1 /* ppc.h -- Header file for PowerPC opcode table
2 Copyright 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
3 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4 Written by Ian Lance Taylor, Cygnus Support
6 This file is part of GDB, GAS, and the GNU binutils.
8 GDB, GAS, and the GNU binutils are free software; you can redistribute
9 them and/or modify them under the terms of the GNU General Public
10 License as published by the Free Software Foundation; either version
11 1, or (at your option) any later version.
13 GDB, GAS, and the GNU binutils are distributed in the hope that they
14 will be useful, but WITHOUT ANY WARRANTY; without even the implied
15 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
16 the GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this file; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
25 #include "bfd_stdint.h"
27 typedef uint64_t ppc_cpu_t
;
29 /* The opcode table is an array of struct powerpc_opcode. */
33 /* The opcode name. */
36 /* The opcode itself. Those bits which will be filled in with
37 operands are zeroes. */
40 /* The opcode mask. This is used by the disassembler. This is a
41 mask containing ones indicating those bits which must match the
42 opcode field, and zeroes indicating those bits which need not
43 match (and are presumably filled in by operands). */
46 /* One bit flags for the opcode. These are used to indicate which
47 specific processors support the instructions. The defined values
51 /* One bit flags for the opcode. These are used to indicate which
52 specific processors no longer support the instructions. The defined
53 values are listed below. */
56 /* An array of operand codes. Each code is an index into the
57 operand table. They appear in the order which the operands must
58 appear in assembly code, and are terminated by a zero. */
59 unsigned char operands
[8];
62 /* The table itself is sorted by major opcode number, and is otherwise
63 in the order in which the disassembler should consider
65 extern const struct powerpc_opcode powerpc_opcodes
[];
66 extern const int powerpc_num_opcodes
;
68 /* Values defined for the flags field of a struct powerpc_opcode. */
70 /* Opcode is defined for the PowerPC architecture. */
71 #define PPC_OPCODE_PPC 1
73 /* Opcode is defined for the POWER (RS/6000) architecture. */
74 #define PPC_OPCODE_POWER 2
76 /* Opcode is defined for the POWER2 (Rios 2) architecture. */
77 #define PPC_OPCODE_POWER2 4
79 /* Opcode is only defined on 32 bit architectures. */
80 #define PPC_OPCODE_32 8
82 /* Opcode is only defined on 64 bit architectures. */
83 #define PPC_OPCODE_64 0x10
85 /* Opcode is supported by the Motorola PowerPC 601 processor. The 601
86 is assumed to support all PowerPC (PPC_OPCODE_PPC) instructions,
87 but it also supports many additional POWER instructions. */
88 #define PPC_OPCODE_601 0x20
90 /* Opcode is supported in both the Power and PowerPC architectures
91 (ie, compiler's -mcpu=common or assembler's -mcom). */
92 #define PPC_OPCODE_COMMON 0x40
94 /* Opcode is supported for any Power or PowerPC platform (this is
95 for the assembler's -many option, and it eliminates duplicates). */
96 #define PPC_OPCODE_ANY 0x80
98 /* Opcode is supported as part of the 64-bit bridge. */
99 #define PPC_OPCODE_64_BRIDGE 0x100
101 /* Opcode is supported by Altivec Vector Unit */
102 #define PPC_OPCODE_ALTIVEC 0x200
104 /* Opcode is supported by PowerPC 403 processor. */
105 #define PPC_OPCODE_403 0x400
107 /* Opcode is supported by PowerPC BookE processor. */
108 #define PPC_OPCODE_BOOKE 0x800
110 /* Opcode is only supported by 64-bit PowerPC BookE processor. */
111 #define PPC_OPCODE_BOOKE64 0x1000
113 /* Opcode is supported by PowerPC 440 processor. */
114 #define PPC_OPCODE_440 0x2000
116 /* Opcode is only supported by Power4 architecture. */
117 #define PPC_OPCODE_POWER4 0x4000
119 /* Opcode is only supported by Power7 architecture. */
120 #define PPC_OPCODE_POWER7 0x8000
122 /* Opcode is only supported by POWERPC Classic architecture. */
123 #define PPC_OPCODE_CLASSIC 0x10000
125 /* Opcode is only supported by e500x2 Core. */
126 #define PPC_OPCODE_SPE 0x20000
128 /* Opcode is supported by e500x2 Integer select APU. */
129 #define PPC_OPCODE_ISEL 0x40000
131 /* Opcode is an e500 SPE floating point instruction. */
132 #define PPC_OPCODE_EFS 0x80000
134 /* Opcode is supported by branch locking APU. */
135 #define PPC_OPCODE_BRLOCK 0x100000
137 /* Opcode is supported by performance monitor APU. */
138 #define PPC_OPCODE_PMR 0x200000
140 /* Opcode is supported by cache locking APU. */
141 #define PPC_OPCODE_CACHELCK 0x400000
143 /* Opcode is supported by machine check APU. */
144 #define PPC_OPCODE_RFMCI 0x800000
146 /* Opcode is only supported by Power5 architecture. */
147 #define PPC_OPCODE_POWER5 0x1000000
149 /* Opcode is supported by PowerPC e300 family. */
150 #define PPC_OPCODE_E300 0x2000000
152 /* Opcode is only supported by Power6 architecture. */
153 #define PPC_OPCODE_POWER6 0x4000000
155 /* Opcode is only supported by PowerPC Cell family. */
156 #define PPC_OPCODE_CELL 0x8000000
158 /* Opcode is supported by CPUs with paired singles support. */
159 #define PPC_OPCODE_PPCPS 0x10000000
161 /* Opcode is supported by Power E500MC */
162 #define PPC_OPCODE_E500MC 0x20000000
164 /* Opcode is supported by PowerPC 405 processor. */
165 #define PPC_OPCODE_405 0x40000000
167 /* Opcode is supported by Vector-Scalar (VSX) Unit */
168 #define PPC_OPCODE_VSX 0x80000000
170 /* Opcode is supported by A2. */
171 #define PPC_OPCODE_A2 0x100000000ULL
173 /* Opcode is supported by PowerPC 476 processor. */
174 #define PPC_OPCODE_476 0x200000000ULL
176 /* Opcode is supported by AppliedMicro Titan core */
177 #define PPC_OPCODE_TITAN 0x400000000ULL
179 /* A macro to extract the major opcode from an instruction. */
180 #define PPC_OP(i) (((i) >> 26) & 0x3f)
182 /* The operands table is an array of struct powerpc_operand. */
184 struct powerpc_operand
186 /* A bitmask of bits in the operand. */
189 /* How far the operand is left shifted in the instruction.
190 -1 to indicate that BITM and SHIFT cannot be used to determine
191 where the operand goes in the insn. */
194 /* Insertion function. This is used by the assembler. To insert an
195 operand value into an instruction, check this field.
197 If it is NULL, execute
198 i |= (op & o->bitm) << o->shift;
199 (i is the instruction which we are filling in, o is a pointer to
200 this structure, and op is the operand value).
202 If this field is not NULL, then simply call it with the
203 instruction and the operand value. It will return the new value
204 of the instruction. If the ERRMSG argument is not NULL, then if
205 the operand value is illegal, *ERRMSG will be set to a warning
206 string (the operand will be inserted in any case). If the
207 operand value is legal, *ERRMSG will be unchanged (most operands
208 can accept any value). */
209 unsigned long (*insert
)
210 (unsigned long instruction
, long op
, ppc_cpu_t dialect
, const char **errmsg
);
212 /* Extraction function. This is used by the disassembler. To
213 extract this operand type from an instruction, check this field.
215 If it is NULL, compute
216 op = (i >> o->shift) & o->bitm;
217 if ((o->flags & PPC_OPERAND_SIGNED) != 0)
219 (i is the instruction, o is a pointer to this structure, and op
222 If this field is not NULL, then simply call it with the
223 instruction value. It will return the value of the operand. If
224 the INVALID argument is not NULL, *INVALID will be set to
225 non-zero if this operand type can not actually be extracted from
226 this operand (i.e., the instruction does not match). If the
227 operand is valid, *INVALID will not be changed. */
228 long (*extract
) (unsigned long instruction
, ppc_cpu_t dialect
, int *invalid
);
230 /* One bit syntax flags. */
234 /* Elements in the table are retrieved by indexing with values from
235 the operands field of the powerpc_opcodes table. */
237 extern const struct powerpc_operand powerpc_operands
[];
238 extern const unsigned int num_powerpc_operands
;
240 /* Values defined for the flags field of a struct powerpc_operand. */
242 /* This operand takes signed values. */
243 #define PPC_OPERAND_SIGNED (0x1)
245 /* This operand takes signed values, but also accepts a full positive
246 range of values when running in 32 bit mode. That is, if bits is
247 16, it takes any value from -0x8000 to 0xffff. In 64 bit mode,
248 this flag is ignored. */
249 #define PPC_OPERAND_SIGNOPT (0x2)
251 /* This operand does not actually exist in the assembler input. This
252 is used to support extended mnemonics such as mr, for which two
253 operands fields are identical. The assembler should call the
254 insert function with any op value. The disassembler should call
255 the extract function, ignore the return value, and check the value
256 placed in the valid argument. */
257 #define PPC_OPERAND_FAKE (0x4)
259 /* The next operand should be wrapped in parentheses rather than
260 separated from this one by a comma. This is used for the load and
261 store instructions which want their operands to look like
262 reg,displacement(reg)
264 #define PPC_OPERAND_PARENS (0x8)
266 /* This operand may use the symbolic names for the CR fields, which
268 lt 0 gt 1 eq 2 so 3 un 3
269 cr0 0 cr1 1 cr2 2 cr3 3
270 cr4 4 cr5 5 cr6 6 cr7 7
271 These may be combined arithmetically, as in cr2*4+gt. These are
272 only supported on the PowerPC, not the POWER. */
273 #define PPC_OPERAND_CR (0x10)
275 /* This operand names a register. The disassembler uses this to print
276 register names with a leading 'r'. */
277 #define PPC_OPERAND_GPR (0x20)
279 /* Like PPC_OPERAND_GPR, but don't print a leading 'r' for r0. */
280 #define PPC_OPERAND_GPR_0 (0x40)
282 /* This operand names a floating point register. The disassembler
283 prints these with a leading 'f'. */
284 #define PPC_OPERAND_FPR (0x80)
286 /* This operand is a relative branch displacement. The disassembler
287 prints these symbolically if possible. */
288 #define PPC_OPERAND_RELATIVE (0x100)
290 /* This operand is an absolute branch address. The disassembler
291 prints these symbolically if possible. */
292 #define PPC_OPERAND_ABSOLUTE (0x200)
294 /* This operand is optional, and is zero if omitted. This is used for
295 example, in the optional BF field in the comparison instructions. The
296 assembler must count the number of operands remaining on the line,
297 and the number of operands remaining for the opcode, and decide
298 whether this operand is present or not. The disassembler should
299 print this operand out only if it is not zero. */
300 #define PPC_OPERAND_OPTIONAL (0x400)
302 /* This flag is only used with PPC_OPERAND_OPTIONAL. If this operand
303 is omitted, then for the next operand use this operand value plus
304 1, ignoring the next operand field for the opcode. This wretched
305 hack is needed because the Power rotate instructions can take
306 either 4 or 5 operands. The disassembler should print this operand
307 out regardless of the PPC_OPERAND_OPTIONAL field. */
308 #define PPC_OPERAND_NEXT (0x800)
310 /* This operand should be regarded as a negative number for the
311 purposes of overflow checking (i.e., the normal most negative
312 number is disallowed and one more than the normal most positive
313 number is allowed). This flag will only be set for a signed
315 #define PPC_OPERAND_NEGATIVE (0x1000)
317 /* This operand names a vector unit register. The disassembler
318 prints these with a leading 'v'. */
319 #define PPC_OPERAND_VR (0x2000)
321 /* This operand is for the DS field in a DS form instruction. */
322 #define PPC_OPERAND_DS (0x4000)
324 /* This operand is for the DQ field in a DQ form instruction. */
325 #define PPC_OPERAND_DQ (0x8000)
327 /* Valid range of operand is 0..n rather than 0..n-1. */
328 #define PPC_OPERAND_PLUS1 (0x10000)
330 /* Xilinx APU and FSL related operands */
331 #define PPC_OPERAND_FSL (0x20000)
332 #define PPC_OPERAND_FCR (0x40000)
333 #define PPC_OPERAND_UDI (0x80000)
335 /* This operand names a vector-scalar unit register. The disassembler
336 prints these with a leading 'vs'. */
337 #define PPC_OPERAND_VSR (0x100000)
339 /* The POWER and PowerPC assemblers use a few macros. We keep them
340 with the operands table for simplicity. The macro table is an
341 array of struct powerpc_macro. */
345 /* The macro name. */
348 /* The number of operands the macro takes. */
349 unsigned int operands
;
351 /* One bit flags for the opcode. These are used to indicate which
352 specific processors support the instructions. The values are the
353 same as those for the struct powerpc_opcode flags field. */
356 /* A format string to turn the macro into a normal instruction.
357 Each %N in the string is replaced with operand number N (zero
362 extern const struct powerpc_macro powerpc_macros
[];
363 extern const int powerpc_num_macros
;
365 extern ppc_cpu_t
ppc_parse_cpu (ppc_cpu_t
, const char *);