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# ─── Testbench CMake ──────────────────────────────────────────────────────────────
#
# Each testbench is registered as a Verilator simulation target + CTest.
#
# To add a new unit test, call:
# add_verilator_target(
# NAME tb_<module>
# TOP_MODULE <module>
# SOURCES ${RTL_CORE_DIR}/<module>.sv [... dependencies ...]
# INCLUDE_DIRS ${RTL_INCLUDE_DIR}
# TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_<module>.cpp
# )
#
enable_testing()
# ─── Collect common RTL include dirs ─────────────────────────────────────────────
set(RTL_COMMON_INCLUDES
${RTL_INCLUDE_DIR}
)
# ─── Collect all RTL sources for SoC-level sim ───────────────────────────────────
file(GLOB_RECURSE ALL_RTL_SOURCES
${RTL_DIR}/*.sv
)
# ═══════════════════════════════════════════════════════════════════════════════════
# Unit Tests
# ═══════════════════════════════════════════════════════════════════════════════════
#
# Uncomment and fill in as you implement each module, for example:
#
add_verilator_target(
NAME tb_alu
TOP_MODULE alu
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/alu.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_alu.cc
)
add_verilator_target(
NAME tb_decoder
TOP_MODULE decoder
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/decoder.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_decoder.cc
)
add_verilator_target(
NAME tb_regfile
TOP_MODULE regfile
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/regfile.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_regfile.cc
)
add_verilator_target(
NAME tb_branch
TOP_MODULE branch_unit
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/branch_unit.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_branch.cc
)
add_verilator_target(
NAME tb_if_stage
TOP_MODULE if_stage
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/if_stage.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_if_stage.cc
)
add_verilator_target(
NAME tb_id_stage
TOP_MODULE id_stage
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/decoder.sv
${RTL_CORE_DIR}/regfile.sv
${RTL_CORE_DIR}/id_stage.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_id_stage.cc
)
add_verilator_target(
NAME tb_if_id_reg
TOP_MODULE if_id_reg
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/if_id_reg.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_if_id_reg.cc
)
add_verilator_target(
NAME tb_id_ex_reg
TOP_MODULE id_ex_reg
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/id_ex_reg.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_id_ex_reg.cc
)
add_verilator_target(
NAME tb_ex_stage
TOP_MODULE ex_stage
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/alu.sv
${RTL_CORE_DIR}/branch_unit.sv
${RTL_CORE_DIR}/ex_stage.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_ex_stage.cc
)
add_verilator_target(
NAME tb_ex_mem_reg
TOP_MODULE ex_mem_reg
SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
${RTL_CORE_DIR}/ex_mem_reg.sv
INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_ex_mem_reg.cc
)
#
# add_verilator_target(
# NAME tb_csr
# TOP_MODULE csr_unit
# SOURCES ${RTL_CORE_DIR}/include/rv64_pkg.sv
# ${RTL_CORE_DIR}/include/csr_pkg.sv
# ${RTL_CORE_DIR}/csr_unit.sv
# INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
# TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_csr.cc
# )
# ═══════════════════════════════════════════════════════════════════════════════════
# Core Integration Test
# ═══════════════════════════════════════════════════════════════════════════════════
#
# add_verilator_target(
# NAME tb_core
# TOP_MODULE richard_core
# SOURCES ${ALL_RTL_SOURCES}
# INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
# TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/core/tb_core.cc
# )
# ═══════════════════════════════════════════════════════════════════════════════════
# SoC Integration Test
# ═══════════════════════════════════════════════════════════════════════════════════
#
# add_verilator_target(
# NAME tb_soc
# TOP_MODULE richard_soc
# SOURCES ${ALL_RTL_SOURCES}
# INCLUDE_DIRS ${RTL_COMMON_INCLUDES}
# TB_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/soc/tb_soc.cc
# EXTRA_FLAGS --threads 2
# )
# ═══════════════════════════════════════════════════════════════════════════════════
# Compliance Tests
# ═══════════════════════════════════════════════════════════════════════════════════
#
# add_subdirectory(compliance)
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