896 lines
22 KiB
C
896 lines
22 KiB
C
/*
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* Format of an instruction in memory.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1996, 2000 by Ralf Baechle
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* Copyright (C) 2006 by Thiemo Seufer
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* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
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*/
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#ifndef _UAPI_ASM_INST_H
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#define _UAPI_ASM_INST_H
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/*
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* Major opcodes; before MIPS IV cop1x was called cop3.
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*/
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enum major_op {
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spec_op, bcond_op, j_op, jal_op,
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beq_op, bne_op, blez_op, bgtz_op,
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addi_op, addiu_op, slti_op, sltiu_op,
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andi_op, ori_op, xori_op, lui_op,
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cop0_op, cop1_op, cop2_op, cop1x_op,
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beql_op, bnel_op, blezl_op, bgtzl_op,
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daddi_op, daddiu_op, ldl_op, ldr_op,
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spec2_op, jalx_op, mdmx_op, spec3_op,
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lb_op, lh_op, lwl_op, lw_op,
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lbu_op, lhu_op, lwr_op, lwu_op,
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sb_op, sh_op, swl_op, sw_op,
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sdl_op, sdr_op, swr_op, cache_op,
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ll_op, lwc1_op, lwc2_op, pref_op,
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lld_op, ldc1_op, ldc2_op, ld_op,
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sc_op, swc1_op, swc2_op, major_3b_op,
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scd_op, sdc1_op, sdc2_op, sd_op
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};
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/*
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* func field of spec opcode.
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*/
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enum spec_op {
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sll_op, movc_op, srl_op, sra_op,
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sllv_op, pmon_op, srlv_op, srav_op,
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jr_op, jalr_op, movz_op, movn_op,
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syscall_op, break_op, spim_op, sync_op,
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mfhi_op, mthi_op, mflo_op, mtlo_op,
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dsllv_op, spec2_unused_op, dsrlv_op, dsrav_op,
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mult_op, multu_op, div_op, divu_op,
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dmult_op, dmultu_op, ddiv_op, ddivu_op,
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add_op, addu_op, sub_op, subu_op,
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and_op, or_op, xor_op, nor_op,
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spec3_unused_op, spec4_unused_op, slt_op, sltu_op,
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dadd_op, daddu_op, dsub_op, dsubu_op,
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tge_op, tgeu_op, tlt_op, tltu_op,
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teq_op, spec5_unused_op, tne_op, spec6_unused_op,
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dsll_op, spec7_unused_op, dsrl_op, dsra_op,
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dsll32_op, spec8_unused_op, dsrl32_op, dsra32_op
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};
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/*
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* func field of spec2 opcode.
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*/
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enum spec2_op {
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madd_op, maddu_op, mul_op, spec2_3_unused_op,
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msub_op, msubu_op, /* more unused ops */
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clz_op = 0x20, clo_op,
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dclz_op = 0x24, dclo_op,
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sdbpp_op = 0x3f
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};
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/*
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* func field of spec3 opcode.
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*/
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enum spec3_op {
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ext_op, dextm_op, dextu_op, dext_op,
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ins_op, dinsm_op, dinsu_op, dins_op,
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lx_op = 0x0a,
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bshfl_op = 0x20,
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dbshfl_op = 0x24,
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rdhwr_op = 0x3b
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};
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/*
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* rt field of bcond opcodes.
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*/
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enum rt_op {
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bltz_op, bgez_op, bltzl_op, bgezl_op,
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spimi_op, unused_rt_op_0x05, unused_rt_op_0x06, unused_rt_op_0x07,
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tgei_op, tgeiu_op, tlti_op, tltiu_op,
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teqi_op, unused_0x0d_rt_op, tnei_op, unused_0x0f_rt_op,
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bltzal_op, bgezal_op, bltzall_op, bgezall_op,
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rt_op_0x14, rt_op_0x15, rt_op_0x16, rt_op_0x17,
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rt_op_0x18, rt_op_0x19, rt_op_0x1a, rt_op_0x1b,
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bposge32_op, rt_op_0x1d, rt_op_0x1e, rt_op_0x1f
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};
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/*
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* rs field of cop opcodes.
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*/
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enum cop_op {
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mfc_op = 0x00, dmfc_op = 0x01,
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cfc_op = 0x02, mtc_op = 0x04,
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dmtc_op = 0x05, ctc_op = 0x06,
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bc_op = 0x08, cop_op = 0x10,
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copm_op = 0x18
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};
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/*
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* rt field of cop.bc_op opcodes
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*/
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enum bcop_op {
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bcf_op, bct_op, bcfl_op, bctl_op
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};
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/*
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* func field of cop0 coi opcodes.
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*/
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enum cop0_coi_func {
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tlbr_op = 0x01, tlbwi_op = 0x02,
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tlbwr_op = 0x06, tlbp_op = 0x08,
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rfe_op = 0x10, eret_op = 0x18
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};
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/*
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* func field of cop0 com opcodes.
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*/
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enum cop0_com_func {
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tlbr1_op = 0x01, tlbw_op = 0x02,
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tlbp1_op = 0x08, dctr_op = 0x09,
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dctw_op = 0x0a
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};
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/*
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* fmt field of cop1 opcodes.
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*/
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enum cop1_fmt {
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s_fmt, d_fmt, e_fmt, q_fmt,
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w_fmt, l_fmt
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};
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/*
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* func field of cop1 instructions using d, s or w format.
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*/
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enum cop1_sdw_func {
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fadd_op = 0x00, fsub_op = 0x01,
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fmul_op = 0x02, fdiv_op = 0x03,
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fsqrt_op = 0x04, fabs_op = 0x05,
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fmov_op = 0x06, fneg_op = 0x07,
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froundl_op = 0x08, ftruncl_op = 0x09,
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fceill_op = 0x0a, ffloorl_op = 0x0b,
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fround_op = 0x0c, ftrunc_op = 0x0d,
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fceil_op = 0x0e, ffloor_op = 0x0f,
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fmovc_op = 0x11, fmovz_op = 0x12,
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fmovn_op = 0x13, frecip_op = 0x15,
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frsqrt_op = 0x16, fcvts_op = 0x20,
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fcvtd_op = 0x21, fcvte_op = 0x22,
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fcvtw_op = 0x24, fcvtl_op = 0x25,
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fcmp_op = 0x30
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};
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/*
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* func field of cop1x opcodes (MIPS IV).
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*/
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enum cop1x_func {
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lwxc1_op = 0x00, ldxc1_op = 0x01,
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pfetch_op = 0x07, swxc1_op = 0x08,
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sdxc1_op = 0x09, madd_s_op = 0x20,
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madd_d_op = 0x21, madd_e_op = 0x22,
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msub_s_op = 0x28, msub_d_op = 0x29,
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msub_e_op = 0x2a, nmadd_s_op = 0x30,
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nmadd_d_op = 0x31, nmadd_e_op = 0x32,
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nmsub_s_op = 0x38, nmsub_d_op = 0x39,
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nmsub_e_op = 0x3a
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};
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/*
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* func field for mad opcodes (MIPS IV).
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*/
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enum mad_func {
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madd_fp_op = 0x08, msub_fp_op = 0x0a,
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nmadd_fp_op = 0x0c, nmsub_fp_op = 0x0e
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};
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/*
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* func field for special3 lx opcodes (Cavium Octeon).
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*/
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enum lx_func {
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lwx_op = 0x00,
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lhx_op = 0x04,
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lbux_op = 0x06,
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ldx_op = 0x08,
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lwux_op = 0x10,
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lhux_op = 0x14,
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lbx_op = 0x16,
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};
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/*
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* (microMIPS) Major opcodes.
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*/
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enum mm_major_op {
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mm_pool32a_op, mm_pool16a_op, mm_lbu16_op, mm_move16_op,
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mm_addi32_op, mm_lbu32_op, mm_sb32_op, mm_lb32_op,
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mm_pool32b_op, mm_pool16b_op, mm_lhu16_op, mm_andi16_op,
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mm_addiu32_op, mm_lhu32_op, mm_sh32_op, mm_lh32_op,
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mm_pool32i_op, mm_pool16c_op, mm_lwsp16_op, mm_pool16d_op,
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mm_ori32_op, mm_pool32f_op, mm_reserved1_op, mm_reserved2_op,
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mm_pool32c_op, mm_lwgp16_op, mm_lw16_op, mm_pool16e_op,
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mm_xori32_op, mm_jals32_op, mm_addiupc_op, mm_reserved3_op,
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mm_reserved4_op, mm_pool16f_op, mm_sb16_op, mm_beqz16_op,
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mm_slti32_op, mm_beq32_op, mm_swc132_op, mm_lwc132_op,
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mm_reserved5_op, mm_reserved6_op, mm_sh16_op, mm_bnez16_op,
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mm_sltiu32_op, mm_bne32_op, mm_sdc132_op, mm_ldc132_op,
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mm_reserved7_op, mm_reserved8_op, mm_swsp16_op, mm_b16_op,
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mm_andi32_op, mm_j32_op, mm_sd32_op, mm_ld32_op,
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mm_reserved11_op, mm_reserved12_op, mm_sw16_op, mm_li16_op,
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mm_jalx32_op, mm_jal32_op, mm_sw32_op, mm_lw32_op,
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};
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/*
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* (microMIPS) POOL32I minor opcodes.
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*/
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enum mm_32i_minor_op {
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mm_bltz_op, mm_bltzal_op, mm_bgez_op, mm_bgezal_op,
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mm_blez_op, mm_bnezc_op, mm_bgtz_op, mm_beqzc_op,
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mm_tlti_op, mm_tgei_op, mm_tltiu_op, mm_tgeiu_op,
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mm_tnei_op, mm_lui_op, mm_teqi_op, mm_reserved13_op,
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mm_synci_op, mm_bltzals_op, mm_reserved14_op, mm_bgezals_op,
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mm_bc2f_op, mm_bc2t_op, mm_reserved15_op, mm_reserved16_op,
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mm_reserved17_op, mm_reserved18_op, mm_bposge64_op, mm_bposge32_op,
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mm_bc1f_op, mm_bc1t_op, mm_reserved19_op, mm_reserved20_op,
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mm_bc1any2f_op, mm_bc1any2t_op, mm_bc1any4f_op, mm_bc1any4t_op,
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};
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/*
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* (microMIPS) POOL32A minor opcodes.
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*/
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enum mm_32a_minor_op {
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mm_sll32_op = 0x000,
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mm_ins_op = 0x00c,
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mm_ext_op = 0x02c,
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mm_pool32axf_op = 0x03c,
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mm_srl32_op = 0x040,
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mm_sra_op = 0x080,
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mm_rotr_op = 0x0c0,
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mm_lwxs_op = 0x118,
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mm_addu32_op = 0x150,
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mm_subu32_op = 0x1d0,
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mm_and_op = 0x250,
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mm_or32_op = 0x290,
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mm_xor32_op = 0x310,
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};
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/*
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* (microMIPS) POOL32B functions.
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*/
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enum mm_32b_func {
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mm_lwc2_func = 0x0,
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mm_lwp_func = 0x1,
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mm_ldc2_func = 0x2,
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mm_ldp_func = 0x4,
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mm_lwm32_func = 0x5,
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mm_cache_func = 0x6,
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mm_ldm_func = 0x7,
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mm_swc2_func = 0x8,
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mm_swp_func = 0x9,
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mm_sdc2_func = 0xa,
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mm_sdp_func = 0xc,
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mm_swm32_func = 0xd,
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mm_sdm_func = 0xf,
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};
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/*
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* (microMIPS) POOL32C functions.
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*/
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enum mm_32c_func {
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mm_pref_func = 0x2,
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mm_ll_func = 0x3,
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mm_swr_func = 0x9,
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mm_sc_func = 0xb,
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mm_lwu_func = 0xe,
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};
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/*
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* (microMIPS) POOL32AXF minor opcodes.
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*/
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enum mm_32axf_minor_op {
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mm_mfc0_op = 0x003,
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mm_mtc0_op = 0x00b,
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mm_tlbp_op = 0x00d,
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mm_jalr_op = 0x03c,
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mm_tlbr_op = 0x04d,
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mm_jalrhb_op = 0x07c,
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mm_tlbwi_op = 0x08d,
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mm_tlbwr_op = 0x0cd,
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mm_jalrs_op = 0x13c,
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mm_jalrshb_op = 0x17c,
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mm_syscall_op = 0x22d,
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mm_eret_op = 0x3cd,
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};
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/*
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* (microMIPS) POOL32F minor opcodes.
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*/
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enum mm_32f_minor_op {
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mm_32f_00_op = 0x00,
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mm_32f_01_op = 0x01,
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mm_32f_02_op = 0x02,
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mm_32f_10_op = 0x08,
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mm_32f_11_op = 0x09,
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mm_32f_12_op = 0x0a,
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mm_32f_20_op = 0x10,
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mm_32f_30_op = 0x18,
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mm_32f_40_op = 0x20,
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mm_32f_41_op = 0x21,
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mm_32f_42_op = 0x22,
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mm_32f_50_op = 0x28,
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mm_32f_51_op = 0x29,
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mm_32f_52_op = 0x2a,
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mm_32f_60_op = 0x30,
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mm_32f_70_op = 0x38,
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mm_32f_73_op = 0x3b,
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mm_32f_74_op = 0x3c,
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};
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/*
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* (microMIPS) POOL32F secondary minor opcodes.
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*/
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enum mm_32f_10_minor_op {
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mm_lwxc1_op = 0x1,
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mm_swxc1_op,
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mm_ldxc1_op,
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mm_sdxc1_op,
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mm_luxc1_op,
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mm_suxc1_op,
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};
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enum mm_32f_func {
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mm_lwxc1_func = 0x048,
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mm_swxc1_func = 0x088,
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mm_ldxc1_func = 0x0c8,
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mm_sdxc1_func = 0x108,
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};
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/*
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* (microMIPS) POOL32F secondary minor opcodes.
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*/
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enum mm_32f_40_minor_op {
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mm_fmovf_op,
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mm_fmovt_op,
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};
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/*
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* (microMIPS) POOL32F secondary minor opcodes.
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*/
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enum mm_32f_60_minor_op {
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mm_fadd_op,
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mm_fsub_op,
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mm_fmul_op,
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mm_fdiv_op,
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};
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/*
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* (microMIPS) POOL32F secondary minor opcodes.
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*/
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enum mm_32f_70_minor_op {
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mm_fmovn_op,
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mm_fmovz_op,
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};
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/*
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* (microMIPS) POOL32FXF secondary minor opcodes for POOL32F.
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*/
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enum mm_32f_73_minor_op {
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mm_fmov0_op = 0x01,
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mm_fcvtl_op = 0x04,
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mm_movf0_op = 0x05,
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mm_frsqrt_op = 0x08,
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mm_ffloorl_op = 0x0c,
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mm_fabs0_op = 0x0d,
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mm_fcvtw_op = 0x24,
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mm_movt0_op = 0x25,
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mm_fsqrt_op = 0x28,
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mm_ffloorw_op = 0x2c,
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mm_fneg0_op = 0x2d,
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mm_cfc1_op = 0x40,
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mm_frecip_op = 0x48,
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mm_fceill_op = 0x4c,
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mm_fcvtd0_op = 0x4d,
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mm_ctc1_op = 0x60,
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mm_fceilw_op = 0x6c,
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mm_fcvts0_op = 0x6d,
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mm_mfc1_op = 0x80,
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mm_fmov1_op = 0x81,
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mm_movf1_op = 0x85,
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mm_ftruncl_op = 0x8c,
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mm_fabs1_op = 0x8d,
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mm_mtc1_op = 0xa0,
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mm_movt1_op = 0xa5,
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mm_ftruncw_op = 0xac,
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mm_fneg1_op = 0xad,
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mm_froundl_op = 0xcc,
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mm_fcvtd1_op = 0xcd,
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mm_froundw_op = 0xec,
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mm_fcvts1_op = 0xed,
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};
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/*
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* (microMIPS) POOL16C minor opcodes.
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*/
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enum mm_16c_minor_op {
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mm_lwm16_op = 0x04,
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mm_swm16_op = 0x05,
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mm_jr16_op = 0x18,
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mm_jrc_op = 0x1a,
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mm_jalr16_op = 0x1c,
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mm_jalrs16_op = 0x1e,
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};
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/*
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* (microMIPS) POOL16D minor opcodes.
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*/
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enum mm_16d_minor_op {
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mm_addius5_func,
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mm_addiusp_func,
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};
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/*
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* (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 */
|