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1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 /*
3  * Format of an instruction in memory.
4  *
5  * This file is subject to the terms and conditions of the GNU General Public
6  * License.  See the file "COPYING" in the main directory of this archive
7  * for more details.
8  *
9  * Copyright (C) 1996, 2000 by Ralf Baechle
10  * Copyright (C) 2006 by Thiemo Seufer
11  * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
12  * Copyright (C) 2014 Imagination Technologies Ltd.
13  */
14 #ifndef _UAPI_ASM_INST_H
15 #define _UAPI_ASM_INST_H
16 
17 #include <asm/bitfield.h>
18 
19 /*
20  * Major opcodes; before MIPS IV cop1x was called cop3.
21  */
22 enum major_op {
23 	spec_op, bcond_op, j_op, jal_op,
24 	beq_op, bne_op, blez_op, bgtz_op,
25 	addi_op, pop10_op = addi_op, addiu_op, slti_op, sltiu_op,
26 	andi_op, ori_op, xori_op, lui_op,
27 	cop0_op, cop1_op, cop2_op, cop1x_op,
28 	beql_op, bnel_op, blezl_op, bgtzl_op,
29 	daddi_op, pop30_op = daddi_op, daddiu_op, ldl_op, ldr_op,
30 	spec2_op, jalx_op, mdmx_op, msa_op = mdmx_op, spec3_op,
31 	lb_op, lh_op, lwl_op, lw_op,
32 	lbu_op, lhu_op, lwr_op, lwu_op,
33 	sb_op, sh_op, swl_op, sw_op,
34 	sdl_op, sdr_op, swr_op, cache_op,
35 	ll_op, lwc1_op, lwc2_op, bc6_op = lwc2_op, pref_op,
36 	lld_op, ldc1_op, ldc2_op, pop66_op = ldc2_op, ld_op,
37 	sc_op, swc1_op, swc2_op, balc6_op = swc2_op, major_3b_op,
38 	scd_op, sdc1_op, sdc2_op, pop76_op = sdc2_op, sd_op
39 };
40 
41 /*
42  * func field of spec opcode.
43  */
44 enum spec_op {
45 	sll_op, movc_op, srl_op, sra_op,
46 	sllv_op, pmon_op, srlv_op, srav_op,
47 	jr_op, jalr_op, movz_op, movn_op,
48 	syscall_op, break_op, spim_op, sync_op,
49 	mfhi_op, mthi_op, mflo_op, mtlo_op,
50 	dsllv_op, spec2_unused_op, dsrlv_op, dsrav_op,
51 	mult_op, multu_op, div_op, divu_op,
52 	dmult_op, dmultu_op, ddiv_op, ddivu_op,
53 	add_op, addu_op, sub_op, subu_op,
54 	and_op, or_op, xor_op, nor_op,
55 	spec3_unused_op, spec4_unused_op, slt_op, sltu_op,
56 	dadd_op, daddu_op, dsub_op, dsubu_op,
57 	tge_op, tgeu_op, tlt_op, tltu_op,
58 	teq_op, spec5_unused_op, tne_op, spec6_unused_op,
59 	dsll_op, spec7_unused_op, dsrl_op, dsra_op,
60 	dsll32_op, spec8_unused_op, dsrl32_op, dsra32_op
61 };
62 
63 /*
64  * func field of spec2 opcode.
65  */
66 enum spec2_op {
67 	madd_op, maddu_op, mul_op, spec2_3_unused_op,
68 	msub_op, msubu_op, /* more unused ops */
69 	clz_op = 0x20, clo_op,
70 	dclz_op = 0x24, dclo_op,
71 	sdbpp_op = 0x3f
72 };
73 
74 /*
75  * func field of spec3 opcode.
76  */
77 enum spec3_op {
78 	ext_op, dextm_op, dextu_op, dext_op,
79 	ins_op, dinsm_op, dinsu_op, dins_op,
80 	yield_op  = 0x09, lx_op     = 0x0a,
81 	lwle_op   = 0x19, lwre_op   = 0x1a,
82 	cachee_op = 0x1b, sbe_op    = 0x1c,
83 	she_op    = 0x1d, sce_op    = 0x1e,
84 	swe_op    = 0x1f, bshfl_op  = 0x20,
85 	swle_op   = 0x21, swre_op   = 0x22,
86 	prefe_op  = 0x23, dbshfl_op = 0x24,
87 	cache6_op = 0x25, sc6_op    = 0x26,
88 	scd6_op   = 0x27, lbue_op   = 0x28,
89 	lhue_op   = 0x29, lbe_op    = 0x2c,
90 	lhe_op    = 0x2d, lle_op    = 0x2e,
91 	lwe_op    = 0x2f, pref6_op  = 0x35,
92 	ll6_op    = 0x36, lld6_op   = 0x37,
93 	rdhwr_op  = 0x3b
94 };
95 
96 /*
97  * Bits 10-6 minor opcode for r6 spec mult/div encodings
98  */
99 enum mult_op {
100 	mult_mult_op = 0x0,
101 	mult_mul_op = 0x2,
102 	mult_muh_op = 0x3,
103 };
104 enum multu_op {
105 	multu_multu_op = 0x0,
106 	multu_mulu_op = 0x2,
107 	multu_muhu_op = 0x3,
108 };
109 enum div_op {
110 	div_div_op = 0x0,
111 	div_div6_op = 0x2,
112 	div_mod_op = 0x3,
113 };
114 enum divu_op {
115 	divu_divu_op = 0x0,
116 	divu_divu6_op = 0x2,
117 	divu_modu_op = 0x3,
118 };
119 enum dmult_op {
120 	dmult_dmult_op = 0x0,
121 	dmult_dmul_op = 0x2,
122 	dmult_dmuh_op = 0x3,
123 };
124 enum dmultu_op {
125 	dmultu_dmultu_op = 0x0,
126 	dmultu_dmulu_op = 0x2,
127 	dmultu_dmuhu_op = 0x3,
128 };
129 enum ddiv_op {
130 	ddiv_ddiv_op = 0x0,
131 	ddiv_ddiv6_op = 0x2,
132 	ddiv_dmod_op = 0x3,
133 };
134 enum ddivu_op {
135 	ddivu_ddivu_op = 0x0,
136 	ddivu_ddivu6_op = 0x2,
137 	ddivu_dmodu_op = 0x3,
138 };
139 
140 /*
141  * rt field of bcond opcodes.
142  */
143 enum rt_op {
144 	bltz_op, bgez_op, bltzl_op, bgezl_op,
145 	spimi_op, unused_rt_op_0x05, unused_rt_op_0x06, unused_rt_op_0x07,
146 	tgei_op, tgeiu_op, tlti_op, tltiu_op,
147 	teqi_op, unused_0x0d_rt_op, tnei_op, unused_0x0f_rt_op,
148 	bltzal_op, bgezal_op, bltzall_op, bgezall_op,
149 	rt_op_0x14, rt_op_0x15, rt_op_0x16, rt_op_0x17,
150 	rt_op_0x18, rt_op_0x19, rt_op_0x1a, rt_op_0x1b,
151 	bposge32_op, rt_op_0x1d, rt_op_0x1e, synci_op
152 };
153 
154 /*
155  * rs field of cop opcodes.
156  */
157 enum cop_op {
158 	mfc_op	      = 0x00, dmfc_op	    = 0x01,
159 	cfc_op	      = 0x02, mfhc0_op	    = 0x02,
160 	mfhc_op       = 0x03, mtc_op	    = 0x04,
161 	dmtc_op	      = 0x05, ctc_op	    = 0x06,
162 	mthc0_op      = 0x06, mthc_op	    = 0x07,
163 	bc_op	      = 0x08, bc1eqz_op     = 0x09,
164 	mfmc0_op      = 0x0b, bc1nez_op     = 0x0d,
165 	wrpgpr_op     = 0x0e, cop_op	    = 0x10,
166 	copm_op	      = 0x18
167 };
168 
169 /*
170  * rt field of cop.bc_op opcodes
171  */
172 enum bcop_op {
173 	bcf_op, bct_op, bcfl_op, bctl_op
174 };
175 
176 /*
177  * func field of cop0 coi opcodes.
178  */
179 enum cop0_coi_func {
180 	tlbr_op	      = 0x01, tlbwi_op	    = 0x02,
181 	tlbwr_op      = 0x06, tlbp_op	    = 0x08,
182 	rfe_op	      = 0x10, eret_op	    = 0x18,
183 	wait_op       = 0x20, hypcall_op    = 0x28
184 };
185 
186 /*
187  * func field of cop0 com opcodes.
188  */
189 enum cop0_com_func {
190 	tlbr1_op      = 0x01, tlbw_op	    = 0x02,
191 	tlbp1_op      = 0x08, dctr_op	    = 0x09,
192 	dctw_op	      = 0x0a
193 };
194 
195 /*
196  * fmt field of cop1 opcodes.
197  */
198 enum cop1_fmt {
199 	s_fmt, d_fmt, e_fmt, q_fmt,
200 	w_fmt, l_fmt
201 };
202 
203 /*
204  * func field of cop1 instructions using d, s or w format.
205  */
206 enum cop1_sdw_func {
207 	fadd_op	     =	0x00, fsub_op	   =  0x01,
208 	fmul_op	     =	0x02, fdiv_op	   =  0x03,
209 	fsqrt_op     =	0x04, fabs_op	   =  0x05,
210 	fmov_op	     =	0x06, fneg_op	   =  0x07,
211 	froundl_op   =	0x08, ftruncl_op   =  0x09,
212 	fceill_op    =	0x0a, ffloorl_op   =  0x0b,
213 	fround_op    =	0x0c, ftrunc_op	   =  0x0d,
214 	fceil_op     =	0x0e, ffloor_op	   =  0x0f,
215 	fsel_op      =  0x10,
216 	fmovc_op     =	0x11, fmovz_op	   =  0x12,
217 	fmovn_op     =	0x13, fseleqz_op   =  0x14,
218 	frecip_op    =  0x15, frsqrt_op    =  0x16,
219 	fselnez_op   =  0x17, fmaddf_op    =  0x18,
220 	fmsubf_op    =  0x19, frint_op     =  0x1a,
221 	fclass_op    =  0x1b, fmin_op      =  0x1c,
222 	fmina_op     =  0x1d, fmax_op      =  0x1e,
223 	fmaxa_op     =  0x1f, fcvts_op     =  0x20,
224 	fcvtd_op     =	0x21, fcvte_op	   =  0x22,
225 	fcvtw_op     =	0x24, fcvtl_op	   =  0x25,
226 	fcmp_op	     =	0x30
227 };
228 
229 /*
230  * func field of cop1x opcodes (MIPS IV).
231  */
232 enum cop1x_func {
233 	lwxc1_op     =	0x00, ldxc1_op	   =  0x01,
234 	swxc1_op     =  0x08, sdxc1_op	   =  0x09,
235 	pfetch_op    =	0x0f, madd_s_op	   =  0x20,
236 	madd_d_op    =	0x21, madd_e_op	   =  0x22,
237 	msub_s_op    =	0x28, msub_d_op	   =  0x29,
238 	msub_e_op    =	0x2a, nmadd_s_op   =  0x30,
239 	nmadd_d_op   =	0x31, nmadd_e_op   =  0x32,
240 	nmsub_s_op   =	0x38, nmsub_d_op   =  0x39,
241 	nmsub_e_op   =	0x3a
242 };
243 
244 /*
245  * func field for mad opcodes (MIPS IV).
246  */
247 enum mad_func {
248 	madd_fp_op	= 0x08, msub_fp_op	= 0x0a,
249 	nmadd_fp_op	= 0x0c, nmsub_fp_op	= 0x0e
250 };
251 
252 /*
253  * func field for page table walker (Loongson-3).
254  */
255 enum ptw_func {
256 	lwdir_op = 0x00,
257 	lwpte_op = 0x01,
258 	lddir_op = 0x02,
259 	ldpte_op = 0x03,
260 };
261 
262 /*
263  * func field for special3 lx opcodes (Cavium Octeon).
264  */
265 enum lx_func {
266 	lwx_op	= 0x00,
267 	lhx_op	= 0x04,
268 	lbux_op = 0x06,
269 	ldx_op	= 0x08,
270 	lwux_op = 0x10,
271 	lhux_op = 0x14,
272 	lbx_op	= 0x16,
273 };
274 
275 /*
276  * BSHFL opcodes
277  */
278 enum bshfl_func {
279 	wsbh_op = 0x2,
280 	seb_op  = 0x10,
281 	seh_op  = 0x18,
282 };
283 
284 /*
285  * DBSHFL opcodes
286  */
287 enum dbshfl_func {
288 	dsbh_op = 0x2,
289 	dshd_op = 0x5,
290 };
291 
292 /*
293  * MSA minor opcodes.
294  */
295 enum msa_func {
296 	msa_elm_op = 0x19,
297 };
298 
299 /*
300  * MSA ELM opcodes.
301  */
302 enum msa_elm {
303 	msa_ctc_op = 0x3e,
304 	msa_cfc_op = 0x7e,
305 };
306 
307 /*
308  * func field for MSA MI10 format.
309  */
310 enum msa_mi10_func {
311 	msa_ld_op = 8,
312 	msa_st_op = 9,
313 };
314 
315 /*
316  * MSA 2 bit format fields.
317  */
318 enum msa_2b_fmt {
319 	msa_fmt_b = 0,
320 	msa_fmt_h = 1,
321 	msa_fmt_w = 2,
322 	msa_fmt_d = 3,
323 };
324 
325 /*
326  * (microMIPS) Major opcodes.
327  */
328 enum mm_major_op {
329 	mm_pool32a_op, mm_pool16a_op, mm_lbu16_op, mm_move16_op,
330 	mm_addi32_op, mm_lbu32_op, mm_sb32_op, mm_lb32_op,
331 	mm_pool32b_op, mm_pool16b_op, mm_lhu16_op, mm_andi16_op,
332 	mm_addiu32_op, mm_lhu32_op, mm_sh32_op, mm_lh32_op,
333 	mm_pool32i_op, mm_pool16c_op, mm_lwsp16_op, mm_pool16d_op,
334 	mm_ori32_op, mm_pool32f_op, mm_pool32s_op, mm_reserved2_op,
335 	mm_pool32c_op, mm_lwgp16_op, mm_lw16_op, mm_pool16e_op,
336 	mm_xori32_op, mm_jals32_op, mm_addiupc_op, mm_reserved3_op,
337 	mm_reserved4_op, mm_pool16f_op, mm_sb16_op, mm_beqz16_op,
338 	mm_slti32_op, mm_beq32_op, mm_swc132_op, mm_lwc132_op,
339 	mm_reserved5_op, mm_reserved6_op, mm_sh16_op, mm_bnez16_op,
340 	mm_sltiu32_op, mm_bne32_op, mm_sdc132_op, mm_ldc132_op,
341 	mm_reserved7_op, mm_reserved8_op, mm_swsp16_op, mm_b16_op,
342 	mm_andi32_op, mm_j32_op, mm_sd32_op, mm_ld32_op,
343 	mm_reserved11_op, mm_reserved12_op, mm_sw16_op, mm_li16_op,
344 	mm_jalx32_op, mm_jal32_op, mm_sw32_op, mm_lw32_op,
345 };
346 
347 /*
348  * (microMIPS) POOL32I minor opcodes.
349  */
350 enum mm_32i_minor_op {
351 	mm_bltz_op, mm_bltzal_op, mm_bgez_op, mm_bgezal_op,
352 	mm_blez_op, mm_bnezc_op, mm_bgtz_op, mm_beqzc_op,
353 	mm_tlti_op, mm_tgei_op, mm_tltiu_op, mm_tgeiu_op,
354 	mm_tnei_op, mm_lui_op, mm_teqi_op, mm_reserved13_op,
355 	mm_synci_op, mm_bltzals_op, mm_reserved14_op, mm_bgezals_op,
356 	mm_bc2f_op, mm_bc2t_op, mm_reserved15_op, mm_reserved16_op,
357 	mm_reserved17_op, mm_reserved18_op, mm_bposge64_op, mm_bposge32_op,
358 	mm_bc1f_op, mm_bc1t_op, mm_reserved19_op, mm_reserved20_op,
359 	mm_bc1any2f_op, mm_bc1any2t_op, mm_bc1any4f_op, mm_bc1any4t_op,
360 };
361 
362 /*
363  * (microMIPS) POOL32A minor opcodes.
364  */
365 enum mm_32a_minor_op {
366 	mm_sll32_op = 0x000,
367 	mm_ins_op = 0x00c,
368 	mm_sllv32_op = 0x010,
369 	mm_ext_op = 0x02c,
370 	mm_pool32axf_op = 0x03c,
371 	mm_srl32_op = 0x040,
372 	mm_srlv32_op = 0x050,
373 	mm_sra_op = 0x080,
374 	mm_srav_op = 0x090,
375 	mm_rotr_op = 0x0c0,
376 	mm_lwxs_op = 0x118,
377 	mm_addu32_op = 0x150,
378 	mm_subu32_op = 0x1d0,
379 	mm_wsbh_op = 0x1ec,
380 	mm_mul_op = 0x210,
381 	mm_and_op = 0x250,
382 	mm_or32_op = 0x290,
383 	mm_xor32_op = 0x310,
384 	mm_slt_op = 0x350,
385 	mm_sltu_op = 0x390,
386 };
387 
388 /*
389  * (microMIPS) POOL32B functions.
390  */
391 enum mm_32b_func {
392 	mm_lwc2_func = 0x0,
393 	mm_lwp_func = 0x1,
394 	mm_ldc2_func = 0x2,
395 	mm_ldp_func = 0x4,
396 	mm_lwm32_func = 0x5,
397 	mm_cache_func = 0x6,
398 	mm_ldm_func = 0x7,
399 	mm_swc2_func = 0x8,
400 	mm_swp_func = 0x9,
401 	mm_sdc2_func = 0xa,
402 	mm_sdp_func = 0xc,
403 	mm_swm32_func = 0xd,
404 	mm_sdm_func = 0xf,
405 };
406 
407 /*
408  * (microMIPS) POOL32C functions.
409  */
410 enum mm_32c_func {
411 	mm_pref_func = 0x2,
412 	mm_ll_func = 0x3,
413 	mm_swr_func = 0x9,
414 	mm_sc_func = 0xb,
415 	mm_lwu_func = 0xe,
416 };
417 
418 /*
419  * (microMIPS) POOL32AXF minor opcodes.
420  */
421 enum mm_32axf_minor_op {
422 	mm_mfc0_op = 0x003,
423 	mm_mtc0_op = 0x00b,
424 	mm_tlbp_op = 0x00d,
425 	mm_mfhi32_op = 0x035,
426 	mm_jalr_op = 0x03c,
427 	mm_tlbr_op = 0x04d,
428 	mm_mflo32_op = 0x075,
429 	mm_jalrhb_op = 0x07c,
430 	mm_tlbwi_op = 0x08d,
431 	mm_mthi32_op = 0x0b5,
432 	mm_tlbwr_op = 0x0cd,
433 	mm_mtlo32_op = 0x0f5,
434 	mm_di_op = 0x11d,
435 	mm_jalrs_op = 0x13c,
436 	mm_jalrshb_op = 0x17c,
437 	mm_sync_op = 0x1ad,
438 	mm_syscall_op = 0x22d,
439 	mm_wait_op = 0x24d,
440 	mm_eret_op = 0x3cd,
441 	mm_divu_op = 0x5dc,
442 };
443 
444 /*
445  * (microMIPS) POOL32F minor opcodes.
446  */
447 enum mm_32f_minor_op {
448 	mm_32f_00_op = 0x00,
449 	mm_32f_01_op = 0x01,
450 	mm_32f_02_op = 0x02,
451 	mm_32f_10_op = 0x08,
452 	mm_32f_11_op = 0x09,
453 	mm_32f_12_op = 0x0a,
454 	mm_32f_20_op = 0x10,
455 	mm_32f_30_op = 0x18,
456 	mm_32f_40_op = 0x20,
457 	mm_32f_41_op = 0x21,
458 	mm_32f_42_op = 0x22,
459 	mm_32f_50_op = 0x28,
460 	mm_32f_51_op = 0x29,
461 	mm_32f_52_op = 0x2a,
462 	mm_32f_60_op = 0x30,
463 	mm_32f_70_op = 0x38,
464 	mm_32f_73_op = 0x3b,
465 	mm_32f_74_op = 0x3c,
466 };
467 
468 /*
469  * (microMIPS) POOL32F secondary minor opcodes.
470  */
471 enum mm_32f_10_minor_op {
472 	mm_lwxc1_op = 0x1,
473 	mm_swxc1_op,
474 	mm_ldxc1_op,
475 	mm_sdxc1_op,
476 	mm_luxc1_op,
477 	mm_suxc1_op,
478 };
479 
480 enum mm_32f_func {
481 	mm_lwxc1_func = 0x048,
482 	mm_swxc1_func = 0x088,
483 	mm_ldxc1_func = 0x0c8,
484 	mm_sdxc1_func = 0x108,
485 };
486 
487 /*
488  * (microMIPS) POOL32F secondary minor opcodes.
489  */
490 enum mm_32f_40_minor_op {
491 	mm_fmovf_op,
492 	mm_fmovt_op,
493 };
494 
495 /*
496  * (microMIPS) POOL32F secondary minor opcodes.
497  */
498 enum mm_32f_60_minor_op {
499 	mm_fadd_op,
500 	mm_fsub_op,
501 	mm_fmul_op,
502 	mm_fdiv_op,
503 };
504 
505 /*
506  * (microMIPS) POOL32F secondary minor opcodes.
507  */
508 enum mm_32f_70_minor_op {
509 	mm_fmovn_op,
510 	mm_fmovz_op,
511 };
512 
513 /*
514  * (microMIPS) POOL32FXF secondary minor opcodes for POOL32F.
515  */
516 enum mm_32f_73_minor_op {
517 	mm_fmov0_op = 0x01,
518 	mm_fcvtl_op = 0x04,
519 	mm_movf0_op = 0x05,
520 	mm_frsqrt_op = 0x08,
521 	mm_ffloorl_op = 0x0c,
522 	mm_fabs0_op = 0x0d,
523 	mm_fcvtw_op = 0x24,
524 	mm_movt0_op = 0x25,
525 	mm_fsqrt_op = 0x28,
526 	mm_ffloorw_op = 0x2c,
527 	mm_fneg0_op = 0x2d,
528 	mm_cfc1_op = 0x40,
529 	mm_frecip_op = 0x48,
530 	mm_fceill_op = 0x4c,
531 	mm_fcvtd0_op = 0x4d,
532 	mm_ctc1_op = 0x60,
533 	mm_fceilw_op = 0x6c,
534 	mm_fcvts0_op = 0x6d,
535 	mm_mfc1_op = 0x80,
536 	mm_fmov1_op = 0x81,
537 	mm_movf1_op = 0x85,
538 	mm_ftruncl_op = 0x8c,
539 	mm_fabs1_op = 0x8d,
540 	mm_mtc1_op = 0xa0,
541 	mm_movt1_op = 0xa5,
542 	mm_ftruncw_op = 0xac,
543 	mm_fneg1_op = 0xad,
544 	mm_mfhc1_op = 0xc0,
545 	mm_froundl_op = 0xcc,
546 	mm_fcvtd1_op = 0xcd,
547 	mm_mthc1_op = 0xe0,
548 	mm_froundw_op = 0xec,
549 	mm_fcvts1_op = 0xed,
550 };
551 
552 /*
553  * (microMIPS) POOL32S minor opcodes.
554  */
555 enum mm_32s_minor_op {
556 	mm_32s_elm_op = 0x16,
557 };
558 
559 /*
560  * (microMIPS) POOL16C minor opcodes.
561  */
562 enum mm_16c_minor_op {
563 	mm_lwm16_op = 0x04,
564 	mm_swm16_op = 0x05,
565 	mm_jr16_op = 0x0c,
566 	mm_jrc_op = 0x0d,
567 	mm_jalr16_op = 0x0e,
568 	mm_jalrs16_op = 0x0f,
569 	mm_jraddiusp_op = 0x18,
570 };
571 
572 /*
573  * (microMIPS) POOL16D minor opcodes.
574  */
575 enum mm_16d_minor_op {
576 	mm_addius5_func,
577 	mm_addiusp_func,
578 };
579 
580 /*
581  * (MIPS16e) opcodes.
582  */
583 enum MIPS16e_ops {
584 	MIPS16e_jal_op = 003,
585 	MIPS16e_ld_op = 007,
586 	MIPS16e_i8_op = 014,
587 	MIPS16e_sd_op = 017,
588 	MIPS16e_lb_op = 020,
589 	MIPS16e_lh_op = 021,
590 	MIPS16e_lwsp_op = 022,
591 	MIPS16e_lw_op = 023,
592 	MIPS16e_lbu_op = 024,
593 	MIPS16e_lhu_op = 025,
594 	MIPS16e_lwpc_op = 026,
595 	MIPS16e_lwu_op = 027,
596 	MIPS16e_sb_op = 030,
597 	MIPS16e_sh_op = 031,
598 	MIPS16e_swsp_op = 032,
599 	MIPS16e_sw_op = 033,
600 	MIPS16e_rr_op = 035,
601 	MIPS16e_extend_op = 036,
602 	MIPS16e_i64_op = 037,
603 };
604 
605 enum MIPS16e_i64_func {
606 	MIPS16e_ldsp_func,
607 	MIPS16e_sdsp_func,
608 	MIPS16e_sdrasp_func,
609 	MIPS16e_dadjsp_func,
610 	MIPS16e_ldpc_func,
611 };
612 
613 enum MIPS16e_rr_func {
614 	MIPS16e_jr_func,
615 };
616 
617 enum MIPS6e_i8_func {
618 	MIPS16e_swrasp_func = 02,
619 };
620 
621 /*
622  * (microMIPS) NOP instruction.
623  */
624 #define MM_NOP16	0x0c00
625 
626 struct j_format {
627 	__BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */
628 	__BITFIELD_FIELD(unsigned int target : 26,
629 	;))
630 };
631 
632 struct i_format {			/* signed immediate format */
633 	__BITFIELD_FIELD(unsigned int opcode : 6,
634 	__BITFIELD_FIELD(unsigned int rs : 5,
635 	__BITFIELD_FIELD(unsigned int rt : 5,
636 	__BITFIELD_FIELD(signed int simmediate : 16,
637 	;))))
638 };
639 
640 struct u_format {			/* unsigned immediate format */
641 	__BITFIELD_FIELD(unsigned int opcode : 6,
642 	__BITFIELD_FIELD(unsigned int rs : 5,
643 	__BITFIELD_FIELD(unsigned int rt : 5,
644 	__BITFIELD_FIELD(unsigned int uimmediate : 16,
645 	;))))
646 };
647 
648 struct c_format {			/* Cache (>= R6000) format */
649 	__BITFIELD_FIELD(unsigned int opcode : 6,
650 	__BITFIELD_FIELD(unsigned int rs : 5,
651 	__BITFIELD_FIELD(unsigned int c_op : 3,
652 	__BITFIELD_FIELD(unsigned int cache : 2,
653 	__BITFIELD_FIELD(unsigned int simmediate : 16,
654 	;)))))
655 };
656 
657 struct r_format {			/* Register format */
658 	__BITFIELD_FIELD(unsigned int opcode : 6,
659 	__BITFIELD_FIELD(unsigned int rs : 5,
660 	__BITFIELD_FIELD(unsigned int rt : 5,
661 	__BITFIELD_FIELD(unsigned int rd : 5,
662 	__BITFIELD_FIELD(unsigned int re : 5,
663 	__BITFIELD_FIELD(unsigned int func : 6,
664 	;))))))
665 };
666 
667 struct c0r_format {			/* C0 register format */
668 	__BITFIELD_FIELD(unsigned int opcode : 6,
669 	__BITFIELD_FIELD(unsigned int rs : 5,
670 	__BITFIELD_FIELD(unsigned int rt : 5,
671 	__BITFIELD_FIELD(unsigned int rd : 5,
672 	__BITFIELD_FIELD(unsigned int z: 8,
673 	__BITFIELD_FIELD(unsigned int sel : 3,
674 	;))))))
675 };
676 
677 struct mfmc0_format {			/* MFMC0 register format */
678 	__BITFIELD_FIELD(unsigned int opcode : 6,
679 	__BITFIELD_FIELD(unsigned int rs : 5,
680 	__BITFIELD_FIELD(unsigned int rt : 5,
681 	__BITFIELD_FIELD(unsigned int rd : 5,
682 	__BITFIELD_FIELD(unsigned int re : 5,
683 	__BITFIELD_FIELD(unsigned int sc : 1,
684 	__BITFIELD_FIELD(unsigned int : 2,
685 	__BITFIELD_FIELD(unsigned int sel : 3,
686 	;))))))))
687 };
688 
689 struct co_format {			/* C0 CO format */
690 	__BITFIELD_FIELD(unsigned int opcode : 6,
691 	__BITFIELD_FIELD(unsigned int co : 1,
692 	__BITFIELD_FIELD(unsigned int code : 19,
693 	__BITFIELD_FIELD(unsigned int func : 6,
694 	;))))
695 };
696 
697 struct p_format {		/* Performance counter format (R10000) */
698 	__BITFIELD_FIELD(unsigned int opcode : 6,
699 	__BITFIELD_FIELD(unsigned int rs : 5,
700 	__BITFIELD_FIELD(unsigned int rt : 5,
701 	__BITFIELD_FIELD(unsigned int rd : 5,
702 	__BITFIELD_FIELD(unsigned int re : 5,
703 	__BITFIELD_FIELD(unsigned int func : 6,
704 	;))))))
705 };
706 
707 struct f_format {			/* FPU register format */
708 	__BITFIELD_FIELD(unsigned int opcode : 6,
709 	__BITFIELD_FIELD(unsigned int : 1,
710 	__BITFIELD_FIELD(unsigned int fmt : 4,
711 	__BITFIELD_FIELD(unsigned int rt : 5,
712 	__BITFIELD_FIELD(unsigned int rd : 5,
713 	__BITFIELD_FIELD(unsigned int re : 5,
714 	__BITFIELD_FIELD(unsigned int func : 6,
715 	;)))))))
716 };
717 
718 struct ma_format {		/* FPU multiply and add format (MIPS IV) */
719 	__BITFIELD_FIELD(unsigned int opcode : 6,
720 	__BITFIELD_FIELD(unsigned int fr : 5,
721 	__BITFIELD_FIELD(unsigned int ft : 5,
722 	__BITFIELD_FIELD(unsigned int fs : 5,
723 	__BITFIELD_FIELD(unsigned int fd : 5,
724 	__BITFIELD_FIELD(unsigned int func : 4,
725 	__BITFIELD_FIELD(unsigned int fmt : 2,
726 	;)))))))
727 };
728 
729 struct b_format {			/* BREAK and SYSCALL */
730 	__BITFIELD_FIELD(unsigned int opcode : 6,
731 	__BITFIELD_FIELD(unsigned int code : 20,
732 	__BITFIELD_FIELD(unsigned int func : 6,
733 	;)))
734 };
735 
736 struct ps_format {			/* MIPS-3D / paired single format */
737 	__BITFIELD_FIELD(unsigned int opcode : 6,
738 	__BITFIELD_FIELD(unsigned int rs : 5,
739 	__BITFIELD_FIELD(unsigned int ft : 5,
740 	__BITFIELD_FIELD(unsigned int fs : 5,
741 	__BITFIELD_FIELD(unsigned int fd : 5,
742 	__BITFIELD_FIELD(unsigned int func : 6,
743 	;))))))
744 };
745 
746 struct v_format {				/* MDMX vector format */
747 	__BITFIELD_FIELD(unsigned int opcode : 6,
748 	__BITFIELD_FIELD(unsigned int sel : 4,
749 	__BITFIELD_FIELD(unsigned int fmt : 1,
750 	__BITFIELD_FIELD(unsigned int vt : 5,
751 	__BITFIELD_FIELD(unsigned int vs : 5,
752 	__BITFIELD_FIELD(unsigned int vd : 5,
753 	__BITFIELD_FIELD(unsigned int func : 6,
754 	;)))))))
755 };
756 
757 struct msa_mi10_format {		/* MSA MI10 */
758 	__BITFIELD_FIELD(unsigned int opcode : 6,
759 	__BITFIELD_FIELD(signed int s10 : 10,
760 	__BITFIELD_FIELD(unsigned int rs : 5,
761 	__BITFIELD_FIELD(unsigned int wd : 5,
762 	__BITFIELD_FIELD(unsigned int func : 4,
763 	__BITFIELD_FIELD(unsigned int df : 2,
764 	;))))))
765 };
766 
767 struct dsp_format {		/* SPEC3 DSP format instructions */
768 	__BITFIELD_FIELD(unsigned int opcode : 6,
769 	__BITFIELD_FIELD(unsigned int base : 5,
770 	__BITFIELD_FIELD(unsigned int index : 5,
771 	__BITFIELD_FIELD(unsigned int rd : 5,
772 	__BITFIELD_FIELD(unsigned int op : 5,
773 	__BITFIELD_FIELD(unsigned int func : 6,
774 	;))))))
775 };
776 
777 struct spec3_format {   /* SPEC3 */
778 	__BITFIELD_FIELD(unsigned int opcode:6,
779 	__BITFIELD_FIELD(unsigned int rs:5,
780 	__BITFIELD_FIELD(unsigned int rt:5,
781 	__BITFIELD_FIELD(signed int simmediate:9,
782 	__BITFIELD_FIELD(unsigned int func:7,
783 	;)))))
784 };
785 
786 /*
787  * microMIPS instruction formats (32-bit length)
788  *
789  * NOTE:
790  *	Parenthesis denote whether the format is a microMIPS instruction or
791  *	if it is MIPS32 instruction re-encoded for use in the microMIPS ASE.
792  */
793 struct fb_format {		/* FPU branch format (MIPS32) */
794 	__BITFIELD_FIELD(unsigned int opcode : 6,
795 	__BITFIELD_FIELD(unsigned int bc : 5,
796 	__BITFIELD_FIELD(unsigned int cc : 3,
797 	__BITFIELD_FIELD(unsigned int flag : 2,
798 	__BITFIELD_FIELD(signed int simmediate : 16,
799 	;)))))
800 };
801 
802 struct fp0_format {		/* FPU multiply and add format (MIPS32) */
803 	__BITFIELD_FIELD(unsigned int opcode : 6,
804 	__BITFIELD_FIELD(unsigned int fmt : 5,
805 	__BITFIELD_FIELD(unsigned int ft : 5,
806 	__BITFIELD_FIELD(unsigned int fs : 5,
807 	__BITFIELD_FIELD(unsigned int fd : 5,
808 	__BITFIELD_FIELD(unsigned int func : 6,
809 	;))))))
810 };
811 
812 struct mm_fp0_format {		/* FPU multiply and add format (microMIPS) */
813 	__BITFIELD_FIELD(unsigned int opcode : 6,
814 	__BITFIELD_FIELD(unsigned int ft : 5,
815 	__BITFIELD_FIELD(unsigned int fs : 5,
816 	__BITFIELD_FIELD(unsigned int fd : 5,
817 	__BITFIELD_FIELD(unsigned int fmt : 3,
818 	__BITFIELD_FIELD(unsigned int op : 2,
819 	__BITFIELD_FIELD(unsigned int func : 6,
820 	;)))))))
821 };
822 
823 struct fp1_format {		/* FPU mfc1 and cfc1 format (MIPS32) */
824 	__BITFIELD_FIELD(unsigned int opcode : 6,
825 	__BITFIELD_FIELD(unsigned int op : 5,
826 	__BITFIELD_FIELD(unsigned int rt : 5,
827 	__BITFIELD_FIELD(unsigned int fs : 5,
828 	__BITFIELD_FIELD(unsigned int fd : 5,
829 	__BITFIELD_FIELD(unsigned int func : 6,
830 	;))))))
831 };
832 
833 struct mm_fp1_format {		/* FPU mfc1 and cfc1 format (microMIPS) */
834 	__BITFIELD_FIELD(unsigned int opcode : 6,
835 	__BITFIELD_FIELD(unsigned int rt : 5,
836 	__BITFIELD_FIELD(unsigned int fs : 5,
837 	__BITFIELD_FIELD(unsigned int fmt : 2,
838 	__BITFIELD_FIELD(unsigned int op : 8,
839 	__BITFIELD_FIELD(unsigned int func : 6,
840 	;))))))
841 };
842 
843 struct mm_fp2_format {		/* FPU movt and movf format (microMIPS) */
844 	__BITFIELD_FIELD(unsigned int opcode : 6,
845 	__BITFIELD_FIELD(unsigned int fd : 5,
846 	__BITFIELD_FIELD(unsigned int fs : 5,
847 	__BITFIELD_FIELD(unsigned int cc : 3,
848 	__BITFIELD_FIELD(unsigned int zero : 2,
849 	__BITFIELD_FIELD(unsigned int fmt : 2,
850 	__BITFIELD_FIELD(unsigned int op : 3,
851 	__BITFIELD_FIELD(unsigned int func : 6,
852 	;))))))))
853 };
854 
855 struct mm_fp3_format {		/* FPU abs and neg format (microMIPS) */
856 	__BITFIELD_FIELD(unsigned int opcode : 6,
857 	__BITFIELD_FIELD(unsigned int rt : 5,
858 	__BITFIELD_FIELD(unsigned int fs : 5,
859 	__BITFIELD_FIELD(unsigned int fmt : 3,
860 	__BITFIELD_FIELD(unsigned int op : 7,
861 	__BITFIELD_FIELD(unsigned int func : 6,
862 	;))))))
863 };
864 
865 struct mm_fp4_format {		/* FPU c.cond format (microMIPS) */
866 	__BITFIELD_FIELD(unsigned int opcode : 6,
867 	__BITFIELD_FIELD(unsigned int rt : 5,
868 	__BITFIELD_FIELD(unsigned int fs : 5,
869 	__BITFIELD_FIELD(unsigned int cc : 3,
870 	__BITFIELD_FIELD(unsigned int fmt : 3,
871 	__BITFIELD_FIELD(unsigned int cond : 4,
872 	__BITFIELD_FIELD(unsigned int func : 6,
873 	;)))))))
874 };
875 
876 struct mm_fp5_format {		/* FPU lwxc1 and swxc1 format (microMIPS) */
877 	__BITFIELD_FIELD(unsigned int opcode : 6,
878 	__BITFIELD_FIELD(unsigned int index : 5,
879 	__BITFIELD_FIELD(unsigned int base : 5,
880 	__BITFIELD_FIELD(unsigned int fd : 5,
881 	__BITFIELD_FIELD(unsigned int op : 5,
882 	__BITFIELD_FIELD(unsigned int func : 6,
883 	;))))))
884 };
885 
886 struct fp6_format {		/* FPU madd and msub format (MIPS IV) */
887 	__BITFIELD_FIELD(unsigned int opcode : 6,
888 	__BITFIELD_FIELD(unsigned int fr : 5,
889 	__BITFIELD_FIELD(unsigned int ft : 5,
890 	__BITFIELD_FIELD(unsigned int fs : 5,
891 	__BITFIELD_FIELD(unsigned int fd : 5,
892 	__BITFIELD_FIELD(unsigned int func : 6,
893 	;))))))
894 };
895 
896 struct mm_fp6_format {		/* FPU madd and msub format (microMIPS) */
897 	__BITFIELD_FIELD(unsigned int opcode : 6,
898 	__BITFIELD_FIELD(unsigned int ft : 5,
899 	__BITFIELD_FIELD(unsigned int fs : 5,
900 	__BITFIELD_FIELD(unsigned int fd : 5,
901 	__BITFIELD_FIELD(unsigned int fr : 5,
902 	__BITFIELD_FIELD(unsigned int func : 6,
903 	;))))))
904 };
905 
906 struct mm_i_format {		/* Immediate format (microMIPS) */
907 	__BITFIELD_FIELD(unsigned int opcode : 6,
908 	__BITFIELD_FIELD(unsigned int rt : 5,
909 	__BITFIELD_FIELD(unsigned int rs : 5,
910 	__BITFIELD_FIELD(signed int simmediate : 16,
911 	;))))
912 };
913 
914 struct mm_m_format {		/* Multi-word load/store format (microMIPS) */
915 	__BITFIELD_FIELD(unsigned int opcode : 6,
916 	__BITFIELD_FIELD(unsigned int rd : 5,
917 	__BITFIELD_FIELD(unsigned int base : 5,
918 	__BITFIELD_FIELD(unsigned int func : 4,
919 	__BITFIELD_FIELD(signed int simmediate : 12,
920 	;)))))
921 };
922 
923 struct mm_x_format {		/* Scaled indexed load format (microMIPS) */
924 	__BITFIELD_FIELD(unsigned int opcode : 6,
925 	__BITFIELD_FIELD(unsigned int index : 5,
926 	__BITFIELD_FIELD(unsigned int base : 5,
927 	__BITFIELD_FIELD(unsigned int rd : 5,
928 	__BITFIELD_FIELD(unsigned int func : 11,
929 	;)))))
930 };
931 
932 struct mm_a_format {		/* ADDIUPC format (microMIPS) */
933 	__BITFIELD_FIELD(unsigned int opcode : 6,
934 	__BITFIELD_FIELD(unsigned int rs : 3,
935 	__BITFIELD_FIELD(signed int simmediate : 23,
936 	;)))
937 };
938 
939 /*
940  * microMIPS instruction formats (16-bit length)
941  */
942 struct mm_b0_format {		/* Unconditional branch format (microMIPS) */
943 	__BITFIELD_FIELD(unsigned int opcode : 6,
944 	__BITFIELD_FIELD(signed int simmediate : 10,
945 	__BITFIELD_FIELD(unsigned int : 16, /* Ignored */
946 	;)))
947 };
948 
949 struct mm_b1_format {		/* Conditional branch format (microMIPS) */
950 	__BITFIELD_FIELD(unsigned int opcode : 6,
951 	__BITFIELD_FIELD(unsigned int rs : 3,
952 	__BITFIELD_FIELD(signed int simmediate : 7,
953 	__BITFIELD_FIELD(unsigned int : 16, /* Ignored */
954 	;))))
955 };
956 
957 struct mm16_m_format {		/* Multi-word load/store format */
958 	__BITFIELD_FIELD(unsigned int opcode : 6,
959 	__BITFIELD_FIELD(unsigned int func : 4,
960 	__BITFIELD_FIELD(unsigned int rlist : 2,
961 	__BITFIELD_FIELD(unsigned int imm : 4,
962 	__BITFIELD_FIELD(unsigned int : 16, /* Ignored */
963 	;)))))
964 };
965 
966 struct mm16_rb_format {		/* Signed immediate format */
967 	__BITFIELD_FIELD(unsigned int opcode : 6,
968 	__BITFIELD_FIELD(unsigned int rt : 3,
969 	__BITFIELD_FIELD(unsigned int base : 3,
970 	__BITFIELD_FIELD(signed int simmediate : 4,
971 	__BITFIELD_FIELD(unsigned int : 16, /* Ignored */
972 	;)))))
973 };
974 
975 struct mm16_r3_format {		/* Load from global pointer format */
976 	__BITFIELD_FIELD(unsigned int opcode : 6,
977 	__BITFIELD_FIELD(unsigned int rt : 3,
978 	__BITFIELD_FIELD(signed int simmediate : 7,
979 	__BITFIELD_FIELD(unsigned int : 16, /* Ignored */
980 	;))))
981 };
982 
983 struct mm16_r5_format {		/* Load/store from stack pointer format */
984 	__BITFIELD_FIELD(unsigned int opcode : 6,
985 	__BITFIELD_FIELD(unsigned int rt : 5,
986 	__BITFIELD_FIELD(unsigned int imm : 5,
987 	__BITFIELD_FIELD(unsigned int : 16, /* Ignored */
988 	;))))
989 };
990 
991 /*
992  * MIPS16e instruction formats (16-bit length)
993  */
994 struct m16e_rr {
995 	__BITFIELD_FIELD(unsigned int opcode : 5,
996 	__BITFIELD_FIELD(unsigned int rx : 3,
997 	__BITFIELD_FIELD(unsigned int nd : 1,
998 	__BITFIELD_FIELD(unsigned int l : 1,
999 	__BITFIELD_FIELD(unsigned int ra : 1,
1000 	__BITFIELD_FIELD(unsigned int func : 5,
1001 	;))))))
1002 };
1003 
1004 struct m16e_jal {
1005 	__BITFIELD_FIELD(unsigned int opcode : 5,
1006 	__BITFIELD_FIELD(unsigned int x : 1,
1007 	__BITFIELD_FIELD(unsigned int imm20_16 : 5,
1008 	__BITFIELD_FIELD(signed int imm25_21 : 5,
1009 	;))))
1010 };
1011 
1012 struct m16e_i64 {
1013 	__BITFIELD_FIELD(unsigned int opcode : 5,
1014 	__BITFIELD_FIELD(unsigned int func : 3,
1015 	__BITFIELD_FIELD(unsigned int imm : 8,
1016 	;)))
1017 };
1018 
1019 struct m16e_ri64 {
1020 	__BITFIELD_FIELD(unsigned int opcode : 5,
1021 	__BITFIELD_FIELD(unsigned int func : 3,
1022 	__BITFIELD_FIELD(unsigned int ry : 3,
1023 	__BITFIELD_FIELD(unsigned int imm : 5,
1024 	;))))
1025 };
1026 
1027 struct m16e_ri {
1028 	__BITFIELD_FIELD(unsigned int opcode : 5,
1029 	__BITFIELD_FIELD(unsigned int rx : 3,
1030 	__BITFIELD_FIELD(unsigned int imm : 8,
1031 	;)))
1032 };
1033 
1034 struct m16e_rri {
1035 	__BITFIELD_FIELD(unsigned int opcode : 5,
1036 	__BITFIELD_FIELD(unsigned int rx : 3,
1037 	__BITFIELD_FIELD(unsigned int ry : 3,
1038 	__BITFIELD_FIELD(unsigned int imm : 5,
1039 	;))))
1040 };
1041 
1042 struct m16e_i8 {
1043 	__BITFIELD_FIELD(unsigned int opcode : 5,
1044 	__BITFIELD_FIELD(unsigned int func : 3,
1045 	__BITFIELD_FIELD(unsigned int imm : 8,
1046 	;)))
1047 };
1048 
1049 union mips_instruction {
1050 	unsigned int word;
1051 	unsigned short halfword[2];
1052 	unsigned char byte[4];
1053 	struct j_format j_format;
1054 	struct i_format i_format;
1055 	struct u_format u_format;
1056 	struct c_format c_format;
1057 	struct r_format r_format;
1058 	struct c0r_format c0r_format;
1059 	struct mfmc0_format mfmc0_format;
1060 	struct co_format co_format;
1061 	struct p_format p_format;
1062 	struct f_format f_format;
1063 	struct ma_format ma_format;
1064 	struct msa_mi10_format msa_mi10_format;
1065 	struct b_format b_format;
1066 	struct ps_format ps_format;
1067 	struct v_format v_format;
1068 	struct dsp_format dsp_format;
1069 	struct spec3_format spec3_format;
1070 	struct fb_format fb_format;
1071 	struct fp0_format fp0_format;
1072 	struct mm_fp0_format mm_fp0_format;
1073 	struct fp1_format fp1_format;
1074 	struct mm_fp1_format mm_fp1_format;
1075 	struct mm_fp2_format mm_fp2_format;
1076 	struct mm_fp3_format mm_fp3_format;
1077 	struct mm_fp4_format mm_fp4_format;
1078 	struct mm_fp5_format mm_fp5_format;
1079 	struct fp6_format fp6_format;
1080 	struct mm_fp6_format mm_fp6_format;
1081 	struct mm_i_format mm_i_format;
1082 	struct mm_m_format mm_m_format;
1083 	struct mm_x_format mm_x_format;
1084 	struct mm_a_format mm_a_format;
1085 	struct mm_b0_format mm_b0_format;
1086 	struct mm_b1_format mm_b1_format;
1087 	struct mm16_m_format mm16_m_format ;
1088 	struct mm16_rb_format mm16_rb_format;
1089 	struct mm16_r3_format mm16_r3_format;
1090 	struct mm16_r5_format mm16_r5_format;
1091 };
1092 
1093 union mips16e_instruction {
1094 	unsigned int full : 16;
1095 	struct m16e_rr rr;
1096 	struct m16e_jal jal;
1097 	struct m16e_i64 i64;
1098 	struct m16e_ri64 ri64;
1099 	struct m16e_ri ri;
1100 	struct m16e_rri rri;
1101 	struct m16e_i8 i8;
1102 };
1103 
1104 #endif /* _UAPI_ASM_INST_H */
1105