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spark-core: Add -mno-thumb-interwork.

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Cortex-M processors only support Thumb instructions (no ARM mode code).

Signed-off-by: Joakim Gebart <joakim.gebart@eistec.se>
dev/timer
Joakim Gebart 8 years ago
parent 38fc33717b
commit cd0511726a
1 changed files with 2 additions and 2 deletions
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4
boards/spark-core/Makefile.include
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@ -24,10 +24,10 @@ export RESET = # dfu-util has no support for resetting the device
# define build specific options
export CPU_USAGE = -mcpu=cortex-m3
export FPU_USAGE =
export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mthumb-interwork -nostartfiles
export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mno-thumb-interwork -nostartfiles
export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin
export ASFLAGS += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
export LINKFLAGS += -ggdb -g3 -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mthumb-interwork -nostartfiles
export LINKFLAGS += -ggdb -g3 -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mno-thumb-interwork -nostartfiles
# $(LINKERSCRIPT) is specified in cpu/Makefile.include
export LINKFLAGS += -T$(LINKERSCRIPT)
export OFLAGS = -O ihex

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