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/* Opcode table for the Atmel AVR micro controllers.
Copyright (C) 2000-2021 Free Software Foundation, Inc.
Contributed by Denis Chertykov <denisc@overta.ru>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#define AVR_ISA_1200 0x0001 /* In the beginning there was ... */
#define AVR_ISA_LPM 0x0002 /* device has LPM */
#define AVR_ISA_LPMX 0x0004 /* device has LPM Rd,Z[+] */
#define AVR_ISA_SRAM 0x0008 /* device has SRAM (LD, ST, PUSH, POP, ...) */
#define AVR_ISA_TINY 0x0010 /* device has Tiny core specific encodings */
#define AVR_ISA_MEGA 0x0020 /* device has >8K program memory (JMP and CALL
supported, no 8K wrap on RJMP and RCALL) */
#define AVR_ISA_MUL 0x0040 /* device has new core (MUL, FMUL, ...) */
#define AVR_ISA_ELPM 0x0080 /* device has >64K program memory (ELPM) */
#define AVR_ISA_ELPMX 0x0100 /* device has ELPM Rd,Z[+] */
#define AVR_ISA_SPM 0x0200 /* device can program itself */
#define AVR_ISA_BRK 0x0400 /* device has BREAK (on-chip debug) */
#define AVR_ISA_EIND 0x0800 /* device has >128K program memory (none yet) */
#define AVR_ISA_MOVW 0x1000 /* device has MOVW */
#define AVR_ISA_SPMX 0x2000 /* device has SPM Z[+] */
#define AVR_ISA_DES 0x4000 /* device has DES */
#define AVR_ISA_RMW 0x8000 /* device has RMW instructions XCH,LAC,LAS,LAT */
#define AVR_ISA_TINY1 (AVR_ISA_1200 | AVR_ISA_LPM)
#define AVR_ISA_2xxx (AVR_ISA_TINY1 | AVR_ISA_SRAM)
#define AVR_ISA_2xxxa (AVR_ISA_1200 | AVR_ISA_SRAM)
/* For the attiny26 which is missing LPM Rd,Z+. */
#define AVR_ISA_2xxe (AVR_ISA_2xxx | AVR_ISA_LPMX)
#define AVR_ISA_RF401 (AVR_ISA_2xxx | AVR_ISA_MOVW | AVR_ISA_LPMX)
#define AVR_ISA_TINY2 (AVR_ISA_2xxx | AVR_ISA_MOVW | AVR_ISA_LPMX | \
AVR_ISA_SPM | AVR_ISA_BRK)
#define AVR_ISA_M603 (AVR_ISA_2xxx | AVR_ISA_MEGA)
#define AVR_ISA_M103 (AVR_ISA_M603 | AVR_ISA_ELPM)
#define AVR_ISA_M8 (AVR_ISA_2xxx | AVR_ISA_MUL | AVR_ISA_MOVW | \
AVR_ISA_LPMX | AVR_ISA_SPM)
#define AVR_ISA_PWMx (AVR_ISA_M8 | AVR_ISA_BRK)
#define AVR_ISA_M161 (AVR_ISA_M603 | AVR_ISA_MUL | AVR_ISA_MOVW | \
AVR_ISA_LPMX | AVR_ISA_SPM)
#define AVR_ISA_94K (AVR_ISA_M603 | AVR_ISA_MUL | AVR_ISA_MOVW | AVR_ISA_LPMX)
#define AVR_ISA_M323 (AVR_ISA_M161 | AVR_ISA_BRK)
#define AVR_ISA_M128 (AVR_ISA_M323 | AVR_ISA_ELPM | AVR_ISA_ELPMX)
#define AVR_ISA_M256 (AVR_ISA_M128 | AVR_ISA_EIND)
#define AVR_ISA_XMEGA (AVR_ISA_M256 | AVR_ISA_SPMX | AVR_ISA_DES)
#define AVR_ISA_XMEGAU (AVR_ISA_XMEGA | AVR_ISA_RMW)
#define AVR_ISA_AVR1 AVR_ISA_TINY1
#define AVR_ISA_AVR2 AVR_ISA_2xxx
#define AVR_ISA_AVR25 AVR_ISA_TINY2
#define AVR_ISA_AVR3 AVR_ISA_M603
#define AVR_ISA_AVR31 AVR_ISA_M103
#define AVR_ISA_AVR35 (AVR_ISA_AVR3 | AVR_ISA_MOVW | \
AVR_ISA_LPMX | AVR_ISA_SPM | AVR_ISA_BRK)
#define AVR_ISA_AVR3_ALL (AVR_ISA_AVR3 | AVR_ISA_AVR31 | AVR_ISA_AVR35)
#define AVR_ISA_AVR4 AVR_ISA_PWMx
#define AVR_ISA_AVR5 AVR_ISA_M323
#define AVR_ISA_AVR51 AVR_ISA_M128
#define AVR_ISA_AVR6 (AVR_ISA_1200 | AVR_ISA_LPM | AVR_ISA_LPMX | \
AVR_ISA_SRAM | AVR_ISA_MEGA | AVR_ISA_MUL | \
AVR_ISA_ELPM | AVR_ISA_ELPMX | AVR_ISA_SPM | \
AVR_ISA_BRK | AVR_ISA_EIND | AVR_ISA_MOVW)
#define AVR_ISA_AVRTINY (AVR_ISA_1200 | AVR_ISA_BRK | AVR_ISA_SRAM | \
AVR_ISA_TINY)
#define REGISTER_P(x) ((x) == 'r' \
|| (x) == 'd' \
|| (x) == 'w' \
|| (x) == 'a' \
|| (x) == 'v')
/* Undefined combination of operands - does the register
operand overlap with pre-decremented or post-incremented
pointer register (like ld r31,Z+)? */
#define AVR_UNDEF_P(x) (((x) & 0xFFED) == 0x91E5 || \
((x) & 0xFDEF) == 0x91AD || ((x) & 0xFDEF) == 0x91AE || \
((x) & 0xFDEF) == 0x91C9 || ((x) & 0xFDEF) == 0x91CA || \
((x) & 0xFDEF) == 0x91E1 || ((x) & 0xFDEF) == 0x91E2)
/* Is this a skip instruction {cpse,sbic,sbis,sbrc,sbrs}? */
#define AVR_SKIP_P(x) (((x) & 0xFC00) == 0x1000 || \
((x) & 0xFD00) == 0x9900 || ((x) & 0xFC08) == 0xFC00)
/* Is this `ldd r,b+0' or `std b+0,r' (b={Y,Z}, disassembled as
`ld r,b' or `st b,r' respectively - next opcode entry)? */
#define AVR_DISP0_P(x) (((x) & 0xFC07) == 0x8000)
/* Constraint letters:
r - any register
d - `ldi' register (r16-r31)
v - `movw' even register (r0, r2, ..., r28, r30)
a - `fmul' register (r16-r23)
w - `adiw' register (r24,r26,r28,r30)
e - pointer registers (X,Y,Z)
b - base pointer register and displacement ([YZ]+disp)
z - Z pointer register (for [e]lpm Rd,Z[+])
M - immediate value from 0 to 255
n - immediate value from 0 to 255 ( n = ~M ). Relocation impossible
N - immediate value from 0 to 255. Relocation impossible
s - immediate value from 0 to 7
P - Port address value from 0 to 63. (in, out)
p - Port address value from 0 to 31. (cbi, sbi, sbic, sbis)
K - immediate value from 0 to 63 (used in `adiw', `sbiw')
i - immediate value
j - 7 bit immediate value from 0x40 to 0xBF (for 16-bit 'lds'/'sts')
l - signed pc relative offset from -64 to 63
L - signed pc relative offset from -2048 to 2047
h - absolute code address (call, jmp)
S - immediate value from 0 to 7 (S = s << 4)
E - immediate value from 0 to 15, shifted left by 4 (des)
? - use this opcode entry if no parameters, else use next opcode entry
Order is important - some binary opcodes have more than one name,
the disassembler will only see the first match.
Remaining undefined opcodes (1699 total - some of them might work
as normal instructions if not all of the bits are decoded):
0x0001...0x00ff (255) (known to be decoded as `nop' by the old core)
"100100xxxxxxx011" (128) 0x9[0-3][0-9a-f][3b]
"100100xxxxxx1000" (64) 0x9[0-3][0-9a-f]8
"1001010xxxxx0100" (32) 0x9[45][0-9a-f]4
"1001010x001x1001" (4) 0x9[45][23]9
"1001010x01xx1001" (8) 0x9[45][4-7]9
"1001010x1xxx1001" (16) 0x9[45][8-9a-f]9
"1001010xxxxx1011" (32) 0x9[45][0-9a-f]b
"10010101001x1000" (2) 0x95[23]8
"1001010101xx1000" (4) 0x95[4-7]8
"1001010110111000" (1) 0x95b8
"1001010111111000" (1) 0x95f8 (`espm' removed in databook update)
"11111xxxxxxx1xxx" (1024) 0xf[8-9a-f][0-9a-f][8-9a-f]
*/
AVR_INSN (clc, "", "1001010010001000", 1, AVR_ISA_1200, 0x9488)
AVR_INSN (clh, "", "1001010011011000", 1, AVR_ISA_1200, 0x94d8)
AVR_INSN (cli, "", "1001010011111000", 1, AVR_ISA_1200, 0x94f8)
AVR_INSN (cln, "", "1001010010101000", 1, AVR_ISA_1200, 0x94a8)
AVR_INSN (cls, "", "1001010011001000", 1, AVR_ISA_1200, 0x94c8)
AVR_INSN (clt, "", "1001010011101000", 1, AVR_ISA_1200, 0x94e8)
AVR_INSN (clv, "", "1001010010111000", 1, AVR_ISA_1200, 0x94b8)
AVR_INSN (clz, "", "1001010010011000", 1, AVR_ISA_1200, 0x9498)
AVR_INSN (sec, "", "1001010000001000", 1, AVR_ISA_1200, 0x9408)
AVR_INSN (seh, "", "1001010001011000", 1, AVR_ISA_1200, 0x9458)
AVR_INSN (sei, "", "1001010001111000", 1, AVR_ISA_1200, 0x9478)
AVR_INSN (sen, "", "1001010000101000", 1, AVR_ISA_1200, 0x9428)
AVR_INSN (ses, "", "1001010001001000", 1, AVR_ISA_1200, 0x9448)
AVR_INSN (set, "", "1001010001101000", 1, AVR_ISA_1200, 0x9468)
AVR_INSN (sev, "", "1001010000111000", 1, AVR_ISA_1200, 0x9438)
AVR_INSN (sez, "", "1001010000011000", 1, AVR_ISA_1200, 0x9418)
/* Same as {cl,se}[chinstvz] above. */
AVR_INSN (bclr, "S", "100101001SSS1000", 1, AVR_ISA_1200, 0x9488)
AVR_INSN (bset, "S", "100101000SSS1000", 1, AVR_ISA_1200, 0x9408)
AVR_INSN (icall,"", "1001010100001001", 1, AVR_ISA_2xxxa,0x9509)
AVR_INSN (ijmp, "", "1001010000001001", 1, AVR_ISA_2xxxa,0x9409)
AVR_INSN (lpm, "?", "1001010111001000", 1, AVR_ISA_TINY1,0x95c8)
AVR_INSN (lpm, "r,z", "1001000ddddd010+", 1, AVR_ISA_LPMX, 0x9004)
AVR_INSN (elpm, "?", "1001010111011000", 1, AVR_ISA_ELPM, 0x95d8)
AVR_INSN (elpm, "r,z", "1001000ddddd011+", 1, AVR_ISA_ELPMX,0x9006)
AVR_INSN (nop, "", "0000000000000000", 1, AVR_ISA_1200, 0x0000)
AVR_INSN (ret, "", "1001010100001000", 1, AVR_ISA_1200, 0x9508)
AVR_INSN (reti, "", "1001010100011000", 1, AVR_ISA_1200, 0x9518)
AVR_INSN (sleep,"", "1001010110001000", 1, AVR_ISA_1200, 0x9588)
AVR_INSN (break,"", "1001010110011000", 1, AVR_ISA_BRK, 0x9598)
AVR_INSN (wdr, "", "1001010110101000", 1, AVR_ISA_1200, 0x95a8)
AVR_INSN (spm, "?", "1001010111101000", 1, AVR_ISA_SPM, 0x95e8)
AVR_INSN (spm, "z", "10010101111+1000", 1, AVR_ISA_SPMX, 0x95e8)
AVR_INSN (adc, "r,r", "000111rdddddrrrr", 1, AVR_ISA_1200, 0x1c00)
AVR_INSN (add, "r,r", "000011rdddddrrrr", 1, AVR_ISA_1200, 0x0c00)
AVR_INSN (and, "r,r", "001000rdddddrrrr", 1, AVR_ISA_1200, 0x2000)
AVR_INSN (cp, "r,r", "000101rdddddrrrr", 1, AVR_ISA_1200, 0x1400)
AVR_INSN (cpc, "r,r", "000001rdddddrrrr", 1, AVR_ISA_1200, 0x0400)
AVR_INSN (cpse, "r,r", "000100rdddddrrrr", 1, AVR_ISA_1200, 0x1000)
AVR_INSN (eor, "r,r", "001001rdddddrrrr", 1, AVR_ISA_1200, 0x2400)
AVR_INSN (mov, "r,r", "001011rdddddrrrr", 1, AVR_ISA_1200, 0x2c00)
AVR_INSN (mul, "r,r", "100111rdddddrrrr", 1, AVR_ISA_MUL, 0x9c00)
AVR_INSN (or, "r,r", "001010rdddddrrrr", 1, AVR_ISA_1200, 0x2800)
AVR_INSN (sbc, "r,r", "000010rdddddrrrr", 1, AVR_ISA_1200, 0x0800)
AVR_INSN (sub, "r,r", "000110rdddddrrrr", 1, AVR_ISA_1200, 0x1800)
/* Shorthand for {eor,add,adc,and} r,r above. */
AVR_INSN (clr, "r=r", "001001rdddddrrrr", 1, AVR_ISA_1200, 0x2400)
AVR_INSN (lsl, "r=r", "000011rdddddrrrr", 1, AVR_ISA_1200, 0x0c00)
AVR_INSN (rol, "r=r", "000111rdddddrrrr", 1, AVR_ISA_1200, 0x1c00)
AVR_INSN (tst, "r=r", "001000rdddddrrrr", 1, AVR_ISA_1200, 0x2000)
AVR_INSN (andi, "d,M", "0111KKKKddddKKKK", 1, AVR_ISA_1200, 0x7000)
/*XXX special case*/
AVR_INSN (cbr, "d,n", "0111KKKKddddKKKK", 1, AVR_ISA_1200, 0x7000)
AVR_INSN (ldi, "d,M", "1110KKKKddddKKKK", 1, AVR_ISA_1200, 0xe000)
AVR_INSN (ser, "d", "11101111dddd1111", 1, AVR_ISA_1200, 0xef0f)
AVR_INSN (ori, "d,M", "0110KKKKddddKKKK", 1, AVR_ISA_1200, 0x6000)
AVR_INSN (sbr, "d,M", "0110KKKKddddKKKK", 1, AVR_ISA_1200, 0x6000)
AVR_INSN (cpi, "d,M", "0011KKKKddddKKKK", 1, AVR_ISA_1200, 0x3000)
AVR_INSN (sbci, "d,M", "0100KKKKddddKKKK", 1, AVR_ISA_1200, 0x4000)
AVR_INSN (subi, "d,M", "0101KKKKddddKKKK", 1, AVR_ISA_1200, 0x5000)
AVR_INSN (sbrc, "r,s", "1111110rrrrr0sss", 1, AVR_ISA_1200, 0xfc00)
AVR_INSN (sbrs, "r,s", "1111111rrrrr0sss", 1, AVR_ISA_1200, 0xfe00)
AVR_INSN (bld, "r,s", "1111100ddddd0sss", 1, AVR_ISA_1200, 0xf800)
AVR_INSN (bst, "r,s", "1111101ddddd0sss", 1, AVR_ISA_1200, 0xfa00)
AVR_INSN (in, "r,P", "10110PPdddddPPPP", 1, AVR_ISA_1200, 0xb000)
AVR_INSN (out, "P,r", "10111PPrrrrrPPPP", 1, AVR_ISA_1200, 0xb800)
AVR_INSN (adiw, "w,K", "10010110KKddKKKK", 1, AVR_ISA_2xxx, 0x9600)
AVR_INSN (sbiw, "w,K", "10010111KKddKKKK", 1, AVR_ISA_2xxx, 0x9700)
AVR_INSN (cbi, "p,s", "10011000pppppsss", 1, AVR_ISA_1200, 0x9800)
AVR_INSN (sbi, "p,s", "10011010pppppsss", 1, AVR_ISA_1200, 0x9a00)
AVR_INSN (sbic, "p,s", "10011001pppppsss", 1, AVR_ISA_1200, 0x9900)
AVR_INSN (sbis, "p,s", "10011011pppppsss", 1, AVR_ISA_1200, 0x9b00)
AVR_INSN (brcc, "l", "111101lllllll000", 1, AVR_ISA_1200, 0xf400)
AVR_INSN (brcs, "l", "111100lllllll000", 1, AVR_ISA_1200, 0xf000)
AVR_INSN (breq, "l", "111100lllllll001", 1, AVR_ISA_1200, 0xf001)
AVR_INSN (brge, "l", "111101lllllll100", 1, AVR_ISA_1200, 0xf404)
AVR_INSN (brhc, "l", "111101lllllll101", 1, AVR_ISA_1200, 0xf405)
AVR_INSN (brhs, "l", "111100lllllll101", 1, AVR_ISA_1200, 0xf005)
AVR_INSN (brid, "l", "111101lllllll111", 1, AVR_ISA_1200, 0xf407)
AVR_INSN (brie, "l", "111100lllllll111", 1, AVR_ISA_1200, 0xf007)
AVR_INSN (brlo, "l", "111100lllllll000", 1, AVR_ISA_1200, 0xf000)
AVR_INSN (brlt, "l", "111100lllllll100", 1, AVR_ISA_1200, 0xf004)
AVR_INSN (brmi, "l", "111100lllllll010", 1, AVR_ISA_1200, 0xf002)
AVR_INSN (brne, "l", "111101lllllll001", 1, AVR_ISA_1200, 0xf401)
AVR_INSN (brpl, "l", "111101lllllll010", 1, AVR_ISA_1200, 0xf402)
AVR_INSN (brsh, "l", "111101lllllll000", 1, AVR_ISA_1200, 0xf400)
AVR_INSN (brtc, "l", "111101lllllll110", 1, AVR_ISA_1200, 0xf406)
AVR_INSN (brts, "l", "111100lllllll110", 1, AVR_ISA_1200, 0xf006)
AVR_INSN (brvc, "l", "111101lllllll011", 1, AVR_ISA_1200, 0xf403)
AVR_INSN (brvs, "l", "111100lllllll011", 1, AVR_ISA_1200, 0xf003)
/* Same as br?? above. */
AVR_INSN (brbc, "s,l", "111101lllllllsss", 1, AVR_ISA_1200, 0xf400)
AVR_INSN (brbs, "s,l", "111100lllllllsss", 1, AVR_ISA_1200, 0xf000)
AVR_INSN (rcall, "L", "1101LLLLLLLLLLLL", 1, AVR_ISA_1200, 0xd000)
AVR_INSN (rjmp, "L", "1100LLLLLLLLLLLL", 1, AVR_ISA_1200, 0xc000)
AVR_INSN (call, "h", "1001010hhhhh111h", 2, AVR_ISA_MEGA, 0x940e)
AVR_INSN (jmp, "h", "1001010hhhhh110h", 2, AVR_ISA_MEGA, 0x940c)
AVR_INSN (asr, "r", "1001010rrrrr0101", 1, AVR_ISA_1200, 0x9405)
AVR_INSN (com, "r", "1001010rrrrr0000", 1, AVR_ISA_1200, 0x9400)
AVR_INSN (dec, "r", "1001010rrrrr1010", 1, AVR_ISA_1200, 0x940a)
AVR_INSN (inc, "r", "1001010rrrrr0011", 1, AVR_ISA_1200, 0x9403)
AVR_INSN (lsr, "r", "1001010rrrrr0110", 1, AVR_ISA_1200, 0x9406)
AVR_INSN (neg, "r", "1001010rrrrr0001", 1, AVR_ISA_1200, 0x9401)
AVR_INSN (pop, "r", "1001000rrrrr1111", 1, AVR_ISA_2xxxa,0x900f)
AVR_INSN (push, "r", "1001001rrrrr1111", 1, AVR_ISA_2xxxa,0x920f)
AVR_INSN (ror, "r", "1001010rrrrr0111", 1, AVR_ISA_1200, 0x9407)
AVR_INSN (swap, "r", "1001010rrrrr0010", 1, AVR_ISA_1200, 0x9402)
/* Atomic memory operations for XMEGA. List before `sts'. */
AVR_INSN (xch, "z,r", "1001001rrrrr0100", 1, AVR_ISA_RMW, 0x9204)
AVR_INSN (las, "z,r", "1001001rrrrr0101", 1, AVR_ISA_RMW, 0x9205)
AVR_INSN (lac, "z,r", "1001001rrrrr0110", 1, AVR_ISA_RMW, 0x9206)
AVR_INSN (lat, "z,r", "1001001rrrrr0111", 1, AVR_ISA_RMW, 0x9207)
/* Known to be decoded as `nop' by the old core. */
AVR_INSN (movw, "v,v", "00000001ddddrrrr", 1, AVR_ISA_MOVW, 0x0100)
AVR_INSN (muls, "d,d", "00000010ddddrrrr", 1, AVR_ISA_MUL, 0x0200)
AVR_INSN (mulsu,"a,a", "000000110ddd0rrr", 1, AVR_ISA_MUL, 0x0300)
AVR_INSN (fmul, "a,a", "000000110ddd1rrr", 1, AVR_ISA_MUL, 0x0308)
AVR_INSN (fmuls,"a,a", "000000111ddd0rrr", 1, AVR_ISA_MUL, 0x0380)
AVR_INSN (fmulsu,"a,a","000000111ddd1rrr", 1, AVR_ISA_MUL, 0x0388)
AVR_INSN (sts, "j,d", "10101kkkddddkkkk", 1, AVR_ISA_TINY, 0xA800)
AVR_INSN (sts, "i,r", "1001001ddddd0000", 2, AVR_ISA_2xxx, 0x9200)
AVR_INSN (lds, "d,j", "10100kkkddddkkkk", 1, AVR_ISA_TINY, 0xA000)
AVR_INSN (lds, "r,i", "1001000ddddd0000", 2, AVR_ISA_2xxx, 0x9000)
/* Special case for b+0, `e' must be next entry after `b',
b={Y=1,Z=0}, ee={X=11,Y=10,Z=00}, !=1 if -e or e+ or X. */
AVR_INSN (ldd, "r,b", "10o0oo0dddddbooo", 1, AVR_ISA_2xxx, 0x8000)
AVR_INSN (ld, "r,e", "100!000dddddee-+", 1, AVR_ISA_1200, 0x8000)
AVR_INSN (std, "b,r", "10o0oo1rrrrrbooo", 1, AVR_ISA_2xxx, 0x8200)
AVR_INSN (st, "e,r", "100!001rrrrree-+", 1, AVR_ISA_1200, 0x8200)
/* These are for devices that don't exist yet
(>128K program memory, PC = EIND:Z). */
AVR_INSN (eicall, "", "1001010100011001", 1, AVR_ISA_EIND, 0x9519)
AVR_INSN (eijmp, "", "1001010000011001", 1, AVR_ISA_EIND, 0x9419)
/* DES instruction for encryption and decryption. */
AVR_INSN (des, "E", "10010100EEEE1011", 1, AVR_ISA_DES, 0x940B)
/* Operands are evaluated by hand and won't pop new fux-ups.
The pseudo-insn is hidden behind NOP so that avr-dis.c don't see it. */
AVR_INSN (__gcc_isr, "", "0000000000000000", 1, AVR_ISA_1200, 0x0)
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