1 | # |
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2 | # Config file for Motorola MCP750 -- a MPC750 CompactPCI board |
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3 | # |
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4 | # $Id$ |
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5 | # |
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6 | |
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7 | include $(RTEMS_ROOT)/make/custom/default.cfg |
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8 | |
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9 | RTEMS_CPU=powerpc |
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10 | RTEMS_CPU_MODEL=mpc750 |
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11 | RTEMS_PPC_EXCEPTION_PROCESSING_MODEL=new |
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12 | |
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13 | # This is the actual bsp directory used during the build process. |
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14 | RTEMS_BSP_FAMILY=motorola_powerpc |
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15 | |
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16 | # This section makes the target dependent options file. |
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17 | |
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18 | # PPC_VECTOR_FILE_BASE (ppc) |
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19 | # This defines the base address of the exception table. |
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20 | # NOTE: Vectors are actually at 0xFFF00000 but file starts at offset 0x0100 |
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21 | # |
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22 | # PPC_USE_SPRG (RTEMS PowerPC port) |
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23 | # If defined, then the PowerPC specific code in RTEMS will use some |
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24 | # of the special purpose registers to slightly optimize interrupt |
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25 | # response time. The use of these registers can conflict with |
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26 | # other tools like debuggers. |
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27 | # |
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28 | # PPC_USE_DATA_CACHE (RTEMS PowerPC port) |
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29 | # If defined, then the PowerPC specific code in RTEMS will use |
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30 | # data cache instructions to optimize the context switch code. |
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31 | # This code can conflict with debuggers or emulators. |
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32 | # |
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33 | |
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34 | define make-target-options |
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35 | @echo "#define PPCN_60X_USE_DINK 0" >>$@ |
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36 | @echo "#define PPCN_60X_USE_NONE 1" >>$@ |
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37 | @echo "#define PPC_USE_DATA_CACHE 1" >>$@ |
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38 | @echo "#define PPC_VECTOR_FILE_BASE 0x0100" >>$@ |
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39 | @echo "#define PPC_USE_SPRG 1" >>$@ |
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40 | endef |
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41 | |
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42 | # This contains the compiler options necessary to select the CPU model |
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43 | # and (hopefully) optimize for it. |
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44 | # |
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45 | # NOTE : cheking egcc 1.1.1 source code shows that the last know processor |
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46 | # is the 604 model and that this is the default generation option. |
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47 | # |
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48 | CPU_CFLAGS = -mcpu=750 |
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49 | |
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50 | # optimize flag: typically -0, could use -O4 or -fast |
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51 | # -O4 is ok for RTEMS |
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52 | # NOTE2: some level of -O may be actually required by inline assembler (at least |
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53 | # -O2 so far. |
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54 | # NOTE2 Apparently nobody really knows the status or r2 and r13. |
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55 | # As far as I know, small data are pointer impose a very specific compliation |
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56 | # model => not used. |
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57 | # Currently the sdata2 and sbss2 sections are empty => r2 is not used... |
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58 | CFLAGS_OPTIMIZE_V=-O4 -mmultiple -mstring -mstrict-align |
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59 | #CFLAGS_OPTIMIZE_V=-O4 -fno-keep-inline-functions -fvolatile-global -fvolatile -mstrict-align -mcpu=750 |
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60 | |
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61 | # debug flags: typically none, but at least -O1 is required due to this |
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62 | # BSP using inlined code |
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63 | CFLAGS_DEBUG_V = -O1 -mmultiple -mstring -mstrict-align |
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64 | |
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65 | # The following is a ld command file which works without using the |
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66 | # -specs system in gcc 2.8. IT HAS NEVER BEEN TESTED WITH THIS BSP!!! |
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67 | # $(LD) $(XLDFLAGS) -T $(LINKCMDS) \ |
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68 | # -o $@ -u atexit -u __vectors -u download_entry $(LINK_FILES) |
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69 | # $(LD) $(XLDFLAGS) -Ttext 0x20000 \ |
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70 | # -o $@ -u atexit -u __vectors -u download_entry $(LINK_FILES) |
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71 | |
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72 | # $(CC) -mmvme -mrtems -nostartfiles -mcpu=603 \ |
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73 | # -o $(basename $@).exe -L $(PROJECT_RELEASE)/lib \ |
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74 | # $(START_FILE) $(LINK_OBJS) \ |
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75 | # $(LD_LIBS) \ |
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76 | # -Wl,-\( -Wl,-lc -Wl,-lrtemsall -Wl,-lgcc -Wl,-\) |
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77 | define make-exe |
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78 | $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) \ |
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79 | -o $@ $(LINK_OBJS) $(LINK_LIBS) |
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80 | $(NM) -g -n $@ > $(basename $@).num |
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81 | $(SIZE) $@ |
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82 | test -d ${PROJECT_RELEASE}/bin || mkdir ${PROJECT_RELEASE}/bin |
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83 | cp $@ $(PROJECT_ROOT)/c/mcp750/lib/libbsp/powerpc/$(RTEMS_BSP_FAMILY)/bootloader/$(ARCH); \ |
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84 | ( cd $(PROJECT_ROOT)/c/mcp750/lib/libbsp/powerpc/$(RTEMS_BSP_FAMILY)/bootloader; \ |
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85 | $(MAKE) bootloader BINARY_LOADED=$@; ) |
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86 | f=`basename $@ .exe`; \ |
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87 | cp $(PROJECT_ROOT)/c/mcp750/lib/libbsp/powerpc/$(RTEMS_BSP_FAMILY)/bootloader/bootloader \ |
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88 | ${PROJECT_RELEASE}/bin/$${f}$(LIB_VARIANT).exe \ |
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89 | && chmod 755 \ |
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90 | ${PROJECT_RELEASE}/bin/$${f}$(LIB_VARIANT).exe |
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91 | endef |
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92 | |
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93 | # Miscellaneous additions go here |
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