updates dhrystone build

benchmarks/dhrystone/CMakeLists.txt

@@ -1,58 +1,21 @@
-cmake_minimum_required(VERSION 3.12)
+cmake_minimum_required(VERSION 3.21)
 project(dhrystone C)
+set(TARGET dhrystone)
+set(CMAKE_BUILD_TYPE Release)
+set(ITERATIONS 50000) # 20000 for TGC
 
-# Include BSP libwrap
+add_executable(${TARGET} dhry_1.c dhry_2.c dhry_stubs.c)
-include(${BSP_BASE}/libwrap/CMakeLists.txt)
+target_include_directories(${TARGET} PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+target_compile_options(${TARGET} PRIVATE -fno-inline -fno-builtin-printf -fno-common -Wno-implicit -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las)
+target_compile_definitions(${TARGET} PRIVATE ITERATIONS=${ITERATIONS} HZ=32768 TIME NO_INIT)
 
-# Source files
+set(BOARD "iss" CACHE STRING "Target board")
-set(SOURCES
+add_subdirectory(../../bare-metal-bsp bsp)
-    dhry_1.c
+target_link_libraries(${TARGET} PRIVATE bsp)
-    dhry_2.c
+target_link_options(${TARGET} PRIVATE LINKER:--wrap=scanf)
-    dhry_stubs.c
+include(CMakePrintHelpers)
-)
+cmake_print_properties(TARGETS ${TARGET} PROPERTIES COMPILE_DEFINITIONS COMPILE_OPTIONS LINK_OPTIONS INTERFACE_LINK_OPTIONS)
 
-# Create executable
+add_custom_command(TARGET ${TARGET} POST_BUILD
-add_executable(dhrystone ${SOURCES})
+        COMMAND ${CMAKE_OBJDUMP} -S  ${TARGET}.elf > ${TARGET}.dis
-
+        COMMENT "Creating disassembly for ${TARGET}")
-# 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
-)

benchmarks/dhrystone/Makefile

@@ -17,6 +17,7 @@ endif
 # '-lgcc -lm' are needed to add softfloat routines
 CFLAGS  := -g -O3 -DITERATIONS=$(ITERATIONS) -DHZ=32768 -DTIME -DNO_INIT -fno-inline -fno-builtin-printf -fno-common -Wno-implicit \
  -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las
+LDFLAGS := -Wl,--wrap=scanf
 
 TOOL_DIR=$(dir $(compiler))