/* nds32.h -- Header file for nds32 opcode table

/* nds32.h -- Header file for nds32 opcode table
Copyright (C) 2012-2024 Free Software Foundation, Inc.
Contributed by Andes Technology Corporation.

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. */

#ifndef OPCODE_NDS32_H
#define OPCODE_NDS32_H

/* Registers. */
#define REG_R0 (0)
#define REG_R5 (5)
#define REG_R8 (8)
#define REG_R10 (10)
#define REG_R12 (12)
#define REG_R15 (15)
#define REG_R16 (16)
#define REG_R20 (20)
#define REG_TA (15)
#define REG_TP (25)
#define REG_FP (28)
#define REG_GP (29)
#define REG_LP (30)
#define REG_SP (31)

/* Macros for extracting fields or making an instruction. */
static const int nds32_r45map[] ATTRIBUTE_UNUSED =
{
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 16, 17, 18, 19
};

static const int nds32_r54map[] ATTRIBUTE_UNUSED =
{
0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, -1, -1, -1, -1,
12, 13, 14, 15, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1
};

#define N32_BIT(n) (1u << (n))
#define __MASK(n) (N32_BIT (n) - 1)
#define __MF(v, off, bs) (((v) & __MASK (bs)) << (off))
#define __GF(v, off, bs) (((v) >> off) & __MASK (bs))
#define __SEXT(v, bs) \
((((v) & __MASK ((bs))) ^ N32_BIT ((bs) - 1)) - N32_BIT ((bs) - 1))

/* Make nds32 instructions. */

#define N32_TYPE4(op6, rt5, ra5, rb5, rd5, sub5) \
(__MF (N32_OP6_##op6, 25, 6) | __MF (rt5, 20, 5) \
| __MF (ra5, 15, 5) | __MF (rb5, 10, 5) \
| __MF (rd5, 5, 5) | __MF (sub5, 0, 5))
#define N32_TYPE3(op6, rt5, ra5, rb5, sub10) \
(N32_TYPE4 (op6, rt5, ra5, rb5, 0, 0) \
| __MF (sub10, 0, 10))
#define N32_TYPE2(op6, rt5, ra5, imm15) \
(N32_TYPE3 (op6, rt5, ra5, 0, 0) | __MF (imm15, 0, 15))
#define N32_TYPE1(op6, rt5, imm20) \
(N32_TYPE2 (op6, rt5, 0, 0) | __MF (imm20, 0, 20))
#define N32_TYPE0(op6, imm25) \
(N32_TYPE1 (op6, 0, 0) | __MF (imm25, 0, 25))
#define N32_ALU1(sub, rt, ra, rb) \
N32_TYPE4 (ALU1, rt, ra, rb, 0, N32_ALU1_##sub)
#define N32_ALU1_SH(sub, rt, ra, rb, rd) \
N32_TYPE4 (ALU1, rt, ra, rb, rd, N32_ALU1_##sub)
#define N32_ALU2(sub, rt, ra, rb) \
N32_TYPE3 (ALU2, rt, ra, rb, N32_ALU2_##sub)
#define N32_BR1(sub, rt, ra, imm14s) \
N32_TYPE2 (BR1, rt, ra, (N32_BR1_##sub << 14) | (imm14s & __MASK (14)))
#define N32_BR2(sub, rt, imm16s) \
N32_TYPE1 (BR2, rt, (N32_BR2_##sub << 16) | (imm16s & __MASK (16)))
#define N32_BR3(sub, rt, imm11s, imm8s) \
N32_TYPE1 (BR3, rt, (N32_BR3_##sub << 19) \
| ((imm11s & __MASK (11)) << 8) \
| (imm8s & __MASK (8)))
#define N32_JI(sub, imm24s) \
N32_TYPE0 (JI, (N32_JI_##sub << 24) | (imm24s & __MASK (24)))
#define N32_JREG(sub, rt, rb, dtit, hint) \
N32_TYPE4(JREG, rt, 0, rb, (dtit << 3) | (hint & 7), N32_JREG_##sub)
#define N32_MEM(sub, rt, ra, rb, sv) \
N32_TYPE3 (MEM, rt, ra, rb, (sv << 8) | N32_MEM_##sub)

#define N16_TYPE55(op5, rt5, ra5) \
(0x8000 | __MF (N16_T55_##op5, 10, 5) | __MF (rt5, 5, 5) \
| __MF (ra5, 0, 5))
#define N16_TYPE45(op6, rt4, ra5) \
(0x8000 | __MF (N16_T45_##op6, 9, 6) | __MF (rt4, 5, 4) \
| __MF (ra5, 0, 5))
#define N16_TYPE333(op6, rt3, ra3, rb3) \
(0x8000 | __MF (N16_T333_##op6, 9, 6) | __MF (rt3, 6, 3) \
| __MF (ra3, 3, 3) | __MF (rb3, 0, 3))
#define N16_TYPE36(op6, rt3, imm6) \
(0x8000 | __MF (N16_T36_##op6, 9, 6) | __MF (rt3, 6, 3) \
| __MF (imm6, 0, 6))
#define N16_TYPE38(op4, rt3, imm8) \
(0x8000 | __MF (N16_T38_##op4, 11, 4) | __MF (rt3, 8, 3) \
| __MF (imm8, 0, 8))
#define N16_TYPE37(op4, rt3, ls, imm7) \
(0x8000 | __MF (N16_T37_##op4, 11, 4) | __MF (rt3, 8, 3) \
| __MF (imm7, 0, 7) | __MF (ls, 7, 1))
#define N16_TYPE5(op10, imm5) \
(0x8000 | __MF (N16_T5_##op10, 5, 10) | __MF (imm5, 0, 5))
#define N16_TYPE8(op7, imm8) \
(0x8000 | __MF (N16_T8_##op7, 8, 7) | __MF (imm8, 0, 8))
#define N16_TYPE9(op6, imm9) \
(0x8000 | __MF (N16_T9_##op6, 9, 6) | __MF (imm9, 0, 9))
#define N16_TYPE10(op5, imm10) \
(0x8000 | __MF (N16_T10_##op5, 10, 5) | __MF (imm10, 0, 10))
#define N16_TYPE25(op8, re, imm5) \
(0x8000 | __MF (N16_T25_##op8, 7, 8) | __MF (re, 5, 2) \
| __MF (imm5, 0, 5))

#define N16_MISC33(sub, rt, ra) \
N16_TYPE333 (MISC33, rt, ra, N16_MISC33_##sub)
#define N16_BFMI333(sub, rt, ra) \
N16_TYPE333 (BFMI333, rt, ra, N16_BFMI333_##sub)

/* Get instruction fields.

Macros used for handling 32-bit and 16-bit instructions are
prefixed with N32_ and N16_ respectively. */

#define N32_OP6(insn) (((insn) >> 25) & 0x3f)
#define N32_RT5(insn) (((insn) >> 20) & 0x1f)
#define N32_RT53(insn) (N32_RT5 (insn) & 0x7)
#define N32_RT54(insn) nds32_r54map[N32_RT5 (insn)]
#define N32_RA5(insn) (((insn) >> 15) & 0x1f)
#define N32_RA53(insn) (N32_RA5 (insn) & 0x7)
#define N32_RA54(insn) nds32_r54map[N32_RA5 (insn)]
#define N32_RB5(insn) (((insn) >> 10) & 0x1f)
#define N32_UB5(insn) (((insn) >> 10) & 0x1f)
#define N32_RB53(insn) (N32_RB5 (insn) & 0x7)
#define N32_RB54(insn) nds32_r54map[N32_RB5 (insn)]
#define N32_RD5(insn) (((insn) >> 5) & 0x1f)
#define N32_SH5(insn) (((insn) >> 5) & 0x1f)
#define N32_SUB5(insn) (((insn) >> 0) & 0x1f)
#define N32_SUB6(insn) (((insn) >> 0) & 0x3f)
#define N32_SWID(insn) (((insn) >> 5) & 0x3ff)
#define N32_IMMU(insn, bs) ((insn) & __MASK (bs))
#define N32_IMMS(insn, bs) ((signed) __SEXT ((insn), (bs)))
#define N32_IMM5U(insn) N32_IMMU (insn, 5)
#define N32_IMM12S(insn) N32_IMMS (insn, 12)
#define N32_IMM14S(insn) N32_IMMS (insn, 14)
#define N32_IMM15U(insn) N32_IMMU (insn, 15)
#define N32_IMM15S(insn) N32_IMMS (insn, 15)
#define N32_IMM16S(insn) N32_IMMS (insn, 16)
#define N32_IMM17S(insn) N32_IMMS (insn, 17)
#define N32_IMM20S(insn) N32_IMMS (insn, 20)
#define N32_IMM20U(insn) N32_IMMU (insn, 20)
#define N32_IMM24S(insn) N32_IMMS (insn, 24)

#define N16_RT5(insn) (((insn) >> 5) & 0x1f)
#define N16_RT4(insn) nds32_r45map[(((insn) >> 5) & 0xf)]
#define N16_RT3(insn) (((insn) >> 6) & 0x7)
#define N16_RT38(insn) (((insn) >> 8) & 0x7)
#define N16_RT8(insn) (((insn) >> 8) & 0x7)
#define N16_RA5(insn) ((insn) & 0x1f)
#define N16_RA3(insn) (((insn) >> 3) & 0x7)
#define N16_RB3(insn) ((insn) & 0x7)
#define N16_IMM3U(insn) N32_IMMU (insn, 3)
#define N16_IMM5U(insn) N32_IMMU (insn, 5)
#define N16_IMM5S(insn) N32_IMMS (insn, 5)
#define N16_IMM6U(insn) N32_IMMU (insn, 6)
#define N16_IMM7U(insn) N32_IMMU (insn, 7)
#define N16_IMM8S(insn) N32_IMMS (insn, 8)
#define N16_IMM9U(insn) N32_IMMU (insn, 9)
#define N16_IMM10S(insn) N32_IMMS (insn, 10)

#define IS_WITHIN_U(v, n) (((v) >> n) == 0)
#define IS_WITHIN_S(v, n) IS_WITHIN_U ((v) + (1 << ((n) - 1)), n)

/* Get fields for specific instruction. */
#define N32_JREG_T(insn) (((insn) >> 8) & 0x3)
#define N32_JREG_HINT(insn) (((insn) >> 5) & 0x7)
#define N32_BR2_SUB(insn) (((insn) >> 16) & 0xf)
#define N32_COP_SUB(insn) ((insn) & 0xf)
#define N32_COP_CP(insn) (((insn) >> 4) & 0x3)

/* Check fields. */
#define N32_IS_RT3(insn) (N32_RT5 (insn) < 8)
#define N32_IS_RA3(insn) (N32_RA5 (insn) < 8)
#define N32_IS_RB3(insn) (N32_RB5 (insn) < 8)
#define N32_IS_RT4(insn) (nds32_r54map[N32_RT5 (insn)] != -1)
#define N32_IS_RA4(insn) (nds32_r54map[N32_RA5 (insn)] != -1)
#define N32_IS_RB4(insn) (nds32_r54map[N32_RB5 (insn)] != -1)

/* These are opcodes for Nxx_TYPE macros.
They are prefixed by corresponding TYPE to avoid misusing. */

enum n32_opcodes
{
/* Main opcodes (OP6). */

N32_OP6_LBI = 0x0,
N32_OP6_LHI,
N32_OP6_LWI,
N32_OP6_LDI,
N32_OP6_LBI_BI,
N32_OP6_LHI_BI,
N32_OP6_LWI_BI,
N32_OP6_LDI_BI,

N32_OP6_SBI = 0x8,
N32_OP6_SHI,
N32_OP6_SWI,
N32_OP6_SDI,
N32_OP6_SBI_BI,
N32_OP6_SHI_BI,
N32_OP6_SWI_BI,
N32_OP6_SDI_BI,

N32_OP6_LBSI = 0x10,
N32_OP6_LHSI,
N32_OP6_LWSI,
N32_OP6_DPREFI,
N32_OP6_LBSI_BI,
N32_OP6_LHSI_BI,
N32_OP6_LWSI_BI,
N32_OP6_LBGP,

N32_OP6_LWC = 0x18,
N32_OP6_SWC,
N32_OP6_LDC,
N32_OP6_SDC,
N32_OP6_MEM,
N32_OP6_LSMW,
N32_OP6_HWGP,
N32_OP6_SBGP,

N32_OP6_ALU1 = 0x20,
N32_OP6_ALU2,
N32_OP6_MOVI,
N32_OP6_SETHI,
N32_OP6_JI,
N32_OP6_JREG,
N32_OP6_BR1,
N32_OP6_BR2,

N32_OP6_ADDI = 0x28,
N32_OP6_SUBRI,
N32_OP6_ANDI,
N32_OP6_XORI,
N32_OP6_ORI,
N32_OP6_BR3,
N32_OP6_SLTI,
N32_OP6_SLTSI,

N32_OP6_AEXT = 0x30,
N32_OP6_CEXT,
N32_OP6_MISC,
N32_OP6_BITCI,
N32_OP6_0x34,
N32_OP6_COP,
N32_OP6_0x36,
N32_OP6_0x37,

N32_OP6_SIMD = 0x38,

/* Sub-opcodes of specific opcode. */

/* bit-24 */
N32_BR1_BEQ = 0,
N32_BR1_BNE = 1,

/* bit[16:19] */
N32_BR2_SOP0 = 0,
N32_BR2_BEQZ = 2,
N32_BR2_BNEZ = 3,
N32_BR2_BGEZ = 4,
N32_BR2_BLTZ = 5,
N32_BR2_BGTZ = 6,
N32_BR2_BLEZ = 7,
N32_BR2_BGEZAL = 0xc,
N32_BR2_BLTZAL = 0xd,

/* bit-19 */
N32_BR3_BEQC = 0,
N32_BR3_BNEC = 1,

/* bit-24 */
N32_JI_J = 0,
N32_JI_JAL = 1,

/* bit[0:4] */
N32_JREG_JR = 0,
N32_JREG_JRAL = 1,
N32_JREG_JRNEZ = 2,
N32_JREG_JRALNEZ = 3,

/* bit[0:4] */
N32_ALU1_ADD_SLLI = 0x0,
N32_ALU1_SUB_SLLI,
N32_ALU1_AND_SLLI,
N32_ALU1_XOR_SLLI,
N32_ALU1_OR_SLLI,
N32_ALU1_ADD = 0x0,
N32_ALU1_SUB,
N32_ALU1_AND,
N32_ALU1_XOR,
N32_ALU1_OR,
N32_ALU1_NOR,
N32_ALU1_SLT,
N32_ALU1_SLTS,
N32_ALU1_SLLI = 0x8,
N32_ALU1_SRLI,
N32_ALU1_SRAI,
N32_ALU1_ROTRI,
N32_ALU1_SLL,
N32_ALU1_SRL,
N32_ALU1_SRA,
N32_ALU1_ROTR,
N32_ALU1_SEB = 0x10,
N32_ALU1_SEH,
N32_ALU1_BITC,
N32_ALU1_ZEH,
N32_ALU1_WSBH,
N32_ALU1_OR_SRLI,
N32_ALU1_DIVSR,
N32_ALU1_DIVR,
N32_ALU1_SVA = 0x18,
N32_ALU1_SVS,
N32_ALU1_CMOVZ,
N32_ALU1_CMOVN,
N32_ALU1_ADD_SRLI,
N32_ALU1_SUB_SRLI,
N32_ALU1_AND_SRLI,
N32_ALU1_XOR_SRLI,

/* bit[0:5], where bit[6:9] == 0 */
N32_ALU2_MAX = 0,
N32_ALU2_MIN,
N32_ALU2_AVE,
N32_ALU2_ABS,
N32_ALU2_CLIPS,
N32_ALU2_CLIP,
N32_ALU2_CLO,
N32_ALU2_CLZ,
N32_ALU2_BSET = 0x8,
N32_ALU2_BCLR,
N32_ALU2_BTGL,
N32_ALU2_BTST,
N32_ALU2_BSE,
N32_ALU2_BSP,
N32_ALU2_FFB,
N32_ALU2_FFMISM,
N32_ALU2_ADD_SC = 0x10,
N32_ALU2_SUB_SC,
N32_ALU2_ADD_WC,
N32_ALU2_SUB_WC,
N32_ALU2_KMxy,
N32_ALU2_0x15,
N32_ALU2_0x16,
N32_ALU2_FFZMISM,
N32_ALU2_KADD = 0x18,
N32_ALU2_KSUB,
N32_ALU2_KSLRAW,
N32_ALU2_KSLRAWu,
N32_ALU2_MFUSR = 0x20,
N32_ALU2_MTUSR,
N32_ALU2_0x22,
N32_ALU2_0x23,
N32_ALU2_MUL,
N32_ALU2_0x25,
N32_ALU2_0x26,
N32_ALU2_MULTS64 = 0x28,
N32_ALU2_MULT64,
N32_ALU2_MADDS64,
N32_ALU2_MADD64,
N32_ALU2_MSUBS64,
N32_ALU2_MSUB64,
N32_ALU2_DIVS,
N32_ALU2_DIV,
N32_ALU2_ADD64 = 0x30,
N32_ALU2_MULT32,
N32_ALU2_SMAL,
N32_ALU2_MADD32,
N32_ALU2_SUB64,
N32_ALU2_MSUB32,
N32_ALU2_0x36,
N32_ALU2_0x37,
N32_ALU2_RADD64 = 0x38,
N32_ALU2_URADD64,
N32_ALU2_KADD64,
N32_ALU2_UKADD64,
N32_ALU2_RSUB64,
N32_ALU2_URSUB64,
N32_ALU2_KSUB64,
N32_ALU2_UKSUB64,

/* bit[0:5], where bit[6:9] = 0001 */
N32_ALU2_SMAR64 = 0x0,
N32_ALU2_UMAR64,
N32_ALU2_SMSR64,
N32_ALU2_UMSR64,
N32_ALU2_KMAR64,
N32_ALU2_UKMAR64,
N32_ALU2_KMSR64,
N32_ALU2_UKMSR64,
N32_ALU2_SMALDA = 0x8,
N32_ALU2_SMSLDA,
N32_ALU2_SMALDS,
N32_ALU2_SMALBB,
N32_ALU2_FFBI = 0xe,
N32_ALU2_FLMISM = 0xf,
N32_ALU2_SMALXDA = 0x10,
N32_ALU2_SMSLXDA,
N32_ALU2_SMALXDS,
N32_ALU2_SMALBT,
N32_ALU2_SMALDRS = 0x1a,
N32_ALU2_SMALTT,
N32_ALU2_RDOV = 0x20,
N32_ALU2_CLROV,
N32_ALU2_MULSR64 = 0x28,
N32_ALU2_MULR64 = 0x29,
N32_ALU2_SMDS = 0x30,
N32_ALU2_SMXDS,
N32_ALU2_SMDRS,
N32_ALU2_MADDR32,
N32_ALU2_KMADRS,
N32_ALU2_MSUBR32,
N32_ALU2_KMADS,
N32_ALU2_KMAXDS,

/* bit[0:5], where bit[6:9] = 0010 */
N32_ALU2_KADD16 = 0x0,
N32_ALU2_KSUB16,
N32_ALU2_KCRAS16,
N32_ALU2_KCRSA16,
N32_ALU2_KADD8,
N32_ALU2_KSUB8,
N32_ALU2_WEXT,
N32_ALU2_WEXTI,
N32_ALU2_UKADD16 = 0x8,
N32_ALU2_UKSUB16,
N32_ALU2_UKCRAS16,
N32_ALU2_UKCRSA16,
N32_ALU2_UKADD8,
N32_ALU2_UKSUB8,
N32_ALU2_ONEOP = 0xf,
N32_ALU2_SMBB = 0x10,
N32_ALU2_SMBT,
N32_ALU2_SMTT,
N32_ALU2_KMABB = 0x15,
N32_ALU2_KMABT,
N32_ALU2_KMATT,
N32_ALU2_KMDA = 0x18,
N32_ALU2_KMXDA,
N32_ALU2_KMADA,
N32_ALU2_KMAXDA,
N32_ALU2_KMSDA,
N32_ALU2_KMSXDA,
N32_ALU2_RADD16 = 0x20,
N32_ALU2_RSUB16,
N32_ALU2_RCRAS16,
N32_ALU2_RCRSA16,
N32_ALU2_RADD8,
N32_ALU2_RSUB8,
N32_ALU2_RADDW,
N32_ALU2_RSUBW,
N32_ALU2_URADD16 = 0x28,
N32_ALU2_URSUB16,
N32_ALU2_URCRAS16,
N32_ALU2_URCRSA16,
N32_ALU2_URADD8,
N32_ALU2_URSUB8,
N32_ALU2_URADDW,
N32_ALU2_URSUBW,
N32_ALU2_ADD16 = 0x30,
N32_ALU2_SUB16,
N32_ALU2_CRAS16,
N32_ALU2_CRSA16,
N32_ALU2_ADD8,
N32_ALU2_SUB8,
N32_ALU2_BITREV,
N32_ALU2_BITREVI,
N32_ALU2_SMMUL = 0x38,
N32_ALU2_SMMULu,
N32_ALU2_KMMAC,
N32_ALU2_KMMACu,
N32_ALU2_KMMSB,
N32_ALU2_KMMSBu,
N32_ALU2_KWMMUL,
N32_ALU2_KWMMULu,

/* bit[0:5], where bit[6:9] = 0011 */
N32_ALU2_SMMWB = 0x0,
N32_ALU2_SMMWBu,
N32_ALU2_SMMWT,
N32_ALU2_SMMWTu,
N32_ALU2_KMMAWB,
N32_ALU2_KMMAWBu,
N32_ALU2_KMMAWT,
N32_ALU2_KMMAWTu,
N32_ALU2_PKTT16 = 0x8,
N32_ALU2_PKTB16,
N32_ALU2_PKBT16,
N32_ALU2_PKBB16,
N32_ALU2_0x10 = 0x10,
N32_ALU2_SCLIP16,
N32_ALU2_0x12,
N32_ALU2_SMAX16,
N32_ALU2_SMAX8 = 0x17,
N32_ALU2_0x18 = 0x18,
N32_ALU2_UCLIP16,
N32_ALU2_0x1a,
N32_ALU2_UMAX16,
N32_ALU2_UMAX8 = 0x1f,
N32_ALU2_SRA16 = 0x20,
N32_ALU2_SRA16u,
N32_ALU2_SRL16,
N32_ALU2_SRL16u,
N32_ALU2_SLL16,
N32_ALU2_KSLRA16,
N32_ALU2_KSLRA16u,
N32_ALU2_SRAu,
N32_ALU2_SRAI16 = 0x28,
N32_ALU2_SRAI16u,
N32_ALU2_SRLI16,
N32_ALU2_SRLI16u,
N32_ALU2_SLLI16,
N32_ALU2_KSLLI16,
N32_ALU2_KSLLI,
N32_ALU2_SRAIu,
N32_ALU2_CMPEQ16 = 0x30,
N32_ALU2_SCMPLT16,
N32_ALU2_SCMPLE16,
N32_ALU2_SMIN16,
N32_ALU2_CMPEQ8,
N32_ALU2_SCMPLT8,
N32_ALU2_SCMPLE8,
N32_ALU2_SMIN8,
N32_ALU2_0x38,
N32_ALU2_UCMPLT16 = 0x39,
N32_ALU2_UCMPLE16,
N32_ALU2_UMIN16,
N32_ALU2_0x3c,
N32_ALU2_UCMPLT8,
N32_ALU2_UCMPLE8,
N32_ALU2_UMIN8,

/* bit[0:5] */
N32_MEM_LB = 0,
N32_MEM_LH,
N32_MEM_LW,
N32_MEM_LD,
N32_MEM_LB_BI,
N32_MEM_LH_BI,
N32_MEM_LW_BI,
N32_MEM_LD_BI,
N32_MEM_SB,
N32_MEM_SH,
N32_MEM_SW,
N32_MEM_SD,
N32_MEM_SB_BI,
N32_MEM_SH_BI,
N32_MEM_SW_BI,
N32_MEM_SD_BI,
N32_MEM_LBS,
N32_MEM_LHS,
N32_MEM_LWS, /* Not used. */
N32_MEM_DPREF,
N32_MEM_LBS_BI,
N32_MEM_LHS_BI,
N32_MEM_LWS_BI, /* Not used. */
N32_MEM_0x17, /* Not used. */
N32_MEM_LLW,
N32_MEM_SCW,
N32_MEM_LBUP = 0x20,
N32_MEM_LWUP = 0x22,
N32_MEM_SBUP = 0x28,
N32_MEM_SWUP = 0x2a,

/* bit[0:1] */
N32_LSMW_LSMW = 0,
N32_LSMW_LSMWA,
N32_LSMW_LSMWZB,

/* bit[2:4] */
N32_LSMW_BI = 0,
N32_LSMW_BIM,
N32_LSMW_BD,
N32_LSMW_BDM,
N32_LSMW_AI,
N32_LSMW_AIM,
N32_LSMW_AD,
N32_LSMW_ADM,

/* bit[0:4] */
N32_MISC_STANDBY = 0,
N32_MISC_CCTL,
N32_MISC_MFSR,
N32_MISC_MTSR,
N32_MISC_IRET,
N32_MISC_TRAP,
N32_MISC_TEQZ,
N32_MISC_TNEZ,
N32_MISC_DSB = 0x8,
N32_MISC_ISB,
N32_MISC_BREAK,
N32_MISC_SYSCALL,
N32_MISC_MSYNC,
N32_MISC_ISYNC,
N32_MISC_TLBOP,
N32_MISC_SPECL,
N32_MISC_BPICK = 0x10,

/* bit[0:4] */
N32_SIMD_PBSAD = 0,
N32_SIMD_PBSADA = 1,

/* bit[0:3] */
N32_COP_CPE1 = 0,
N32_COP_MFCP,
N32_COP_CPLW,
N32_COP_CPLD,
N32_COP_CPE2,
N32_COP_CPE3 = 8,
N32_COP_MTCP,
N32_COP_CPSW,
N32_COP_CPSD,
N32_COP_CPE4,

/* cop/0 b[3:0] */
N32_FPU_FS1 = 0,
N32_FPU_MFCP,
N32_FPU_FLS,
N32_FPU_FLD,
N32_FPU_FS2,
N32_FPU_FD1 = 8,
N32_FPU_MTCP,
N32_FPU_FSS,
N32_FPU_FSD,
N32_FPU_FD2,

/* FS1 b[9:6] */
N32_FPU_FS1_FADDS = 0,
N32_FPU_FS1_FSUBS,
N32_FPU_FS1_FCPYNSS,
N32_FPU_FS1_FCPYSS,
N32_FPU_FS1_FMADDS,
N32_FPU_FS1_FMSUBS,
N32_FPU_FS1_FCMOVNS,
N32_FPU_FS1_FCMOVZS,
N32_FPU_FS1_FNMADDS,
N32_FPU_FS1_FNMSUBS,
N32_FPU_FS1_10,
N32_FPU_FS1_11,
N32_FPU_FS1_FMULS = 12,
N32_FPU_FS1_FDIVS,
N32_FPU_FS1_14,
N32_FPU_FS1_F2OP = 15,

/* FS1/F2OP b[14:10] */
N32_FPU_FS1_F2OP_FS2D = 0x00,
N32_FPU_FS1_F2OP_FSQRTS = 0x01,
N32_FPU_FS1_F2OP_FABSS = 0x05,
N32_FPU_FS1_F2OP_FUI2S = 0x08,
N32_FPU_FS1_F2OP_FSI2S = 0x0c,
N32_FPU_FS1_F2OP_FS2UI = 0x10,
N32_FPU_FS1_F2OP_FS2UI_Z = 0x14,
N32_FPU_FS1_F2OP_FS2SI = 0x18,
N32_FPU_FS1_F2OP_FS2SI_Z = 0x1c,

/* FS2 b[9:6] */
N32_FPU_FS2_FCMPEQS = 0x0,
N32_FPU_FS2_FCMPLTS = 0x2,
N32_FPU_FS2_FCMPLES = 0x4,
N32_FPU_FS2_FCMPUNS = 0x6,
N32_FPU_FS2_FCMPEQS_E = 0x1,
N32_FPU_FS2_FCMPLTS_E = 0x3,
N32_FPU_FS2_FCMPLES_E = 0x5,
N32_FPU_FS2_FCMPUNS_E = 0x7,

/* FD1 b[9:6] */
N32_FPU_FD1_FADDD = 0,
N32_FPU_FD1_FSUBD,
N32_FPU_FD1_FCPYNSD,
N32_FPU_FD1_FCPYSD,
N32_FPU_FD1_FMADDD,
N32_FPU_FD1_FMSUBD,
N32_FPU_FD1_FCMOVND,
N32_FPU_FD1_FCMOVZD,
N32_FPU_FD1_FNMADDD,
N32_FPU_FD1_FNMSUBD,
N32_FPU_FD1_10,
N32_FPU_FD1_11,
N32_FPU_FD1_FMULD = 12,
N32_FPU_FD1_FDIVD,
N32_FPU_FD1_14,
N32_FPU_FD1_F2OP = 15,

/* FD1/F2OP b[14:10] */
N32_FPU_FD1_F2OP_FD2S = 0x00,
N32_FPU_FD1_F2OP_FSQRTD = 0x01,
N32_FPU_FD1_F2OP_FABSD = 0x05,
N32_FPU_FD1_F2OP_FUI2D = 0x08,
N32_FPU_FD1_F2OP_FSI2D = 0x0c,
N32_FPU_FD1_F2OP_FD2UI = 0x10,
N32_FPU_FD1_F2OP_FD2UI_Z = 0x14,
N32_FPU_FD1_F2OP_FD2SI = 0x18,
N32_FPU_FD1_F2OP_FD2SI_Z = 0x1c,

/* FD2 b[9:6] */
N32_FPU_FD2_FCMPEQD = 0x0,
N32_FPU_FD2_FCMPLTD = 0x2,
N32_FPU_FD2_FCMPLED = 0x4,
N32_FPU_FD2_FCMPUND = 0x6,
N32_FPU_FD2_FCMPEQD_E = 0x1,
N32_FPU_FD2_FCMPLTD_E = 0x3,
N32_FPU_FD2_FCMPLED_E = 0x5,
N32_FPU_FD2_FCMPUND_E = 0x7,

/* MFCP b[9:6] */
N32_FPU_MFCP_FMFSR = 0x0,
N32_FPU_MFCP_FMFDR = 0x1,
N32_FPU_MFCP_XR = 0xc,

/* MFCP/XR b[14:10] */
N32_FPU_MFCP_XR_FMFCFG = 0x0,
N32_FPU_MFCP_XR_FMFCSR = 0x1,

/* MTCP b[9:6] */
N32_FPU_MTCP_FMTSR = 0x0,
N32_FPU_MTCP_FMTDR = 0x1,
N32_FPU_MTCP_XR = 0xc,

/* MTCP/XR b[14:10] */
N32_FPU_MTCP_XR_FMTCSR = 0x1
};

enum n16_opcodes
{
N16_T55_MOV55 = 0x0,
N16_T55_MOVI55 = 0x1,

N16_T45_0 = 0,
N16_T45_ADD45 = 0x4,
N16_T45_SUB45 = 0x5,
N16_T45_ADDI45 = 0x6,
N16_T45_SUBI45 = 0x7,
N16_T45_SRAI45 = 0x8,
N16_T45_SRLI45 = 0x9,
N16_T45_LWI45_FE = 0x19,
N16_T45_LWI450 = 0x1a,
N16_T45_SWI450 = 0x1b,
N16_T45_SLTS45 = 0x30,
N16_T45_SLT45 = 0x31,
N16_T45_SLTSI45 = 0x32,
N16_T45_SLTI45 = 0x33,
N16_T45_MOVPI45 = 0x3d,

N15_T44_MOVD44 = 0x7d,

N16_T333_0 = 0,
N16_T333_SLLI333 = 0xa,
N16_T333_BFMI333 = 0xb,
N16_T333_ADD333 = 0xc,
N16_T333_SUB333 = 0xd,
N16_T333_ADDI333 = 0xe,
N16_T333_SUBI333 = 0xf,
N16_T333_LWI333 = 0x10,
N16_T333_LWI333_BI = 0x11,
N16_T333_LHI333 = 0x12,
N16_T333_LBI333 = 0x13,
N16_T333_SWI333 = 0x14,
N16_T333_SWI333_BI = 0x15,
N16_T333_SHI333 = 0x16,
N16_T333_SBI333 = 0x17,
N16_T333_MISC33 = 0x3f,

N16_T36_ADDRI36_SP = 0x18,

N16_T37_XWI37 = 0x7,
N16_T37_XWI37SP = 0xe,

N16_T38_BEQZ38 = 0x8,
N16_T38_BNEZ38 = 0x9,
N16_T38_BEQS38 = 0xa,
N16_T38_BNES38 = 0xb,

N16_T5_JR5 = 0x2e8,
N16_T5_JRAL5 = 0x2e9,
N16_T5_EX9IT = 0x2ea,
/* 0x2eb reserved. */
N16_T5_RET5 = 0x2ec,
N16_T5_ADD5PC = 0x2ed,
/* 0x2e[ef] reserved. */
N16_T5_BREAK16 = 0x350,

N16_T8_J8 = 0x55,
N16_T8_BEQZS8 = 0x68,
N16_T8_BNEZS8 = 0x69,

/* N16_T9_BREAK16 = 0x35
Since v3, SWID of BREAK16 above 32 are used for encoding EX9.IT. */
N16_T9_EX9IT = 0x35,
N16_T9_IFCALL9 = 0x3c,

N16_T10_ADDI10S = 0x1b,

N16_T25_PUSH25 = 0xf8,
N16_T25_POP25 = 0xf9,

/* Sub-opcodes. */
N16_MISC33_0 = 0,
N16_MISC33_1 = 1,
N16_MISC33_NEG33 = 2,
N16_MISC33_NOT33 = 3,
N16_MISC33_MUL33 = 4,
N16_MISC33_XOR33 = 5,
N16_MISC33_AND33 = 6,
N16_MISC33_OR33 = 7,

N16_BFMI333_ZEB33 = 0,
N16_BFMI333_ZEH33 = 1,
N16_BFMI333_SEB33 = 2,
N16_BFMI333_SEH33 = 3,
N16_BFMI333_XLSB33 = 4,
N16_BFMI333_X11B33 = 5,
N16_BFMI333_BMSKI33 = 6,
N16_BFMI333_FEXTI33 = 7
};

/* These macros a deprecated. DO NOT use them anymore.
And please help rewrite code used them. */

/* 32-bit instructions without operands. */
#define INSN_SETHI 0x46000000
#define INSN_ORI 0x58000000
#define INSN_JR 0x4a000000
#define INSN_RET 0x4a000020
#define INSN_JAL 0x49000000
#define INSN_J 0x48000000
#define INSN_JRAL 0x4a000001
#define INSN_BGEZAL 0x4e0c0000
#define INSN_BLTZAL 0x4e0d0000
#define INSN_BEQ 0x4c000000
#define INSN_BNE 0x4c004000
#define INSN_BEQZ 0x4e020000
#define INSN_BNEZ 0x4e030000
#define INSN_BGEZ 0x4e040000
#define INSN_BLTZ 0x4e050000
#define INSN_BGTZ 0x4e060000
#define INSN_BLEZ 0x4e070000
#define INSN_MOVI 0x44000000
#define INSN_ADDI 0x50000000
#define INSN_ANDI 0x54000000
#define INSN_LDI 0x06000000
#define INSN_SDI 0x16000000
#define INSN_LW 0x38000002
#define INSN_LWI 0x04000000
#define INSN_LWSI 0x24000000
#define INSN_LWIP 0x0c000000
#define INSN_LHI 0x02000000
#define INSN_LHSI 0x22000000
#define INSN_LBI 0x00000000
#define INSN_LBSI 0x20000000
#define INSN_SWI 0x14000000
#define INSN_SWIP 0x1c000000
#define INSN_SHI 0x12000000
#define INSN_SBI 0x10000000
#define INSN_SLTI 0x5c000000
#define INSN_SLTSI 0x5e000000
#define INSN_ADD 0x40000000
#define INSN_SUB 0x40000001
#define INSN_SLT 0x40000006
#define INSN_SLTS 0x40000007
#define INSN_SLLI 0x40000008
#define INSN_SRLI 0x40000009
#define INSN_SRAI 0x4000000a
#define INSN_SEB 0x40000010
#define INSN_SEH 0x40000011
#define INSN_ZEB INSN_ANDI + 0xFF
#define INSN_ZEH 0x40000013
#define INSN_BREAK 0x6400000a
#define INSN_NOP 0x40000009
#define INSN_FLSI 0x30000000
#define INSN_FSSI 0x32000000
#define INSN_FLDI 0x34000000
#define INSN_FSDI 0x36000000
#define INSN_BEQC 0x5a000000
#define INSN_BNEC 0x5a080000
#define INSN_DSB 0x64000008
#define INSN_IFCALL 0x4e000000
#define INSN_IFRET 0x4a000060
#define INSN_BR1 0x4c000000
#define INSN_BR2 0x4e000000

/* 16-bit instructions without operand. */
#define INSN_MOV55 0x8000
#define INSN_MOVI55 0x8400
#define INSN_ADD45 0x8800
#define INSN_SUB45 0x8a00
#define INSN_ADDI45 0x8c00
#define INSN_SUBI45 0x8e00
#define INSN_SRAI45 0x9000
#define INSN_SRLI45 0x9200
#define INSN_SLLI333 0x9400
#define INSN_BFMI333 0x9600
#define INSN_ADD333 0x9800
#define INSN_SUB333 0x9a00
#define INSN_ADDI333 0x9c00
#define INSN_SUBI333 0x9e00
#define INSN_LWI333 0xa000
#define INSN_LWI333P 0xa200
#define INSN_LHI333 0xa400
#define INSN_LBI333 0xa600
#define INSN_SWI333 0xa800
#define INSN_SWI333P 0xaa00
#define INSN_SHI333 0xac00
#define INSN_SBI333 0xae00
#define INSN_RSV01 0xb000
#define INSN_RSV02 0xb200
#define INSN_LWI450 0xb400
#define INSN_SWI450 0xb600
#define INSN_LWI37 0xb800
#define INSN_SWI37 0xb880
#define INSN_BEQZ38 0xc000
#define INSN_BNEZ38 0xc800
#define INSN_BEQS38 0xd000
#define INSN_J8 0xd500
#define INSN_BNES38 0xd800
#define INSN_JR5 0xdd00
#define INSN_RET5 0xdd80
#define INSN_JRAL5 0xdd20
#define INSN_EX9_IT_2 0xdd40
#define INSN_SLTS45 0xe000
#define INSN_SLT45 0xe200
#define INSN_SLTSI45 0xe400
#define INSN_SLTI45 0xe600
#define INSN_BEQZS8 0xe800
#define INSN_BNEZS8 0xe900
#define INSN_BREAK16 0xea00
#define INSN_EX9_IT_1 0xea00
#define INSN_NOP16 0x9200
/* 16-bit version 2. */
#define INSN_ADDI10_SP 0xec00
#define INSN_LWI37SP 0xf000
#define INSN_SWI37SP 0xf080
/* 16-bit version 3. */
#define INSN_IFRET16 0x83ff
#define INSN_ADDRI36_SP 0xb000
#define INSN_LWI45_FE 0xb200
#define INSN_IFCALL9 0xf800
#define INSN_MISC33 0xfe00

/* Instruction with specific operands. */
#define INSN_ADDI_GP_TO_FP 0x51cd8000 /* BASELINE_V1. */
#define INSN_ADDIGP_TO_FP 0x3fc80000 /* BASELINE_V2. */
#define INSN_MOVI_TO_FP 0x45c00000
#define INSN_MFUSR_PC 0x420F8020
#define INSN_MFUSR_PC_MASK 0xFE0FFFFF

/* Instructions use $ta register as operand. */
#define INSN_SETHI_TA (INSN_SETHI | (REG_TA << 20))
#define INSN_ORI_TA (INSN_ORI | (REG_TA << 20) | (REG_TA << 15))
#define INSN_ADD_TA (INSN_ADD | (REG_TA << 20))
#define INSN_ADD45_TA (INSN_ADD45 | (REG_TA << 5))
#define INSN_JR5_TA (INSN_JR5 | (REG_TA << 0))
#define INSN_RET5_TA (INSN_RET5 | (REG_TA << 0))
#define INSN_JR_TA (INSN_JR | (REG_TA << 10))
#define INSN_RET_TA (INSN_RET | (REG_TA << 10))
#define INSN_JRAL_TA (INSN_JRAL | (REG_LP << 20) | (REG_TA << 10))
#define INSN_JRAL5_TA (INSN_JRAL5 | (REG_TA << 0))
#define INSN_BEQZ_TA (INSN_BEQZ | (REG_TA << 20))
#define INSN_BNEZ_TA (INSN_BNEZ | (REG_TA << 20))
#define INSN_MOVI_TA (INSN_MOVI | (REG_TA << 20))
#define INSN_BEQ_TA (INSN_BEQ | (REG_TA << 15))
#define INSN_BNE_TA (INSN_BNE | (REG_TA << 15))

/* Instructions use $r5 register as operand. */
#define INSN_BNE_R5 (INSN_BNE | (REG_R5 << 15))
#define INSN_BEQ_R5 (INSN_BEQ | (REG_R5 << 15))

#endif