| /* |
| * Format of an instruction in memory. |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (C) 1996, 2000 by Ralf Baechle |
| * Copyright (C) 2006 by Thiemo Seufer |
| * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. |
| */ |
| #ifndef _UAPI_ASM_INST_H |
| #define _UAPI_ASM_INST_H |
| |
| /* |
| * Major opcodes; before MIPS IV cop1x was called cop3. |
| */ |
| enum major_op { |
| spec_op, bcond_op, j_op, jal_op, |
| beq_op, bne_op, blez_op, bgtz_op, |
| addi_op, addiu_op, slti_op, sltiu_op, |
| andi_op, ori_op, xori_op, lui_op, |
| cop0_op, cop1_op, cop2_op, cop1x_op, |
| beql_op, bnel_op, blezl_op, bgtzl_op, |
| daddi_op, daddiu_op, ldl_op, ldr_op, |
| spec2_op, jalx_op, mdmx_op, spec3_op, |
| lb_op, lh_op, lwl_op, lw_op, |
| lbu_op, lhu_op, lwr_op, lwu_op, |
| sb_op, sh_op, swl_op, sw_op, |
| sdl_op, sdr_op, swr_op, cache_op, |
| ll_op, lwc1_op, lwc2_op, pref_op, |
| lld_op, ldc1_op, ldc2_op, ld_op, |
| sc_op, swc1_op, swc2_op, major_3b_op, |
| scd_op, sdc1_op, sdc2_op, sd_op |
| }; |
| |
| /* |
| * func field of spec opcode. |
| */ |
| enum spec_op { |
| sll_op, movc_op, srl_op, sra_op, |
| sllv_op, pmon_op, srlv_op, srav_op, |
| jr_op, jalr_op, movz_op, movn_op, |
| syscall_op, break_op, spim_op, sync_op, |
| mfhi_op, mthi_op, mflo_op, mtlo_op, |
| dsllv_op, spec2_unused_op, dsrlv_op, dsrav_op, |
| mult_op, multu_op, div_op, divu_op, |
| dmult_op, dmultu_op, ddiv_op, ddivu_op, |
| add_op, addu_op, sub_op, subu_op, |
| and_op, or_op, xor_op, nor_op, |
| spec3_unused_op, spec4_unused_op, slt_op, sltu_op, |
| dadd_op, daddu_op, dsub_op, dsubu_op, |
| tge_op, tgeu_op, tlt_op, tltu_op, |
| teq_op, spec5_unused_op, tne_op, spec6_unused_op, |
| dsll_op, spec7_unused_op, dsrl_op, dsra_op, |
| dsll32_op, spec8_unused_op, dsrl32_op, dsra32_op |
| }; |
| |
| /* |
| * func field of spec2 opcode. |
| */ |
| enum spec2_op { |
| madd_op, maddu_op, mul_op, spec2_3_unused_op, |
| msub_op, msubu_op, /* more unused ops */ |
| clz_op = 0x20, clo_op, |
| dclz_op = 0x24, dclo_op, |
| sdbpp_op = 0x3f |
| }; |
| |
| /* |
| * func field of spec3 opcode. |
| */ |
| enum spec3_op { |
| ext_op, dextm_op, dextu_op, dext_op, |
| ins_op, dinsm_op, dinsu_op, dins_op, |
| lx_op = 0x0a, |
| bshfl_op = 0x20, |
| dbshfl_op = 0x24, |
| rdhwr_op = 0x3b |
| }; |
| |
| /* |
| * rt field of bcond opcodes. |
| */ |
| enum rt_op { |
| bltz_op, bgez_op, bltzl_op, bgezl_op, |
| spimi_op, unused_rt_op_0x05, unused_rt_op_0x06, unused_rt_op_0x07, |
| tgei_op, tgeiu_op, tlti_op, tltiu_op, |
| teqi_op, unused_0x0d_rt_op, tnei_op, unused_0x0f_rt_op, |
| bltzal_op, bgezal_op, bltzall_op, bgezall_op, |
| rt_op_0x14, rt_op_0x15, rt_op_0x16, rt_op_0x17, |
| rt_op_0x18, rt_op_0x19, rt_op_0x1a, rt_op_0x1b, |
| bposge32_op, rt_op_0x1d, rt_op_0x1e, rt_op_0x1f |
| }; |
| |
| /* |
| * rs field of cop opcodes. |
| */ |
| enum cop_op { |
| mfc_op = 0x00, dmfc_op = 0x01, |
| cfc_op = 0x02, mfhc_op = 0x03, |
| mtc_op = 0x04, dmtc_op = 0x05, |
| ctc_op = 0x06, mthc_op = 0x07, |
| bc_op = 0x08, cop_op = 0x10, |
| copm_op = 0x18 |
| }; |
| |
| /* |
| * rt field of cop.bc_op opcodes |
| */ |
| enum bcop_op { |
| bcf_op, bct_op, bcfl_op, bctl_op |
| }; |
| |
| /* |
| * func field of cop0 coi opcodes. |
| */ |
| enum cop0_coi_func { |
| tlbr_op = 0x01, tlbwi_op = 0x02, |
| tlbwr_op = 0x06, tlbp_op = 0x08, |
| rfe_op = 0x10, eret_op = 0x18 |
| }; |
| |
| /* |
| * func field of cop0 com opcodes. |
| */ |
| enum cop0_com_func { |
| tlbr1_op = 0x01, tlbw_op = 0x02, |
| tlbp1_op = 0x08, dctr_op = 0x09, |
| dctw_op = 0x0a |
| }; |
| |
| /* |
| * fmt field of cop1 opcodes. |
| */ |
| enum cop1_fmt { |
| s_fmt, d_fmt, e_fmt, q_fmt, |
| w_fmt, l_fmt |
| }; |
| |
| /* |
| * func field of cop1 instructions using d, s or w format. |
| */ |
| enum cop1_sdw_func { |
| fadd_op = 0x00, fsub_op = 0x01, |
| fmul_op = 0x02, fdiv_op = 0x03, |
| fsqrt_op = 0x04, fabs_op = 0x05, |
| fmov_op = 0x06, fneg_op = 0x07, |
| froundl_op = 0x08, ftruncl_op = 0x09, |
| fceill_op = 0x0a, ffloorl_op = 0x0b, |
| fround_op = 0x0c, ftrunc_op = 0x0d, |
| fceil_op = 0x0e, ffloor_op = 0x0f, |
| fmovc_op = 0x11, fmovz_op = 0x12, |
| fmovn_op = 0x13, frecip_op = 0x15, |
| frsqrt_op = 0x16, fcvts_op = 0x20, |
| fcvtd_op = 0x21, fcvte_op = 0x22, |
| fcvtw_op = 0x24, fcvtl_op = 0x25, |
| fcmp_op = 0x30 |
| }; |
| |
| /* |
| * func field of cop1x opcodes (MIPS IV). |
| */ |
| enum cop1x_func { |
| lwxc1_op = 0x00, ldxc1_op = 0x01, |
| swxc1_op = 0x08, sdxc1_op = 0x09, |
| pfetch_op = 0x0f, madd_s_op = 0x20, |
| madd_d_op = 0x21, madd_e_op = 0x22, |
| msub_s_op = 0x28, msub_d_op = 0x29, |
| msub_e_op = 0x2a, nmadd_s_op = 0x30, |
| nmadd_d_op = 0x31, nmadd_e_op = 0x32, |
| nmsub_s_op = 0x38, nmsub_d_op = 0x39, |
| nmsub_e_op = 0x3a |
| }; |
| |
| /* |
| * func field for mad opcodes (MIPS IV). |
| */ |
| enum mad_func { |
| madd_fp_op = 0x08, msub_fp_op = 0x0a, |
| nmadd_fp_op = 0x0c, nmsub_fp_op = 0x0e |
| }; |
| |
| /* |
| * func field for special3 lx opcodes (Cavium Octeon). |
| */ |
| enum lx_func { |
| lwx_op = 0x00, |
| lhx_op = 0x04, |
| lbux_op = 0x06, |
| ldx_op = 0x08, |
| lwux_op = 0x10, |
| lhux_op = 0x14, |
| lbx_op = 0x16, |
| }; |
| |
| /* |
| * (microMIPS) Major opcodes. |
| */ |
| enum mm_major_op { |
| mm_pool32a_op, mm_pool16a_op, mm_lbu16_op, mm_move16_op, |
| mm_addi32_op, mm_lbu32_op, mm_sb32_op, mm_lb32_op, |
| mm_pool32b_op, mm_pool16b_op, mm_lhu16_op, mm_andi16_op, |
| mm_addiu32_op, mm_lhu32_op, mm_sh32_op, mm_lh32_op, |
| mm_pool32i_op, mm_pool16c_op, mm_lwsp16_op, mm_pool16d_op, |
| mm_ori32_op, mm_pool32f_op, mm_reserved1_op, mm_reserved2_op, |
| mm_pool32c_op, mm_lwgp16_op, mm_lw16_op, mm_pool16e_op, |
| mm_xori32_op, mm_jals32_op, mm_addiupc_op, mm_reserved3_op, |
| mm_reserved4_op, mm_pool16f_op, mm_sb16_op, mm_beqz16_op, |
| mm_slti32_op, mm_beq32_op, mm_swc132_op, mm_lwc132_op, |
| mm_reserved5_op, mm_reserved6_op, mm_sh16_op, mm_bnez16_op, |
| mm_sltiu32_op, mm_bne32_op, mm_sdc132_op, mm_ldc132_op, |
| mm_reserved7_op, mm_reserved8_op, mm_swsp16_op, mm_b16_op, |
| mm_andi32_op, mm_j32_op, mm_sd32_op, mm_ld32_op, |
| mm_reserved11_op, mm_reserved12_op, mm_sw16_op, mm_li16_op, |
| mm_jalx32_op, mm_jal32_op, mm_sw32_op, mm_lw32_op, |
| }; |
| |
| /* |
| * (microMIPS) POOL32I minor opcodes. |
| */ |
| enum mm_32i_minor_op { |
| mm_bltz_op, mm_bltzal_op, mm_bgez_op, mm_bgezal_op, |
| mm_blez_op, mm_bnezc_op, mm_bgtz_op, mm_beqzc_op, |
| mm_tlti_op, mm_tgei_op, mm_tltiu_op, mm_tgeiu_op, |
| mm_tnei_op, mm_lui_op, mm_teqi_op, mm_reserved13_op, |
| mm_synci_op, mm_bltzals_op, mm_reserved14_op, mm_bgezals_op, |
| mm_bc2f_op, mm_bc2t_op, mm_reserved15_op, mm_reserved16_op, |
| mm_reserved17_op, mm_reserved18_op, mm_bposge64_op, mm_bposge32_op, |
| mm_bc1f_op, mm_bc1t_op, mm_reserved19_op, mm_reserved20_op, |
| mm_bc1any2f_op, mm_bc1any2t_op, mm_bc1any4f_op, mm_bc1any4t_op, |
| }; |
| |
| /* |
| * (microMIPS) POOL32A minor opcodes. |
| */ |
| enum mm_32a_minor_op { |
| mm_sll32_op = 0x000, |
| mm_ins_op = 0x00c, |
| mm_ext_op = 0x02c, |
| mm_pool32axf_op = 0x03c, |
| mm_srl32_op = 0x040, |
| mm_sra_op = 0x080, |
| mm_rotr_op = 0x0c0, |
| mm_lwxs_op = 0x118, |
| mm_addu32_op = 0x150, |
| mm_subu32_op = 0x1d0, |
| mm_and_op = 0x250, |
| mm_or32_op = 0x290, |
| mm_xor32_op = 0x310, |
| }; |
| |
| /* |
| * (microMIPS) POOL32B functions. |
| */ |
| enum mm_32b_func { |
| mm_lwc2_func = 0x0, |
| mm_lwp_func = 0x1, |
| mm_ldc2_func = 0x2, |
| mm_ldp_func = 0x4, |
| mm_lwm32_func = 0x5, |
| mm_cache_func = 0x6, |
| mm_ldm_func = 0x7, |
| mm_swc2_func = 0x8, |
| mm_swp_func = 0x9, |
| mm_sdc2_func = 0xa, |
| mm_sdp_func = 0xc, |
| mm_swm32_func = 0xd, |
| mm_sdm_func = 0xf, |
| }; |
| |
| /* |
| * (microMIPS) POOL32C functions. |
| */ |
| enum mm_32c_func { |
| mm_pref_func = 0x2, |
| mm_ll_func = 0x3, |
| mm_swr_func = 0x9, |
| mm_sc_func = 0xb, |
| mm_lwu_func = 0xe, |
| }; |
| |
| /* |
| * (microMIPS) POOL32AXF minor opcodes. |
| */ |
| enum mm_32axf_minor_op { |
| mm_mfc0_op = 0x003, |
| mm_mtc0_op = 0x00b, |
| mm_tlbp_op = 0x00d, |
| mm_jalr_op = 0x03c, |
| mm_tlbr_op = 0x04d, |
| mm_jalrhb_op = 0x07c, |
| mm_tlbwi_op = 0x08d, |
| mm_tlbwr_op = 0x0cd, |
| mm_jalrs_op = 0x13c, |
| mm_jalrshb_op = 0x17c, |
| mm_syscall_op = 0x22d, |
| mm_eret_op = 0x3cd, |
| }; |
| |
| /* |
| * (microMIPS) POOL32F minor opcodes. |
| */ |
| enum mm_32f_minor_op { |
| mm_32f_00_op = 0x00, |
| mm_32f_01_op = 0x01, |
| mm_32f_02_op = 0x02, |
| mm_32f_10_op = 0x08, |
| mm_32f_11_op = 0x09, |
| mm_32f_12_op = 0x0a, |
| mm_32f_20_op = 0x10, |
| mm_32f_30_op = 0x18, |
| mm_32f_40_op = 0x20, |
| mm_32f_41_op = 0x21, |
| mm_32f_42_op = 0x22, |
| mm_32f_50_op = 0x28, |
| mm_32f_51_op = 0x29, |
| mm_32f_52_op = 0x2a, |
| mm_32f_60_op = 0x30, |
| mm_32f_70_op = 0x38, |
| mm_32f_73_op = 0x3b, |
| mm_32f_74_op = 0x3c, |
| }; |
| |
| /* |
| * (microMIPS) POOL32F secondary minor opcodes. |
| */ |
| enum mm_32f_10_minor_op { |
| mm_lwxc1_op = 0x1, |
| mm_swxc1_op, |
| mm_ldxc1_op, |
| mm_sdxc1_op, |
| mm_luxc1_op, |
| mm_suxc1_op, |
| }; |
| |
| enum mm_32f_func { |
| mm_lwxc1_func = 0x048, |
| mm_swxc1_func = 0x088, |
| mm_ldxc1_func = 0x0c8, |
| mm_sdxc1_func = 0x108, |
| }; |
| |
| /* |
| * (microMIPS) POOL32F secondary minor opcodes. |
| */ |
| enum mm_32f_40_minor_op { |
| mm_fmovf_op, |
| mm_fmovt_op, |
| }; |
| |
| /* |
| * (microMIPS) POOL32F secondary minor opcodes. |
| */ |
| enum mm_32f_60_minor_op { |
| mm_fadd_op, |
| mm_fsub_op, |
| mm_fmul_op, |
| mm_fdiv_op, |
| }; |
| |
| /* |
| * (microMIPS) POOL32F secondary minor opcodes. |
| */ |
| enum mm_32f_70_minor_op { |
| mm_fmovn_op, |
| mm_fmovz_op, |
| }; |
| |
| /* |
| * (microMIPS) POOL32FXF secondary minor opcodes for POOL32F. |
| */ |
| enum mm_32f_73_minor_op { |
| mm_fmov0_op = 0x01, |
| mm_fcvtl_op = 0x04, |
| mm_movf0_op = 0x05, |
| mm_frsqrt_op = 0x08, |
| mm_ffloorl_op = 0x0c, |
| mm_fabs0_op = 0x0d, |
| mm_fcvtw_op = 0x24, |
| mm_movt0_op = 0x25, |
| mm_fsqrt_op = 0x28, |
| mm_ffloorw_op = 0x2c, |
| mm_fneg0_op = 0x2d, |
| mm_cfc1_op = 0x40, |
| mm_frecip_op = 0x48, |
| mm_fceill_op = 0x4c, |
| mm_fcvtd0_op = 0x4d, |
| mm_ctc1_op = 0x60, |
| mm_fceilw_op = 0x6c, |
| mm_fcvts0_op = 0x6d, |
| mm_mfc1_op = 0x80, |
| mm_fmov1_op = 0x81, |
| mm_movf1_op = 0x85, |
| mm_ftruncl_op = 0x8c, |
| mm_fabs1_op = 0x8d, |
| mm_mtc1_op = 0xa0, |
| mm_movt1_op = 0xa5, |
| mm_ftruncw_op = 0xac, |
| mm_fneg1_op = 0xad, |
| mm_mfhc1_op = 0xc0, |
| mm_froundl_op = 0xcc, |
| mm_fcvtd1_op = 0xcd, |
| mm_mthc1_op = 0xe0, |
| mm_froundw_op = 0xec, |
| mm_fcvts1_op = 0xed, |
| }; |
| |
| /* |
| * (microMIPS) POOL16C minor opcodes. |
| */ |
| enum mm_16c_minor_op { |
| mm_lwm16_op = 0x04, |
| mm_swm16_op = 0x05, |
| mm_jr16_op = 0x0c, |
| mm_jrc_op = 0x0d, |
| mm_jalr16_op = 0x0e, |
| mm_jalrs16_op = 0x0f, |
| mm_jraddiusp_op = 0x18, |
| }; |
| |
| /* |
| * (microMIPS) POOL16D minor opcodes. |
| */ |
| enum mm_16d_minor_op { |
| mm_addius5_func, |
| mm_addiusp_func, |
| }; |
| |
| /* |
| * (MIPS16e) opcodes. |
| */ |
| enum MIPS16e_ops { |
| MIPS16e_jal_op = 003, |
| MIPS16e_ld_op = 007, |
| MIPS16e_i8_op = 014, |
| MIPS16e_sd_op = 017, |
| MIPS16e_lb_op = 020, |
| MIPS16e_lh_op = 021, |
| MIPS16e_lwsp_op = 022, |
| MIPS16e_lw_op = 023, |
| MIPS16e_lbu_op = 024, |
| MIPS16e_lhu_op = 025, |
| MIPS16e_lwpc_op = 026, |
| MIPS16e_lwu_op = 027, |
| MIPS16e_sb_op = 030, |
| MIPS16e_sh_op = 031, |
| MIPS16e_swsp_op = 032, |
| MIPS16e_sw_op = 033, |
| MIPS16e_rr_op = 035, |
| MIPS16e_extend_op = 036, |
| MIPS16e_i64_op = 037, |
| }; |
| |
| enum MIPS16e_i64_func { |
| MIPS16e_ldsp_func, |
| MIPS16e_sdsp_func, |
| MIPS16e_sdrasp_func, |
| MIPS16e_dadjsp_func, |
| MIPS16e_ldpc_func, |
| }; |
| |
| enum MIPS16e_rr_func { |
| MIPS16e_jr_func, |
| }; |
| |
| enum MIPS6e_i8_func { |
| MIPS16e_swrasp_func = 02, |
| }; |
| |
| /* |
| * (microMIPS & MIPS16e) NOP instruction. |
| */ |
| #define MM_NOP16 0x0c00 |
| |
| /* |
| * Damn ... bitfields depend from byteorder :-( |
| */ |
| #ifdef __MIPSEB__ |
| #define BITFIELD_FIELD(field, more) \ |
| field; \ |
| more |
| |
| #elif defined(__MIPSEL__) |
| |
| #define BITFIELD_FIELD(field, more) \ |
| more \ |
| field; |
| |
| #else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */ |
| #error "MIPS but neither __MIPSEL__ nor __MIPSEB__?" |
| #endif |
| |
| struct j_format { |
| BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */ |
| BITFIELD_FIELD(unsigned int target : 26, |
| ;)) |
| }; |
| |
| struct i_format { /* signed immediate format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rs : 5, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(signed int simmediate : 16, |
| ;)))) |
| }; |
| |
| struct u_format { /* unsigned immediate format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rs : 5, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int uimmediate : 16, |
| ;)))) |
| }; |
| |
| struct c_format { /* Cache (>= R6000) format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rs : 5, |
| BITFIELD_FIELD(unsigned int c_op : 3, |
| BITFIELD_FIELD(unsigned int cache : 2, |
| BITFIELD_FIELD(unsigned int simmediate : 16, |
| ;))))) |
| }; |
| |
| struct r_format { /* Register format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rs : 5, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int rd : 5, |
| BITFIELD_FIELD(unsigned int re : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct p_format { /* Performance counter format (R10000) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rs : 5, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int rd : 5, |
| BITFIELD_FIELD(unsigned int re : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct f_format { /* FPU register format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int : 1, |
| BITFIELD_FIELD(unsigned int fmt : 4, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int rd : 5, |
| BITFIELD_FIELD(unsigned int re : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;))))))) |
| }; |
| |
| struct ma_format { /* FPU multiply and add format (MIPS IV) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int fr : 5, |
| BITFIELD_FIELD(unsigned int ft : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int func : 4, |
| BITFIELD_FIELD(unsigned int fmt : 2, |
| ;))))))) |
| }; |
| |
| struct b_format { /* BREAK and SYSCALL */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int code : 20, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;))) |
| }; |
| |
| struct ps_format { /* MIPS-3D / paired single format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rs : 5, |
| BITFIELD_FIELD(unsigned int ft : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct v_format { /* MDMX vector format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int sel : 4, |
| BITFIELD_FIELD(unsigned int fmt : 1, |
| BITFIELD_FIELD(unsigned int vt : 5, |
| BITFIELD_FIELD(unsigned int vs : 5, |
| BITFIELD_FIELD(unsigned int vd : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;))))))) |
| }; |
| |
| /* |
| * microMIPS instruction formats (32-bit length) |
| * |
| * NOTE: |
| * Parenthesis denote whether the format is a microMIPS instruction or |
| * if it is MIPS32 instruction re-encoded for use in the microMIPS ASE. |
| */ |
| struct fb_format { /* FPU branch format (MIPS32) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int bc : 5, |
| BITFIELD_FIELD(unsigned int cc : 3, |
| BITFIELD_FIELD(unsigned int flag : 2, |
| BITFIELD_FIELD(signed int simmediate : 16, |
| ;))))) |
| }; |
| |
| struct fp0_format { /* FPU multiply and add format (MIPS32) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int fmt : 5, |
| BITFIELD_FIELD(unsigned int ft : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct mm_fp0_format { /* FPU multipy and add format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int ft : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int fmt : 3, |
| BITFIELD_FIELD(unsigned int op : 2, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;))))))) |
| }; |
| |
| struct fp1_format { /* FPU mfc1 and cfc1 format (MIPS32) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int op : 5, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct mm_fp1_format { /* FPU mfc1 and cfc1 format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fmt : 2, |
| BITFIELD_FIELD(unsigned int op : 8, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct mm_fp2_format { /* FPU movt and movf format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int cc : 3, |
| BITFIELD_FIELD(unsigned int zero : 2, |
| BITFIELD_FIELD(unsigned int fmt : 2, |
| BITFIELD_FIELD(unsigned int op : 3, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))))) |
| }; |
| |
| struct mm_fp3_format { /* FPU abs and neg format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fmt : 3, |
| BITFIELD_FIELD(unsigned int op : 7, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct mm_fp4_format { /* FPU c.cond format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int cc : 3, |
| BITFIELD_FIELD(unsigned int fmt : 3, |
| BITFIELD_FIELD(unsigned int cond : 4, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;))))))) |
| }; |
| |
| struct mm_fp5_format { /* FPU lwxc1 and swxc1 format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int index : 5, |
| BITFIELD_FIELD(unsigned int base : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int op : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct fp6_format { /* FPU madd and msub format (MIPS IV) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int fr : 5, |
| BITFIELD_FIELD(unsigned int ft : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct mm_fp6_format { /* FPU madd and msub format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int ft : 5, |
| BITFIELD_FIELD(unsigned int fs : 5, |
| BITFIELD_FIELD(unsigned int fd : 5, |
| BITFIELD_FIELD(unsigned int fr : 5, |
| BITFIELD_FIELD(unsigned int func : 6, |
| ;)))))) |
| }; |
| |
| struct mm_i_format { /* Immediate format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(unsigned int rs : 5, |
| BITFIELD_FIELD(signed int simmediate : 16, |
| ;)))) |
| }; |
| |
| struct mm_m_format { /* Multi-word load/store format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rd : 5, |
| BITFIELD_FIELD(unsigned int base : 5, |
| BITFIELD_FIELD(unsigned int func : 4, |
| BITFIELD_FIELD(signed int simmediate : 12, |
| ;))))) |
| }; |
| |
| struct mm_x_format { /* Scaled indexed load format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int index : 5, |
| BITFIELD_FIELD(unsigned int base : 5, |
| BITFIELD_FIELD(unsigned int rd : 5, |
| BITFIELD_FIELD(unsigned int func : 11, |
| ;))))) |
| }; |
| |
| /* |
| * microMIPS instruction formats (16-bit length) |
| */ |
| struct mm_b0_format { /* Unconditional branch format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(signed int simmediate : 10, |
| BITFIELD_FIELD(unsigned int : 16, /* Ignored */ |
| ;))) |
| }; |
| |
| struct mm_b1_format { /* Conditional branch format (microMIPS) */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rs : 3, |
| BITFIELD_FIELD(signed int simmediate : 7, |
| BITFIELD_FIELD(unsigned int : 16, /* Ignored */ |
| ;)))) |
| }; |
| |
| struct mm16_m_format { /* Multi-word load/store format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int func : 4, |
| BITFIELD_FIELD(unsigned int rlist : 2, |
| BITFIELD_FIELD(unsigned int imm : 4, |
| BITFIELD_FIELD(unsigned int : 16, /* Ignored */ |
| ;))))) |
| }; |
| |
| struct mm16_rb_format { /* Signed immediate format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rt : 3, |
| BITFIELD_FIELD(unsigned int base : 3, |
| BITFIELD_FIELD(signed int simmediate : 4, |
| BITFIELD_FIELD(unsigned int : 16, /* Ignored */ |
| ;))))) |
| }; |
| |
| struct mm16_r3_format { /* Load from global pointer format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rt : 3, |
| BITFIELD_FIELD(signed int simmediate : 7, |
| BITFIELD_FIELD(unsigned int : 16, /* Ignored */ |
| ;)))) |
| }; |
| |
| struct mm16_r5_format { /* Load/store from stack pointer format */ |
| BITFIELD_FIELD(unsigned int opcode : 6, |
| BITFIELD_FIELD(unsigned int rt : 5, |
| BITFIELD_FIELD(signed int simmediate : 5, |
| BITFIELD_FIELD(unsigned int : 16, /* Ignored */ |
| ;)))) |
| }; |
| |
| /* |
| * MIPS16e instruction formats (16-bit length) |
| */ |
| struct m16e_rr { |
| BITFIELD_FIELD(unsigned int opcode : 5, |
| BITFIELD_FIELD(unsigned int rx : 3, |
| BITFIELD_FIELD(unsigned int nd : 1, |
| BITFIELD_FIELD(unsigned int l : 1, |
| BITFIELD_FIELD(unsigned int ra : 1, |
| BITFIELD_FIELD(unsigned int func : 5, |
| ;)))))) |
| }; |
| |
| struct m16e_jal { |
| BITFIELD_FIELD(unsigned int opcode : 5, |
| BITFIELD_FIELD(unsigned int x : 1, |
| BITFIELD_FIELD(unsigned int imm20_16 : 5, |
| BITFIELD_FIELD(signed int imm25_21 : 5, |
| ;)))) |
| }; |
| |
| struct m16e_i64 { |
| BITFIELD_FIELD(unsigned int opcode : 5, |
| BITFIELD_FIELD(unsigned int func : 3, |
| BITFIELD_FIELD(unsigned int imm : 8, |
| ;))) |
| }; |
| |
| struct m16e_ri64 { |
| BITFIELD_FIELD(unsigned int opcode : 5, |
| BITFIELD_FIELD(unsigned int func : 3, |
| BITFIELD_FIELD(unsigned int ry : 3, |
| BITFIELD_FIELD(unsigned int imm : 5, |
| ;)))) |
| }; |
| |
| struct m16e_ri { |
| BITFIELD_FIELD(unsigned int opcode : 5, |
| BITFIELD_FIELD(unsigned int rx : 3, |
| BITFIELD_FIELD(unsigned int imm : 8, |
| ;))) |
| }; |
| |
| struct m16e_rri { |
| BITFIELD_FIELD(unsigned int opcode : 5, |
| BITFIELD_FIELD(unsigned int rx : 3, |
| BITFIELD_FIELD(unsigned int ry : 3, |
| BITFIELD_FIELD(unsigned int imm : 5, |
| ;)))) |
| }; |
| |
| struct m16e_i8 { |
| BITFIELD_FIELD(unsigned int opcode : 5, |
| BITFIELD_FIELD(unsigned int func : 3, |
| BITFIELD_FIELD(unsigned int imm : 8, |
| ;))) |
| }; |
| |
| union mips_instruction { |
| unsigned int word; |
| unsigned short halfword[2]; |
| unsigned char byte[4]; |
| struct j_format j_format; |
| struct i_format i_format; |
| struct u_format u_format; |
| struct c_format c_format; |
| struct r_format r_format; |
| struct p_format p_format; |
| struct f_format f_format; |
| struct ma_format ma_format; |
| struct b_format b_format; |
| struct ps_format ps_format; |
| struct v_format v_format; |
| struct fb_format fb_format; |
| struct fp0_format fp0_format; |
| struct mm_fp0_format mm_fp0_format; |
| struct fp1_format fp1_format; |
| struct mm_fp1_format mm_fp1_format; |
| struct mm_fp2_format mm_fp2_format; |
| struct mm_fp3_format mm_fp3_format; |
| struct mm_fp4_format mm_fp4_format; |
| struct mm_fp5_format mm_fp5_format; |
| struct fp6_format fp6_format; |
| struct mm_fp6_format mm_fp6_format; |
| struct mm_i_format mm_i_format; |
| struct mm_m_format mm_m_format; |
| struct mm_x_format mm_x_format; |
| struct mm_b0_format mm_b0_format; |
| struct mm_b1_format mm_b1_format; |
| struct mm16_m_format mm16_m_format ; |
| struct mm16_rb_format mm16_rb_format; |
| struct mm16_r3_format mm16_r3_format; |
| struct mm16_r5_format mm16_r5_format; |
| }; |
| |
| union mips16e_instruction { |
| unsigned int full : 16; |
| struct m16e_rr rr; |
| struct m16e_jal jal; |
| struct m16e_i64 i64; |
| struct m16e_ri64 ri64; |
| struct m16e_ri ri; |
| struct m16e_rri rri; |
| struct m16e_i8 i8; |
| }; |
| |
| #endif /* _UAPI_ASM_INST_H */ |
