1 /* nds32.h -- Header file for nds32 opcode table
2    Copyright (C) 2012-2016 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_R5		5
25 #define REG_R8		8
26 #define REG_R10		10
27 #define REG_R12		12
28 #define REG_R15		15
29 #define REG_R16		16
30 #define REG_R20		20
31 #define REG_TA		15
32 #define REG_TP          27
33 #define REG_FP		28
34 #define REG_GP		29
35 #define REG_LP		30
36 #define REG_SP		31
37 
38 /* Macros for extracting fields or making an instruction.  */
39 static const int nds32_r45map[] ATTRIBUTE_UNUSED =
40 {
41   0, 1, 2,  3,  4,  5,  6,  7,
42   8, 9, 10, 11, 16, 17, 18, 19
43 };
44 
45 static const int nds32_r54map[] ATTRIBUTE_UNUSED =
46 {
47    0,  1,  2,  3,  4,  5,  6,  7,
48    8,  9, 10, 11, -1, -1, -1, -1,
49   12, 13, 14, 15, -1, -1, -1, -1,
50   -1, -1, -1, -1, -1, -1, -1, -1
51 };
52 
53 #define __BIT(n)		(1 << (n))
54 #define __MASK(n)		(__BIT (n) - 1)
55 #define __MF(v, off, bs)	(((v) & __MASK (bs)) << (off))
56 #define __GF(v, off, bs)	(((v) >> off) & __MASK (bs))
57 #define __SEXT(v, bs)		((((v) & ((1 << (bs)) - 1)) ^ (1 << ((bs) - 1))) - (1 << ((bs) - 1)))
58 
59 /* Make nds32 instructions.  */
60 
61 #define N32_TYPE4(op6, rt5, ra5, rb5, rd5, sub5)  \
62 	(__MF (N32_OP6_##op6, 25, 6) | __MF (rt5, 20, 5) \
63 	 | __MF (ra5, 15, 5) | __MF (rb5, 10, 5) \
64 	 | __MF (rd5, 5, 5) | __MF (sub5, 0, 5))
65 #define N32_TYPE3(op6, rt5, ra5, rb5, sub10) \
66 	(N32_TYPE4 (op6, rt5, ra5, rb5, 0, 0) \
67 	 | __MF (sub10, 0, 10))
68 #define N32_TYPE2(op6, rt5, ra5, imm15)	\
69 	(N32_TYPE3 (op6, rt5, ra5, 0, 0) | __MF (imm15, 0, 15))
70 #define N32_TYPE1(op6, rt5, imm20) \
71 	(N32_TYPE2 (op6, rt5, 0, 0) | __MF (imm20, 0, 20))
72 #define N32_TYPE0(op6, imm25) \
73 	(N32_TYPE1 (op6, 0, 0) | __MF (imm25, 0, 25))
74 #define N32_ALU1(sub, rt, ra, rb) \
75 	N32_TYPE4 (ALU1, rt, ra, rb, 0, N32_ALU1_##sub)
76 #define N32_ALU1_SH(sub, rt, ra, rb, rd) \
77 	N32_TYPE4 (ALU1, rt, ra, rb, rd, N32_ALU1_##sub)
78 #define N32_ALU2(sub, rt, ra, rb) \
79 	N32_TYPE3 (ALU2, rt, ra, rb, N32_ALU2_##sub)
80 #define N32_BR1(sub, rt, ra, imm14s) \
81 	N32_TYPE2 (BR1, rt, ra, (N32_BR1_##sub << 14) | (imm14s & __MASK (14)))
82 #define N32_BR2(sub, rt, imm16s) \
83 	N32_TYPE1 (BR2, rt, (N32_BR2_##sub << 16) | (imm16s & __MASK (16)))
84 #define N32_BR3(sub, rt, imm11s, imm8s) \
85 	N32_TYPE1 (BR3, rt, (N32_BR3_##sub << 19) \
86 			    | ((imm11s & __MASK (11)) << 8) \
87 			    | (imm8s & __MASK (8)))
88 #define N32_JI(sub, imm24s) \
89 	N32_TYPE0 (JI, (N32_JI_##sub << 24) | (imm24s & __MASK (24)))
90 #define N32_JREG(sub, rt, rb, dtit, hint) \
91 	N32_TYPE4(JREG, rt, 0, rb, (dtit << 3) | (hint & 7), N32_JREG_##sub)
92 #define N32_MEM(sub, rt, ra, rb, sv) \
93 	N32_TYPE3 (MEM, rt, ra, rb, (sv << 8) | N32_MEM_##sub)
94 
95 #define N16_TYPE55(op5, rt5, ra5) \
96 	(0x8000 | __MF (N16_T55_##op5, 10, 5) | __MF (rt5, 5, 5) \
97 	 | __MF (ra5, 0, 5))
98 #define N16_TYPE45(op6, rt4, ra5) \
99 	(0x8000 | __MF (N16_T45_##op6, 9, 6) | __MF (rt4, 5, 4) \
100 	 | __MF (ra5, 0, 5))
101 #define N16_TYPE333(op6, rt3, ra3, rb3)	\
102 	(0x8000 | __MF (N16_T333_##op6, 9, 6) | __MF (rt3, 6, 3) \
103 	 | __MF (ra3, 3, 3) | __MF (rb3, 0, 3))
104 #define N16_TYPE36(op6, rt3, imm6) \
105 	(0x8000 | __MF (N16_T36_##op6, 9, 6) | __MF (rt3, 6, 3) \
106 	 | __MF (imm6, 0, 6))
107 #define N16_TYPE38(op4, rt3, imm8) \
108 	(0x8000 | __MF (N16_T38_##op4, 11, 4) | __MF (rt3, 8, 3) \
109 	 | __MF (imm8, 0, 8))
110 #define N16_TYPE37(op4, rt3, ls, imm7) \
111 	(0x8000 | __MF (N16_T37_##op4, 11, 4) | __MF (rt3, 8, 3) \
112 	 | __MF (imm7, 0, 7) | __MF (ls, 7, 1))
113 #define N16_TYPE5(op10, imm5) \
114 	(0x8000 | __MF (N16_T5_##op10, 5, 10) | __MF (imm5, 0, 5))
115 #define N16_TYPE8(op7, imm8) \
116 	(0x8000 | __MF (N16_T8_##op7, 8, 7) | __MF (imm8, 0, 8))
117 #define N16_TYPE9(op6, imm9) \
118 	(0x8000 | __MF (N16_T9_##op6, 9, 6) | __MF (imm9, 0, 9))
119 #define N16_TYPE10(op5, imm10) \
120 	(0x8000 | __MF (N16_T10_##op5, 10, 5) | __MF (imm10, 0, 10))
121 #define N16_TYPE25(op8, re, imm5) \
122 	(0x8000 | __MF (N16_T25_##op8, 7, 8) | __MF (re, 5, 2) \
123 	 | __MF (imm5, 0, 5))
124 
125 #define N16_MISC33(sub, rt, ra) \
126 	N16_TYPE333 (MISC33, rt, ra, N16_MISC33_##sub)
127 #define N16_BFMI333(sub, rt, ra) \
128 	N16_TYPE333 (BFMI333, rt, ra, N16_BFMI333_##sub)
129 
130 /* Get instruction fields.
131 
132    Macros used for handling 32-bit and 16-bit instructions are
133    prefixed with N32_ and N16_ respectively.  */
134 
135 #define N32_OP6(insn)		(((insn) >> 25) & 0x3f)
136 #define N32_RT5(insn)		(((insn) >> 20) & 0x1f)
137 #define N32_RT53(insn)		(N32_RT5 (insn) & 0x7)
138 #define N32_RT54(insn)		nds32_r54map[N32_RT5 (insn)]
139 #define N32_RA5(insn)		(((insn) >> 15) & 0x1f)
140 #define N32_RA53(insn)		(N32_RA5 (insn) & 0x7)
141 #define N32_RA54(insn)		nds32_r54map[N32_RA5 (insn)]
142 #define N32_RB5(insn)		(((insn) >> 10) & 0x1f)
143 #define N32_UB5(insn)		(((insn) >> 10) & 0x1f)
144 #define N32_RB53(insn)		(N32_RB5 (insn) & 0x7)
145 #define N32_RB54(insn)		nds32_r54map[N32_RB5 (insn)]
146 #define N32_RD5(insn)		(((insn) >> 5) & 0x1f)
147 #define N32_SH5(insn)		(((insn) >> 5) & 0x1f)
148 #define N32_SUB5(insn)		(((insn) >> 0) & 0x1f)
149 #define N32_SWID(insn)		(((insn) >> 5) & 0x3ff)
150 #define N32_IMMU(insn, bs)	((insn) & __MASK (bs))
151 #define N32_IMMS(insn, bs)	((signed) __SEXT (((insn) & __MASK (bs)), bs))
152 #define N32_IMM5U(insn)		N32_IMMU (insn, 5)
153 #define N32_IMM12S(insn)	N32_IMMS (insn, 12)
154 #define N32_IMM14S(insn)	N32_IMMS (insn, 14)
155 #define N32_IMM15U(insn)	N32_IMMU (insn, 15)
156 #define N32_IMM15S(insn)	N32_IMMS (insn, 15)
157 #define N32_IMM16S(insn)	N32_IMMS (insn, 16)
158 #define N32_IMM17S(insn)	N32_IMMS (insn, 17)
159 #define N32_IMM20S(insn)	N32_IMMS (insn, 20)
160 #define N32_IMM20U(insn)	N32_IMMU (insn, 20)
161 #define N32_IMM24S(insn)	N32_IMMS (insn, 24)
162 
163 #define N16_RT5(insn)		(((insn) >> 5) & 0x1f)
164 #define N16_RT4(insn)		nds32_r45map[(((insn) >> 5) & 0xf)]
165 #define N16_RT3(insn)		(((insn) >> 6) & 0x7)
166 #define N16_RT38(insn)		(((insn) >> 8) & 0x7)
167 #define N16_RT8(insn)		(((insn) >> 8) & 0x7)
168 #define N16_RA5(insn)		((insn) & 0x1f)
169 #define N16_RA3(insn)		(((insn) >> 3) & 0x7)
170 #define N16_RB3(insn)		((insn) & 0x7)
171 #define N16_IMM3U(insn)		N32_IMMU (insn, 3)
172 #define N16_IMM5U(insn)		N32_IMMU (insn, 5)
173 #define N16_IMM5S(insn)		N32_IMMS (insn, 5)
174 #define N16_IMM6U(insn)		N32_IMMU (insn, 6)
175 #define N16_IMM7U(insn)		N32_IMMU (insn, 7)
176 #define N16_IMM8S(insn)		N32_IMMS (insn, 8)
177 #define N16_IMM9U(insn)		N32_IMMU (insn, 9)
178 #define N16_IMM10S(insn)	N32_IMMS (insn, 10)
179 
180 #define IS_WITHIN_U(v, n)	(((v) >> n) == 0)
181 #define IS_WITHIN_S(v, n)	IS_WITHIN_U ((v) + (1 << ((n) - 1)), n)
182 
183 /* Get fields for specific instruction.  */
184 #define N32_JREG_T(insn)	(((insn) >> 8) & 0x3)
185 #define N32_JREG_HINT(insn)	(((insn) >> 5) & 0x7)
186 #define N32_BR2_SUB(insn)	(((insn) >> 16) & 0xf)
187 #define N32_COP_SUB(insn)	((insn) & 0xf)
188 #define N32_COP_CP(insn)	(((insn) >> 4) & 0x3)
189 
190 /* Check fields.  */
191 #define N32_IS_RT3(insn)	(N32_RT5 (insn) < 8)
192 #define N32_IS_RA3(insn)	(N32_RA5 (insn) < 8)
193 #define N32_IS_RB3(insn)	(N32_RB5 (insn) < 8)
194 #define N32_IS_RT4(insn)	(nds32_r54map[N32_RT5 (insn)] != -1)
195 #define N32_IS_RA4(insn)	(nds32_r54map[N32_RA5 (insn)] != -1)
196 #define N32_IS_RB4(insn)	(nds32_r54map[N32_RB5 (insn)] != -1)
197 
198 
199 /* These are opcodes for Nxx_TYPE macros.
200    They are prefixed by corresponding TYPE to avoid misusing.  */
201 
202 enum n32_opcodes
203 {
204   /* Main opcodes (OP6).  */
205 
206   N32_OP6_LBI = 0x0,
207   N32_OP6_LHI,
208   N32_OP6_LWI,
209   N32_OP6_LDI,
210   N32_OP6_LBI_BI,
211   N32_OP6_LHI_BI,
212   N32_OP6_LWI_BI,
213   N32_OP6_LDI_BI,
214 
215   N32_OP6_SBI = 0x8,
216   N32_OP6_SHI,
217   N32_OP6_SWI,
218   N32_OP6_SDI,
219   N32_OP6_SBI_BI,
220   N32_OP6_SHI_BI,
221   N32_OP6_SWI_BI,
222   N32_OP6_SDI_BI,
223 
224   N32_OP6_LBSI = 0x10,
225   N32_OP6_LHSI,
226   N32_OP6_LWSI,
227   N32_OP6_DPREFI,
228   N32_OP6_LBSI_BI,
229   N32_OP6_LHSI_BI,
230   N32_OP6_LWSI_BI,
231   N32_OP6_LBGP,
232 
233   N32_OP6_LWC = 0x18,
234   N32_OP6_SWC,
235   N32_OP6_LDC,
236   N32_OP6_SDC,
237   N32_OP6_MEM,
238   N32_OP6_LSMW,
239   N32_OP6_HWGP,
240   N32_OP6_SBGP,
241 
242   N32_OP6_ALU1 = 0x20,
243   N32_OP6_ALU2,
244   N32_OP6_MOVI,
245   N32_OP6_SETHI,
246   N32_OP6_JI,
247   N32_OP6_JREG,
248   N32_OP6_BR1,
249   N32_OP6_BR2,
250 
251   N32_OP6_ADDI = 0x28,
252   N32_OP6_SUBRI,
253   N32_OP6_ANDI,
254   N32_OP6_XORI,
255   N32_OP6_ORI,
256   N32_OP6_BR3,
257   N32_OP6_SLTI,
258   N32_OP6_SLTSI,
259 
260   N32_OP6_AEXT = 0x30,
261   N32_OP6_CEXT,
262   N32_OP6_MISC,
263   N32_OP6_BITCI,
264   N32_OP6_0x34,
265   N32_OP6_COP,
266   N32_OP6_0x36,
267   N32_OP6_0x37,
268 
269   N32_OP6_SIMD = 0x38,
270 
271   /* Sub-opcodes of specific opcode.  */
272 
273   /* bit-24 */
274   N32_BR1_BEQ = 0,
275   N32_BR1_BNE = 1,
276 
277   /* bit[16:19] */
278   N32_BR2_IFCALL = 0,
279   N32_BR2_BEQZ = 2,
280   N32_BR2_BNEZ = 3,
281   N32_BR2_BGEZ = 4,
282   N32_BR2_BLTZ = 5,
283   N32_BR2_BGTZ = 6,
284   N32_BR2_BLEZ = 7,
285   N32_BR2_BGEZAL = 0xc,
286   N32_BR2_BLTZAL = 0xd,
287 
288   /* bit-19 */
289   N32_BR3_BEQC = 0,
290   N32_BR3_BNEC = 1,
291 
292   /* bit-24 */
293   N32_JI_J = 0,
294   N32_JI_JAL = 1,
295 
296   /* bit[0:4] */
297   N32_JREG_JR = 0,
298   N32_JREG_JRAL = 1,
299   N32_JREG_JRNEZ = 2,
300   N32_JREG_JRALNEZ = 3,
301 
302   /* bit[0:4] */
303   N32_ALU1_ADD_SLLI = 0x0,
304   N32_ALU1_SUB_SLLI,
305   N32_ALU1_AND_SLLI,
306   N32_ALU1_XOR_SLLI,
307   N32_ALU1_OR_SLLI,
308   N32_ALU1_ADD = 0x0,
309   N32_ALU1_SUB,
310   N32_ALU1_AND,
311   N32_ALU1_XOR,
312   N32_ALU1_OR,
313   N32_ALU1_NOR,
314   N32_ALU1_SLT,
315   N32_ALU1_SLTS,
316   N32_ALU1_SLLI = 0x8,
317   N32_ALU1_SRLI,
318   N32_ALU1_SRAI,
319   N32_ALU1_ROTRI,
320   N32_ALU1_SLL,
321   N32_ALU1_SRL,
322   N32_ALU1_SRA,
323   N32_ALU1_ROTR,
324   N32_ALU1_SEB = 0x10,
325   N32_ALU1_SEH,
326   N32_ALU1_BITC,
327   N32_ALU1_ZEH,
328   N32_ALU1_WSBH,
329   N32_ALU1_OR_SRLI,
330   N32_ALU1_DIVSR,
331   N32_ALU1_DIVR,
332   N32_ALU1_SVA = 0x18,
333   N32_ALU1_SVS,
334   N32_ALU1_CMOVZ,
335   N32_ALU1_CMOVN,
336   N32_ALU1_ADD_SRLI,
337   N32_ALU1_SUB_SRLI,
338   N32_ALU1_AND_SRLI,
339   N32_ALU1_XOR_SRLI,
340 
341   /* bit[0:5], where bit[6:9] == 0 */
342   N32_ALU2_MAX = 0,
343   N32_ALU2_MIN,
344   N32_ALU2_AVE,
345   N32_ALU2_ABS,
346   N32_ALU2_CLIPS,
347   N32_ALU2_CLIP,
348   N32_ALU2_CLO,
349   N32_ALU2_CLZ,
350   N32_ALU2_BSET = 0x8,
351   N32_ALU2_BCLR,
352   N32_ALU2_BTGL,
353   N32_ALU2_BTST,
354   N32_ALU2_BSE,
355   N32_ALU2_BSP,
356   N32_ALU2_FFB,
357   N32_ALU2_FFMISM,
358   N32_ALU2_ADD_SC = 0x10,
359   N32_ALU2_SUB_SC,
360   N32_ALU2_ADD_WC,
361   N32_ALU2_SUB_WC,
362   N32_ALU2_KMxy,
363   N32_ALU2_0x15,
364   N32_ALU2_0x16,
365   N32_ALU2_FFZMISM,
366   N32_ALU2_KADD = 0x18,
367   N32_ALU2_KSUB,
368   N32_ALU2_KSLRA,
369   N32_ALU2_MFUSR = 0x20,
370   N32_ALU2_MTUSR,
371   N32_ALU2_0x22,
372   N32_ALU2_0x23,
373   N32_ALU2_MUL,
374   N32_ALU2_0x25,
375   N32_ALU2_0x26,
376   N32_ALU2_MULTS64 = 0x28,
377   N32_ALU2_MULT64,
378   N32_ALU2_MADDS64,
379   N32_ALU2_MADD64,
380   N32_ALU2_MSUBS64,
381   N32_ALU2_MSUB64,
382   N32_ALU2_DIVS,
383   N32_ALU2_DIV,
384   N32_ALU2_0x30 = 0x30,
385   N32_ALU2_MULT32,
386   N32_ALU2_0x32,
387   N32_ALU2_MADD32,
388   N32_ALU2_0x34,
389   N32_ALU2_MSUB32,
390 
391   /* bit[0:5], where bit[6:9] != 0  */
392   N32_ALU2_FFBI = 0xe,
393   N32_ALU2_FLMISM = 0xf,
394   N32_ALU2_MULSR64 = 0x28,
395   N32_ALU2_MULR64 = 0x29,
396   N32_ALU2_MADDR32 = 0x33,
397   N32_ALU2_MSUBR32 = 0x35,
398 
399   /* bit[0:5] */
400   N32_MEM_LB = 0,
401   N32_MEM_LH,
402   N32_MEM_LW,
403   N32_MEM_LD,
404   N32_MEM_LB_BI,
405   N32_MEM_LH_BI,
406   N32_MEM_LW_BI,
407   N32_MEM_LD_BI,
408   N32_MEM_SB,
409   N32_MEM_SH,
410   N32_MEM_SW,
411   N32_MEM_SD,
412   N32_MEM_SB_BI,
413   N32_MEM_SH_BI,
414   N32_MEM_SW_BI,
415   N32_MEM_SD_BI,
416   N32_MEM_LBS,
417   N32_MEM_LHS,
418   N32_MEM_LWS, /* Not used.  */
419   N32_MEM_DPREF,
420   N32_MEM_LBS_BI,
421   N32_MEM_LHS_BI,
422   N32_MEM_LWS_BI, /* Not used.  */
423   N32_MEM_0x17, /* Not used.  */
424   N32_MEM_LLW,
425   N32_MEM_SCW,
426   N32_MEM_LBUP = 0x20,
427   N32_MEM_LWUP = 0x22,
428   N32_MEM_SBUP = 0x28,
429   N32_MEM_SWUP = 0x2a,
430 
431   /* bit[0:1] */
432   N32_LSMW_LSMW = 0,
433   N32_LSMW_LSMWA,
434   N32_LSMW_LSMWZB,
435 
436   /* bit[2:4] */
437   N32_LSMW_BI = 0,
438   N32_LSMW_BIM,
439   N32_LSMW_BD,
440   N32_LSMW_BDM,
441   N32_LSMW_AI,
442   N32_LSMW_AIM,
443   N32_LSMW_AD,
444   N32_LSMW_ADM,
445 
446   /* bit[0:4] */
447   N32_MISC_STANDBY = 0,
448   N32_MISC_CCTL,
449   N32_MISC_MFSR,
450   N32_MISC_MTSR,
451   N32_MISC_IRET,
452   N32_MISC_TRAP,
453   N32_MISC_TEQZ,
454   N32_MISC_TNEZ,
455   N32_MISC_DSB = 0x8,
456   N32_MISC_ISB,
457   N32_MISC_BREAK,
458   N32_MISC_SYSCALL,
459   N32_MISC_MSYNC,
460   N32_MISC_ISYNC,
461   N32_MISC_TLBOP,
462   N32_MISC_0xf,
463 
464   /* bit[0:4] */
465   N32_SIMD_PBSAD = 0,
466   N32_SIMD_PBSADA = 1,
467 
468   /* bit[0:3] */
469   N32_COP_CPE1 = 0,
470   N32_COP_MFCP,
471   N32_COP_CPLW,
472   N32_COP_CPLD,
473   N32_COP_CPE2,
474   N32_COP_CPE3 = 8,
475   N32_COP_MTCP,
476   N32_COP_CPSW,
477   N32_COP_CPSD,
478   N32_COP_CPE4,
479 
480   /* cop/0 b[3:0] */
481   N32_FPU_FS1 = 0,
482   N32_FPU_MFCP,
483   N32_FPU_FLS,
484   N32_FPU_FLD,
485   N32_FPU_FS2,
486   N32_FPU_FD1 = 8,
487   N32_FPU_MTCP,
488   N32_FPU_FSS,
489   N32_FPU_FSD,
490   N32_FPU_FD2,
491 
492   /* FS1 b[9:6] */
493   N32_FPU_FS1_FADDS = 0,
494   N32_FPU_FS1_FSUBS,
495   N32_FPU_FS1_FCPYNSS,
496   N32_FPU_FS1_FCPYSS,
497   N32_FPU_FS1_FMADDS,
498   N32_FPU_FS1_FMSUBS,
499   N32_FPU_FS1_FCMOVNS,
500   N32_FPU_FS1_FCMOVZS,
501   N32_FPU_FS1_FNMADDS,
502   N32_FPU_FS1_FNMSUBS,
503   N32_FPU_FS1_10,
504   N32_FPU_FS1_11,
505   N32_FPU_FS1_FMULS = 12,
506   N32_FPU_FS1_FDIVS,
507   N32_FPU_FS1_14,
508   N32_FPU_FS1_F2OP = 15,
509 
510   /* FS1/F2OP b[14:10] */
511   N32_FPU_FS1_F2OP_FS2D = 0x00,
512   N32_FPU_FS1_F2OP_FSQRTS  = 0x01,
513   N32_FPU_FS1_F2OP_FABSS  = 0x05,
514   N32_FPU_FS1_F2OP_FUI2S  = 0x08,
515   N32_FPU_FS1_F2OP_FSI2S  = 0x0c,
516   N32_FPU_FS1_F2OP_FS2UI  = 0x10,
517   N32_FPU_FS1_F2OP_FS2UI_Z = 0x14,
518   N32_FPU_FS1_F2OP_FS2SI  = 0x18,
519   N32_FPU_FS1_F2OP_FS2SI_Z = 0x1c,
520 
521   /* FS2 b[9:6] */
522   N32_FPU_FS2_FCMPEQS = 0x0,
523   N32_FPU_FS2_FCMPLTS = 0x2,
524   N32_FPU_FS2_FCMPLES = 0x4,
525   N32_FPU_FS2_FCMPUNS = 0x6,
526   N32_FPU_FS2_FCMPEQS_E = 0x1,
527   N32_FPU_FS2_FCMPLTS_E = 0x3,
528   N32_FPU_FS2_FCMPLES_E = 0x5,
529   N32_FPU_FS2_FCMPUNS_E = 0x7,
530 
531   /* FD1 b[9:6] */
532   N32_FPU_FD1_FADDD = 0,
533   N32_FPU_FD1_FSUBD,
534   N32_FPU_FD1_FCPYNSD,
535   N32_FPU_FD1_FCPYSD,
536   N32_FPU_FD1_FMADDD,
537   N32_FPU_FD1_FMSUBD,
538   N32_FPU_FD1_FCMOVND,
539   N32_FPU_FD1_FCMOVZD,
540   N32_FPU_FD1_FNMADDD,
541   N32_FPU_FD1_FNMSUBD,
542   N32_FPU_FD1_10,
543   N32_FPU_FD1_11,
544   N32_FPU_FD1_FMULD = 12,
545   N32_FPU_FD1_FDIVD,
546   N32_FPU_FD1_14,
547   N32_FPU_FD1_F2OP = 15,
548 
549   /* FD1/F2OP b[14:10] */
550   N32_FPU_FD1_F2OP_FD2S = 0x00,
551   N32_FPU_FD1_F2OP_FSQRTD = 0x01,
552   N32_FPU_FD1_F2OP_FABSD = 0x05,
553   N32_FPU_FD1_F2OP_FUI2D = 0x08,
554   N32_FPU_FD1_F2OP_FSI2D = 0x0c,
555   N32_FPU_FD1_F2OP_FD2UI = 0x10,
556   N32_FPU_FD1_F2OP_FD2UI_Z = 0x14,
557   N32_FPU_FD1_F2OP_FD2SI = 0x18,
558   N32_FPU_FD1_F2OP_FD2SI_Z = 0x1c,
559 
560   /* FD2 b[9:6] */
561   N32_FPU_FD2_FCMPEQD = 0x0,
562   N32_FPU_FD2_FCMPLTD = 0x2,
563   N32_FPU_FD2_FCMPLED = 0x4,
564   N32_FPU_FD2_FCMPUND = 0x6,
565   N32_FPU_FD2_FCMPEQD_E = 0x1,
566   N32_FPU_FD2_FCMPLTD_E = 0x3,
567   N32_FPU_FD2_FCMPLED_E = 0x5,
568   N32_FPU_FD2_FCMPUND_E = 0x7,
569 
570   /* MFCP b[9:6] */
571   N32_FPU_MFCP_FMFSR = 0x0,
572   N32_FPU_MFCP_FMFDR = 0x1,
573   N32_FPU_MFCP_XR = 0xc,
574 
575   /* MFCP/XR b[14:10] */
576   N32_FPU_MFCP_XR_FMFCFG = 0x0,
577   N32_FPU_MFCP_XR_FMFCSR = 0x1,
578 
579   /* MTCP b[9:6] */
580   N32_FPU_MTCP_FMTSR = 0x0,
581   N32_FPU_MTCP_FMTDR = 0x1,
582   N32_FPU_MTCP_XR = 0xc,
583 
584   /* MTCP/XR b[14:10] */
585   N32_FPU_MTCP_XR_FMTCSR = 0x1
586 };
587 
588 enum n16_opcodes
589 {
590   N16_T55_MOV55 = 0x0,
591   N16_T55_MOVI55 = 0x1,
592 
593   N16_T45_0 = 0,
594   N16_T45_ADD45 = 0x4,
595   N16_T45_SUB45 = 0x5,
596   N16_T45_ADDI45 = 0x6,
597   N16_T45_SUBI45 = 0x7,
598   N16_T45_SRAI45 = 0x8,
599   N16_T45_SRLI45 = 0x9,
600   N16_T45_LWI45_FE = 0x19,
601   N16_T45_LWI450 = 0x1a,
602   N16_T45_SWI450 = 0x1b,
603   N16_T45_SLTS45 = 0x30,
604   N16_T45_SLT45 = 0x31,
605   N16_T45_SLTSI45 = 0x32,
606   N16_T45_SLTI45 = 0x33,
607   N16_T45_MOVPI45 = 0x3d,
608 
609   N15_T44_MOVD44 = 0x7d,
610 
611   N16_T333_0 = 0,
612   N16_T333_SLLI333 = 0xa,
613   N16_T333_BFMI333 = 0xb,
614   N16_T333_ADD333 = 0xc,
615   N16_T333_SUB333 = 0xd,
616   N16_T333_ADDI333 = 0xe,
617   N16_T333_SUBI333 = 0xf,
618   N16_T333_LWI333 = 0x10,
619   N16_T333_LWI333_BI = 0x11,
620   N16_T333_LHI333 = 0x12,
621   N16_T333_LBI333 = 0x13,
622   N16_T333_SWI333 = 0x14,
623   N16_T333_SWI333_BI = 0x15,
624   N16_T333_SHI333 = 0x16,
625   N16_T333_SBI333 = 0x17,
626   N16_T333_MISC33 = 0x3f,
627 
628   N16_T36_ADDRI36_SP = 0x18,
629 
630   N16_T37_XWI37 = 0x7,
631   N16_T37_XWI37SP = 0xe,
632 
633   N16_T38_BEQZ38 = 0x8,
634   N16_T38_BNEZ38 = 0x9,
635   N16_T38_BEQS38 = 0xa,
636   N16_T38_BNES38 = 0xb,
637 
638   N16_T5_JR5 = 0x2e8,
639   N16_T5_JRAL5 = 0x2e9,
640   N16_T5_EX9IT = 0x2ea,
641   /* 0x2eb reserved.  */
642   N16_T5_RET5 = 0x2ec,
643   N16_T5_ADD5PC = 0x2ed,
644   /* 0x2e[ef] reserved.  */
645   N16_T5_BREAK16 = 0x350,
646 
647   N16_T8_J8 = 0x55,
648   N16_T8_BEQZS8 = 0x68,
649   N16_T8_BNEZS8 = 0x69,
650 
651   /* N16_T9_BREAK16 = 0x35
652      Since v3, SWID of BREAK16 above 32 are used for encoding EX9.IT.  */
653   N16_T9_EX9IT = 0x35,
654   N16_T9_IFCALL9 = 0x3c,
655 
656   N16_T10_ADDI10S = 0x1b,
657 
658   N16_T25_PUSH25 = 0xf8,
659   N16_T25_POP25 = 0xf9,
660 
661   /* Sub-opcodes.  */
662   N16_MISC33_0 = 0,
663   N16_MISC33_1 = 1,
664   N16_MISC33_NEG33 = 2,
665   N16_MISC33_NOT33 = 3,
666   N16_MISC33_MUL33 = 4,
667   N16_MISC33_XOR33 = 5,
668   N16_MISC33_AND33 = 6,
669   N16_MISC33_OR33 = 7,
670 
671   N16_BFMI333_ZEB33 = 0,
672   N16_BFMI333_ZEH33 = 1,
673   N16_BFMI333_SEB33 = 2,
674   N16_BFMI333_SEH33 = 3,
675   N16_BFMI333_XLSB33 = 4,
676   N16_BFMI333_X11B33 = 5,
677   N16_BFMI333_BMSKI33 = 6,
678   N16_BFMI333_FEXTI33 = 7
679 };
680 
681 /* These macros a deprecated.  DO NOT use them anymore.
682    And please help rewrite code used them.  */
683 
684 /* 32-bit instructions without operands.  */
685 #define INSN_SETHI  0x46000000
686 #define INSN_ORI    0x58000000
687 #define INSN_JR     0x4a000000
688 #define INSN_RET    0x4a000020
689 #define INSN_JAL    0x49000000
690 #define INSN_J      0x48000000
691 #define INSN_JRAL   0x4a000001
692 #define INSN_BGEZAL 0x4e0c0000
693 #define INSN_BLTZAL 0x4e0d0000
694 #define INSN_BEQ    0x4c000000
695 #define INSN_BNE    0x4c004000
696 #define INSN_BEQZ   0x4e020000
697 #define INSN_BNEZ   0x4e030000
698 #define INSN_BGEZ   0x4e040000
699 #define INSN_BLTZ   0x4e050000
700 #define INSN_BGTZ   0x4e060000
701 #define INSN_BLEZ   0x4e070000
702 #define INSN_MOVI   0x44000000
703 #define INSN_ADDI   0x50000000
704 #define INSN_ANDI   0x54000000
705 #define INSN_LDI    0x06000000
706 #define INSN_SDI    0x16000000
707 #define INSN_LWI    0x04000000
708 #define INSN_LWSI   0x24000000
709 #define INSN_LWIP   0x0c000000
710 #define INSN_LHI    0x02000000
711 #define INSN_LHSI   0x22000000
712 #define INSN_LBI    0x00000000
713 #define INSN_LBSI   0x20000000
714 #define INSN_SWI    0x14000000
715 #define INSN_SWIP   0x1c000000
716 #define INSN_SHI    0x12000000
717 #define INSN_SBI    0x10000000
718 #define INSN_SLTI   0x5c000000
719 #define INSN_SLTSI  0x5e000000
720 #define INSN_ADD    0x40000000
721 #define INSN_SUB    0x40000001
722 #define INSN_SLT    0x40000006
723 #define INSN_SLTS   0x40000007
724 #define INSN_SLLI   0x40000008
725 #define INSN_SRLI   0x40000009
726 #define INSN_SRAI   0x4000000a
727 #define INSN_SEB    0x40000010
728 #define INSN_SEH    0x40000011
729 #define INSN_ZEB    INSN_ANDI + 0xFF
730 #define INSN_ZEH    0x40000013
731 #define INSN_BREAK  0x6400000a
732 #define INSN_NOP    0x40000009
733 #define INSN_FLSI   0x30000000
734 #define INSN_FSSI   0x32000000
735 #define INSN_FLDI   0x34000000
736 #define INSN_FSDI   0x36000000
737 #define INSN_BEQC   0x5a000000
738 #define INSN_BNEC   0x5a080000
739 #define INSN_DSB    0x64000008
740 #define INSN_IFCALL 0x4e000000
741 #define INSN_IFRET  0x4a000060
742 #define INSN_BR1    0x4c000000
743 #define INSN_BR2    0x4e000000
744 
745 /* 16-bit instructions without operand.  */
746 #define INSN_MOV55	0x8000
747 #define INSN_MOVI55	0x8400
748 #define INSN_ADD45	0x8800
749 #define INSN_SUB45	0x8a00
750 #define INSN_ADDI45	0x8c00
751 #define INSN_SUBI45	0x8e00
752 #define INSN_SRAI45	0x9000
753 #define INSN_SRLI45	0x9200
754 #define INSN_SLLI333	0x9400
755 #define INSN_BFMI333	0x9600
756 #define INSN_ADD333	0x9800
757 #define INSN_SUB333	0x9a00
758 #define INSN_ADDI333	0x9c00
759 #define INSN_SUBI333	0x9e00
760 #define INSN_LWI333	0xa000
761 #define INSN_LWI333P	0xa200
762 #define INSN_LHI333	0xa400
763 #define INSN_LBI333	0xa600
764 #define INSN_SWI333	0xa800
765 #define INSN_SWI333P	0xaa00
766 #define INSN_SHI333	0xac00
767 #define INSN_SBI333	0xae00
768 #define INSN_RSV01	0xb000
769 #define INSN_RSV02	0xb200
770 #define INSN_LWI450	0xb400
771 #define INSN_SWI450	0xb600
772 #define INSN_LWI37	0xb800
773 #define INSN_SWI37	0xb880
774 #define INSN_BEQZ38	0xc000
775 #define INSN_BNEZ38	0xc800
776 #define INSN_BEQS38	0xd000
777 #define INSN_J8		0xd500
778 #define INSN_BNES38	0xd800
779 #define INSN_JR5	0xdd00
780 #define INSN_RET5	0xdd80
781 #define INSN_JRAL5	0xdd20
782 #define INSN_EX9_IT_2	0xdd40
783 #define INSN_SLTS45	0xe000
784 #define INSN_SLT45	0xe200
785 #define INSN_SLTSI45	0xe400
786 #define INSN_SLTI45	0xe600
787 #define INSN_BEQZS8	0xe800
788 #define INSN_BNEZS8	0xe900
789 #define INSN_BREAK16	0xea00
790 #define INSN_EX9_IT_1	0xea00
791 #define INSN_NOP16	0x9200
792 /* 16-bit version 2.  */
793 #define INSN_ADDI10_SP	0xec00
794 #define INSN_LWI37SP	0xf000
795 #define INSN_SWI37SP	0xf080
796 /* 16-bit version 3.  */
797 #define INSN_IFRET16	0x83ff
798 #define INSN_ADDRI36_SP	0xb000
799 #define INSN_LWI45_FE	0xb200
800 #define INSN_IFCALL9	0xf800
801 #define INSN_MISC33	0xfe00
802 
803 /* Instruction with specific operands.  */
804 #define INSN_ADDI_GP_TO_FP	0x51cd8000	/* BASELINE_V1.  */
805 #define INSN_ADDIGP_TO_FP	0x3fc80000	/* BASELINE_V2.  */
806 #define INSN_MOVI_TO_FP		0x45c00000
807 #define INSN_MFUSR_PC		0x420F8020
808 #define INSN_MFUSR_PC_MASK	0xFE0FFFFF
809 
810 /* Instructions use $ta register as operand.  */
811 #define INSN_SETHI_TA	(INSN_SETHI | (REG_TA << 20))
812 #define INSN_ORI_TA	(INSN_ORI | (REG_TA << 20) | (REG_TA << 15))
813 #define INSN_ADD_TA	(INSN_ADD | (REG_TA << 20))
814 #define INSN_ADD45_TA	(INSN_ADD45 | (REG_TA << 5))
815 #define INSN_JR5_TA	(INSN_JR5 | (REG_TA << 0))
816 #define INSN_RET5_TA	(INSN_RET5 | (REG_TA << 0))
817 #define INSN_JR_TA	(INSN_JR | (REG_TA << 10))
818 #define INSN_RET_TA	(INSN_RET | (REG_TA << 10))
819 #define INSN_JRAL_TA	(INSN_JRAL | (REG_LP << 20) | (REG_TA << 10))
820 #define INSN_JRAL5_TA	(INSN_JRAL5 | (REG_TA << 0))
821 #define INSN_BEQZ_TA	(INSN_BEQZ | (REG_TA << 20))
822 #define INSN_BNEZ_TA	(INSN_BNEZ | (REG_TA << 20))
823 #define INSN_MOVI_TA	(INSN_MOVI | (REG_TA << 20))
824 #define INSN_BEQ_TA	(INSN_BEQ | (REG_TA << 15))
825 #define INSN_BNE_TA	(INSN_BNE | (REG_TA << 15))
826 
827 /* Instructions use $r5 register as operand.  */
828 #define INSN_BNE_R5	(INSN_BNE | (REG_R5 << 15))
829 #define INSN_BEQ_R5	(INSN_BEQ | (REG_R5 << 15))
830 
831 #endif
832