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esp-idf/components/ulp/cmake/toolchain-ulp-riscv.cmake

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CMake
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ulp: added support to building code for riscv ULP coprocessor
2020-04-17 19:34:56 +00:00
# CMake toolchain file for ULP-RISC-V
set(CMAKE_SYSTEM_NAME Generic)
tools: use riscv32-esp-elf toolchain for ESP32-S2 RISC-V ULP riscv32-esp-elf toolchain (used for ESP32-C3) can also be used for ESP32-S2 RISC-V ULP coprocessor. This removes the riscv-none-embed-gcc toolchain which was originally used for the ULP, and updates the docs and CMake files to use riscv32-esp-elf. Some flags are cleaned up and workarounds removed from CMake toolchain file.
2020-12-15 17:24:07 +00:00
set(CMAKE_C_COMPILER "riscv32-esp-elf-gcc")
set(CMAKE_CXX_COMPILER "riscv32-esp-elf-g++")
set(CMAKE_ASM_COMPILER "riscv32-esp-elf-gcc")
tools: add riscv zicsr/zifencei because they were separated from i https://groups.google.com/a/groups.riscv.org/g/sw-dev/c/aE1ZeHHCYf4
2023-02-06 04:59:02 +00:00
set(CMAKE_C_FLAGS "-Os -march=rv32imc_zicsr_zifencei -mdiv -fdata-sections -ffunction-sections"
tools: use riscv32-esp-elf toolchain for ESP32-S2 RISC-V ULP riscv32-esp-elf toolchain (used for ESP32-C3) can also be used for ESP32-S2 RISC-V ULP coprocessor. This removes the riscv-none-embed-gcc toolchain which was originally used for the ULP, and updates the docs and CMake files to use riscv32-esp-elf. Some flags are cleaned up and workarounds removed from CMake toolchain file.
2020-12-15 17:24:07 +00:00
CACHE STRING "C Compiler Base Flags")
tools: add riscv zicsr/zifencei because they were separated from i https://groups.google.com/a/groups.riscv.org/g/sw-dev/c/aE1ZeHHCYf4
2023-02-06 04:59:02 +00:00
set(CMAKE_CXX_FLAGS "-Os -march=rv32imc_zicsr_zifencei -mdiv -fdata-sections -ffunction-sections"
tools: use riscv32-esp-elf toolchain for ESP32-S2 RISC-V ULP riscv32-esp-elf toolchain (used for ESP32-C3) can also be used for ESP32-S2 RISC-V ULP coprocessor. This removes the riscv-none-embed-gcc toolchain which was originally used for the ULP, and updates the docs and CMake files to use riscv32-esp-elf. Some flags are cleaned up and workarounds removed from CMake toolchain file.
2020-12-15 17:24:07 +00:00
CACHE STRING "C++ Compiler Base Flags")
set(CMAKE_ASM_FLAGS "-march=rv32imc -x assembler-with-cpp"
CACHE STRING "Assembler Base Flags")
tools: add riscv zicsr/zifencei because they were separated from i https://groups.google.com/a/groups.riscv.org/g/sw-dev/c/aE1ZeHHCYf4
2023-02-06 04:59:02 +00:00
set(CMAKE_EXE_LINKER_FLAGS "-march=rv32imc_zicsr_zifencei --specs=nano.specs --specs=nosys.specs"
tools: use riscv32-esp-elf toolchain for ESP32-S2 RISC-V ULP riscv32-esp-elf toolchain (used for ESP32-C3) can also be used for ESP32-S2 RISC-V ULP coprocessor. This removes the riscv-none-embed-gcc toolchain which was originally used for the ULP, and updates the docs and CMake files to use riscv32-esp-elf. Some flags are cleaned up and workarounds removed from CMake toolchain file.
2020-12-15 17:24:07 +00:00
CACHE STRING "Linker Base Flags")