Merge remote-tracking branch 'rv64cpu-import/master'

1 files changed, 60 insertions, 0 deletions

diff --git a/rv64cpu/cmake/verilator.cmake b/rv64cpu/cmake/verilator.cmake
new file mode 100644
index 0000000..8c0a006
--- /dev/null
+++ b/rv64cpu/cmake/verilator.cmake
@@ -0,0 +1,60 @@
+# ─── Verilator CMake Helper ──────────────────────────────────────────────────────
+#
+# Provides the `add_verilator_target()` function to simplify creating
+# Verilator simulation executables.
+#
+# Usage:
+#   add_verilator_target(
+#       NAME        tb_alu
+#       TOP_MODULE  alu
+#       SOURCES     ${RTL_CORE_DIR}/alu.sv
+#       INCLUDE_DIRS ${RTL_INCLUDE_DIR}
+#       TB_SOURCES  ${CMAKE_CURRENT_SOURCE_DIR}/unit/tb_alu.cpp
+#       PREFIX      Valu
+#   )
+
+function(add_verilator_target)
+    cmake_parse_arguments(VT
+        ""                                          # Options
+        "NAME;TOP_MODULE;PREFIX"                     # Single-value args
+        "SOURCES;INCLUDE_DIRS;TB_SOURCES;EXTRA_FLAGS" # Multi-value args
+        ${ARGN}
+    )
+
+    if(NOT VT_PREFIX)
+        set(VT_PREFIX "V${VT_TOP_MODULE}")
+    endif()
+
+    # Create C++ executable for the testbench
+    add_executable(${VT_NAME} ${VT_TB_SOURCES})
+
+    target_include_directories(${VT_NAME} PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/common
+    )
+
+    # Build include dir flags
+    set(_INCLUDE_FLAGS "")
+    foreach(_dir ${VT_INCLUDE_DIRS})
+        list(APPEND _INCLUDE_FLAGS "-I${_dir}")
+    endforeach()
+
+    # Verilate the RTL sources
+    verilate(${VT_NAME}
+        PREFIX      ${VT_PREFIX}
+        SOURCES     ${VT_SOURCES}
+        TOP_MODULE  ${VT_TOP_MODULE}
+        VERILATOR_ARGS
+            ${VERILATOR_COMMON_FLAGS}
+            ${_INCLUDE_FLAGS}
+            ${VT_EXTRA_FLAGS}
+    )
+
+    # Register as CTest
+    add_test(
+        NAME    ${VT_NAME}
+        COMMAND ${VT_NAME}
+    )
+
+    # Set test timeout
+    set_tests_properties(${VT_NAME} PROPERTIES TIMEOUT 60)
+endfunction()