| // Copyright lowRISC contributors. |
| // Licensed under the Apache License, Version 2.0, see LICENSE for details. |
| // SPDX-License-Identifier: Apache-2.0 |
| |
| class jtag_dmi_item extends uvm_sequence_item; |
| |
| // JTAG DMI accesses are driven / monitored by writing to JTAG DTM register called DMI. Please see |
| // JTAG RISCV debug specification 0.13.2, section 6.1.5 for more details. |
| // |
| // These fields are declared with larger widths than actually used. The actual widths are defined |
| // in the DMI register defined in the spec. The actual width of these fields are design specific. |
| // For the sake of simplicity, we just set them wide enough. |
| // |
| // These represent both, the driven as well as the monitored transaction. Note that at this time, |
| // the jtag_dmi_agent is a monitor-only agent. |
| rand jtag_dmi_op_req_e req_op; |
| rand uvm_reg_addr_t addr; |
| rand uvm_reg_data_t wdata; |
| |
| rand jtag_dmi_op_rsp_e rsp_op; |
| rand uvm_reg_data_t rdata; |
| |
| `uvm_object_utils_begin(jtag_dmi_item) |
| `uvm_field_enum(jtag_dmi_op_req_e, req_op, UVM_DEFAULT) |
| `uvm_field_int (addr, UVM_DEFAULT) |
| `uvm_field_int (wdata, UVM_DEFAULT) |
| `uvm_field_enum(jtag_dmi_op_rsp_e, rsp_op, UVM_DEFAULT) |
| `uvm_field_int (rdata, UVM_DEFAULT) |
| `uvm_object_utils_end |
| |
| `uvm_object_new |
| |
| endclass |
