1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2004, Psyent Corporation <www.psyent.com> 3*4882a593Smuzhiyun * Scott McNutt <smcnutt@psyent.com> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __ASM_NIOS2_OPCODES_H_ 9*4882a593Smuzhiyun #define __ASM_NIOS2_OPCODES_H_ 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #define OPCODE_OP(inst) ((inst) & 0x3f) 12*4882a593Smuzhiyun #define OPCODE_OPX(inst) (((inst)>>11) & 0x3f) 13*4882a593Smuzhiyun #define OPCODE_RA(inst) (((inst)>>27) & 01f) 14*4882a593Smuzhiyun #define OPCODE_RB(inst) (((inst)>>22) & 01f) 15*4882a593Smuzhiyun #define OPCODE_RC(inst) (((inst)>>17) & 01f) 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* I-TYPE (immediate) and J-TYPE (jump) opcodes 18*4882a593Smuzhiyun */ 19*4882a593Smuzhiyun #define OPCODE_CALL 0x00 20*4882a593Smuzhiyun #define OPCODE_LDBU 0x03 21*4882a593Smuzhiyun #define OPCODE_ADDI 0x04 22*4882a593Smuzhiyun #define OPCODE_STB 0x05 23*4882a593Smuzhiyun #define OPCODE_BR 0x06 24*4882a593Smuzhiyun #define OPCODE_LDB 0x07 25*4882a593Smuzhiyun #define OPCODE_CMPGEI 0x08 26*4882a593Smuzhiyun #define OPCODE_LDHU 0x0B 27*4882a593Smuzhiyun #define OPCODE_ANDI 0x0C 28*4882a593Smuzhiyun #define OPCODE_STH 0x0D 29*4882a593Smuzhiyun #define OPCODE_BGE 0x0E 30*4882a593Smuzhiyun #define OPCODE_LDH 0x0F 31*4882a593Smuzhiyun #define OPCODE_CMPLTI 0x10 32*4882a593Smuzhiyun #define OPCODE_XORI 0x1C 33*4882a593Smuzhiyun #define OPCODE_ORI 0x14 34*4882a593Smuzhiyun #define OPCODE_STW 0x15 35*4882a593Smuzhiyun #define OPCODE_BLT 0x16 36*4882a593Smuzhiyun #define OPCODE_LDW 0x17 37*4882a593Smuzhiyun #define OPCODE_CMPNEI 0x18 38*4882a593Smuzhiyun #define OPCODE_BNE 0x1E 39*4882a593Smuzhiyun #define OPCODE_CMPEQI 0x20 40*4882a593Smuzhiyun #define OPCODE_LDBUIO 0x23 41*4882a593Smuzhiyun #define OPCODE_MULI 0x24 42*4882a593Smuzhiyun #define OPCODE_STBIO 0x25 43*4882a593Smuzhiyun #define OPCODE_BEQ 0x26 44*4882a593Smuzhiyun #define OPCODE_LDBIO 0x27 45*4882a593Smuzhiyun #define OPCODE_CMPGEUI 0x28 46*4882a593Smuzhiyun #define OPCODE_ANDHI 0x2C 47*4882a593Smuzhiyun #define OPCODE_STHIO 0x2D 48*4882a593Smuzhiyun #define OPCODE_BGEU 0x2E 49*4882a593Smuzhiyun #define OPCODE_LDHIO 0x2F 50*4882a593Smuzhiyun #define OPCODE_CMPLTUI 0x30 51*4882a593Smuzhiyun #define OPCODE_CUSTOM 0x32 52*4882a593Smuzhiyun #define OPCODE_INITD 0x33 53*4882a593Smuzhiyun #define OPCODE_ORHI 0x34 54*4882a593Smuzhiyun #define OPCODE_STWIO 0x35 55*4882a593Smuzhiyun #define OPCODE_BLTU 0x36 56*4882a593Smuzhiyun #define OPCODE_LDWIO 0x37 57*4882a593Smuzhiyun #define OPCODE_RTYPE 0x3A 58*4882a593Smuzhiyun #define OPCODE_LDHUIO 0x2B 59*4882a593Smuzhiyun #define OPCODE_FLUSHD 0x3B 60*4882a593Smuzhiyun #define OPCODE_XORHI 0x3C 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun /* R-Type (register) OPX field encodings 63*4882a593Smuzhiyun */ 64*4882a593Smuzhiyun #define OPCODE_ERET 0x01 65*4882a593Smuzhiyun #define OPCODE_ROLI 0x02 66*4882a593Smuzhiyun #define OPCODE_ROL 0x03 67*4882a593Smuzhiyun #define OPCODE_FLUSHP 0x04 68*4882a593Smuzhiyun #define OPCODE_RET 0x05 69*4882a593Smuzhiyun #define OPCODE_NOR 0x06 70*4882a593Smuzhiyun #define OPCODE_MULXUU 0x07 71*4882a593Smuzhiyun #define OPCODE_CMPGE 0x08 72*4882a593Smuzhiyun #define OPCODE_BRET 0x09 73*4882a593Smuzhiyun #define OPCODE_ROR 0x0B 74*4882a593Smuzhiyun #define OPCODE_FLUSHI 0x0C 75*4882a593Smuzhiyun #define OPCODE_JMP 0x0D 76*4882a593Smuzhiyun #define OPCODE_AND 0x0E 77*4882a593Smuzhiyun 78*4882a593Smuzhiyun #define OPCODE_CMPLT 0x10 79*4882a593Smuzhiyun #define OPCODE_SLLI 0x12 80*4882a593Smuzhiyun #define OPCODE_SLL 0x13 81*4882a593Smuzhiyun #define OPCODE_OR 0x16 82*4882a593Smuzhiyun #define OPCODE_MULXSU 0x17 83*4882a593Smuzhiyun #define OPCODE_CMPNE 0x18 84*4882a593Smuzhiyun #define OPCODE_SRLI 0x1A 85*4882a593Smuzhiyun #define OPCODE_SRL 0x1B 86*4882a593Smuzhiyun #define OPCODE_NEXTPC 0x1C 87*4882a593Smuzhiyun #define OPCODE_CALLR 0x1D 88*4882a593Smuzhiyun #define OPCODE_XOR 0x1E 89*4882a593Smuzhiyun #define OPCODE_MULXSS 0x1F 90*4882a593Smuzhiyun 91*4882a593Smuzhiyun #define OPCODE_CMPEQ 0x20 92*4882a593Smuzhiyun #define OPCODE_CMPLTU 0x30 93*4882a593Smuzhiyun #define OPCODE_ADD 0x31 94*4882a593Smuzhiyun #define OPCODE_DIVU 0x24 95*4882a593Smuzhiyun #define OPCODE_DIV 0x25 96*4882a593Smuzhiyun #define OPCODE_RDCTL 0x26 97*4882a593Smuzhiyun #define OPCODE_MUL 0x27 98*4882a593Smuzhiyun #define OPCODE_CMPGEU 0x28 99*4882a593Smuzhiyun #define OPCODE_TRAP 0x2D 100*4882a593Smuzhiyun #define OPCODE_WRCTL 0x2E 101*4882a593Smuzhiyun 102*4882a593Smuzhiyun #define OPCODE_BREAK 0x34 103*4882a593Smuzhiyun #define OPCODE_SYNC 0x36 104*4882a593Smuzhiyun #define OPCODE_INITI 0x29 105*4882a593Smuzhiyun #define OPCODE_SUB 0x39 106*4882a593Smuzhiyun #define OPCODE_SRAI 0x3A 107*4882a593Smuzhiyun #define OPCODE_SRA 0x3B 108*4882a593Smuzhiyun 109*4882a593Smuzhiyun /*Full instruction encodings for R-Type, without the R's ;-) 110*4882a593Smuzhiyun * 111*4882a593Smuzhiyun * TODO: BREAK, BRET, ERET, RET, SYNC (as needed) 112*4882a593Smuzhiyun */ 113*4882a593Smuzhiyun #define OPC_TRAP 0x003b683a 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun #endif /* __ASM_NIOS2_OPCODES_H_ */ 116