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libhermit/cmake/HermitCore-Toolchain-aarch64.cmake
Stefan Lankes 34e7895d0a
aarch64 support (#84)
- add initial support for aarch64
- SMP support is currently missing
- uhyve and kernel are tested on Libre AML-S905X-CC (https://libre.computer/products/boards/aml-s905x-cc/)
- only GICv2 support is integrated
2018-03-23 04:04:44 -04:00

33 lines
1.2 KiB
CMake

include(${CMAKE_CURRENT_LIST_DIR}/HermitCore-Utils.cmake)
include_guard()
# let user provide a different path to the toolchain
set_default(TOOLCHAIN_BIN_DIR /opt/hermit/bin)
set(TARGET_ARCH aarch64-hermit)
set(HERMIT_KERNEL_FLAGS
-Wall -O2 -mgeneral-regs-only
-fno-var-tracking-assignments -fstrength-reduce
-fomit-frame-pointer -finline-functions -ffreestanding
-nostdinc -fno-stack-protector
-fno-delete-null-pointer-checks
-falign-jumps=1 -falign-loops=1
-fno-common -Wframe-larger-than=1024
-fno-strict-aliasing -fno-asynchronous-unwind-tables
-fno-strict-overflow)
set(HERMIT_APP_FLAGS
-O3 -ftree-vectorize)
set(CMAKE_SYSTEM_NAME Generic)
# point CMake to our toolchain
set(CMAKE_C_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_ARCH}-gcc)
set(CMAKE_CXX_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_ARCH}-g++)
set(CMAKE_Fortran_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_ARCH}-gfortran)
set(CMAKE_Go_COMPILER ${TOOLCHAIN_BIN_DIR}/${TARGET_ARCH}-gccgo)
# hinting the prefix and location is needed in order to correctly detect
# binutils
set(_CMAKE_TOOLCHAIN_PREFIX "${TARGET_ARCH}-")
set(_CMAKE_TOOLCHAIN_LOCATION ${TOOLCHAIN_BIN_DIR})