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Diffstat (limited to 'arch/mips/include/asm/inst.h')
-rw-r--r--arch/mips/include/asm/inst.h360
1 files changed, 13 insertions, 347 deletions
diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h
index 33c34adbecf..22912f78401 100644
--- a/arch/mips/include/asm/inst.h
+++ b/arch/mips/include/asm/inst.h
@@ -11,353 +11,7 @@
#ifndef _ASM_INST_H
#define _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, mtc_op = 0x04,
- dmtc_op = 0x05, ctc_op = 0x06,
- 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,
- pfetch_op = 0x07, swxc1_op = 0x08,
- sdxc1_op = 0x09, 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,
-};
-
-/*
- * Damn ... bitfields depend from byteorder :-(
- */
-#ifdef __MIPSEB__
-struct j_format { /* Jump format */
- unsigned int opcode : 6;
- unsigned int target : 26;
-};
-
-struct i_format { /* Immediate format (addi, lw, ...) */
- unsigned int opcode : 6;
- unsigned int rs : 5;
- unsigned int rt : 5;
- signed int simmediate : 16;
-};
-
-struct u_format { /* Unsigned immediate format (ori, xori, ...) */
- unsigned int opcode : 6;
- unsigned int rs : 5;
- unsigned int rt : 5;
- unsigned int uimmediate : 16;
-};
-
-struct c_format { /* Cache (>= R6000) format */
- unsigned int opcode : 6;
- unsigned int rs : 5;
- unsigned int c_op : 3;
- unsigned int cache : 2;
- unsigned int simmediate : 16;
-};
-
-struct r_format { /* Register format */
- unsigned int opcode : 6;
- unsigned int rs : 5;
- unsigned int rt : 5;
- unsigned int rd : 5;
- unsigned int re : 5;
- unsigned int func : 6;
-};
-
-struct p_format { /* Performance counter format (R10000) */
- unsigned int opcode : 6;
- unsigned int rs : 5;
- unsigned int rt : 5;
- unsigned int rd : 5;
- unsigned int re : 5;
- unsigned int func : 6;
-};
-
-struct f_format { /* FPU register format */
- unsigned int opcode : 6;
- unsigned int : 1;
- unsigned int fmt : 4;
- unsigned int rt : 5;
- unsigned int rd : 5;
- unsigned int re : 5;
- unsigned int func : 6;
-};
-
-struct ma_format { /* FPU multiply and add format (MIPS IV) */
- unsigned int opcode : 6;
- unsigned int fr : 5;
- unsigned int ft : 5;
- unsigned int fs : 5;
- unsigned int fd : 5;
- unsigned int func : 4;
- unsigned int fmt : 2;
-};
-
-struct b_format { /* BREAK and SYSCALL */
- unsigned int opcode:6;
- unsigned int code:20;
- unsigned int func:6;
-};
-
-#elif defined(__MIPSEL__)
-
-struct j_format { /* Jump format */
- unsigned int target : 26;
- unsigned int opcode : 6;
-};
-
-struct i_format { /* Immediate format */
- signed int simmediate : 16;
- unsigned int rt : 5;
- unsigned int rs : 5;
- unsigned int opcode : 6;
-};
-
-struct u_format { /* Unsigned immediate format */
- unsigned int uimmediate : 16;
- unsigned int rt : 5;
- unsigned int rs : 5;
- unsigned int opcode : 6;
-};
-
-struct c_format { /* Cache (>= R6000) format */
- unsigned int simmediate : 16;
- unsigned int cache : 2;
- unsigned int c_op : 3;
- unsigned int rs : 5;
- unsigned int opcode : 6;
-};
-
-struct r_format { /* Register format */
- unsigned int func : 6;
- unsigned int re : 5;
- unsigned int rd : 5;
- unsigned int rt : 5;
- unsigned int rs : 5;
- unsigned int opcode : 6;
-};
-
-struct p_format { /* Performance counter format (R10000) */
- unsigned int func : 6;
- unsigned int re : 5;
- unsigned int rd : 5;
- unsigned int rt : 5;
- unsigned int rs : 5;
- unsigned int opcode : 6;
-};
-
-struct f_format { /* FPU register format */
- unsigned int func : 6;
- unsigned int re : 5;
- unsigned int rd : 5;
- unsigned int rt : 5;
- unsigned int fmt : 4;
- unsigned int : 1;
- unsigned int opcode : 6;
-};
-
-struct ma_format { /* FPU multiply and add format (MIPS IV) */
- unsigned int fmt : 2;
- unsigned int func : 4;
- unsigned int fd : 5;
- unsigned int fs : 5;
- unsigned int ft : 5;
- unsigned int fr : 5;
- unsigned int opcode : 6;
-};
-
-struct b_format { /* BREAK and SYSCALL */
- unsigned int func:6;
- unsigned int code:20;
- unsigned int opcode:6;
-};
-
-#else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */
-#error "MIPS but neither __MIPSEL__ nor __MIPSEB__?"
-#endif
-
-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;
-};
+#include <uapi/asm/inst.h>
/* HACHACHAHCAHC ... */
@@ -419,4 +73,16 @@ union mips_instruction {
typedef unsigned int mips_instruction;
+/* microMIPS instruction decode structure. Do NOT export!!! */
+struct mm_decoded_insn {
+ mips_instruction insn;
+ mips_instruction next_insn;
+ int pc_inc;
+ int next_pc_inc;
+ int micro_mips_mode;
+};
+
+/* Recode table from 16-bit register notation to 32-bit GPR. Do NOT export!!! */
+extern const int reg16to32[];
+
#endif /* _ASM_INST_H */
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 06:53:01 +0000