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[binutils-gdb.git] / opcodes / pru-opc.c
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1 /* TI PRU opcode list.
2 Copyright (C) 2014-2024 Free Software Foundation, Inc.
3 Contributed by Dimitar Dimitrov <dimitar@dinux.eu>
5 This file is part of the GNU opcodes library.
7 This library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
12 It is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 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 COPYING. If not, write to the
19 Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
22 /* Source:
23 http://processors.wiki.ti.com/index.php/Programmable_Realtime_Unit */
25 #include "sysdep.h"
26 #include <stdio.h>
27 #include "opcode/pru.h"
29 /* Register string table. */
31 #define DECLARE_REG(name, index) \
32 { #name ".b0", (index), RSEL_7_0 }, \
33 { #name ".b1", (index), RSEL_15_8 }, \
34 { #name ".b2", (index), RSEL_23_16 }, \
35 { #name ".b3", (index), RSEL_31_24 }, \
36 { #name ".w0", (index), RSEL_15_0 }, \
37 { #name ".w1", (index), RSEL_23_8 }, \
38 { #name ".w2", (index), RSEL_31_16 }, \
39 { #name , (index), RSEL_31_0 }
41 const struct pru_reg pru_regs[] = {
42 /* Standard register names. */
43 DECLARE_REG (r0, 0),
44 DECLARE_REG (r1, 1),
45 DECLARE_REG (sp, 2), /* Stack pointer. */
46 DECLARE_REG (ra, 3), /* Return address. */
47 DECLARE_REG (fp, 4), /* Frame pointer. */
48 DECLARE_REG (r5, 5),
49 DECLARE_REG (r6, 6),
50 DECLARE_REG (r7, 7),
51 DECLARE_REG (r8, 8),
52 DECLARE_REG (r9, 9),
53 DECLARE_REG (r10, 10),
54 DECLARE_REG (r11, 11),
55 DECLARE_REG (r12, 12),
56 DECLARE_REG (r13, 13),
57 DECLARE_REG (r14, 14),
58 DECLARE_REG (r15, 15),
59 DECLARE_REG (r16, 16),
60 DECLARE_REG (r17, 17),
61 DECLARE_REG (r18, 18),
62 DECLARE_REG (r19, 19),
63 DECLARE_REG (r20, 20),
64 DECLARE_REG (r21, 21),
65 DECLARE_REG (r22, 22),
66 DECLARE_REG (r23, 23),
67 DECLARE_REG (r24, 24),
68 DECLARE_REG (r25, 25),
69 DECLARE_REG (r26, 26),
70 DECLARE_REG (r27, 27),
71 DECLARE_REG (r28, 28),
72 DECLARE_REG (r29, 29),
73 DECLARE_REG (r30, 30),
74 DECLARE_REG (r31, 31),
76 /* Alternative names for special registers. */
77 DECLARE_REG (r2, 2),
78 DECLARE_REG (r3, 3),
79 DECLARE_REG (r4, 4)
82 #define PRU_NUM_REGS \
83 ((sizeof pru_regs) / (sizeof (pru_regs[0])))
84 const int pru_num_regs = PRU_NUM_REGS;
86 #undef PRU_NUM_REGS
88 /* This is the opcode table used by the PRU GNU as and disassembler. */
89 const struct pru_opcode pru_opcodes[] =
91 /* { name, args,
92 match, mask, pinfo, overflow_msg } */
93 #define DECLARE_FORMAT1_OPCODE(str, subop) \
94 { #str, prui_ ## str, "d,s,b", \
95 OP_MATCH_ ## subop, OP_MASK_FMT1_OP | OP_MASK_SUBOP, 0, \
96 unsigned_immed8_overflow }
98 DECLARE_FORMAT1_OPCODE (add, ADD),
99 DECLARE_FORMAT1_OPCODE (adc, ADC),
100 DECLARE_FORMAT1_OPCODE (sub, SUB),
101 DECLARE_FORMAT1_OPCODE (suc, SUC),
102 DECLARE_FORMAT1_OPCODE (lsl, LSL),
103 DECLARE_FORMAT1_OPCODE (lsr, LSR),
104 DECLARE_FORMAT1_OPCODE (rsb, RSB),
105 DECLARE_FORMAT1_OPCODE (rsc, RSC),
106 DECLARE_FORMAT1_OPCODE (and, AND),
107 DECLARE_FORMAT1_OPCODE (or, OR),
108 DECLARE_FORMAT1_OPCODE (xor, XOR),
109 DECLARE_FORMAT1_OPCODE (min, MIN),
110 DECLARE_FORMAT1_OPCODE (max, MAX),
111 DECLARE_FORMAT1_OPCODE (clr, CLR),
112 DECLARE_FORMAT1_OPCODE (set, SET),
114 { "not", prui_not, "d,s",
115 OP_MATCH_NOT | OP_MASK_IO,
116 OP_MASK_FMT1_OP | OP_MASK_SUBOP | OP_MASK_IO, 0, no_overflow},
118 { "jmp", prui_jmp, "j",
119 OP_MATCH_JMP, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, unsigned_immed16_overflow},
120 { "jal", prui_jal, "d,j",
121 OP_MATCH_JAL, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, unsigned_immed16_overflow},
122 { "ldi", prui_ldi, "d,W",
123 OP_MATCH_LDI, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, unsigned_immed16_overflow},
124 { "lmbd", prui_lmbd, "d,s,b",
125 OP_MATCH_LMBD, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, unsigned_immed8_overflow},
126 { "halt", prui_halt, "",
127 OP_MATCH_HALT, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, no_overflow},
128 { "slp", prui_slp, "w",
129 OP_MATCH_SLP, OP_MASK_FMT2_OP | OP_MASK_SUBOP, 0, no_overflow},
131 { "xin", prui_xin, "x,D,n",
132 OP_MATCH_XIN, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
133 { "xout", prui_xout, "x,D,n",
134 OP_MATCH_XOUT, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
135 { "xchg", prui_xchg, "x,D,n",
136 OP_MATCH_XCHG, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
137 { "sxin", prui_sxin, "x,D,n",
138 OP_MATCH_SXIN, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
139 { "sxout", prui_sxout, "x,D,n",
140 OP_MATCH_SXOUT, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
141 { "sxchg", prui_sxchg, "x,D,n",
142 OP_MATCH_SXCHG, OP_MASK_XFR_OP, 0, unsigned_immed8_overflow},
144 { "loop", prui_loop, "O,B",
145 OP_MATCH_LOOP, OP_MASK_LOOP_OP, 0, unsigned_immed8_overflow},
146 { "iloop", prui_loop, "O,B",
147 OP_MATCH_ILOOP, OP_MASK_LOOP_OP, 0, unsigned_immed8_overflow},
149 { "qbgt", prui_qbgt, "o,s,b",
150 OP_MATCH_QBGT, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
151 { "qbge", prui_qbge, "o,s,b",
152 OP_MATCH_QBGE, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
153 { "qblt", prui_qblt, "o,s,b",
154 OP_MATCH_QBLT, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
155 { "qble", prui_qble, "o,s,b",
156 OP_MATCH_QBLE, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
157 { "qbeq", prui_qbeq, "o,s,b",
158 OP_MATCH_QBEQ, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
159 { "qbne", prui_qbne, "o,s,b",
160 OP_MATCH_QBNE, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
161 { "qba", prui_qba, "o",
162 OP_MATCH_QBA, OP_MASK_FMT4_OP | OP_MASK_CMP, 0, qbranch_target_overflow},
164 { "qbbs", prui_qbbs, "o,s,b",
165 OP_MATCH_QBBS, OP_MASK_FMT5_OP | OP_MASK_BCMP, 0, qbranch_target_overflow},
166 { "qbbc", prui_qbbc, "o,s,b",
167 OP_MATCH_QBBC, OP_MASK_FMT5_OP | OP_MASK_BCMP, 0, qbranch_target_overflow},
169 { "lbbo", prui_lbbo, "D,S,b,l",
170 OP_MATCH_LBBO, OP_MASK_FMT6AB_OP | OP_MASK_LOADSTORE, 0,
171 unsigned_immed8_overflow},
172 { "sbbo", prui_sbbo, "D,S,b,l",
173 OP_MATCH_SBBO, OP_MASK_FMT6AB_OP | OP_MASK_LOADSTORE, 0,
174 unsigned_immed8_overflow},
175 { "lbco", prui_lbco, "D,c,b,l",
176 OP_MATCH_LBCO, OP_MASK_FMT6CD_OP | OP_MASK_LOADSTORE, 0,
177 unsigned_immed8_overflow},
178 { "sbco", prui_sbco, "D,c,b,l",
179 OP_MATCH_SBCO, OP_MASK_FMT6CD_OP | OP_MASK_LOADSTORE, 0,
180 unsigned_immed8_overflow},
182 /* Fill in the default values for the real-instruction arguments.
183 The assembler will not do it! */
184 { "nop", prui_or, "",
185 OP_MATCH_OR
186 | (RSEL_31_0 << OP_SH_RS2SEL) | (0 << OP_SH_RS2)
187 | (RSEL_31_0 << OP_SH_RS1SEL) | (0 << OP_SH_RS1)
188 | (RSEL_31_0 << OP_SH_RDSEL) | (0 << OP_SH_RD),
189 OP_MASK_FMT1_OP | OP_MASK_SUBOP
190 | OP_MASK_RS2SEL | OP_MASK_RS2 | OP_MASK_RS1SEL | OP_MASK_RS1
191 | OP_MASK_RDSEL | OP_MASK_RD | OP_MASK_IO,
192 PRU_INSN_MACRO, no_overflow},
193 { "mov", prui_or, "d,s",
194 OP_MATCH_OR | (0 << OP_SH_IMM8) | OP_MASK_IO,
195 OP_MASK_FMT1_OP | OP_MASK_SUBOP | OP_MASK_IMM8 | OP_MASK_IO,
196 PRU_INSN_MACRO, no_overflow},
197 { "ret", prui_jmp, "",
198 OP_MATCH_JMP
199 | (RSEL_31_16 << OP_SH_RS2SEL) | (3 << OP_SH_RS2),
200 OP_MASK_FMT2_OP | OP_MASK_SUBOP
201 | OP_MASK_RS2SEL | OP_MASK_RS2 | OP_MASK_IO,
202 PRU_INSN_MACRO, unsigned_immed16_overflow},
203 { "call", prui_jal, "j",
204 OP_MATCH_JAL
205 | (RSEL_31_16 << OP_SH_RDSEL) | (3 << OP_SH_RD),
206 OP_MASK_FMT2_OP | OP_MASK_SUBOP
207 | OP_MASK_RDSEL | OP_MASK_RD,
208 PRU_INSN_MACRO, unsigned_immed16_overflow},
210 { "wbc", prui_qbbs, "s,b",
211 OP_MATCH_QBBS | (0 << OP_SH_BROFF98) | (0 << OP_SH_BROFF70),
212 OP_MASK_FMT5_OP | OP_MASK_BCMP | OP_MASK_BROFF,
213 PRU_INSN_MACRO, qbranch_target_overflow},
214 { "wbs", prui_qbbc, "s,b",
215 OP_MATCH_QBBC | (0 << OP_SH_BROFF98) | (0 << OP_SH_BROFF70),
216 OP_MASK_FMT5_OP | OP_MASK_BCMP | OP_MASK_BROFF,
217 PRU_INSN_MACRO, qbranch_target_overflow},
219 { "fill", prui_xin, "D,n",
220 OP_MATCH_XIN | (254 << OP_SH_XFR_WBA),
221 OP_MASK_XFR_OP | OP_MASK_XFR_WBA,
222 PRU_INSN_MACRO, unsigned_immed8_overflow},
223 { "zero", prui_xin, "D,n",
224 OP_MATCH_XIN | (255 << OP_SH_XFR_WBA),
225 OP_MASK_XFR_OP | OP_MASK_XFR_WBA,
226 PRU_INSN_MACRO, unsigned_immed8_overflow},
228 { "ldi32", prui_ldi, "R,i",
229 OP_MATCH_LDI, OP_MASK_FMT2_OP | OP_MASK_SUBOP,
230 PRU_INSN_LDI32, unsigned_immed32_overflow},
233 #define PRU_NUM_OPCODES \
234 ((sizeof pru_opcodes) / (sizeof (pru_opcodes[0])))
235 const int bfd_pru_num_opcodes = PRU_NUM_OPCODES;
237 #undef PRU_NUM_OPCODES