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arch: arm: set the architecture via Kconfig

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Currently the build system has hardcoded values for the -march/-mcpu
which identify what architecture should be used when compiling ARM code.
For processors such as the STM32 this will need to be defined by a per
SOC process.

Change-Id: Ia8158cd687d8d0432ea420e204bb2bc67d33a054
Signed-off-by: Dan Kalowsky <daniel.kalowsky@intel.com>
This commit is contained in:
Dan Kalowsky 2016-03-03 16:25:40 -08:00 • committed by Gerrit Code Review
commit 3f6884902b
4 changed files with 9 additions and 7 deletions
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3
arch/arm/soc/atmel_sam3/Makefile
View file

@ -1,6 +1,5 @@
arch-cflags += $(call cc-option,-mthumb -mcpu=cortex-m3) \
$(call cc-option,-mthumb -march=armv7-m)
arch-cflags += $(call cc-option,-mthumb -march=armv7-m)
KBUILD_AFLAGS += $(arch-cflags)
KBUILD_CXXFLAGS += $(arch-cflags)

4
arch/arm/soc/fsl_frdm_k64f/Makefile
View file

@ -1,7 +1,5 @@
arch-cflags = $(call cc-option,-mthumb -mcpu=cortex-m4) \
$(call cc-option,-mthumb -march=armv7e-m)
arch-cflags = $(call cc-option,-mthumb -march=armv7e-m)
KBUILD_CFLAGS += $(arch-cflags)
KBUILD_CXXFLAGS += $(arch-cflags)

3
arch/arm/soc/ti_lm3s6965/Makefile
View file

@ -1,6 +1,5 @@
arch-cflags = $(call cc-option,-mthumb -mcpu=cortex-m3) \
$(call cc-option,-mthumb -march=armv7-m)
arch-cflags = $(call cc-option,-mthumb -march=armv7-m)
KBUILD_CFLAGS += $(arch-cflags)
KBUILD_CXXFLAGS += $(arch-cflags)