPC_OPCODE_POWER4 0x800ull
121 /* Opcode is only supported by e500x2 Core.
122 This bit, PPC_OPCODE_EFS, PPC_OPCODE_VLE, and all those with APU in
123 their comment mark opcodes so that when those instructions are used
124 an APUinfo entry can be generated. */
125 #define PPC_OPCODE_SPE 0x1000ull
127 /* Opcode is supported by Integer select APU. */
128 #define PPC_OPCODE_ISEL 0x2000ull
130 /* Opcode is an e500 SPE floating point instruction. */
131 #define PPC_OPCODE_EFS 0x4000ull
133 /* Opcode is supported by branch locking APU. */
134 #define PPC_OPCODE_BRLOCK 0x8000ull
136 /* Opcode is supported by performance monitor APU. */
137 #define PPC_OPCODE_PMR 0x10000ull
139 /* Opcode is supported by cache locking APU. */
140 #define PPC_OPCODE_CACHELCK 0x20000ull
142 /* Opcode is supported by machine check APU. */
143 #define PPC_OPCODE_RFMCI 0x40000ull
145 /* Opcode is supported by PowerPC 440 processor. */
146 #define PPC_OPCODE_440 0x80000ull
148 /* Opcode is only supported by Power5 architecture. */
149 #define PPC_OPCODE_POWER5 0x100000ull
151 /* Opcode is supported by PowerPC e300 family. */
152 #define PPC_OPCODE_E300 0x200000ull
154 /* Opcode is only supported by Power6 architecture. */
155 #define PPC_OPCODE_POWER6 0x400000ull
157 /* Opcode is only supported by PowerPC Cell family. */
158 #define PPC_OPCODE_CELL 0x800000ull
160 /* Opcode is supported by CPUs with paired singles support. */
161 #define PPC_OPCODE_PPCPS 0x1000000ull
163 /* Opcode is supported by Power E500MC */
164 #define PPC_OPCODE_E500MC 0x2000000ull
166 /* Opcode is supported by PowerPC 405 processor. */
167 #define PPC_OPCODE_405 0x4000000ull
169 /* Opcode is supported by Vector-Scalar (VSX) Unit */
170 #define PPC_OPCODE_VSX 0x8000000ull
172 /* Opcode is only supported by Power7 architecture. */
173 #define PPC_OPCODE_POWER7 0x10000000ull
175 /* Opcode is supported by A2. */
176 #define PPC_OPCODE_A2 0x20000000ull
178 /* Opcode is supported by PowerPC 476 processor. */
179 #define PPC_OPCODE_476 0x40000000ull
181 /* Opcode is supported by AppliedMicro Titan core */
182 #define PPC_OPCODE_TITAN 0x80000000ull
184 /* Opcode which is supported by the e500 family */
185 #define PPC_OPCODE_E500 0x100000000ull
187 /* Opcode is supported by Power E6500 */
188 #define PPC_OPCODE_E6500 0x200000000ull
190 /* Opcode is supported by Thread management APU */
191 #define PPC_OPCODE_TMR 0x400000000ull
193 /* Opcode which is supported by the VLE extension. */
194 #define PPC_OPCODE_VLE 0x800000000ull
196 /* Opcode is only supported by Power8 architecture. */
197 #define PPC_OPCODE_POWER8 0x1000000000ull
199 /* Opcode is supported by ppc750cl/Gekko/Broadway. */
200 #define PPC_OPCODE_750 0x2000000000ull
202 /* Opcode is supported by ppc7450. */
203 #define PPC_OPCODE_7450 0x4000000000ull
205 /* Opcode is supported by ppc821/850/860. */
206 #define PPC_OPCODE_860 0x8000000000ull
208 /* Opcode is only supported by Power9 architecture. */
209 #define PPC_OPCODE_POWER9 0x10000000000ull
211 /* Opcode is supported by e200z4. */
212 #define PPC_OPCODE_E200Z4 0x20000000000ull
214 /* Disassemble to instructions matching later in the opcode table
215 with fewer "mask" bits set rather than the earlist match. Fewer
216 "mask" bits set imply a more general form of the opcode, in fact
217 the underlying machine instruction. */
218 #define PPC_OPCODE_RAW 0x40000000000ull
220 /* Opcode is supported by PowerPC LSP */
221 #define PPC_OPCODE_LSP 0x80000000000ull
223 /* Opcode is only supported by Freescale SPE2 APU. */
224 #define PPC_OPCODE_SPE2 0x100000000000ull
226 /* Opcode is supported by EFS2. */
227 #define PPC_OPCODE_EFS2 0x200000000000ull
229 /* A macro to extract the major opcode from an instruction. */
230 #define PPC_OP(i) (((i) >> 26) & 0x3f)
232 /* A macro to determine if the instruction is a 2-byte VLE insn. */
233 #define PPC_OP_SE_VLE(m) ((m) <= 0xffff)
235 /* A macro to extract the major opcode from a VLE instruction. */
236 #define VLE_OP(i,m) (((i) >> ((m) <= 0xffff ? 10 : 26)) & 0x3f)
238 /* A macro to convert a VLE opcode to a VLE opcode segment. */
239 #define VLE_OP_TO_SEG(i) ((i) >> 1)
241 /* A macro to extract the extended opcode from a SPE2 instruction. */
242 #define SPE2_XOP(i) ((i) & 0x7ff)
244 /* A macro to convert a SPE2 extended opcode to a SPE2 xopcode segment. */
245 #define SPE2_XOP_TO_SEG(i) ((i) >> 7)
247 /* The operands table is an array of struct powerpc_operand. */
249 struct powerpc_operand
251 /* A bitmask of bits in the operand. */
254 /* The shift operation to be applied to the operand. No shift
255 is made if this is zero. For positive values, the operand
256 is shifted left by SHIFT. For negative values, the operand
257 is shifted right by -SHIFT. Use PPC_OPSHIFT_INV to indicate
258 that BITM and SHIFT cannot be used to determine where the
259 operand goes in the insn. */
262 /* Insertion function. This is used by the assembler. To insert an
263 operand value into an instruction, check this field.
265 If it is NULL, execute
267 i |= (op & o->bitm) << o->shift;
269 i |= (op & o->bitm) >> -o->shift;
270 (i is the instruction which we are filling in, o is a pointer to
271 this structure, and op is the operand value).
273 If this field is not NULL, then simply call it with the
274 instruction and the operand value. It will return the new value
275 of the instruction. If the operand value is illegal, *ERRMSG
276 will be set to a warning string (the operand will be inserted in
277 any case). If the operand value is legal, *ERRMSG will be
278 unchanged (most operands can accept any value). */
280 (uint64_t instruction
, int64_t op
, ppc_cpu_t dialect
, const char **errmsg
);
282 /* Extraction function. This is used by the disassembler. To
283 extract this operand type from an instruction, check this field.
285 If it is NULL, compute
287 op = (i >> o->shift) & o->bitm;
289 op = (i << -o->shift) & o->bitm;
290 if ((o->flags & PPC_OPERAND_SIGNED) != 0)
292 (i is the instruction, o is a pointer to this structure, and op
295 If this field is not NULL, then simply call it with the
296 instruction value. It will return the value of the operand.
297 *INVALID will be set to one by the extraction function if this
298 operand type can not be extracted from this operand (i.e., the
299 instruction does not match). If the operand is valid, *INVALID
300 will not be changed. *INVALID will always be non-negative when
301 used to extract a field from an instruction.
303 The extraction function is also called by both the assembler and
304 disassembler if an operand is optional, in which case the
305 function should return the default value of the operand.
306 *INVALID is negative in this case, and is the negative count of
307 omitted optional operands up to and including this operand. */
308 int64_t (*extract
) (uint64_t instruction
, ppc_cpu_t dialect
, int *invalid
);
310 /* One bit syntax flags. */
314 /* Elements in the table are retrieved by indexing with values from
315 the operands field of the powerpc_opcodes table. */
317 extern const struct powerpc_operand powerpc_operands
[];
318 extern const unsigned int num_powerpc_operands
;
320 /* Use with the shift field of a struct powerpc_operand to indicate
321 that BITM and SHIFT cannot be used to determine where the operand
323 #define PPC_OPSHIFT_INV (-1U << 31)
325 /* Values defined for the flags field of a struct powerpc_operand.
326 Keep the register bits low: They need to fit in an unsigned short. */
328 /* This operand names a register. The disassembler uses this to print
329 register names with a leading 'r'. */
330 #define PPC_OPERAND_GPR (0x1)
332 /* Like PPC_OPERAND_GPR, but don't print a leading 'r' for r0. */
333 #define PPC_OPERAND_GPR_0 (0x2)
335 /* This operand names a floating point register. The disassembler
336 prints these with a leading 'f'. */
337 #define PPC_OPERAND_FPR (0x4)
339 /* This operand names a vector unit register. The disassembler
340 prints these with a leading 'v'. */
341 #define PPC_OPERAND_VR (0x8)
343 /* This operand names a vector-scalar unit register. The disassembler
344 prints these with a leading 'vs'. */
345 #define PPC_OPERAND_VSR (0x10)
347 /* This operand may use the symbolic names for the CR fields (even
348 without -mregnames), which are
349 lt 0 gt 1 eq 2 so 3 un 3
350 cr0 0 cr1 1 cr2 2 cr3 3
351 cr4 4 cr5 5 cr6 6 cr7 7
352 These may be combined arithmetically, as in cr2*4+gt. These are
353 only supported on the PowerPC, not the POWER. */
354 #define PPC_OPERAND_CR_BIT (0x20)
356 /* This is a CR FIELD that does not use symbolic names (unless
357 -mregnames is in effect). */
358 #define PPC_OPERAND_CR_REG (0x40)
360 /* This operand names a special purpose register. */
361 #define PPC_OPERAND_SPR (0x80)
363 /* This operand names a paired-single graphics quantization register. */
364 #define PPC_OPERAND_GQR (0x100)
366 /* This operand is a relative branch displacement. The disassembler
367 prints these symbolically if possible. */
368 #define PPC_OPERAND_RELATIVE (0x200)
370 /* This operand is an absolute branch address. The disassembler
371 prints these symbolically if possible. */
372 #define PPC_OPERAND_ABSOLUTE (0x400)
374 /* This operand takes signed values. */
375 #define PPC_OPERAND_SIGNED (0x800)
377 /* This operand takes signed values, but also accepts a full positive
378 range of values when running in 32 bit mode. That is, if bits is
379 16, it takes any value from -0x8000 to 0xffff. In 64 bit mode,
380 this flag is ignored. */
381 #define PPC_OPERAND_SIGNOPT (0x1000)
383 /* The next operand should be wrapped in parentheses rather than
384 separated from this one by a comma. This is used for the load and
385 store instructions which want their operands to look like
386 reg,displacement(reg)
388 #define PPC_OPERAND_PARENS (0x2000)
390 /* This operand is for the DS field in a DS form instruction. */
391 #define PPC_OPERAND_DS (0x4000)
393 /* This operand is for the DQ field in a DQ form instruction. */
394 #define PPC_OPERAND_DQ (0x8000)
396 /* This operand should be regarded as a negative number for the
397 purposes of overflow checking (i.e., the normal most negative
398 number is disallowed and one more than the normal most positive
399 number is allowed). This flag will only be set for a signed
401 #define PPC_OPERAND_NEGATIVE (0x10000)
403 /* Valid range of operand is 0..n rather than 0..n-1. */
404 #define PPC_OPERAND_PLUS1 (0x20000)
406 /* This operand is optional, and is zero if omitted. This is used for
407 example, in the optional BF field in the comparison instructions. The
408 assembler must count the number of operands remaining on the line,
409 and the number of operands remaining for the opcode, and decide
410 whether this operand is present or not. The disassembler should
411 print this operand out only if it is not zero. */
412 #define PPC_OPERAND_OPTIONAL (0x80000)
414 /* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand
415 is omitted, then for the next operand use this operand value plus
416 1, ignoring the next operand field for the opcode. This wretched
417 hack is needed because the Power rotate instructions can take
418 either 4 or 5 operands. The disassembler should print this operand
419 out regardless of the PPC_OPERAND_OPTIONAL field. */
420 #define PPC_OPERAND_NEXT (0x100000)
422 /* This flag is only used with PPC_OPERAND_OPTIONAL. The operand is
423 only optional when generating 32-bit code. */
424 #define PPC_OPERAND_OPTIONAL32 (0x400000)
426 /* Xilinx APU and FSL related operands */
427 #define PPC_OPERAND_FSL (0x800000)
428 #define PPC_OPERAND_FCR (0x1000000)
429 #define PPC_OPERAND_UDI (0x2000000)
431 /* The POWER and PowerPC assemblers use a few macros. We keep them
432 with the operands table for simplicity. The macro table is an
433 array of struct powerpc_macro. */
437 /* The macro name. */
440 /* The number of operands the macro takes. */
441 unsigned int operands
;
443 /* One bit flags for the opcode. These are used to indicate which
444 specific processors support the instructions. The values are the
445 same as those for the struct powerpc_opcode flags field. */
448 /* A format string to turn the macro into a normal instruction.
449 Each %N in the string is replaced with operand number N (zero
454 extern const struct powerpc_macro powerpc_macros
[];
455 extern const int powerpc_num_macros
;
457 extern ppc_cpu_t
ppc_parse_cpu (ppc_cpu_t
, ppc_cpu_t
*, const char *);
459 static inline int64_t
460 ppc_optional_operand_value (const struct powerpc_operand
*operand
,
465 if (operand
->extract
)
466 return (*operand
->extract
) (insn
, dialect
, &num_optional
);
470 /* PowerPC VLE insns. */
471 #define E_OPCODE_MASK 0xfc00f800
473 /* Form I16L, uses 16A relocs. */
474 #define E_OR2I_INSN 0x7000C000
475 #define E_AND2I_DOT_INSN 0x7000C800
476 #define E_OR2IS_INSN 0x7000D000
477 #define E_LIS_INSN 0x7000E000
478 #define E_AND2IS_DOT_INSN 0x7000E800
480 /* Form I16A, uses 16D relocs. */
481 #define E_ADD2I_DOT_INSN 0x70008800
482 #define E_ADD2IS_INSN 0x70009000
483 #define E_CMP16I_INSN 0x70009800
484 #define E_MULL2I_INSN 0x7000A000
485 #define E_CMPL16I_INSN 0x7000A800
486 #define E_CMPH16I_INSN 0x7000B000
487 #define E_CMPHL16I_INSN 0x7000B800
489 #define E_LI_INSN 0x70000000
490 #define E_LI_MASK 0xfc008000