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annotate gcc/makefile-body @ 8:727914266f28

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gcc: adapted from Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 03:13:51 +0000
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727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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1 CC= arm-elf-gcc
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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2 LD= arm-elf-ld
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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3 OBJCOPY=arm-elf-objcopy
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Mychaela Falconia <falcon@freecalypso.org>
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4
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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5 CFLAGS= -mthumb-interwork
727914266f28 gcc: adapted from Selenite
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6
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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7 LIBC_A= `${CC} -print-file-name=libc.a -mthumb-interwork`
727914266f28 gcc: adapted from Selenite
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8 LIBGCC_A= `${CC} -print-file-name=libgcc.a -mthumb-interwork`
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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9 LIBM_T= `${CC} -print-file-name=libm.a -mthumb-interwork -mthumb`
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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10
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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11 all: ramimage.srec
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12
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13 ${SUBDIR}: FRC
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14 cd $@; ${MAKE} ${MFLAGS}
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15
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16 ${LIBS}: ${SUBDIR}
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Mychaela Falconia <falcon@freecalypso.org>
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17 @true
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18
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Mychaela Falconia <falcon@freecalypso.org>
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19 bootentry.o: ../src/cs/system/main/gcc/bootentry.S
727914266f28 gcc: adapted from Selenite
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20 ${CC} -c -o $@ ${CFLAGS} -DXRAM -Iconfig -I../src/nucleus/gcc $<
727914266f28 gcc: adapted from Selenite
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21
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Mychaela Falconia <falcon@freecalypso.org>
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22 ramvecs.o: ../src/cs/system/main/gcc/ramvecs.S
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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23 ${CC} -c ${CFLAGS} $<
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24
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25 ramimage.ld: ../gcc/xram.m4 ../gcc/memlimits.m4 ../gcc/ld-script.src
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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26 m4 $^ > $@
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27
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28 ramimage.elf: ${LIBS} bootentry.o ramvecs.o ramimage.ld
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29 ${LD} -N -T ramimage.ld -o $@ -Map ramimage.map bootentry.o ramvecs.o \
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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30 --start-group ${LIBS} --end-group \
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31 ${LIBM_T} ${LIBC_A} ${LIBGCC_A}
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32
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33 ramimage.srec: ramimage.elf
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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34 ${OBJCOPY} -O srec --srec-forceS3 --srec-len=30 $< $@
727914266f28 gcc: adapted from Selenite
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35
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Mychaela Falconia <falcon@freecalypso.org>
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36 clean: FRC
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Mychaela Falconia <falcon@freecalypso.org>
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37 rm -f fwimage.* ramimage.* bootentry*.o ramvecs.o
727914266f28 gcc: adapted from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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38 rm -f build_date.* flash-script
727914266f28 gcc: adapted from Selenite
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39 for i in ${SUBDIR}; do (cd $$i; ${MAKE} ${MFLAGS} clean); done
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40
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41 FRC: