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annotate Makefile.avr @ 51:cb184206344d

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Rejig command parsing and assume the compiler isn't dumb (eg it can reuse stack variables).
author darius@Inchoate
date Wed, 29 Oct 2008 16:09:55 +1030
parents 2b8278ec5adb
children
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a9d493261c6c - Add $Id$
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1 #
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2 # $Id$
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3 #
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4
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5 .SUFFIXES: .hex .out .c .o .elf .dmp .s
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6
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7 # Otherwise we get -march=foo
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8 NO_CPU_CFLAGS=
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9 _CPUCFLAGS=
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10
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11 # Programs
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12 AS=avr-as
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13 CC=avr-gcc
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14 OBJCOPY=avr-objcopy
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15 OBJDUMP=avr-objdump
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16
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17 CPPFLAGS+=-Wa,-adhlmsn=${<:S/.c/.lst/}
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108a703c39e6 Covert to a later version of avr-libc. Stuff like not using inb/outb,
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19 MCU?=at90s8515
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20 CFLAGS+=-mmcu=${MCU}
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21
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22 LDFLAGS+=-Wl,-Map=${PROG}.map,--cref
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23 LDFLAGS+=${LDADD}
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24
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25 RM=rm -f
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26
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27 PROGRAMMER=avrdude
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28 PROGOPTS?=-p ${PART} -c alf -E vcc,noreset -q
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29
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30 .if !defined(SRCS)
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31 SRCS= ${PROG}.c
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32 .endif
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33
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34 OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
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35
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36 all: ${PROG}.hex ${PROG}.dmp
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37
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38 .c.o:
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39 ${CC} ${CFLAGS} ${CPPFLAGS} -c ${.IMPSRC} -o ${.PREFIX}.o
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40
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41 ${PROG}.elf: ${OBJS}
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42 ${CC} ${CFLAGS} ${LDFLAGS} -g ${OBJS} -o ${PROG}.elf ${LDADD}
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43
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44 .elf.hex:
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59c7fcf10ea0 Copy the correct segments into the flash image otherwise pre-declared
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45 ${OBJCOPY} -j .text -j .data -j .bss -j .noinit -O ihex $> $@
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46
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47 .elf.dmp:
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48 ${OBJDUMP} -S ${.IMPSRC} > ${.PREFIX}.dmp
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49
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50 clean:
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0da70b744078 Clean the right files.
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51 ${RM} ${PROG}.hex ${PROG}.out ${PROG}.elf ${PROG}.map ${OBJS} ${OBJS:S/.o/.lst/} ${PROG}.dmp
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52
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53 prog: all
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54 ${PROGRAMMER} -U flash:w:${PROG}.hex ${PROGOPTS}
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