-decode_action_trap_illegal_instruction = 0x1
-decode_action_load = 0x2
-decode_action_fence = 0x4
-decode_action_fence_i = 0x8
-decode_action_op_op_imm = 0x10
-decode_action_lui_auipc = 0x20
-decode_action_store = 0x40
-decode_action_branch = 0x80
-decode_action_jalr = 0x100
-decode_action_jal = 0x200
-decode_action_trap_ecall_ebreak = 0x400
-decode_action_csr = 0x800
+decode_action_trap_illegal_instruction = Constant(0x1, decode_action)
+decode_action_load = Constant(0x2, decode_action)
+decode_action_fence = Constant(0x4, decode_action)
+decode_action_fence_i = Constant(0x8, decode_action)
+decode_action_op_op_imm = Constant(0x10, decode_action)
+decode_action_lui_auipc = Constant(0x20, decode_action)
+decode_action_store = Constant(0x40, decode_action)
+decode_action_branch = Constant(0x80, decode_action)
+decode_action_jalr = Constant(0x100, decode_action)
+decode_action_jal = Constant(0x200, decode_action)
+decode_action_trap_ecall_ebreak = Constant(0x400, decode_action)
+decode_action_csr = Constant(0x800, decode_action)