2f85326fec
* examples/NonArduino/Tock: Support building for RISC-V Signed-off-by: Alistair Francis <alistair@alistair23.me> * examples/NonArduino/Tock: Update to newer libtock-c Signed-off-by: Alistair Francis <alistair@alistair23.me> --------- Signed-off-by: Alistair Francis <alistair@alistair23.me>
65 lines
3.7 KiB
CMake
65 lines
3.7 KiB
CMake
# Tock target specific CMake file
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#
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# Licensed under the MIT License
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#
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# Copyright (c) 2023 Alistair Francis <alistair@alistair23.me>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# This is copied from https://github.com/Lora-net/LoRaMac-node/pull/1390
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# and has been relicensed by the original author
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if(NOT DEFINED LINKER_SCRIPT)
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message(FATAL_ERROR "No linker script defined")
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endif(NOT DEFINED LINKER_SCRIPT)
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message("Linker script: ${LINKER_SCRIPT}")
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#---------------------------------------------------------------------------------------
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# Set compiler/linker flags
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#---------------------------------------------------------------------------------------
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set(STACK_SIZE 4096)
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set(APP_HEAP_SIZE 2048)
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set(KERNEL_HEAP_SIZE 2048)
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set(TOOLCHAIN arm-none-eabi)
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find_program(TOOLCHAIN_PREFIX ${TOOLCHAIN}-gcc NO_CACHE)
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get_filename_component(TOOLCHAIN_PREFIX ${TOOLCHAIN_PREFIX} DIRECTORY)
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set(TOOLCHAIN_BIN_DIR ${TOOLCHAIN_PREFIX}/../bin)
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set(TOOLCHAIN_INC_DIR ${TOOLCHAIN_PREFIX}/../${TOOLCHAIN}/include)
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set(TOOLCHAIN_LIB_DIR ${TOOLCHAIN_PREFIX}/../${TOOLCHAIN}/lib)
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#---------------------------------------------------------------------------------------
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# Set compilers
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#---------------------------------------------------------------------------------------
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set(CMAKE_C_COMPILER ${TOOLCHAIN_BIN_DIR}/${TOOLCHAIN}-gcc CACHE INTERNAL "C Compiler")
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_BIN_DIR}/${TOOLCHAIN}-g++ CACHE INTERNAL "C++ Compiler")
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set(CMAKE_ASM_COMPILER ${TOOLCHAIN_BIN_DIR}/${TOOLCHAIN}-gcc CACHE INTERNAL "ASM Compiler")
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# Object build options
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set(OBJECT_GEN_FLAGS "-mthumb -g2 -fno-builtin -mcpu=cortex-m4 -Wall -Wextra -pedantic -Wno-unused-parameter -ffunction-sections -fdata-sections -fomit-frame-pointer -mabi=aapcs -fno-unroll-loops -ffast-math -ftree-vectorize -frecord-gcc-switches -gdwarf-2 -Os -fdata-sections -ffunction-sections -fstack-usage -Wl,--emit-relocs -fPIC -mthumb -mfloat-abi=soft -msingle-pic-base -mpic-register=r9 -mno-pic-data-is-text-relative -D__TOCK__ -DSVCALL_AS_NORMAL_FUNCTION -DSOFTDEVICE_s130")
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set(CMAKE_C_FLAGS "${OBJECT_GEN_FLAGS} -std=gnu99 " CACHE INTERNAL "C Compiler options")
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set(CMAKE_CXX_FLAGS "${OBJECT_GEN_FLAGS} -std=c++20 " CACHE INTERNAL "C++ Compiler options")
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set(CMAKE_ASM_FLAGS "${OBJECT_GEN_FLAGS} -x assembler-with-cpp " CACHE INTERNAL "ASM Compiler options")
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# Linker flags
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set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections --specs=nano.specs --specs=nosys.specs -mthumb -g2 -mcpu=cortex-m4 -mabi=aapcs -T${LINKER_SCRIPT} -Wl,-Map=${CMAKE_PROJECT_NAME}.map -Xlinker --defsym=STACK_SIZE=${STACK_SIZE} -Xlinker --defsym=APP_HEAP_SIZE=${APP_HEAP_SIZE} -Xlinker --defsym=KERNEL_HEAP_SIZE=${KERNEL_HEAP_SIZE} -nostdlib -Wl,--start-group" CACHE INTERNAL "Linker options")
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