1/* nds32.h -- Header file for nds32 opcode table
2   Copyright (C) 2012-2022 Free Software Foundation, Inc.
3   Contributed by Andes Technology Corporation.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3, or (at your option)
8   any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software
17   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
18   02110-1301, USA.  */
19
20#ifndef OPCODE_NDS32_H
21#define OPCODE_NDS32_H
22
23/* Registers.  */
24#define REG_R0		(0)
25#define REG_R5		(5)
26#define REG_R8		(8)
27#define REG_R10		(10)
28#define REG_R12		(12)
29#define REG_R15		(15)
30#define REG_R16		(16)
31#define REG_R20		(20)
32#define REG_TA		(15)
33#define REG_TP		(25)
34#define REG_FP		(28)
35#define REG_GP		(29)
36#define REG_LP		(30)
37#define REG_SP		(31)
38
39/* Macros for extracting fields or making an instruction.  */
40static const int nds32_r45map[] ATTRIBUTE_UNUSED =
41{
42  0, 1, 2,  3,  4,  5,  6,  7,
43  8, 9, 10, 11, 16, 17, 18, 19
44};
45
46static const int nds32_r54map[] ATTRIBUTE_UNUSED =
47{
48   0,  1,  2,  3,  4,  5,  6,  7,
49   8,  9, 10, 11, -1, -1, -1, -1,
50  12, 13, 14, 15, -1, -1, -1, -1,
51  -1, -1, -1, -1, -1, -1, -1, -1
52};
53
54#define N32_BIT(n)		(1u << (n))
55#define __MASK(n)		(N32_BIT (n) - 1)
56#define __MF(v, off, bs)	(((v) & __MASK (bs)) << (off))
57#define __GF(v, off, bs)	(((v) >> off) & __MASK (bs))
58#define __SEXT(v, bs)		\
59  ((((v) & __MASK ((bs))) ^ N32_BIT ((bs) - 1)) - N32_BIT ((bs) - 1))
60
61/* Make nds32 instructions.  */
62
63#define N32_TYPE4(op6, rt5, ra5, rb5, rd5, sub5)  \
64	(__MF (N32_OP6_##op6, 25, 6) | __MF (rt5, 20, 5) \
65	 | __MF (ra5, 15, 5) | __MF (rb5, 10, 5) \
66	 | __MF (rd5, 5, 5) | __MF (sub5, 0, 5))
67#define N32_TYPE3(op6, rt5, ra5, rb5, sub10) \
68	(N32_TYPE4 (op6, rt5, ra5, rb5, 0, 0) \
69	 | __MF (sub10, 0, 10))
70#define N32_TYPE2(op6, rt5, ra5, imm15)	\
71	(N32_TYPE3 (op6, rt5, ra5, 0, 0) | __MF (imm15, 0, 15))
72#define N32_TYPE1(op6, rt5, imm20) \
73	(N32_TYPE2 (op6, rt5, 0, 0) | __MF (imm20, 0, 20))
74#define N32_TYPE0(op6, imm25) \
75	(N32_TYPE1 (op6, 0, 0) | __MF (imm25, 0, 25))
76#define N32_ALU1(sub, rt, ra, rb) \
77	N32_TYPE4 (ALU1, rt, ra, rb, 0, N32_ALU1_##sub)
78#define N32_ALU1_SH(sub, rt, ra, rb, rd) \
79	N32_TYPE4 (ALU1, rt, ra, rb, rd, N32_ALU1_##sub)
80#define N32_ALU2(sub, rt, ra, rb) \
81	N32_TYPE3 (ALU2, rt, ra, rb, N32_ALU2_##sub)
82#define N32_BR1(sub, rt, ra, imm14s) \
83	N32_TYPE2 (BR1, rt, ra, (N32_BR1_##sub << 14) | (imm14s & __MASK (14)))
84#define N32_BR2(sub, rt, imm16s) \
85	N32_TYPE1 (BR2, rt, (N32_BR2_##sub << 16) | (imm16s & __MASK (16)))
86#define N32_BR3(sub, rt, imm11s, imm8s) \
87	N32_TYPE1 (BR3, rt, (N32_BR3_##sub << 19) \
88			    | ((imm11s & __MASK (11)) << 8) \
89			    | (imm8s & __MASK (8)))
90#define N32_JI(sub, imm24s) \
91	N32_TYPE0 (JI, (N32_JI_##sub << 24) | (imm24s & __MASK (24)))
92#define N32_JREG(sub, rt, rb, dtit, hint) \
93	N32_TYPE4(JREG, rt, 0, rb, (dtit << 3) | (hint & 7), N32_JREG_##sub)
94#define N32_MEM(sub, rt, ra, rb, sv) \
95	N32_TYPE3 (MEM, rt, ra, rb, (sv << 8) | N32_MEM_##sub)
96
97#define N16_TYPE55(op5, rt5, ra5) \
98	(0x8000 | __MF (N16_T55_##op5, 10, 5) | __MF (rt5, 5, 5) \
99	 | __MF (ra5, 0, 5))
100#define N16_TYPE45(op6, rt4, ra5) \
101	(0x8000 | __MF (N16_T45_##op6, 9, 6) | __MF (rt4, 5, 4) \
102	 | __MF (ra5, 0, 5))
103#define N16_TYPE333(op6, rt3, ra3, rb3)	\
104	(0x8000 | __MF (N16_T333_##op6, 9, 6) | __MF (rt3, 6, 3) \
105	 | __MF (ra3, 3, 3) | __MF (rb3, 0, 3))
106#define N16_TYPE36(op6, rt3, imm6) \
107	(0x8000 | __MF (N16_T36_##op6, 9, 6) | __MF (rt3, 6, 3) \
108	 | __MF (imm6, 0, 6))
109#define N16_TYPE38(op4, rt3, imm8) \
110	(0x8000 | __MF (N16_T38_##op4, 11, 4) | __MF (rt3, 8, 3) \
111	 | __MF (imm8, 0, 8))
112#define N16_TYPE37(op4, rt3, ls, imm7) \
113	(0x8000 | __MF (N16_T37_##op4, 11, 4) | __MF (rt3, 8, 3) \
114	 | __MF (imm7, 0, 7) | __MF (ls, 7, 1))
115#define N16_TYPE5(op10, imm5) \
116	(0x8000 | __MF (N16_T5_##op10, 5, 10) | __MF (imm5, 0, 5))
117#define N16_TYPE8(op7, imm8) \
118	(0x8000 | __MF (N16_T8_##op7, 8, 7) | __MF (imm8, 0, 8))
119#define N16_TYPE9(op6, imm9) \
120	(0x8000 | __MF (N16_T9_##op6, 9, 6) | __MF (imm9, 0, 9))
121#define N16_TYPE10(op5, imm10) \
122	(0x8000 | __MF (N16_T10_##op5, 10, 5) | __MF (imm10, 0, 10))
123#define N16_TYPE25(op8, re, imm5) \
124	(0x8000 | __MF (N16_T25_##op8, 7, 8) | __MF (re, 5, 2) \
125	 | __MF (imm5, 0, 5))
126
127#define N16_MISC33(sub, rt, ra) \
128	N16_TYPE333 (MISC33, rt, ra, N16_MISC33_##sub)
129#define N16_BFMI333(sub, rt, ra) \
130	N16_TYPE333 (BFMI333, rt, ra, N16_BFMI333_##sub)
131
132/* Get instruction fields.
133
134   Macros used for handling 32-bit and 16-bit instructions are
135   prefixed with N32_ and N16_ respectively.  */
136
137#define N32_OP6(insn)		(((insn) >> 25) & 0x3f)
138#define N32_RT5(insn)		(((insn) >> 20) & 0x1f)
139#define N32_RT53(insn)		(N32_RT5 (insn) & 0x7)
140#define N32_RT54(insn)		nds32_r54map[N32_RT5 (insn)]
141#define N32_RA5(insn)		(((insn) >> 15) & 0x1f)
142#define N32_RA53(insn)		(N32_RA5 (insn) & 0x7)
143#define N32_RA54(insn)		nds32_r54map[N32_RA5 (insn)]
144#define N32_RB5(insn)		(((insn) >> 10) & 0x1f)
145#define N32_UB5(insn)		(((insn) >> 10) & 0x1f)
146#define N32_RB53(insn)		(N32_RB5 (insn) & 0x7)
147#define N32_RB54(insn)		nds32_r54map[N32_RB5 (insn)]
148#define N32_RD5(insn)		(((insn) >> 5) & 0x1f)
149#define N32_SH5(insn)		(((insn) >> 5) & 0x1f)
150#define N32_SUB5(insn)		(((insn) >> 0) & 0x1f)
151#define N32_SUB6(insn)		(((insn) >> 0) & 0x3f)
152#define N32_SWID(insn)		(((insn) >> 5) & 0x3ff)
153#define N32_IMMU(insn, bs)	((insn) & __MASK (bs))
154#define N32_IMMS(insn, bs)	((signed) __SEXT ((insn), (bs)))
155#define N32_IMM5U(insn)		N32_IMMU (insn, 5)
156#define N32_IMM12S(insn)	N32_IMMS (insn, 12)
157#define N32_IMM14S(insn)	N32_IMMS (insn, 14)
158#define N32_IMM15U(insn)	N32_IMMU (insn, 15)
159#define N32_IMM15S(insn)	N32_IMMS (insn, 15)
160#define N32_IMM16S(insn)	N32_IMMS (insn, 16)
161#define N32_IMM17S(insn)	N32_IMMS (insn, 17)
162#define N32_IMM20S(insn)	N32_IMMS (insn, 20)
163#define N32_IMM20U(insn)	N32_IMMU (insn, 20)
164#define N32_IMM24S(insn)	N32_IMMS (insn, 24)
165
166#define N16_RT5(insn)		(((insn) >> 5) & 0x1f)
167#define N16_RT4(insn)		nds32_r45map[(((insn) >> 5) & 0xf)]
168#define N16_RT3(insn)		(((insn) >> 6) & 0x7)
169#define N16_RT38(insn)		(((insn) >> 8) & 0x7)
170#define N16_RT8(insn)		(((insn) >> 8) & 0x7)
171#define N16_RA5(insn)		((insn) & 0x1f)
172#define N16_RA3(insn)		(((insn) >> 3) & 0x7)
173#define N16_RB3(insn)		((insn) & 0x7)
174#define N16_IMM3U(insn)		N32_IMMU (insn, 3)
175#define N16_IMM5U(insn)		N32_IMMU (insn, 5)
176#define N16_IMM5S(insn)		N32_IMMS (insn, 5)
177#define N16_IMM6U(insn)		N32_IMMU (insn, 6)
178#define N16_IMM7U(insn)		N32_IMMU (insn, 7)
179#define N16_IMM8S(insn)		N32_IMMS (insn, 8)
180#define N16_IMM9U(insn)		N32_IMMU (insn, 9)
181#define N16_IMM10S(insn)	N32_IMMS (insn, 10)
182
183#define IS_WITHIN_U(v, n)	(((v) >> n) == 0)
184#define IS_WITHIN_S(v, n)	IS_WITHIN_U ((v) + (1 << ((n) - 1)), n)
185
186/* Get fields for specific instruction.  */
187#define N32_JREG_T(insn)	(((insn) >> 8) & 0x3)
188#define N32_JREG_HINT(insn)	(((insn) >> 5) & 0x7)
189#define N32_BR2_SUB(insn)	(((insn) >> 16) & 0xf)
190#define N32_COP_SUB(insn)	((insn) & 0xf)
191#define N32_COP_CP(insn)	(((insn) >> 4) & 0x3)
192
193/* Check fields.  */
194#define N32_IS_RT3(insn)	(N32_RT5 (insn) < 8)
195#define N32_IS_RA3(insn)	(N32_RA5 (insn) < 8)
196#define N32_IS_RB3(insn)	(N32_RB5 (insn) < 8)
197#define N32_IS_RT4(insn)	(nds32_r54map[N32_RT5 (insn)] != -1)
198#define N32_IS_RA4(insn)	(nds32_r54map[N32_RA5 (insn)] != -1)
199#define N32_IS_RB4(insn)	(nds32_r54map[N32_RB5 (insn)] != -1)
200
201
202/* These are opcodes for Nxx_TYPE macros.
203   They are prefixed by corresponding TYPE to avoid misusing.  */
204
205enum n32_opcodes
206{
207  /* Main opcodes (OP6).  */
208
209  N32_OP6_LBI = 0x0,
210  N32_OP6_LHI,
211  N32_OP6_LWI,
212  N32_OP6_LDI,
213  N32_OP6_LBI_BI,
214  N32_OP6_LHI_BI,
215  N32_OP6_LWI_BI,
216  N32_OP6_LDI_BI,
217
218  N32_OP6_SBI = 0x8,
219  N32_OP6_SHI,
220  N32_OP6_SWI,
221  N32_OP6_SDI,
222  N32_OP6_SBI_BI,
223  N32_OP6_SHI_BI,
224  N32_OP6_SWI_BI,
225  N32_OP6_SDI_BI,
226
227  N32_OP6_LBSI = 0x10,
228  N32_OP6_LHSI,
229  N32_OP6_LWSI,
230  N32_OP6_DPREFI,
231  N32_OP6_LBSI_BI,
232  N32_OP6_LHSI_BI,
233  N32_OP6_LWSI_BI,
234  N32_OP6_LBGP,
235
236  N32_OP6_LWC = 0x18,
237  N32_OP6_SWC,
238  N32_OP6_LDC,
239  N32_OP6_SDC,
240  N32_OP6_MEM,
241  N32_OP6_LSMW,
242  N32_OP6_HWGP,
243  N32_OP6_SBGP,
244
245  N32_OP6_ALU1 = 0x20,
246  N32_OP6_ALU2,
247  N32_OP6_MOVI,
248  N32_OP6_SETHI,
249  N32_OP6_JI,
250  N32_OP6_JREG,
251  N32_OP6_BR1,
252  N32_OP6_BR2,
253
254  N32_OP6_ADDI = 0x28,
255  N32_OP6_SUBRI,
256  N32_OP6_ANDI,
257  N32_OP6_XORI,
258  N32_OP6_ORI,
259  N32_OP6_BR3,
260  N32_OP6_SLTI,
261  N32_OP6_SLTSI,
262
263  N32_OP6_AEXT = 0x30,
264  N32_OP6_CEXT,
265  N32_OP6_MISC,
266  N32_OP6_BITCI,
267  N32_OP6_0x34,
268  N32_OP6_COP,
269  N32_OP6_0x36,
270  N32_OP6_0x37,
271
272  N32_OP6_SIMD = 0x38,
273
274  /* Sub-opcodes of specific opcode.  */
275
276  /* bit-24 */
277  N32_BR1_BEQ = 0,
278  N32_BR1_BNE = 1,
279
280  /* bit[16:19] */
281  N32_BR2_SOP0 = 0,
282  N32_BR2_BEQZ = 2,
283  N32_BR2_BNEZ = 3,
284  N32_BR2_BGEZ = 4,
285  N32_BR2_BLTZ = 5,
286  N32_BR2_BGTZ = 6,
287  N32_BR2_BLEZ = 7,
288  N32_BR2_BGEZAL = 0xc,
289  N32_BR2_BLTZAL = 0xd,
290
291  /* bit-19 */
292  N32_BR3_BEQC = 0,
293  N32_BR3_BNEC = 1,
294
295  /* bit-24 */
296  N32_JI_J = 0,
297  N32_JI_JAL = 1,
298
299  /* bit[0:4] */
300  N32_JREG_JR = 0,
301  N32_JREG_JRAL = 1,
302  N32_JREG_JRNEZ = 2,
303  N32_JREG_JRALNEZ = 3,
304
305  /* bit[0:4] */
306  N32_ALU1_ADD_SLLI = 0x0,
307  N32_ALU1_SUB_SLLI,
308  N32_ALU1_AND_SLLI,
309  N32_ALU1_XOR_SLLI,
310  N32_ALU1_OR_SLLI,
311  N32_ALU1_ADD = 0x0,
312  N32_ALU1_SUB,
313  N32_ALU1_AND,
314  N32_ALU1_XOR,
315  N32_ALU1_OR,
316  N32_ALU1_NOR,
317  N32_ALU1_SLT,
318  N32_ALU1_SLTS,
319  N32_ALU1_SLLI = 0x8,
320  N32_ALU1_SRLI,
321  N32_ALU1_SRAI,
322  N32_ALU1_ROTRI,
323  N32_ALU1_SLL,
324  N32_ALU1_SRL,
325  N32_ALU1_SRA,
326  N32_ALU1_ROTR,
327  N32_ALU1_SEB = 0x10,
328  N32_ALU1_SEH,
329  N32_ALU1_BITC,
330  N32_ALU1_ZEH,
331  N32_ALU1_WSBH,
332  N32_ALU1_OR_SRLI,
333  N32_ALU1_DIVSR,
334  N32_ALU1_DIVR,
335  N32_ALU1_SVA = 0x18,
336  N32_ALU1_SVS,
337  N32_ALU1_CMOVZ,
338  N32_ALU1_CMOVN,
339  N32_ALU1_ADD_SRLI,
340  N32_ALU1_SUB_SRLI,
341  N32_ALU1_AND_SRLI,
342  N32_ALU1_XOR_SRLI,
343
344  /* bit[0:5], where bit[6:9] == 0 */
345  N32_ALU2_MAX = 0,
346  N32_ALU2_MIN,
347  N32_ALU2_AVE,
348  N32_ALU2_ABS,
349  N32_ALU2_CLIPS,
350  N32_ALU2_CLIP,
351  N32_ALU2_CLO,
352  N32_ALU2_CLZ,
353  N32_ALU2_BSET = 0x8,
354  N32_ALU2_BCLR,
355  N32_ALU2_BTGL,
356  N32_ALU2_BTST,
357  N32_ALU2_BSE,
358  N32_ALU2_BSP,
359  N32_ALU2_FFB,
360  N32_ALU2_FFMISM,
361  N32_ALU2_ADD_SC = 0x10,
362  N32_ALU2_SUB_SC,
363  N32_ALU2_ADD_WC,
364  N32_ALU2_SUB_WC,
365  N32_ALU2_KMxy,
366  N32_ALU2_0x15,
367  N32_ALU2_0x16,
368  N32_ALU2_FFZMISM,
369  N32_ALU2_KADD = 0x18,
370  N32_ALU2_KSUB,
371  N32_ALU2_KSLRAW,
372  N32_ALU2_KSLRAWu,
373  N32_ALU2_MFUSR = 0x20,
374  N32_ALU2_MTUSR,
375  N32_ALU2_0x22,
376  N32_ALU2_0x23,
377  N32_ALU2_MUL,
378  N32_ALU2_0x25,
379  N32_ALU2_0x26,
380  N32_ALU2_MULTS64 = 0x28,
381  N32_ALU2_MULT64,
382  N32_ALU2_MADDS64,
383  N32_ALU2_MADD64,
384  N32_ALU2_MSUBS64,
385  N32_ALU2_MSUB64,
386  N32_ALU2_DIVS,
387  N32_ALU2_DIV,
388  N32_ALU2_ADD64 = 0x30,
389  N32_ALU2_MULT32,
390  N32_ALU2_SMAL,
391  N32_ALU2_MADD32,
392  N32_ALU2_SUB64,
393  N32_ALU2_MSUB32,
394  N32_ALU2_0x36,
395  N32_ALU2_0x37,
396  N32_ALU2_RADD64 = 0x38,
397  N32_ALU2_URADD64,
398  N32_ALU2_KADD64,
399  N32_ALU2_UKADD64,
400  N32_ALU2_RSUB64,
401  N32_ALU2_URSUB64,
402  N32_ALU2_KSUB64,
403  N32_ALU2_UKSUB64,
404
405  /* bit[0:5], where bit[6:9] = 0001  */
406  N32_ALU2_SMAR64 = 0x0,
407  N32_ALU2_UMAR64,
408  N32_ALU2_SMSR64,
409  N32_ALU2_UMSR64,
410  N32_ALU2_KMAR64,
411  N32_ALU2_UKMAR64,
412  N32_ALU2_KMSR64,
413  N32_ALU2_UKMSR64,
414  N32_ALU2_SMALDA = 0x8,
415  N32_ALU2_SMSLDA,
416  N32_ALU2_SMALDS,
417  N32_ALU2_SMALBB,
418  N32_ALU2_FFBI = 0xe,
419  N32_ALU2_FLMISM = 0xf,
420  N32_ALU2_SMALXDA = 0x10,
421  N32_ALU2_SMSLXDA,
422  N32_ALU2_SMALXDS,
423  N32_ALU2_SMALBT,
424  N32_ALU2_SMALDRS = 0x1a,
425  N32_ALU2_SMALTT,
426  N32_ALU2_RDOV = 0x20,
427  N32_ALU2_CLROV,
428  N32_ALU2_MULSR64 = 0x28,
429  N32_ALU2_MULR64 = 0x29,
430  N32_ALU2_SMDS = 0x30,
431  N32_ALU2_SMXDS,
432  N32_ALU2_SMDRS,
433  N32_ALU2_MADDR32,
434  N32_ALU2_KMADRS,
435  N32_ALU2_MSUBR32,
436  N32_ALU2_KMADS,
437  N32_ALU2_KMAXDS,
438
439  /* bit[0:5], where bit[6:9] = 0010  */
440  N32_ALU2_KADD16 = 0x0,
441  N32_ALU2_KSUB16,
442  N32_ALU2_KCRAS16,
443  N32_ALU2_KCRSA16,
444  N32_ALU2_KADD8,
445  N32_ALU2_KSUB8,
446  N32_ALU2_WEXT,
447  N32_ALU2_WEXTI,
448  N32_ALU2_UKADD16 = 0x8,
449  N32_ALU2_UKSUB16,
450  N32_ALU2_UKCRAS16,
451  N32_ALU2_UKCRSA16,
452  N32_ALU2_UKADD8,
453  N32_ALU2_UKSUB8,
454  N32_ALU2_ONEOP = 0xf,
455  N32_ALU2_SMBB = 0x10,
456  N32_ALU2_SMBT,
457  N32_ALU2_SMTT,
458  N32_ALU2_KMABB = 0x15,
459  N32_ALU2_KMABT,
460  N32_ALU2_KMATT,
461  N32_ALU2_KMDA = 0x18,
462  N32_ALU2_KMXDA,
463  N32_ALU2_KMADA,
464  N32_ALU2_KMAXDA,
465  N32_ALU2_KMSDA,
466  N32_ALU2_KMSXDA,
467  N32_ALU2_RADD16 = 0x20,
468  N32_ALU2_RSUB16,
469  N32_ALU2_RCRAS16,
470  N32_ALU2_RCRSA16,
471  N32_ALU2_RADD8,
472  N32_ALU2_RSUB8,
473  N32_ALU2_RADDW,
474  N32_ALU2_RSUBW,
475  N32_ALU2_URADD16 = 0x28,
476  N32_ALU2_URSUB16,
477  N32_ALU2_URCRAS16,
478  N32_ALU2_URCRSA16,
479  N32_ALU2_URADD8,
480  N32_ALU2_URSUB8,
481  N32_ALU2_URADDW,
482  N32_ALU2_URSUBW,
483  N32_ALU2_ADD16 = 0x30,
484  N32_ALU2_SUB16,
485  N32_ALU2_CRAS16,
486  N32_ALU2_CRSA16,
487  N32_ALU2_ADD8,
488  N32_ALU2_SUB8,
489  N32_ALU2_BITREV,
490  N32_ALU2_BITREVI,
491  N32_ALU2_SMMUL = 0x38,
492  N32_ALU2_SMMULu,
493  N32_ALU2_KMMAC,
494  N32_ALU2_KMMACu,
495  N32_ALU2_KMMSB,
496  N32_ALU2_KMMSBu,
497  N32_ALU2_KWMMUL,
498  N32_ALU2_KWMMULu,
499
500  /* bit[0:5], where bit[6:9] = 0011  */
501  N32_ALU2_SMMWB = 0x0,
502  N32_ALU2_SMMWBu,
503  N32_ALU2_SMMWT,
504  N32_ALU2_SMMWTu,
505  N32_ALU2_KMMAWB,
506  N32_ALU2_KMMAWBu,
507  N32_ALU2_KMMAWT,
508  N32_ALU2_KMMAWTu,
509  N32_ALU2_PKTT16 = 0x8,
510  N32_ALU2_PKTB16,
511  N32_ALU2_PKBT16,
512  N32_ALU2_PKBB16,
513  N32_ALU2_0x10 = 0x10,
514  N32_ALU2_SCLIP16,
515  N32_ALU2_0x12,
516  N32_ALU2_SMAX16,
517  N32_ALU2_SMAX8 = 0x17,
518  N32_ALU2_0x18 = 0x18,
519  N32_ALU2_UCLIP16,
520  N32_ALU2_0x1a,
521  N32_ALU2_UMAX16,
522  N32_ALU2_UMAX8 = 0x1f,
523  N32_ALU2_SRA16 = 0x20,
524  N32_ALU2_SRA16u,
525  N32_ALU2_SRL16,
526  N32_ALU2_SRL16u,
527  N32_ALU2_SLL16,
528  N32_ALU2_KSLRA16,
529  N32_ALU2_KSLRA16u,
530  N32_ALU2_SRAu,
531  N32_ALU2_SRAI16 = 0x28,
532  N32_ALU2_SRAI16u,
533  N32_ALU2_SRLI16,
534  N32_ALU2_SRLI16u,
535  N32_ALU2_SLLI16,
536  N32_ALU2_KSLLI16,
537  N32_ALU2_KSLLI,
538  N32_ALU2_SRAIu,
539  N32_ALU2_CMPEQ16 = 0x30,
540  N32_ALU2_SCMPLT16,
541  N32_ALU2_SCMPLE16,
542  N32_ALU2_SMIN16,
543  N32_ALU2_CMPEQ8,
544  N32_ALU2_SCMPLT8,
545  N32_ALU2_SCMPLE8,
546  N32_ALU2_SMIN8,
547  N32_ALU2_0x38,
548  N32_ALU2_UCMPLT16 = 0x39,
549  N32_ALU2_UCMPLE16,
550  N32_ALU2_UMIN16,
551  N32_ALU2_0x3c,
552  N32_ALU2_UCMPLT8,
553  N32_ALU2_UCMPLE8,
554  N32_ALU2_UMIN8,
555
556  /* bit[0:5] */
557  N32_MEM_LB = 0,
558  N32_MEM_LH,
559  N32_MEM_LW,
560  N32_MEM_LD,
561  N32_MEM_LB_BI,
562  N32_MEM_LH_BI,
563  N32_MEM_LW_BI,
564  N32_MEM_LD_BI,
565  N32_MEM_SB,
566  N32_MEM_SH,
567  N32_MEM_SW,
568  N32_MEM_SD,
569  N32_MEM_SB_BI,
570  N32_MEM_SH_BI,
571  N32_MEM_SW_BI,
572  N32_MEM_SD_BI,
573  N32_MEM_LBS,
574  N32_MEM_LHS,
575  N32_MEM_LWS, /* Not used.  */
576  N32_MEM_DPREF,
577  N32_MEM_LBS_BI,
578  N32_MEM_LHS_BI,
579  N32_MEM_LWS_BI, /* Not used.  */
580  N32_MEM_0x17, /* Not used.  */
581  N32_MEM_LLW,
582  N32_MEM_SCW,
583  N32_MEM_LBUP = 0x20,
584  N32_MEM_LWUP = 0x22,
585  N32_MEM_SBUP = 0x28,
586  N32_MEM_SWUP = 0x2a,
587
588  /* bit[0:1] */
589  N32_LSMW_LSMW = 0,
590  N32_LSMW_LSMWA,
591  N32_LSMW_LSMWZB,
592
593  /* bit[2:4] */
594  N32_LSMW_BI = 0,
595  N32_LSMW_BIM,
596  N32_LSMW_BD,
597  N32_LSMW_BDM,
598  N32_LSMW_AI,
599  N32_LSMW_AIM,
600  N32_LSMW_AD,
601  N32_LSMW_ADM,
602
603  /* bit[0:4] */
604  N32_MISC_STANDBY = 0,
605  N32_MISC_CCTL,
606  N32_MISC_MFSR,
607  N32_MISC_MTSR,
608  N32_MISC_IRET,
609  N32_MISC_TRAP,
610  N32_MISC_TEQZ,
611  N32_MISC_TNEZ,
612  N32_MISC_DSB = 0x8,
613  N32_MISC_ISB,
614  N32_MISC_BREAK,
615  N32_MISC_SYSCALL,
616  N32_MISC_MSYNC,
617  N32_MISC_ISYNC,
618  N32_MISC_TLBOP,
619  N32_MISC_SPECL,
620  N32_MISC_BPICK = 0x10,
621
622  /* bit[0:4] */
623  N32_SIMD_PBSAD = 0,
624  N32_SIMD_PBSADA = 1,
625
626  /* bit[0:3] */
627  N32_COP_CPE1 = 0,
628  N32_COP_MFCP,
629  N32_COP_CPLW,
630  N32_COP_CPLD,
631  N32_COP_CPE2,
632  N32_COP_CPE3 = 8,
633  N32_COP_MTCP,
634  N32_COP_CPSW,
635  N32_COP_CPSD,
636  N32_COP_CPE4,
637
638  /* cop/0 b[3:0] */
639  N32_FPU_FS1 = 0,
640  N32_FPU_MFCP,
641  N32_FPU_FLS,
642  N32_FPU_FLD,
643  N32_FPU_FS2,
644  N32_FPU_FD1 = 8,
645  N32_FPU_MTCP,
646  N32_FPU_FSS,
647  N32_FPU_FSD,
648  N32_FPU_FD2,
649
650  /* FS1 b[9:6] */
651  N32_FPU_FS1_FADDS = 0,
652  N32_FPU_FS1_FSUBS,
653  N32_FPU_FS1_FCPYNSS,
654  N32_FPU_FS1_FCPYSS,
655  N32_FPU_FS1_FMADDS,
656  N32_FPU_FS1_FMSUBS,
657  N32_FPU_FS1_FCMOVNS,
658  N32_FPU_FS1_FCMOVZS,
659  N32_FPU_FS1_FNMADDS,
660  N32_FPU_FS1_FNMSUBS,
661  N32_FPU_FS1_10,
662  N32_FPU_FS1_11,
663  N32_FPU_FS1_FMULS = 12,
664  N32_FPU_FS1_FDIVS,
665  N32_FPU_FS1_14,
666  N32_FPU_FS1_F2OP = 15,
667
668  /* FS1/F2OP b[14:10] */
669  N32_FPU_FS1_F2OP_FS2D = 0x00,
670  N32_FPU_FS1_F2OP_FSQRTS  = 0x01,
671  N32_FPU_FS1_F2OP_FABSS  = 0x05,
672  N32_FPU_FS1_F2OP_FUI2S  = 0x08,
673  N32_FPU_FS1_F2OP_FSI2S  = 0x0c,
674  N32_FPU_FS1_F2OP_FS2UI  = 0x10,
675  N32_FPU_FS1_F2OP_FS2UI_Z = 0x14,
676  N32_FPU_FS1_F2OP_FS2SI  = 0x18,
677  N32_FPU_FS1_F2OP_FS2SI_Z = 0x1c,
678
679  /* FS2 b[9:6] */
680  N32_FPU_FS2_FCMPEQS = 0x0,
681  N32_FPU_FS2_FCMPLTS = 0x2,
682  N32_FPU_FS2_FCMPLES = 0x4,
683  N32_FPU_FS2_FCMPUNS = 0x6,
684  N32_FPU_FS2_FCMPEQS_E = 0x1,
685  N32_FPU_FS2_FCMPLTS_E = 0x3,
686  N32_FPU_FS2_FCMPLES_E = 0x5,
687  N32_FPU_FS2_FCMPUNS_E = 0x7,
688
689  /* FD1 b[9:6] */
690  N32_FPU_FD1_FADDD = 0,
691  N32_FPU_FD1_FSUBD,
692  N32_FPU_FD1_FCPYNSD,
693  N32_FPU_FD1_FCPYSD,
694  N32_FPU_FD1_FMADDD,
695  N32_FPU_FD1_FMSUBD,
696  N32_FPU_FD1_FCMOVND,
697  N32_FPU_FD1_FCMOVZD,
698  N32_FPU_FD1_FNMADDD,
699  N32_FPU_FD1_FNMSUBD,
700  N32_FPU_FD1_10,
701  N32_FPU_FD1_11,
702  N32_FPU_FD1_FMULD = 12,
703  N32_FPU_FD1_FDIVD,
704  N32_FPU_FD1_14,
705  N32_FPU_FD1_F2OP = 15,
706
707  /* FD1/F2OP b[14:10] */
708  N32_FPU_FD1_F2OP_FD2S = 0x00,
709  N32_FPU_FD1_F2OP_FSQRTD = 0x01,
710  N32_FPU_FD1_F2OP_FABSD = 0x05,
711  N32_FPU_FD1_F2OP_FUI2D = 0x08,
712  N32_FPU_FD1_F2OP_FSI2D = 0x0c,
713  N32_FPU_FD1_F2OP_FD2UI = 0x10,
714  N32_FPU_FD1_F2OP_FD2UI_Z = 0x14,
715  N32_FPU_FD1_F2OP_FD2SI = 0x18,
716  N32_FPU_FD1_F2OP_FD2SI_Z = 0x1c,
717
718  /* FD2 b[9:6] */
719  N32_FPU_FD2_FCMPEQD = 0x0,
720  N32_FPU_FD2_FCMPLTD = 0x2,
721  N32_FPU_FD2_FCMPLED = 0x4,
722  N32_FPU_FD2_FCMPUND = 0x6,
723  N32_FPU_FD2_FCMPEQD_E = 0x1,
724  N32_FPU_FD2_FCMPLTD_E = 0x3,
725  N32_FPU_FD2_FCMPLED_E = 0x5,
726  N32_FPU_FD2_FCMPUND_E = 0x7,
727
728  /* MFCP b[9:6] */
729  N32_FPU_MFCP_FMFSR = 0x0,
730  N32_FPU_MFCP_FMFDR = 0x1,
731  N32_FPU_MFCP_XR = 0xc,
732
733  /* MFCP/XR b[14:10] */
734  N32_FPU_MFCP_XR_FMFCFG = 0x0,
735  N32_FPU_MFCP_XR_FMFCSR = 0x1,
736
737  /* MTCP b[9:6] */
738  N32_FPU_MTCP_FMTSR = 0x0,
739  N32_FPU_MTCP_FMTDR = 0x1,
740  N32_FPU_MTCP_XR = 0xc,
741
742  /* MTCP/XR b[14:10] */
743  N32_FPU_MTCP_XR_FMTCSR = 0x1
744};
745
746enum n16_opcodes
747{
748  N16_T55_MOV55 = 0x0,
749  N16_T55_MOVI55 = 0x1,
750
751  N16_T45_0 = 0,
752  N16_T45_ADD45 = 0x4,
753  N16_T45_SUB45 = 0x5,
754  N16_T45_ADDI45 = 0x6,
755  N16_T45_SUBI45 = 0x7,
756  N16_T45_SRAI45 = 0x8,
757  N16_T45_SRLI45 = 0x9,
758  N16_T45_LWI45_FE = 0x19,
759  N16_T45_LWI450 = 0x1a,
760  N16_T45_SWI450 = 0x1b,
761  N16_T45_SLTS45 = 0x30,
762  N16_T45_SLT45 = 0x31,
763  N16_T45_SLTSI45 = 0x32,
764  N16_T45_SLTI45 = 0x33,
765  N16_T45_MOVPI45 = 0x3d,
766
767  N15_T44_MOVD44 = 0x7d,
768
769  N16_T333_0 = 0,
770  N16_T333_SLLI333 = 0xa,
771  N16_T333_BFMI333 = 0xb,
772  N16_T333_ADD333 = 0xc,
773  N16_T333_SUB333 = 0xd,
774  N16_T333_ADDI333 = 0xe,
775  N16_T333_SUBI333 = 0xf,
776  N16_T333_LWI333 = 0x10,
777  N16_T333_LWI333_BI = 0x11,
778  N16_T333_LHI333 = 0x12,
779  N16_T333_LBI333 = 0x13,
780  N16_T333_SWI333 = 0x14,
781  N16_T333_SWI333_BI = 0x15,
782  N16_T333_SHI333 = 0x16,
783  N16_T333_SBI333 = 0x17,
784  N16_T333_MISC33 = 0x3f,
785
786  N16_T36_ADDRI36_SP = 0x18,
787
788  N16_T37_XWI37 = 0x7,
789  N16_T37_XWI37SP = 0xe,
790
791  N16_T38_BEQZ38 = 0x8,
792  N16_T38_BNEZ38 = 0x9,
793  N16_T38_BEQS38 = 0xa,
794  N16_T38_BNES38 = 0xb,
795
796  N16_T5_JR5 = 0x2e8,
797  N16_T5_JRAL5 = 0x2e9,
798  N16_T5_EX9IT = 0x2ea,
799  /* 0x2eb reserved.  */
800  N16_T5_RET5 = 0x2ec,
801  N16_T5_ADD5PC = 0x2ed,
802  /* 0x2e[ef] reserved.  */
803  N16_T5_BREAK16 = 0x350,
804
805  N16_T8_J8 = 0x55,
806  N16_T8_BEQZS8 = 0x68,
807  N16_T8_BNEZS8 = 0x69,
808
809  /* N16_T9_BREAK16 = 0x35
810     Since v3, SWID of BREAK16 above 32 are used for encoding EX9.IT.  */
811  N16_T9_EX9IT = 0x35,
812  N16_T9_IFCALL9 = 0x3c,
813
814  N16_T10_ADDI10S = 0x1b,
815
816  N16_T25_PUSH25 = 0xf8,
817  N16_T25_POP25 = 0xf9,
818
819  /* Sub-opcodes.  */
820  N16_MISC33_0 = 0,
821  N16_MISC33_1 = 1,
822  N16_MISC33_NEG33 = 2,
823  N16_MISC33_NOT33 = 3,
824  N16_MISC33_MUL33 = 4,
825  N16_MISC33_XOR33 = 5,
826  N16_MISC33_AND33 = 6,
827  N16_MISC33_OR33 = 7,
828
829  N16_BFMI333_ZEB33 = 0,
830  N16_BFMI333_ZEH33 = 1,
831  N16_BFMI333_SEB33 = 2,
832  N16_BFMI333_SEH33 = 3,
833  N16_BFMI333_XLSB33 = 4,
834  N16_BFMI333_X11B33 = 5,
835  N16_BFMI333_BMSKI33 = 6,
836  N16_BFMI333_FEXTI33 = 7
837};
838
839/* These macros a deprecated.  DO NOT use them anymore.
840   And please help rewrite code used them.  */
841
842/* 32-bit instructions without operands.  */
843#define INSN_SETHI  0x46000000
844#define INSN_ORI    0x58000000
845#define INSN_JR     0x4a000000
846#define INSN_RET    0x4a000020
847#define INSN_JAL    0x49000000
848#define INSN_J      0x48000000
849#define INSN_JRAL   0x4a000001
850#define INSN_BGEZAL 0x4e0c0000
851#define INSN_BLTZAL 0x4e0d0000
852#define INSN_BEQ    0x4c000000
853#define INSN_BNE    0x4c004000
854#define INSN_BEQZ   0x4e020000
855#define INSN_BNEZ   0x4e030000
856#define INSN_BGEZ   0x4e040000
857#define INSN_BLTZ   0x4e050000
858#define INSN_BGTZ   0x4e060000
859#define INSN_BLEZ   0x4e070000
860#define INSN_MOVI   0x44000000
861#define INSN_ADDI   0x50000000
862#define INSN_ANDI   0x54000000
863#define INSN_LDI    0x06000000
864#define INSN_SDI    0x16000000
865#define INSN_LW     0x38000002
866#define INSN_LWI    0x04000000
867#define INSN_LWSI   0x24000000
868#define INSN_LWIP   0x0c000000
869#define INSN_LHI    0x02000000
870#define INSN_LHSI   0x22000000
871#define INSN_LBI    0x00000000
872#define INSN_LBSI   0x20000000
873#define INSN_SWI    0x14000000
874#define INSN_SWIP   0x1c000000
875#define INSN_SHI    0x12000000
876#define INSN_SBI    0x10000000
877#define INSN_SLTI   0x5c000000
878#define INSN_SLTSI  0x5e000000
879#define INSN_ADD    0x40000000
880#define INSN_SUB    0x40000001
881#define INSN_SLT    0x40000006
882#define INSN_SLTS   0x40000007
883#define INSN_SLLI   0x40000008
884#define INSN_SRLI   0x40000009
885#define INSN_SRAI   0x4000000a
886#define INSN_SEB    0x40000010
887#define INSN_SEH    0x40000011
888#define INSN_ZEB    INSN_ANDI + 0xFF
889#define INSN_ZEH    0x40000013
890#define INSN_BREAK  0x6400000a
891#define INSN_NOP    0x40000009
892#define INSN_FLSI   0x30000000
893#define INSN_FSSI   0x32000000
894#define INSN_FLDI   0x34000000
895#define INSN_FSDI   0x36000000
896#define INSN_BEQC   0x5a000000
897#define INSN_BNEC   0x5a080000
898#define INSN_DSB    0x64000008
899#define INSN_IFCALL 0x4e000000
900#define INSN_IFRET  0x4a000060
901#define INSN_BR1    0x4c000000
902#define INSN_BR2    0x4e000000
903
904/* 16-bit instructions without operand.  */
905#define INSN_MOV55	0x8000
906#define INSN_MOVI55	0x8400
907#define INSN_ADD45	0x8800
908#define INSN_SUB45	0x8a00
909#define INSN_ADDI45	0x8c00
910#define INSN_SUBI45	0x8e00
911#define INSN_SRAI45	0x9000
912#define INSN_SRLI45	0x9200
913#define INSN_SLLI333	0x9400
914#define INSN_BFMI333	0x9600
915#define INSN_ADD333	0x9800
916#define INSN_SUB333	0x9a00
917#define INSN_ADDI333	0x9c00
918#define INSN_SUBI333	0x9e00
919#define INSN_LWI333	0xa000
920#define INSN_LWI333P	0xa200
921#define INSN_LHI333	0xa400
922#define INSN_LBI333	0xa600
923#define INSN_SWI333	0xa800
924#define INSN_SWI333P	0xaa00
925#define INSN_SHI333	0xac00
926#define INSN_SBI333	0xae00
927#define INSN_RSV01	0xb000
928#define INSN_RSV02	0xb200
929#define INSN_LWI450	0xb400
930#define INSN_SWI450	0xb600
931#define INSN_LWI37	0xb800
932#define INSN_SWI37	0xb880
933#define INSN_BEQZ38	0xc000
934#define INSN_BNEZ38	0xc800
935#define INSN_BEQS38	0xd000
936#define INSN_J8		0xd500
937#define INSN_BNES38	0xd800
938#define INSN_JR5	0xdd00
939#define INSN_RET5	0xdd80
940#define INSN_JRAL5	0xdd20
941#define INSN_EX9_IT_2	0xdd40
942#define INSN_SLTS45	0xe000
943#define INSN_SLT45	0xe200
944#define INSN_SLTSI45	0xe400
945#define INSN_SLTI45	0xe600
946#define INSN_BEQZS8	0xe800
947#define INSN_BNEZS8	0xe900
948#define INSN_BREAK16	0xea00
949#define INSN_EX9_IT_1	0xea00
950#define INSN_NOP16	0x9200
951/* 16-bit version 2.  */
952#define INSN_ADDI10_SP	0xec00
953#define INSN_LWI37SP	0xf000
954#define INSN_SWI37SP	0xf080
955/* 16-bit version 3.  */
956#define INSN_IFRET16	0x83ff
957#define INSN_ADDRI36_SP	0xb000
958#define INSN_LWI45_FE	0xb200
959#define INSN_IFCALL9	0xf800
960#define INSN_MISC33	0xfe00
961
962/* Instruction with specific operands.  */
963#define INSN_ADDI_GP_TO_FP	0x51cd8000	/* BASELINE_V1.  */
964#define INSN_ADDIGP_TO_FP	0x3fc80000	/* BASELINE_V2.  */
965#define INSN_MOVI_TO_FP		0x45c00000
966#define INSN_MFUSR_PC		0x420F8020
967#define INSN_MFUSR_PC_MASK	0xFE0FFFFF
968
969/* Instructions use $ta register as operand.  */
970#define INSN_SETHI_TA	(INSN_SETHI | (REG_TA << 20))
971#define INSN_ORI_TA	(INSN_ORI | (REG_TA << 20) | (REG_TA << 15))
972#define INSN_ADD_TA	(INSN_ADD | (REG_TA << 20))
973#define INSN_ADD45_TA	(INSN_ADD45 | (REG_TA << 5))
974#define INSN_JR5_TA	(INSN_JR5 | (REG_TA << 0))
975#define INSN_RET5_TA	(INSN_RET5 | (REG_TA << 0))
976#define INSN_JR_TA	(INSN_JR | (REG_TA << 10))
977#define INSN_RET_TA	(INSN_RET | (REG_TA << 10))
978#define INSN_JRAL_TA	(INSN_JRAL | (REG_LP << 20) | (REG_TA << 10))
979#define INSN_JRAL5_TA	(INSN_JRAL5 | (REG_TA << 0))
980#define INSN_BEQZ_TA	(INSN_BEQZ | (REG_TA << 20))
981#define INSN_BNEZ_TA	(INSN_BNEZ | (REG_TA << 20))
982#define INSN_MOVI_TA	(INSN_MOVI | (REG_TA << 20))
983#define INSN_BEQ_TA	(INSN_BEQ | (REG_TA << 15))
984#define INSN_BNE_TA	(INSN_BNE | (REG_TA << 15))
985
986/* Instructions use $r5 register as operand.  */
987#define INSN_BNE_R5	(INSN_BNE | (REG_R5 << 15))
988#define INSN_BEQ_R5	(INSN_BEQ | (REG_R5 << 15))
989
990#endif
991