`ifndef RVV_DISPATCH__SVH
`define RVV_DISPATCH__SVH

`ifndef HDL_VERILOG_RVV_DESIGN_RVV_DEFINE_SVH
`include "rvv_backend_define.svh"
`endif  // not defined HDL_VERILOG_RVV_DESIGN_RVV_DEFINE_SVH

// input signals for RAW check
typedef struct packed {
  logic [`REGFILE_INDEX_WIDTH-1:0] vs1_index;
  logic                            vs1_valid; // set if vs1 is a source operand
  logic [`REGFILE_INDEX_WIDTH-1:0] vs2_index;
  logic                            vs2_valid; // set if vs2 is a source operand
  logic [`REGFILE_INDEX_WIDTH-1:0] vd_index;
  logic                            vs3_valid; // set if vd is a source operand
  logic                            vm;
} SUC_UOP_RAW_t;

typedef struct packed {
  logic [`REGFILE_INDEX_WIDTH-1:0] w_index; 
  W_DATA_TYPE_e                    w_type; 
  logic                            w_valid;
  logic                            valid;
} PRE_UOP_RAW_t;

// RAW hazard information
typedef struct packed {
  logic [`ROB_DEPTH-1:0] vs1_hit;
  logic                  vs1_wait;
  logic [`ROB_DEPTH-1:0] vs2_hit;
  logic                  vs2_wait;
  logic [`ROB_DEPTH-1:0] vd_hit;
  logic                  vd_wait;
  logic [`ROB_DEPTH-1:0] v0_hit;
  logic                  v0_wait;
} RAW_UOP_ROB_t;

typedef struct packed {
  logic                  vs1_wait;
  logic                  vs2_wait;
  logic                  vd_wait;
  logic                  v0_wait;
} RAW_UOP_UOP_t;

// Input signals for structure hazard
typedef struct packed {
  logic [`REGFILE_INDEX_WIDTH-1:0] vs1_index;
  logic                            vs1_valid;
  logic [`REGFILE_INDEX_WIDTH-1:0] vs2_index;
  logic                            vs2_valid;
  logic [`REGFILE_INDEX_WIDTH-1:0] vd_index;
  logic                            vs3_valid;
  EXE_UNIT_e                       uop_exe_unit;
  UOP_CLASS_e                      uop_class;
} STRCT_UOP_t;

// Structure hazard information
typedef struct packed {
  logic                  vr_limit; // VRF read port limitation
} ARCH_HAZARD_t;

// input signals of ROB for bypass unit
typedef struct packed {
  logic [`VLEN-1:0]      w_data;
  BYTE_TYPE_t            byte_type;
  logic                  tail_one;
  logic                  inactive_one;
} ROB_BYP_t;

// the vector operand of uop
typedef struct packed {
  logic [`VLEN-1:0]      vs1;
  logic [`VLEN-1:0]      vs2;
  logic [`VLEN-1:0]      vd;
  logic [`VLEN-1:0]      v0;
} UOP_OPN_t;

// input signals for ctrl unit
typedef struct packed {
  EXE_UNIT_e             uop_exe_unit;
  logic                  last_uop_valid;
} UOP_CTRL_t;

// input signals for opr_byte_type unit
typedef struct packed {
  logic [`UOP_INDEX_WIDTH-1:0] uop_index;
  EXE_UNIT_e                   uop_exe_unit;
  EEW_e                        vd_eew;
  EEW_e                        vs1_eew;
  EEW_e                        vs2_eew;
  logic [`VSTART_WIDTH-1:0]    vstart;
  logic [`VL_WIDTH-1:0]        vl;
  logic                        vm;
  logic                        ignore_vma;
  logic                        ignore_vta;
} UOP_INFO_t;

// the vector operand byte type in uop
typedef struct packed {
  BYTE_TYPE_t           vs2;
  BYTE_TYPE_t           vd;
  logic [`VLENB-1:0]    v0_strobe;
} UOP_OPN_BYTE_TYPE_t;

`endif // RVV_DISPATCH__SVH