| /* |
| * (C) Copyright 2004, Psyent Corporation <www.psyent.com> |
| * Scott McNutt <smcnutt@psyent.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __ASM_NIOS2_OPCODES_H_ |
| #define __ASM_NIOS2_OPCODES_H_ |
| |
| #define OPCODE_OP(inst) ((inst) & 0x3f) |
| #define OPCODE_OPX(inst) (((inst)>>11) & 0x3f) |
| #define OPCODE_RA(inst) (((inst)>>27) & 01f) |
| #define OPCODE_RB(inst) (((inst)>>22) & 01f) |
| #define OPCODE_RC(inst) (((inst)>>17) & 01f) |
| |
| /* I-TYPE (immediate) and J-TYPE (jump) opcodes |
| */ |
| #define OPCODE_CALL 0x00 |
| #define OPCODE_LDBU 0x03 |
| #define OPCODE_ADDI 0x04 |
| #define OPCODE_STB 0x05 |
| #define OPCODE_BR 0x06 |
| #define OPCODE_LDB 0x07 |
| #define OPCODE_CMPGEI 0x08 |
| #define OPCODE_LDHU 0x0B |
| #define OPCODE_ANDI 0x0C |
| #define OPCODE_STH 0x0D |
| #define OPCODE_BGE 0x0E |
| #define OPCODE_LDH 0x0F |
| #define OPCODE_CMPLTI 0x10 |
| #define OPCODE_XORI 0x1C |
| #define OPCODE_ORI 0x14 |
| #define OPCODE_STW 0x15 |
| #define OPCODE_BLT 0x16 |
| #define OPCODE_LDW 0x17 |
| #define OPCODE_CMPNEI 0x18 |
| #define OPCODE_BNE 0x1E |
| #define OPCODE_CMPEQI 0x20 |
| #define OPCODE_LDBUIO 0x23 |
| #define OPCODE_MULI 0x24 |
| #define OPCODE_STBIO 0x25 |
| #define OPCODE_BEQ 0x26 |
| #define OPCODE_LDBIO 0x27 |
| #define OPCODE_CMPGEUI 0x28 |
| #define OPCODE_ANDHI 0x2C |
| #define OPCODE_STHIO 0x2D |
| #define OPCODE_BGEU 0x2E |
| #define OPCODE_LDHIO 0x2F |
| #define OPCODE_CMPLTUI 0x30 |
| #define OPCODE_CUSTOM 0x32 |
| #define OPCODE_INITD 0x33 |
| #define OPCODE_ORHI 0x34 |
| #define OPCODE_STWIO 0x35 |
| #define OPCODE_BLTU 0x36 |
| #define OPCODE_LDWIO 0x37 |
| #define OPCODE_RTYPE 0x3A |
| #define OPCODE_LDHUIO 0x2B |
| #define OPCODE_FLUSHD 0x3B |
| #define OPCODE_XORHI 0x3C |
| |
| /* R-Type (register) OPX field encodings |
| */ |
| #define OPCODE_ERET 0x01 |
| #define OPCODE_ROLI 0x02 |
| #define OPCODE_ROL 0x03 |
| #define OPCODE_FLUSHP 0x04 |
| #define OPCODE_RET 0x05 |
| #define OPCODE_NOR 0x06 |
| #define OPCODE_MULXUU 0x07 |
| #define OPCODE_CMPGE 0x08 |
| #define OPCODE_BRET 0x09 |
| #define OPCODE_ROR 0x0B |
| #define OPCODE_FLUSHI 0x0C |
| #define OPCODE_JMP 0x0D |
| #define OPCODE_AND 0x0E |
| |
| #define OPCODE_CMPLT 0x10 |
| #define OPCODE_SLLI 0x12 |
| #define OPCODE_SLL 0x13 |
| #define OPCODE_OR 0x16 |
| #define OPCODE_MULXSU 0x17 |
| #define OPCODE_CMPNE 0x18 |
| #define OPCODE_SRLI 0x1A |
| #define OPCODE_SRL 0x1B |
| #define OPCODE_NEXTPC 0x1C |
| #define OPCODE_CALLR 0x1D |
| #define OPCODE_XOR 0x1E |
| #define OPCODE_MULXSS 0x1F |
| |
| #define OPCODE_CMPEQ 0x20 |
| #define OPCODE_CMPLTU 0x30 |
| #define OPCODE_ADD 0x31 |
| #define OPCODE_DIVU 0x24 |
| #define OPCODE_DIV 0x25 |
| #define OPCODE_RDCTL 0x26 |
| #define OPCODE_MUL 0x27 |
| #define OPCODE_CMPGEU 0x28 |
| #define OPCODE_TRAP 0x2D |
| #define OPCODE_WRCTL 0x2E |
| |
| #define OPCODE_BREAK 0x34 |
| #define OPCODE_SYNC 0x36 |
| #define OPCODE_INITI 0x29 |
| #define OPCODE_SUB 0x39 |
| #define OPCODE_SRAI 0x3A |
| #define OPCODE_SRA 0x3B |
| |
| /*Full instruction encodings for R-Type, without the R's ;-) |
| * |
| * TODO: BREAK, BRET, ERET, RET, SYNC (as needed) |
| */ |
| #define OPC_TRAP 0x003b683a |
| |
| #endif /* __ASM_NIOS2_OPCODES_H_ */ |
