add first version of cmake

benchmarks/dhrystone/CMakeLists.txt

@@ -0,0 +1,58 @@
+cmake_minimum_required(VERSION 3.12)
+project(dhrystone C)
+
+# Include BSP libwrap
+include(${BSP_BASE}/libwrap/CMakeLists.txt)
+
+# Source files
+set(SOURCES
+    dhry_1.c
+    dhry_2.c
+    dhry_stubs.c
+)
+
+# Create executable
+add_executable(dhrystone ${SOURCES})
+
+# Include directories
+target_include_directories(dhrystone PRIVATE
+    ${BSP_BASE}/include
+    ${BSP_BASE}/drivers
+    ${BSP_BASE}/env
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+# Link with libwrap
+target_link_libraries(dhrystone PRIVATE
+    LIBWRAP_TGC
+)
+
+# Add compile definitions
+target_compile_definitions(dhrystone PRIVATE
+    BOARD_${BOARD}
+)
+
+# Set compile options
+target_compile_options(dhrystone PRIVATE
+    -march=${RISCV_ARCH}_zicsr_zifencei
+    -mabi=${RISCV_ABI}
+    -mcmodel=medany
+    -ffunction-sections
+    -fdata-sections
+    -O2  # Optimization level for benchmarking
+    -DTIME  # Enable time measurement
+    -DNOENUM  # Disable enum usage as per dhrystone requirements
+)
+
+# Set linker options
+target_link_options(dhrystone PRIVATE
+    -T${BSP_BASE}/env/${BOARD}/link.ld
+    -nostartfiles
+    -Wl,--gc-sections
+    ${LIBWRAP_TGC_LDFLAGS}
+)
+
+# Install target
+install(TARGETS dhrystone
+    RUNTIME DESTINATION bin
+)