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#                                                                       #

#           Template Makefile for Assembly Language Programs            #

#                                                                       #

#########################################################################

# Author:   John Zaitseff , Modified by

#           Andrew Greenberg (andrew@uad.com)

# Date:     18th August, 2003

# Version:  1.0

# Please note that every line that is indented (or, in the language of

# Makefiles, the command part of the rules) is done so with TAB

# characters, NOT with spaces.  This is important and a subtle trap for

# the unwary!

ALL = gps4020_download

all: $(ALL)

GPS4020_DOWNLOAD_FILES = gps4020_start.o gps4020_download.o tty.o

gps4020_download: $(GPS4020_DOWNLOAD_FILES)

        $(CC) $(LDFLAGS) -Tarm.ld -o $@ $(GPS4020_DOWNLOAD_FILES)

        $(OC) $(OCFLAGS) $@ $@.bin

        $(SIZE) $@

clean:

        rm -f $(ALL) *.o *~

# The following variables and implicit rules are required for the GNU

# Assembler for ARM.  You probably do not need to modify anything here.

AS        = arm-elf-as

SIZE      = arm-elf-size

LD        = arm-elf-ld

CC        = arm-elf-gcc

OC        = arm-elf-objcopy

# ADG: we don't need debugging info: removed "ASFLAGS   = --gdwarf2"

ASFLAGS   =

LDFLAGS   = -nostdlib -Wl,-static -Wl,-Map,$@.map

OCFLAGS   = --output-target binary

LOADLIBES =

LDLIBS    =

CFLAGS    = -O2 -msoft-float

.SUFFIXES:

# Assemble ARM assembly language source (.s) to an object file (.o) using as.

# eg: "arm-elf-as -marm7tdmi gps4020_download.s -o gps4020_download.o"

%.o: %.s

        $(AS) -marm7tdmi $(ASFLAGS) $< -o $@

%.o: %.S

        $(CC) -c -marm7tdmi $(ASFLAGS) $< -o $@

# Link object file (.0) into an ARM executable (.elf), using ld.

# eg: "arm-elf-ld -o gps4020_download.o gps4020_download.elf"

%.elf: %.o

        $(LD) $(LDFLAGS) $< $(LOADLIBES) $(LDLIBS) -o $@

# "Copy" ELF file (.elf) into a binary file for execution using objcopy.

# eg: "arm-elf-objcopy --output-target binary gps4020_download.elf gps4020_download.bin"

%.bin: %.elf

        $(OC) $(OCFLAGS) $< $@

# Compile "C" code

%.o: %.c

        $(CC) $(CFLAGS) -c -o $@ $<

# Miscellaneous rules

.PHONY: all clean

.DEFAULT:

.SUFFIXES: