CAPI=2:
# Copyright lowRISC contributors.
# Licensed under the Apache License, Version 2.0, see LICENSE for details.
# SPDX-License-Identifier: Apache-2.0

name: "lowrisc:ibex:tb_cs_registers"
description: "CS registers testbench"
filesets:
  files_so:
    files:
      - Makefile
      - rst_driver/rst_dpi.cc
      - rst_driver/reset_driver.cc
      - rst_driver/reset_driver.h
      - reg_driver/csr_listing.def
      - reg_driver/reg_dpi.cc
      - reg_driver/register_driver.cc
      - reg_driver/register_driver.h
      - reg_driver/register_transaction.cc
      - reg_driver/register_transaction.h
      - env/env_dpi.cc
      - env/register_environment.cc
      - env/register_environment.h
      - env/simctrl.cc
      - env/simctrl.h
      - env/register_types.h
      - model/base_register.cc
      - model/base_register.h
      - model/register_model.cc
      - model/register_model.h
    file_type: user

  files_sim_verilator:
    depend:
      - lowrisc:dv_verilator:simutil_verilator
    files:
      - tb/tb_cs_registers.cc: { file_type: cppSource }

  files_sim:
    depend:
      - lowrisc:ibex:ibex_core
    files:
      - env/env_dpi.sv
      - rst_driver/rst_dpi.sv
      - reg_driver/reg_dpi.sv
      - tb/tb_cs_registers.sv
    file_type: systemVerilogSource

# Call make to build C++ shared object (workaround until natively supported by
# fusesoc) see olofk/fusesoc#311
scripts:
  build_so:
    filesets:
      - files_so
    cmd:
      - make
      - -C
      - ../src/lowrisc_ibex_tb_cs_registers_0

parameters:
  PMPEnable:
    datatype: int
    paramtype: vlogparam
    default: 1
    description: PMP enabled [1/0]
  PMPNumRegions:
    datatype: int
    paramtype: vlogparam
    default: 4
    description: Number of implemented PMP regions [0/16]
  PMPGranularity:
    datatype: int
    paramtype: vlogparam
    default: 0
    description: Minimum PMP matching granularity [0/31]
  MHPMCounterNum:
    datatype: int
    paramtype: vlogparam
    default: 8
    description: Number of performance monitor event counters [0/29]
  MHPMCounterWidth:
    datatype: int
    paramtype: vlogparam
    default: 40
    description: Bit width of performance monitor event counters [32/64]

targets:
  sim:
    default_tool: verilator
    toplevel: tb_cs_registers
    filesets:
      - files_sim
      - files_sim_verilator
    hooks:
      pre_build:
        - build_so
    parameters:
      - PMPEnable
      - PMPNumRegions
      - PMPGranularity
      - MHPMCounterNum
      - MHPMCounterWidth

    tools:
      vcs:
        vcs_options:
          - '../src/lowrisc_ibex_tb_cs_registers_0/build/bin/reg_dpi.so'
          - '-debug_access+all'

      verilator:
        mode: cc
        libs:
          - '../src/lowrisc_ibex_tb_cs_registers_0/build/bin/reg_dpi.so'
        verilator_options:
          # Disabling tracing reduces compile times but doesn't have a
          # huge influence on runtime performance.
          - '--trace'
          - '--trace-fst' # this requires -DVM_TRACE_FMT_FST in CFLAGS below!
          # Remove FST options for VCD trace (~100 x faster but larger files)
          - '--trace-structs'
          - '--trace-params'
          - '--trace-max-array 1024'
          - '-CFLAGS "-std=c++14 -Wall -DTOPLEVEL_NAME=tb_cs_registers -DVM_TRACE_FMT_FST -g"'
          - '-LDFLAGS "-pthread -lutil -lelf"'
          - "-Wall"
          - "-Wno-PINCONNECTEMPTY"
          # XXX: Cleanup all warnings and remove this option
          # (or make it more fine-grained at least)
          - "-Wno-fatal"
        make_options:
          # Optimization levels have a large impact on the runtime performance
          # of the simulation model. -O2 and -O3 are pretty similar, -Os is
          # slower than -O2/-O3
          - OPT_FAST="-O2"
