2019-10-09 11:45:38 +00:00
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os:=${shell uname -s}
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OBJDIR?=obj
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BINDIR?=exe
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ifndef COMPILER
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COMPILER=gcc
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endif
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ifeq (${COMPILER}, gcc)
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PREFIX:=${shell type arm-stellaris-eabi-gcc > /dev/null 2>&1 && \
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echo arm-stellaris-eabi || echo arm-none-eabi}
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CC=${PREFIX}-gcc
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ARMGCC_ROOT:=${shell dirname '${shell sh -c "which ${CC}"}'}/..
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CPU=-mcpu=cortex-m4
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#FPU=-mfpu=fpv4-sp-d16 -mfloat-abi=softfp
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AFLAGS=-mthumb \
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${CPU} \
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${FPU} \
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-MD
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CFLAGS=-mthumb \
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${CPU} \
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${FPU} \
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-ffunction-sections \
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-fdata-sections \
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-MD \
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-std=c99 \
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-g \
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-O0 \
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-c
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AR=${PREFIX}-ar
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LD=${PREFIX}-ld
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LDFLAGS=--gc-sections
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# Get the location of libgcc.a from the GCC front-end.
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LIBGCC:=${shell ${CC} -mthumb ${CFLAGS} -print-libgcc-file-name}
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# Get the location of libc.a from the GCC front-end.
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LIBC:=${shell ${CC} ${CFLAGS} -print-file-name=libc.a}
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# Get the location of libm.a from the GCC front-end.
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LIBM:=${shell ${CC} ${CFLAGS} -print-file-name=libm.a}
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OBJCOPY=${PREFIX}-objcopy
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CFLAGS+=${CFLAGSgcc}
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AFLAGS+=${patsubst %,-I%,${subst :, ,${IPATH}}}
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CFLAGS+=${patsubst %,-I%,${subst :, ,${IPATH}}}
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2019-10-10 06:09:18 +00:00
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${OBJDIR}/%.o: src/%.c
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${CC} ${CFLAGS} -D${COMPILER} -o ${@} ${<}
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${OBJDIR}/%.o: common/%.c
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2019-10-09 11:45:38 +00:00
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${CC} ${CFLAGS} -D${COMPILER} -o ${@} ${<}
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${OBJDIR}/%.o: driverlib/%.c
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${CC} ${CFLAGS} -D${COMPILER} -o ${@} ${<}
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${OBJDIR}/%.o: %.S
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${CC} ${AFLAGS} -D${COMPILER} -o ${@} -c ${<}
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${BINDIR}/%.a:
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${AR} -cr ${@} ${^}
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${BINDIR}/%.axf:
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@if [ 'x${SCATTERgcc_${notdir ${@:.axf=}}}' = x ]; \
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then \
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ldname="${ROOT}/gcc/standalone.ld"; \
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else \
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ldname="${SCATTERgcc_${notdir ${@:.axf=}}}"; \
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fi; \
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if [ 'x${VERBOSE}' = x ]; \
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then \
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echo " LD ${@} ${LNK_SCP}"; \
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else \
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echo ${LD} -T $${ldname} \
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--entry ${ENTRY_${notdir ${@:.axf=}}} \
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${LDFLAGSgcc_${notdir ${@:.axf=}}} \
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${LDFLAGS} -o ${@} $(filter %.o %.a, ${^}) \
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'${LIBM}' '${LIBC}' '${LIBGCC}'; \
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fi; \
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${LD} -T $${ldname} \
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--entry ${ENTRY_${notdir ${@:.axf=}}} \
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${LDFLAGSgcc_${notdir ${@:.axf=}}} \
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${LDFLAGS} -o ${@} $(filter %.o %.a, ${^}) \
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'${LIBM}' '${LIBC}' '${LIBGCC}'
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@${OBJCOPY} -O binary ${@} ${@:.axf=.bin}
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endif
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