1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * Format of an instruction in memory.
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
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.
14 #ifndef _UAPI_ASM_INST_H
15 #define _UAPI_ASM_INST_H
17 #include <asm/bitfield.h>
20 * Major opcodes; before MIPS IV cop1x was called cop3.
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
42 * func field of spec opcode.
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
64 * func field of spec2 opcode.
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
,
75 * func field of spec3 opcode.
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,
97 * Bits 10-6 minor opcode for r6 spec mult/div encodings
105 multu_multu_op
= 0x0,
120 dmult_dmult_op
= 0x0,
125 dmultu_dmultu_op
= 0x0,
126 dmultu_dmulu_op
= 0x2,
127 dmultu_dmuhu_op
= 0x3,
135 ddivu_ddivu_op
= 0x0,
136 ddivu_ddivu6_op
= 0x2,
137 ddivu_dmodu_op
= 0x3,
141 * rt field of bcond opcodes.
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
155 * rs field of cop opcodes.
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,
170 * rt field of cop.bc_op opcodes
173 bcf_op
, bct_op
, bcfl_op
, bctl_op
177 * func field of cop0 coi opcodes.
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
187 * func field of cop0 com opcodes.
190 tlbr1_op
= 0x01, tlbw_op
= 0x02,
191 tlbp1_op
= 0x08, dctr_op
= 0x09,
196 * fmt field of cop1 opcodes.
199 s_fmt
, d_fmt
, e_fmt
, q_fmt
,
204 * func field of cop1 instructions using d, s or w format.
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,
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,
230 * func field of cop1x opcodes (MIPS IV).
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,
245 * func field for mad opcodes (MIPS IV).
248 madd_fp_op
= 0x08, msub_fp_op
= 0x0a,
249 nmadd_fp_op
= 0x0c, nmsub_fp_op
= 0x0e
253 * func field for page table walker (Loongson-3).
263 * func field for special3 lx opcodes (Cavium Octeon).
276 * func field for special2 MXU opcodes (Ingenic XBurst MXU).
279 /* TODO, other MXU funcs */
284 * op field for special2 MXU LX opcodes (Ingenic XBurst MXU).
286 enum lx_ingenic_func
{
329 * func field for MSA MI10 format.
337 * MSA 2 bit format fields.
347 * (microMIPS) Major opcodes.
350 mm_pool32a_op
, mm_pool16a_op
, mm_lbu16_op
, mm_move16_op
,
351 mm_addi32_op
, mm_lbu32_op
, mm_sb32_op
, mm_lb32_op
,
352 mm_pool32b_op
, mm_pool16b_op
, mm_lhu16_op
, mm_andi16_op
,
353 mm_addiu32_op
, mm_lhu32_op
, mm_sh32_op
, mm_lh32_op
,
354 mm_pool32i_op
, mm_pool16c_op
, mm_lwsp16_op
, mm_pool16d_op
,
355 mm_ori32_op
, mm_pool32f_op
, mm_pool32s_op
, mm_reserved2_op
,
356 mm_pool32c_op
, mm_lwgp16_op
, mm_lw16_op
, mm_pool16e_op
,
357 mm_xori32_op
, mm_jals32_op
, mm_addiupc_op
, mm_reserved3_op
,
358 mm_reserved4_op
, mm_pool16f_op
, mm_sb16_op
, mm_beqz16_op
,
359 mm_slti32_op
, mm_beq32_op
, mm_swc132_op
, mm_lwc132_op
,
360 mm_reserved5_op
, mm_reserved6_op
, mm_sh16_op
, mm_bnez16_op
,
361 mm_sltiu32_op
, mm_bne32_op
, mm_sdc132_op
, mm_ldc132_op
,
362 mm_reserved7_op
, mm_reserved8_op
, mm_swsp16_op
, mm_b16_op
,
363 mm_andi32_op
, mm_j32_op
, mm_sd32_op
, mm_ld32_op
,
364 mm_reserved11_op
, mm_reserved12_op
, mm_sw16_op
, mm_li16_op
,
365 mm_jalx32_op
, mm_jal32_op
, mm_sw32_op
, mm_lw32_op
,
369 * (microMIPS) POOL32I minor opcodes.
371 enum mm_32i_minor_op
{
372 mm_bltz_op
, mm_bltzal_op
, mm_bgez_op
, mm_bgezal_op
,
373 mm_blez_op
, mm_bnezc_op
, mm_bgtz_op
, mm_beqzc_op
,
374 mm_tlti_op
, mm_tgei_op
, mm_tltiu_op
, mm_tgeiu_op
,
375 mm_tnei_op
, mm_lui_op
, mm_teqi_op
, mm_reserved13_op
,
376 mm_synci_op
, mm_bltzals_op
, mm_reserved14_op
, mm_bgezals_op
,
377 mm_bc2f_op
, mm_bc2t_op
, mm_reserved15_op
, mm_reserved16_op
,
378 mm_reserved17_op
, mm_reserved18_op
, mm_bposge64_op
, mm_bposge32_op
,
379 mm_bc1f_op
, mm_bc1t_op
, mm_reserved19_op
, mm_reserved20_op
,
380 mm_bc1any2f_op
, mm_bc1any2t_op
, mm_bc1any4f_op
, mm_bc1any4t_op
,
384 * (microMIPS) POOL32A minor opcodes.
386 enum mm_32a_minor_op
{
389 mm_sllv32_op
= 0x010,
391 mm_pool32axf_op
= 0x03c,
393 mm_srlv32_op
= 0x050,
398 mm_addu32_op
= 0x150,
399 mm_subu32_op
= 0x1d0,
410 * (microMIPS) POOL32B functions.
429 * (microMIPS) POOL32C functions.
440 * (microMIPS) POOL32AXF minor opcodes.
442 enum mm_32axf_minor_op
{
446 mm_mfhi32_op
= 0x035,
449 mm_mflo32_op
= 0x075,
450 mm_jalrhb_op
= 0x07c,
452 mm_mthi32_op
= 0x0b5,
454 mm_mtlo32_op
= 0x0f5,
457 mm_jalrshb_op
= 0x17c,
459 mm_syscall_op
= 0x22d,
466 * (microMIPS) POOL32F minor opcodes.
468 enum mm_32f_minor_op
{
490 * (microMIPS) POOL32F secondary minor opcodes.
492 enum mm_32f_10_minor_op
{
502 mm_lwxc1_func
= 0x048,
503 mm_swxc1_func
= 0x088,
504 mm_ldxc1_func
= 0x0c8,
505 mm_sdxc1_func
= 0x108,
509 * (microMIPS) POOL32F secondary minor opcodes.
511 enum mm_32f_40_minor_op
{
517 * (microMIPS) POOL32F secondary minor opcodes.
519 enum mm_32f_60_minor_op
{
527 * (microMIPS) POOL32F secondary minor opcodes.
529 enum mm_32f_70_minor_op
{
535 * (microMIPS) POOL32FXF secondary minor opcodes for POOL32F.
537 enum mm_32f_73_minor_op
{
542 mm_ffloorl_op
= 0x0c,
547 mm_ffloorw_op
= 0x2c,
559 mm_ftruncl_op
= 0x8c,
563 mm_ftruncw_op
= 0xac,
566 mm_froundl_op
= 0xcc,
569 mm_froundw_op
= 0xec,
574 * (microMIPS) POOL32S minor opcodes.
576 enum mm_32s_minor_op
{
577 mm_32s_elm_op
= 0x16,
581 * (microMIPS) POOL16C minor opcodes.
583 enum mm_16c_minor_op
{
589 mm_jalrs16_op
= 0x0f,
590 mm_jraddiusp_op
= 0x18,
594 * (microMIPS) POOL16D minor opcodes.
596 enum mm_16d_minor_op
{
605 MIPS16e_jal_op
= 003,
611 MIPS16e_lwsp_op
= 022,
613 MIPS16e_lbu_op
= 024,
614 MIPS16e_lhu_op
= 025,
615 MIPS16e_lwpc_op
= 026,
616 MIPS16e_lwu_op
= 027,
619 MIPS16e_swsp_op
= 032,
622 MIPS16e_extend_op
= 036,
623 MIPS16e_i64_op
= 037,
626 enum MIPS16e_i64_func
{
634 enum MIPS16e_rr_func
{
638 enum MIPS6e_i8_func
{
639 MIPS16e_swrasp_func
= 02,
643 * (microMIPS) NOP instruction.
645 #define MM_NOP16 0x0c00
648 __BITFIELD_FIELD(unsigned int opcode
: 6, /* Jump format */
649 __BITFIELD_FIELD(unsigned int target
: 26,
653 struct i_format
{ /* signed immediate format */
654 __BITFIELD_FIELD(unsigned int opcode
: 6,
655 __BITFIELD_FIELD(unsigned int rs
: 5,
656 __BITFIELD_FIELD(unsigned int rt
: 5,
657 __BITFIELD_FIELD(signed int simmediate
: 16,
661 struct u_format
{ /* unsigned immediate format */
662 __BITFIELD_FIELD(unsigned int opcode
: 6,
663 __BITFIELD_FIELD(unsigned int rs
: 5,
664 __BITFIELD_FIELD(unsigned int rt
: 5,
665 __BITFIELD_FIELD(unsigned int uimmediate
: 16,
669 struct c_format
{ /* Cache (>= R6000) format */
670 __BITFIELD_FIELD(unsigned int opcode
: 6,
671 __BITFIELD_FIELD(unsigned int rs
: 5,
672 __BITFIELD_FIELD(unsigned int c_op
: 3,
673 __BITFIELD_FIELD(unsigned int cache
: 2,
674 __BITFIELD_FIELD(unsigned int simmediate
: 16,
678 struct r_format
{ /* Register format */
679 __BITFIELD_FIELD(unsigned int opcode
: 6,
680 __BITFIELD_FIELD(unsigned int rs
: 5,
681 __BITFIELD_FIELD(unsigned int rt
: 5,
682 __BITFIELD_FIELD(unsigned int rd
: 5,
683 __BITFIELD_FIELD(unsigned int re
: 5,
684 __BITFIELD_FIELD(unsigned int func
: 6,
688 struct c0r_format
{ /* C0 register format */
689 __BITFIELD_FIELD(unsigned int opcode
: 6,
690 __BITFIELD_FIELD(unsigned int rs
: 5,
691 __BITFIELD_FIELD(unsigned int rt
: 5,
692 __BITFIELD_FIELD(unsigned int rd
: 5,
693 __BITFIELD_FIELD(unsigned int z
: 8,
694 __BITFIELD_FIELD(unsigned int sel
: 3,
698 struct mfmc0_format
{ /* MFMC0 register format */
699 __BITFIELD_FIELD(unsigned int opcode
: 6,
700 __BITFIELD_FIELD(unsigned int rs
: 5,
701 __BITFIELD_FIELD(unsigned int rt
: 5,
702 __BITFIELD_FIELD(unsigned int rd
: 5,
703 __BITFIELD_FIELD(unsigned int re
: 5,
704 __BITFIELD_FIELD(unsigned int sc
: 1,
705 __BITFIELD_FIELD(unsigned int : 2,
706 __BITFIELD_FIELD(unsigned int sel
: 3,
710 struct co_format
{ /* C0 CO format */
711 __BITFIELD_FIELD(unsigned int opcode
: 6,
712 __BITFIELD_FIELD(unsigned int co
: 1,
713 __BITFIELD_FIELD(unsigned int code
: 19,
714 __BITFIELD_FIELD(unsigned int func
: 6,
718 struct p_format
{ /* Performance counter format (R10000) */
719 __BITFIELD_FIELD(unsigned int opcode
: 6,
720 __BITFIELD_FIELD(unsigned int rs
: 5,
721 __BITFIELD_FIELD(unsigned int rt
: 5,
722 __BITFIELD_FIELD(unsigned int rd
: 5,
723 __BITFIELD_FIELD(unsigned int re
: 5,
724 __BITFIELD_FIELD(unsigned int func
: 6,
728 struct f_format
{ /* FPU register format */
729 __BITFIELD_FIELD(unsigned int opcode
: 6,
730 __BITFIELD_FIELD(unsigned int : 1,
731 __BITFIELD_FIELD(unsigned int fmt
: 4,
732 __BITFIELD_FIELD(unsigned int rt
: 5,
733 __BITFIELD_FIELD(unsigned int rd
: 5,
734 __BITFIELD_FIELD(unsigned int re
: 5,
735 __BITFIELD_FIELD(unsigned int func
: 6,
739 struct ma_format
{ /* FPU multiply and add format (MIPS IV) */
740 __BITFIELD_FIELD(unsigned int opcode
: 6,
741 __BITFIELD_FIELD(unsigned int fr
: 5,
742 __BITFIELD_FIELD(unsigned int ft
: 5,
743 __BITFIELD_FIELD(unsigned int fs
: 5,
744 __BITFIELD_FIELD(unsigned int fd
: 5,
745 __BITFIELD_FIELD(unsigned int func
: 4,
746 __BITFIELD_FIELD(unsigned int fmt
: 2,
750 struct b_format
{ /* BREAK and SYSCALL */
751 __BITFIELD_FIELD(unsigned int opcode
: 6,
752 __BITFIELD_FIELD(unsigned int code
: 20,
753 __BITFIELD_FIELD(unsigned int func
: 6,
757 struct ps_format
{ /* MIPS-3D / paired single format */
758 __BITFIELD_FIELD(unsigned int opcode
: 6,
759 __BITFIELD_FIELD(unsigned int rs
: 5,
760 __BITFIELD_FIELD(unsigned int ft
: 5,
761 __BITFIELD_FIELD(unsigned int fs
: 5,
762 __BITFIELD_FIELD(unsigned int fd
: 5,
763 __BITFIELD_FIELD(unsigned int func
: 6,
767 struct v_format
{ /* MDMX vector format */
768 __BITFIELD_FIELD(unsigned int opcode
: 6,
769 __BITFIELD_FIELD(unsigned int sel
: 4,
770 __BITFIELD_FIELD(unsigned int fmt
: 1,
771 __BITFIELD_FIELD(unsigned int vt
: 5,
772 __BITFIELD_FIELD(unsigned int vs
: 5,
773 __BITFIELD_FIELD(unsigned int vd
: 5,
774 __BITFIELD_FIELD(unsigned int func
: 6,
778 struct msa_mi10_format
{ /* MSA MI10 */
779 __BITFIELD_FIELD(unsigned int opcode
: 6,
780 __BITFIELD_FIELD(signed int s10
: 10,
781 __BITFIELD_FIELD(unsigned int rs
: 5,
782 __BITFIELD_FIELD(unsigned int wd
: 5,
783 __BITFIELD_FIELD(unsigned int func
: 4,
784 __BITFIELD_FIELD(unsigned int df
: 2,
788 struct dsp_format
{ /* SPEC3 DSP format instructions */
789 __BITFIELD_FIELD(unsigned int opcode
: 6,
790 __BITFIELD_FIELD(unsigned int base
: 5,
791 __BITFIELD_FIELD(unsigned int index
: 5,
792 __BITFIELD_FIELD(unsigned int rd
: 5,
793 __BITFIELD_FIELD(unsigned int op
: 5,
794 __BITFIELD_FIELD(unsigned int func
: 6,
798 struct mxu_lx_format
{ /* SPEC2 MXU LX format instructions */
799 __BITFIELD_FIELD(unsigned int opcode
: 6,
800 __BITFIELD_FIELD(unsigned int rs
: 5,
801 __BITFIELD_FIELD(unsigned int rt
: 5,
802 __BITFIELD_FIELD(unsigned int rd
: 5,
803 __BITFIELD_FIELD(unsigned int strd
: 2,
804 __BITFIELD_FIELD(unsigned int op
: 3,
805 __BITFIELD_FIELD(unsigned int func
: 6,
809 struct spec3_format
{ /* SPEC3 */
810 __BITFIELD_FIELD(unsigned int opcode
:6,
811 __BITFIELD_FIELD(unsigned int rs
:5,
812 __BITFIELD_FIELD(unsigned int rt
:5,
813 __BITFIELD_FIELD(signed int simmediate
:9,
814 __BITFIELD_FIELD(unsigned int func
:7,
819 * microMIPS instruction formats (32-bit length)
822 * Parenthesis denote whether the format is a microMIPS instruction or
823 * if it is MIPS32 instruction re-encoded for use in the microMIPS ASE.
825 struct fb_format
{ /* FPU branch format (MIPS32) */
826 __BITFIELD_FIELD(unsigned int opcode
: 6,
827 __BITFIELD_FIELD(unsigned int bc
: 5,
828 __BITFIELD_FIELD(unsigned int cc
: 3,
829 __BITFIELD_FIELD(unsigned int flag
: 2,
830 __BITFIELD_FIELD(signed int simmediate
: 16,
834 struct fp0_format
{ /* FPU multiply and add format (MIPS32) */
835 __BITFIELD_FIELD(unsigned int opcode
: 6,
836 __BITFIELD_FIELD(unsigned int fmt
: 5,
837 __BITFIELD_FIELD(unsigned int ft
: 5,
838 __BITFIELD_FIELD(unsigned int fs
: 5,
839 __BITFIELD_FIELD(unsigned int fd
: 5,
840 __BITFIELD_FIELD(unsigned int func
: 6,
844 struct mm_fp0_format
{ /* FPU multiply and add format (microMIPS) */
845 __BITFIELD_FIELD(unsigned int opcode
: 6,
846 __BITFIELD_FIELD(unsigned int ft
: 5,
847 __BITFIELD_FIELD(unsigned int fs
: 5,
848 __BITFIELD_FIELD(unsigned int fd
: 5,
849 __BITFIELD_FIELD(unsigned int fmt
: 3,
850 __BITFIELD_FIELD(unsigned int op
: 2,
851 __BITFIELD_FIELD(unsigned int func
: 6,
855 struct fp1_format
{ /* FPU mfc1 and cfc1 format (MIPS32) */
856 __BITFIELD_FIELD(unsigned int opcode
: 6,
857 __BITFIELD_FIELD(unsigned int op
: 5,
858 __BITFIELD_FIELD(unsigned int rt
: 5,
859 __BITFIELD_FIELD(unsigned int fs
: 5,
860 __BITFIELD_FIELD(unsigned int fd
: 5,
861 __BITFIELD_FIELD(unsigned int func
: 6,
865 struct mm_fp1_format
{ /* FPU mfc1 and cfc1 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 fmt
: 2,
870 __BITFIELD_FIELD(unsigned int op
: 8,
871 __BITFIELD_FIELD(unsigned int func
: 6,
875 struct mm_fp2_format
{ /* FPU movt and movf format (microMIPS) */
876 __BITFIELD_FIELD(unsigned int opcode
: 6,
877 __BITFIELD_FIELD(unsigned int fd
: 5,
878 __BITFIELD_FIELD(unsigned int fs
: 5,
879 __BITFIELD_FIELD(unsigned int cc
: 3,
880 __BITFIELD_FIELD(unsigned int zero
: 2,
881 __BITFIELD_FIELD(unsigned int fmt
: 2,
882 __BITFIELD_FIELD(unsigned int op
: 3,
883 __BITFIELD_FIELD(unsigned int func
: 6,
887 struct mm_fp3_format
{ /* FPU abs and neg format (microMIPS) */
888 __BITFIELD_FIELD(unsigned int opcode
: 6,
889 __BITFIELD_FIELD(unsigned int rt
: 5,
890 __BITFIELD_FIELD(unsigned int fs
: 5,
891 __BITFIELD_FIELD(unsigned int fmt
: 3,
892 __BITFIELD_FIELD(unsigned int op
: 7,
893 __BITFIELD_FIELD(unsigned int func
: 6,
897 struct mm_fp4_format
{ /* FPU c.cond format (microMIPS) */
898 __BITFIELD_FIELD(unsigned int opcode
: 6,
899 __BITFIELD_FIELD(unsigned int rt
: 5,
900 __BITFIELD_FIELD(unsigned int fs
: 5,
901 __BITFIELD_FIELD(unsigned int cc
: 3,
902 __BITFIELD_FIELD(unsigned int fmt
: 3,
903 __BITFIELD_FIELD(unsigned int cond
: 4,
904 __BITFIELD_FIELD(unsigned int func
: 6,
908 struct mm_fp5_format
{ /* FPU lwxc1 and swxc1 format (microMIPS) */
909 __BITFIELD_FIELD(unsigned int opcode
: 6,
910 __BITFIELD_FIELD(unsigned int index
: 5,
911 __BITFIELD_FIELD(unsigned int base
: 5,
912 __BITFIELD_FIELD(unsigned int fd
: 5,
913 __BITFIELD_FIELD(unsigned int op
: 5,
914 __BITFIELD_FIELD(unsigned int func
: 6,
918 struct fp6_format
{ /* FPU madd and msub format (MIPS IV) */
919 __BITFIELD_FIELD(unsigned int opcode
: 6,
920 __BITFIELD_FIELD(unsigned int fr
: 5,
921 __BITFIELD_FIELD(unsigned int ft
: 5,
922 __BITFIELD_FIELD(unsigned int fs
: 5,
923 __BITFIELD_FIELD(unsigned int fd
: 5,
924 __BITFIELD_FIELD(unsigned int func
: 6,
928 struct mm_fp6_format
{ /* FPU madd and msub format (microMIPS) */
929 __BITFIELD_FIELD(unsigned int opcode
: 6,
930 __BITFIELD_FIELD(unsigned int ft
: 5,
931 __BITFIELD_FIELD(unsigned int fs
: 5,
932 __BITFIELD_FIELD(unsigned int fd
: 5,
933 __BITFIELD_FIELD(unsigned int fr
: 5,
934 __BITFIELD_FIELD(unsigned int func
: 6,
938 struct mm_i_format
{ /* Immediate format (microMIPS) */
939 __BITFIELD_FIELD(unsigned int opcode
: 6,
940 __BITFIELD_FIELD(unsigned int rt
: 5,
941 __BITFIELD_FIELD(unsigned int rs
: 5,
942 __BITFIELD_FIELD(signed int simmediate
: 16,
946 struct mm_m_format
{ /* Multi-word load/store format (microMIPS) */
947 __BITFIELD_FIELD(unsigned int opcode
: 6,
948 __BITFIELD_FIELD(unsigned int rd
: 5,
949 __BITFIELD_FIELD(unsigned int base
: 5,
950 __BITFIELD_FIELD(unsigned int func
: 4,
951 __BITFIELD_FIELD(signed int simmediate
: 12,
955 struct mm_x_format
{ /* Scaled indexed load format (microMIPS) */
956 __BITFIELD_FIELD(unsigned int opcode
: 6,
957 __BITFIELD_FIELD(unsigned int index
: 5,
958 __BITFIELD_FIELD(unsigned int base
: 5,
959 __BITFIELD_FIELD(unsigned int rd
: 5,
960 __BITFIELD_FIELD(unsigned int func
: 11,
964 struct mm_a_format
{ /* ADDIUPC format (microMIPS) */
965 __BITFIELD_FIELD(unsigned int opcode
: 6,
966 __BITFIELD_FIELD(unsigned int rs
: 3,
967 __BITFIELD_FIELD(signed int simmediate
: 23,
972 * microMIPS instruction formats (16-bit length)
974 struct mm_b0_format
{ /* Unconditional branch format (microMIPS) */
975 __BITFIELD_FIELD(unsigned int opcode
: 6,
976 __BITFIELD_FIELD(signed int simmediate
: 10,
977 __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
981 struct mm_b1_format
{ /* Conditional branch format (microMIPS) */
982 __BITFIELD_FIELD(unsigned int opcode
: 6,
983 __BITFIELD_FIELD(unsigned int rs
: 3,
984 __BITFIELD_FIELD(signed int simmediate
: 7,
985 __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
989 struct mm16_m_format
{ /* Multi-word load/store format */
990 __BITFIELD_FIELD(unsigned int opcode
: 6,
991 __BITFIELD_FIELD(unsigned int func
: 4,
992 __BITFIELD_FIELD(unsigned int rlist
: 2,
993 __BITFIELD_FIELD(unsigned int imm
: 4,
994 __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
998 struct mm16_rb_format
{ /* Signed immediate format */
999 __BITFIELD_FIELD(unsigned int opcode
: 6,
1000 __BITFIELD_FIELD(unsigned int rt
: 3,
1001 __BITFIELD_FIELD(unsigned int base
: 3,
1002 __BITFIELD_FIELD(signed int simmediate
: 4,
1003 __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
1007 struct mm16_r3_format
{ /* Load from global pointer format */
1008 __BITFIELD_FIELD(unsigned int opcode
: 6,
1009 __BITFIELD_FIELD(unsigned int rt
: 3,
1010 __BITFIELD_FIELD(signed int simmediate
: 7,
1011 __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
1015 struct mm16_r5_format
{ /* Load/store from stack pointer format */
1016 __BITFIELD_FIELD(unsigned int opcode
: 6,
1017 __BITFIELD_FIELD(unsigned int rt
: 5,
1018 __BITFIELD_FIELD(unsigned int imm
: 5,
1019 __BITFIELD_FIELD(unsigned int : 16, /* Ignored */
1024 * Loongson-3 overridden COP2 instruction formats (32-bit length)
1026 struct loongson3_lswc2_format
{ /* Loongson-3 overridden lwc2/swc2 Load/Store format */
1027 __BITFIELD_FIELD(unsigned int opcode
: 6,
1028 __BITFIELD_FIELD(unsigned int base
: 5,
1029 __BITFIELD_FIELD(unsigned int rt
: 5,
1030 __BITFIELD_FIELD(unsigned int fr
: 1,
1031 __BITFIELD_FIELD(unsigned int offset
: 9,
1032 __BITFIELD_FIELD(unsigned int ls
: 1,
1033 __BITFIELD_FIELD(unsigned int rq
: 5,
1037 struct loongson3_lsdc2_format
{ /* Loongson-3 overridden ldc2/sdc2 Load/Store format */
1038 __BITFIELD_FIELD(unsigned int opcode
: 6,
1039 __BITFIELD_FIELD(unsigned int base
: 5,
1040 __BITFIELD_FIELD(unsigned int rt
: 5,
1041 __BITFIELD_FIELD(unsigned int index
: 5,
1042 __BITFIELD_FIELD(unsigned int offset
: 8,
1043 __BITFIELD_FIELD(unsigned int opcode1
: 3,
1047 struct loongson3_lscsr_format
{ /* Loongson-3 CPUCFG&CSR read/write format */
1048 __BITFIELD_FIELD(unsigned int opcode
: 6,
1049 __BITFIELD_FIELD(unsigned int rs
: 5,
1050 __BITFIELD_FIELD(unsigned int fr
: 5,
1051 __BITFIELD_FIELD(unsigned int rd
: 5,
1052 __BITFIELD_FIELD(unsigned int fd
: 5,
1053 __BITFIELD_FIELD(unsigned int func
: 6,
1058 * MIPS16e instruction formats (16-bit length)
1061 __BITFIELD_FIELD(unsigned int opcode
: 5,
1062 __BITFIELD_FIELD(unsigned int rx
: 3,
1063 __BITFIELD_FIELD(unsigned int nd
: 1,
1064 __BITFIELD_FIELD(unsigned int l
: 1,
1065 __BITFIELD_FIELD(unsigned int ra
: 1,
1066 __BITFIELD_FIELD(unsigned int func
: 5,
1071 __BITFIELD_FIELD(unsigned int opcode
: 5,
1072 __BITFIELD_FIELD(unsigned int x
: 1,
1073 __BITFIELD_FIELD(unsigned int imm20_16
: 5,
1074 __BITFIELD_FIELD(signed int imm25_21
: 5,
1079 __BITFIELD_FIELD(unsigned int opcode
: 5,
1080 __BITFIELD_FIELD(unsigned int func
: 3,
1081 __BITFIELD_FIELD(unsigned int imm
: 8,
1086 __BITFIELD_FIELD(unsigned int opcode
: 5,
1087 __BITFIELD_FIELD(unsigned int func
: 3,
1088 __BITFIELD_FIELD(unsigned int ry
: 3,
1089 __BITFIELD_FIELD(unsigned int imm
: 5,
1094 __BITFIELD_FIELD(unsigned int opcode
: 5,
1095 __BITFIELD_FIELD(unsigned int rx
: 3,
1096 __BITFIELD_FIELD(unsigned int imm
: 8,
1101 __BITFIELD_FIELD(unsigned int opcode
: 5,
1102 __BITFIELD_FIELD(unsigned int rx
: 3,
1103 __BITFIELD_FIELD(unsigned int ry
: 3,
1104 __BITFIELD_FIELD(unsigned int imm
: 5,
1109 __BITFIELD_FIELD(unsigned int opcode
: 5,
1110 __BITFIELD_FIELD(unsigned int func
: 3,
1111 __BITFIELD_FIELD(unsigned int imm
: 8,
1115 union mips_instruction
{
1117 unsigned short halfword
[2];
1118 unsigned char byte
[4];
1119 struct j_format j_format
;
1120 struct i_format i_format
;
1121 struct u_format u_format
;
1122 struct c_format c_format
;
1123 struct r_format r_format
;
1124 struct c0r_format c0r_format
;
1125 struct mfmc0_format mfmc0_format
;
1126 struct co_format co_format
;
1127 struct p_format p_format
;
1128 struct f_format f_format
;
1129 struct ma_format ma_format
;
1130 struct msa_mi10_format msa_mi10_format
;
1131 struct b_format b_format
;
1132 struct ps_format ps_format
;
1133 struct v_format v_format
;
1134 struct dsp_format dsp_format
;
1135 struct spec3_format spec3_format
;
1136 struct fb_format fb_format
;
1137 struct fp0_format fp0_format
;
1138 struct mm_fp0_format mm_fp0_format
;
1139 struct fp1_format fp1_format
;
1140 struct mm_fp1_format mm_fp1_format
;
1141 struct mm_fp2_format mm_fp2_format
;
1142 struct mm_fp3_format mm_fp3_format
;
1143 struct mm_fp4_format mm_fp4_format
;
1144 struct mm_fp5_format mm_fp5_format
;
1145 struct fp6_format fp6_format
;
1146 struct mm_fp6_format mm_fp6_format
;
1147 struct mm_i_format mm_i_format
;
1148 struct mm_m_format mm_m_format
;
1149 struct mm_x_format mm_x_format
;
1150 struct mm_a_format mm_a_format
;
1151 struct mm_b0_format mm_b0_format
;
1152 struct mm_b1_format mm_b1_format
;
1153 struct mm16_m_format mm16_m_format
;
1154 struct mm16_rb_format mm16_rb_format
;
1155 struct mm16_r3_format mm16_r3_format
;
1156 struct mm16_r5_format mm16_r5_format
;
1157 struct loongson3_lswc2_format loongson3_lswc2_format
;
1158 struct loongson3_lsdc2_format loongson3_lsdc2_format
;
1159 struct loongson3_lscsr_format loongson3_lscsr_format
;
1160 struct mxu_lx_format mxu_lx_format
;
1163 union mips16e_instruction
{
1164 unsigned int full
: 16;
1166 struct m16e_jal jal
;
1167 struct m16e_i64 i64
;
1168 struct m16e_ri64 ri64
;
1170 struct m16e_rri rri
;
1174 #endif /* _UAPI_ASM_INST_H */