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CMakeLists.txt
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CMakeLists.txt
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########################################################################################################################
# file: CMakeLists.txt
#
# usage:
# Edit "VARIABLES"-section to suit project requirements.
# Build instructions:
# cmake -S ./ -B ./build/ -D CMAKE_BUILD_TYPE=Debug -D CMAKE_TOOLCHAIN_FILE=./riscv-gcc.cmake
# cmake --build ./build/ --target all
#
# Building on Windows:
# cmake -S ./ -B ./build/ -G "Unix Makefiles" -D CMAKE_BUILD_TYPE=Debug -D CMAKE_TOOLCHAIN_FILE=./riscv-gcc.cmake
# cmake --build ./build/ --target all
# Cleaning:
# cmake --build ./build/ --target clean
# Install:
# cmake --build ./build/ --target install
########################################################################################################################
cmake_minimum_required(VERSION 3.10)
project(baremetal-ide LANGUAGES ASM C CXX)
#################################
# Options
#################################
option(BAREMETAL_BUILD_RISCV "Build for RISC-V platform" ON )
option(BAREMETAL_BUILD_X86 "Build for x86 platform" OFF )
option(CHIP "Build for a specific platform" OFF )
#################################
# Toolchain Targets
#################################
set(CMAKE_EXECUTABLE_SUFFIX ".elf")
#################################
# Flags
#################################
# CPU architecture
set(ARCH "rv64imafd")
set(ABI "lp64d")
set(CMODEL "medany")
set(ARCH_FLAGS -march=${ARCH} -mabi=${ABI} -mcmodel=${CMODEL})
# spec
set(SPECS "nosys.specs")
set(SPEC_FLAGS -specs=${SPECS})
# convert CHIP to lowercase
string(TOLOWER ${CHIP} CHIP)
# linker script
# HACK: ideally this should be handled by glossy, but currently i couldn't
# figure out a way to propagate the LINKER_SCRIPT variable to the compile and link commands
if (NOT CHIP)
message(STATUS "Chip not specified, using default configuration")
set(CHIP "default")
set(LINKER_SCRIPT "${CMAKE_SOURCE_DIR}/glossy/glossy.ld")
else()
set(LINKER_SCRIPT "${CMAKE_SOURCE_DIR}/platform/${CHIP}/${CHIP}.ld")
endif()
add_subdirectory(${CMAKE_SOURCE_DIR}/platform/${CHIP})
add_compile_options(-O1)
add_compile_options(-Wall -Wextra)
add_compile_options(-s)
# add_compile_options(-ffunction-sections -fdata-sections -fno-common -fno-builtin-printf -fno-pie)
# add_compile_options(-Wall -Wextra -Warray-bounds -Wno-unused-parameter -Wcast-qual)
add_compile_options(${ARCH_FLAGS})
add_compile_options(${SPEC_FLAGS})
add_link_options(-static)
# add_link_options(-ffunction-sections -fdata-sections -fno-common -fno-builtin-printf -fno-pie)
# add_link_options(-Wall -Wextra -Warray-bounds -Wno-unused-parameter -Wcast-qual)
add_link_options(-nostartfiles)
add_link_options(-nostartfiles)
add_link_options(${ARCH_FLAGS})
add_link_options(${SPEC_FLAGS})
add_link_options(-T ${LINKER_SCRIPT})
#################################
# Build
#################################
add_executable(app
app/src/main.c
)
target_include_directories(app PUBLIC app/include)
#################################
# Dependencies
#################################
add_subdirectory(driver)
add_subdirectory(glossy)
add_subdirectory(lib)
# add_subdirectory(examples)
target_link_libraries(app PRIVATE
-L${CMAKE_BINARY_DIR}/glossy -Wl,--whole-archive glossy -Wl,--no-whole-archive
)
#################################
# Library Installation
#################################
set(CMAKE_INSTALL_PREFIX "$ENV{RISCV}/riscv64-unknown-elf")
set_property(TARGET glossy PROPERTY PUBLIC_HEADER
glossy/include/riscv.h
glossy/include/riscv_encoding.h
glossy/include/riscv_interrupt.h
)
set_property(TARGET glossy PROPERTY RESOURCE
glossy/glossy.ld
glossy/glossy.specs
)
install(TARGETS glossy
LIBRARY DESTINATION "lib"
PUBLIC_HEADER DESTINATION "include"
RESOURCE DESTINATION "lib"
)
install(TARGETS htif
LIBRARY DESTINATION "lib"
PUBLIC_HEADER DESTINATION "include"
RESOURCE DESTINATION "lib"
)