1 | # |
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2 | # Config file for the mvme167 BSP |
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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 | # THIS BSP USES ELF IMAGES. IT WILL NOT WORK WITH COFF UNLESS CHANGES |
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8 | # ARE MADE TO THE LINKCMDS FILE. |
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9 | |
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10 | RTEMS_CPU=m68k |
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11 | RTEMS_CPU_MODEL=m68040 |
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12 | |
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13 | include $(RTEMS_ROOT)/make/custom/default.cfg |
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14 | |
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15 | # This is the actual bsp directory used during the build process. |
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16 | RTEMS_BSP_FAMILY=mvme167 |
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17 | |
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18 | # |
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19 | # This contains the compiler options necessary to select the CPU model |
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20 | # and (hopefully) optimize for it. We also specify the BSP during compilation. |
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21 | # This should really get its own flag, but it works here. |
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22 | # |
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23 | |
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24 | CPU_CFLAGS = -m68040 -DRTEMS_BSP=$(RTEMS_BSP) |
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25 | |
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26 | # BSP specific preprocessor flags. |
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27 | # These should only be used in BSP dependent directories. |
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28 | BSP_CPPFLAGS += -DCD2401_INT_LEVEL=1 -DCD2401_POLLED_IO=1 |
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29 | |
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30 | CFLAGS_DEBUG_V += -ggdb |
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31 | |
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32 | # optimize flag: typically -O, could use -O4 or -fast |
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33 | # -O4 is ok for RTEMS |
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34 | CFLAGS_OPTIMIZE_V=-O4 -fomit-frame-pointer |
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35 | |
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36 | # This section makes the target dependent options file. |
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37 | # NDEBUG (C library) |
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38 | # if defined asserts do not generate code. This is commonly used |
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39 | # as a command line option. |
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40 | # |
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41 | # RTEMS_TEST_NO_PAUSE (RTEMS tests) |
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42 | # do not pause between screens of output in the rtems tests |
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43 | # |
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44 | # RTEMS_DEBUG (RTEMS) |
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45 | # If defined, debug checks in RTEMS and support library code are enabled. |
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46 | # |
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47 | # CD2401_INT_LEVEL |
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48 | # Interrupt level for the CD2401. |
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49 | # |
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50 | # CD2401_POLLED_IO |
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51 | # 0 for interrupt-driven, 1 for polled I/O. |
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52 | |
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53 | define make-target-options |
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54 | @echo "/* #define NDEBUG 1 */ " >>$@ |
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55 | @echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@ |
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56 | @echo "/* #define RTEMS_DEBUG 1 */" >>$@ |
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57 | # @echo "#define CD2401_INT_LEVEL 1" >>$@ |
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58 | # @echo "#define CD2401_POLLED_IO 1" >>$@ |
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59 | |
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60 | |
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61 | endef |
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62 | |
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63 | # Here is the rule to actually build a $(ARCH)/foo.exe |
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64 | # It also builds $(ARCH)/foo.nm |
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65 | # Usage ref: src/tests/sptest/sp1/Makefile |
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66 | # |
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67 | # We use TFTP to transfer files to the MVME167. We generate binary files |
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68 | # rather than S-records. We skip the header during downloads. |
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69 | |
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70 | # The following are definitions of make-exe which will work using ld as |
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71 | # is currently required. It is expected that as of gcc 2.8, the end user |
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72 | # will be able to override parts of the compilers specs and link using gcc. |
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73 | |
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74 | ifeq ($(RTEMS_USE_GCC272),yes) |
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75 | |
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76 | # The MC68040 does not implement all MC68881/MC68882 instructions, so use |
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77 | # either the gcc floating-point software support (msoft-float libraries), or |
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78 | # use the Motorola FPSP floating-point emulator in |
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79 | # rtems/c/src/lib/libcpu/m68k/m68040/fpsp |
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80 | # The default is to use the FPSP. |
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81 | # To use the msoft-float libraries, uncomment the three lines below. |
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82 | # You then should comment the M68KFPSPInstallExceptionHandlers() statement |
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83 | # in rtems/c/src/lib/libbsp/m68k/mvme167/startup/bststart.c in bsp_start(). |
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84 | # Floating-point support will then be limited. See the mvme167 README file |
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85 | # for more details. |
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86 | |
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87 | # LIBC_LIBC = $(RTEMS_LIBC_DIR)/lib/msoft-float/libc.a |
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88 | # LIBC_LIBM = $(RTEMS_LIBC_DIR)/lib/msoft-float/libm.a |
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89 | # LIBGCC = $(shell $(CC) -msoft-float -print-libgcc-file-name) |
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90 | |
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91 | define make-exe |
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92 | $(LD) $(LDFLAGS) -N -T $(LINKCMDS) -o $(basename $@).exe \ |
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93 | $(START_FILE) $(LINK_OBJS) --start-group $(LINK_LIBS) --end-group |
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94 | $(NM) -g -n $(basename $@).exe > $(basename $@).nm |
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95 | $(STRIP) -o $(basename $@) $@ |
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96 | $(SIZE) $(basename $@).exe |
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97 | endef |
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98 | else |
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99 | define make-exe |
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100 | $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -o $@ \ |
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101 | $(LINK_OBJS) $(LINK_LIBS) |
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102 | $(NM) -g -n $(basename $@).exe > $(basename $@).nm |
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103 | $(STRIP) -o $(basename $@) $@ |
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104 | $(SIZE) $(basename $@).exe |
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105 | endef |
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106 | endif |
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107 | |
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108 | # Miscellaneous additions go here |
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