1 | NAME= hello_world_flash
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2 |
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3 | # Abkürzungen, die anstatt der hinteren Befehle genommen werden
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4 | CC = arm-elf-gcc #GNU-Compiler
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5 | LD = arm-elf-ld -v #GNU-Linker
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6 | AR = arm-elf-ar #
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7 | AS = arm-elf-as #GNU-Assembler
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8 | CP = arm-elf-objcopy #GNU Object utility Binary File erzeugen
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9 | OD = arm-elf-objdump #
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10 |
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11 | # Optionen mit denen der Compiler, Linker, assembler gestartet werden
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12 | # arm-elf-...
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13 | #-O3 Codeoptimierung
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14 | CFLAGS = -I./ -c -fno-common -O0 -g
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15 | AFLAGS = -ahls -mapcs-32 -o crt.o
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16 | LFLAGS = -Map main.map -T hello_world_linker_flash.cmd
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17 | CPFLAGS = --output-target=binary
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18 | ODFLAGS = -x --syms
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19 |
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20 | #Objekte, Libraries
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21 | #Reihenfolge beachten, den in dieser wird in den Speicher geschrieben.
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22 |
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23 | OBJECTS = crt.o main.o system.o
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24 |
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25 |
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26 | # alle mit make erzeugten Files löschen (Project -> Clean)
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27 | clean:
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28 | @ echo ---------------------------------------
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29 | @ echo Vorher erzeugte Dateien werden gelöscht
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30 | @ echo ---------------------------------------
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31 | #das Minuszeichen vor rm unterdrückt Fehlermeldungen
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32 | -rm $(OBJECTS) main.lst system.lst \
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33 | main.out main.bin main.hex \
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34 | main.map main.dmp crt.lst
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35 | @ echo ---------------------------------------
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36 | @ echo Vorher erzeugte Dateien wurden gelöscht
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37 | @ echo ---------------------------------------
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38 |
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39 | # Zieldateien erzeugen, verlinken (Project -> Build Project)
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40 | all: main.out
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41 | @ echo "...copying" #erscheint in der Konsole
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42 | $(CP) $(CPFLAGS) main.out main.bin
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43 | $(OD) $(ODFLAGS) main.out >main.dmp
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44 |
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45 | # Libraries einbinden
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46 | main.out: $(OBJECTS) hello_world_linker_flash.cmd
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47 |
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48 | @ echo ---------------------------------------
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49 | @ echo *.o werden verlinkt
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50 | @ echo ---------------------------------------
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51 |
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52 | $(LD) $(LFLAGS) -o main.out $(OBJECTS) libc.a libm.a libgcc.a
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53 |
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54 | @ echo ---------------------------------------
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55 | @ echo *.o wurden verlinkt
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56 | @ echo ---------------------------------------
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57 |
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58 |
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59 | crt.o: crt.s
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60 | @ echo ".assembling"
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61 | $(AS) $(AFLAGS) crt.s > crt.lst
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62 |
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63 | # Programmteile compilieren
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64 | @ echo ---------------------------------------
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65 | @ echo *.c werden compiliert
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66 | @ echo ---------------------------------------
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67 | main.o: main.c
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68 | @ echo ".compiling"
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69 | $(CC) $(CFLAGS) main.c
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70 |
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71 | system.o: system.c
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72 | @ echo ".compiling"
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73 | $(CC) $(CFLAGS) system.c
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74 | @ echo ---------------------------------------
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75 | @ echo *.c wurden compiliert
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76 | @ echo ---------------------------------------
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77 |
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78 | # **********************************************************************************************
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79 | # FLASH PROGRAMMING
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80 | #
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81 | # Alternate make target for flash programming only
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82 | #
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83 | # You must create a special Eclipse make target (program) to run this part of the makefile
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84 | # (Project -> Create Make Target... then set the Target Name and Make Target to "program")
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85 | #
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86 | # OpenOCD is run in "batch" mode with a special configuration file and a script file containing
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87 | # the flash commands. When flash programming completes, OpenOCD terminates.
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88 | #
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89 | # Note that the script file of flash commands (script.ocd) is part of the project
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90 | #
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91 | # Programmers: Martin Thomas, Joseph M Dupre, James P Lynch
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92 | # **********************************************************************************************
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93 |
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94 | # specify output filename here (must be *.bin file)
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95 | TARGET = main.bin
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96 |
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97 | # specify the directory where openocd executable and configuration files reside (note: use forward slashes /)
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98 | OPENOCD_DIR = 'd:/Programme/openocd-2007re204/bin/'
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99 |
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100 | # specify OpenOCD executable (pp is for the wiggler, ftd2xx is for the USB debuggers)
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101 | #OPENOCD = $(OPENOCD_DIR)openocd-pp.exe
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102 | OPENOCD = $(OPENOCD_DIR)openocd-ftd2xx.exe
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103 |
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104 | # specify OpenOCD configuration file (pick the one for your device)
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105 | #OPENOCD_CFG = $(OPENOCD_DIR)at91sam7s256-wiggler-flash-program.cfg
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106 | #OPENOCD_CFG = $(OPENOCD_DIR)at91sam7s256-jtagkey-flash-program.cfg
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107 | #OPENOCD_CFG = $(OPENOCD_DIR)at91sam7s256-armusbocd-flash-program.cfg
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108 | OPENOCD_CFG = $(OPENOCD_DIR)at91sam7s64-armusbocd.cfg
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109 |
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110 | # program the AT91SAM7S256 internal flash memory
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111 | program: $(TARGET)
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112 | @echo "Flash Programming with OpenOCD..." # display a message on the console
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113 | $(OPENOCD) -f $(OPENOCD_CFG) # program the onchip FLASH here
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114 | @echo "Flash Programming Finished." # display a message on the console
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