[8e42d3b] | 1 | # |
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| 2 | # Config file for MPC8260 based Motorola ADS 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=mpc8260 |
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| 11 | CPU_TYPE=8260 |
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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=mpc8260ads |
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| 15 | |
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| 16 | #CPU_DEFINES=-DPPC_VECTOR_FILE_BASE=0x00000000 |
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| 17 | CPU_DEFINES= |
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| 18 | |
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| 19 | # This section makes the target dependent options file. |
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| 20 | |
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| 21 | # PPC_VECTOR_FILE_BASE (PowerPC) |
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| 22 | # This defines the base address of the exception table. |
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| 23 | # NOTE: Vectors are actually at 0xFFF00000 but file starts at offset 0x0100 |
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| 24 | # |
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| 25 | # PPC_ABI (PowerPC) |
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| 26 | # This defines the calling convention (Application Binary Interface) |
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| 27 | # used in this configuration. EABI is the only one supported. |
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| 28 | # This BSP was initially developed using the PowerOpen ABI. |
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| 29 | # |
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| 30 | # PPC_ASM (PowerPC) |
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| 31 | # This defines the assembly language format used in this configuration. |
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| 32 | # ELF is the only one supported. |
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| 33 | # |
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| 34 | # PPC_USE_SPRG (RTEMS PowerPC port) |
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| 35 | # If defined (=1), then the PowerPC specific code in RTEMS will use some |
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| 36 | # of the special purpose registers to slightly optimize interrupt |
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| 37 | # response time. The use of these registers can conflict with |
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| 38 | # other tools like debuggers. |
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| 39 | |
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| 40 | define make-target-options |
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| 41 | @echo "#ifdef mpc$(CPU_TYPE)" >>$@ |
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| 42 | @echo "#undef mpc$(CPU_TYPE)" >>$@ |
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| 43 | @echo "#endif" >>$@ |
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| 44 | @echo "#define mpc$(CPU_TYPE) 1" >>$@ |
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| 45 | @echo >>$@ |
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| 46 | @echo "#define NVRAM_CONFIGURE 0" >>$@ |
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| 47 | @echo "#define UARTS_USE_TERMIOS 0" >>$@ |
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| 48 | @echo "#define CONSOLE_MINOR SCC2_MINOR" >>$@ |
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| 49 | @echo "#define UARTS_IO_MODE 0" >>$@ |
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| 50 | @echo "#define PRINTK_MINOR SCC2_MINOR" >>$@ |
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| 51 | @echo "#define PRINTK_IO_MODE 0" >>$@ |
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| 52 | @echo >>$@ |
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| 53 | @echo "#define PPC_VECTOR_FILE_BASE 0x0000" >>$@ |
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| 54 | @echo "#define PPC_ABI PPC_ABI_EABI" >>$@ |
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| 55 | @echo "#define PPC_ASM PPC_ASM_ELF" >>$@ |
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| 56 | @echo "#define INSTRUCTION_CACHE_ENABLE 0" >>$@ |
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| 57 | @echo "#define DATA_CACHE_ENABLE 0" >>$@ |
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| 58 | @echo "#define PPC_USE_SPRG 1" >>$@ |
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| 59 | endef |
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| 60 | |
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| 61 | # This section makes the target dependent options file. |
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| 62 | |
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| 63 | # NDEBUG (C library) |
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| 64 | # if defined asserts do not generate code. This is commonly used |
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| 65 | # as a command line option. |
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| 66 | # |
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| 67 | # RTEMS_TEST_NO_PAUSE (RTEMS tests) |
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| 68 | # do not pause between screens of output in the rtems tests |
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| 69 | # |
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| 70 | # RTEMS_DEBUG (RTEMS) |
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| 71 | # If defined, debug checks in RTEMS and support library code are enabled. |
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| 72 | |
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| 73 | #define make-target-options |
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| 74 | # @echo "/* #define NDEBUG 1 */ " >>$@ |
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| 75 | # @echo "#define RTEMS_TEST_NO_PAUSE 1" >>$@ |
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| 76 | # @echo "/* #define RTEMS_DEBUG 1 */" >>$@ |
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| 77 | #endef |
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| 78 | |
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| 79 | # This contains the compiler options necessary to select the CPU model |
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| 80 | # and (hopefully) optimize for it. |
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| 81 | # |
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| 82 | CPU_CFLAGS = -mcpu=$(CPU_TYPE) -mstrict-align |
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| 83 | |
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| 84 | # optimize flag: typically -0, could use -O4 or -fast |
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| 85 | # -O4 is ok for RTEMS |
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| 86 | # NOTE: some level of -O may be actually required by inline assembler |
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| 87 | CFLAGS_OPTIMIZE_V=-O4 -fno-keep-inline-functions |
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| 88 | |
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| 89 | # The following are definitions of make-exe which will work using ld as |
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| 90 | # is currently required. It is expected that as of gcc 2.8, the end user |
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| 91 | # will be able to override parts of the compilers specs and link using gcc. |
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| 92 | |
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| 93 | ifeq ($(RTEMS_USE_GCC272),yes) |
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| 94 | # The --defsym arguments define arguments which are required by the linkcmds |
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| 95 | # file which is designed for gcc 2.8 |
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| 96 | define make-exe |
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| 97 | $(LD) $(XLDFLAGS) -T $(LINKCMDS) \ |
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| 98 | --defsym __fini=0 --defsym __init=0 \ |
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| 99 | -o $@ -u atexit -u __vectors -u download_entry \ |
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| 100 | $(START_FILE) $(LINK_OBJS) --start-group $(LINK_LIBS) --end-group |
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| 101 | $(NM) -g -n $@ > $(basename $@).num |
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| 102 | $(SIZE) $@ |
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| 103 | endef |
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| 104 | else |
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| 105 | define make-exe |
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| 106 | $(LINK.c) $(AM_CFLAGS) $(AM_LDFLAGS) -o $(basename $@).exe \ |
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| 107 | $(LINK_OBJS) $(LINK_LIBS) |
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| 108 | $(NM) -g -n $@ > $(basename $@).num |
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| 109 | $(SIZE) $@ |
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| 110 | endef |
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| 111 | endif |
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| 112 | |
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| 113 | # Miscellaneous additions go here |
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| 114 | |
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| 115 | |
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