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Add cmake toolchain support for cortex-m7 #610

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Merged
merged 5 commits into from
Oct 10, 2018
Merged

Add cmake toolchain support for cortex-m7 #610

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febf685
Add toolchain support for cortex-m7
Oct 8, 2018
4e54365
Added condition statement
Oct 8, 2018
d74aa01
put BUILD_SHARED_LIBS off back
Oct 8, 2018
81ac89a
fixed syntax error
Oct 8, 2018
c43f835
Removed -march=armv7e-m
Oct 8, 2018
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14 changes: 10 additions & 4 deletions c/cmake/Toolchain-gcc-arm-embedded.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -41,21 +41,26 @@ message(STATUS "Cross-compiling with the gcc-arm-embedded toolchain")
message(STATUS "Toolchain prefix: ${CMAKE_INSTALL_PREFIX}")

set(CMAKE_FIND_ROOT_PATH ${CMAKE_INSTALL_PREFIX})

set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

set(CMAKE_C_FLAGS "-fno-common -ffunction-sections -fdata-sections")

if (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m4")

set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS}"
"-mcpu=cortex-m4 -march=armv7e-m -mthumb"
"-mfloat-abi=hard -mfpu=fpv4-sp-d16"
)

elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m7")

set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS}"
"-mcpu=cortex-m7 -mthumb"
"-mfpu=fpv5-d16 -mfloat-abi=hard"
)

elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m3")

set(CMAKE_C_FLAGS
Expand Down Expand Up @@ -92,5 +97,6 @@ string(REGEX REPLACE ";" " " CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "")

set(BUILD_SHARED_LIBS OFF)
set(BUILD_SHARED_LIBS OFF)