1 /** 2 * @namespace biew_plugins_II 3 * @file plugins/disasm/avr/avr_ops.h 4 * @brief This file contains declaration of Atmel AVR opcodes. 5 * @version - 6 * @remark this source file is part of Binary vIEW project (BIEW). 7 * The Binary vIEW (BIEW) is copyright (C) 1995 Nickols_K. 8 * All rights reserved. This software is redistributable under the 9 * licence given in the file "Licence.en" ("Licence.ru" in russian 10 * translation) distributed in the BIEW archive. 11 * @note Requires POSIX compatible development system 12 * 13 * @author Stephan Linz 14 * @since 2003 15 * @note Development, fixes and improvements 16 * 17 * @note ported from GNU binutils -- most stuff made by Denis Chertykov 18 **/ 19 20 #define AVR_ISA_1200 0x0001 /* in the beginning there was ... */ 21 #define AVR_ISA_LPM 0x0002 /* device has LPM */ 22 #define AVR_ISA_LPMX 0x0004 /* device has LPM Rd,Z[+] */ 23 #define AVR_ISA_SRAM 0x0008 /* device has SRAM (LD, ST, PUSH, POP, ...) */ 24 #define AVR_ISA_MEGA 0x0020 /* device has >8K program memory (JMP and CALL 25 supported, no 8K wrap on RJMP and RCALL) */ 26 #define AVR_ISA_MUL 0x0040 /* device has new core (MUL, MOVW, ...) */ 27 #define AVR_ISA_ELPM 0x0080 /* device has >64K program memory (ELPM) */ 28 #define AVR_ISA_ELPMX 0x0100 /* device has ELPM Rd,Z[+] */ 29 #define AVR_ISA_SPM 0x0200 /* device can program itself */ 30 #define AVR_ISA_BRK 0x0400 /* device has BREAK (on-chip debug) */ 31 #define AVR_ISA_EIND 0x0800 /* device has >128K program memory (none yet) */ 32 33 #define AVR_ISA_TINY1 (AVR_ISA_1200 | AVR_ISA_LPM) 34 #define AVR_ISA_2xxx (AVR_ISA_TINY1 | AVR_ISA_SRAM) 35 #define AVR_ISA_M8 (AVR_ISA_2xxx | AVR_ISA_MUL | AVR_ISA_LPMX | AVR_ISA_SPM) 36 #define AVR_ISA_M603 (AVR_ISA_2xxx | AVR_ISA_MEGA) 37 #define AVR_ISA_M103 (AVR_ISA_M603 | AVR_ISA_ELPM) 38 #define AVR_ISA_M161 (AVR_ISA_M603 | AVR_ISA_MUL | AVR_ISA_LPMX | AVR_ISA_SPM) 39 #define AVR_ISA_94K (AVR_ISA_M603 | AVR_ISA_MUL | AVR_ISA_LPMX) 40 #define AVR_ISA_M323 (AVR_ISA_M161 | AVR_ISA_BRK) 41 #define AVR_ISA_M128 (AVR_ISA_M323 | AVR_ISA_ELPM | AVR_ISA_ELPMX) 42 43 #define AVR_ISA_ALL 0xFFFF 44 45 #define REGISTER_P(x) ((x) == 'r' \ 46 || (x) == 'd' \ 47 || (x) == 'w' \ 48 || (x) == 'a' \ 49 || (x) == 'v') 50 51 /* Undefined combination of operands - does the register 52 operand overlap with pre-decremented or post-incremented 53 pointer register (like ld r31,Z+)? */ 54 #define AVR_UNDEF_P(x) (((x) & 0xFFED) == 0x91E5 || \ 55 ((x) & 0xFDEF) == 0x91AD || ((x) & 0xFDEF) == 0x91AE || \ 56 ((x) & 0xFDEF) == 0x91C9 || ((x) & 0xFDEF) == 0x91CA || \ 57 ((x) & 0xFDEF) == 0x91E1 || ((x) & 0xFDEF) == 0x91E2) 58 59 /* Is this a skip instruction {cpse,sbic,sbis,sbrc,sbrs}? */ 60 #define AVR_SKIP_P(x) (((x) & 0xFC00) == 0x1000 || \ 61 ((x) & 0xFD00) == 0x9900 || ((x) & 0xFC08) == 0xFC00) 62 63 /* Is this `ldd r,b+0' or `std b+0,r' (b={Y,Z}, disassembled as 64 `ld r,b' or `st b,r' respectively - next opcode entry)? */ 65 #define AVR_DISP0_P(x) (((x) & 0xFC07) == 0x8000) 66 67 /* identify instruction of return class */ 68 #define AVR_RET_CLASS(x) ((x) == 0x9508 || (x) == 0x9518) 69 70 /* identify instruction of leave class (ex.: pop r1) */ 71 #define AVR_LEAVE_CLASS(x) (0) 72 73 /* identify instruction of jump via virtual table */ 74 #define AVR_JMPVVT_CLASS(x) (0) 75 76 /* identify instruction of jump via PIC */ 77 #define AVR_JUMPPIC_CLASS(x) ((x) == 0xC000 || (x) == 0xD000) 78 79 /* constraint letters 80 r - any register 81 d - `ldi' register (r16-r31) 82 v - `movw' even register (r0, r2, ..., r28, r30) 83 a - `fmul' register (r16-r23) 84 w - `adiw' register (r24,r26,r28,r30) 85 e - pointer registers (X,Y,Z) 86 b - base pointer register and displacement ([YZ]+disp) 87 z - Z pointer register (for [e]lpm Rd,Z[+]) 88 M - immediate value from 0 to 255 89 n - immediate value from 0 to 255 ( n = ~M ). Relocation impossible 90 s - immediate value from 0 to 7 91 P - Port address value from 0 to 63. (in, out) 92 p - Port address value from 0 to 31. (cbi, sbi, sbic, sbis) 93 K - immediate value from 0 to 63 (used in `adiw', `sbiw') 94 i - immediate value 95 l - signed pc relative offset from -64 to 63 96 L - signed pc relative offset from -2048 to 2047 97 h - absolute code address (call, jmp) 98 S - immediate value from 0 to 7 (S = s << 4) 99 ? - use this opcode entry if no parameters, else use next opcode entry 100 101 Order is important - some binary opcodes have more than one name, 102 the disassembler will only see the first match. 103 104 Remaining undefined opcodes (1699 total - some of them might work 105 as normal instructions if not all of the bits are decoded): 106 107 0x0001...0x00ff (255) (known to be decoded as `nop' by the old core) 108 "100100xxxxxxx011" (128) 0x9[0-3][0-9a-f][3b] 109 "100100xxxxxx1000" (64) 0x9[0-3][0-9a-f]8 110 "1001001xxxxx01xx" (128) 0x9[23][0-9a-f][4-7] 111 "1001010xxxxx0100" (32) 0x9[45][0-9a-f]4 112 "1001010x001x1001" (4) 0x9[45][23]9 113 "1001010x01xx1001" (8) 0x9[45][4-7]9 114 "1001010x1xxx1001" (16) 0x9[45][8-9a-f]9 115 "1001010xxxxx1011" (32) 0x9[45][0-9a-f]b 116 "10010101001x1000" (2) 0x95[23]8 117 "1001010101xx1000" (4) 0x95[4-7]8 118 "1001010110111000" (1) 0x95b8 119 "1001010111111000" (1) 0x95f8 (`espm' removed in databook update) 120 "11111xxxxxxx1xxx" (1024) 0xf[8-9a-f][0-9a-f][8-9a-f] 121 */ 122 123 AVR_INSN (clc, "", "1001010010001000", 1, AVR_ISA_1200, 0x9488) 124 AVR_INSN (clh, "", "1001010011011000", 1, AVR_ISA_1200, 0x94d8) 125 AVR_INSN (cli, "", "1001010011111000", 1, AVR_ISA_1200, 0x94f8) 126 AVR_INSN (cln, "", "1001010010101000", 1, AVR_ISA_1200, 0x94a8) 127 AVR_INSN (cls, "", "1001010011001000", 1, AVR_ISA_1200, 0x94c8) 128 AVR_INSN (clt, "", "1001010011101000", 1, AVR_ISA_1200, 0x94e8) 129 AVR_INSN (clv, "", "1001010010111000", 1, AVR_ISA_1200, 0x94b8) 130 AVR_INSN (clz, "", "1001010010011000", 1, AVR_ISA_1200, 0x9498) 131 132 AVR_INSN (sec, "", "1001010000001000", 1, AVR_ISA_1200, 0x9408) 133 AVR_INSN (seh, "", "1001010001011000", 1, AVR_ISA_1200, 0x9458) 134 AVR_INSN (sei, "", "1001010001111000", 1, AVR_ISA_1200, 0x9478) 135 AVR_INSN (sen, "", "1001010000101000", 1, AVR_ISA_1200, 0x9428) 136 AVR_INSN (ses, "", "1001010001001000", 1, AVR_ISA_1200, 0x9448) 137 AVR_INSN (set, "", "1001010001101000", 1, AVR_ISA_1200, 0x9468) 138 AVR_INSN (sev, "", "1001010000111000", 1, AVR_ISA_1200, 0x9438) 139 AVR_INSN (sez, "", "1001010000011000", 1, AVR_ISA_1200, 0x9418) 140 141 /* Same as {cl,se}[chinstvz] above. */ 142 AVR_INSN (bclr, "S", "100101001SSS1000", 1, AVR_ISA_1200, 0x9488) 143 AVR_INSN (bset, "S", "100101000SSS1000", 1, AVR_ISA_1200, 0x9408) 144 145 AVR_INSN (icall,"", "1001010100001001", 1, AVR_ISA_2xxx, 0x9509) 146 AVR_INSN (ijmp, "", "1001010000001001", 1, AVR_ISA_2xxx, 0x9409) 147 148 AVR_INSN (lpm, "?", "1001010111001000", 1, AVR_ISA_TINY1,0x95c8) 149 AVR_INSN (lpm, "r,z", "1001000ddddd010+", 1, AVR_ISA_LPMX, 0x9004) 150 AVR_INSN (elpm, "?", "1001010111011000", 1, AVR_ISA_ELPM, 0x95d8) 151 AVR_INSN (elpm, "r,z", "1001000ddddd011+", 1, AVR_ISA_ELPMX,0x9006) 152 153 AVR_INSN (nop, "", "0000000000000000", 1, AVR_ISA_1200, 0x0000) 154 AVR_INSN (ret, "", "1001010100001000", 1, AVR_ISA_1200, 0x9508) 155 AVR_INSN (reti, "", "1001010100011000", 1, AVR_ISA_1200, 0x9518) 156 AVR_INSN (sleep,"", "1001010110001000", 1, AVR_ISA_1200, 0x9588) 157 AVR_INSN (break,"", "1001010110011000", 1, AVR_ISA_BRK, 0x9598) 158 AVR_INSN (wdr, "", "1001010110101000", 1, AVR_ISA_1200, 0x95a8) 159 AVR_INSN (spm, "", "1001010111101000", 1, AVR_ISA_SPM, 0x95e8) 160 161 AVR_INSN (adc, "r,r", "000111rdddddrrrr", 1, AVR_ISA_1200, 0x1c00) 162 AVR_INSN (add, "r,r", "000011rdddddrrrr", 1, AVR_ISA_1200, 0x0c00) 163 AVR_INSN (and, "r,r", "001000rdddddrrrr", 1, AVR_ISA_1200, 0x2000) 164 AVR_INSN (cp, "r,r", "000101rdddddrrrr", 1, AVR_ISA_1200, 0x1400) 165 AVR_INSN (cpc, "r,r", "000001rdddddrrrr", 1, AVR_ISA_1200, 0x0400) 166 AVR_INSN (cpse, "r,r", "000100rdddddrrrr", 1, AVR_ISA_1200, 0x1000) 167 AVR_INSN (eor, "r,r", "001001rdddddrrrr", 1, AVR_ISA_1200, 0x2400) 168 AVR_INSN (mov, "r,r", "001011rdddddrrrr", 1, AVR_ISA_1200, 0x2c00) 169 AVR_INSN (mul, "r,r", "100111rdddddrrrr", 1, AVR_ISA_MUL, 0x9c00) 170 AVR_INSN (or, "r,r", "001010rdddddrrrr", 1, AVR_ISA_1200, 0x2800) 171 AVR_INSN (sbc, "r,r", "000010rdddddrrrr", 1, AVR_ISA_1200, 0x0800) 172 AVR_INSN (sub, "r,r", "000110rdddddrrrr", 1, AVR_ISA_1200, 0x1800) 173 174 /* Shorthand for {eor,add,adc,and} r,r above. */ 175 AVR_INSN (clr, "r=r", "001001rdddddrrrr", 1, AVR_ISA_1200, 0x2400) 176 AVR_INSN (lsl, "r=r", "000011rdddddrrrr", 1, AVR_ISA_1200, 0x0c00) 177 AVR_INSN (rol, "r=r", "000111rdddddrrrr", 1, AVR_ISA_1200, 0x1c00) 178 AVR_INSN (tst, "r=r", "001000rdddddrrrr", 1, AVR_ISA_1200, 0x2000) 179 180 AVR_INSN (andi, "d,M", "0111KKKKddddKKKK", 1, AVR_ISA_1200, 0x7000) 181 /*XXX special case*/ 182 AVR_INSN (cbr, "d,n", "0111KKKKddddKKKK", 1, AVR_ISA_1200, 0x7000) 183 184 AVR_INSN (ldi, "d,M", "1110KKKKddddKKKK", 1, AVR_ISA_1200, 0xe000) 185 AVR_INSN (ser, "d", "11101111dddd1111", 1, AVR_ISA_1200, 0xef0f) 186 187 AVR_INSN (ori, "d,M", "0110KKKKddddKKKK", 1, AVR_ISA_1200, 0x6000) 188 AVR_INSN (sbr, "d,M", "0110KKKKddddKKKK", 1, AVR_ISA_1200, 0x6000) 189 190 AVR_INSN (cpi, "d,M", "0011KKKKddddKKKK", 1, AVR_ISA_1200, 0x3000) 191 AVR_INSN (sbci, "d,M", "0100KKKKddddKKKK", 1, AVR_ISA_1200, 0x4000) 192 AVR_INSN (subi, "d,M", "0101KKKKddddKKKK", 1, AVR_ISA_1200, 0x5000) 193 194 AVR_INSN (sbrc, "r,s", "1111110rrrrr0sss", 1, AVR_ISA_1200, 0xfc00) 195 AVR_INSN (sbrs, "r,s", "1111111rrrrr0sss", 1, AVR_ISA_1200, 0xfe00) 196 AVR_INSN (bld, "r,s", "1111100ddddd0sss", 1, AVR_ISA_1200, 0xf800) 197 AVR_INSN (bst, "r,s", "1111101ddddd0sss", 1, AVR_ISA_1200, 0xfa00) 198 199 AVR_INSN (in, "r,P", "10110PPdddddPPPP", 1, AVR_ISA_1200, 0xb000) 200 AVR_INSN (out, "P,r", "10111PPrrrrrPPPP", 1, AVR_ISA_1200, 0xb800) 201 202 AVR_INSN (adiw, "w,K", "10010110KKddKKKK", 1, AVR_ISA_2xxx, 0x9600) 203 AVR_INSN (sbiw, "w,K", "10010111KKddKKKK", 1, AVR_ISA_2xxx, 0x9700) 204 205 AVR_INSN (cbi, "p,s", "10011000pppppsss", 1, AVR_ISA_1200, 0x9800) 206 AVR_INSN (sbi, "p,s", "10011010pppppsss", 1, AVR_ISA_1200, 0x9a00) 207 AVR_INSN (sbic, "p,s", "10011001pppppsss", 1, AVR_ISA_1200, 0x9900) 208 AVR_INSN (sbis, "p,s", "10011011pppppsss", 1, AVR_ISA_1200, 0x9b00) 209 210 AVR_INSN (brcc, "l", "111101lllllll000", 1, AVR_ISA_1200, 0xf400) 211 AVR_INSN (brcs, "l", "111100lllllll000", 1, AVR_ISA_1200, 0xf000) 212 AVR_INSN (breq, "l", "111100lllllll001", 1, AVR_ISA_1200, 0xf001) 213 AVR_INSN (brge, "l", "111101lllllll100", 1, AVR_ISA_1200, 0xf404) 214 AVR_INSN (brhc, "l", "111101lllllll101", 1, AVR_ISA_1200, 0xf405) 215 AVR_INSN (brhs, "l", "111100lllllll101", 1, AVR_ISA_1200, 0xf005) 216 AVR_INSN (brid, "l", "111101lllllll111", 1, AVR_ISA_1200, 0xf407) 217 AVR_INSN (brie, "l", "111100lllllll111", 1, AVR_ISA_1200, 0xf007) 218 AVR_INSN (brlo, "l", "111100lllllll000", 1, AVR_ISA_1200, 0xf000) 219 AVR_INSN (brlt, "l", "111100lllllll100", 1, AVR_ISA_1200, 0xf004) 220 AVR_INSN (brmi, "l", "111100lllllll010", 1, AVR_ISA_1200, 0xf002) 221 AVR_INSN (brne, "l", "111101lllllll001", 1, AVR_ISA_1200, 0xf401) 222 AVR_INSN (brpl, "l", "111101lllllll010", 1, AVR_ISA_1200, 0xf402) 223 AVR_INSN (brsh, "l", "111101lllllll000", 1, AVR_ISA_1200, 0xf400) 224 AVR_INSN (brtc, "l", "111101lllllll110", 1, AVR_ISA_1200, 0xf406) 225 AVR_INSN (brts, "l", "111100lllllll110", 1, AVR_ISA_1200, 0xf006) 226 AVR_INSN (brvc, "l", "111101lllllll011", 1, AVR_ISA_1200, 0xf403) 227 AVR_INSN (brvs, "l", "111100lllllll011", 1, AVR_ISA_1200, 0xf003) 228 229 /* Same as br?? above. */ 230 AVR_INSN (brbc, "s,l", "111101lllllllsss", 1, AVR_ISA_1200, 0xf400) 231 AVR_INSN (brbs, "s,l", "111100lllllllsss", 1, AVR_ISA_1200, 0xf000) 232 233 AVR_INSN (rcall, "L", "1101LLLLLLLLLLLL", 1, AVR_ISA_1200, 0xd000) 234 AVR_INSN (rjmp, "L", "1100LLLLLLLLLLLL", 1, AVR_ISA_1200, 0xc000) 235 236 AVR_INSN (call, "h", "1001010hhhhh111h", 2, AVR_ISA_MEGA, 0x940e) 237 AVR_INSN (jmp, "h", "1001010hhhhh110h", 2, AVR_ISA_MEGA, 0x940c) 238 239 AVR_INSN (asr, "r", "1001010rrrrr0101", 1, AVR_ISA_1200, 0x9405) 240 AVR_INSN (com, "r", "1001010rrrrr0000", 1, AVR_ISA_1200, 0x9400) 241 AVR_INSN (dec, "r", "1001010rrrrr1010", 1, AVR_ISA_1200, 0x940a) 242 AVR_INSN (inc, "r", "1001010rrrrr0011", 1, AVR_ISA_1200, 0x9403) 243 AVR_INSN (lsr, "r", "1001010rrrrr0110", 1, AVR_ISA_1200, 0x9406) 244 AVR_INSN (neg, "r", "1001010rrrrr0001", 1, AVR_ISA_1200, 0x9401) 245 AVR_INSN (pop, "r", "1001000rrrrr1111", 1, AVR_ISA_2xxx, 0x900f) 246 AVR_INSN (push, "r", "1001001rrrrr1111", 1, AVR_ISA_2xxx, 0x920f) 247 AVR_INSN (ror, "r", "1001010rrrrr0111", 1, AVR_ISA_1200, 0x9407) 248 AVR_INSN (swap, "r", "1001010rrrrr0010", 1, AVR_ISA_1200, 0x9402) 249 250 /* Known to be decoded as `nop' by the old core. */ 251 AVR_INSN (movw, "v,v", "00000001ddddrrrr", 1, AVR_ISA_MUL, 0x0100) 252 AVR_INSN (muls, "d,d", "00000010ddddrrrr", 1, AVR_ISA_MUL, 0x0200) 253 AVR_INSN (mulsu,"a,a", "000000110ddd0rrr", 1, AVR_ISA_MUL, 0x0300) 254 AVR_INSN (fmul, "a,a", "000000110ddd1rrr", 1, AVR_ISA_MUL, 0x0308) 255 AVR_INSN (fmuls,"a,a", "000000111ddd0rrr", 1, AVR_ISA_MUL, 0x0380) 256 AVR_INSN (fmulsu,"a,a","000000111ddd1rrr", 1, AVR_ISA_MUL, 0x0388) 257 258 AVR_INSN (sts, "i,r", "1001001ddddd0000", 2, AVR_ISA_2xxx, 0x9200) 259 AVR_INSN (lds, "r,i", "1001000ddddd0000", 2, AVR_ISA_2xxx, 0x9000) 260 261 /* Special case for b+0, `e' must be next entry after `b', 262 b={Y=1,Z=0}, ee={X=11,Y=10,Z=00}, !=1 if -e or e+ or X. */ 263 AVR_INSN (ldd, "r,b", "10o0oo0dddddbooo", 1, AVR_ISA_2xxx, 0x8000) 264 AVR_INSN (ld, "r,e", "100!000dddddee-+", 1, AVR_ISA_1200, 0x8000) 265 AVR_INSN (std, "b,r", "10o0oo1rrrrrbooo", 1, AVR_ISA_2xxx, 0x8200) 266 AVR_INSN (st, "e,r", "100!001rrrrree-+", 1, AVR_ISA_1200, 0x8200) 267 268 /* These are for devices that don't exist yet 269 (>128K program memory, PC = EIND:Z). */ 270 AVR_INSN (eicall, "", "1001010100011001", 1, AVR_ISA_EIND, 0x9519) 271 AVR_INSN (eijmp, "", "1001010000011001", 1, AVR_ISA_EIND, 0x9419) 272 273