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ext: hal: cmsis: add define for __PROGRAM_START

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For CMSIS compilation, we define __PROGRAM_START
to avoid compiling the bss/data initialization
routines provided by CMSIS.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
This commit is contained in:
Ioannis Glaropoulos 2019-09-26 14:09:59 +02:00
commit 90a2e1f0aa
1 changed files with 8 additions and 0 deletions
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8
ext/hal/cmsis/CMakeLists.txt
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@ -1,3 +1,11 @@
if(CONFIG_HAS_CMSIS)
zephyr_include_directories(Include)
endif()
# As of CMSIS v5.6.0, __PROGRAM_START is to indicate whether the
# ARM vendor or the OS supplies data/bss init routine, otherwise
# the default data/bss init routine for the selected toolchain is
# added. We set the macro in build-time to guarantee compatibility
# with all existing ARM platforms.
zephyr_compile_definitions(__PROGRAM_START)