2004-10-10 21:27:30 +00:00
|
|
|
/*
|
|
|
|
|
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
|
|
|
|
|
* Scott McNutt <smcnutt@psyent.com>
|
|
|
|
|
*
|
2013-07-08 07:37:19 +00:00
|
|
|
* SPDX-License-Identifier: GPL-2.0+
|
2004-10-10 21:27:30 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#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_ */
|
