1 | # |
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2 | # Config file for the PC 386 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 | include $(RTEMS_ROOT)/make/custom/default.cfg |
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8 | |
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9 | RTEMS_CPU=i386 |
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10 | ifeq ($(RTEMS_CPU_MODEL),) |
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11 | RTEMS_CPU_MODEL=i386_fp |
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12 | endif |
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13 | |
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14 | # This is the actual bsp directory used during the build process. |
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15 | RTEMS_BSP_FAMILY=pc386 |
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16 | |
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17 | # This contains the compiler options necessary to select the CPU model |
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18 | # and (hopefully) optimize for it. |
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19 | # |
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20 | # NOTE: CPU_CFLAGS is set by pc386 variants. |
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21 | # CPU_CFLAGS = |
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22 | |
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23 | # optimize flag: typically -0, could use -O4 or -fast |
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24 | # -O4 is ok for RTEMS |
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25 | # -fomit-frame-pointer breaks debugging and C++ exceptions |
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26 | CFLAGS_OPTIMIZE_V=-O4 |
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27 | |
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28 | # Here is the rule to actually build a $(ARCH)/foo.exe |
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29 | # It also builds $(ARCH)/foo.sr and $(ARCH)/foo.nm |
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30 | # Usage ref: src/tests/sptest/sp1/Makefile |
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31 | |
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32 | #+--------------------------------------------------------------------------+ |
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33 | #| Set the value of RELOCADDR to the address where you want your image to |
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34 | #| load. If you'll be using GRUB to load the images it will have to be >= |
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35 | #| 0x100000 (1024K). If you are using NetBoot to load the images it can be |
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36 | #| >= 0x10000 (64K) AND <= 0x97C00 (607K) OR >= 0x100000 (1024K). The memory |
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37 | #| top is of course another limit. Make sure there is enough space before the |
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38 | #| upper memory limits for the image and the memory allocated by it to fit. |
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39 | #| Make sure the value you choose is aligned to 4 bytes. |
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40 | #+--------------------------------------------------------------------------+ |
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41 | RELOCADDR=0x00100000 |
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42 | |
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43 | START16FILE=$(PROJECT_RELEASE)/lib/start16$(LIB_VARIANT).bin |
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44 | START16ADDR=0x00097C00 |
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45 | HEADERADDR=0x00097E00 |
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46 | |
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47 | # The following are definitions of make-exe which will work using ld as |
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48 | # is currently required. It is expected that as of gcc 2.8, the end user |
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49 | # will be able to override parts of the compilers specs and link using gcc. |
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50 | |
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51 | ifeq ($(RTEMS_USE_GCC272),yes) |
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52 | define make-exe |
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53 | $(LD) -N -T $(LINKCMDS) -Ttext $(RELOCADDR) -e start -nostdlib \ |
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54 | -o $(basename $@).obj \ |
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55 | $(START_FILE) $(LINK_OBJS) --start-group $(LINK_LIBS) --end-group |
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56 | $(OBJCOPY) -O a.out-i386 \ |
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57 | --remove-section=.rodata \ |
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58 | --remove-section=.comment \ |
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59 | --remove-section=.note \ |
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60 | --strip-unneeded $(basename $@).obj $@ |
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61 | $(OBJCOPY) -O binary $(basename $@).obj $(basename $@).bin |
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62 | $(BIN2BOOT) -v $(basename $@).bt $(HEADERADDR)\ |
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63 | $(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0 |
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64 | $(NM) -g -n $(basename $@).obj > $(basename $@).num |
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65 | $(SIZE) $(basename $@).obj |
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66 | # test -d ${PROJECT_RELEASE}/BootImgs \ |
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67 | # || mkdir ${PROJECT_RELEASE}/BootImgs |
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68 | # cp $(basename $@).bt \ |
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69 | # ${PROJECT_RELEASE}/BootImgs/$(basename $@)$(LIB_VARIANT).bt |
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70 | # chmod 755 \ |
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71 | # ${PROJECT_RELEASE}/BootImgs/$(basename $@)$(LIB_VARIANT).bt |
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72 | endef |
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73 | else |
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74 | define make-exe |
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75 | $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -Wl,-Ttext,$(RELOCADDR) \ |
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76 | -o $(basename $@).obj \ |
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77 | $(LINK_OBJS) $(LINK_LIBS) |
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78 | $(OBJCOPY) -O elf32-i386 \ |
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79 | --remove-section=.rodata \ |
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80 | --remove-section=.comment \ |
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81 | --remove-section=.note \ |
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82 | --strip-unneeded $(basename $@).obj $@ |
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83 | $(OBJCOPY) -O binary $(basename $@).obj $(basename $@).bin |
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84 | $(PROJECT_TOOLS)/bin2boot -v $(basename $@).bt $(HEADERADDR)\ |
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85 | $(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0 |
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86 | $(NM) -g -n $(basename $@).obj > $(basename $@).num |
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87 | $(SIZE) $(basename $@).obj |
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88 | # test -d ${PROJECT_RELEASE}/BootImgs \ |
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89 | # || mkdir ${PROJECT_RELEASE}/BootImgs |
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90 | # f=`basename $@ .exe`; \ |
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91 | # cp $(basename $@).bt \ |
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92 | # ${PROJECT_RELEASE}/BootImgs/$${f}$(LIB_VARIANT).bt \ |
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93 | # && chmod 755 \ |
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94 | # ${PROJECT_RELEASE}/BootImgs/$${f}$(LIB_VARIANT).bt |
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95 | # $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -Wl,-Ttext,$(RELOCADDR) \ |
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96 | # -o $@ $(LINK_OBJS) $(LINK_LIBS) |
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97 | endef |
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98 | define make-cxx-exe |
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99 | $(LINK.cc) $(AM_CFLAGS) $(AM_CXXFLAGS) $(AM_LDFLAGS) \ |
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100 | -Wl,-Ttext,$(RELOCADDR) -o $(basename $@).obj \ |
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101 | $(LINK_OBJS) $(LINK_LIBS) |
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102 | $(OBJCOPY) -O elf32-i386 \ |
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103 | --remove-section=.rodata \ |
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104 | --remove-section=.comment \ |
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105 | --remove-section=.note \ |
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106 | --strip-unneeded $(basename $@).obj $@ |
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107 | $(OBJCOPY) -O binary $(basename $@).obj $(basename $@).bin |
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108 | $(PROJECT_TOOLS)/bin2boot -v $(basename $@).bt $(HEADERADDR)\ |
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109 | $(START16FILE) $(START16ADDR) 0 $(basename $@).bin $(RELOCADDR) 0 |
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110 | $(NM) -g -n $(basename $@).obj > $(basename $@).num |
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111 | $(SIZE) $(basename $@).obj |
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112 | endef |
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113 | endif |
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114 | |
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115 | # Miscellaneous additions go here |
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116 | |
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117 | # BSP-specific tools |
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118 | BIN2BOOT=$(PROJECT_TOOLS)/bin2boot |
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