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Generic-arm-none-eabi-gcc-cortex-m7: use SP float depending on NuttX config 

Not all m7 boards support double, as for example the STM32F745.
This commit is contained in:
Beat Küng 2019-07-05 14:19:33 +02:00
parent 6e833ed7a8
commit d95aae4619
1 changed files with 8 additions and 1 deletions
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9
platforms/nuttx/cmake/Platform/Generic-arm-none-eabi-gcc-cortex-m7.cmake
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@ -1,5 +1,12 @@
set(cpu_flags "-mcpu=cortex-m7 -mthumb -mfpu=fpv5-d16 -mfloat-abi=hard")
if (CONFIG_ARCH_DPFPU)
message(STATUS "Enabling double FP precision hardware instructions")
set(mfpu_type "fpv5-d16")
else()
set(mfpu_type "fpv5-sp-d16")
endif()
set(cpu_flags "-mcpu=cortex-m7 -mthumb -mfpu=${mfpu_type} -mfloat-abi=hard")
set(CMAKE_C_FLAGS "${cpu_flags}" CACHE STRING "" FORCE)
set(CMAKE_CXX_FLAGS "${cpu_flags}" CACHE STRING "" FORCE)