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 */
22enum 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 */
44enum 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, seleqz_op, tne_op, selnez_op,
59	dsll_op, spec5_unused_op, dsrl_op, dsra_op,
60	dsll32_op, spec6_unused_op, dsrl32_op, dsra32_op
61};
62
63/*
64 * func field of spec2 opcode.
65 */
66enum 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 */
77enum 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 */
99enum mult_op {
100	mult_mult_op = 0x0,
101	mult_mul_op = 0x2,
102	mult_muh_op = 0x3,
103};
104enum multu_op {
105	multu_multu_op = 0x0,
106	multu_mulu_op = 0x2,
107	multu_muhu_op = 0x3,
108};
109enum div_op {
110	div_div_op = 0x0,
111	div_div6_op = 0x2,
112	div_mod_op = 0x3,
113};
114enum divu_op {
115	divu_divu_op = 0x0,
116	divu_divu6_op = 0x2,
117	divu_modu_op = 0x3,
118};
119enum dmult_op {
120	dmult_dmult_op = 0x0,
121	dmult_dmul_op = 0x2,
122	dmult_dmuh_op = 0x3,
123};
124enum dmultu_op {
125	dmultu_dmultu_op = 0x0,
126	dmultu_dmulu_op = 0x2,
127	dmultu_dmuhu_op = 0x3,
128};
129enum ddiv_op {
130	ddiv_ddiv_op = 0x0,
131	ddiv_ddiv6_op = 0x2,
132	ddiv_dmod_op = 0x3,
133};
134enum 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 */
143enum 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 */
157enum 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 */
172enum bcop_op {
173	bcf_op, bct_op, bcfl_op, bctl_op
174};
175
176/*
177 * func field of cop0 coi opcodes.
178 */
179enum 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 */
189enum 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 */
198enum 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 */
206enum 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 */
232enum 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 */
247enum 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 */
255enum 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 */
265enum 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 */
278enum bshfl_func {
279	wsbh_op = 0x2,
280	seb_op  = 0x10,
281	seh_op  = 0x18,
282};
283
284/*
285 * DBSHFL opcodes
286 */
287enum dbshfl_func {
288	dsbh_op = 0x2,
289	dshd_op = 0x5,
290};
291
292/*
293 * MSA minor opcodes.
294 */
295enum msa_func {
296	msa_elm_op = 0x19,
297};
298
299/*
300 * MSA ELM opcodes.
301 */
302enum msa_elm {
303	msa_ctc_op = 0x3e,
304	msa_cfc_op = 0x7e,
305};
306
307/*
308 * func field for MSA MI10 format.
309 */
310enum msa_mi10_func {
311	msa_ld_op = 8,
312	msa_st_op = 9,
313};
314
315/*
316 * MSA 2 bit format fields.
317 */
318enum 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 */
328enum 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 */
350enum 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 */
365enum 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 */
391enum 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 */
410enum 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 */
421enum 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 */
447enum 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 */
471enum 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
480enum 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 */
490enum mm_32f_40_minor_op {
491	mm_fmovf_op,
492	mm_fmovt_op,
493};
494
495/*
496 * (microMIPS) POOL32F secondary minor opcodes.
497 */
498enum 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 */
508enum 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 */
516enum 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 */
555enum mm_32s_minor_op {
556	mm_32s_elm_op = 0x16,
557};
558
559/*
560 * (microMIPS) POOL16C minor opcodes.
561 */
562enum 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 */
575enum mm_16d_minor_op {
576	mm_addius5_func,
577	mm_addiusp_func,
578};
579
580/*
581 * (MIPS16e) opcodes.
582 */
583enum 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
605enum 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
613enum MIPS16e_rr_func {
614	MIPS16e_jr_func,
615};
616
617enum MIPS6e_i8_func {
618	MIPS16e_swrasp_func = 02,
619};
620
621/*
622 * (microMIPS) NOP instruction.
623 */
624#define MM_NOP16	0x0c00
625
626struct j_format {
627	__BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */
628	__BITFIELD_FIELD(unsigned int target : 26,
629	;))
630};
631
632struct 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
640struct 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
648struct 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
657struct 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
667struct 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
677struct 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
689struct 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
697struct 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
707struct 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
718struct 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
729struct 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
736struct 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
746struct 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
757struct 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
767struct 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
777struct 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 */
793struct 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
802struct 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
812struct 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
823struct 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
833struct 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
843struct 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
855struct 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
865struct 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
876struct 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
886struct 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
896struct 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
906struct 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
914struct 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
923struct 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
932struct 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 */
942struct 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
949struct 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
957struct 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
966struct 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
975struct 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
983struct 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 * Loongson-3 overridden COP2 instruction formats (32-bit length)
993 */
994struct loongson3_lswc2_format {	/* Loongson-3 overridden lwc2/swc2 Load/Store format */
995	__BITFIELD_FIELD(unsigned int opcode : 6,
996	__BITFIELD_FIELD(unsigned int base : 5,
997	__BITFIELD_FIELD(unsigned int rt : 5,
998	__BITFIELD_FIELD(unsigned int fr : 1,
999	__BITFIELD_FIELD(unsigned int offset : 9,
1000	__BITFIELD_FIELD(unsigned int ls : 1,
1001	__BITFIELD_FIELD(unsigned int rq : 5,
1002	;)))))))
1003};
1004
1005struct loongson3_lsdc2_format {	/* Loongson-3 overridden ldc2/sdc2 Load/Store format */
1006	__BITFIELD_FIELD(unsigned int opcode : 6,
1007	__BITFIELD_FIELD(unsigned int base : 5,
1008	__BITFIELD_FIELD(unsigned int rt : 5,
1009	__BITFIELD_FIELD(unsigned int index : 5,
1010	__BITFIELD_FIELD(unsigned int offset : 8,
1011	__BITFIELD_FIELD(unsigned int opcode1 : 3,
1012	;))))))
1013};
1014
1015struct loongson3_lscsr_format {	/* Loongson-3 CPUCFG&CSR read/write format */
1016	__BITFIELD_FIELD(unsigned int opcode : 6,
1017	__BITFIELD_FIELD(unsigned int rs : 5,
1018	__BITFIELD_FIELD(unsigned int fr : 5,
1019	__BITFIELD_FIELD(unsigned int rd : 5,
1020	__BITFIELD_FIELD(unsigned int fd : 5,
1021	__BITFIELD_FIELD(unsigned int func : 6,
1022	;))))))
1023};
1024
1025/*
1026 * MIPS16e instruction formats (16-bit length)
1027 */
1028struct m16e_rr {
1029	__BITFIELD_FIELD(unsigned int opcode : 5,
1030	__BITFIELD_FIELD(unsigned int rx : 3,
1031	__BITFIELD_FIELD(unsigned int nd : 1,
1032	__BITFIELD_FIELD(unsigned int l : 1,
1033	__BITFIELD_FIELD(unsigned int ra : 1,
1034	__BITFIELD_FIELD(unsigned int func : 5,
1035	;))))))
1036};
1037
1038struct m16e_jal {
1039	__BITFIELD_FIELD(unsigned int opcode : 5,
1040	__BITFIELD_FIELD(unsigned int x : 1,
1041	__BITFIELD_FIELD(unsigned int imm20_16 : 5,
1042	__BITFIELD_FIELD(signed int imm25_21 : 5,
1043	;))))
1044};
1045
1046struct m16e_i64 {
1047	__BITFIELD_FIELD(unsigned int opcode : 5,
1048	__BITFIELD_FIELD(unsigned int func : 3,
1049	__BITFIELD_FIELD(unsigned int imm : 8,
1050	;)))
1051};
1052
1053struct m16e_ri64 {
1054	__BITFIELD_FIELD(unsigned int opcode : 5,
1055	__BITFIELD_FIELD(unsigned int func : 3,
1056	__BITFIELD_FIELD(unsigned int ry : 3,
1057	__BITFIELD_FIELD(unsigned int imm : 5,
1058	;))))
1059};
1060
1061struct m16e_ri {
1062	__BITFIELD_FIELD(unsigned int opcode : 5,
1063	__BITFIELD_FIELD(unsigned int rx : 3,
1064	__BITFIELD_FIELD(unsigned int imm : 8,
1065	;)))
1066};
1067
1068struct m16e_rri {
1069	__BITFIELD_FIELD(unsigned int opcode : 5,
1070	__BITFIELD_FIELD(unsigned int rx : 3,
1071	__BITFIELD_FIELD(unsigned int ry : 3,
1072	__BITFIELD_FIELD(unsigned int imm : 5,
1073	;))))
1074};
1075
1076struct m16e_i8 {
1077	__BITFIELD_FIELD(unsigned int opcode : 5,
1078	__BITFIELD_FIELD(unsigned int func : 3,
1079	__BITFIELD_FIELD(unsigned int imm : 8,
1080	;)))
1081};
1082
1083union mips_instruction {
1084	unsigned int word;
1085	unsigned short halfword[2];
1086	unsigned char byte[4];
1087	struct j_format j_format;
1088	struct i_format i_format;
1089	struct u_format u_format;
1090	struct c_format c_format;
1091	struct r_format r_format;
1092	struct c0r_format c0r_format;
1093	struct mfmc0_format mfmc0_format;
1094	struct co_format co_format;
1095	struct p_format p_format;
1096	struct f_format f_format;
1097	struct ma_format ma_format;
1098	struct msa_mi10_format msa_mi10_format;
1099	struct b_format b_format;
1100	struct ps_format ps_format;
1101	struct v_format v_format;
1102	struct dsp_format dsp_format;
1103	struct spec3_format spec3_format;
1104	struct fb_format fb_format;
1105	struct fp0_format fp0_format;
1106	struct mm_fp0_format mm_fp0_format;
1107	struct fp1_format fp1_format;
1108	struct mm_fp1_format mm_fp1_format;
1109	struct mm_fp2_format mm_fp2_format;
1110	struct mm_fp3_format mm_fp3_format;
1111	struct mm_fp4_format mm_fp4_format;
1112	struct mm_fp5_format mm_fp5_format;
1113	struct fp6_format fp6_format;
1114	struct mm_fp6_format mm_fp6_format;
1115	struct mm_i_format mm_i_format;
1116	struct mm_m_format mm_m_format;
1117	struct mm_x_format mm_x_format;
1118	struct mm_a_format mm_a_format;
1119	struct mm_b0_format mm_b0_format;
1120	struct mm_b1_format mm_b1_format;
1121	struct mm16_m_format mm16_m_format ;
1122	struct mm16_rb_format mm16_rb_format;
1123	struct mm16_r3_format mm16_r3_format;
1124	struct mm16_r5_format mm16_r5_format;
1125	struct loongson3_lswc2_format loongson3_lswc2_format;
1126	struct loongson3_lsdc2_format loongson3_lsdc2_format;
1127	struct loongson3_lscsr_format loongson3_lscsr_format;
1128};
1129
1130union mips16e_instruction {
1131	unsigned int full : 16;
1132	struct m16e_rr rr;
1133	struct m16e_jal jal;
1134	struct m16e_i64 i64;
1135	struct m16e_ri64 ri64;
1136	struct m16e_ri ri;
1137	struct m16e_rri rri;
1138	struct m16e_i8 i8;
1139};
1140
1141#endif /* _UAPI_ASM_INST_H */
1142