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CMakeLists.txt
48 lines (37 loc) · 1.61 KB
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.10)
# set the project name
project(baremetal_vector_int C)
# specify the C standard
set(CMAKE_C_FLAGS "\
-march=${CMAKE_SYSTEM_PROCESSOR} \
-std=c99 \
-Os \
-g \
-Wall \
-ffunction-sections \
")
set ( STACK_SIZE 0xf00 )
set ( TARGET main )
# add the executable
add_executable(${TARGET}.elf ${TARGET}.c startup.c timer.c vector_table.c)
SET(LINKER_SCRIPT "${CMAKE_CURRENT_SOURCE_DIR}/linker.lds")
set_target_properties(${TARGET}.elf PROPERTIES LINK_DEPENDS "${LINKER_SCRIPT}")
target_include_directories(${TARGET}.elf PRIVATE ../include/ )
# Linker control
SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -nostartfiles -Xlinker --defsym=__stack_size=${STACK_SIZE} -T ${LINKER_SCRIPT} -Wl,-Map=${TARGET}.map")
# Post processing command to create a disassembly file
add_custom_command(TARGET ${TARGET}.elf POST_BUILD
COMMAND ${CMAKE_OBJDUMP} -S ${TARGET}.elf > ${TARGET}.disasm
COMMENT "Invoking: Disassemble")
# Post processing command to create a hex file
add_custom_command(TARGET ${TARGET}.elf POST_BUILD
COMMAND ${CMAKE_OBJCOPY} -O ihex ${TARGET}.elf ${TARGET}.hex
COMMENT "Invoking: Hexdump")
# Pre-processing command to create disassembly for each source file
foreach (SRC_MODULE main vector_table )
add_custom_command(TARGET ${TARGET}.elf
PRE_LINK
COMMAND ${CMAKE_OBJDUMP} -S CMakeFiles/${TARGET}.elf.dir/${SRC_MODULE}.c.obj > ${SRC_MODULE}.s
COMMENT "Invoking: Disassemble ( CMakeFiles/${TARGET}.elf.dir/${SRC_MODULE}.c.obj)")
endforeach()
SET(DCMAKE_EXPORT_COMPILE_COMMANDS ON)