`include "timescale.sv"

package rv32i_defs;
  // Sizes in bits
  localparam int OperandSize = 32;
  localparam int InstructionSize = 32;
  localparam int NumRegisters = 32;
  localparam int RegisterSize = $clog2(NumRegisters);

  typedef enum logic [2:0] {
    SUM = 'b000,
    SUB = 'b001,
    OR  = 'b011,
    AND = 'b010,
    SLT = 'b101
  } alu_opcode_t;

  typedef enum logic [6:0] {
    STALL = 'b0000000,
    REG_OPERATION = 'b0110011,
    IMM_OPERATION = 'b0010011,
    LOAD = 'b0000011,
    STORE = 'b0100011,
    BRANCH = 'b1100011,
    JAL = 'b1101111,
    JALR = 'b1100111,
    LUI = 'b0110111,
    AUIPC = 'b0010111
  } opcode_fmt_t;
endpackage