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252b5132 | 1 | /* Definitions for opcode table for the sparc. |
8cf3f354 | 2 | Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000, 2002, |
9e8c70f9 | 3 | 2003, 2005, 2010, 2011 Free Software Foundation, Inc. |
252b5132 | 4 | |
47b0e7ad NC |
5 | This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and |
6 | the GNU Binutils. | |
252b5132 | 7 | |
47b0e7ad NC |
8 | GAS/GDB is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
e4e42b45 | 10 | the Free Software Foundation; either version 3, or (at your option) |
47b0e7ad | 11 | any later version. |
252b5132 | 12 | |
47b0e7ad NC |
13 | GAS/GDB 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. | |
252b5132 | 17 | |
47b0e7ad | 18 | You should have received a copy of the GNU General Public License |
e4e42b45 | 19 | along with GAS or GDB; see the file COPYING3. If not, write to |
47b0e7ad NC |
20 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
252b5132 | 22 | |
b3f7d5fd | 23 | #include "ansidecl.h" |
252b5132 RH |
24 | |
25 | /* The SPARC opcode table (and other related data) is defined in | |
26 | the opcodes library in sparc-opc.c. If you change anything here, make | |
27 | sure you fix up that file, and vice versa. */ | |
28 | ||
29 | /* FIXME-someday: perhaps the ,a's and such should be embedded in the | |
30 | instruction's name rather than the args. This would make gas faster, pinsn | |
31 | slower, but would mess up some macros a bit. xoxorich. */ | |
32 | ||
33 | /* List of instruction sets variations. | |
34 | These values are such that each element is either a superset of a | |
35 | preceding each one or they conflict in which case SPARC_OPCODE_CONFLICT_P | |
36 | returns non-zero. | |
37 | The values are indices into `sparc_opcode_archs' defined in sparc-opc.c. | |
38 | Don't change this without updating sparc-opc.c. */ | |
39 | ||
47b0e7ad NC |
40 | enum sparc_opcode_arch_val |
41 | { | |
252b5132 RH |
42 | SPARC_OPCODE_ARCH_V6 = 0, |
43 | SPARC_OPCODE_ARCH_V7, | |
44 | SPARC_OPCODE_ARCH_V8, | |
45 | SPARC_OPCODE_ARCH_SPARCLET, | |
46 | SPARC_OPCODE_ARCH_SPARCLITE, | |
47b0e7ad | 47 | /* V9 variants must appear last. */ |
252b5132 | 48 | SPARC_OPCODE_ARCH_V9, |
47b0e7ad NC |
49 | SPARC_OPCODE_ARCH_V9A, /* V9 with ultrasparc additions. */ |
50 | SPARC_OPCODE_ARCH_V9B, /* V9 with ultrasparc and cheetah additions. */ | |
51 | SPARC_OPCODE_ARCH_BAD /* Error return from sparc_opcode_lookup_arch. */ | |
252b5132 RH |
52 | }; |
53 | ||
54 | /* The highest architecture in the table. */ | |
55 | #define SPARC_OPCODE_ARCH_MAX (SPARC_OPCODE_ARCH_BAD - 1) | |
56 | ||
57 | /* Given an enum sparc_opcode_arch_val, return the bitmask to use in | |
58 | insn encoding/decoding. */ | |
59 | #define SPARC_OPCODE_ARCH_MASK(arch) (1 << (arch)) | |
60 | ||
61 | /* Given a valid sparc_opcode_arch_val, return non-zero if it's v9. */ | |
62 | #define SPARC_OPCODE_ARCH_V9_P(arch) ((arch) >= SPARC_OPCODE_ARCH_V9) | |
63 | ||
64 | /* Table of cpu variants. */ | |
65 | ||
47b0e7ad NC |
66 | typedef struct sparc_opcode_arch |
67 | { | |
252b5132 RH |
68 | const char *name; |
69 | /* Mask of sparc_opcode_arch_val's supported. | |
70 | EG: For v7 this would be | |
71 | (SPARC_OPCODE_ARCH_MASK (..._V6) | SPARC_OPCODE_ARCH_MASK (..._V7)). | |
72 | These are short's because sparc_opcode.architecture is. */ | |
73 | short supported; | |
47b0e7ad | 74 | } sparc_opcode_arch; |
252b5132 RH |
75 | |
76 | extern const struct sparc_opcode_arch sparc_opcode_archs[]; | |
77 | ||
78 | /* Given architecture name, look up it's sparc_opcode_arch_val value. */ | |
8cf3f354 | 79 | extern enum sparc_opcode_arch_val sparc_opcode_lookup_arch (const char *); |
252b5132 RH |
80 | |
81 | /* Return the bitmask of supported architectures for ARCH. */ | |
82 | #define SPARC_OPCODE_SUPPORTED(ARCH) (sparc_opcode_archs[ARCH].supported) | |
83 | ||
84 | /* Non-zero if ARCH1 conflicts with ARCH2. | |
85 | IE: ARCH1 as a supported bit set that ARCH2 doesn't, and vice versa. */ | |
86 | #define SPARC_OPCODE_CONFLICT_P(ARCH1, ARCH2) \ | |
47b0e7ad NC |
87 | (((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \ |
88 | != SPARC_OPCODE_SUPPORTED (ARCH1)) \ | |
89 | && ((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \ | |
252b5132 RH |
90 | != SPARC_OPCODE_SUPPORTED (ARCH2))) |
91 | ||
92 | /* Structure of an opcode table entry. */ | |
93 | ||
47b0e7ad NC |
94 | typedef struct sparc_opcode |
95 | { | |
252b5132 | 96 | const char *name; |
47b0e7ad NC |
97 | unsigned long match; /* Bits that must be set. */ |
98 | unsigned long lose; /* Bits that must not be set. */ | |
252b5132 | 99 | const char *args; |
47b0e7ad | 100 | /* This was called "delayed" in versions before the flags. */ |
9e8c70f9 | 101 | unsigned int flags; |
252b5132 | 102 | short architecture; /* Bitmask of sparc_opcode_arch_val's. */ |
47b0e7ad NC |
103 | } sparc_opcode; |
104 | ||
252b5132 | 105 | /* FIXME: Add F_ANACHRONISTIC flag for v9. */ |
9e8c70f9 DM |
106 | #define F_DELAYED 0x00000001 /* Delayed branch. */ |
107 | #define F_ALIAS 0x00000002 /* Alias for a "real" instruction. */ | |
108 | #define F_UNBR 0x00000004 /* Unconditional branch. */ | |
109 | #define F_CONDBR 0x00000008 /* Conditional branch. */ | |
110 | #define F_JSR 0x00000010 /* Subroutine call. */ | |
111 | #define F_FLOAT 0x00000020 /* Floating point instruction (not a branch). */ | |
112 | #define F_FBR 0x00000040 /* Floating point branch. */ | |
113 | #define F_MUL32 0x00000100 /* umul/umulcc/smul/smulcc insns */ | |
114 | #define F_DIV32 0x00000200 /* udiv/udivcc/sdiv/sdivcc insns */ | |
115 | #define F_FSMULD 0x00000400 /* 'fsmuld' insn */ | |
116 | #define F_V8PLUS 0x00000800 /* v9 insns available to 32bit */ | |
117 | #define F_POPC 0x00001000 /* 'popc' insn */ | |
118 | #define F_VIS 0x00002000 /* VIS insns */ | |
119 | #define F_VIS2 0x00004000 /* VIS2 insns */ | |
120 | #define F_ASI_BLK_INIT 0x00008000 /* block init ASIs */ | |
121 | #define F_FMAF 0x00010000 /* fused multiply-add */ | |
122 | #define F_VIS3 0x00020000 /* VIS3 insns */ | |
123 | #define F_HPC 0x00040000 /* HPC insns */ | |
124 | #define F_RANDOM 0x00080000 /* 'random' insn */ | |
125 | #define F_TRANS 0x00100000 /* transaction insns */ | |
126 | #define F_FJFMAU 0x00200000 /* unfused multiply-add */ | |
127 | #define F_IMA 0x00400000 /* integer multiply-add */ | |
128 | #define F_ASI_CACHE_SPARING \ | |
129 | 0x00800000 /* cache sparing ASIs */ | |
130 | ||
131 | #define F_HWCAP_MASK 0x00ffff00 | |
252b5132 | 132 | |
47b0e7ad NC |
133 | /* All sparc opcodes are 32 bits, except for the `set' instruction (really a |
134 | macro), which is 64 bits. It is handled as a special case. | |
252b5132 | 135 | |
47b0e7ad NC |
136 | The match component is a mask saying which bits must match a particular |
137 | opcode in order for an instruction to be an instance of that opcode. | |
252b5132 | 138 | |
47b0e7ad NC |
139 | The args component is a string containing one character for each operand of the |
140 | instruction. | |
252b5132 | 141 | |
47b0e7ad | 142 | Kinds of operands: |
252b5132 RH |
143 | # Number used by optimizer. It is ignored. |
144 | 1 rs1 register. | |
145 | 2 rs2 register. | |
146 | d rd register. | |
147 | e frs1 floating point register. | |
148 | v frs1 floating point register (double/even). | |
149 | V frs1 floating point register (quad/multiple of 4). | |
150 | f frs2 floating point register. | |
151 | B frs2 floating point register (double/even). | |
152 | R frs2 floating point register (quad/multiple of 4). | |
ea783ef3 DM |
153 | 4 frs3 floating point register. |
154 | 5 frs3 floating point register (doube/even). | |
252b5132 RH |
155 | g frsd floating point register. |
156 | H frsd floating point register (double/even). | |
157 | J frsd floating point register (quad/multiple of 4). | |
158 | b crs1 coprocessor register | |
159 | c crs2 coprocessor register | |
160 | D crsd coprocessor register | |
161 | m alternate space register (asr) in rd | |
162 | M alternate space register (asr) in rs1 | |
163 | h 22 high bits. | |
164 | X 5 bit unsigned immediate | |
165 | Y 6 bit unsigned immediate | |
19f7b010 | 166 | 3 SIAM mode (3 bits). (v9b) |
252b5132 RH |
167 | K MEMBAR mask (7 bits). (v9) |
168 | j 10 bit Immediate. (v9) | |
169 | I 11 bit Immediate. (v9) | |
170 | i 13 bit Immediate. | |
171 | n 22 bit immediate. | |
172 | k 2+14 bit PC relative immediate. (v9) | |
173 | G 19 bit PC relative immediate. (v9) | |
174 | l 22 bit PC relative immediate. | |
175 | L 30 bit PC relative immediate. | |
176 | a Annul. The annul bit is set. | |
177 | A Alternate address space. Stored as 8 bits. | |
178 | C Coprocessor state register. | |
179 | F floating point state register. | |
180 | p Processor state register. | |
181 | N Branch predict clear ",pn" (v9) | |
182 | T Branch predict set ",pt" (v9) | |
183 | z %icc. (v9) | |
184 | Z %xcc. (v9) | |
185 | q Floating point queue. | |
186 | r Single register that is both rs1 and rd. | |
187 | O Single register that is both rs2 and rd. | |
188 | Q Coprocessor queue. | |
189 | S Special case. | |
190 | t Trap base register. | |
191 | w Window invalid mask register. | |
192 | y Y register. | |
193 | u sparclet coprocessor registers in rd position | |
194 | U sparclet coprocessor registers in rs1 position | |
195 | E %ccr. (v9) | |
196 | s %fprs. (v9) | |
197 | P %pc. (v9) | |
198 | W %tick. (v9) | |
199 | o %asi. (v9) | |
200 | 6 %fcc0. (v9) | |
201 | 7 %fcc1. (v9) | |
202 | 8 %fcc2. (v9) | |
203 | 9 %fcc3. (v9) | |
204 | ! Privileged Register in rd (v9) | |
205 | ? Privileged Register in rs1 (v9) | |
206 | * Prefetch function constant. (v9) | |
207 | x OPF field (v9 impdep). | |
208 | 0 32/64 bit immediate for set or setx (v9) insns | |
209 | _ Ancillary state register in rd (v9a) | |
210 | / Ancillary state register in rs1 (v9a) | |
ea783ef3 | 211 | ( entire floating point state register (%efsr). */ |
47b0e7ad NC |
212 | |
213 | #define OP2(x) (((x) & 0x7) << 22) /* Op2 field of format2 insns. */ | |
214 | #define OP3(x) (((x) & 0x3f) << 19) /* Op3 field of format3 insns. */ | |
215 | #define OP(x) ((unsigned) ((x) & 0x3) << 30) /* Op field of all insns. */ | |
216 | #define OPF(x) (((x) & 0x1ff) << 5) /* Opf field of float insns. */ | |
217 | #define OPF_LOW5(x) OPF ((x) & 0x1f) /* V9. */ | |
ea783ef3 | 218 | #define OPF_LOW4(x) OPF ((x) & 0xf) /* V9. */ |
47b0e7ad NC |
219 | #define F3F(x, y, z) (OP (x) | OP3 (y) | OPF (z)) /* Format3 float insns. */ |
220 | #define F3I(x) (((x) & 0x1) << 13) /* Immediate field of format 3 insns. */ | |
221 | #define F2(x, y) (OP (x) | OP2(y)) /* Format 2 insns. */ | |
222 | #define F3(x, y, z) (OP (x) | OP3(y) | F3I(z)) /* Format3 insns. */ | |
223 | #define F1(x) (OP (x)) | |
224 | #define DISP30(x) ((x) & 0x3fffffff) | |
225 | #define ASI(x) (((x) & 0xff) << 5) /* Asi field of format3 insns. */ | |
226 | #define RS2(x) ((x) & 0x1f) /* Rs2 field. */ | |
227 | #define SIMM13(x) ((x) & 0x1fff) /* Simm13 field. */ | |
228 | #define RD(x) (((x) & 0x1f) << 25) /* Destination register field. */ | |
229 | #define RS1(x) (((x) & 0x1f) << 14) /* Rs1 field. */ | |
ea783ef3 | 230 | #define RS3(x) (((x) & 0x1f) << 9) /* Rs3 field. */ |
47b0e7ad NC |
231 | #define ASI_RS2(x) (SIMM13 (x)) |
232 | #define MEMBAR(x) ((x) & 0x7f) | |
233 | #define SLCPOP(x) (((x) & 0x7f) << 6) /* Sparclet cpop. */ | |
234 | ||
235 | #define ANNUL (1 << 29) | |
236 | #define BPRED (1 << 19) /* V9. */ | |
237 | #define IMMED F3I (1) | |
238 | #define RD_G0 RD (~0) | |
239 | #define RS1_G0 RS1 (~0) | |
240 | #define RS2_G0 RS2 (~0) | |
252b5132 RH |
241 | |
242 | extern const struct sparc_opcode sparc_opcodes[]; | |
243 | extern const int sparc_num_opcodes; | |
244 | ||
8cf3f354 AM |
245 | extern int sparc_encode_asi (const char *); |
246 | extern const char *sparc_decode_asi (int); | |
247 | extern int sparc_encode_membar (const char *); | |
248 | extern const char *sparc_decode_membar (int); | |
249 | extern int sparc_encode_prefetch (const char *); | |
250 | extern const char *sparc_decode_prefetch (int); | |
251 | extern int sparc_encode_sparclet_cpreg (const char *); | |
252 | extern const char *sparc_decode_sparclet_cpreg (int); | |
252b5132 | 253 | |
47b0e7ad NC |
254 | /* Local Variables: |
255 | fill-column: 131 | |
256 | comment-column: 0 | |
257 | End: */ | |
252b5132 | 258 |